about summary refs log tree commit diff stats
path: root/html
diff options
context:
space:
mode:
authorKartik Agaram <vc@akkartik.com>2021-05-31 10:47:05 -0700
committerKartik Agaram <vc@akkartik.com>2021-05-31 10:47:05 -0700
commit82171a0fdfa28251cbc360dcf205392fee2c7eeb (patch)
treeacd7a83caa802ec1a24fc02570669f6228678375 /html
parente3c74453309a685594b93f344cba9cb59b7ac456 (diff)
downloadmu-82171a0fdfa28251cbc360dcf205392fee2c7eeb.tar.gz
.
Diffstat (limited to 'html')
-rw-r--r--html/101screen.subx.html2
-rw-r--r--html/103grapheme.subx.html2
-rw-r--r--html/108write.subx.html266
-rw-r--r--html/113write-stream.subx.html2
-rw-r--r--html/120allocate.subx.html46
-rw-r--r--html/123slice.subx.html2
-rw-r--r--html/309stream.subx.html4
-rw-r--r--html/313index-bounds-check.subx.html24
-rw-r--r--html/315stack-debug.subx.html16
-rw-r--r--html/317abort.subx.html30
-rw-r--r--html/318counter.subx.html92
-rw-r--r--html/400.mu.html141
-rw-r--r--html/500fake-screen.mu.html875
-rw-r--r--html/501draw-text.mu.html701
-rw-r--r--html/502test.mu.html12
-rw-r--r--html/504test-screen.mu.html164
-rw-r--r--html/507line.mu.html6
-rw-r--r--html/508circle.mu.html8
-rw-r--r--html/509bezier.mu.html2
-rw-r--r--html/boot.subx.html1262
-rw-r--r--html/colors.mu.html14
-rw-r--r--html/ex10.mu.html8
-rw-r--r--html/ex11.mu.html2
-rw-r--r--html/ex2.mu.html2
-rw-r--r--html/ex6.mu.html18
-rw-r--r--html/ex7.mu.html4
-rw-r--r--html/ex9.mu.html4
-rw-r--r--html/hest-life.mu.html40
-rw-r--r--html/mandelbrot-fixed.mu.html2
-rw-r--r--html/mandelbrot.mu.html2
-rw-r--r--html/mu-init.subx.html4
-rw-r--r--html/rpn.mu.html4
-rw-r--r--html/shell/cell.mu.html2
-rw-r--r--html/shell/evaluate.mu.html3381
-rw-r--r--html/shell/gap-buffer.mu.html2
-rw-r--r--html/shell/global.mu.html322
-rw-r--r--html/shell/grapheme-stack.mu.html6
-rw-r--r--html/shell/macroexpand.mu.html867
-rw-r--r--html/shell/main.mu.html217
-rw-r--r--html/shell/parse.mu.html517
-rw-r--r--html/shell/print.mu.html990
-rw-r--r--html/shell/read.mu.html32
-rw-r--r--html/shell/sandbox.mu.html1978
-rw-r--r--html/shell/tokenize.mu.html1863
-rw-r--r--html/shell/trace.mu.html3692
45 files changed, 9504 insertions, 8126 deletions
diff --git a/html/101screen.subx.html b/html/101screen.subx.html
index 4ce0397a..27e5514b 100644
--- a/html/101screen.subx.html
+++ b/html/101screen.subx.html
@@ -85,7 +85,7 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr">28 </span>    c1/shift 4/subop/left %eax 0xa/imm8
 <span id="L29" class="LineNr">29 </span>    03/add-&gt; *(ebp+8) 0/r32/eax
 <span id="L30" class="LineNr">30 </span>    <span class="subxComment"># eax += location of frame buffer</span>
-<span id="L31" class="LineNr">31 </span>    03/add-&gt; *<span class="SpecialChar"><a href='boot.subx.html#L622'>Video-memory-addr</a></span> 0/r32/eax
+<span id="L31" class="LineNr">31 </span>    03/add-&gt; *<span class="SpecialChar"><a href='boot.subx.html#L636'>Video-memory-addr</a></span> 0/r32/eax
 <span id="L32" class="LineNr">32 </span>    <span class="subxComment"># *eax = color</span>
 <span id="L33" class="LineNr">33 </span>    8b/-&gt; *(ebp+0x10) 1/r32/ecx
 <span id="L34" class="LineNr">34 </span>    88/byte&lt;- *eax 1/r32/CL
diff --git a/html/103grapheme.subx.html b/html/103grapheme.subx.html
index fdbf0e99..42c4f598 100644
--- a/html/103grapheme.subx.html
+++ b/html/103grapheme.subx.html
@@ -84,7 +84,7 @@ if ('onhashchange' in window) {
 <span id="L27" class="LineNr"> 27 </span>    <span class="subxComment"># var letter-bitmap/esi = font[g]</span>
 <span id="L28" class="LineNr"> 28 </span>    8b/-&gt; *(ebp+8) 6/r32/esi
 <span id="L29" class="LineNr"> 29 </span>    c1 4/subop/shift-left %esi 4/imm8
-<span id="L30" class="LineNr"> 30 </span>    81 0/subop/add %esi <span class="SpecialChar"><a href='boot.subx.html#L643'>Font</a></span>/imm32
+<span id="L30" class="LineNr"> 30 </span>    81 0/subop/add %esi <span class="SpecialChar"><a href='boot.subx.html#L657'>Font</a></span>/imm32
 <span id="L31" class="LineNr"> 31 </span>    <span class="subxComment"># if (letter-bitmap &gt;= 0x9400) return  # characters beyond ASCII currently not supported</span>
 <span id="L32" class="LineNr"> 32 </span>    81 7/subop/compare %esi 0x9400/imm32
 <span id="L33" class="LineNr"> 33 </span>    7d/jump-if-&gt;= $draw-grapheme-on-real-screen:end/disp8
diff --git a/html/108write.subx.html b/html/108write.subx.html
index 7f5a6178..763f35bf 100644
--- a/html/108write.subx.html
+++ b/html/108write.subx.html
@@ -96,7 +96,7 @@ if ('onhashchange' in window) {
 <span id="L36" class="LineNr"> 36 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    1/base/ecx  2/index/edx  <span class="Normal"> . </span>          3/r32/ebx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy ecx+edx+12 to ebx</span>
 <span id="L37" class="LineNr"> 37 </span>    53/push-ebx
 <span id="L38" class="LineNr"> 38 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L39" class="LineNr"> 39 </span>    e8/call  <a href='108write.subx.html#L139'>_append-3</a>/disp32
+<span id="L39" class="LineNr"> 39 </span>    e8/call  <a href='108write.subx.html#L212'>_append-3</a>/disp32
 <span id="L40" class="LineNr"> 40 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L41" class="LineNr"> 41 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
 <span id="L42" class="LineNr"> 42 </span>    <span class="subxComment"># f-&gt;write += eax</span>
@@ -195,95 +195,181 @@ if ('onhashchange' in window) {
 <span id="L135" class="LineNr">135 </span>
 <span id="L136" class="LineNr">136 </span>== code
 <span id="L137" class="LineNr">137 </span>
-<span id="L138" class="LineNr">138 </span><span class="subxComment"># 3-argument variant of _append</span>
-<span id="L139" class="LineNr">139 </span><span class="subxMinorFunction">_append-3</span>:  <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -&gt; num_bytes_appended/eax</span>
-<span id="L140" class="LineNr">140 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L141" class="LineNr">141 </span>    55/push-ebp
-<span id="L142" class="LineNr">142 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L143" class="LineNr">143 </span>    <span class="subxS1Comment"># . save registers</span>
-<span id="L144" class="LineNr">144 </span>    51/push-ecx
-<span id="L145" class="LineNr">145 </span>    <span class="subxComment"># eax = _append-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;size])</span>
-<span id="L146" class="LineNr">146 </span>    <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;size]</span>
-<span id="L147" class="LineNr">147 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        0/r32/eax   0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+16) to eax</span>
-<span id="L148" class="LineNr">148 </span>    8b/copy                         0/mod/indirect  0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *eax to ecx</span>
-<span id="L149" class="LineNr">149 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    0/base/eax  1/index/ecx  <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax+ecx+4 to ecx</span>
-<span id="L150" class="LineNr">150 </span>    51/push-ecx
-<span id="L151" class="LineNr">151 </span>    <span class="subxS2Comment"># . . push &amp;s-&gt;data[0]</span>
-<span id="L152" class="LineNr">152 </span>    8d/copy-address                 1/mod/*+disp8   0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax+4 to ecx</span>
-<span id="L153" class="LineNr">153 </span>    51/push-ecx
-<span id="L154" class="LineNr">154 </span>    <span class="subxS2Comment"># . . push outend</span>
-<span id="L155" class="LineNr">155 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
-<span id="L156" class="LineNr">156 </span>    <span class="subxS2Comment"># . . push out</span>
-<span id="L157" class="LineNr">157 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
-<span id="L158" class="LineNr">158 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L159" class="LineNr">159 </span>    e8/call  <a href='108write.subx.html#L171'>_append-4</a>/disp32
-<span id="L160" class="LineNr">160 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L161" class="LineNr">161 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
-<span id="L162" class="LineNr">162 </span><span class="Constant">$_append-3:end</span>:
-<span id="L163" class="LineNr">163 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L164" class="LineNr">164 </span>    59/pop-to-ecx
-<span id="L165" class="LineNr">165 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L166" class="LineNr">166 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L167" class="LineNr">167 </span>    5d/pop-to-ebp
-<span id="L168" class="LineNr">168 </span>    c3/return
-<span id="L169" class="LineNr">169 </span>
-<span id="L170" class="LineNr">170 </span><span class="subxComment"># 4-argument variant of _append</span>
-<span id="L171" class="LineNr">171 </span><span class="subxMinorFunction">_append-4</span>:  <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -&gt; num_bytes_appended/eax: int</span>
-<span id="L172" class="LineNr">172 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L173" class="LineNr">173 </span>    55/push-ebp
-<span id="L174" class="LineNr">174 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L175" class="LineNr">175 </span>    <span class="subxS1Comment"># . save registers</span>
-<span id="L176" class="LineNr">176 </span>    51/push-ecx
-<span id="L177" class="LineNr">177 </span>    52/push-edx
-<span id="L178" class="LineNr">178 </span>    53/push-ebx
-<span id="L179" class="LineNr">179 </span>    56/push-esi
-<span id="L180" class="LineNr">180 </span>    57/push-edi
-<span id="L181" class="LineNr">181 </span>    <span class="subxComment"># num_bytes_appended = 0</span>
-<span id="L182" class="LineNr">182 </span>    b8/copy-to-eax  0/imm32
-<span id="L183" class="LineNr">183 </span>    <span class="subxComment"># edi = out</span>
-<span id="L184" class="LineNr">184 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to edi</span>
-<span id="L185" class="LineNr">185 </span>    <span class="subxComment"># edx = outend</span>
-<span id="L186" class="LineNr">186 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edx</span>
-<span id="L187" class="LineNr">187 </span>    <span class="subxComment"># esi = in</span>
-<span id="L188" class="LineNr">188 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+16) to esi</span>
-<span id="L189" class="LineNr">189 </span>    <span class="subxComment"># ecx = inend</span>
-<span id="L190" class="LineNr">190 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+20) to ecx</span>
-<span id="L191" class="LineNr">191 </span><span class="Constant">$_append-4:loop</span>:
-<span id="L192" class="LineNr">192 </span>    <span class="subxComment"># if (in &gt;= inend) break</span>
-<span id="L193" class="LineNr">193 </span>    39/compare                      3/mod/direct    6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare esi with ecx</span>
-<span id="L194" class="LineNr">194 </span>    73/jump-if-addr&gt;=  $_append-4:end/disp8
-<span id="L195" class="LineNr">195 </span>    <span class="subxComment"># if (out &gt;= outend) abort  # just to catch test failures fast</span>
-<span id="L196" class="LineNr">196 </span>    39/compare                      3/mod/direct    7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare edi with edx</span>
-<span id="L197" class="LineNr">197 </span>    0f 83/jump-if-addr&gt;=  $_append-4:<a href='317abort.subx.html#L5'>abort</a>/disp32
-<span id="L198" class="LineNr">198 </span>    <span class="subxComment"># *out = *in</span>
-<span id="L199" class="LineNr">199 </span>    8a/copy-byte                    0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/BL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *esi to BL</span>
-<span id="L200" class="LineNr">200 </span>    88/copy-byte                    0/mod/indirect  7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/BL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at BL to *edi</span>
-<span id="L201" class="LineNr">201 </span>    <span class="subxComment"># ++num_bytes_appended</span>
-<span id="L202" class="LineNr">202 </span>    40/increment-eax
-<span id="L203" class="LineNr">203 </span>    <span class="subxComment"># ++in</span>
-<span id="L204" class="LineNr">204 </span>    46/increment-esi
-<span id="L205" class="LineNr">205 </span>    <span class="subxComment"># ++out</span>
-<span id="L206" class="LineNr">206 </span>    47/increment-edi
-<span id="L207" class="LineNr">207 </span>    eb/jump  $_append-4:<span class="Constant">loop</span>/disp8
-<span id="L208" class="LineNr">208 </span><span class="Constant">$_append-4:end</span>:
-<span id="L209" class="LineNr">209 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L210" class="LineNr">210 </span>    5f/pop-to-edi
-<span id="L211" class="LineNr">211 </span>    5e/pop-to-esi
-<span id="L212" class="LineNr">212 </span>    5b/pop-to-ebx
-<span id="L213" class="LineNr">213 </span>    5a/pop-to-edx
-<span id="L214" class="LineNr">214 </span>    59/pop-to-ecx
-<span id="L215" class="LineNr">215 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L216" class="LineNr">216 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L217" class="LineNr">217 </span>    5d/pop-to-ebp
-<span id="L218" class="LineNr">218 </span>    c3/return
-<span id="L219" class="LineNr">219 </span>
-<span id="L220" class="LineNr">220 </span><span class="Constant">$_append-4:<a href='317abort.subx.html#L5'>abort</a></span>:
-<span id="L221" class="LineNr">221 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;_append-4: stream full at &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L222" class="LineNr">222 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0)
-<span id="L223" class="LineNr">223 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;&quot;</span>)
-<span id="L224" class="LineNr">224 </span>    <span class="subxComment"># never gets here</span>
-<span id="L225" class="LineNr">225 </span>
-<span id="L226" class="LineNr">226 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
+<span id="L138" class="LineNr">138 </span><span class="subxFunction">try-write</span>:  <span class="subxComment"># f: (addr stream byte), s: (addr array byte) -&gt; overflow?/eax: boolean</span>
+<span id="L139" class="LineNr">139 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L140" class="LineNr">140 </span>    55/push-ebp
+<span id="L141" class="LineNr">141 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L142" class="LineNr">142 </span>    <span class="subxComment"># if (s == 0) return</span>
+<span id="L143" class="LineNr">143 </span>    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8       0/imm32           <span class="subxComment"># compare *(ebp+12)</span>
+<span id="L144" class="LineNr">144 </span>    74/jump-if-=  $write:end/disp8
+<span id="L145" class="LineNr">145 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L146" class="LineNr">146 </span>    51/push-ecx
+<span id="L147" class="LineNr">147 </span>    <span class="subxComment"># if (f-&gt;size - f-&gt;write &lt; s-&gt;size) return</span>
+<span id="L148" class="LineNr">148 </span>    <span class="subxS1Comment"># . eax = f-&gt;size - f-&gt;write - s-&gt;size</span>
+<span id="L149" class="LineNr">149 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        1/r32/ecx   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to ecx</span>
+<span id="L150" class="LineNr">150 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+8) to eax</span>
+<span id="L151" class="LineNr">151 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L152" class="LineNr">152 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        1/r32/ecx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to ecx</span>
+<span id="L153" class="LineNr">153 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L154" class="LineNr">154 </span>    <span class="subxS1Comment"># . if (eax &lt; 0) return</span>
+<span id="L155" class="LineNr">155 </span>    3d/compare-eax-and  0/imm32
+<span id="L156" class="LineNr">156 </span>    7c/jump-if-&lt;  $try-write:end/disp8
+<span id="L157" class="LineNr">157 </span>    <span class="subxComment"># write(f, s)</span>
+<span id="L158" class="LineNr">158 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L159" class="LineNr">159 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
+<span id="L160" class="LineNr">160 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L161" class="LineNr">161 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L162" class="LineNr">162 </span>    e8/call  <a href='108write.subx.html#L11'>write</a>/disp32
+<span id="L163" class="LineNr">163 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L164" class="LineNr">164 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L165" class="LineNr">165 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L166" class="LineNr">166 </span>    59/pop-to-ecx
+<span id="L167" class="LineNr">167 </span>    <span class="subxComment"># return 0</span>
+<span id="L168" class="LineNr">168 </span>    b8/copy-to-eax  0/imm32
+<span id="L169" class="LineNr">169 </span><span class="Constant">$try-write:end</span>:
+<span id="L170" class="LineNr">170 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L171" class="LineNr">171 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L172" class="LineNr">172 </span>    5d/pop-to-ebp
+<span id="L173" class="LineNr">173 </span>    c3/return
+<span id="L174" class="LineNr">174 </span>
+<span id="L175" class="LineNr">175 </span><span class="subxComment"># probably a bad idea</span>
+<span id="L176" class="LineNr">176 </span><span class="subxFunction">space-remaining-in-stream</span>:  <span class="subxComment"># f: (addr stream byte) -&gt; n/eax: int</span>
+<span id="L177" class="LineNr">177 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L178" class="LineNr">178 </span>    55/push-ebp
+<span id="L179" class="LineNr">179 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L180" class="LineNr">180 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L181" class="LineNr">181 </span>    51/push-ecx
+<span id="L182" class="LineNr">182 </span>    <span class="subxComment"># return f-&gt;size - f-&gt;write</span>
+<span id="L183" class="LineNr">183 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        1/r32/ecx   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to ecx</span>
+<span id="L184" class="LineNr">184 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+8) to eax</span>
+<span id="L185" class="LineNr">185 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L186" class="LineNr">186 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L187" class="LineNr">187 </span>    59/pop-to-ecx
+<span id="L188" class="LineNr">188 </span><span class="Constant">$space-remaining-in-stream:end</span>:
+<span id="L189" class="LineNr">189 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L190" class="LineNr">190 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L191" class="LineNr">191 </span>    5d/pop-to-ebp
+<span id="L192" class="LineNr">192 </span>    c3/return
+<span id="L193" class="LineNr">193 </span>
+<span id="L194" class="LineNr">194 </span><span class="subxFunction">stream-size</span>:  <span class="subxComment"># f: (addr stream byte) -&gt; n/eax: int</span>
+<span id="L195" class="LineNr">195 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L196" class="LineNr">196 </span>    55/push-ebp
+<span id="L197" class="LineNr">197 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L198" class="LineNr">198 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L199" class="LineNr">199 </span>    51/push-ecx
+<span id="L200" class="LineNr">200 </span>    <span class="subxComment"># return f-&gt;write</span>
+<span id="L201" class="LineNr">201 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        1/r32/ecx   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to ecx</span>
+<span id="L202" class="LineNr">202 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
+<span id="L203" class="LineNr">203 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L204" class="LineNr">204 </span>    59/pop-to-ecx
+<span id="L205" class="LineNr">205 </span><span class="Constant">$space-remaining-in-stream:end</span>:
+<span id="L206" class="LineNr">206 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L207" class="LineNr">207 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L208" class="LineNr">208 </span>    5d/pop-to-ebp
+<span id="L209" class="LineNr">209 </span>    c3/return
+<span id="L210" class="LineNr">210 </span>
+<span id="L211" class="LineNr">211 </span><span class="subxComment"># 3-argument variant of _append</span>
+<span id="L212" class="LineNr">212 </span><span class="subxMinorFunction">_append-3</span>:  <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -&gt; num_bytes_appended/eax</span>
+<span id="L213" class="LineNr">213 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L214" class="LineNr">214 </span>    55/push-ebp
+<span id="L215" class="LineNr">215 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L216" class="LineNr">216 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L217" class="LineNr">217 </span>    51/push-ecx
+<span id="L218" class="LineNr">218 </span>    <span class="subxComment"># if (outend - out &lt; s-&gt;size) abort</span>
+<span id="L219" class="LineNr">219 </span>    <span class="subxS1Comment"># . eax = f-&gt;size - f-&gt;write - s-&gt;size</span>
+<span id="L220" class="LineNr">220 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to eax</span>
+<span id="L221" class="LineNr">221 </span>    2b/subtract                     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># subtract *(ebp+8) from eax</span>
+<span id="L222" class="LineNr">222 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        1/r32/ecx   0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+16) to ecx</span>
+<span id="L223" class="LineNr">223 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L224" class="LineNr">224 </span>    <span class="subxS1Comment"># . if (eax &lt; 0) abort</span>
+<span id="L225" class="LineNr">225 </span>    3d/compare-eax-and  0/imm32
+<span id="L226" class="LineNr">226 </span>    7c/jump-if-&lt;  $_append-3:<a href='317abort.subx.html#L5'>abort</a>/disp8
+<span id="L227" class="LineNr">227 </span>    <span class="subxComment"># eax = _append-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;size])</span>
+<span id="L228" class="LineNr">228 </span>    <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;size]</span>
+<span id="L229" class="LineNr">229 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>                        0/r32/eax   0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+16) to eax</span>
+<span id="L230" class="LineNr">230 </span>    8b/copy                         0/mod/indirect  0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *eax to ecx</span>
+<span id="L231" class="LineNr">231 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    0/base/eax  1/index/ecx  <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax+ecx+4 to ecx</span>
+<span id="L232" class="LineNr">232 </span>    51/push-ecx
+<span id="L233" class="LineNr">233 </span>    <span class="subxS2Comment"># . . push &amp;s-&gt;data[0]</span>
+<span id="L234" class="LineNr">234 </span>    8d/copy-address                 1/mod/*+disp8   0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax+4 to ecx</span>
+<span id="L235" class="LineNr">235 </span>    51/push-ecx
+<span id="L236" class="LineNr">236 </span>    <span class="subxS2Comment"># . . push outend</span>
+<span id="L237" class="LineNr">237 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
+<span id="L238" class="LineNr">238 </span>    <span class="subxS2Comment"># . . push out</span>
+<span id="L239" class="LineNr">239 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L240" class="LineNr">240 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L241" class="LineNr">241 </span>    e8/call  <a href='108write.subx.html#L257'>_append-4</a>/disp32
+<span id="L242" class="LineNr">242 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L243" class="LineNr">243 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
+<span id="L244" class="LineNr">244 </span><span class="Constant">$_append-3:end</span>:
+<span id="L245" class="LineNr">245 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L246" class="LineNr">246 </span>    59/pop-to-ecx
+<span id="L247" class="LineNr">247 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L248" class="LineNr">248 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L249" class="LineNr">249 </span>    5d/pop-to-ebp
+<span id="L250" class="LineNr">250 </span>    c3/return
+<span id="L251" class="LineNr">251 </span>
+<span id="L252" class="LineNr">252 </span><span class="Constant">$_append-3:<a href='317abort.subx.html#L5'>abort</a></span>:
+<span id="L253" class="LineNr">253 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;_append-3 about to overflow&quot;</span>)  <span class="subxComment"># 3=cyan</span>
+<span id="L254" class="LineNr">254 </span>    <span class="subxComment"># never gets here</span>
+<span id="L255" class="LineNr">255 </span>
+<span id="L256" class="LineNr">256 </span><span class="subxComment"># 4-argument variant of _append</span>
+<span id="L257" class="LineNr">257 </span><span class="subxMinorFunction">_append-4</span>:  <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -&gt; num_bytes_appended/eax: int</span>
+<span id="L258" class="LineNr">258 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L259" class="LineNr">259 </span>    55/push-ebp
+<span id="L260" class="LineNr">260 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L261" class="LineNr">261 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L262" class="LineNr">262 </span>    51/push-ecx
+<span id="L263" class="LineNr">263 </span>    52/push-edx
+<span id="L264" class="LineNr">264 </span>    53/push-ebx
+<span id="L265" class="LineNr">265 </span>    56/push-esi
+<span id="L266" class="LineNr">266 </span>    57/push-edi
+<span id="L267" class="LineNr">267 </span>    <span class="subxComment"># num_bytes_appended = 0</span>
+<span id="L268" class="LineNr">268 </span>    b8/copy-to-eax  0/imm32
+<span id="L269" class="LineNr">269 </span>    <span class="subxComment"># edi = out</span>
+<span id="L270" class="LineNr">270 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to edi</span>
+<span id="L271" class="LineNr">271 </span>    <span class="subxComment"># edx = outend</span>
+<span id="L272" class="LineNr">272 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edx</span>
+<span id="L273" class="LineNr">273 </span>    <span class="subxComment"># esi = in</span>
+<span id="L274" class="LineNr">274 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+16) to esi</span>
+<span id="L275" class="LineNr">275 </span>    <span class="subxComment"># ecx = inend</span>
+<span id="L276" class="LineNr">276 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+20) to ecx</span>
+<span id="L277" class="LineNr">277 </span><span class="Constant">$_append-4:loop</span>:
+<span id="L278" class="LineNr">278 </span>    <span class="subxComment"># if (in &gt;= inend) break</span>
+<span id="L279" class="LineNr">279 </span>    39/compare                      3/mod/direct    6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare esi with ecx</span>
+<span id="L280" class="LineNr">280 </span>    73/jump-if-addr&gt;=  $_append-4:end/disp8
+<span id="L281" class="LineNr">281 </span>    <span class="subxComment"># if (out &gt;= outend) abort  # just to catch test failures fast</span>
+<span id="L282" class="LineNr">282 </span>    39/compare                      3/mod/direct    7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare edi with edx</span>
+<span id="L283" class="LineNr">283 </span>    0f 83/jump-if-addr&gt;=  $_append-4:<a href='317abort.subx.html#L5'>abort</a>/disp32
+<span id="L284" class="LineNr">284 </span>    <span class="subxComment"># *out = *in</span>
+<span id="L285" class="LineNr">285 </span>    8a/copy-byte                    0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/BL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *esi to BL</span>
+<span id="L286" class="LineNr">286 </span>    88/copy-byte                    0/mod/indirect  7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/BL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at BL to *edi</span>
+<span id="L287" class="LineNr">287 </span>    <span class="subxComment"># ++num_bytes_appended</span>
+<span id="L288" class="LineNr">288 </span>    40/increment-eax
+<span id="L289" class="LineNr">289 </span>    <span class="subxComment"># ++in</span>
+<span id="L290" class="LineNr">290 </span>    46/increment-esi
+<span id="L291" class="LineNr">291 </span>    <span class="subxComment"># ++out</span>
+<span id="L292" class="LineNr">292 </span>    47/increment-edi
+<span id="L293" class="LineNr">293 </span>    eb/jump  $_append-4:<span class="Constant">loop</span>/disp8
+<span id="L294" class="LineNr">294 </span><span class="Constant">$_append-4:end</span>:
+<span id="L295" class="LineNr">295 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L296" class="LineNr">296 </span>    5f/pop-to-edi
+<span id="L297" class="LineNr">297 </span>    5e/pop-to-esi
+<span id="L298" class="LineNr">298 </span>    5b/pop-to-ebx
+<span id="L299" class="LineNr">299 </span>    5a/pop-to-edx
+<span id="L300" class="LineNr">300 </span>    59/pop-to-ecx
+<span id="L301" class="LineNr">301 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L302" class="LineNr">302 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L303" class="LineNr">303 </span>    5d/pop-to-ebp
+<span id="L304" class="LineNr">304 </span>    c3/return
+<span id="L305" class="LineNr">305 </span>
+<span id="L306" class="LineNr">306 </span><span class="Constant">$_append-4:<a href='317abort.subx.html#L5'>abort</a></span>:
+<span id="L307" class="LineNr">307 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;_append-4: stream full at &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L308" class="LineNr">308 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0)
+<span id="L309" class="LineNr">309 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;&quot;</span>)
+<span id="L310" class="LineNr">310 </span>    <span class="subxComment"># never gets here</span>
+<span id="L311" class="LineNr">311 </span>
+<span id="L312" class="LineNr">312 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
 </pre>
 </body>
 </html>
diff --git a/html/113write-stream.subx.html b/html/113write-stream.subx.html
index 0a221564..86372daf 100644
--- a/html/113write-stream.subx.html
+++ b/html/113write-stream.subx.html
@@ -95,7 +95,7 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr"> 35 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    7/base/edi  0/index/eax  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy edi+eax+12 to eax</span>
 <span id="L36" class="LineNr"> 36 </span>    50/push-eax
 <span id="L37" class="LineNr"> 37 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L38" class="LineNr"> 38 </span>    e8/call  <a href='108write.subx.html#L171'>_append-4</a>/disp32
+<span id="L38" class="LineNr"> 38 </span>    e8/call  <a href='108write.subx.html#L257'>_append-4</a>/disp32
 <span id="L39" class="LineNr"> 39 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L40" class="LineNr"> 40 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
 <span id="L41" class="LineNr"> 41 </span>    <span class="subxComment"># f-&gt;write += eax</span>
diff --git a/html/120allocate.subx.html b/html/120allocate.subx.html
index e5b5d820..023ba795 100644
--- a/html/120allocate.subx.html
+++ b/html/120allocate.subx.html
@@ -310,36 +310,36 @@ if ('onhashchange' in window) {
 <span id="L249" class="LineNr">249 </span>    c3/return
 <span id="L250" class="LineNr">250 </span>
 <span id="L251" class="LineNr">251 </span><span class="Constant">$lookup:<a href='317abort.subx.html#L5'>abort</a></span>:
-<span id="L252" class="LineNr">252 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;lookup failed: (&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L253" class="LineNr">253 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) 3 0)
-<span id="L254" class="LineNr">254 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;, &quot;</span> 3 0)
-<span id="L255" class="LineNr">255 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0xc) 3 0)
-<span id="L256" class="LineNr">256 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;) -&gt; &quot;</span> 3 0)
-<span id="L257" class="LineNr">257 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L258" class="LineNr">258 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;. Contents of a few words starting from address 0: &quot;</span> 3 0)
+<span id="L252" class="LineNr">252 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;lookup failed: (&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L253" class="LineNr">253 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) 3 0)
+<span id="L254" class="LineNr">254 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;, &quot;</span> 3 0)
+<span id="L255" class="LineNr">255 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0xc) 3 0)
+<span id="L256" class="LineNr">256 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;) -&gt; &quot;</span> 3 0)
+<span id="L257" class="LineNr">257 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L258" class="LineNr">258 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;. Contents of a few words starting from address 0: &quot;</span> 3 0)
 <span id="L259" class="LineNr">259 </span>    b8/copy-to-eax 0/imm32
-<span id="L260" class="LineNr">260 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 2 0)
-<span id="L261" class="LineNr">261 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L260" class="LineNr">260 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 2 0)
+<span id="L261" class="LineNr">261 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L262" class="LineNr">262 </span>    40/increment-eax
-<span id="L263" class="LineNr">263 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L264" class="LineNr">264 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L263" class="LineNr">263 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L264" class="LineNr">264 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L265" class="LineNr">265 </span>    40/increment-eax
-<span id="L266" class="LineNr">266 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L267" class="LineNr">267 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L266" class="LineNr">266 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L267" class="LineNr">267 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L268" class="LineNr">268 </span>    40/increment-eax
-<span id="L269" class="LineNr">269 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L270" class="LineNr">270 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L269" class="LineNr">269 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L270" class="LineNr">270 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L271" class="LineNr">271 </span>    40/increment-eax
-<span id="L272" class="LineNr">272 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L273" class="LineNr">273 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L272" class="LineNr">272 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L273" class="LineNr">273 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L274" class="LineNr">274 </span>    40/increment-eax
-<span id="L275" class="LineNr">275 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L276" class="LineNr">276 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L275" class="LineNr">275 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L276" class="LineNr">276 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L277" class="LineNr">277 </span>    40/increment-eax
-<span id="L278" class="LineNr">278 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
-<span id="L279" class="LineNr">279 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
+<span id="L278" class="LineNr">278 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L279" class="LineNr">279 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 2 0)
 <span id="L280" class="LineNr">280 </span>    40/increment-eax
-<span id="L281" class="LineNr">281 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
+<span id="L281" class="LineNr">281 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *eax 3 0)
 <span id="L282" class="LineNr">282 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;\n&quot;</span>)
 <span id="L283" class="LineNr">283 </span>    <span class="subxComment"># never gets here</span>
 <span id="L284" class="LineNr">284 </span>
@@ -790,7 +790,7 @@ if ('onhashchange' in window) {
 <span id="L729" class="LineNr">729 </span>    <span class="subxS2Comment"># . . push payload</span>
 <span id="L730" class="LineNr">730 </span>    50/push-eax
 <span id="L731" class="LineNr">731 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L732" class="LineNr">732 </span>    e8/call  <a href='108write.subx.html#L171'>_append-4</a>/disp32
+<span id="L732" class="LineNr">732 </span>    e8/call  <a href='108write.subx.html#L257'>_append-4</a>/disp32
 <span id="L733" class="LineNr">733 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L734" class="LineNr">734 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
 <span id="L735" class="LineNr">735 </span><span class="Constant">$copy-array:end</span>:
diff --git a/html/123slice.subx.html b/html/123slice.subx.html
index 8257f816..b2e641b4 100644
--- a/html/123slice.subx.html
+++ b/html/123slice.subx.html
@@ -1010,7 +1010,7 @@ if ('onhashchange' in window) {
 <span id="L949" class="LineNr"> 949 </span>    81          0/subop/add         3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to eax</span>
 <span id="L950" class="LineNr"> 950 </span>    50/push-eax
 <span id="L951" class="LineNr"> 951 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L952" class="LineNr"> 952 </span>    e8/call  <a href='108write.subx.html#L171'>_append-4</a>/disp32
+<span id="L952" class="LineNr"> 952 </span>    e8/call  <a href='108write.subx.html#L257'>_append-4</a>/disp32
 <span id="L953" class="LineNr"> 953 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L954" class="LineNr"> 954 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
 <span id="L955" class="LineNr"> 955 </span>    <span class="subxComment"># restore out (assumes _append-4 can't error)</span>
diff --git a/html/309stream.subx.html b/html/309stream.subx.html
index 07fd0681..8cb9f603 100644
--- a/html/309stream.subx.html
+++ b/html/309stream.subx.html
@@ -137,7 +137,7 @@ if ('onhashchange' in window) {
 <span id="L81" class="LineNr"> 81 </span>    8b/-&gt; *(ebp+0x10) 1/r32/ecx
 <span id="L82" class="LineNr"> 82 </span>    8d/copy-address *(eax+ecx) 1/r32/ecx
 <span id="L83" class="LineNr"> 83 </span>    <span class="subxComment">#</span>
-<span id="L84" class="LineNr"> 84 </span>    (<a href='108write.subx.html#L171'>_append-4</a>  %edx %ebx  %eax %ecx)  <span class="subxComment"># =&gt; eax</span>
+<span id="L84" class="LineNr"> 84 </span>    (<a href='108write.subx.html#L257'>_append-4</a>  %edx %ebx  %eax %ecx)  <span class="subxComment"># =&gt; eax</span>
 <span id="L85" class="LineNr"> 85 </span>    <span class="subxComment"># s-&gt;write += n</span>
 <span id="L86" class="LineNr"> 86 </span>    8b/-&gt; *(ebp+0x10) 1/r32/ecx
 <span id="L87" class="LineNr"> 87 </span>    01/add-to *edi 1/r32/ecx
@@ -187,7 +187,7 @@ if ('onhashchange' in window) {
 <span id="L131" class="LineNr">131 </span>    8b/-&gt; *(ebp+0x10) 1/r32/ecx
 <span id="L132" class="LineNr">132 </span>    8d/copy-address *(eax+ecx) 1/r32/ecx
 <span id="L133" class="LineNr">133 </span>    <span class="subxComment">#</span>
-<span id="L134" class="LineNr">134 </span>    (<a href='108write.subx.html#L171'>_append-4</a>  %eax %ecx  %edx %ebx)  <span class="subxComment"># =&gt; eax</span>
+<span id="L134" class="LineNr">134 </span>    (<a href='108write.subx.html#L257'>_append-4</a>  %eax %ecx  %edx %ebx)  <span class="subxComment"># =&gt; eax</span>
 <span id="L135" class="LineNr">135 </span>    <span class="subxComment"># s-&gt;read += n</span>
 <span id="L136" class="LineNr">136 </span>    8b/-&gt; *(ebp+0x10) 1/r32/ecx
 <span id="L137" class="LineNr">137 </span>    01/add-to *(esi+4) 1/r32/ecx
diff --git a/html/313index-bounds-check.subx.html b/html/313index-bounds-check.subx.html
index 9b7c3592..72ce05db 100644
--- a/html/313index-bounds-check.subx.html
+++ b/html/313index-bounds-check.subx.html
@@ -82,13 +82,13 @@ if ('onhashchange' in window) {
 <span id="L26" class="LineNr">26 </span>    39/compare %eax 1/r32/ecx
 <span id="L27" class="LineNr">27 </span>    0f 82/jump-if-unsigned&lt; $__check-mu-array-bounds:end/disp32  <span class="subxComment"># negative index should always abort</span>
 <span id="L28" class="LineNr">28 </span>    <span class="subxComment"># abort if necessary</span>
-<span id="L29" class="LineNr">29 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;fn &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L30" class="LineNr">30 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L31" class="LineNr">31 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;: offset &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L32" class="LineNr">32 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L33" class="LineNr">33 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; is too large for array '&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L34" class="LineNr">34 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L35" class="LineNr">35 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;'&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L29" class="LineNr">29 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;fn &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L30" class="LineNr">30 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L31" class="LineNr">31 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;: offset &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L32" class="LineNr">32 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L33" class="LineNr">33 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; is too large for array '&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L34" class="LineNr">34 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L35" class="LineNr">35 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;'&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
 <span id="L36" class="LineNr">36 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;&quot;</span>)
 <span id="L37" class="LineNr">37 </span>    <span class="subxComment"># never gets here</span>
 <span id="L38" class="LineNr">38 </span><span class="Constant">$__check-mu-array-bounds:end</span>:
@@ -102,11 +102,11 @@ if ('onhashchange' in window) {
 <span id="L46" class="LineNr">46 </span>    c3/return
 <span id="L47" class="LineNr">47 </span>
 <span id="L48" class="LineNr">48 </span><span class="subxMinorFunction">__check-mu-array-bounds:overflow</span>:
-<span id="L49" class="LineNr">49 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;fn &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L50" class="LineNr">50 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L51" class="LineNr">51 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;: offset to array '&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L52" class="LineNr">52 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3 0)  <span class="subxComment"># 3=cyan</span>
-<span id="L53" class="LineNr">53 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;' overflowed 32 bits&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L49" class="LineNr">49 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;fn &quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L50" class="LineNr">50 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L51" class="LineNr">51 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;: offset to array '&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L52" class="LineNr">52 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3 0)  <span class="subxComment"># 3=cyan</span>
+<span id="L53" class="LineNr">53 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;' overflowed 32 bits&quot;</span> 3 0)  <span class="subxComment"># 3=cyan</span>
 <span id="L54" class="LineNr">54 </span>    (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;&quot;</span>)
 <span id="L55" class="LineNr">55 </span>    <span class="subxComment"># never gets here</span>
 <span id="L56" class="LineNr">56 </span>
diff --git a/html/315stack-debug.subx.html b/html/315stack-debug.subx.html
index bd9d5e3f..edb1b99e 100644
--- a/html/315stack-debug.subx.html
+++ b/html/315stack-debug.subx.html
@@ -92,12 +92,12 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr"> 34 </span>    <span class="subxComment">#</span>
 <span id="L35" class="LineNr"> 35 </span>    89/&lt;- %edx 4/r32/esp
 <span id="L36" class="LineNr"> 36 </span>    <span class="subxComment"># save old cursor position</span>
-<span id="L37" class="LineNr"> 37 </span>    (<a href='500fake-screen.mu.html#L153'>cursor-position</a> 0)  <span class="subxComment"># =&gt; eax, ecx</span>
+<span id="L37" class="LineNr"> 37 </span>    (<a href='500fake-screen.mu.html#L154'>cursor-position</a> 0)  <span class="subxComment"># =&gt; eax, ecx</span>
 <span id="L38" class="LineNr"> 38 </span>    <span class="subxComment"># print at top-right</span>
-<span id="L39" class="LineNr"> 39 </span>    (<a href='500fake-screen.mu.html#L169'>set-cursor-position</a> 0 0x70 0)
-<span id="L40" class="LineNr"> 40 </span>    (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %edx 0xf 0xc)
+<span id="L39" class="LineNr"> 39 </span>    (<a href='500fake-screen.mu.html#L170'>set-cursor-position</a> 0 0x70 0)
+<span id="L40" class="LineNr"> 40 </span>    (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %edx 0xf 0xc)
 <span id="L41" class="LineNr"> 41 </span>    <span class="subxComment"># restore cursor position</span>
-<span id="L42" class="LineNr"> 42 </span>    (<a href='500fake-screen.mu.html#L169'>set-cursor-position</a> %eax %ecx)
+<span id="L42" class="LineNr"> 42 </span>    (<a href='500fake-screen.mu.html#L170'>set-cursor-position</a> %eax %ecx)
 <span id="L43" class="LineNr"> 43 </span><span class="Constant">$show-stack-state:end</span>:
 <span id="L44" class="LineNr"> 44 </span>    <span class="subxS1Comment"># . restore registers</span>
 <span id="L45" class="LineNr"> 45 </span>    5a/pop-to-edx
@@ -122,13 +122,13 @@ if ('onhashchange' in window) {
 <span id="L64" class="LineNr"> 64 </span>    {
 <span id="L65" class="LineNr"> 65 </span>      81 7/subop/compare *<span class="SpecialChar"><a href='315stack-debug.subx.html#L121'>Really-debug-print</a></span> 0/imm32/false
 <span id="L66" class="LineNr"> 66 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L67" class="LineNr"> 67 </span>      (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) *(ebp+0xc) *(ebp+0x10))
+<span id="L67" class="LineNr"> 67 </span>      (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) *(ebp+0xc) *(ebp+0x10))
 <span id="L68" class="LineNr"> 68 </span>      <span class="subxComment"># clear the screen and continue if we got too close to the bottom</span>
-<span id="L69" class="LineNr"> 69 </span>      (<a href='500fake-screen.mu.html#L153'>cursor-position</a> 0)  <span class="subxComment"># =&gt; eax, ecx</span>
+<span id="L69" class="LineNr"> 69 </span>      (<a href='500fake-screen.mu.html#L154'>cursor-position</a> 0)  <span class="subxComment"># =&gt; eax, ecx</span>
 <span id="L70" class="LineNr"> 70 </span>      81 7/subop/compare %ecx 0x28/imm32
 <span id="L71" class="LineNr"> 71 </span>      75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L72" class="LineNr"> 72 </span>      (<a href='500fake-screen.mu.html#L230'>clear-screen</a> 0)
-<span id="L73" class="LineNr"> 73 </span>      (<a href='500fake-screen.mu.html#L169'>set-cursor-position</a> 0 0 0)
+<span id="L72" class="LineNr"> 72 </span>      (<a href='500fake-screen.mu.html#L231'>clear-screen</a> 0)
+<span id="L73" class="LineNr"> 73 </span>      (<a href='500fake-screen.mu.html#L170'>set-cursor-position</a> 0 0 0)
 <span id="L74" class="LineNr"> 74 </span>    }
 <span id="L75" class="LineNr"> 75 </span><span class="Constant">$debug-print:end</span>:
 <span id="L76" class="LineNr"> 76 </span>    <span class="subxS1Comment"># . restore registers</span>
diff --git a/html/317abort.subx.html b/html/317abort.subx.html
index f53236b1..ddc1b979 100644
--- a/html/317abort.subx.html
+++ b/html/317abort.subx.html
@@ -66,7 +66,7 @@ if ('onhashchange' in window) {
 <span id="L8" class="LineNr">  8 </span>    89/&lt;- %ebp 4/r32/esp
 <span id="L9" class="LineNr">  9 </span>    <span class="subxComment">#</span>
 <span id="L10" class="LineNr"> 10 </span>    (<a href='103grapheme.subx.html#L109'>set-cursor-position-on-real-screen</a> 0 0)
-<span id="L11" class="LineNr"> 11 </span>    (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) 0xf 0xc)  <span class="subxComment"># 0/real-screen, 0xf/fg=white, 0xc/bg=red</span>
+<span id="L11" class="LineNr"> 11 </span>    (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+8) 0xf 0xc)  <span class="subxComment"># 0/real-screen, 0xf/fg=white, 0xc/bg=red</span>
 <span id="L12" class="LineNr"> 12 </span>    (<a href='317abort.subx.html#L21'>dump-call-stack</a>)
 <span id="L13" class="LineNr"> 13 </span>    <span class="subxComment"># crash</span>
 <span id="L14" class="LineNr"> 14 </span>    {
@@ -101,9 +101,9 @@ if ('onhashchange' in window) {
 <span id="L43" class="LineNr"> 43 </span>      81 7/subop/compare %ebx 0/imm32
 <span id="L44" class="LineNr"> 44 </span>      0f 84/jump-if-= <span class="Constant">break</span>/disp32
 <span id="L45" class="LineNr"> 45 </span>      <span class="subxComment"># loop body</span>
-<span id="L46" class="LineNr"> 46 </span>      (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;\n&quot;</span> 0 0xc)
-<span id="L47" class="LineNr"> 47 </span>      (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebx+4) 0xf 0xc)
-<span id="L48" class="LineNr"> 48 </span>      (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 0 0xc)
+<span id="L46" class="LineNr"> 46 </span>      (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;\n&quot;</span> 0 0xc)
+<span id="L47" class="LineNr"> 47 </span>      (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebx+4) 0xf 0xc)
+<span id="L48" class="LineNr"> 48 </span>      (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot; &quot;</span> 0 0xc)
 <span id="L49" class="LineNr"> 49 </span>      (<a href='317abort.subx.html#L236'>containing-function</a> %edx *(ebx+4))  <span class="subxComment"># =&gt; eax, ecx</span>
 <span id="L50" class="LineNr"> 50 </span>      (<a href='317abort.subx.html#L297'>draw-slice-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax %ecx 0 0xc)
 <span id="L51" class="LineNr"> 51 </span>      <span class="subxComment"># loop update</span>
@@ -140,10 +140,10 @@ if ('onhashchange' in window) {
 <span id="L82" class="LineNr"> 82 </span>    c7 0/subop/copy *(ecx+4) 0/imm32  <span class="subxComment"># read index</span>
 <span id="L83" class="LineNr"> 83 </span>    c7 0/subop/copy *(ecx+8) 0x01000000/imm32  <span class="subxComment"># stream capacity = 16MB</span>
 <span id="L84" class="LineNr"> 84 </span>    <span class="subxComment"># load 0x400 sectors starting from sector 10080 = 0x2760</span>
-<span id="L85" class="LineNr"> 85 </span>    (<a href='boot.subx.html#L946'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L894'>Primary-bus-primary-drive</a></span> 0x2760 0x100 %ecx)
-<span id="L86" class="LineNr"> 86 </span>    (<a href='boot.subx.html#L946'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L894'>Primary-bus-primary-drive</a></span> 0x2860 0x100 %ecx)
-<span id="L87" class="LineNr"> 87 </span>    (<a href='boot.subx.html#L946'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L894'>Primary-bus-primary-drive</a></span> 0x2960 0x100 %ecx)
-<span id="L88" class="LineNr"> 88 </span>    (<a href='boot.subx.html#L946'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L894'>Primary-bus-primary-drive</a></span> 0x2a60 0x100 %ecx)
+<span id="L85" class="LineNr"> 85 </span>    (<a href='boot.subx.html#L960'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L908'>Primary-bus-primary-drive</a></span> 0x2760 0x100 %ecx)
+<span id="L86" class="LineNr"> 86 </span>    (<a href='boot.subx.html#L960'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L908'>Primary-bus-primary-drive</a></span> 0x2860 0x100 %ecx)
+<span id="L87" class="LineNr"> 87 </span>    (<a href='boot.subx.html#L960'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L908'>Primary-bus-primary-drive</a></span> 0x2960 0x100 %ecx)
+<span id="L88" class="LineNr"> 88 </span>    (<a href='boot.subx.html#L960'>load-sectors</a> <span class="SpecialChar"><a href='boot.subx.html#L908'>Primary-bus-primary-drive</a></span> 0x2a60 0x100 %ecx)
 <span id="L89" class="LineNr"> 89 </span>    <span class="subxH1Comment"># - parse pointers to portions of this stream into labels</span>
 <span id="L90" class="LineNr"> 90 </span>    <span class="subxComment"># var curr/ecx: (addr byte) = s-&gt;data</span>
 <span id="L91" class="LineNr"> 91 </span>    81 0/subop/add %ecx 0xc/imm32
@@ -193,7 +193,7 @@ if ('onhashchange' in window) {
 <span id="L135" class="LineNr">135 </span>      3d/compare-eax-and 0/imm32
 <span id="L136" class="LineNr">136 </span>      {
 <span id="L137" class="LineNr">137 </span>        75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L138" class="LineNr">138 </span>        (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;done loading&quot;</span> 7 0)
+<span id="L138" class="LineNr">138 </span>        (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;done loading&quot;</span> 7 0)
 <span id="L139" class="LineNr">139 </span>        {
 <span id="L140" class="LineNr">140 </span>          eb/jump <span class="Constant">loop</span>/disp8
 <span id="L141" class="LineNr">141 </span>        }
@@ -201,7 +201,7 @@ if ('onhashchange' in window) {
 <span id="L143" class="LineNr">143 </span>      3d/compare-eax-and 0xa/imm32/newline
 <span id="L144" class="LineNr">144 </span>      {
 <span id="L145" class="LineNr">145 </span>        75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L146" class="LineNr">146 </span>        (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;unexpected newline&quot;</span> 7 0)
+<span id="L146" class="LineNr">146 </span>        (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;unexpected newline&quot;</span> 7 0)
 <span id="L147" class="LineNr">147 </span>        {
 <span id="L148" class="LineNr">148 </span>          eb/jump <span class="Constant">loop</span>/disp8
 <span id="L149" class="LineNr">149 </span>        }
@@ -234,7 +234,7 @@ if ('onhashchange' in window) {
 <span id="L176" class="LineNr">176 </span>      3d/compare-eax-and 0/imm32
 <span id="L177" class="LineNr">177 </span>      {
 <span id="L178" class="LineNr">178 </span>        75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L179" class="LineNr">179 </span>        (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;done loading&quot;</span> 7 0)
+<span id="L179" class="LineNr">179 </span>        (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;done loading&quot;</span> 7 0)
 <span id="L180" class="LineNr">180 </span>        {
 <span id="L181" class="LineNr">181 </span>          eb/jump <span class="Constant">loop</span>/disp8
 <span id="L182" class="LineNr">182 </span>        }
@@ -242,7 +242,7 @@ if ('onhashchange' in window) {
 <span id="L184" class="LineNr">184 </span>      3d/compare-eax-and 0x20/imm32/space
 <span id="L185" class="LineNr">185 </span>      {
 <span id="L186" class="LineNr">186 </span>        75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L187" class="LineNr">187 </span>        (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;unexpected space&quot;</span> 7 0)
+<span id="L187" class="LineNr">187 </span>        (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;unexpected space&quot;</span> 7 0)
 <span id="L188" class="LineNr">188 </span>        {
 <span id="L189" class="LineNr">189 </span>          eb/jump <span class="Constant">loop</span>/disp8
 <span id="L190" class="LineNr">190 </span>        }
@@ -313,8 +313,8 @@ if ('onhashchange' in window) {
 <span id="L255" class="LineNr">255 </span>      39/compare %ecx 2/r32/edx
 <span id="L256" class="LineNr">256 </span>      {
 <span id="L257" class="LineNr">257 </span>        0f 82/jump-if-addr&lt; <span class="Constant">break</span>/disp32
-<span id="L258" class="LineNr">258 </span>        (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;failed to find function for address &quot;</span> 7 0)
-<span id="L259" class="LineNr">259 </span>        (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0xc) 7 0)
+<span id="L258" class="LineNr">258 </span>        (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">&quot;failed to find function for address &quot;</span> 7 0)
+<span id="L259" class="LineNr">259 </span>        (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0xc) 7 0)
 <span id="L260" class="LineNr">260 </span>        {
 <span id="L261" class="LineNr">261 </span>          eb/jump <span class="Constant">loop</span>/disp8
 <span id="L262" class="LineNr">262 </span>        }
@@ -373,7 +373,7 @@ if ('onhashchange' in window) {
 <span id="L315" class="LineNr">315 </span>      <span class="subxComment"># print *curr</span>
 <span id="L316" class="LineNr">316 </span>      8a/byte-&gt; *ecx 0/r32/eax
 <span id="L317" class="LineNr">317 </span>      (<a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> *(ebp+8) %eax *(ebp+0x14) *(ebp+0x18))
-<span id="L318" class="LineNr">318 </span>      (<a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> *(ebp+8))
+<span id="L318" class="LineNr">318 </span>      (<a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> *(ebp+8))
 <span id="L319" class="LineNr">319 </span>      <span class="subxComment">#</span>
 <span id="L320" class="LineNr">320 </span>      41/increment-ecx
 <span id="L321" class="LineNr">321 </span>      <span class="subxComment">#</span>
diff --git a/html/318counter.subx.html b/html/318counter.subx.html
new file mode 100644
index 00000000..a892f566
--- /dev/null
+++ b/html/318counter.subx.html
@@ -0,0 +1,92 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - 318counter.subx</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-dark">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #a8a8a8; }
+body { font-size:12pt; font-family: monospace; color: #000000; background-color: #a8a8a8; }
+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
+.SpecialChar { color: #d70000; }
+.subxComment { color: #005faf; }
+.subxS1Comment { color: #0000af; }
+.LineNr { }
+.subxFunction { color: #af5f00; text-decoration: underline; }
+.Constant { color: #008787; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/main/318counter.subx'>https://github.com/akkartik/mu/blob/main/318counter.subx</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># A rudimentary counter that can be called from anywhere.</span>
+<span id="L2" class="LineNr"> 2 </span>
+<span id="L3" class="LineNr"> 3 </span>== code
+<span id="L4" class="LineNr"> 4 </span>
+<span id="L5" class="LineNr"> 5 </span><span class="subxFunction">count-event</span>:
+<span id="L6" class="LineNr"> 6 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L7" class="LineNr"> 7 </span>    55/push-ebp
+<span id="L8" class="LineNr"> 8 </span>    89/&lt;- %ebp 4/r32/esp
+<span id="L9" class="LineNr"> 9 </span>    <span class="subxComment">#</span>
+<span id="L10" class="LineNr">10 </span>    ff 0/subop/increment *<span class="SpecialChar"><a href='318counter.subx.html#L30'>Foo</a></span>
+<span id="L11" class="LineNr">11 </span><span class="Constant">$count-event:end</span>:
+<span id="L12" class="LineNr">12 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L13" class="LineNr">13 </span>    89/&lt;- %esp 5/r32/ebp
+<span id="L14" class="LineNr">14 </span>    5d/pop-to-ebp
+<span id="L15" class="LineNr">15 </span>    c3/return
+<span id="L16" class="LineNr">16 </span>
+<span id="L17" class="LineNr">17 </span><span class="subxFunction">count-of-events</span>:  <span class="subxComment"># -&gt; _/eax: int</span>
+<span id="L18" class="LineNr">18 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L19" class="LineNr">19 </span>    55/push-ebp
+<span id="L20" class="LineNr">20 </span>    89/&lt;- %ebp 4/r32/esp
+<span id="L21" class="LineNr">21 </span>    <span class="subxComment">#</span>
+<span id="L22" class="LineNr">22 </span>    8b/-&gt; *<span class="SpecialChar"><a href='318counter.subx.html#L30'>Foo</a></span> 0/r32/eax
+<span id="L23" class="LineNr">23 </span><span class="Constant">$count-of-events:end</span>:
+<span id="L24" class="LineNr">24 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L25" class="LineNr">25 </span>    89/&lt;- %esp 5/r32/ebp
+<span id="L26" class="LineNr">26 </span>    5d/pop-to-ebp
+<span id="L27" class="LineNr">27 </span>    c3/return
+<span id="L28" class="LineNr">28 </span>
+<span id="L29" class="LineNr">29 </span>== data
+<span id="L30" class="LineNr">30 </span><span class="SpecialChar">Foo</span>:
+<span id="L31" class="LineNr">31 </span>  0/imm32
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/400.mu.html b/html/400.mu.html
index e7a56322..e071ade5 100644
--- a/html/400.mu.html
+++ b/html/400.mu.html
@@ -65,11 +65,11 @@ if ('onhashchange' in window) {
 <span id="L10" class="LineNr"> 10 </span><span class="PreProc">sig</span> <a href='102keyboard.subx.html#L21'>read-key</a> kbd: (addr keyboard)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
 <span id="L11" class="LineNr"> 11 </span>
 <span id="L12" class="LineNr"> 12 </span><span class="muComment"># disk</span>
-<span id="L13" class="LineNr"> 13 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L946'>load-sectors</a> disk: (addr disk), lba: int, n: int, out: (addr stream byte)
-<span id="L14" class="LineNr"> 14 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L1009'>store-sectors</a> disk: (addr disk), lba: int, n: int, out: (addr stream byte)
+<span id="L13" class="LineNr"> 13 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L960'>load-sectors</a> disk: (addr disk), lba: int, n: int, out: (addr stream byte)
+<span id="L14" class="LineNr"> 14 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L1023'>store-sectors</a> disk: (addr disk), lba: int, n: int, out: (addr stream byte)
 <span id="L15" class="LineNr"> 15 </span>
 <span id="L16" class="LineNr"> 16 </span><span class="muComment"># mouse</span>
-<span id="L17" class="LineNr"> 17 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L1415'>read-mouse-event</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int
+<span id="L17" class="LineNr"> 17 </span><span class="PreProc">sig</span> <a href='boot.subx.html#L1429'>read-mouse-event</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int
 <span id="L18" class="LineNr"> 18 </span>
 <span id="L19" class="LineNr"> 19 </span><span class="muComment"># tests</span>
 <span id="L20" class="LineNr"> 20 </span><span class="PreProc">sig</span> <a href='104test.subx.html#L5'>count-test-failure</a>
@@ -89,71 +89,78 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr"> 34 </span><span class="PreProc">sig</span> <a href='317abort.subx.html#L5'>abort</a> e: (addr array byte)
 <span id="L35" class="LineNr"> 35 </span><span class="PreProc">sig</span> <a href='317abort.subx.html#L21'>dump-call-stack</a>
 <span id="L36" class="LineNr"> 36 </span>
-<span id="L37" class="LineNr"> 37 </span><span class="muComment"># streams</span>
-<span id="L38" class="LineNr"> 38 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L20'>clear-stream</a> f: (addr stream _)
-<span id="L39" class="LineNr"> 39 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L59'>rewind-stream</a> f: (addr stream _)
-<span id="L40" class="LineNr"> 40 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L9'>stream-data-equal?</a> f: (addr stream byte), s: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L41" class="LineNr"> 41 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L211'>streams-data-equal?</a> f: (addr stream byte), s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L42" class="LineNr"> 42 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L194'>check-stream-equal</a> f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
-<span id="L43" class="LineNr"> 43 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L230'>next-stream-line-equal?</a> f: (addr stream byte), s: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L44" class="LineNr"> 44 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L565'>check-next-stream-line-equal</a> f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
-<span id="L45" class="LineNr"> 45 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L11'>write</a> f: (addr stream byte), s: (addr array byte)
-<span id="L46" class="LineNr"> 46 </span><span class="PreProc">sig</span> <a href='113write-stream.subx.html#L8'>write-stream</a> f: (addr stream byte), s: (addr stream byte)
-<span id="L47" class="LineNr"> 47 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L13'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
-<span id="L48" class="LineNr"> 48 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L12'>append-byte</a> f: (addr stream byte), n: int  <span class="muComment"># really just a byte, but I want to pass in literal numbers</span>
-<span id="L49" class="LineNr"> 49 </span><span class="muComment">#sig to-hex-char in/eax: int -&gt; out/eax: int</span>
-<span id="L50" class="LineNr"> 50 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L21'>append-byte-hex</a> f: (addr stream byte), n: int  <span class="muComment"># really just a byte, but I want to pass in literal numbers</span>
-<span id="L51" class="LineNr"> 51 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> f: (addr stream byte), n: int
-<span id="L52" class="LineNr"> 52 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L123'>write-int32-hex-bits</a> f: (addr stream byte), n: int, bits: int
-<span id="L53" class="LineNr"> 53 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L9'>hex-int?</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L54" class="LineNr"> 54 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L354'>parse-hex-int</a> in: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L55" class="LineNr"> 55 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L387'>parse-hex-int-from-slice</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L56" class="LineNr"> 56 </span><span class="muComment">#sig parse-hex-int-helper start: (addr byte), end: (addr byte) -&gt; _/eax: int</span>
-<span id="L57" class="LineNr"> 57 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L701'>hex-digit?</a> c: byte<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L58" class="LineNr"> 58 </span><span class="muComment">#sig from-hex-char in/eax: byte -&gt; out/eax: nibble</span>
-<span id="L59" class="LineNr"> 59 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L23'>parse-decimal-int</a> in: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L60" class="LineNr"> 60 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L61" class="LineNr"> 61 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L62" class="LineNr"> 62 </span><span class="muComment">#sig parse-decimal-int-helper start: (addr byte), end: (addr byte) -&gt; _/eax: int</span>
-<span id="L63" class="LineNr"> 63 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L312'>decimal-size</a> n: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L64" class="LineNr"> 64 </span><span class="muComment">#sig allocate ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
-<span id="L65" class="LineNr"> 65 </span><span class="muComment">#sig allocate-raw ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
-<span id="L66" class="LineNr"> 66 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L223'>lookup</a> h: (handle _T)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: (addr _T)
-<span id="L67" class="LineNr"> 67 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L448'>handle-equal?</a> a: (handle _T), b: (handle _T)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L68" class="LineNr"> 68 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L479'>copy-handle</a> src: (handle _T), dest: (addr handle _T)
-<span id="L69" class="LineNr"> 69 </span><span class="muComment">#sig allocate-region ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)</span>
-<span id="L70" class="LineNr"> 70 </span><span class="muComment">#sig allocate-array ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
-<span id="L71" class="LineNr"> 71 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L690'>copy-array</a> ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T)
-<span id="L72" class="LineNr"> 72 </span><span class="muComment">#sig zero-out start: (addr byte), size: int</span>
-<span id="L73" class="LineNr"> 73 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L9'>slice-empty?</a> s: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L74" class="LineNr"> 74 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L120'>slice-equal?</a> s: (addr slice), p: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L75" class="LineNr"> 75 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L487'>slice-starts-with?</a> s: (addr slice), head: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L76" class="LineNr"> 76 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L793'>write-slice</a> out: (addr stream byte), s: (addr slice)
-<span id="L77" class="LineNr"> 77 </span><span class="muComment"># bad name alert</span>
-<span id="L78" class="LineNr"> 78 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L898'>slice-to-string</a> ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
-<span id="L79" class="LineNr"> 79 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> out: (addr stream byte), n: int
-<span id="L80" class="LineNr"> 80 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L296'>decimal-digit?</a> c: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L81" class="LineNr"> 81 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L395'>to-decimal-digit</a> in: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L82" class="LineNr"> 82 </span><span class="muComment"># bad name alert</span>
-<span id="L83" class="LineNr"> 83 </span><span class="muComment"># next-word really tokenizes</span>
-<span id="L84" class="LineNr"> 84 </span><span class="muComment"># next-raw-word really reads whitespace-separated words</span>
-<span id="L85" class="LineNr"> 85 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L11'>next-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># skips '#' comments</span>
-<span id="L86" class="LineNr"> 86 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L306'>next-raw-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># does not skip '#' comments</span>
-<span id="L87" class="LineNr"> 87 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L88" class="LineNr"> 88 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L30'>stream-full?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L89" class="LineNr"> 89 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L60'>stream-to-array</a> in: (addr stream _), out: (addr handle array _)
-<span id="L90" class="LineNr"> 90 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L120'>unquote-stream-to-array</a> in: (addr stream _), out: (addr handle array _)
-<span id="L91" class="LineNr"> 91 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L154'>stream-first</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
-<span id="L92" class="LineNr"> 92 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L181'>stream-final</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
-<span id="L93" class="LineNr"> 93 </span>
-<span id="L94" class="LineNr"> 94 </span><span class="muComment">#sig copy-bytes src: (addr byte), dest: (addr byte), n: int</span>
-<span id="L95" class="LineNr"> 95 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L3'>copy-array-object</a> src: (addr array _), dest-ah: (addr handle array _)
-<span id="L96" class="LineNr"> 96 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L5'>array-equal?</a> a: (addr array int), b: (addr array int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L97" class="LineNr"> 97 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L368'>parse-array-of-ints</a> s: (addr array byte), out: (addr handle array int)
-<span id="L98" class="LineNr"> 98 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L623'>parse-array-of-decimal-ints</a> s: (addr array byte), out: (addr handle array int)
-<span id="L99" class="LineNr"> 99 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L382'>check-array-equal</a> a: (addr array int), expected: (addr string), msg: (addr string)
+<span id="L37" class="LineNr"> 37 </span><span class="PreProc">sig</span> <a href='318counter.subx.html#L5'>count-event</a>
+<span id="L38" class="LineNr"> 38 </span><span class="PreProc">sig</span> <a href='318counter.subx.html#L17'>count-of-events</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L39" class="LineNr"> 39 </span>
+<span id="L40" class="LineNr"> 40 </span><span class="muComment"># streams</span>
+<span id="L41" class="LineNr"> 41 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L20'>clear-stream</a> f: (addr stream _)
+<span id="L42" class="LineNr"> 42 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L59'>rewind-stream</a> f: (addr stream _)
+<span id="L43" class="LineNr"> 43 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L9'>stream-data-equal?</a> f: (addr stream byte), s: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L44" class="LineNr"> 44 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L211'>streams-data-equal?</a> f: (addr stream byte), s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L45" class="LineNr"> 45 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L194'>check-stream-equal</a> f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
+<span id="L46" class="LineNr"> 46 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L230'>next-stream-line-equal?</a> f: (addr stream byte), s: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L47" class="LineNr"> 47 </span><span class="PreProc">sig</span> <a href='109stream-equal.subx.html#L565'>check-next-stream-line-equal</a> f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
+<span id="L48" class="LineNr"> 48 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L11'>write</a> f: (addr stream byte), s: (addr array byte)
+<span id="L49" class="LineNr"> 49 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L138'>try-write</a> f: (addr stream byte), s: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L50" class="LineNr"> 50 </span><span class="muComment"># probably a bad idea; I definitely want to discourage its use for streams of non-bytes</span>
+<span id="L51" class="LineNr"> 51 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L194'>stream-size</a> f: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L52" class="LineNr"> 52 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L176'>space-remaining-in-stream</a> f: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L53" class="LineNr"> 53 </span><span class="PreProc">sig</span> <a href='113write-stream.subx.html#L8'>write-stream</a> f: (addr stream byte), s: (addr stream byte)
+<span id="L54" class="LineNr"> 54 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L13'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
+<span id="L55" class="LineNr"> 55 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L12'>append-byte</a> f: (addr stream byte), n: int  <span class="muComment"># really just a byte, but I want to pass in literal numbers</span>
+<span id="L56" class="LineNr"> 56 </span><span class="muComment">#sig to-hex-char in/eax: int -&gt; out/eax: int</span>
+<span id="L57" class="LineNr"> 57 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L21'>append-byte-hex</a> f: (addr stream byte), n: int  <span class="muComment"># really just a byte, but I want to pass in literal numbers</span>
+<span id="L58" class="LineNr"> 58 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> f: (addr stream byte), n: int
+<span id="L59" class="LineNr"> 59 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L123'>write-int32-hex-bits</a> f: (addr stream byte), n: int, bits: int
+<span id="L60" class="LineNr"> 60 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L9'>hex-int?</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L61" class="LineNr"> 61 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L354'>parse-hex-int</a> in: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L62" class="LineNr"> 62 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L387'>parse-hex-int-from-slice</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L63" class="LineNr"> 63 </span><span class="muComment">#sig parse-hex-int-helper start: (addr byte), end: (addr byte) -&gt; _/eax: int</span>
+<span id="L64" class="LineNr"> 64 </span><span class="PreProc">sig</span> <a href='118parse-hex-int.subx.html#L701'>hex-digit?</a> c: byte<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L65" class="LineNr"> 65 </span><span class="muComment">#sig from-hex-char in/eax: byte -&gt; out/eax: nibble</span>
+<span id="L66" class="LineNr"> 66 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L23'>parse-decimal-int</a> in: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L67" class="LineNr"> 67 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L68" class="LineNr"> 68 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L69" class="LineNr"> 69 </span><span class="muComment">#sig parse-decimal-int-helper start: (addr byte), end: (addr byte) -&gt; _/eax: int</span>
+<span id="L70" class="LineNr"> 70 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L312'>decimal-size</a> n: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L71" class="LineNr"> 71 </span><span class="muComment">#sig allocate ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
+<span id="L72" class="LineNr"> 72 </span><span class="muComment">#sig allocate-raw ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
+<span id="L73" class="LineNr"> 73 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L223'>lookup</a> h: (handle _T)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: (addr _T)
+<span id="L74" class="LineNr"> 74 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L448'>handle-equal?</a> a: (handle _T), b: (handle _T)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L75" class="LineNr"> 75 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L479'>copy-handle</a> src: (handle _T), dest: (addr handle _T)
+<span id="L76" class="LineNr"> 76 </span><span class="muComment">#sig allocate-region ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)</span>
+<span id="L77" class="LineNr"> 77 </span><span class="muComment">#sig allocate-array ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span>
+<span id="L78" class="LineNr"> 78 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L690'>copy-array</a> ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T)
+<span id="L79" class="LineNr"> 79 </span><span class="muComment">#sig zero-out start: (addr byte), size: int</span>
+<span id="L80" class="LineNr"> 80 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L9'>slice-empty?</a> s: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L81" class="LineNr"> 81 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L120'>slice-equal?</a> s: (addr slice), p: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L82" class="LineNr"> 82 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L487'>slice-starts-with?</a> s: (addr slice), head: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L83" class="LineNr"> 83 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L793'>write-slice</a> out: (addr stream byte), s: (addr slice)
+<span id="L84" class="LineNr"> 84 </span><span class="muComment"># bad name alert</span>
+<span id="L85" class="LineNr"> 85 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L898'>slice-to-string</a> ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
+<span id="L86" class="LineNr"> 86 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> out: (addr stream byte), n: int
+<span id="L87" class="LineNr"> 87 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L296'>decimal-digit?</a> c: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L88" class="LineNr"> 88 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L395'>to-decimal-digit</a> in: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L89" class="LineNr"> 89 </span><span class="muComment"># bad name alert</span>
+<span id="L90" class="LineNr"> 90 </span><span class="muComment"># next-word really tokenizes</span>
+<span id="L91" class="LineNr"> 91 </span><span class="muComment"># next-raw-word really reads whitespace-separated words</span>
+<span id="L92" class="LineNr"> 92 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L11'>next-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># skips '#' comments</span>
+<span id="L93" class="LineNr"> 93 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L306'>next-raw-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># does not skip '#' comments</span>
+<span id="L94" class="LineNr"> 94 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L95" class="LineNr"> 95 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L30'>stream-full?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L96" class="LineNr"> 96 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L60'>stream-to-array</a> in: (addr stream _), out: (addr handle array _)
+<span id="L97" class="LineNr"> 97 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L120'>unquote-stream-to-array</a> in: (addr stream _), out: (addr handle array _)
+<span id="L98" class="LineNr"> 98 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L154'>stream-first</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
+<span id="L99" class="LineNr"> 99 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L181'>stream-final</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
 <span id="L100" class="LineNr">100 </span>
-<span id="L101" class="LineNr">101 </span><span class="PreProc">sig</span> <a href='314divide.subx.html#L3'>integer-divide</a> a: int, b: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">edx</span>: int
+<span id="L101" class="LineNr">101 </span><span class="muComment">#sig copy-bytes src: (addr byte), dest: (addr byte), n: int</span>
+<span id="L102" class="LineNr">102 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L3'>copy-array-object</a> src: (addr array _), dest-ah: (addr handle array _)
+<span id="L103" class="LineNr">103 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L5'>array-equal?</a> a: (addr array int), b: (addr array int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L104" class="LineNr">104 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L368'>parse-array-of-ints</a> s: (addr array byte), out: (addr handle array int)
+<span id="L105" class="LineNr">105 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L623'>parse-array-of-decimal-ints</a> s: (addr array byte), out: (addr handle array int)
+<span id="L106" class="LineNr">106 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L382'>check-array-equal</a> a: (addr array int), expected: (addr string), msg: (addr string)
+<span id="L107" class="LineNr">107 </span>
+<span id="L108" class="LineNr">108 </span><span class="PreProc">sig</span> <a href='314divide.subx.html#L3'>integer-divide</a> a: int, b: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">edx</span>: int
 </pre>
 </body>
 </html>
diff --git a/html/500fake-screen.mu.html b/html/500fake-screen.mu.html
index edf7b8f5..b6b99964 100644
--- a/html/500fake-screen.mu.html
+++ b/html/500fake-screen.mu.html
@@ -174,445 +174,446 @@ if ('onhashchange' in window) {
 <span id="L116" class="LineNr">116 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, x, y, color, background-color
 <span id="L117" class="LineNr">117 </span><span class="Delimiter">}</span>
 <span id="L118" class="LineNr">118 </span>
-<span id="L119" class="LineNr">119 </span><span class="muComment"># not really needed for a real screen, though it shouldn't do any harm</span>
+<span id="L119" class="LineNr">119 </span><span class="muComment"># fake screens only</span>
 <span id="L120" class="LineNr">120 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L120'>screen-cell-index</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
 <span id="L121" class="LineNr">121 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L122" class="LineNr">122 </span>  <span class="Delimiter">{</span>
-<span id="L123" class="LineNr">123 </span>    compare x, <span class="Constant">0</span>
-<span id="L124" class="LineNr">124 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L125" class="LineNr">125 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative x&quot;</span>
-<span id="L126" class="LineNr">126 </span>  <span class="Delimiter">}</span>
-<span id="L127" class="LineNr">127 </span>  <span class="Delimiter">{</span>
-<span id="L128" class="LineNr">128 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L129" class="LineNr">129 </span>    <span class="PreProc">var</span> xcurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L130" class="LineNr">130 </span>    compare xcurr, *xmax
-<span id="L131" class="LineNr">131 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L132" class="LineNr">132 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: x too high&quot;</span>
-<span id="L133" class="LineNr">133 </span>  <span class="Delimiter">}</span>
-<span id="L134" class="LineNr">134 </span>  <span class="Delimiter">{</span>
-<span id="L135" class="LineNr">135 </span>    compare y, <span class="Constant">0</span>
-<span id="L136" class="LineNr">136 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L137" class="LineNr">137 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative y&quot;</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Delimiter">}</span>
-<span id="L139" class="LineNr">139 </span>  <span class="Delimiter">{</span>
-<span id="L140" class="LineNr">140 </span>    <span class="PreProc">var</span> ymax/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L141" class="LineNr">141 </span>    <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L142" class="LineNr">142 </span>    compare ycurr, *ymax
-<span id="L143" class="LineNr">143 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L144" class="LineNr">144 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: y too high&quot;</span>
-<span id="L145" class="LineNr">145 </span>  <span class="Delimiter">}</span>
-<span id="L146" class="LineNr">146 </span>  <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> result/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L148" class="LineNr">148 </span>  result <span class="Special">&lt;-</span> multiply *width-addr
-<span id="L149" class="LineNr">149 </span>  result <span class="Special">&lt;-</span> add x
-<span id="L150" class="LineNr">150 </span>  <span class="PreProc">return</span> result
-<span id="L151" class="LineNr">151 </span><span class="Delimiter">}</span>
-<span id="L152" class="LineNr">152 </span>
-<span id="L153" class="LineNr">153 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L153'>cursor-position</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L154" class="LineNr">154 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L155" class="LineNr">155 </span>  <span class="Delimiter">{</span>
-<span id="L156" class="LineNr">156 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L157" class="LineNr">157 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L158" class="LineNr">158 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L159" class="LineNr">159 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L160" class="LineNr">160 </span>    x, y <span class="Special">&lt;-</span> <a href='103grapheme.subx.html#L96'>cursor-position-on-real-screen</a>
-<span id="L161" class="LineNr">161 </span>    <span class="PreProc">return</span> x, y
-<span id="L162" class="LineNr">162 </span>  <span class="Delimiter">}</span>
-<span id="L163" class="LineNr">163 </span>  <span class="muComment"># fake screen</span>
-<span id="L164" class="LineNr">164 </span>  <span class="PreProc">var</span> cursor-x-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x
-<span id="L165" class="LineNr">165 </span>  <span class="PreProc">var</span> cursor-y-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-y
-<span id="L166" class="LineNr">166 </span>  <span class="PreProc">return</span> *cursor-x-addr, *cursor-y-addr
-<span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span>
-<span id="L168" class="LineNr">168 </span>
-<span id="L169" class="LineNr">169 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L169'>set-cursor-position</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int <span class="Delimiter">{</span>
-<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L171" class="LineNr">171 </span>  <span class="Delimiter">{</span>
-<span id="L172" class="LineNr">172 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L173" class="LineNr">173 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L174" class="LineNr">174 </span>    <a href='103grapheme.subx.html#L109'>set-cursor-position-on-real-screen</a> x, y
-<span id="L175" class="LineNr">175 </span>    <span class="PreProc">return</span>
-<span id="L176" class="LineNr">176 </span>  <span class="Delimiter">}</span>
-<span id="L177" class="LineNr">177 </span>  <span class="muComment"># fake screen</span>
-<span id="L178" class="LineNr">178 </span>  <span class="muComment"># ignore x &lt; 0</span>
-<span id="L179" class="LineNr">179 </span>  <span class="Delimiter">{</span>
-<span id="L180" class="LineNr">180 </span>    compare x, <span class="Constant">0</span>
-<span id="L181" class="LineNr">181 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L182" class="LineNr">182 </span>    <span class="PreProc">return</span>
-<span id="L183" class="LineNr">183 </span>  <span class="Delimiter">}</span>
-<span id="L184" class="LineNr">184 </span>  <span class="muComment"># ignore x &gt;= width</span>
-<span id="L185" class="LineNr">185 </span>  <span class="Delimiter">{</span>
-<span id="L186" class="LineNr">186 </span>    <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L187" class="LineNr">187 </span>    <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *width-addr
-<span id="L188" class="LineNr">188 </span>    compare x, width
-<span id="L189" class="LineNr">189 </span>    <span class="PreProc">break-if-&lt;=</span>
-<span id="L190" class="LineNr">190 </span>    <span class="PreProc">return</span>
-<span id="L191" class="LineNr">191 </span>  <span class="Delimiter">}</span>
-<span id="L192" class="LineNr">192 </span>  <span class="muComment"># ignore y &lt; 0</span>
-<span id="L193" class="LineNr">193 </span>  <span class="Delimiter">{</span>
-<span id="L194" class="LineNr">194 </span>    compare y, <span class="Constant">0</span>
-<span id="L195" class="LineNr">195 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L196" class="LineNr">196 </span>    <span class="PreProc">return</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Delimiter">}</span>
-<span id="L198" class="LineNr">198 </span>  <span class="muComment"># ignore y &gt;= height</span>
-<span id="L199" class="LineNr">199 </span>  <span class="Delimiter">{</span>
-<span id="L200" class="LineNr">200 </span>    <span class="PreProc">var</span> height-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L201" class="LineNr">201 </span>    <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *height-addr
-<span id="L202" class="LineNr">202 </span>    compare y, height
-<span id="L203" class="LineNr">203 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L204" class="LineNr">204 </span>    <span class="PreProc">return</span>
-<span id="L205" class="LineNr">205 </span>  <span class="Delimiter">}</span>
-<span id="L206" class="LineNr">206 </span>  <span class="muComment"># screen-&gt;cursor-x = x</span>
-<span id="L207" class="LineNr">207 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x
-<span id="L208" class="LineNr">208 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L209" class="LineNr">209 </span>  copy-to *dest, src
-<span id="L210" class="LineNr">210 </span>  <span class="muComment"># screen-&gt;cursor-y = y</span>
-<span id="L211" class="LineNr">211 </span>  dest <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-y
-<span id="L212" class="LineNr">212 </span>  src <span class="Special">&lt;-</span> copy y
-<span id="L213" class="LineNr">213 </span>  copy-to *dest, src
-<span id="L214" class="LineNr">214 </span><span class="Delimiter">}</span>
-<span id="L215" class="LineNr">215 </span>
-<span id="L216" class="LineNr">216 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L216'>draw-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), g: grapheme <span class="Delimiter">{</span>
-<span id="L217" class="LineNr">217 </span>  <span class="Delimiter">{</span>
-<span id="L218" class="LineNr">218 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L219" class="LineNr">219 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L220" class="LineNr">220 </span>    <a href='103grapheme.subx.html#L134'>draw-cursor-on-real-screen</a> g
-<span id="L221" class="LineNr">221 </span>    <span class="PreProc">return</span>
-<span id="L222" class="LineNr">222 </span>  <span class="Delimiter">}</span>
-<span id="L223" class="LineNr">223 </span>  <span class="muComment"># fake screen</span>
-<span id="L224" class="LineNr">224 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L225" class="LineNr">225 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L226" class="LineNr">226 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L227" class="LineNr">227 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, cursor-x, cursor-y, <span class="Constant">0</span>/fg, <span class="Constant">7</span>/bg
-<span id="L228" class="LineNr">228 </span><span class="Delimiter">}</span>
-<span id="L229" class="LineNr">229 </span>
-<span id="L230" class="LineNr">230 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L230'>clear-screen</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
-<span id="L231" class="LineNr">231 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L232" class="LineNr">232 </span>  <span class="Delimiter">{</span>
-<span id="L233" class="LineNr">233 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L234" class="LineNr">234 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L235" class="LineNr">235 </span>    <a href='500fake-screen.mu.html#L364'>clear-real-screen</a>
-<span id="L236" class="LineNr">236 </span>    <span class="PreProc">return</span>
-<span id="L237" class="LineNr">237 </span>  <span class="Delimiter">}</span>
-<span id="L238" class="LineNr">238 </span>  <span class="muComment"># fake screen</span>
-<span id="L239" class="LineNr">239 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
-<span id="L240" class="LineNr">240 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L241" class="LineNr">241 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L242" class="LineNr">242 </span>  <span class="Delimiter">{</span>
-<span id="L243" class="LineNr">243 </span>    compare y, *height
-<span id="L244" class="LineNr">244 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L245" class="LineNr">245 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L246" class="LineNr">246 </span>    <span class="PreProc">var</span> width/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L247" class="LineNr">247 </span>    <span class="Delimiter">{</span>
-<span id="L248" class="LineNr">248 </span>      compare x, *width
-<span id="L249" class="LineNr">249 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L250" class="LineNr">250 </span>      <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, <span class="Constant">0</span>/fg=black, <span class="Constant">0</span>/bg=black
-<span id="L251" class="LineNr">251 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L252" class="LineNr">252 </span>      <span class="PreProc">loop</span>
-<span id="L253" class="LineNr">253 </span>    <span class="Delimiter">}</span>
-<span id="L254" class="LineNr">254 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L255" class="LineNr">255 </span>    <span class="PreProc">loop</span>
-<span id="L256" class="LineNr">256 </span>  <span class="Delimiter">}</span>
-<span id="L257" class="LineNr">257 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
-<span id="L258" class="LineNr">258 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
-<span id="L259" class="LineNr">259 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
-<span id="L260" class="LineNr">260 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L261" class="LineNr">261 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length pixels
-<span id="L262" class="LineNr">262 </span>  <span class="Delimiter">{</span>
-<span id="L263" class="LineNr">263 </span>    compare i, max
-<span id="L264" class="LineNr">264 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L265" class="LineNr">265 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, i
-<span id="L266" class="LineNr">266 </span>    <span class="PreProc">var</span> zero/<span class="Constant">ebx</span>: byte <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L267" class="LineNr">267 </span>    copy-byte-to *curr, zero
-<span id="L268" class="LineNr">268 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L269" class="LineNr">269 </span>    <span class="PreProc">loop</span>
-<span id="L270" class="LineNr">270 </span>  <span class="Delimiter">}</span>
-<span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span>
-<span id="L272" class="LineNr">272 </span>
-<span id="L273" class="LineNr">273 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L273'>fake-screen-empty?</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L274" class="LineNr">274 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L275" class="LineNr">275 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L276" class="LineNr">276 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L277" class="LineNr">277 </span>  <span class="Delimiter">{</span>
-<span id="L278" class="LineNr">278 </span>    compare y, *height
-<span id="L279" class="LineNr">279 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L280" class="LineNr">280 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L281" class="LineNr">281 </span>    <span class="PreProc">var</span> width/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L282" class="LineNr">282 </span>    <span class="Delimiter">{</span>
-<span id="L283" class="LineNr">283 </span>      compare x, *width
-<span id="L284" class="LineNr">284 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L285" class="LineNr">285 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L406'>screen-grapheme-at</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L286" class="LineNr">286 </span>      <span class="Delimiter">{</span>
-<span id="L287" class="LineNr">287 </span>        compare g, <span class="Constant">0</span>
-<span id="L288" class="LineNr">288 </span>        <span class="PreProc">break-if-=</span>
-<span id="L289" class="LineNr">289 </span>        compare g, <span class="Constant">0x20</span>/space
-<span id="L290" class="LineNr">290 </span>        <span class="PreProc">break-if-=</span>
-<span id="L291" class="LineNr">291 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L292" class="LineNr">292 </span>      <span class="Delimiter">}</span>
-<span id="L293" class="LineNr">293 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L294" class="LineNr">294 </span>      <span class="PreProc">loop</span>
-<span id="L295" class="LineNr">295 </span>    <span class="Delimiter">}</span>
-<span id="L296" class="LineNr">296 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L297" class="LineNr">297 </span>    <span class="PreProc">loop</span>
-<span id="L298" class="LineNr">298 </span>  <span class="Delimiter">}</span>
-<span id="L299" class="LineNr">299 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
-<span id="L300" class="LineNr">300 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
-<span id="L301" class="LineNr">301 </span>  <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L302" class="LineNr">302 </span>  <span class="PreProc">var</span> height-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L303" class="LineNr">303 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *height-addr
-<span id="L304" class="LineNr">304 </span>  height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L305" class="LineNr">305 </span>  <span class="Delimiter">{</span>
-<span id="L306" class="LineNr">306 </span>    compare y, height
-<span id="L307" class="LineNr">307 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L308" class="LineNr">308 </span>    <span class="PreProc">var</span> width-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L309" class="LineNr">309 </span>    <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-addr
-<span id="L310" class="LineNr">310 </span>    width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L311" class="LineNr">311 </span>    <span class="PreProc">var</span> x/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L312" class="LineNr">312 </span>    <span class="Delimiter">{</span>
-<span id="L313" class="LineNr">313 </span>      compare x, width
-<span id="L314" class="LineNr">314 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L315" class="LineNr">315 </span>      <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L484'>pixel-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L316" class="LineNr">316 </span>      <span class="PreProc">var</span> color-addr/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
-<span id="L317" class="LineNr">317 </span>      <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
-<span id="L318" class="LineNr">318 </span>      compare color, <span class="Constant">0</span>
-<span id="L319" class="LineNr">319 </span>      <span class="Delimiter">{</span>
-<span id="L320" class="LineNr">320 </span>        <span class="PreProc">break-if-=</span>
-<span id="L321" class="LineNr">321 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L322" class="LineNr">322 </span>      <span class="Delimiter">}</span>
-<span id="L323" class="LineNr">323 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L324" class="LineNr">324 </span>      <span class="PreProc">loop</span>
-<span id="L325" class="LineNr">325 </span>    <span class="Delimiter">}</span>
-<span id="L326" class="LineNr">326 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L327" class="LineNr">327 </span>    <span class="PreProc">loop</span>
-<span id="L328" class="LineNr">328 </span>  <span class="Delimiter">}</span>
-<span id="L329" class="LineNr">329 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L330" class="LineNr">330 </span><span class="Delimiter">}</span>
-<span id="L331" class="LineNr">331 </span>
-<span id="L332" class="LineNr">332 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L332'>clear-rect</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int, xmax: int, ymax: int, background-color: int <span class="Delimiter">{</span>
-<span id="L333" class="LineNr">333 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L334" class="LineNr">334 </span>  <span class="Delimiter">{</span>
-<span id="L335" class="LineNr">335 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L336" class="LineNr">336 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L337" class="LineNr">337 </span>    <a href='500fake-screen.mu.html#L382'>clear-rect-on-real-screen</a> xmin, ymin, xmax, ymax, background-color
-<span id="L338" class="LineNr">338 </span>    <span class="PreProc">return</span>
-<span id="L339" class="LineNr">339 </span>  <span class="Delimiter">}</span>
-<span id="L340" class="LineNr">340 </span>  <span class="muComment"># fake screen</span>
-<span id="L341" class="LineNr">341 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
-<span id="L342" class="LineNr">342 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L343" class="LineNr">343 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymax
-<span id="L344" class="LineNr">344 </span>  <span class="Delimiter">{</span>
-<span id="L345" class="LineNr">345 </span>    compare y, ymax
-<span id="L346" class="LineNr">346 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L347" class="LineNr">347 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L348" class="LineNr">348 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy xmax
-<span id="L349" class="LineNr">349 </span>    <span class="Delimiter">{</span>
-<span id="L350" class="LineNr">350 </span>      compare x, xmax
-<span id="L351" class="LineNr">351 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L352" class="LineNr">352 </span>      <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, <span class="Constant">0</span>/fg, background-color
-<span id="L353" class="LineNr">353 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L354" class="LineNr">354 </span>      <span class="PreProc">loop</span>
-<span id="L355" class="LineNr">355 </span>    <span class="Delimiter">}</span>
-<span id="L356" class="LineNr">356 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L357" class="LineNr">357 </span>    <span class="PreProc">loop</span>
-<span id="L358" class="LineNr">358 </span>  <span class="Delimiter">}</span>
-<span id="L359" class="LineNr">359 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
-<span id="L360" class="LineNr">360 </span><span class="Delimiter">}</span>
-<span id="L361" class="LineNr">361 </span>
-<span id="L362" class="LineNr">362 </span><span class="muComment"># there's no grapheme that guarantees to cover every pixel, so we'll bump down</span>
-<span id="L363" class="LineNr">363 </span><span class="muComment"># to pixels for a real screen</span>
-<span id="L364" class="LineNr">364 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L364'>clear-real-screen</a></span> <span class="Delimiter">{</span>
-<span id="L365" class="LineNr">365 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L366" class="LineNr">366 </span>  <span class="Delimiter">{</span>
-<span id="L367" class="LineNr">367 </span>    compare y, <span class="Constant">0x300</span>/screen-height=<span class="Constant">768</span>
-<span id="L368" class="LineNr">368 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L369" class="LineNr">369 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L370" class="LineNr">370 </span>    <span class="Delimiter">{</span>
-<span id="L371" class="LineNr">371 </span>      compare x, <span class="Constant">0x400</span>/screen-width=<span class="Constant">1024</span>
-<span id="L372" class="LineNr">372 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L373" class="LineNr">373 </span>      <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, <span class="Constant">0</span>/color=black
-<span id="L374" class="LineNr">374 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L375" class="LineNr">375 </span>      <span class="PreProc">loop</span>
-<span id="L376" class="LineNr">376 </span>    <span class="Delimiter">}</span>
-<span id="L377" class="LineNr">377 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L378" class="LineNr">378 </span>    <span class="PreProc">loop</span>
-<span id="L379" class="LineNr">379 </span>  <span class="Delimiter">}</span>
-<span id="L380" class="LineNr">380 </span><span class="Delimiter">}</span>
-<span id="L381" class="LineNr">381 </span>
-<span id="L382" class="LineNr">382 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L382'>clear-rect-on-real-screen</a></span> xmin: int, ymin: int, xmax: int, ymax: int, background-color: int <span class="Delimiter">{</span>
-<span id="L383" class="LineNr">383 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L384" class="LineNr">384 </span>  y <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L385" class="LineNr">385 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymax
-<span id="L386" class="LineNr">386 </span>  ymax <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L387" class="LineNr">387 </span>  <span class="Delimiter">{</span>
-<span id="L388" class="LineNr">388 </span>    compare y, ymax
-<span id="L389" class="LineNr">389 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L390" class="LineNr">390 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L391" class="LineNr">391 </span>    x <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L392" class="LineNr">392 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy xmax
-<span id="L393" class="LineNr">393 </span>    xmax <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L394" class="LineNr">394 </span>    <span class="Delimiter">{</span>
-<span id="L395" class="LineNr">395 </span>      compare x, xmax
-<span id="L396" class="LineNr">396 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L397" class="LineNr">397 </span>      <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, background-color
-<span id="L398" class="LineNr">398 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L399" class="LineNr">399 </span>      <span class="PreProc">loop</span>
-<span id="L400" class="LineNr">400 </span>    <span class="Delimiter">}</span>
-<span id="L401" class="LineNr">401 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L402" class="LineNr">402 </span>    <span class="PreProc">loop</span>
-<span id="L403" class="LineNr">403 </span>  <span class="Delimiter">}</span>
-<span id="L404" class="LineNr">404 </span><span class="Delimiter">}</span>
-<span id="L405" class="LineNr">405 </span>
-<span id="L406" class="LineNr">406 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L406'>screen-grapheme-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
-<span id="L407" class="LineNr">407 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L408" class="LineNr">408 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L409" class="LineNr">409 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L413'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
-<span id="L410" class="LineNr">410 </span>  <span class="PreProc">return</span> result
-<span id="L411" class="LineNr">411 </span><span class="Delimiter">}</span>
-<span id="L412" class="LineNr">412 </span>
-<span id="L413" class="LineNr">413 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L413'>screen-grapheme-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
-<span id="L414" class="LineNr">414 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L415" class="LineNr">415 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
-<span id="L416" class="LineNr">416 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L417" class="LineNr">417 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
-<span id="L418" class="LineNr">418 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
-<span id="L419" class="LineNr">419 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
-<span id="L420" class="LineNr">420 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr grapheme) <span class="Special">&lt;-</span> get cell, data
-<span id="L421" class="LineNr">421 </span>  <span class="PreProc">return</span> *src
-<span id="L422" class="LineNr">422 </span><span class="Delimiter">}</span>
-<span id="L423" class="LineNr">423 </span>
-<span id="L424" class="LineNr">424 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L424'>screen-color-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L425" class="LineNr">425 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L426" class="LineNr">426 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L427" class="LineNr">427 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L431'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
-<span id="L428" class="LineNr">428 </span>  <span class="PreProc">return</span> result
-<span id="L429" class="LineNr">429 </span><span class="Delimiter">}</span>
-<span id="L430" class="LineNr">430 </span>
-<span id="L431" class="LineNr">431 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L431'>screen-color-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L432" class="LineNr">432 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L433" class="LineNr">433 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
-<span id="L434" class="LineNr">434 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L435" class="LineNr">435 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
-<span id="L436" class="LineNr">436 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
-<span id="L437" class="LineNr">437 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
-<span id="L438" class="LineNr">438 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get cell, color
-<span id="L439" class="LineNr">439 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *src
-<span id="L440" class="LineNr">440 </span>  <span class="PreProc">return</span> result
-<span id="L441" class="LineNr">441 </span><span class="Delimiter">}</span>
-<span id="L442" class="LineNr">442 </span>
-<span id="L443" class="LineNr">443 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L443'>screen-background-color-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L444" class="LineNr">444 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L445" class="LineNr">445 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L446" class="LineNr">446 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L450'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
-<span id="L447" class="LineNr">447 </span>  <span class="PreProc">return</span> result
-<span id="L448" class="LineNr">448 </span><span class="Delimiter">}</span>
-<span id="L449" class="LineNr">449 </span>
-<span id="L450" class="LineNr">450 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L450'>screen-background-color-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L451" class="LineNr">451 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L452" class="LineNr">452 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
-<span id="L453" class="LineNr">453 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L454" class="LineNr">454 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
-<span id="L455" class="LineNr">455 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
-<span id="L456" class="LineNr">456 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
-<span id="L457" class="LineNr">457 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get cell, background-color
-<span id="L458" class="LineNr">458 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *src
-<span id="L459" class="LineNr">459 </span>  <span class="PreProc">return</span> result
-<span id="L460" class="LineNr">460 </span><span class="Delimiter">}</span>
-<span id="L461" class="LineNr">461 </span>
-<span id="L462" class="LineNr">462 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L462'>pixel</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int, color: int <span class="Delimiter">{</span>
-<span id="L463" class="LineNr">463 </span>  <span class="Delimiter">{</span>
-<span id="L464" class="LineNr">464 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
-<span id="L465" class="LineNr">465 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L466" class="LineNr">466 </span>    <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, color
-<span id="L467" class="LineNr">467 </span>    <span class="PreProc">return</span>
-<span id="L468" class="LineNr">468 </span>  <span class="Delimiter">}</span>
-<span id="L469" class="LineNr">469 </span>  <span class="muComment"># fake screen</span>
-<span id="L470" class="LineNr">470 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L471" class="LineNr">471 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
-<span id="L472" class="LineNr">472 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
-<span id="L473" class="LineNr">473 </span>  <span class="Delimiter">{</span>
-<span id="L474" class="LineNr">474 </span>    compare pixels, <span class="Constant">0</span>
-<span id="L475" class="LineNr">475 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L476" class="LineNr">476 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;pixel graphics not enabled for this screen&quot;</span>
-<span id="L477" class="LineNr">477 </span>  <span class="Delimiter">}</span>
-<span id="L478" class="LineNr">478 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L484'>pixel-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
-<span id="L479" class="LineNr">479 </span>  <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
-<span id="L480" class="LineNr">480 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> copy-byte color
-<span id="L481" class="LineNr">481 </span>  copy-byte-to *dest, src
-<span id="L482" class="LineNr">482 </span><span class="Delimiter">}</span>
-<span id="L483" class="LineNr">483 </span>
-<span id="L484" class="LineNr">484 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L484'>pixel-index</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L485" class="LineNr">485 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L486" class="LineNr">486 </span>  <span class="Delimiter">{</span>
-<span id="L487" class="LineNr">487 </span>    compare x, <span class="Constant">0</span>
-<span id="L488" class="LineNr">488 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L489" class="LineNr">489 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative x&quot;</span>
-<span id="L490" class="LineNr">490 </span>  <span class="Delimiter">}</span>
-<span id="L491" class="LineNr">491 </span>  <span class="Delimiter">{</span>
-<span id="L492" class="LineNr">492 </span>    <span class="PreProc">var</span> xmax-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L493" class="LineNr">493 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *xmax-a
-<span id="L494" class="LineNr">494 </span>    xmax <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L495" class="LineNr">495 </span>    compare x, xmax
-<span id="L496" class="LineNr">496 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L497" class="LineNr">497 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: x too high&quot;</span>
-<span id="L498" class="LineNr">498 </span>  <span class="Delimiter">}</span>
-<span id="L499" class="LineNr">499 </span>  <span class="Delimiter">{</span>
-<span id="L500" class="LineNr">500 </span>    compare y, <span class="Constant">0</span>
-<span id="L501" class="LineNr">501 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L502" class="LineNr">502 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative y&quot;</span>
-<span id="L503" class="LineNr">503 </span>  <span class="Delimiter">}</span>
-<span id="L504" class="LineNr">504 </span>  <span class="Delimiter">{</span>
-<span id="L505" class="LineNr">505 </span>    <span class="PreProc">var</span> ymax-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L506" class="LineNr">506 </span>    <span class="PreProc">var</span> ymax/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *ymax-a
-<span id="L507" class="LineNr">507 </span>    ymax <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L508" class="LineNr">508 </span>    compare y, ymax
-<span id="L509" class="LineNr">509 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L510" class="LineNr">510 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: y too high&quot;</span>
-<span id="L511" class="LineNr">511 </span>  <span class="Delimiter">}</span>
-<span id="L512" class="LineNr">512 </span>  <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L513" class="LineNr">513 </span>  <span class="PreProc">var</span> result/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L514" class="LineNr">514 </span>  result <span class="Special">&lt;-</span> multiply *width-addr
-<span id="L515" class="LineNr">515 </span>  result <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L516" class="LineNr">516 </span>  result <span class="Special">&lt;-</span> add x
-<span id="L517" class="LineNr">517 </span>  <span class="PreProc">return</span> result
-<span id="L518" class="LineNr">518 </span><span class="Delimiter">}</span>
-<span id="L519" class="LineNr">519 </span>
-<span id="L520" class="LineNr">520 </span><span class="muComment"># double-buffering primitive</span>
-<span id="L521" class="LineNr">521 </span><span class="muComment"># 'screen' must be a fake screen. 'target-screen' is usually real.</span>
-<span id="L522" class="LineNr">522 </span><span class="muComment"># Both screens must have the same size.</span>
-<span id="L523" class="LineNr">523 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L523'>copy-pixels</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), target-screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
-<span id="L524" class="LineNr">524 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
-<span id="L525" class="LineNr">525 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
-<span id="L526" class="LineNr">526 </span>  <span class="PreProc">var</span> _pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
-<span id="L527" class="LineNr">527 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">edi</span>: (addr array byte) <span class="Special">&lt;-</span> copy _pixels
-<span id="L528" class="LineNr">528 </span>  <span class="PreProc">var</span> width-a/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
-<span id="L529" class="LineNr">529 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-a
-<span id="L530" class="LineNr">530 </span>  width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L531" class="LineNr">531 </span>  <span class="PreProc">var</span> height-a/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
-<span id="L532" class="LineNr">532 </span>  <span class="PreProc">var</span> height/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *height-a
-<span id="L533" class="LineNr">533 </span>  height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L534" class="LineNr">534 </span>  <span class="PreProc">var</span> i/<span class="Constant">esi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L535" class="LineNr">535 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L536" class="LineNr">536 </span>  <span class="Delimiter">{</span>
-<span id="L537" class="LineNr">537 </span>    <span class="muComment"># screen top left pixels x y width height</span>
-<span id="L538" class="LineNr">538 </span>    compare y, height
-<span id="L539" class="LineNr">539 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L540" class="LineNr">540 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L541" class="LineNr">541 </span>    <span class="Delimiter">{</span>
-<span id="L542" class="LineNr">542 </span>      compare x, width
-<span id="L543" class="LineNr">543 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L544" class="LineNr">544 </span>      <span class="Delimiter">{</span>
-<span id="L545" class="LineNr">545 </span>        <span class="PreProc">var</span> color-addr/<span class="Constant">ebx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, i
-<span id="L546" class="LineNr">546 </span>        <span class="PreProc">var</span> color/<span class="Constant">ebx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
-<span id="L547" class="LineNr">547 </span>        <span class="PreProc">var</span> color2/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy color
-<span id="L548" class="LineNr">548 </span>        <a href='500fake-screen.mu.html#L462'>pixel</a> target-screen, x, y, color2
-<span id="L549" class="LineNr">549 </span>      <span class="Delimiter">}</span>
-<span id="L550" class="LineNr">550 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L551" class="LineNr">551 </span>      i <span class="Special">&lt;-</span> increment
-<span id="L552" class="LineNr">552 </span>      <span class="PreProc">loop</span>
-<span id="L553" class="LineNr">553 </span>    <span class="Delimiter">}</span>
-<span id="L554" class="LineNr">554 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L555" class="LineNr">555 </span>    <span class="PreProc">loop</span>
-<span id="L556" class="LineNr">556 </span>  <span class="Delimiter">}</span>
-<span id="L557" class="LineNr">557 </span><span class="Delimiter">}</span>
+<span id="L122" class="LineNr">122 </span>  <span class="muComment"># some bounds checks that aren't needed for a real screen, but might help catch problems</span>
+<span id="L123" class="LineNr">123 </span>  <span class="Delimiter">{</span>
+<span id="L124" class="LineNr">124 </span>    compare x, <span class="Constant">0</span>
+<span id="L125" class="LineNr">125 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L126" class="LineNr">126 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative x&quot;</span>
+<span id="L127" class="LineNr">127 </span>  <span class="Delimiter">}</span>
+<span id="L128" class="LineNr">128 </span>  <span class="Delimiter">{</span>
+<span id="L129" class="LineNr">129 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L130" class="LineNr">130 </span>    <span class="PreProc">var</span> xcurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L131" class="LineNr">131 </span>    compare xcurr, *xmax
+<span id="L132" class="LineNr">132 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L133" class="LineNr">133 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: x too high&quot;</span>
+<span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Delimiter">{</span>
+<span id="L136" class="LineNr">136 </span>    compare y, <span class="Constant">0</span>
+<span id="L137" class="LineNr">137 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L138" class="LineNr">138 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative y&quot;</span>
+<span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
+<span id="L140" class="LineNr">140 </span>  <span class="Delimiter">{</span>
+<span id="L141" class="LineNr">141 </span>    <span class="PreProc">var</span> ymax/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L142" class="LineNr">142 </span>    <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L143" class="LineNr">143 </span>    compare ycurr, *ymax
+<span id="L144" class="LineNr">144 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L145" class="LineNr">145 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: y too high&quot;</span>
+<span id="L146" class="LineNr">146 </span>  <span class="Delimiter">}</span>
+<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L148" class="LineNr">148 </span>  <span class="PreProc">var</span> result/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L149" class="LineNr">149 </span>  result <span class="Special">&lt;-</span> multiply *width-addr
+<span id="L150" class="LineNr">150 </span>  result <span class="Special">&lt;-</span> add x
+<span id="L151" class="LineNr">151 </span>  <span class="PreProc">return</span> result
+<span id="L152" class="LineNr">152 </span><span class="Delimiter">}</span>
+<span id="L153" class="LineNr">153 </span>
+<span id="L154" class="LineNr">154 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L154'>cursor-position</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L155" class="LineNr">155 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L156" class="LineNr">156 </span>  <span class="Delimiter">{</span>
+<span id="L157" class="LineNr">157 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L158" class="LineNr">158 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L159" class="LineNr">159 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L160" class="LineNr">160 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L161" class="LineNr">161 </span>    x, y <span class="Special">&lt;-</span> <a href='103grapheme.subx.html#L96'>cursor-position-on-real-screen</a>
+<span id="L162" class="LineNr">162 </span>    <span class="PreProc">return</span> x, y
+<span id="L163" class="LineNr">163 </span>  <span class="Delimiter">}</span>
+<span id="L164" class="LineNr">164 </span>  <span class="muComment"># fake screen</span>
+<span id="L165" class="LineNr">165 </span>  <span class="PreProc">var</span> cursor-x-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x
+<span id="L166" class="LineNr">166 </span>  <span class="PreProc">var</span> cursor-y-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-y
+<span id="L167" class="LineNr">167 </span>  <span class="PreProc">return</span> *cursor-x-addr, *cursor-y-addr
+<span id="L168" class="LineNr">168 </span><span class="Delimiter">}</span>
+<span id="L169" class="LineNr">169 </span>
+<span id="L170" class="LineNr">170 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L170'>set-cursor-position</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int <span class="Delimiter">{</span>
+<span id="L171" class="LineNr">171 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L172" class="LineNr">172 </span>  <span class="Delimiter">{</span>
+<span id="L173" class="LineNr">173 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L174" class="LineNr">174 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L175" class="LineNr">175 </span>    <a href='103grapheme.subx.html#L109'>set-cursor-position-on-real-screen</a> x, y
+<span id="L176" class="LineNr">176 </span>    <span class="PreProc">return</span>
+<span id="L177" class="LineNr">177 </span>  <span class="Delimiter">}</span>
+<span id="L178" class="LineNr">178 </span>  <span class="muComment"># fake screen</span>
+<span id="L179" class="LineNr">179 </span>  <span class="muComment"># ignore x &lt; 0</span>
+<span id="L180" class="LineNr">180 </span>  <span class="Delimiter">{</span>
+<span id="L181" class="LineNr">181 </span>    compare x, <span class="Constant">0</span>
+<span id="L182" class="LineNr">182 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L183" class="LineNr">183 </span>    <span class="PreProc">return</span>
+<span id="L184" class="LineNr">184 </span>  <span class="Delimiter">}</span>
+<span id="L185" class="LineNr">185 </span>  <span class="muComment"># ignore x &gt;= width</span>
+<span id="L186" class="LineNr">186 </span>  <span class="Delimiter">{</span>
+<span id="L187" class="LineNr">187 </span>    <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L188" class="LineNr">188 </span>    <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *width-addr
+<span id="L189" class="LineNr">189 </span>    compare x, width
+<span id="L190" class="LineNr">190 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L191" class="LineNr">191 </span>    <span class="PreProc">return</span>
+<span id="L192" class="LineNr">192 </span>  <span class="Delimiter">}</span>
+<span id="L193" class="LineNr">193 </span>  <span class="muComment"># ignore y &lt; 0</span>
+<span id="L194" class="LineNr">194 </span>  <span class="Delimiter">{</span>
+<span id="L195" class="LineNr">195 </span>    compare y, <span class="Constant">0</span>
+<span id="L196" class="LineNr">196 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L197" class="LineNr">197 </span>    <span class="PreProc">return</span>
+<span id="L198" class="LineNr">198 </span>  <span class="Delimiter">}</span>
+<span id="L199" class="LineNr">199 </span>  <span class="muComment"># ignore y &gt;= height</span>
+<span id="L200" class="LineNr">200 </span>  <span class="Delimiter">{</span>
+<span id="L201" class="LineNr">201 </span>    <span class="PreProc">var</span> height-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L202" class="LineNr">202 </span>    <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *height-addr
+<span id="L203" class="LineNr">203 </span>    compare y, height
+<span id="L204" class="LineNr">204 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L205" class="LineNr">205 </span>    <span class="PreProc">return</span>
+<span id="L206" class="LineNr">206 </span>  <span class="Delimiter">}</span>
+<span id="L207" class="LineNr">207 </span>  <span class="muComment"># screen-&gt;cursor-x = x</span>
+<span id="L208" class="LineNr">208 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x
+<span id="L209" class="LineNr">209 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L210" class="LineNr">210 </span>  copy-to *dest, src
+<span id="L211" class="LineNr">211 </span>  <span class="muComment"># screen-&gt;cursor-y = y</span>
+<span id="L212" class="LineNr">212 </span>  dest <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-y
+<span id="L213" class="LineNr">213 </span>  src <span class="Special">&lt;-</span> copy y
+<span id="L214" class="LineNr">214 </span>  copy-to *dest, src
+<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span>
+<span id="L216" class="LineNr">216 </span>
+<span id="L217" class="LineNr">217 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L217'>draw-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), g: grapheme <span class="Delimiter">{</span>
+<span id="L218" class="LineNr">218 </span>  <span class="Delimiter">{</span>
+<span id="L219" class="LineNr">219 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L220" class="LineNr">220 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L221" class="LineNr">221 </span>    <a href='103grapheme.subx.html#L134'>draw-cursor-on-real-screen</a> g
+<span id="L222" class="LineNr">222 </span>    <span class="PreProc">return</span>
+<span id="L223" class="LineNr">223 </span>  <span class="Delimiter">}</span>
+<span id="L224" class="LineNr">224 </span>  <span class="muComment"># fake screen</span>
+<span id="L225" class="LineNr">225 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L226" class="LineNr">226 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L227" class="LineNr">227 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L228" class="LineNr">228 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, cursor-x, cursor-y, <span class="Constant">0</span>/fg, <span class="Constant">7</span>/bg
+<span id="L229" class="LineNr">229 </span><span class="Delimiter">}</span>
+<span id="L230" class="LineNr">230 </span>
+<span id="L231" class="LineNr">231 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L231'>clear-screen</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
+<span id="L232" class="LineNr">232 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L233" class="LineNr">233 </span>  <span class="Delimiter">{</span>
+<span id="L234" class="LineNr">234 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L235" class="LineNr">235 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L236" class="LineNr">236 </span>    <a href='500fake-screen.mu.html#L365'>clear-real-screen</a>
+<span id="L237" class="LineNr">237 </span>    <span class="PreProc">return</span>
+<span id="L238" class="LineNr">238 </span>  <span class="Delimiter">}</span>
+<span id="L239" class="LineNr">239 </span>  <span class="muComment"># fake screen</span>
+<span id="L240" class="LineNr">240 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L241" class="LineNr">241 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L242" class="LineNr">242 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L243" class="LineNr">243 </span>  <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>    compare y, *height
+<span id="L245" class="LineNr">245 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L246" class="LineNr">246 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L247" class="LineNr">247 </span>    <span class="PreProc">var</span> width/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L248" class="LineNr">248 </span>    <span class="Delimiter">{</span>
+<span id="L249" class="LineNr">249 </span>      compare x, *width
+<span id="L250" class="LineNr">250 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L251" class="LineNr">251 </span>      <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, <span class="Constant">0</span>/fg=black, <span class="Constant">0</span>/bg=black
+<span id="L252" class="LineNr">252 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L253" class="LineNr">253 </span>      <span class="PreProc">loop</span>
+<span id="L254" class="LineNr">254 </span>    <span class="Delimiter">}</span>
+<span id="L255" class="LineNr">255 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L256" class="LineNr">256 </span>    <span class="PreProc">loop</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Delimiter">}</span>
+<span id="L258" class="LineNr">258 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L259" class="LineNr">259 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
+<span id="L260" class="LineNr">260 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
+<span id="L261" class="LineNr">261 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L262" class="LineNr">262 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length pixels
+<span id="L263" class="LineNr">263 </span>  <span class="Delimiter">{</span>
+<span id="L264" class="LineNr">264 </span>    compare i, max
+<span id="L265" class="LineNr">265 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L266" class="LineNr">266 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, i
+<span id="L267" class="LineNr">267 </span>    <span class="PreProc">var</span> zero/<span class="Constant">ebx</span>: byte <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L268" class="LineNr">268 </span>    copy-byte-to *curr, zero
+<span id="L269" class="LineNr">269 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L270" class="LineNr">270 </span>    <span class="PreProc">loop</span>
+<span id="L271" class="LineNr">271 </span>  <span class="Delimiter">}</span>
+<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span>
+<span id="L273" class="LineNr">273 </span>
+<span id="L274" class="LineNr">274 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L274'>fake-screen-empty?</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L275" class="LineNr">275 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L276" class="LineNr">276 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L277" class="LineNr">277 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L278" class="LineNr">278 </span>  <span class="Delimiter">{</span>
+<span id="L279" class="LineNr">279 </span>    compare y, *height
+<span id="L280" class="LineNr">280 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L281" class="LineNr">281 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L282" class="LineNr">282 </span>    <span class="PreProc">var</span> width/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L283" class="LineNr">283 </span>    <span class="Delimiter">{</span>
+<span id="L284" class="LineNr">284 </span>      compare x, *width
+<span id="L285" class="LineNr">285 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L286" class="LineNr">286 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L407'>screen-grapheme-at</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L287" class="LineNr">287 </span>      <span class="Delimiter">{</span>
+<span id="L288" class="LineNr">288 </span>        compare g, <span class="Constant">0</span>
+<span id="L289" class="LineNr">289 </span>        <span class="PreProc">break-if-=</span>
+<span id="L290" class="LineNr">290 </span>        compare g, <span class="Constant">0x20</span>/space
+<span id="L291" class="LineNr">291 </span>        <span class="PreProc">break-if-=</span>
+<span id="L292" class="LineNr">292 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L293" class="LineNr">293 </span>      <span class="Delimiter">}</span>
+<span id="L294" class="LineNr">294 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L295" class="LineNr">295 </span>      <span class="PreProc">loop</span>
+<span id="L296" class="LineNr">296 </span>    <span class="Delimiter">}</span>
+<span id="L297" class="LineNr">297 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L298" class="LineNr">298 </span>    <span class="PreProc">loop</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Delimiter">}</span>
+<span id="L300" class="LineNr">300 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
+<span id="L301" class="LineNr">301 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
+<span id="L302" class="LineNr">302 </span>  <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L303" class="LineNr">303 </span>  <span class="PreProc">var</span> height-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L304" class="LineNr">304 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *height-addr
+<span id="L305" class="LineNr">305 </span>  height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L306" class="LineNr">306 </span>  <span class="Delimiter">{</span>
+<span id="L307" class="LineNr">307 </span>    compare y, height
+<span id="L308" class="LineNr">308 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L309" class="LineNr">309 </span>    <span class="PreProc">var</span> width-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L310" class="LineNr">310 </span>    <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-addr
+<span id="L311" class="LineNr">311 </span>    width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L312" class="LineNr">312 </span>    <span class="PreProc">var</span> x/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L313" class="LineNr">313 </span>    <span class="Delimiter">{</span>
+<span id="L314" class="LineNr">314 </span>      compare x, width
+<span id="L315" class="LineNr">315 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L316" class="LineNr">316 </span>      <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L485'>pixel-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L317" class="LineNr">317 </span>      <span class="PreProc">var</span> color-addr/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
+<span id="L318" class="LineNr">318 </span>      <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
+<span id="L319" class="LineNr">319 </span>      compare color, <span class="Constant">0</span>
+<span id="L320" class="LineNr">320 </span>      <span class="Delimiter">{</span>
+<span id="L321" class="LineNr">321 </span>        <span class="PreProc">break-if-=</span>
+<span id="L322" class="LineNr">322 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L323" class="LineNr">323 </span>      <span class="Delimiter">}</span>
+<span id="L324" class="LineNr">324 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L325" class="LineNr">325 </span>      <span class="PreProc">loop</span>
+<span id="L326" class="LineNr">326 </span>    <span class="Delimiter">}</span>
+<span id="L327" class="LineNr">327 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L328" class="LineNr">328 </span>    <span class="PreProc">loop</span>
+<span id="L329" class="LineNr">329 </span>  <span class="Delimiter">}</span>
+<span id="L330" class="LineNr">330 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L331" class="LineNr">331 </span><span class="Delimiter">}</span>
+<span id="L332" class="LineNr">332 </span>
+<span id="L333" class="LineNr">333 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L333'>clear-rect</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int, xmax: int, ymax: int, background-color: int <span class="Delimiter">{</span>
+<span id="L334" class="LineNr">334 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L335" class="LineNr">335 </span>  <span class="Delimiter">{</span>
+<span id="L336" class="LineNr">336 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L337" class="LineNr">337 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L338" class="LineNr">338 </span>    <a href='500fake-screen.mu.html#L383'>clear-rect-on-real-screen</a> xmin, ymin, xmax, ymax, background-color
+<span id="L339" class="LineNr">339 </span>    <span class="PreProc">return</span>
+<span id="L340" class="LineNr">340 </span>  <span class="Delimiter">}</span>
+<span id="L341" class="LineNr">341 </span>  <span class="muComment"># fake screen</span>
+<span id="L342" class="LineNr">342 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L343" class="LineNr">343 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L344" class="LineNr">344 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymax
+<span id="L345" class="LineNr">345 </span>  <span class="Delimiter">{</span>
+<span id="L346" class="LineNr">346 </span>    compare y, ymax
+<span id="L347" class="LineNr">347 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L348" class="LineNr">348 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L349" class="LineNr">349 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy xmax
+<span id="L350" class="LineNr">350 </span>    <span class="Delimiter">{</span>
+<span id="L351" class="LineNr">351 </span>      compare x, xmax
+<span id="L352" class="LineNr">352 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L353" class="LineNr">353 </span>      <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, <span class="Constant">0</span>/fg, background-color
+<span id="L354" class="LineNr">354 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L355" class="LineNr">355 </span>      <span class="PreProc">loop</span>
+<span id="L356" class="LineNr">356 </span>    <span class="Delimiter">}</span>
+<span id="L357" class="LineNr">357 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L358" class="LineNr">358 </span>    <span class="PreProc">loop</span>
+<span id="L359" class="LineNr">359 </span>  <span class="Delimiter">}</span>
+<span id="L360" class="LineNr">360 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L361" class="LineNr">361 </span><span class="Delimiter">}</span>
+<span id="L362" class="LineNr">362 </span>
+<span id="L363" class="LineNr">363 </span><span class="muComment"># there's no grapheme that guarantees to cover every pixel, so we'll bump down</span>
+<span id="L364" class="LineNr">364 </span><span class="muComment"># to pixels for a real screen</span>
+<span id="L365" class="LineNr">365 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L365'>clear-real-screen</a></span> <span class="Delimiter">{</span>
+<span id="L366" class="LineNr">366 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L367" class="LineNr">367 </span>  <span class="Delimiter">{</span>
+<span id="L368" class="LineNr">368 </span>    compare y, <span class="Constant">0x300</span>/screen-height=<span class="Constant">768</span>
+<span id="L369" class="LineNr">369 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L370" class="LineNr">370 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L371" class="LineNr">371 </span>    <span class="Delimiter">{</span>
+<span id="L372" class="LineNr">372 </span>      compare x, <span class="Constant">0x400</span>/screen-width=<span class="Constant">1024</span>
+<span id="L373" class="LineNr">373 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L374" class="LineNr">374 </span>      <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, <span class="Constant">0</span>/color=black
+<span id="L375" class="LineNr">375 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L376" class="LineNr">376 </span>      <span class="PreProc">loop</span>
+<span id="L377" class="LineNr">377 </span>    <span class="Delimiter">}</span>
+<span id="L378" class="LineNr">378 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L379" class="LineNr">379 </span>    <span class="PreProc">loop</span>
+<span id="L380" class="LineNr">380 </span>  <span class="Delimiter">}</span>
+<span id="L381" class="LineNr">381 </span><span class="Delimiter">}</span>
+<span id="L382" class="LineNr">382 </span>
+<span id="L383" class="LineNr">383 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L383'>clear-rect-on-real-screen</a></span> xmin: int, ymin: int, xmax: int, ymax: int, background-color: int <span class="Delimiter">{</span>
+<span id="L384" class="LineNr">384 </span>  <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L385" class="LineNr">385 </span>  y <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L386" class="LineNr">386 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymax
+<span id="L387" class="LineNr">387 </span>  ymax <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L388" class="LineNr">388 </span>  <span class="Delimiter">{</span>
+<span id="L389" class="LineNr">389 </span>    compare y, ymax
+<span id="L390" class="LineNr">390 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L391" class="LineNr">391 </span>    <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L392" class="LineNr">392 </span>    x <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L393" class="LineNr">393 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy xmax
+<span id="L394" class="LineNr">394 </span>    xmax <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L395" class="LineNr">395 </span>    <span class="Delimiter">{</span>
+<span id="L396" class="LineNr">396 </span>      compare x, xmax
+<span id="L397" class="LineNr">397 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L398" class="LineNr">398 </span>      <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, background-color
+<span id="L399" class="LineNr">399 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L400" class="LineNr">400 </span>      <span class="PreProc">loop</span>
+<span id="L401" class="LineNr">401 </span>    <span class="Delimiter">}</span>
+<span id="L402" class="LineNr">402 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L403" class="LineNr">403 </span>    <span class="PreProc">loop</span>
+<span id="L404" class="LineNr">404 </span>  <span class="Delimiter">}</span>
+<span id="L405" class="LineNr">405 </span><span class="Delimiter">}</span>
+<span id="L406" class="LineNr">406 </span>
+<span id="L407" class="LineNr">407 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L407'>screen-grapheme-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
+<span id="L408" class="LineNr">408 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L409" class="LineNr">409 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L410" class="LineNr">410 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L414'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L411" class="LineNr">411 </span>  <span class="PreProc">return</span> result
+<span id="L412" class="LineNr">412 </span><span class="Delimiter">}</span>
+<span id="L413" class="LineNr">413 </span>
+<span id="L414" class="LineNr">414 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L414'>screen-grapheme-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
+<span id="L415" class="LineNr">415 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L416" class="LineNr">416 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
+<span id="L417" class="LineNr">417 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L418" class="LineNr">418 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
+<span id="L419" class="LineNr">419 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
+<span id="L420" class="LineNr">420 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
+<span id="L421" class="LineNr">421 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr grapheme) <span class="Special">&lt;-</span> get cell, data
+<span id="L422" class="LineNr">422 </span>  <span class="PreProc">return</span> *src
+<span id="L423" class="LineNr">423 </span><span class="Delimiter">}</span>
+<span id="L424" class="LineNr">424 </span>
+<span id="L425" class="LineNr">425 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L425'>screen-color-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L426" class="LineNr">426 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L427" class="LineNr">427 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L428" class="LineNr">428 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L432'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L429" class="LineNr">429 </span>  <span class="PreProc">return</span> result
+<span id="L430" class="LineNr">430 </span><span class="Delimiter">}</span>
+<span id="L431" class="LineNr">431 </span>
+<span id="L432" class="LineNr">432 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L432'>screen-color-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L433" class="LineNr">433 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L434" class="LineNr">434 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
+<span id="L435" class="LineNr">435 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L436" class="LineNr">436 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
+<span id="L437" class="LineNr">437 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
+<span id="L438" class="LineNr">438 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
+<span id="L439" class="LineNr">439 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get cell, color
+<span id="L440" class="LineNr">440 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *src
+<span id="L441" class="LineNr">441 </span>  <span class="PreProc">return</span> result
+<span id="L442" class="LineNr">442 </span><span class="Delimiter">}</span>
+<span id="L443" class="LineNr">443 </span>
+<span id="L444" class="LineNr">444 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L444'>screen-background-color-at</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L445" class="LineNr">445 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L446" class="LineNr">446 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L120'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L447" class="LineNr">447 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L451'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L448" class="LineNr">448 </span>  <span class="PreProc">return</span> result
+<span id="L449" class="LineNr">449 </span><span class="Delimiter">}</span>
+<span id="L450" class="LineNr">450 </span>
+<span id="L451" class="LineNr">451 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L451'>screen-background-color-at-idx</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), idx-on-stack: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L452" class="LineNr">452 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L453" class="LineNr">453 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, data
+<span id="L454" class="LineNr">454 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L455" class="LineNr">455 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy idx-on-stack
+<span id="L456" class="LineNr">456 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, idx
+<span id="L457" class="LineNr">457 </span>  <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
+<span id="L458" class="LineNr">458 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get cell, background-color
+<span id="L459" class="LineNr">459 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *src
+<span id="L460" class="LineNr">460 </span>  <span class="PreProc">return</span> result
+<span id="L461" class="LineNr">461 </span><span class="Delimiter">}</span>
+<span id="L462" class="LineNr">462 </span>
+<span id="L463" class="LineNr">463 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L463'>pixel</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int, color: int <span class="Delimiter">{</span>
+<span id="L464" class="LineNr">464 </span>  <span class="Delimiter">{</span>
+<span id="L465" class="LineNr">465 </span>    compare <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>
+<span id="L466" class="LineNr">466 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L467" class="LineNr">467 </span>    <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, color
+<span id="L468" class="LineNr">468 </span>    <span class="PreProc">return</span>
+<span id="L469" class="LineNr">469 </span>  <span class="Delimiter">}</span>
+<span id="L470" class="LineNr">470 </span>  <span class="muComment"># fake screen</span>
+<span id="L471" class="LineNr">471 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L472" class="LineNr">472 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
+<span id="L473" class="LineNr">473 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
+<span id="L474" class="LineNr">474 </span>  <span class="Delimiter">{</span>
+<span id="L475" class="LineNr">475 </span>    compare pixels, <span class="Constant">0</span>
+<span id="L476" class="LineNr">476 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L477" class="LineNr">477 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;pixel graphics not enabled for this screen&quot;</span>
+<span id="L478" class="LineNr">478 </span>  <span class="Delimiter">}</span>
+<span id="L479" class="LineNr">479 </span>  <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L485'>pixel-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
+<span id="L480" class="LineNr">480 </span>  <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
+<span id="L481" class="LineNr">481 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> copy-byte color
+<span id="L482" class="LineNr">482 </span>  copy-byte-to *dest, src
+<span id="L483" class="LineNr">483 </span><span class="Delimiter">}</span>
+<span id="L484" class="LineNr">484 </span>
+<span id="L485" class="LineNr">485 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L485'>pixel-index</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L486" class="LineNr">486 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L487" class="LineNr">487 </span>  <span class="Delimiter">{</span>
+<span id="L488" class="LineNr">488 </span>    compare x, <span class="Constant">0</span>
+<span id="L489" class="LineNr">489 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L490" class="LineNr">490 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative x&quot;</span>
+<span id="L491" class="LineNr">491 </span>  <span class="Delimiter">}</span>
+<span id="L492" class="LineNr">492 </span>  <span class="Delimiter">{</span>
+<span id="L493" class="LineNr">493 </span>    <span class="PreProc">var</span> xmax-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L494" class="LineNr">494 </span>    <span class="PreProc">var</span> xmax/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *xmax-a
+<span id="L495" class="LineNr">495 </span>    xmax <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L496" class="LineNr">496 </span>    compare x, xmax
+<span id="L497" class="LineNr">497 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L498" class="LineNr">498 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: x too high&quot;</span>
+<span id="L499" class="LineNr">499 </span>  <span class="Delimiter">}</span>
+<span id="L500" class="LineNr">500 </span>  <span class="Delimiter">{</span>
+<span id="L501" class="LineNr">501 </span>    compare y, <span class="Constant">0</span>
+<span id="L502" class="LineNr">502 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L503" class="LineNr">503 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: negative y&quot;</span>
+<span id="L504" class="LineNr">504 </span>  <span class="Delimiter">}</span>
+<span id="L505" class="LineNr">505 </span>  <span class="Delimiter">{</span>
+<span id="L506" class="LineNr">506 </span>    <span class="PreProc">var</span> ymax-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L507" class="LineNr">507 </span>    <span class="PreProc">var</span> ymax/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *ymax-a
+<span id="L508" class="LineNr">508 </span>    ymax <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L509" class="LineNr">509 </span>    compare y, ymax
+<span id="L510" class="LineNr">510 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L511" class="LineNr">511 </span>    <a href='317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;screen-cell-index: y too high&quot;</span>
+<span id="L512" class="LineNr">512 </span>  <span class="Delimiter">}</span>
+<span id="L513" class="LineNr">513 </span>  <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L514" class="LineNr">514 </span>  <span class="PreProc">var</span> result/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L515" class="LineNr">515 </span>  result <span class="Special">&lt;-</span> multiply *width-addr
+<span id="L516" class="LineNr">516 </span>  result <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L517" class="LineNr">517 </span>  result <span class="Special">&lt;-</span> add x
+<span id="L518" class="LineNr">518 </span>  <span class="PreProc">return</span> result
+<span id="L519" class="LineNr">519 </span><span class="Delimiter">}</span>
+<span id="L520" class="LineNr">520 </span>
+<span id="L521" class="LineNr">521 </span><span class="muComment"># double-buffering primitive</span>
+<span id="L522" class="LineNr">522 </span><span class="muComment"># 'screen' must be a fake screen. 'target-screen' is usually real.</span>
+<span id="L523" class="LineNr">523 </span><span class="muComment"># Both screens must have the same size.</span>
+<span id="L524" class="LineNr">524 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500fake-screen.mu.html#L524'>copy-pixels</a></span> _screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), target-screen: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
+<span id="L525" class="LineNr">525 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
+<span id="L526" class="LineNr">526 </span>  <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, pixels
+<span id="L527" class="LineNr">527 </span>  <span class="PreProc">var</span> _pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *pixels-ah
+<span id="L528" class="LineNr">528 </span>  <span class="PreProc">var</span> pixels/<span class="Constant">edi</span>: (addr array byte) <span class="Special">&lt;-</span> copy _pixels
+<span id="L529" class="LineNr">529 </span>  <span class="PreProc">var</span> width-a/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, width
+<span id="L530" class="LineNr">530 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-a
+<span id="L531" class="LineNr">531 </span>  width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L532" class="LineNr">532 </span>  <span class="PreProc">var</span> height-a/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='500fake-screen.mu.html#L14'>screen</a>, height
+<span id="L533" class="LineNr">533 </span>  <span class="PreProc">var</span> height/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *height-a
+<span id="L534" class="LineNr">534 </span>  height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L535" class="LineNr">535 </span>  <span class="PreProc">var</span> i/<span class="Constant">esi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L536" class="LineNr">536 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L537" class="LineNr">537 </span>  <span class="Delimiter">{</span>
+<span id="L538" class="LineNr">538 </span>    <span class="muComment"># screen top left pixels x y width height</span>
+<span id="L539" class="LineNr">539 </span>    compare y, height
+<span id="L540" class="LineNr">540 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L541" class="LineNr">541 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L542" class="LineNr">542 </span>    <span class="Delimiter">{</span>
+<span id="L543" class="LineNr">543 </span>      compare x, width
+<span id="L544" class="LineNr">544 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L545" class="LineNr">545 </span>      <span class="Delimiter">{</span>
+<span id="L546" class="LineNr">546 </span>        <span class="PreProc">var</span> color-addr/<span class="Constant">ebx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, i
+<span id="L547" class="LineNr">547 </span>        <span class="PreProc">var</span> color/<span class="Constant">ebx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
+<span id="L548" class="LineNr">548 </span>        <span class="PreProc">var</span> color2/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy color
+<span id="L549" class="LineNr">549 </span>        <a href='500fake-screen.mu.html#L463'>pixel</a> target-screen, x, y, color2
+<span id="L550" class="LineNr">550 </span>      <span class="Delimiter">}</span>
+<span id="L551" class="LineNr">551 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L552" class="LineNr">552 </span>      i <span class="Special">&lt;-</span> increment
+<span id="L553" class="LineNr">553 </span>      <span class="PreProc">loop</span>
+<span id="L554" class="LineNr">554 </span>    <span class="Delimiter">}</span>
+<span id="L555" class="LineNr">555 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L556" class="LineNr">556 </span>    <span class="PreProc">loop</span>
+<span id="L557" class="LineNr">557 </span>  <span class="Delimiter">}</span>
+<span id="L558" class="LineNr">558 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/501draw-text.mu.html b/html/501draw-text.mu.html
index 0e951a27..547c338c 100644
--- a/html/501draw-text.mu.html
+++ b/html/501draw-text.mu.html
@@ -61,14 +61,14 @@ if ('onhashchange' in window) {
 <span id="L3" class="LineNr">  3 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L3'>move-cursor-left</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
 <span id="L4" class="LineNr">  4 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L5" class="LineNr">  5 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L6" class="LineNr">  6 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L6" class="LineNr">  6 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L7" class="LineNr">  7 </span>  compare cursor-x, <span class="Constant">0</span>
 <span id="L8" class="LineNr">  8 </span>  <span class="Delimiter">{</span>
 <span id="L9" class="LineNr">  9 </span>    <span class="PreProc">break-if-&gt;</span>
 <span id="L10" class="LineNr"> 10 </span>    <span class="PreProc">return</span>
 <span id="L11" class="LineNr"> 11 </span>  <span class="Delimiter">}</span>
 <span id="L12" class="LineNr"> 12 </span>  cursor-x <span class="Special">&lt;-</span> decrement
-<span id="L13" class="LineNr"> 13 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L13" class="LineNr"> 13 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">}</span>
 <span id="L15" class="LineNr"> 15 </span>
 <span id="L16" class="LineNr"> 16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L16'>move-cursor-right</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
@@ -79,27 +79,27 @@ if ('onhashchange' in window) {
 <span id="L21" class="LineNr"> 21 </span>  limit <span class="Special">&lt;-</span> decrement
 <span id="L22" class="LineNr"> 22 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L23" class="LineNr"> 23 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L24" class="LineNr"> 24 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L24" class="LineNr"> 24 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L25" class="LineNr"> 25 </span>  compare cursor-x, limit
 <span id="L26" class="LineNr"> 26 </span>  <span class="Delimiter">{</span>
 <span id="L27" class="LineNr"> 27 </span>    <span class="PreProc">break-if-&lt;</span>
 <span id="L28" class="LineNr"> 28 </span>    <span class="PreProc">return</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
 <span id="L30" class="LineNr"> 30 </span>  cursor-x <span class="Special">&lt;-</span> increment
-<span id="L31" class="LineNr"> 31 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L31" class="LineNr"> 31 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L32" class="LineNr"> 32 </span><span class="Delimiter">}</span>
 <span id="L33" class="LineNr"> 33 </span>
 <span id="L34" class="LineNr"> 34 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L34'>move-cursor-up</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L37" class="LineNr"> 37 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L37" class="LineNr"> 37 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L38" class="LineNr"> 38 </span>  compare cursor-y, <span class="Constant">0</span>
 <span id="L39" class="LineNr"> 39 </span>  <span class="Delimiter">{</span>
 <span id="L40" class="LineNr"> 40 </span>    <span class="PreProc">break-if-&gt;</span>
 <span id="L41" class="LineNr"> 41 </span>    <span class="PreProc">return</span>
 <span id="L42" class="LineNr"> 42 </span>  <span class="Delimiter">}</span>
 <span id="L43" class="LineNr"> 43 </span>  cursor-y <span class="Special">&lt;-</span> decrement
-<span id="L44" class="LineNr"> 44 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L44" class="LineNr"> 44 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L45" class="LineNr"> 45 </span><span class="Delimiter">}</span>
 <span id="L46" class="LineNr"> 46 </span>
 <span id="L47" class="LineNr"> 47 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L47'>move-cursor-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
@@ -110,14 +110,14 @@ if ('onhashchange' in window) {
 <span id="L52" class="LineNr"> 52 </span>  limit <span class="Special">&lt;-</span> decrement
 <span id="L53" class="LineNr"> 53 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L54" class="LineNr"> 54 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L55" class="LineNr"> 55 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L55" class="LineNr"> 55 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L56" class="LineNr"> 56 </span>  compare cursor-y, limit
 <span id="L57" class="LineNr"> 57 </span>  <span class="Delimiter">{</span>
 <span id="L58" class="LineNr"> 58 </span>    <span class="PreProc">break-if-&lt;</span>
 <span id="L59" class="LineNr"> 59 </span>    <span class="PreProc">return</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Delimiter">}</span>
 <span id="L61" class="LineNr"> 61 </span>  cursor-y <span class="Special">&lt;-</span> increment
-<span id="L62" class="LineNr"> 62 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L62" class="LineNr"> 62 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L63" class="LineNr"> 63 </span><span class="Delimiter">}</span>
 <span id="L64" class="LineNr"> 64 </span>
 <span id="L65" class="LineNr"> 65 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
@@ -128,7 +128,7 @@ if ('onhashchange' in window) {
 <span id="L70" class="LineNr"> 70 </span>  limit <span class="Special">&lt;-</span> decrement
 <span id="L71" class="LineNr"> 71 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L73" class="LineNr"> 73 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L73" class="LineNr"> 73 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L74" class="LineNr"> 74 </span>  compare cursor-y, limit
 <span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">{</span>
 <span id="L76" class="LineNr"> 76 </span>    <span class="PreProc">break-if-&lt;</span>
@@ -136,13 +136,13 @@ if ('onhashchange' in window) {
 <span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">}</span>
 <span id="L79" class="LineNr"> 79 </span>  cursor-y <span class="Special">&lt;-</span> increment
 <span id="L80" class="LineNr"> 80 </span>  cursor-x <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L81" class="LineNr"> 81 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L81" class="LineNr"> 81 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
 <span id="L83" class="LineNr"> 83 </span>
 <span id="L84" class="LineNr"> 84 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), g: grapheme, color: int, background-color: int <span class="Delimiter">{</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L87" class="LineNr"> 87 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L87" class="LineNr"> 87 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L88" class="LineNr"> 88 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, cursor-x, cursor-y, color, background-color
 <span id="L89" class="LineNr"> 89 </span><span class="Delimiter">}</span>
 <span id="L90" class="LineNr"> 90 </span>
@@ -156,7 +156,7 @@ if ('onhashchange' in window) {
 <span id="L98" class="LineNr"> 98 </span><span class="muComment"># return the next 'x' coordinate</span>
 <span id="L99" class="LineNr"> 99 </span><span class="muComment"># if there isn't enough space, truncate</span>
 <span id="L100" class="LineNr">100 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L100'>draw-text-rightward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, xmax: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x200</span>/print-buffer-size)
 <span id="L102" class="LineNr">102 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
 <span id="L103" class="LineNr">103 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
 <span id="L104" class="LineNr">104 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L111'>draw-stream-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, x, xmax, y, color, background-color
@@ -176,7 +176,7 @@ if ('onhashchange' in window) {
 <span id="L118" class="LineNr">118 </span>    xcurr <span class="Special">&lt;-</span> increment
 <span id="L119" class="LineNr">119 </span>    <span class="PreProc">loop</span>
 <span id="L120" class="LineNr">120 </span>  <span class="Delimiter">}</span>
-<span id="L121" class="LineNr">121 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, y
+<span id="L121" class="LineNr">121 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, y
 <span id="L122" class="LineNr">122 </span>  <span class="PreProc">return</span> xcurr
 <span id="L123" class="LineNr">123 </span><span class="Delimiter">}</span>
 <span id="L124" class="LineNr">124 </span>
@@ -191,348 +191,369 @@ if ('onhashchange' in window) {
 <span id="L133" class="LineNr">133 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmax: int, color: int, background-color: int <span class="Delimiter">{</span>
 <span id="L134" class="LineNr">134 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L136" class="LineNr">136 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L136" class="LineNr">136 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L137" class="LineNr">137 </span>  cursor-x <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, cursor-x, xmax, cursor-y, color, background-color
-<span id="L138" class="LineNr">138 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L138" class="LineNr">138 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
 <span id="L139" class="LineNr">139 </span><span class="Delimiter">}</span>
 <span id="L140" class="LineNr">140 </span>
-<span id="L141" class="LineNr">141 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L141'>render-grapheme</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), g: grapheme, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L142" class="LineNr">142 </span>  compare g, <span class="Constant">0xa</span>/newline
-<span id="L143" class="LineNr">143 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L144" class="LineNr">144 </span>  <span class="Delimiter">{</span>
-<span id="L145" class="LineNr">145 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L146" class="LineNr">146 </span>    <span class="muComment"># minimum effort to clear cursor</span>
-<span id="L147" class="LineNr">147 </span>    <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, color, background-color
-<span id="L148" class="LineNr">148 </span>    x <span class="Special">&lt;-</span> copy xmin
-<span id="L149" class="LineNr">149 </span>    increment y
-<span id="L150" class="LineNr">150 </span>    <span class="PreProc">return</span> x, y
-<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">}</span>
-<span id="L152" class="LineNr">152 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, x, y, color, background-color
-<span id="L153" class="LineNr">153 </span>  x <span class="Special">&lt;-</span> increment
-<span id="L154" class="LineNr">154 </span>  compare x, xmax
-<span id="L155" class="LineNr">155 </span>  <span class="Delimiter">{</span>
-<span id="L156" class="LineNr">156 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L157" class="LineNr">157 </span>    x <span class="Special">&lt;-</span> copy xmin
-<span id="L158" class="LineNr">158 </span>    increment y
-<span id="L159" class="LineNr">159 </span>  <span class="Delimiter">}</span>
-<span id="L160" class="LineNr">160 </span>  <span class="PreProc">return</span> x, y
-<span id="L161" class="LineNr">161 </span><span class="Delimiter">}</span>
-<span id="L162" class="LineNr">162 </span>
-<span id="L163" class="LineNr">163 </span><span class="muComment"># draw text in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
-<span id="L164" class="LineNr">164 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
-<span id="L165" class="LineNr">165 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
-<span id="L166" class="LineNr">166 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L167" class="LineNr">167 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L168" class="LineNr">168 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L169" class="LineNr">169 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L170" class="LineNr">170 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
-<span id="L171" class="LineNr">171 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy _x
-<span id="L172" class="LineNr">172 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
-<span id="L173" class="LineNr">173 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L181'>draw-stream-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, x, y, color, background-color
-<span id="L174" class="LineNr">174 </span>  <span class="PreProc">return</span> x, y
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">}</span>
-<span id="L176" class="LineNr">176 </span>
-<span id="L177" class="LineNr">177 </span><span class="muComment"># draw a stream in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
-<span id="L178" class="LineNr">178 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
-<span id="L179" class="LineNr">179 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
-<span id="L180" class="LineNr">180 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L181" class="LineNr">181 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L181'>draw-stream-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L182" class="LineNr">182 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L183" class="LineNr">183 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L184" class="LineNr">184 </span>  <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L185" class="LineNr">185 </span>  <span class="Delimiter">{</span>
-<span id="L186" class="LineNr">186 </span>    <span class="Delimiter">{</span>
-<span id="L187" class="LineNr">187 </span>      <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
-<span id="L188" class="LineNr">188 </span>      g <span class="Special">&lt;-</span> copy _g
-<span id="L189" class="LineNr">189 </span>    <span class="Delimiter">}</span>
-<span id="L190" class="LineNr">190 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
-<span id="L191" class="LineNr">191 </span>    <span class="PreProc">break-if-=</span>
-<span id="L192" class="LineNr">192 </span>    xcurr, ycurr <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L141'>render-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xmin, ymin, xmax, ymax, xcurr, ycurr, color, background-color
-<span id="L193" class="LineNr">193 </span>    <span class="PreProc">loop</span>
-<span id="L194" class="LineNr">194 </span>  <span class="Delimiter">}</span>
-<span id="L195" class="LineNr">195 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
-<span id="L196" class="LineNr">196 </span>  <span class="PreProc">return</span> xcurr, ycurr
-<span id="L197" class="LineNr">197 </span><span class="Delimiter">}</span>
-<span id="L198" class="LineNr">198 </span>
-<span id="L199" class="LineNr">199 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L199'>draw-stream-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L200" class="LineNr">200 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L201" class="LineNr">201 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L202" class="LineNr">202 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L203" class="LineNr">203 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
-<span id="L204" class="LineNr">204 </span>  end-x <span class="Special">&lt;-</span> increment
-<span id="L205" class="LineNr">205 </span>  compare end-x, xmax
+<span id="L141" class="LineNr">141 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L141'>draw-text-rightward-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L142" class="LineNr">142 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L143" class="LineNr">143 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L144" class="LineNr">144 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L145" class="LineNr">145 </span>  <a href='501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, width, color, background-color
+<span id="L146" class="LineNr">146 </span><span class="Delimiter">}</span>
+<span id="L147" class="LineNr">147 </span>
+<span id="L148" class="LineNr">148 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L148'>render-grapheme</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), g: grapheme, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L149" class="LineNr">149 </span>  compare g, <span class="Constant">0xa</span>/newline
+<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L153" class="LineNr">153 </span>    <span class="muComment"># minimum effort to clear cursor</span>
+<span id="L154" class="LineNr">154 </span>    <a href='500fake-screen.mu.html#L114'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, x, y, color, background-color
+<span id="L155" class="LineNr">155 </span>    x <span class="Special">&lt;-</span> copy xmin
+<span id="L156" class="LineNr">156 </span>    increment y
+<span id="L157" class="LineNr">157 </span>    <span class="PreProc">return</span> x, y
+<span id="L158" class="LineNr">158 </span>  <span class="Delimiter">}</span>
+<span id="L159" class="LineNr">159 </span>  <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, x, y, color, background-color
+<span id="L160" class="LineNr">160 </span>  x <span class="Special">&lt;-</span> increment
+<span id="L161" class="LineNr">161 </span>  compare x, xmax
+<span id="L162" class="LineNr">162 </span>  <span class="Delimiter">{</span>
+<span id="L163" class="LineNr">163 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L164" class="LineNr">164 </span>    x <span class="Special">&lt;-</span> copy xmin
+<span id="L165" class="LineNr">165 </span>    increment y
+<span id="L166" class="LineNr">166 </span>  <span class="Delimiter">}</span>
+<span id="L167" class="LineNr">167 </span>  <span class="PreProc">return</span> x, y
+<span id="L168" class="LineNr">168 </span><span class="Delimiter">}</span>
+<span id="L169" class="LineNr">169 </span>
+<span id="L170" class="LineNr">170 </span><span class="muComment"># draw text in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
+<span id="L171" class="LineNr">171 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
+<span id="L172" class="LineNr">172 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
+<span id="L173" class="LineNr">173 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L174" class="LineNr">174 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), _text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L175" class="LineNr">175 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x200</span>/print-buffer-size)  <span class="muComment"># 4 rows of text = 1/12th of a real screen</span>
+<span id="L176" class="LineNr">176 </span>                                                             <span class="muComment"># fake screens unlikely to be larger</span>
+<span id="L177" class="LineNr">177 </span>                                                             <span class="muComment"># so this seems a reasonable size</span>
+<span id="L178" class="LineNr">178 </span>                                                             <span class="muComment"># allocated on the stack, so quickly reclaimed</span>
+<span id="L179" class="LineNr">179 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L180" class="LineNr">180 </span>  <span class="PreProc">var</span> text/<span class="Constant">esi</span>: (addr array byte) <span class="Special">&lt;-</span> copy _text
+<span id="L181" class="LineNr">181 </span>  <span class="PreProc">var</span> len/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> length text
+<span id="L182" class="LineNr">182 </span>  compare len, <span class="Constant">0x200</span>
+<span id="L183" class="LineNr">183 </span>  <span class="Delimiter">{</span>
+<span id="L184" class="LineNr">184 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L185" class="LineNr">185 </span>    <a href='108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;ERROR: stream too small in draw-text-wrapping-right-then-down&quot;</span>
+<span id="L186" class="LineNr">186 </span>  <span class="Delimiter">}</span>
+<span id="L187" class="LineNr">187 </span>  compare len, <span class="Constant">0x200</span>
+<span id="L188" class="LineNr">188 </span>  <span class="Delimiter">{</span>
+<span id="L189" class="LineNr">189 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L190" class="LineNr">190 </span>    <a href='108write.subx.html#L11'>write</a> stream, text
+<span id="L191" class="LineNr">191 </span>  <span class="Delimiter">}</span>
+<span id="L192" class="LineNr">192 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy _x
+<span id="L193" class="LineNr">193 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
+<span id="L194" class="LineNr">194 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L202'>draw-stream-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, x, y, color, background-color
+<span id="L195" class="LineNr">195 </span>  <span class="PreProc">return</span> x, y
+<span id="L196" class="LineNr">196 </span><span class="Delimiter">}</span>
+<span id="L197" class="LineNr">197 </span>
+<span id="L198" class="LineNr">198 </span><span class="muComment"># draw a stream in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
+<span id="L199" class="LineNr">199 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
+<span id="L200" class="LineNr">200 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
+<span id="L201" class="LineNr">201 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L202" class="LineNr">202 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L202'>draw-stream-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L203" class="LineNr">203 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L204" class="LineNr">204 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L205" class="LineNr">205 </span>  <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Delimiter">{</span>
-<span id="L207" class="LineNr">207 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L208" class="LineNr">208 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
-<span id="L209" class="LineNr">209 </span>    cursor-y <span class="Special">&lt;-</span> increment
-<span id="L210" class="LineNr">210 </span>  <span class="Delimiter">}</span>
-<span id="L211" class="LineNr">211 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L181'>draw-stream-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
-<span id="L212" class="LineNr">212 </span><span class="Delimiter">}</span>
-<span id="L213" class="LineNr">213 </span>
-<span id="L214" class="LineNr">214 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L214'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L216" class="LineNr">216 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L217" class="LineNr">217 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L218" class="LineNr">218 </span>  <a href='501draw-text.mu.html#L199'>draw-stream-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
-<span id="L219" class="LineNr">219 </span><span class="Delimiter">}</span>
-<span id="L220" class="LineNr">220 </span>
-<span id="L221" class="LineNr">221 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), xmin: int, xmax: int <span class="Delimiter">{</span>
-<span id="L222" class="LineNr">222 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L223" class="LineNr">223 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L224" class="LineNr">224 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L225" class="LineNr">225 </span>  cursor-x <span class="Special">&lt;-</span> increment
-<span id="L226" class="LineNr">226 </span>  compare cursor-x, xmax
+<span id="L207" class="LineNr">207 </span>    <span class="Delimiter">{</span>
+<span id="L208" class="LineNr">208 </span>      <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
+<span id="L209" class="LineNr">209 </span>      g <span class="Special">&lt;-</span> copy _g
+<span id="L210" class="LineNr">210 </span>    <span class="Delimiter">}</span>
+<span id="L211" class="LineNr">211 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L212" class="LineNr">212 </span>    <span class="PreProc">break-if-=</span>
+<span id="L213" class="LineNr">213 </span>    xcurr, ycurr <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L148'>render-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xmin, ymin, xmax, ymax, xcurr, ycurr, color, background-color
+<span id="L214" class="LineNr">214 </span>    <span class="PreProc">loop</span>
+<span id="L215" class="LineNr">215 </span>  <span class="Delimiter">}</span>
+<span id="L216" class="LineNr">216 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
+<span id="L217" class="LineNr">217 </span>  <span class="PreProc">return</span> xcurr, ycurr
+<span id="L218" class="LineNr">218 </span><span class="Delimiter">}</span>
+<span id="L219" class="LineNr">219 </span>
+<span id="L220" class="LineNr">220 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L220'>draw-stream-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L221" class="LineNr">221 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L222" class="LineNr">222 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L223" class="LineNr">223 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L224" class="LineNr">224 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
+<span id="L225" class="LineNr">225 </span>  end-x <span class="Special">&lt;-</span> increment
+<span id="L226" class="LineNr">226 </span>  compare end-x, xmax
 <span id="L227" class="LineNr">227 </span>  <span class="Delimiter">{</span>
 <span id="L228" class="LineNr">228 </span>    <span class="PreProc">break-if-&lt;</span>
 <span id="L229" class="LineNr">229 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
 <span id="L230" class="LineNr">230 </span>    cursor-y <span class="Special">&lt;-</span> increment
 <span id="L231" class="LineNr">231 </span>  <span class="Delimiter">}</span>
-<span id="L232" class="LineNr">232 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L232" class="LineNr">232 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L202'>draw-stream-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
 <span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span>
 <span id="L234" class="LineNr">234 </span>
-<span id="L235" class="LineNr">235 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L235'>draw-text-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L236" class="LineNr">236 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L237" class="LineNr">237 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L238" class="LineNr">238 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
-<span id="L239" class="LineNr">239 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
-<span id="L240" class="LineNr">240 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
-<span id="L241" class="LineNr">241 </span><span class="Delimiter">}</span>
-<span id="L242" class="LineNr">242 </span>
-<span id="L243" class="LineNr">243 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L243'>draw-text-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L244" class="LineNr">244 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L245" class="LineNr">245 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L246" class="LineNr">246 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L247" class="LineNr">247 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
-<span id="L248" class="LineNr">248 </span>  end-x <span class="Special">&lt;-</span> increment
-<span id="L249" class="LineNr">249 </span>  compare end-x, xmax
-<span id="L250" class="LineNr">250 </span>  <span class="Delimiter">{</span>
-<span id="L251" class="LineNr">251 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L252" class="LineNr">252 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
-<span id="L253" class="LineNr">253 </span>    cursor-y <span class="Special">&lt;-</span> increment
-<span id="L254" class="LineNr">254 </span>  <span class="Delimiter">}</span>
-<span id="L255" class="LineNr">255 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
-<span id="L256" class="LineNr">256 </span><span class="Delimiter">}</span>
-<span id="L257" class="LineNr">257 </span>
-<span id="L258" class="LineNr">258 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L259" class="LineNr">259 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L260" class="LineNr">260 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L261" class="LineNr">261 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L262" class="LineNr">262 </span>  <a href='501draw-text.mu.html#L243'>draw-text-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
-<span id="L263" class="LineNr">263 </span><span class="Delimiter">}</span>
-<span id="L264" class="LineNr">264 </span>
-<span id="L265" class="LineNr">265 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L265'>draw-int32-hex-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L266" class="LineNr">266 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L267" class="LineNr">267 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L268" class="LineNr">268 </span>  <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, n
-<span id="L269" class="LineNr">269 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L270" class="LineNr">270 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L235" class="LineNr">235 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L235'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L236" class="LineNr">236 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L237" class="LineNr">237 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L238" class="LineNr">238 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L239" class="LineNr">239 </span>  <a href='501draw-text.mu.html#L220'>draw-stream-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
+<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
+<span id="L241" class="LineNr">241 </span>
+<span id="L242" class="LineNr">242 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), xmin: int, xmax: int <span class="Delimiter">{</span>
+<span id="L243" class="LineNr">243 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L244" class="LineNr">244 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L245" class="LineNr">245 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L246" class="LineNr">246 </span>  cursor-x <span class="Special">&lt;-</span> increment
+<span id="L247" class="LineNr">247 </span>  compare cursor-x, xmax
+<span id="L248" class="LineNr">248 </span>  <span class="Delimiter">{</span>
+<span id="L249" class="LineNr">249 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L250" class="LineNr">250 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
+<span id="L251" class="LineNr">251 </span>    cursor-y <span class="Special">&lt;-</span> increment
+<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
+<span id="L253" class="LineNr">253 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, cursor-x, cursor-y
+<span id="L254" class="LineNr">254 </span><span class="Delimiter">}</span>
+<span id="L255" class="LineNr">255 </span>
+<span id="L256" class="LineNr">256 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L256'>draw-text-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L257" class="LineNr">257 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L258" class="LineNr">258 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L259" class="LineNr">259 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
+<span id="L260" class="LineNr">260 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
+<span id="L261" class="LineNr">261 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
+<span id="L262" class="LineNr">262 </span><span class="Delimiter">}</span>
+<span id="L263" class="LineNr">263 </span>
+<span id="L264" class="LineNr">264 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L264'>draw-text-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L265" class="LineNr">265 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L266" class="LineNr">266 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L267" class="LineNr">267 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L268" class="LineNr">268 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
+<span id="L269" class="LineNr">269 </span>  end-x <span class="Special">&lt;-</span> increment
+<span id="L270" class="LineNr">270 </span>  compare end-x, xmax
 <span id="L271" class="LineNr">271 </span>  <span class="Delimiter">{</span>
-<span id="L272" class="LineNr">272 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
-<span id="L273" class="LineNr">273 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
-<span id="L274" class="LineNr">274 </span>    <span class="PreProc">break-if-=</span>
-<span id="L275" class="LineNr">275 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
-<span id="L276" class="LineNr">276 </span>    xcurr <span class="Special">&lt;-</span> increment
-<span id="L277" class="LineNr">277 </span>    compare xcurr, xmax
-<span id="L278" class="LineNr">278 </span>    <span class="Delimiter">{</span>
-<span id="L279" class="LineNr">279 </span>      <span class="PreProc">break-if-&lt;</span>
-<span id="L280" class="LineNr">280 </span>      xcurr <span class="Special">&lt;-</span> copy xmin
-<span id="L281" class="LineNr">281 </span>      ycurr <span class="Special">&lt;-</span> increment
-<span id="L282" class="LineNr">282 </span>    <span class="Delimiter">}</span>
-<span id="L283" class="LineNr">283 </span>    <span class="PreProc">loop</span>
-<span id="L284" class="LineNr">284 </span>  <span class="Delimiter">}</span>
-<span id="L285" class="LineNr">285 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
-<span id="L286" class="LineNr">286 </span>  <span class="PreProc">return</span> xcurr, ycurr
-<span id="L287" class="LineNr">287 </span><span class="Delimiter">}</span>
-<span id="L288" class="LineNr">288 </span>
-<span id="L289" class="LineNr">289 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L289'>draw-int32-hex-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L290" class="LineNr">290 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L291" class="LineNr">291 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L292" class="LineNr">292 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
-<span id="L293" class="LineNr">293 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L265'>draw-int32-hex-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
-<span id="L294" class="LineNr">294 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
-<span id="L295" class="LineNr">295 </span><span class="Delimiter">}</span>
-<span id="L296" class="LineNr">296 </span>
-<span id="L297" class="LineNr">297 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L297'>draw-int32-hex-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L298" class="LineNr">298 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L299" class="LineNr">299 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L300" class="LineNr">300 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L301" class="LineNr">301 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
-<span id="L302" class="LineNr">302 </span>  end-x <span class="Special">&lt;-</span> increment
-<span id="L303" class="LineNr">303 </span>  compare end-x, xmax
-<span id="L304" class="LineNr">304 </span>  <span class="Delimiter">{</span>
-<span id="L305" class="LineNr">305 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L306" class="LineNr">306 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
-<span id="L307" class="LineNr">307 </span>    cursor-y <span class="Special">&lt;-</span> increment
-<span id="L308" class="LineNr">308 </span>  <span class="Delimiter">}</span>
-<span id="L309" class="LineNr">309 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L265'>draw-int32-hex-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
-<span id="L310" class="LineNr">310 </span><span class="Delimiter">}</span>
-<span id="L311" class="LineNr">311 </span>
-<span id="L312" class="LineNr">312 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L313" class="LineNr">313 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L314" class="LineNr">314 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L315" class="LineNr">315 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L316" class="LineNr">316 </span>  <a href='501draw-text.mu.html#L297'>draw-int32-hex-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
-<span id="L317" class="LineNr">317 </span><span class="Delimiter">}</span>
-<span id="L318" class="LineNr">318 </span>
-<span id="L319" class="LineNr">319 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L319'>draw-int32-decimal-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L320" class="LineNr">320 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L321" class="LineNr">321 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L322" class="LineNr">322 </span>  <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> stream, n
-<span id="L323" class="LineNr">323 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L324" class="LineNr">324 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L272" class="LineNr">272 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L273" class="LineNr">273 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
+<span id="L274" class="LineNr">274 </span>    cursor-y <span class="Special">&lt;-</span> increment
+<span id="L275" class="LineNr">275 </span>  <span class="Delimiter">}</span>
+<span id="L276" class="LineNr">276 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
+<span id="L277" class="LineNr">277 </span><span class="Delimiter">}</span>
+<span id="L278" class="LineNr">278 </span>
+<span id="L279" class="LineNr">279 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L280" class="LineNr">280 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L281" class="LineNr">281 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L282" class="LineNr">282 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L283" class="LineNr">283 </span>  <a href='501draw-text.mu.html#L264'>draw-text-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
+<span id="L284" class="LineNr">284 </span><span class="Delimiter">}</span>
+<span id="L285" class="LineNr">285 </span>
+<span id="L286" class="LineNr">286 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L286'>draw-int32-hex-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L287" class="LineNr">287 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L288" class="LineNr">288 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L289" class="LineNr">289 </span>  <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, n
+<span id="L290" class="LineNr">290 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L291" class="LineNr">291 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L292" class="LineNr">292 </span>  <span class="Delimiter">{</span>
+<span id="L293" class="LineNr">293 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
+<span id="L294" class="LineNr">294 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L295" class="LineNr">295 </span>    <span class="PreProc">break-if-=</span>
+<span id="L296" class="LineNr">296 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
+<span id="L297" class="LineNr">297 </span>    xcurr <span class="Special">&lt;-</span> increment
+<span id="L298" class="LineNr">298 </span>    compare xcurr, xmax
+<span id="L299" class="LineNr">299 </span>    <span class="Delimiter">{</span>
+<span id="L300" class="LineNr">300 </span>      <span class="PreProc">break-if-&lt;</span>
+<span id="L301" class="LineNr">301 </span>      xcurr <span class="Special">&lt;-</span> copy xmin
+<span id="L302" class="LineNr">302 </span>      ycurr <span class="Special">&lt;-</span> increment
+<span id="L303" class="LineNr">303 </span>    <span class="Delimiter">}</span>
+<span id="L304" class="LineNr">304 </span>    <span class="PreProc">loop</span>
+<span id="L305" class="LineNr">305 </span>  <span class="Delimiter">}</span>
+<span id="L306" class="LineNr">306 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
+<span id="L307" class="LineNr">307 </span>  <span class="PreProc">return</span> xcurr, ycurr
+<span id="L308" class="LineNr">308 </span><span class="Delimiter">}</span>
+<span id="L309" class="LineNr">309 </span>
+<span id="L310" class="LineNr">310 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L310'>draw-int32-hex-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L311" class="LineNr">311 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L312" class="LineNr">312 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L313" class="LineNr">313 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
+<span id="L314" class="LineNr">314 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L286'>draw-int32-hex-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
+<span id="L315" class="LineNr">315 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
+<span id="L316" class="LineNr">316 </span><span class="Delimiter">}</span>
+<span id="L317" class="LineNr">317 </span>
+<span id="L318" class="LineNr">318 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L318'>draw-int32-hex-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L319" class="LineNr">319 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L320" class="LineNr">320 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L321" class="LineNr">321 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L322" class="LineNr">322 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
+<span id="L323" class="LineNr">323 </span>  end-x <span class="Special">&lt;-</span> increment
+<span id="L324" class="LineNr">324 </span>  compare end-x, xmax
 <span id="L325" class="LineNr">325 </span>  <span class="Delimiter">{</span>
-<span id="L326" class="LineNr">326 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
-<span id="L327" class="LineNr">327 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
-<span id="L328" class="LineNr">328 </span>    <span class="PreProc">break-if-=</span>
-<span id="L329" class="LineNr">329 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
-<span id="L330" class="LineNr">330 </span>    xcurr <span class="Special">&lt;-</span> increment
-<span id="L331" class="LineNr">331 </span>    compare xcurr, xmax
-<span id="L332" class="LineNr">332 </span>    <span class="Delimiter">{</span>
-<span id="L333" class="LineNr">333 </span>      <span class="PreProc">break-if-&lt;</span>
-<span id="L334" class="LineNr">334 </span>      xcurr <span class="Special">&lt;-</span> copy xmin
-<span id="L335" class="LineNr">335 </span>      ycurr <span class="Special">&lt;-</span> increment
-<span id="L336" class="LineNr">336 </span>    <span class="Delimiter">}</span>
-<span id="L337" class="LineNr">337 </span>    <span class="PreProc">loop</span>
-<span id="L338" class="LineNr">338 </span>  <span class="Delimiter">}</span>
-<span id="L339" class="LineNr">339 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
-<span id="L340" class="LineNr">340 </span>  <span class="PreProc">return</span> xcurr, ycurr
-<span id="L341" class="LineNr">341 </span><span class="Delimiter">}</span>
-<span id="L342" class="LineNr">342 </span>
-<span id="L343" class="LineNr">343 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L343'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L344" class="LineNr">344 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L345" class="LineNr">345 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L346" class="LineNr">346 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
-<span id="L347" class="LineNr">347 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L319'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
-<span id="L348" class="LineNr">348 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
-<span id="L349" class="LineNr">349 </span><span class="Delimiter">}</span>
-<span id="L350" class="LineNr">350 </span>
-<span id="L351" class="LineNr">351 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L351'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L352" class="LineNr">352 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L353" class="LineNr">353 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L354" class="LineNr">354 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L355" class="LineNr">355 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
-<span id="L356" class="LineNr">356 </span>  end-x <span class="Special">&lt;-</span> increment
-<span id="L357" class="LineNr">357 </span>  compare end-x, xmax
-<span id="L358" class="LineNr">358 </span>  <span class="Delimiter">{</span>
-<span id="L359" class="LineNr">359 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L360" class="LineNr">360 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
-<span id="L361" class="LineNr">361 </span>    cursor-y <span class="Special">&lt;-</span> increment
-<span id="L362" class="LineNr">362 </span>  <span class="Delimiter">}</span>
-<span id="L363" class="LineNr">363 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L319'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
-<span id="L364" class="LineNr">364 </span><span class="Delimiter">}</span>
-<span id="L365" class="LineNr">365 </span>
-<span id="L366" class="LineNr">366 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L367" class="LineNr">367 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L368" class="LineNr">368 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L369" class="LineNr">369 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L370" class="LineNr">370 </span>  <a href='501draw-text.mu.html#L351'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
-<span id="L371" class="LineNr">371 </span><span class="Delimiter">}</span>
-<span id="L372" class="LineNr">372 </span>
-<span id="L373" class="LineNr">373 </span><span class="muComment">## Text direction: down then right</span>
-<span id="L374" class="LineNr">374 </span>
-<span id="L375" class="LineNr">375 </span><span class="muComment"># draw a single line of text vertically from x, y to ymax</span>
-<span id="L376" class="LineNr">376 </span><span class="muComment"># return the next 'y' coordinate</span>
-<span id="L377" class="LineNr">377 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L378" class="LineNr">378 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L378'>draw-text-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, ymax: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L379" class="LineNr">379 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L380" class="LineNr">380 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L381" class="LineNr">381 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
-<span id="L382" class="LineNr">382 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L389'>draw-stream-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, x, y, ymax, color, background-color
-<span id="L383" class="LineNr">383 </span>  <span class="PreProc">return</span> ycurr
-<span id="L384" class="LineNr">384 </span><span class="Delimiter">}</span>
-<span id="L385" class="LineNr">385 </span>
-<span id="L386" class="LineNr">386 </span><span class="muComment"># draw a single-line stream vertically from x, y to ymax</span>
-<span id="L387" class="LineNr">387 </span><span class="muComment"># return the next 'y' coordinate</span>
-<span id="L388" class="LineNr">388 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L389" class="LineNr">389 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L389'>draw-stream-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), x: int, y: int, ymax: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L390" class="LineNr">390 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L391" class="LineNr">391 </span>  <span class="Delimiter">{</span>
-<span id="L392" class="LineNr">392 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
-<span id="L393" class="LineNr">393 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
-<span id="L394" class="LineNr">394 </span>    <span class="PreProc">break-if-=</span>
-<span id="L395" class="LineNr">395 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, x, ycurr, color, background-color
-<span id="L396" class="LineNr">396 </span>    ycurr <span class="Special">&lt;-</span> increment
-<span id="L397" class="LineNr">397 </span>    <span class="PreProc">loop</span>
-<span id="L398" class="LineNr">398 </span>  <span class="Delimiter">}</span>
-<span id="L399" class="LineNr">399 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, ycurr
-<span id="L400" class="LineNr">400 </span>  <span class="PreProc">return</span> ycurr
-<span id="L401" class="LineNr">401 </span><span class="Delimiter">}</span>
-<span id="L402" class="LineNr">402 </span>
-<span id="L403" class="LineNr">403 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L403'>draw-text-downward-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L404" class="LineNr">404 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L405" class="LineNr">405 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L406" class="LineNr">406 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L407" class="LineNr">407 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L378'>draw-text-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, cursor-x, cursor-y, ymax, color, background-color
-<span id="L408" class="LineNr">408 </span><span class="Delimiter">}</span>
-<span id="L409" class="LineNr">409 </span>
-<span id="L410" class="LineNr">410 </span><span class="muComment"># draw text down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
-<span id="L411" class="LineNr">411 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
-<span id="L412" class="LineNr">412 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
-<span id="L413" class="LineNr">413 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L414" class="LineNr">414 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L414'>draw-text-wrapping-down-then-right</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L415" class="LineNr">415 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L416" class="LineNr">416 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L417" class="LineNr">417 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
-<span id="L418" class="LineNr">418 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy _x
-<span id="L419" class="LineNr">419 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
-<span id="L420" class="LineNr">420 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L428'>draw-stream-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, x, y, color, background-color
-<span id="L421" class="LineNr">421 </span>  <span class="PreProc">return</span> x, y
+<span id="L326" class="LineNr">326 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L327" class="LineNr">327 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
+<span id="L328" class="LineNr">328 </span>    cursor-y <span class="Special">&lt;-</span> increment
+<span id="L329" class="LineNr">329 </span>  <span class="Delimiter">}</span>
+<span id="L330" class="LineNr">330 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L286'>draw-int32-hex-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
+<span id="L331" class="LineNr">331 </span><span class="Delimiter">}</span>
+<span id="L332" class="LineNr">332 </span>
+<span id="L333" class="LineNr">333 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L334" class="LineNr">334 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L335" class="LineNr">335 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L336" class="LineNr">336 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L337" class="LineNr">337 </span>  <a href='501draw-text.mu.html#L318'>draw-int32-hex-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
+<span id="L338" class="LineNr">338 </span><span class="Delimiter">}</span>
+<span id="L339" class="LineNr">339 </span>
+<span id="L340" class="LineNr">340 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L340'>draw-int32-decimal-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L341" class="LineNr">341 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L342" class="LineNr">342 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L343" class="LineNr">343 </span>  <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> stream, n
+<span id="L344" class="LineNr">344 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L345" class="LineNr">345 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L346" class="LineNr">346 </span>  <span class="Delimiter">{</span>
+<span id="L347" class="LineNr">347 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
+<span id="L348" class="LineNr">348 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L349" class="LineNr">349 </span>    <span class="PreProc">break-if-=</span>
+<span id="L350" class="LineNr">350 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
+<span id="L351" class="LineNr">351 </span>    xcurr <span class="Special">&lt;-</span> increment
+<span id="L352" class="LineNr">352 </span>    compare xcurr, xmax
+<span id="L353" class="LineNr">353 </span>    <span class="Delimiter">{</span>
+<span id="L354" class="LineNr">354 </span>      <span class="PreProc">break-if-&lt;</span>
+<span id="L355" class="LineNr">355 </span>      xcurr <span class="Special">&lt;-</span> copy xmin
+<span id="L356" class="LineNr">356 </span>      ycurr <span class="Special">&lt;-</span> increment
+<span id="L357" class="LineNr">357 </span>    <span class="Delimiter">}</span>
+<span id="L358" class="LineNr">358 </span>    <span class="PreProc">loop</span>
+<span id="L359" class="LineNr">359 </span>  <span class="Delimiter">}</span>
+<span id="L360" class="LineNr">360 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
+<span id="L361" class="LineNr">361 </span>  <span class="PreProc">return</span> xcurr, ycurr
+<span id="L362" class="LineNr">362 </span><span class="Delimiter">}</span>
+<span id="L363" class="LineNr">363 </span>
+<span id="L364" class="LineNr">364 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L365" class="LineNr">365 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L366" class="LineNr">366 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L367" class="LineNr">367 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
+<span id="L368" class="LineNr">368 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L340'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
+<span id="L369" class="LineNr">369 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
+<span id="L370" class="LineNr">370 </span><span class="Delimiter">}</span>
+<span id="L371" class="LineNr">371 </span>
+<span id="L372" class="LineNr">372 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L372'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L373" class="LineNr">373 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L374" class="LineNr">374 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L375" class="LineNr">375 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L376" class="LineNr">376 </span>  <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-x
+<span id="L377" class="LineNr">377 </span>  end-x <span class="Special">&lt;-</span> increment
+<span id="L378" class="LineNr">378 </span>  compare end-x, xmax
+<span id="L379" class="LineNr">379 </span>  <span class="Delimiter">{</span>
+<span id="L380" class="LineNr">380 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L381" class="LineNr">381 </span>    cursor-x <span class="Special">&lt;-</span> copy xmin
+<span id="L382" class="LineNr">382 </span>    cursor-y <span class="Special">&lt;-</span> increment
+<span id="L383" class="LineNr">383 </span>  <span class="Delimiter">}</span>
+<span id="L384" class="LineNr">384 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L340'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
+<span id="L385" class="LineNr">385 </span><span class="Delimiter">}</span>
+<span id="L386" class="LineNr">386 </span>
+<span id="L387" class="LineNr">387 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), n: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L388" class="LineNr">388 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L389" class="LineNr">389 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L390" class="LineNr">390 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L391" class="LineNr">391 </span>  <a href='501draw-text.mu.html#L372'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
+<span id="L392" class="LineNr">392 </span><span class="Delimiter">}</span>
+<span id="L393" class="LineNr">393 </span>
+<span id="L394" class="LineNr">394 </span><span class="muComment">## Text direction: down then right</span>
+<span id="L395" class="LineNr">395 </span>
+<span id="L396" class="LineNr">396 </span><span class="muComment"># draw a single line of text vertically from x, y to ymax</span>
+<span id="L397" class="LineNr">397 </span><span class="muComment"># return the next 'y' coordinate</span>
+<span id="L398" class="LineNr">398 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L399" class="LineNr">399 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L399'>draw-text-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, ymax: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L400" class="LineNr">400 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L401" class="LineNr">401 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L402" class="LineNr">402 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
+<span id="L403" class="LineNr">403 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L410'>draw-stream-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, x, y, ymax, color, background-color
+<span id="L404" class="LineNr">404 </span>  <span class="PreProc">return</span> ycurr
+<span id="L405" class="LineNr">405 </span><span class="Delimiter">}</span>
+<span id="L406" class="LineNr">406 </span>
+<span id="L407" class="LineNr">407 </span><span class="muComment"># draw a single-line stream vertically from x, y to ymax</span>
+<span id="L408" class="LineNr">408 </span><span class="muComment"># return the next 'y' coordinate</span>
+<span id="L409" class="LineNr">409 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L410" class="LineNr">410 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L410'>draw-stream-downward</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), x: int, y: int, ymax: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L411" class="LineNr">411 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L412" class="LineNr">412 </span>  <span class="Delimiter">{</span>
+<span id="L413" class="LineNr">413 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
+<span id="L414" class="LineNr">414 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L415" class="LineNr">415 </span>    <span class="PreProc">break-if-=</span>
+<span id="L416" class="LineNr">416 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, x, ycurr, color, background-color
+<span id="L417" class="LineNr">417 </span>    ycurr <span class="Special">&lt;-</span> increment
+<span id="L418" class="LineNr">418 </span>    <span class="PreProc">loop</span>
+<span id="L419" class="LineNr">419 </span>  <span class="Delimiter">}</span>
+<span id="L420" class="LineNr">420 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, ycurr
+<span id="L421" class="LineNr">421 </span>  <span class="PreProc">return</span> ycurr
 <span id="L422" class="LineNr">422 </span><span class="Delimiter">}</span>
 <span id="L423" class="LineNr">423 </span>
-<span id="L424" class="LineNr">424 </span><span class="muComment"># draw a stream down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
-<span id="L425" class="LineNr">425 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
-<span id="L426" class="LineNr">426 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
-<span id="L427" class="LineNr">427 </span><span class="muComment"># if there isn't enough space, truncate</span>
-<span id="L428" class="LineNr">428 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L428'>draw-stream-wrapping-down-then-right</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L429" class="LineNr">429 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L430" class="LineNr">430 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L431" class="LineNr">431 </span>  <span class="Delimiter">{</span>
-<span id="L432" class="LineNr">432 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
-<span id="L433" class="LineNr">433 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
-<span id="L434" class="LineNr">434 </span>    <span class="PreProc">break-if-=</span>
-<span id="L435" class="LineNr">435 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
-<span id="L436" class="LineNr">436 </span>    ycurr <span class="Special">&lt;-</span> increment
-<span id="L437" class="LineNr">437 </span>    compare ycurr, ymax
-<span id="L438" class="LineNr">438 </span>    <span class="Delimiter">{</span>
-<span id="L439" class="LineNr">439 </span>      <span class="PreProc">break-if-&lt;</span>
-<span id="L440" class="LineNr">440 </span>      xcurr <span class="Special">&lt;-</span> increment
-<span id="L441" class="LineNr">441 </span>      ycurr <span class="Special">&lt;-</span> copy ymin
-<span id="L442" class="LineNr">442 </span>    <span class="Delimiter">}</span>
-<span id="L443" class="LineNr">443 </span>    <span class="PreProc">loop</span>
-<span id="L444" class="LineNr">444 </span>  <span class="Delimiter">}</span>
-<span id="L445" class="LineNr">445 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
-<span id="L446" class="LineNr">446 </span>  <span class="PreProc">return</span> xcurr, ycurr
-<span id="L447" class="LineNr">447 </span><span class="Delimiter">}</span>
-<span id="L448" class="LineNr">448 </span>
-<span id="L449" class="LineNr">449 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L449'>draw-text-wrapping-down-then-right-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L450" class="LineNr">450 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L451" class="LineNr">451 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L452" class="LineNr">452 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
-<span id="L453" class="LineNr">453 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L414'>draw-text-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
-<span id="L454" class="LineNr">454 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
-<span id="L455" class="LineNr">455 </span><span class="Delimiter">}</span>
-<span id="L456" class="LineNr">456 </span>
-<span id="L457" class="LineNr">457 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L457'>draw-text-wrapping-down-then-right-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L458" class="LineNr">458 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L459" class="LineNr">459 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L460" class="LineNr">460 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L153'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L461" class="LineNr">461 </span>  <span class="PreProc">var</span> end-y/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-y
-<span id="L462" class="LineNr">462 </span>  end-y <span class="Special">&lt;-</span> increment
-<span id="L463" class="LineNr">463 </span>  compare end-y, ymax
-<span id="L464" class="LineNr">464 </span>  <span class="Delimiter">{</span>
-<span id="L465" class="LineNr">465 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L466" class="LineNr">466 </span>    cursor-x <span class="Special">&lt;-</span> increment
-<span id="L467" class="LineNr">467 </span>    cursor-y <span class="Special">&lt;-</span> copy ymin
-<span id="L468" class="LineNr">468 </span>  <span class="Delimiter">}</span>
-<span id="L469" class="LineNr">469 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L414'>draw-text-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
-<span id="L470" class="LineNr">470 </span><span class="Delimiter">}</span>
-<span id="L471" class="LineNr">471 </span>
-<span id="L472" class="LineNr">472 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L472'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), color: int, background-color: int <span class="Delimiter">{</span>
-<span id="L473" class="LineNr">473 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L474" class="LineNr">474 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L475" class="LineNr">475 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
-<span id="L476" class="LineNr">476 </span>  <a href='501draw-text.mu.html#L457'>draw-text-wrapping-down-then-right-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
-<span id="L477" class="LineNr">477 </span><span class="Delimiter">}</span>
+<span id="L424" class="LineNr">424 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L424'>draw-text-downward-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L425" class="LineNr">425 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L426" class="LineNr">426 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L427" class="LineNr">427 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L428" class="LineNr">428 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L399'>draw-text-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, cursor-x, cursor-y, ymax, color, background-color
+<span id="L429" class="LineNr">429 </span><span class="Delimiter">}</span>
+<span id="L430" class="LineNr">430 </span>
+<span id="L431" class="LineNr">431 </span><span class="muComment"># draw text down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
+<span id="L432" class="LineNr">432 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
+<span id="L433" class="LineNr">433 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
+<span id="L434" class="LineNr">434 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L435" class="LineNr">435 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L435'>draw-text-wrapping-down-then-right</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L436" class="LineNr">436 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L437" class="LineNr">437 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L438" class="LineNr">438 </span>  <a href='108write.subx.html#L11'>write</a> stream, text
+<span id="L439" class="LineNr">439 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy _x
+<span id="L440" class="LineNr">440 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
+<span id="L441" class="LineNr">441 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L449'>draw-stream-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, stream, xmin, ymin, xmax, ymax, x, y, color, background-color
+<span id="L442" class="LineNr">442 </span>  <span class="PreProc">return</span> x, y
+<span id="L443" class="LineNr">443 </span><span class="Delimiter">}</span>
+<span id="L444" class="LineNr">444 </span>
+<span id="L445" class="LineNr">445 </span><span class="muComment"># draw a stream down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span>
+<span id="L446" class="LineNr">446 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span>
+<span id="L447" class="LineNr">447 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span>
+<span id="L448" class="LineNr">448 </span><span class="muComment"># if there isn't enough space, truncate</span>
+<span id="L449" class="LineNr">449 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L449'>draw-stream-wrapping-down-then-right</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), stream: (addr stream byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L450" class="LineNr">450 </span>  <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L451" class="LineNr">451 </span>  <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L452" class="LineNr">452 </span>  <span class="Delimiter">{</span>
+<span id="L453" class="LineNr">453 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream
+<span id="L454" class="LineNr">454 </span>    compare g, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L455" class="LineNr">455 </span>    <span class="PreProc">break-if-=</span>
+<span id="L456" class="LineNr">456 </span>    <a href='500fake-screen.mu.html#L88'>draw-grapheme</a> <a href='500fake-screen.mu.html#L14'>screen</a>, g, xcurr, ycurr, color, background-color
+<span id="L457" class="LineNr">457 </span>    ycurr <span class="Special">&lt;-</span> increment
+<span id="L458" class="LineNr">458 </span>    compare ycurr, ymax
+<span id="L459" class="LineNr">459 </span>    <span class="Delimiter">{</span>
+<span id="L460" class="LineNr">460 </span>      <span class="PreProc">break-if-&lt;</span>
+<span id="L461" class="LineNr">461 </span>      xcurr <span class="Special">&lt;-</span> increment
+<span id="L462" class="LineNr">462 </span>      ycurr <span class="Special">&lt;-</span> copy ymin
+<span id="L463" class="LineNr">463 </span>    <span class="Delimiter">}</span>
+<span id="L464" class="LineNr">464 </span>    <span class="PreProc">loop</span>
+<span id="L465" class="LineNr">465 </span>  <span class="Delimiter">}</span>
+<span id="L466" class="LineNr">466 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, xcurr, ycurr
+<span id="L467" class="LineNr">467 </span>  <span class="PreProc">return</span> xcurr, ycurr
+<span id="L468" class="LineNr">468 </span><span class="Delimiter">}</span>
+<span id="L469" class="LineNr">469 </span>
+<span id="L470" class="LineNr">470 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L470'>draw-text-wrapping-down-then-right-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), x: int, y: int, color: int, background-color: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L471" class="LineNr">471 </span>  <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L472" class="LineNr">472 </span>  <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L473" class="LineNr">473 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>  <span class="muComment"># width, height</span>
+<span id="L474" class="LineNr">474 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L435'>draw-text-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, x2, y2, x, y, color, background-color
+<span id="L475" class="LineNr">475 </span>  <span class="PreProc">return</span> x2, y2  <span class="muComment"># cursor-x, cursor-y</span>
+<span id="L476" class="LineNr">476 </span><span class="Delimiter">}</span>
+<span id="L477" class="LineNr">477 </span>
+<span id="L478" class="LineNr">478 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L478'>draw-text-wrapping-down-then-right-from-cursor</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L479" class="LineNr">479 </span>  <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L480" class="LineNr">480 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L481" class="LineNr">481 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L154'>cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L482" class="LineNr">482 </span>  <span class="PreProc">var</span> end-y/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy cursor-y
+<span id="L483" class="LineNr">483 </span>  end-y <span class="Special">&lt;-</span> increment
+<span id="L484" class="LineNr">484 </span>  compare end-y, ymax
+<span id="L485" class="LineNr">485 </span>  <span class="Delimiter">{</span>
+<span id="L486" class="LineNr">486 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L487" class="LineNr">487 </span>    cursor-x <span class="Special">&lt;-</span> increment
+<span id="L488" class="LineNr">488 </span>    cursor-y <span class="Special">&lt;-</span> copy ymin
+<span id="L489" class="LineNr">489 </span>  <span class="Delimiter">}</span>
+<span id="L490" class="LineNr">490 </span>  cursor-x, cursor-y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L435'>draw-text-wrapping-down-then-right</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color, background-color
+<span id="L491" class="LineNr">491 </span><span class="Delimiter">}</span>
+<span id="L492" class="LineNr">492 </span>
+<span id="L493" class="LineNr">493 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L493'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), text: (addr array byte), color: int, background-color: int <span class="Delimiter">{</span>
+<span id="L494" class="LineNr">494 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L495" class="LineNr">495 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L496" class="LineNr">496 </span>  width, height <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L497" class="LineNr">497 </span>  <a href='501draw-text.mu.html#L478'>draw-text-wrapping-down-then-right-from-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, text, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, width, height, color, background-color
+<span id="L498" class="LineNr">498 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/502test.mu.html b/html/502test.mu.html
index 98bb9ede..edb32774 100644
--- a/html/502test.mu.html
+++ b/html/502test.mu.html
@@ -63,10 +63,10 @@ if ('onhashchange' in window) {
 <span id="L4" class="LineNr"> 4 </span>  compare a, b
 <span id="L5" class="LineNr"> 5 </span>  <span class="Delimiter">{</span>
 <span id="L6" class="LineNr"> 6 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L7" class="LineNr"> 7 </span>    <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L7" class="LineNr"> 7 </span>    <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L8" class="LineNr"> 8 </span>    <span class="PreProc">return</span>
 <span id="L9" class="LineNr"> 9 </span>  <span class="Delimiter">}</span>
-<span id="L10" class="LineNr">10 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L10" class="LineNr">10 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L11" class="LineNr">11 </span>  <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L12" class="LineNr">12 </span>  <a href='104test.subx.html#L5'>count-test-failure</a>
 <span id="L13" class="LineNr">13 </span><span class="Delimiter">}</span>
@@ -80,10 +80,10 @@ if ('onhashchange' in window) {
 <span id="L21" class="LineNr">21 </span>  compare a, <span class="Constant">0</span>/false
 <span id="L22" class="LineNr">22 </span>  <span class="Delimiter">{</span>
 <span id="L23" class="LineNr">23 </span>    <span class="PreProc">break-if-=</span>
-<span id="L24" class="LineNr">24 </span>    <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L24" class="LineNr">24 </span>    <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L25" class="LineNr">25 </span>    <span class="PreProc">return</span>
 <span id="L26" class="LineNr">26 </span>  <span class="Delimiter">}</span>
-<span id="L27" class="LineNr">27 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L27" class="LineNr">27 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L28" class="LineNr">28 </span>  <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L29" class="LineNr">29 </span>  <a href='104test.subx.html#L5'>count-test-failure</a>
 <span id="L30" class="LineNr">30 </span><span class="Delimiter">}</span>
@@ -93,10 +93,10 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr">34 </span>  compare a, <span class="Constant">0</span>/false
 <span id="L35" class="LineNr">35 </span>  <span class="Delimiter">{</span>
 <span id="L36" class="LineNr">36 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L37" class="LineNr">37 </span>    <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L37" class="LineNr">37 </span>    <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L38" class="LineNr">38 </span>    <span class="PreProc">return</span>
 <span id="L39" class="LineNr">39 </span>  <span class="Delimiter">}</span>
-<span id="L40" class="LineNr">40 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L40" class="LineNr">40 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L41" class="LineNr">41 </span>  <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L42" class="LineNr">42 </span>  <a href='104test.subx.html#L5'>count-test-failure</a>
 <span id="L43" class="LineNr">43 </span><span class="Delimiter">}</span>
diff --git a/html/504test-screen.mu.html b/html/504test-screen.mu.html
index bee33f6b..32122ddf 100644
--- a/html/504test-screen.mu.html
+++ b/html/504test-screen.mu.html
@@ -78,7 +78,7 @@ if ('onhashchange' in window) {
 <span id="L19" class="LineNr"> 19 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
 <span id="L20" class="LineNr"> 20 </span>    compare done?, <span class="Constant">0</span>
 <span id="L21" class="LineNr"> 21 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L413'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L414'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L23" class="LineNr"> 23 </span>    <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="Special">&lt;-</span> copy _g
 <span id="L24" class="LineNr"> 24 </span>    <span class="PreProc">var</span> expected-grapheme/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
 <span id="L25" class="LineNr"> 25 </span>    <span class="muComment"># compare graphemes</span>
@@ -94,23 +94,23 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr"> 35 </span>      compare g, expected-grapheme
 <span id="L36" class="LineNr"> 36 </span>      <span class="Delimiter">{</span>
 <span id="L37" class="LineNr"> 37 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L38" class="LineNr"> 38 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L38" class="LineNr"> 38 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L39" class="LineNr"> 39 </span>        <span class="PreProc">break</span> $check-screen-row-from:compare-graphemes
 <span id="L40" class="LineNr"> 40 </span>      <span class="Delimiter">}</span>
 <span id="L41" class="LineNr"> 41 </span>      <span class="muComment"># otherwise print an error</span>
 <span id="L42" class="LineNr"> 42 </span>      <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L43" class="LineNr"> 43 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L44" class="LineNr"> 44 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L43" class="LineNr"> 43 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L44" class="LineNr"> 44 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L45" class="LineNr"> 45 </span>      <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L46" class="LineNr"> 46 </span>      <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L47" class="LineNr"> 47 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L48" class="LineNr"> 48 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L49" class="LineNr"> 49 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L50" class="LineNr"> 50 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L51" class="LineNr"> 51 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L46" class="LineNr"> 46 </span>      <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L47" class="LineNr"> 47 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L48" class="LineNr"> 48 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L49" class="LineNr"> 49 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L50" class="LineNr"> 50 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L51" class="LineNr"> 51 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L52" class="LineNr"> 52 </span>      <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L53" class="LineNr"> 53 </span>      <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L54" class="LineNr"> 54 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L53" class="LineNr"> 53 </span>      <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L54" class="LineNr"> 54 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L55" class="LineNr"> 55 </span>      <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L56" class="LineNr"> 56 </span>    <span class="Delimiter">}</span>
 <span id="L57" class="LineNr"> 57 </span>    idx <span class="Special">&lt;-</span> increment
@@ -136,7 +136,7 @@ if ('onhashchange' in window) {
 <span id="L77" class="LineNr"> 77 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
 <span id="L78" class="LineNr"> 78 </span>    compare done?, <span class="Constant">0</span>
 <span id="L79" class="LineNr"> 79 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L80" class="LineNr"> 80 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L413'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L80" class="LineNr"> 80 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L414'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L81" class="LineNr"> 81 </span>    <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="Special">&lt;-</span> copy _g
 <span id="L82" class="LineNr"> 82 </span>    <span class="PreProc">var</span> _expected-grapheme/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
 <span id="L83" class="LineNr"> 83 </span>    <span class="PreProc">var</span> expected-grapheme/<span class="Constant">edi</span>: grapheme <span class="Special">&lt;-</span> copy _expected-grapheme
@@ -152,7 +152,7 @@ if ('onhashchange' in window) {
 <span id="L93" class="LineNr"> 93 </span>      <span class="Delimiter">{</span>
 <span id="L94" class="LineNr"> 94 </span>        compare expected-grapheme, <span class="Constant">0x20</span>
 <span id="L95" class="LineNr"> 95 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L96" class="LineNr"> 96 </span>        <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L431'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L96" class="LineNr"> 96 </span>        <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L432'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L97" class="LineNr"> 97 </span>        compare color, fg
 <span id="L98" class="LineNr"> 98 </span>        <span class="PreProc">break-if-!=</span> $check-screen-row-in-color-from:compare-cells
 <span id="L99" class="LineNr"> 99 </span>      <span class="Delimiter">}</span>
@@ -162,47 +162,47 @@ if ('onhashchange' in window) {
 <span id="L103" class="LineNr">103 </span>        compare g, expected-grapheme
 <span id="L104" class="LineNr">104 </span>        <span class="Delimiter">{</span>
 <span id="L105" class="LineNr">105 </span>          <span class="PreProc">break-if-!=</span>
-<span id="L106" class="LineNr">106 </span>          <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L106" class="LineNr">106 </span>          <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L107" class="LineNr">107 </span>          <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-graphemes
 <span id="L108" class="LineNr">108 </span>        <span class="Delimiter">}</span>
 <span id="L109" class="LineNr">109 </span>        <span class="muComment"># otherwise print an error</span>
 <span id="L110" class="LineNr">110 </span>        <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L111" class="LineNr">111 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L112" class="LineNr">112 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L111" class="LineNr">111 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L112" class="LineNr">112 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L113" class="LineNr">113 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L114" class="LineNr">114 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L115" class="LineNr">115 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L116" class="LineNr">116 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L117" class="LineNr">117 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L118" class="LineNr">118 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L119" class="LineNr">119 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L114" class="LineNr">114 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L115" class="LineNr">115 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L116" class="LineNr">116 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L117" class="LineNr">117 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L118" class="LineNr">118 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L119" class="LineNr">119 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L120" class="LineNr">120 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L121" class="LineNr">121 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L122" class="LineNr">122 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L121" class="LineNr">121 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L122" class="LineNr">122 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L123" class="LineNr">123 </span>        <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L124" class="LineNr">124 </span>      <span class="Delimiter">}</span>
 <span id="L125" class="LineNr">125 </span>      $check-screen-row-in-color-from:compare-colors: <span class="Delimiter">{</span>
-<span id="L126" class="LineNr">126 </span>        <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L431'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L126" class="LineNr">126 </span>        <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L432'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L127" class="LineNr">127 </span>        compare fg, color
 <span id="L128" class="LineNr">128 </span>        <span class="Delimiter">{</span>
 <span id="L129" class="LineNr">129 </span>          <span class="PreProc">break-if-!=</span>
-<span id="L130" class="LineNr">130 </span>          <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L130" class="LineNr">130 </span>          <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L131" class="LineNr">131 </span>          <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-colors
 <span id="L132" class="LineNr">132 </span>        <span class="Delimiter">}</span>
 <span id="L133" class="LineNr">133 </span>        <span class="muComment"># otherwise print an error</span>
 <span id="L134" class="LineNr">134 </span>        <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L135" class="LineNr">135 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L136" class="LineNr">136 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L135" class="LineNr">135 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L136" class="LineNr">136 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L137" class="LineNr">137 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L138" class="LineNr">138 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L139" class="LineNr">139 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L140" class="LineNr">140 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L141" class="LineNr">141 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L142" class="LineNr">142 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L143" class="LineNr">143 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L144" class="LineNr">144 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, fg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L145" class="LineNr">145 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L146" class="LineNr">146 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L138" class="LineNr">138 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L139" class="LineNr">139 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L140" class="LineNr">140 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L141" class="LineNr">141 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L142" class="LineNr">142 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L143" class="LineNr">143 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L144" class="LineNr">144 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, fg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L145" class="LineNr">145 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L146" class="LineNr">146 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L147" class="LineNr">147 </span>        <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L148" class="LineNr">148 </span>      <span class="Delimiter">}</span>
 <span id="L149" class="LineNr">149 </span>    <span class="Delimiter">}</span>
@@ -227,7 +227,7 @@ if ('onhashchange' in window) {
 <span id="L168" class="LineNr">168 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
 <span id="L169" class="LineNr">169 </span>    compare done?, <span class="Constant">0</span>
 <span id="L170" class="LineNr">170 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L171" class="LineNr">171 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L413'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L171" class="LineNr">171 </span>    <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L414'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L172" class="LineNr">172 </span>    <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="Special">&lt;-</span> copy _g
 <span id="L173" class="LineNr">173 </span>    <span class="PreProc">var</span> _expected-grapheme/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
 <span id="L174" class="LineNr">174 </span>    <span class="PreProc">var</span> expected-grapheme/<span class="Constant">edi</span>: grapheme <span class="Special">&lt;-</span> copy _expected-grapheme
@@ -243,7 +243,7 @@ if ('onhashchange' in window) {
 <span id="L184" class="LineNr">184 </span>      <span class="Delimiter">{</span>
 <span id="L185" class="LineNr">185 </span>        compare expected-grapheme, <span class="Constant">0x20</span>
 <span id="L186" class="LineNr">186 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L187" class="LineNr">187 </span>        <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L450'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L187" class="LineNr">187 </span>        <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L451'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L188" class="LineNr">188 </span>        compare background-color, bg
 <span id="L189" class="LineNr">189 </span>        <span class="PreProc">break-if-!=</span> $check-screen-row-in-background-color-from:compare-cells
 <span id="L190" class="LineNr">190 </span>      <span class="Delimiter">}</span>
@@ -253,48 +253,48 @@ if ('onhashchange' in window) {
 <span id="L194" class="LineNr">194 </span>        compare g, expected-grapheme
 <span id="L195" class="LineNr">195 </span>        <span class="Delimiter">{</span>
 <span id="L196" class="LineNr">196 </span>          <span class="PreProc">break-if-!=</span>
-<span id="L197" class="LineNr">197 </span>          <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L197" class="LineNr">197 </span>          <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L198" class="LineNr">198 </span>          <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-graphemes
 <span id="L199" class="LineNr">199 </span>        <span class="Delimiter">}</span>
 <span id="L200" class="LineNr">200 </span>        <span class="muComment"># otherwise print an error</span>
 <span id="L201" class="LineNr">201 </span>        <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L202" class="LineNr">202 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L203" class="LineNr">203 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L202" class="LineNr">202 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L203" class="LineNr">203 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L204" class="LineNr">204 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L205" class="LineNr">205 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L206" class="LineNr">206 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L207" class="LineNr">207 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L208" class="LineNr">208 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L209" class="LineNr">209 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L210" class="LineNr">210 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L205" class="LineNr">205 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L206" class="LineNr">206 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L207" class="LineNr">207 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L208" class="LineNr">208 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L209" class="LineNr">209 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L210" class="LineNr">210 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) but observed '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L211" class="LineNr">211 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L212" class="LineNr">212 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L213" class="LineNr">213 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L212" class="LineNr">212 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L213" class="LineNr">213 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;'&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L214" class="LineNr">214 </span>        <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L215" class="LineNr">215 </span>        <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-graphemes
 <span id="L216" class="LineNr">216 </span>      <span class="Delimiter">}</span>
 <span id="L217" class="LineNr">217 </span>      $check-screen-row-in-background-color-from:compare-background-colors: <span class="Delimiter">{</span>
-<span id="L218" class="LineNr">218 </span>        <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L450'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L218" class="LineNr">218 </span>        <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L451'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L219" class="LineNr">219 </span>        compare bg, background-color
 <span id="L220" class="LineNr">220 </span>        <span class="Delimiter">{</span>
 <span id="L221" class="LineNr">221 </span>          <span class="PreProc">break-if-!=</span>
-<span id="L222" class="LineNr">222 </span>          <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L222" class="LineNr">222 </span>          <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;.&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L223" class="LineNr">223 </span>          <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-background-colors
 <span id="L224" class="LineNr">224 </span>        <span class="Delimiter">}</span>
 <span id="L225" class="LineNr">225 </span>        <span class="muComment"># otherwise print an error</span>
 <span id="L226" class="LineNr">226 </span>        <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L227" class="LineNr">227 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L228" class="LineNr">228 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L227" class="LineNr">227 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L228" class="LineNr">228 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected '&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L229" class="LineNr">229 </span>        <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
-<span id="L230" class="LineNr">230 </span>        <a href='501draw-text.mu.html#L221'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
-<span id="L231" class="LineNr">231 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L232" class="LineNr">232 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L233" class="LineNr">233 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L234" class="LineNr">234 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L235" class="LineNr">235 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L236" class="LineNr">236 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L237" class="LineNr">237 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L238" class="LineNr">238 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L230" class="LineNr">230 </span>        <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
+<span id="L231" class="LineNr">231 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;' at (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L232" class="LineNr">232 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L233" class="LineNr">233 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L234" class="LineNr">234 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L235" class="LineNr">235 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L236" class="LineNr">236 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L237" class="LineNr">237 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L238" class="LineNr">238 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L239" class="LineNr">239 </span>        <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L240" class="LineNr">240 </span>      <span class="Delimiter">}</span>
 <span id="L241" class="LineNr">241 </span>    <span class="Delimiter">}</span>
@@ -325,7 +325,7 @@ if ('onhashchange' in window) {
 <span id="L266" class="LineNr">266 </span>    <span class="PreProc">var</span> _expected-bit/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
 <span id="L267" class="LineNr">267 </span>    <span class="PreProc">var</span> expected-bit/<span class="Constant">edi</span>: grapheme <span class="Special">&lt;-</span> copy _expected-bit
 <span id="L268" class="LineNr">268 </span>    $check-background-color-in-screen-row-from:compare-cells: <span class="Delimiter">{</span>
-<span id="L269" class="LineNr">269 </span>      <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L450'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
+<span id="L269" class="LineNr">269 </span>      <span class="PreProc">var</span> background-color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L451'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
 <span id="L270" class="LineNr">270 </span>      <span class="muComment"># if expected-bit is space, assert that background is NOT bg</span>
 <span id="L271" class="LineNr">271 </span>      compare expected-bit, <span class="Constant">0x20</span>
 <span id="L272" class="LineNr">272 </span>      <span class="Delimiter">{</span>
@@ -333,13 +333,13 @@ if ('onhashchange' in window) {
 <span id="L274" class="LineNr">274 </span>        compare background-color, bg
 <span id="L275" class="LineNr">275 </span>        <span class="PreProc">break-if-!=</span> $check-background-color-in-screen-row-from:compare-cells
 <span id="L276" class="LineNr">276 </span>        <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L277" class="LineNr">277 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L278" class="LineNr">278 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L279" class="LineNr">279 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L280" class="LineNr">280 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L281" class="LineNr">281 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L282" class="LineNr">282 </span>        <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) to not be in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L283" class="LineNr">283 </span>        <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L277" class="LineNr">277 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L278" class="LineNr">278 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L279" class="LineNr">279 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L280" class="LineNr">280 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L281" class="LineNr">281 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L282" class="LineNr">282 </span>        <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) to not be in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L283" class="LineNr">283 </span>        <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L284" class="LineNr">284 </span>        <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L285" class="LineNr">285 </span>        <span class="PreProc">break</span> $check-background-color-in-screen-row-from:compare-cells
 <span id="L286" class="LineNr">286 </span>      <span class="Delimiter">}</span>
@@ -347,15 +347,15 @@ if ('onhashchange' in window) {
 <span id="L288" class="LineNr">288 </span>      compare background-color, bg
 <span id="L289" class="LineNr">289 </span>      <span class="PreProc">break-if-=</span> $check-background-color-in-screen-row-from:compare-cells
 <span id="L290" class="LineNr">290 </span>      <a href='104test.subx.html#L5'>count-test-failure</a>
-<span id="L291" class="LineNr">291 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L292" class="LineNr">292 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L293" class="LineNr">293 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L294" class="LineNr">294 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L295" class="LineNr">295 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L296" class="LineNr">296 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L297" class="LineNr">297 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L298" class="LineNr">298 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
-<span id="L299" class="LineNr">299 </span>      <a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L291" class="LineNr">291 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L292" class="LineNr">292 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;: expected (&quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L293" class="LineNr">293 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L294" class="LineNr">294 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;, &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L295" class="LineNr">295 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L296" class="LineNr">296 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;) in background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L297" class="LineNr">297 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L298" class="LineNr">298 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; but observed background-color &quot;</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
+<span id="L299" class="LineNr">299 </span>      <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
 <span id="L300" class="LineNr">300 </span>      <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
 <span id="L301" class="LineNr">301 </span>    <span class="Delimiter">}</span>
 <span id="L302" class="LineNr">302 </span>    idx <span class="Special">&lt;-</span> increment
@@ -379,7 +379,7 @@ if ('onhashchange' in window) {
 <span id="L320" class="LineNr">320 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L321" class="LineNr">321 </span>  <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
 <span id="L322" class="LineNr">322 </span>  <a href='500fake-screen.mu.html#L31'>initialize-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/rows, <span class="Constant">4</span>/cols, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L323" class="LineNr">323 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;Hello, 世界&quot;</span>, <span class="Constant">1</span>/fg, <span class="Constant">2</span>/bg
+<span id="L323" class="LineNr">323 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;Hello, 世界&quot;</span>, <span class="Constant">1</span>/fg, <span class="Constant">2</span>/bg
 <span id="L324" class="LineNr">324 </span>  <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;Hello, 世界&quot;</span>, <span class="Constant">&quot;F - test-draw-multiple-graphemes&quot;</span>
 <span id="L325" class="LineNr">325 </span>  <a href='504test-screen.mu.html#L65'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/fg, <span class="Constant">0</span>/y, <span class="Constant">&quot;Hello, 世界&quot;</span>, <span class="Constant">&quot;F - test-draw-multiple-graphemes-fg&quot;</span>
 <span id="L326" class="LineNr">326 </span>  <a href='504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/bg, <span class="Constant">0</span>/y, <span class="Constant">&quot;xxxxxxxxx &quot;</span>, <span class="Constant">&quot;F - test-draw-multiple-graphemes-bg2&quot;</span>
diff --git a/html/507line.mu.html b/html/507line.mu.html
index df492c93..76910f05 100644
--- a/html/507line.mu.html
+++ b/html/507line.mu.html
@@ -87,7 +87,7 @@ if ('onhashchange' in window) {
 <span id="L29" class="LineNr"> 29 </span>  <span class="PreProc">var</span> x/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x0
 <span id="L30" class="LineNr"> 30 </span>  <span class="PreProc">var</span> y/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy y0
 <span id="L31" class="LineNr"> 31 </span>  $draw-line:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L32" class="LineNr"> 32 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L32" class="LineNr"> 32 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L33" class="LineNr"> 33 </span>    <span class="muComment"># if (x == x1 &amp;&amp; y == y1) break</span>
 <span id="L34" class="LineNr"> 34 </span>    <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>      compare x, x1
@@ -124,7 +124,7 @@ if ('onhashchange' in window) {
 <span id="L66" class="LineNr"> 66 </span>  <span class="Delimiter">{</span>
 <span id="L67" class="LineNr"> 67 </span>    compare x, x1
 <span id="L68" class="LineNr"> 68 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L69" class="LineNr"> 69 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L69" class="LineNr"> 69 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L70" class="LineNr"> 70 </span>    x <span class="Special">&lt;-</span> increment
 <span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">loop</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Delimiter">}</span>
@@ -135,7 +135,7 @@ if ('onhashchange' in window) {
 <span id="L77" class="LineNr"> 77 </span>  <span class="Delimiter">{</span>
 <span id="L78" class="LineNr"> 78 </span>    compare y, y1
 <span id="L79" class="LineNr"> 79 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L80" class="LineNr"> 80 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L80" class="LineNr"> 80 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L81" class="LineNr"> 81 </span>    y <span class="Special">&lt;-</span> increment
 <span id="L82" class="LineNr"> 82 </span>    <span class="PreProc">loop</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Delimiter">}</span>
diff --git a/html/508circle.mu.html b/html/508circle.mu.html
index c33aca77..e64f840d 100644
--- a/html/508circle.mu.html
+++ b/html/508circle.mu.html
@@ -79,25 +79,25 @@ if ('onhashchange' in window) {
 <span id="L21" class="LineNr">21 </span>    tmpx <span class="Special">&lt;-</span> subtract x
 <span id="L22" class="LineNr">22 </span>    tmpy <span class="Special">&lt;-</span> copy cy
 <span id="L23" class="LineNr">23 </span>    tmpy <span class="Special">&lt;-</span> add y
-<span id="L24" class="LineNr">24 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
+<span id="L24" class="LineNr">24 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
 <span id="L25" class="LineNr">25 </span>    <span class="muComment"># pixel(cx-y, cy-x)</span>
 <span id="L26" class="LineNr">26 </span>    tmpx <span class="Special">&lt;-</span> copy cx
 <span id="L27" class="LineNr">27 </span>    tmpx <span class="Special">&lt;-</span> subtract y
 <span id="L28" class="LineNr">28 </span>    tmpy <span class="Special">&lt;-</span> copy cy
 <span id="L29" class="LineNr">29 </span>    tmpy <span class="Special">&lt;-</span> subtract x
-<span id="L30" class="LineNr">30 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
+<span id="L30" class="LineNr">30 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
 <span id="L31" class="LineNr">31 </span>    <span class="muComment"># pixel(cx+x, cy-y)</span>
 <span id="L32" class="LineNr">32 </span>    tmpx <span class="Special">&lt;-</span> copy cx
 <span id="L33" class="LineNr">33 </span>    tmpx <span class="Special">&lt;-</span> add x
 <span id="L34" class="LineNr">34 </span>    tmpy <span class="Special">&lt;-</span> copy cy
 <span id="L35" class="LineNr">35 </span>    tmpy <span class="Special">&lt;-</span> subtract y
-<span id="L36" class="LineNr">36 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
+<span id="L36" class="LineNr">36 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
 <span id="L37" class="LineNr">37 </span>    <span class="muComment"># pixel(cx+y, cy+x)</span>
 <span id="L38" class="LineNr">38 </span>    tmpx <span class="Special">&lt;-</span> copy cx
 <span id="L39" class="LineNr">39 </span>    tmpx <span class="Special">&lt;-</span> add y
 <span id="L40" class="LineNr">40 </span>    tmpy <span class="Special">&lt;-</span> copy cy
 <span id="L41" class="LineNr">41 </span>    tmpy <span class="Special">&lt;-</span> add x
-<span id="L42" class="LineNr">42 </span>    <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
+<span id="L42" class="LineNr">42 </span>    <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, tmpx, tmpy, color
 <span id="L43" class="LineNr">43 </span>    <span class="muComment"># r = err</span>
 <span id="L44" class="LineNr">44 </span>    tmp <span class="Special">&lt;-</span> copy err
 <span id="L45" class="LineNr">45 </span>    copy-to radius, tmp
diff --git a/html/509bezier.mu.html b/html/509bezier.mu.html
index c7e376eb..a956621f 100644
--- a/html/509bezier.mu.html
+++ b/html/509bezier.mu.html
@@ -293,7 +293,7 @@ if ('onhashchange' in window) {
 <span id="L235" class="LineNr">235 </span>    err-f <span class="Special">&lt;-</span> add xy-f
 <span id="L236" class="LineNr">236 </span>    <span class="muComment">#</span>
 <span id="L237" class="LineNr">237 </span>    $draw-monotonic-bezier:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L238" class="LineNr">238 </span>      <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L238" class="LineNr">238 </span>      <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L239" class="LineNr">239 </span>      <span class="muComment"># if (x == x2 &amp;&amp; y == y2) return</span>
 <span id="L240" class="LineNr">240 </span>      <span class="Delimiter">{</span>
 <span id="L241" class="LineNr">241 </span>        compare x, x2
diff --git a/html/boot.subx.html b/html/boot.subx.html
index 221fe044..7d3914d3 100644
--- a/html/boot.subx.html
+++ b/html/boot.subx.html
@@ -130,678 +130,692 @@ if ('onhashchange' in window) {
 <span id="L70" class="LineNr">  70 </span>  b4/copy-to-ah 2/imm8/read-drive
 <span id="L71" class="LineNr">  71 </span>  <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span>
 <span id="L72" class="LineNr">  72 </span>  b5/copy-to-ch 0/imm8/cylinder
-<span id="L73" class="LineNr">  73 </span>  b6/copy-to-dh 0/imm8/head
+<span id="L73" class="LineNr">  73 </span>  b6/copy-to-dh 0/imm8/head                   <span class="subxComment"># &lt;====</span>
 <span id="L74" class="LineNr">  74 </span>  b1/copy-to-cl 2/imm8/sector  <span class="subxComment"># 1-based</span>
 <span id="L75" class="LineNr">  75 </span>  b0/copy-to-al 0x7d/imm8/num-sectors  <span class="subxComment"># 2*63 - 1 = 125</span>
 <span id="L76" class="LineNr">  76 </span>  <span class="subxComment"># address to write sectors to = es:bx = 0x7e00, contiguous with boot segment</span>
 <span id="L77" class="LineNr">  77 </span>  bb/copy-to-bx 0/imm16
 <span id="L78" class="LineNr">  78 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
-<span id="L79" class="LineNr">  79 </span>  bb/copy-to-bx 0x7e00/imm16
+<span id="L79" class="LineNr">  79 </span>  bb/copy-to-bx 0x7e00/imm16                  <span class="subxComment"># &lt;====</span>
 <span id="L80" class="LineNr">  80 </span>  cd/syscall 0x13/imm8/bios-disk-services
-<span id="L81" class="LineNr">  81 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L161'>disk_error</a>/disp16
+<span id="L81" class="LineNr">  81 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L175'>disk_error</a>/disp16
 <span id="L82" class="LineNr">  82 </span>
 <span id="L83" class="LineNr">  83 </span>  <span class="subxComment"># load two more tracks of disk into addresses [0x17800, 0x27400)</span>
 <span id="L84" class="LineNr">  84 </span>  b4/copy-to-ah 2/imm8/read-drive
 <span id="L85" class="LineNr">  85 </span>  <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span>
 <span id="L86" class="LineNr">  86 </span>  b5/copy-to-ch 0/imm8/cylinder
-<span id="L87" class="LineNr">  87 </span>  b6/copy-to-dh 2/imm8/head
+<span id="L87" class="LineNr">  87 </span>  b6/copy-to-dh 2/imm8/head                   <span class="subxComment"># &lt;====</span>
 <span id="L88" class="LineNr">  88 </span>  b1/copy-to-cl 1/imm8/sector  <span class="subxComment"># 1-based</span>
 <span id="L89" class="LineNr">  89 </span>  b0/copy-to-al 0x7e/imm8/num-sectors  <span class="subxComment"># 2*63 = 126</span>
 <span id="L90" class="LineNr">  90 </span>  <span class="subxComment"># address to write sectors to = es:bx = 0x17800, contiguous with boot segment</span>
-<span id="L91" class="LineNr">  91 </span>  bb/copy-to-bx 0x1780/imm16
+<span id="L91" class="LineNr">  91 </span>  bb/copy-to-bx 0x1780/imm16                  <span class="subxComment"># &lt;====</span>
 <span id="L92" class="LineNr">  92 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
 <span id="L93" class="LineNr">  93 </span>  bb/copy-to-bx 0/imm16
 <span id="L94" class="LineNr">  94 </span>  cd/syscall 0x13/imm8/bios-disk-services
-<span id="L95" class="LineNr">  95 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L161'>disk_error</a>/disp16
+<span id="L95" class="LineNr">  95 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L175'>disk_error</a>/disp16
 <span id="L96" class="LineNr">  96 </span>
 <span id="L97" class="LineNr">  97 </span>  <span class="subxComment"># load two more tracks of disk into addresses [0x27400, 0x37000)</span>
 <span id="L98" class="LineNr">  98 </span>  b4/copy-to-ah 2/imm8/read-drive
 <span id="L99" class="LineNr">  99 </span>  <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span>
 <span id="L100" class="LineNr"> 100 </span>  b5/copy-to-ch 0/imm8/cylinder
-<span id="L101" class="LineNr"> 101 </span>  b6/copy-to-dh 4/imm8/head
+<span id="L101" class="LineNr"> 101 </span>  b6/copy-to-dh 4/imm8/head                   <span class="subxComment"># &lt;====</span>
 <span id="L102" class="LineNr"> 102 </span>  b1/copy-to-cl 1/imm8/sector  <span class="subxComment"># 1-based</span>
 <span id="L103" class="LineNr"> 103 </span>  b0/copy-to-al 0x7e/imm8/num-sectors  <span class="subxComment"># 2*63 = 126</span>
 <span id="L104" class="LineNr"> 104 </span>  <span class="subxComment"># address to write sectors to = es:bx = 0x27400, contiguous with boot segment</span>
-<span id="L105" class="LineNr"> 105 </span>  bb/copy-to-bx 0x2740/imm16
+<span id="L105" class="LineNr"> 105 </span>  bb/copy-to-bx 0x2740/imm16                  <span class="subxComment"># &lt;====</span>
 <span id="L106" class="LineNr"> 106 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
 <span id="L107" class="LineNr"> 107 </span>  bb/copy-to-bx 0/imm16
 <span id="L108" class="LineNr"> 108 </span>  cd/syscall 0x13/imm8/bios-disk-services
-<span id="L109" class="LineNr"> 109 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L161'>disk_error</a>/disp16
+<span id="L109" class="LineNr"> 109 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L175'>disk_error</a>/disp16
 <span id="L110" class="LineNr"> 110 </span>
 <span id="L111" class="LineNr"> 111 </span>  <span class="subxComment"># load two more tracks of disk into addresses [0x37000, 0x46c00)</span>
 <span id="L112" class="LineNr"> 112 </span>  b4/copy-to-ah 2/imm8/read-drive
 <span id="L113" class="LineNr"> 113 </span>  <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span>
 <span id="L114" class="LineNr"> 114 </span>  b5/copy-to-ch 0/imm8/cylinder
-<span id="L115" class="LineNr"> 115 </span>  b6/copy-to-dh 6/imm8/head
+<span id="L115" class="LineNr"> 115 </span>  b6/copy-to-dh 6/imm8/head                   <span class="subxComment"># &lt;====</span>
 <span id="L116" class="LineNr"> 116 </span>  b1/copy-to-cl 1/imm8/sector  <span class="subxComment"># 1-based</span>
 <span id="L117" class="LineNr"> 117 </span>  b0/copy-to-al 0x7e/imm8/num-sectors  <span class="subxComment"># 2*63 = 126</span>
 <span id="L118" class="LineNr"> 118 </span>  <span class="subxComment"># address to write sectors to = es:bx = 0x37000, contiguous with boot segment</span>
-<span id="L119" class="LineNr"> 119 </span>  bb/copy-to-bx 0x3700/imm16
+<span id="L119" class="LineNr"> 119 </span>  bb/copy-to-bx 0x3700/imm16                  <span class="subxComment"># &lt;====</span>
 <span id="L120" class="LineNr"> 120 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
 <span id="L121" class="LineNr"> 121 </span>  bb/copy-to-bx 0/imm16
 <span id="L122" class="LineNr"> 122 </span>  cd/syscall 0x13/imm8/bios-disk-services
-<span id="L123" class="LineNr"> 123 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L161'>disk_error</a>/disp16
+<span id="L123" class="LineNr"> 123 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L175'>disk_error</a>/disp16
 <span id="L124" class="LineNr"> 124 </span>
-<span id="L125" class="LineNr"> 125 </span>  <span class="subxComment"># reset es</span>
-<span id="L126" class="LineNr"> 126 </span>  bb/copy-to-bx 0/imm16
-<span id="L127" class="LineNr"> 127 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
-<span id="L128" class="LineNr"> 128 </span>
-<span id="L129" class="LineNr"> 129 </span>  <span class="subxComment"># adjust video mode</span>
-<span id="L130" class="LineNr"> 130 </span>  b4/copy-to-ah 0x4f/imm8  <span class="subxComment"># VBE commands</span>
-<span id="L131" class="LineNr"> 131 </span>  b0/copy-to-al 2/imm8  <span class="subxComment"># set video mode</span>
-<span id="L132" class="LineNr"> 132 </span>  bb/copy-to-bx 0x4105/imm16  <span class="subxComment"># 0x0105 | 0x4000</span>
-<span id="L133" class="LineNr"> 133 </span>                              <span class="subxComment"># 0x0105 = graphics mode 1024x768x256</span>
-<span id="L134" class="LineNr"> 134 </span>                              <span class="subxComment">#  (alternative candidate: 0x0101 for 640x480x256)</span>
-<span id="L135" class="LineNr"> 135 </span>                              <span class="subxComment"># 0x4000 bit = configure linear frame buffer in Bochs emulator; hopefully this doesn't hurt anything when running natively</span>
-<span id="L136" class="LineNr"> 136 </span>  cd/syscall 0x10/imm8/bios-video-services
-<span id="L137" class="LineNr"> 137 </span>
-<span id="L138" class="LineNr"> 138 </span>  <span class="subxComment"># load information for the (hopefully) current video mode</span>
-<span id="L139" class="LineNr"> 139 </span>  <span class="subxComment"># mostly just for the address to the linear frame buffer</span>
-<span id="L140" class="LineNr"> 140 </span>  b4/copy-to-ah 0x4f/imm8  <span class="subxComment"># VBE commands</span>
-<span id="L141" class="LineNr"> 141 </span>  b0/copy-to-al 1/imm8  <span class="subxComment"># get video mode info</span>
-<span id="L142" class="LineNr"> 142 </span>  b9/copy-to-cx 0x0105/imm16  <span class="subxComment"># mode we requested</span>
-<span id="L143" class="LineNr"> 143 </span>  bf/copy-to-di <span class="SpecialChar"><a href='boot.subx.html#L588'>Video-mode-info</a></span>/imm16
-<span id="L144" class="LineNr"> 144 </span>  cd/syscall 0x10/imm8/bios-video-services
-<span id="L145" class="LineNr"> 145 </span>
-<span id="L146" class="LineNr"> 146 </span>  <span class="subxComment">## switch to 32-bit mode</span>
-<span id="L147" class="LineNr"> 147 </span>  <span class="subxComment"># load global descriptor table</span>
-<span id="L148" class="LineNr"> 148 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't do the right</span>
-<span id="L149" class="LineNr"> 149 </span>  <span class="subxComment"># thing for lgdt, so rather than make errors worse in most places we instead</span>
-<span id="L150" class="LineNr"> 150 </span>  <span class="subxComment"># pin gdt_descriptor below.</span>
-<span id="L151" class="LineNr"> 151 </span>  0f 01 2/subop/lgdt 0/mod/indirect 6/rm32/use-disp16 0x7ce0/disp16/gdt_descriptor
-<span id="L152" class="LineNr"> 152 </span>  <span class="subxComment"># enable paging</span>
-<span id="L153" class="LineNr"> 153 </span>  0f 20/&lt;-cr 3/mod/direct 0/rm32/eax 0/r32/cr0
-<span id="L154" class="LineNr"> 154 </span>  66 83 1/subop/or 3/mod/direct 0/rm32/eax 1/imm8  <span class="subxComment"># eax &lt;- or 0x1</span>
-<span id="L155" class="LineNr"> 155 </span>  0f 22/-&gt;cr 3/mod/direct 0/rm32/eax 0/r32/cr0
-<span id="L156" class="LineNr"> 156 </span>  <span class="subxComment"># far jump to initialize_32bit_mode that sets cs to offset 8 in the gdt in the process</span>
-<span id="L157" class="LineNr"> 157 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't have syntax for</span>
-<span id="L158" class="LineNr"> 158 </span>  <span class="subxComment"># segment selectors. So we instead pin initialize_32bit_mode below.</span>
-<span id="L159" class="LineNr"> 159 </span>  ea/jump-far-absolute 0x00087d00/disp32  <span class="subxComment"># address 0x7d00 in offset 8 of the gdt</span>
-<span id="L160" class="LineNr"> 160 </span>
-<span id="L161" class="LineNr"> 161 </span><span class="subxFunction">disk_error</span>:
-<span id="L162" class="LineNr"> 162 </span>  <span class="subxComment"># print 'D' to top-left of screen to indicate disk error</span>
-<span id="L163" class="LineNr"> 163 </span>  <span class="subxComment"># *0xb8000 &lt;- 0x0f44</span>
-<span id="L164" class="LineNr"> 164 </span>  bb/copy-to-bx 0xb800/imm16
-<span id="L165" class="LineNr"> 165 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 3/r32/ds
-<span id="L166" class="LineNr"> 166 </span>  b0/copy-to-al 0x44/imm8/D
-<span id="L167" class="LineNr"> 167 </span>  b4/copy-to-ah 0x0f/imm8/white-on-black
-<span id="L168" class="LineNr"> 168 </span>  bb/copy-to-bx 0/imm16
-<span id="L169" class="LineNr"> 169 </span>  89/&lt;- 0/mod/indirect 7/rm32/bx 0/r32/ax  <span class="subxComment"># *ds:bx &lt;- ax</span>
-<span id="L170" class="LineNr"> 170 </span>  <span class="subxComment"># loop forever</span>
-<span id="L171" class="LineNr"> 171 </span>  {
-<span id="L172" class="LineNr"> 172 </span>    eb/jump <span class="Constant">loop</span>/disp8
-<span id="L173" class="LineNr"> 173 </span>  }
+<span id="L125" class="LineNr"> 125 </span>  <span class="subxComment"># load two more tracks of disk into addresses [0x46c00, 0x56800)</span>
+<span id="L126" class="LineNr"> 126 </span>  b4/copy-to-ah 2/imm8/read-drive
+<span id="L127" class="LineNr"> 127 </span>  <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span>
+<span id="L128" class="LineNr"> 128 </span>  b5/copy-to-ch 0/imm8/cylinder
+<span id="L129" class="LineNr"> 129 </span>  b6/copy-to-dh 8/imm8/head                   <span class="subxComment"># &lt;====</span>
+<span id="L130" class="LineNr"> 130 </span>  b1/copy-to-cl 1/imm8/sector  <span class="subxComment"># 1-based</span>
+<span id="L131" class="LineNr"> 131 </span>  b0/copy-to-al 0x7e/imm8/num-sectors  <span class="subxComment"># 2*63 = 126</span>
+<span id="L132" class="LineNr"> 132 </span>  <span class="subxComment"># address to write sectors to = es:bx = 0x46c00, contiguous with boot segment</span>
+<span id="L133" class="LineNr"> 133 </span>  bb/copy-to-bx 0x46c0/imm16                  <span class="subxComment"># &lt;====</span>
+<span id="L134" class="LineNr"> 134 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
+<span id="L135" class="LineNr"> 135 </span>  bb/copy-to-bx 0/imm16
+<span id="L136" class="LineNr"> 136 </span>  cd/syscall 0x13/imm8/bios-disk-services
+<span id="L137" class="LineNr"> 137 </span>  0f 82/jump-if-carry <a href='boot.subx.html#L175'>disk_error</a>/disp16
+<span id="L138" class="LineNr"> 138 </span>
+<span id="L139" class="LineNr"> 139 </span>  <span class="subxComment"># reset es</span>
+<span id="L140" class="LineNr"> 140 </span>  bb/copy-to-bx 0/imm16
+<span id="L141" class="LineNr"> 141 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 0/r32/es
+<span id="L142" class="LineNr"> 142 </span>
+<span id="L143" class="LineNr"> 143 </span>  <span class="subxComment"># adjust video mode</span>
+<span id="L144" class="LineNr"> 144 </span>  b4/copy-to-ah 0x4f/imm8  <span class="subxComment"># VBE commands</span>
+<span id="L145" class="LineNr"> 145 </span>  b0/copy-to-al 2/imm8  <span class="subxComment"># set video mode</span>
+<span id="L146" class="LineNr"> 146 </span>  bb/copy-to-bx 0x4105/imm16  <span class="subxComment"># 0x0105 | 0x4000</span>
+<span id="L147" class="LineNr"> 147 </span>                              <span class="subxComment"># 0x0105 = graphics mode 1024x768x256</span>
+<span id="L148" class="LineNr"> 148 </span>                              <span class="subxComment">#  (alternative candidate: 0x0101 for 640x480x256)</span>
+<span id="L149" class="LineNr"> 149 </span>                              <span class="subxComment"># 0x4000 bit = configure linear frame buffer in Bochs emulator; hopefully this doesn't hurt anything when running natively</span>
+<span id="L150" class="LineNr"> 150 </span>  cd/syscall 0x10/imm8/bios-video-services
+<span id="L151" class="LineNr"> 151 </span>
+<span id="L152" class="LineNr"> 152 </span>  <span class="subxComment"># load information for the (hopefully) current video mode</span>
+<span id="L153" class="LineNr"> 153 </span>  <span class="subxComment"># mostly just for the address to the linear frame buffer</span>
+<span id="L154" class="LineNr"> 154 </span>  b4/copy-to-ah 0x4f/imm8  <span class="subxComment"># VBE commands</span>
+<span id="L155" class="LineNr"> 155 </span>  b0/copy-to-al 1/imm8  <span class="subxComment"># get video mode info</span>
+<span id="L156" class="LineNr"> 156 </span>  b9/copy-to-cx 0x0105/imm16  <span class="subxComment"># mode we requested</span>
+<span id="L157" class="LineNr"> 157 </span>  bf/copy-to-di <span class="SpecialChar"><a href='boot.subx.html#L602'>Video-mode-info</a></span>/imm16
+<span id="L158" class="LineNr"> 158 </span>  cd/syscall 0x10/imm8/bios-video-services
+<span id="L159" class="LineNr"> 159 </span>
+<span id="L160" class="LineNr"> 160 </span>  <span class="subxComment">## switch to 32-bit mode</span>
+<span id="L161" class="LineNr"> 161 </span>  <span class="subxComment"># load global descriptor table</span>
+<span id="L162" class="LineNr"> 162 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't do the right</span>
+<span id="L163" class="LineNr"> 163 </span>  <span class="subxComment"># thing for lgdt, so rather than make errors worse in most places we instead</span>
+<span id="L164" class="LineNr"> 164 </span>  <span class="subxComment"># pin gdt_descriptor below.</span>
+<span id="L165" class="LineNr"> 165 </span>  0f 01 2/subop/lgdt 0/mod/indirect 6/rm32/use-disp16 0x7ce0/disp16/gdt_descriptor
+<span id="L166" class="LineNr"> 166 </span>  <span class="subxComment"># enable paging</span>
+<span id="L167" class="LineNr"> 167 </span>  0f 20/&lt;-cr 3/mod/direct 0/rm32/eax 0/r32/cr0
+<span id="L168" class="LineNr"> 168 </span>  66 83 1/subop/or 3/mod/direct 0/rm32/eax 1/imm8  <span class="subxComment"># eax &lt;- or 0x1</span>
+<span id="L169" class="LineNr"> 169 </span>  0f 22/-&gt;cr 3/mod/direct 0/rm32/eax 0/r32/cr0
+<span id="L170" class="LineNr"> 170 </span>  <span class="subxComment"># far jump to initialize_32bit_mode that sets cs to offset 8 in the gdt in the process</span>
+<span id="L171" class="LineNr"> 171 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't have syntax for</span>
+<span id="L172" class="LineNr"> 172 </span>  <span class="subxComment"># segment selectors. So we instead pin initialize_32bit_mode below.</span>
+<span id="L173" class="LineNr"> 173 </span>  ea/jump-far-absolute 0x00087d00/disp32  <span class="subxComment"># address 0x7d00 in offset 8 of the gdt</span>
 <span id="L174" class="LineNr"> 174 </span>
-<span id="L175" class="LineNr"> 175 </span><span class="subxComment">## GDT: 3 records of 8 bytes each</span>
-<span id="L176" class="LineNr"> 176 </span>== data 0x7ce0
-<span id="L177" class="LineNr"> 177 </span><span class="subxFunction">gdt_descriptor</span>:
-<span id="L178" class="LineNr"> 178 </span>  0x17/imm16  <span class="subxComment"># final index of gdt = size of gdt - 1</span>
-<span id="L179" class="LineNr"> 179 </span>  <a href='boot.subx.html#L181'>gdt_start</a>/imm32/start
-<span id="L180" class="LineNr"> 180 </span>
-<span id="L181" class="LineNr"> 181 </span><span class="subxFunction">gdt_start</span>:
-<span id="L182" class="LineNr"> 182 </span><span class="subxComment"># offset 0: gdt_null:  mandatory null descriptor</span>
-<span id="L183" class="LineNr"> 183 </span>  00 00 00 00 00 00 00 00
-<span id="L184" class="LineNr"> 184 </span><span class="subxComment"># offset 8: gdt_code</span>
-<span id="L185" class="LineNr"> 185 </span>  ff ff  <span class="subxComment"># limit[0:16]</span>
-<span id="L186" class="LineNr"> 186 </span>  00 00 00  <span class="subxComment"># base[0:24]</span>
-<span id="L187" class="LineNr"> 187 </span>  9a  <span class="subxComment"># 1/present 00/privilege 1/descriptor type = 1001b</span>
-<span id="L188" class="LineNr"> 188 </span>      <span class="subxComment"># 1/code 0/conforming 1/readable 0/accessed = 1010b</span>
-<span id="L189" class="LineNr"> 189 </span>  cf  <span class="subxComment"># 1/granularity 1/32-bit 0/64-bit-segment 0/AVL = 1100b</span>
-<span id="L190" class="LineNr"> 190 </span>      <span class="subxComment"># limit[16:20] = 1111b</span>
-<span id="L191" class="LineNr"> 191 </span>  00  <span class="subxComment"># base[24:32]</span>
-<span id="L192" class="LineNr"> 192 </span><span class="subxComment"># offset 16: gdt_data</span>
-<span id="L193" class="LineNr"> 193 </span>  ff ff  <span class="subxComment"># limit[0:16]</span>
-<span id="L194" class="LineNr"> 194 </span>  00 00 00  <span class="subxComment"># base[0:24]</span>
-<span id="L195" class="LineNr"> 195 </span>  92  <span class="subxComment"># 1/present 00/privilege 1/descriptor type = 1001b</span>
-<span id="L196" class="LineNr"> 196 </span>      <span class="subxComment"># 0/data 0/conforming 1/readable 0/accessed = 0010b</span>
-<span id="L197" class="LineNr"> 197 </span>  cf  <span class="subxComment"># same as gdt_code</span>
-<span id="L198" class="LineNr"> 198 </span>  00  <span class="subxComment"># base[24:32]</span>
-<span id="L199" class="LineNr"> 199 </span><span class="subxComment"># gdt_end:</span>
-<span id="L200" class="LineNr"> 200 </span>
-<span id="L201" class="LineNr"> 201 </span><span class="subxComment">## 32-bit code from this point</span>
-<span id="L202" class="LineNr"> 202 </span>
-<span id="L203" class="LineNr"> 203 </span>== code 0x7d00
-<span id="L204" class="LineNr"> 204 </span><span class="subxFunction">initialize_32bit_mode</span>:
-<span id="L205" class="LineNr"> 205 </span>  66 b8/copy-to-ax 0x10/imm16  <span class="subxComment"># offset 16 from gdt_start</span>
-<span id="L206" class="LineNr"> 206 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 3/r32/ds
-<span id="L207" class="LineNr"> 207 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 2/r32/ss
-<span id="L208" class="LineNr"> 208 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 0/r32/es
-<span id="L209" class="LineNr"> 209 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 4/r32/fs
-<span id="L210" class="LineNr"> 210 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 5/r32/gs
-<span id="L211" class="LineNr"> 211 </span>
-<span id="L212" class="LineNr"> 212 </span>  bc/copy-to-esp 0x02000000/imm32
-<span id="L213" class="LineNr"> 213 </span>
-<span id="L214" class="LineNr"> 214 </span>  <span class="subxComment">## load interrupt handlers</span>
-<span id="L215" class="LineNr"> 215 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't do the right</span>
-<span id="L216" class="LineNr"> 216 </span>  <span class="subxComment"># thing for lidt, so rather than make errors worse in most places we instead</span>
-<span id="L217" class="LineNr"> 217 </span>  <span class="subxComment"># pin idt_descriptor below.</span>
-<span id="L218" class="LineNr"> 218 </span>  0f 01 3/subop/lidt 0/mod/indirect 5/rm32/use-disp32 0x7e00/disp32/idt_descriptor
-<span id="L219" class="LineNr"> 219 </span>
-<span id="L220" class="LineNr"> 220 </span>  <span class="subxComment"># For now, not bothering reprogramming the IRQ to not conflict with software</span>
-<span id="L221" class="LineNr"> 221 </span>  <span class="subxComment"># exceptions.</span>
-<span id="L222" class="LineNr"> 222 </span>  <span class="subxComment">#   <a href="https://wiki.osdev.org/index.php?title=8259_PIC&amp;oldid=24650#Protected_Mode">https://wiki.osdev.org/index.php?title=8259_PIC&amp;oldid=24650#Protected_Mode</a></span>
-<span id="L223" class="LineNr"> 223 </span>  <span class="subxComment">#</span>
-<span id="L224" class="LineNr"> 224 </span>  <span class="subxComment"># Interrupt 1 (keyboard) conflicts with debugger faults. We don't use a</span>
-<span id="L225" class="LineNr"> 225 </span>  <span class="subxComment"># debugger.</span>
-<span id="L226" class="LineNr"> 226 </span>  <span class="subxComment"># Reference:</span>
-<span id="L227" class="LineNr"> 227 </span>  <span class="subxComment">#   <a href="https://wiki.osdev.org/Exceptions">https://wiki.osdev.org/Exceptions</a></span>
-<span id="L228" class="LineNr"> 228 </span>
-<span id="L229" class="LineNr"> 229 </span>  <span class="subxComment"># enable timer IRQ0 and keyboard IRQ1</span>
-<span id="L230" class="LineNr"> 230 </span>  b0/copy-to-al 0xfc/imm8  <span class="subxComment"># disable mask for IRQ0 and IRQ1</span>
-<span id="L231" class="LineNr"> 231 </span>  e6/write-al-into-port 0x21/imm8
-<span id="L232" class="LineNr"> 232 </span>
-<span id="L233" class="LineNr"> 233 </span>  fb/enable-interrupts
-<span id="L234" class="LineNr"> 234 </span>
-<span id="L235" class="LineNr"> 235 </span>  (<a href='boot.subx.html#L1492'>initialize-mouse</a>)
-<span id="L236" class="LineNr"> 236 </span>
-<span id="L237" class="LineNr"> 237 </span>  <span class="subxComment">## enable floating point</span>
-<span id="L238" class="LineNr"> 238 </span>  db/floating-point-coprocessor e3/initialize
-<span id="L239" class="LineNr"> 239 </span>  <span class="subxComment"># eax &lt;- cr4</span>
-<span id="L240" class="LineNr"> 240 </span>  0f 20/&lt;-cr 3/mod/direct 0/rm32/eax 4/r32/cr4
-<span id="L241" class="LineNr"> 241 </span>  <span class="subxComment"># eax &lt;- or bit 9</span>
-<span id="L242" class="LineNr"> 242 </span>  0f ba/bit-test 5/subop/bit-test-and-set 3/mod/direct 0/rm32/eax 9/imm8
-<span id="L243" class="LineNr"> 243 </span>  <span class="subxComment"># cr4 &lt;- eax</span>
-<span id="L244" class="LineNr"> 244 </span>  0f 22/-&gt;cr 3/mod/direct 0/rm32/eax 4/r32/cr4
-<span id="L245" class="LineNr"> 245 </span>
-<span id="L246" class="LineNr"> 246 </span>  e9/jump <span class="SpecialChar">Entry</span>/disp32
-<span id="L247" class="LineNr"> 247 </span>
-<span id="L248" class="LineNr"> 248 </span>== boot-sector-marker 0x7dfe
-<span id="L249" class="LineNr"> 249 </span><span class="subxComment"># final 2 bytes of boot sector</span>
-<span id="L250" class="LineNr"> 250 </span>55 aa
-<span id="L251" class="LineNr"> 251 </span>
-<span id="L252" class="LineNr"> 252 </span><span class="subxComment">## sector 2 onwards loaded by load_disk, not automatically on boot</span>
-<span id="L253" class="LineNr"> 253 </span>
-<span id="L254" class="LineNr"> 254 </span>== data 0x7e00
-<span id="L255" class="LineNr"> 255 </span><span class="subxFunction">idt_descriptor</span>:
-<span id="L256" class="LineNr"> 256 </span>  ff 03  <span class="subxComment"># final index of idt = size of idt - 1</span>
-<span id="L257" class="LineNr"> 257 </span>  <a href='boot.subx.html#L261'>idt_start</a>/imm32/start
-<span id="L258" class="LineNr"> 258 </span>
-<span id="L259" class="Folded"> 259 </span><span class="Folded">+-- 55 lines: # interrupt descriptor table ----------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L314" class="LineNr"> 314 </span>
-<span id="L315" class="LineNr"> 315 </span>== code
-<span id="L316" class="LineNr"> 316 </span>
-<span id="L317" class="LineNr"> 317 </span><span class="subxFunction">null-interrupt-handler</span>:
-<span id="L318" class="LineNr"> 318 </span>  <span class="subxComment"># prologue</span>
-<span id="L319" class="LineNr"> 319 </span>  <span class="subxComment"># Don't disable interrupts; the timer has the highest priority anyway,</span>
-<span id="L320" class="LineNr"> 320 </span>  <span class="subxComment"># and this interrupt triggers extremely frequently.</span>
-<span id="L321" class="LineNr"> 321 </span>  fa/disable-interrupts
-<span id="L322" class="LineNr"> 322 </span>  60/push-all-registers
-<span id="L323" class="LineNr"> 323 </span>  9c/push-flags
-<span id="L324" class="LineNr"> 324 </span>  <span class="subxComment"># acknowledge interrupt</span>
-<span id="L325" class="LineNr"> 325 </span>  b0/copy-to-al 0x20/imm8
-<span id="L326" class="LineNr"> 326 </span>  e6/write-al-into-port 0x20/imm8
-<span id="L327" class="LineNr"> 327 </span>  31/xor %eax 0/r32/eax
-<span id="L328" class="LineNr"> 328 </span><span class="Constant">$null-interrupt-handler:epilogue</span>:
-<span id="L329" class="LineNr"> 329 </span>  <span class="subxComment"># epilogue</span>
-<span id="L330" class="LineNr"> 330 </span>  9d/pop-flags
-<span id="L331" class="LineNr"> 331 </span>  61/pop-all-registers
-<span id="L332" class="LineNr"> 332 </span>  fb/enable-interrupts
-<span id="L333" class="LineNr"> 333 </span>  cf/return-from-interrupt
-<span id="L334" class="LineNr"> 334 </span>
-<span id="L335" class="LineNr"> 335 </span><span class="subxFunction">timer-interrupt-handler</span>:
-<span id="L336" class="LineNr"> 336 </span>  <span class="subxComment"># prologue</span>
-<span id="L337" class="LineNr"> 337 </span>  <span class="subxComment"># Don't disable interrupts; the timer has the highest priority anyway,</span>
-<span id="L338" class="LineNr"> 338 </span>  <span class="subxComment"># and this interrupt triggers extremely frequently.</span>
-<span id="L339" class="LineNr"> 339 </span>  fa/disable-interrupts
-<span id="L340" class="LineNr"> 340 </span>  60/push-all-registers
-<span id="L341" class="LineNr"> 341 </span>  9c/push-flags
-<span id="L342" class="LineNr"> 342 </span>  <span class="subxComment"># acknowledge interrupt</span>
-<span id="L343" class="LineNr"> 343 </span>  b0/copy-to-al 0x20/imm8
-<span id="L344" class="LineNr"> 344 </span>  e6/write-al-into-port 0x20/imm8
-<span id="L345" class="LineNr"> 345 </span>  31/xor %eax 0/r32/eax
-<span id="L346" class="LineNr"> 346 </span><span class="Constant">$timer-interrupt-handler:epilogue</span>:
-<span id="L347" class="LineNr"> 347 </span>  <span class="subxComment"># epilogue</span>
-<span id="L348" class="LineNr"> 348 </span>  9d/pop-flags
-<span id="L349" class="LineNr"> 349 </span>  61/pop-all-registers
-<span id="L350" class="LineNr"> 350 </span>  fb/enable-interrupts
-<span id="L351" class="LineNr"> 351 </span>  cf/return-from-interrupt
-<span id="L352" class="LineNr"> 352 </span>
-<span id="L353" class="LineNr"> 353 </span><span class="subxFunction">keyboard-interrupt-handler</span>:
-<span id="L354" class="LineNr"> 354 </span>  <span class="subxComment"># prologue</span>
-<span id="L355" class="LineNr"> 355 </span>  fa/disable-interrupts
-<span id="L356" class="LineNr"> 356 </span>  60/push-all-registers
-<span id="L357" class="LineNr"> 357 </span>  9c/push-flags
-<span id="L358" class="LineNr"> 358 </span>  <span class="subxComment"># acknowledge interrupt</span>
-<span id="L359" class="LineNr"> 359 </span>  b0/copy-to-al 0x20/imm8
-<span id="L360" class="LineNr"> 360 </span>  e6/write-al-into-port 0x20/imm8
-<span id="L361" class="LineNr"> 361 </span>  31/xor %eax 0/r32/eax
-<span id="L362" class="LineNr"> 362 </span>  <span class="subxComment"># check output buffer of 8042 keyboard controller (<a href="https://web.archive.org/web/20040604041507/http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html)">https://web.archive.org/web/20040604041507/http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html)</a></span>
-<span id="L363" class="LineNr"> 363 </span>  e4/read-port-into-al 0x64/imm8
-<span id="L364" class="LineNr"> 364 </span>  a8/test-bits-in-al 0x01/imm8  <span class="subxComment"># set zf if bit 0 (least significant) is not set</span>
-<span id="L365" class="LineNr"> 365 </span>  0f 84/jump-if-not-set $keyboard-interrupt-handler:epilogue/disp32
-<span id="L366" class="LineNr"> 366 </span>  <span class="subxH1Comment"># - if keyboard buffer is full, return</span>
-<span id="L367" class="LineNr"> 367 </span>  <span class="subxComment"># var dest-addr/ecx: (addr byte) = (keyboard-buffer + *keyboard-buffer:write)</span>
-<span id="L368" class="LineNr"> 368 </span>  31/xor %ecx 1/r32/ecx
-<span id="L369" class="LineNr"> 369 </span>  8a/byte-&gt; *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a> 1/r32/cl
-<span id="L370" class="LineNr"> 370 </span>  81 0/subop/add %ecx <span class="SpecialChar">Keyboard-buffer</span>:data/imm32
-<span id="L371" class="LineNr"> 371 </span>  <span class="subxComment"># al = *dest-addr</span>
-<span id="L372" class="LineNr"> 372 </span>  8a/byte-&gt; *ecx 0/r32/al
-<span id="L373" class="LineNr"> 373 </span>  <span class="subxComment"># if (al != 0) return</span>
-<span id="L374" class="LineNr"> 374 </span>  3c/compare-al-and 0/imm8
-<span id="L375" class="LineNr"> 375 </span>  0f 85/jump-if-!= $keyboard-interrupt-handler:epilogue/disp32
-<span id="L376" class="LineNr"> 376 </span>  <span class="subxH1Comment"># - read keycode</span>
-<span id="L377" class="LineNr"> 377 </span>  e4/read-port-into-al 0x60/imm8
-<span id="L378" class="LineNr"> 378 </span>  <span class="subxH1Comment"># - key released</span>
-<span id="L379" class="LineNr"> 379 </span>  <span class="subxComment"># if (al == 0xaa) shift = false  # left shift is being lifted</span>
-<span id="L380" class="LineNr"> 380 </span>  {
-<span id="L381" class="LineNr"> 381 </span>    3c/compare-al-and 0xaa/imm8
-<span id="L382" class="LineNr"> 382 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L383" class="LineNr"> 383 </span>    <span class="subxComment"># *shift = 0</span>
-<span id="L384" class="LineNr"> 384 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 0/imm32
-<span id="L385" class="LineNr"> 385 </span>  }
-<span id="L386" class="LineNr"> 386 </span>  <span class="subxComment"># if (al == 0xb6) shift = false  # right shift is being lifted</span>
-<span id="L387" class="LineNr"> 387 </span>  {
-<span id="L388" class="LineNr"> 388 </span>    3c/compare-al-and 0xb6/imm8
-<span id="L389" class="LineNr"> 389 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L390" class="LineNr"> 390 </span>    <span class="subxComment"># *shift = 0</span>
-<span id="L391" class="LineNr"> 391 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 0/imm32
-<span id="L392" class="LineNr"> 392 </span>  }
-<span id="L393" class="LineNr"> 393 </span>  <span class="subxComment"># if (al == 0x9d) ctrl = false  # ctrl is being lifted</span>
+<span id="L175" class="LineNr"> 175 </span><span class="subxFunction">disk_error</span>:
+<span id="L176" class="LineNr"> 176 </span>  <span class="subxComment"># print 'D' to top-left of screen to indicate disk error</span>
+<span id="L177" class="LineNr"> 177 </span>  <span class="subxComment"># *0xb8000 &lt;- 0x0f44</span>
+<span id="L178" class="LineNr"> 178 </span>  bb/copy-to-bx 0xb800/imm16
+<span id="L179" class="LineNr"> 179 </span>  8e/-&gt;seg 3/mod/direct 3/rm32/bx 3/r32/ds
+<span id="L180" class="LineNr"> 180 </span>  b0/copy-to-al 0x44/imm8/D
+<span id="L181" class="LineNr"> 181 </span>  b4/copy-to-ah 0x0f/imm8/white-on-black
+<span id="L182" class="LineNr"> 182 </span>  bb/copy-to-bx 0/imm16
+<span id="L183" class="LineNr"> 183 </span>  89/&lt;- 0/mod/indirect 7/rm32/bx 0/r32/ax  <span class="subxComment"># *ds:bx &lt;- ax</span>
+<span id="L184" class="LineNr"> 184 </span>  <span class="subxComment"># loop forever</span>
+<span id="L185" class="LineNr"> 185 </span>  {
+<span id="L186" class="LineNr"> 186 </span>    eb/jump <span class="Constant">loop</span>/disp8
+<span id="L187" class="LineNr"> 187 </span>  }
+<span id="L188" class="LineNr"> 188 </span>
+<span id="L189" class="LineNr"> 189 </span><span class="subxComment">## GDT: 3 records of 8 bytes each</span>
+<span id="L190" class="LineNr"> 190 </span>== data 0x7ce0
+<span id="L191" class="LineNr"> 191 </span><span class="subxFunction">gdt_descriptor</span>:
+<span id="L192" class="LineNr"> 192 </span>  0x17/imm16  <span class="subxComment"># final index of gdt = size of gdt - 1</span>
+<span id="L193" class="LineNr"> 193 </span>  <a href='boot.subx.html#L195'>gdt_start</a>/imm32/start
+<span id="L194" class="LineNr"> 194 </span>
+<span id="L195" class="LineNr"> 195 </span><span class="subxFunction">gdt_start</span>:
+<span id="L196" class="LineNr"> 196 </span><span class="subxComment"># offset 0: gdt_null:  mandatory null descriptor</span>
+<span id="L197" class="LineNr"> 197 </span>  00 00 00 00 00 00 00 00
+<span id="L198" class="LineNr"> 198 </span><span class="subxComment"># offset 8: gdt_code</span>
+<span id="L199" class="LineNr"> 199 </span>  ff ff  <span class="subxComment"># limit[0:16]</span>
+<span id="L200" class="LineNr"> 200 </span>  00 00 00  <span class="subxComment"># base[0:24]</span>
+<span id="L201" class="LineNr"> 201 </span>  9a  <span class="subxComment"># 1/present 00/privilege 1/descriptor type = 1001b</span>
+<span id="L202" class="LineNr"> 202 </span>      <span class="subxComment"># 1/code 0/conforming 1/readable 0/accessed = 1010b</span>
+<span id="L203" class="LineNr"> 203 </span>  cf  <span class="subxComment"># 1/granularity 1/32-bit 0/64-bit-segment 0/AVL = 1100b</span>
+<span id="L204" class="LineNr"> 204 </span>      <span class="subxComment"># limit[16:20] = 1111b</span>
+<span id="L205" class="LineNr"> 205 </span>  00  <span class="subxComment"># base[24:32]</span>
+<span id="L206" class="LineNr"> 206 </span><span class="subxComment"># offset 16: gdt_data</span>
+<span id="L207" class="LineNr"> 207 </span>  ff ff  <span class="subxComment"># limit[0:16]</span>
+<span id="L208" class="LineNr"> 208 </span>  00 00 00  <span class="subxComment"># base[0:24]</span>
+<span id="L209" class="LineNr"> 209 </span>  92  <span class="subxComment"># 1/present 00/privilege 1/descriptor type = 1001b</span>
+<span id="L210" class="LineNr"> 210 </span>      <span class="subxComment"># 0/data 0/conforming 1/readable 0/accessed = 0010b</span>
+<span id="L211" class="LineNr"> 211 </span>  cf  <span class="subxComment"># same as gdt_code</span>
+<span id="L212" class="LineNr"> 212 </span>  00  <span class="subxComment"># base[24:32]</span>
+<span id="L213" class="LineNr"> 213 </span><span class="subxComment"># gdt_end:</span>
+<span id="L214" class="LineNr"> 214 </span>
+<span id="L215" class="LineNr"> 215 </span><span class="subxComment">## 32-bit code from this point</span>
+<span id="L216" class="LineNr"> 216 </span>
+<span id="L217" class="LineNr"> 217 </span>== code 0x7d00
+<span id="L218" class="LineNr"> 218 </span><span class="subxFunction">initialize_32bit_mode</span>:
+<span id="L219" class="LineNr"> 219 </span>  66 b8/copy-to-ax 0x10/imm16  <span class="subxComment"># offset 16 from gdt_start</span>
+<span id="L220" class="LineNr"> 220 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 3/r32/ds
+<span id="L221" class="LineNr"> 221 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 2/r32/ss
+<span id="L222" class="LineNr"> 222 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 0/r32/es
+<span id="L223" class="LineNr"> 223 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 4/r32/fs
+<span id="L224" class="LineNr"> 224 </span>  8e/-&gt;seg 3/mod/direct 0/rm32/ax 5/r32/gs
+<span id="L225" class="LineNr"> 225 </span>
+<span id="L226" class="LineNr"> 226 </span>  bc/copy-to-esp 0x02000000/imm32
+<span id="L227" class="LineNr"> 227 </span>
+<span id="L228" class="LineNr"> 228 </span>  <span class="subxComment">## load interrupt handlers</span>
+<span id="L229" class="LineNr"> 229 </span>  <span class="subxComment"># We can't refer to the label directly because SubX doesn't do the right</span>
+<span id="L230" class="LineNr"> 230 </span>  <span class="subxComment"># thing for lidt, so rather than make errors worse in most places we instead</span>
+<span id="L231" class="LineNr"> 231 </span>  <span class="subxComment"># pin idt_descriptor below.</span>
+<span id="L232" class="LineNr"> 232 </span>  0f 01 3/subop/lidt 0/mod/indirect 5/rm32/use-disp32 0x7e00/disp32/idt_descriptor
+<span id="L233" class="LineNr"> 233 </span>
+<span id="L234" class="LineNr"> 234 </span>  <span class="subxComment"># For now, not bothering reprogramming the IRQ to not conflict with software</span>
+<span id="L235" class="LineNr"> 235 </span>  <span class="subxComment"># exceptions.</span>
+<span id="L236" class="LineNr"> 236 </span>  <span class="subxComment">#   <a href="https://wiki.osdev.org/index.php?title=8259_PIC&amp;oldid=24650#Protected_Mode">https://wiki.osdev.org/index.php?title=8259_PIC&amp;oldid=24650#Protected_Mode</a></span>
+<span id="L237" class="LineNr"> 237 </span>  <span class="subxComment">#</span>
+<span id="L238" class="LineNr"> 238 </span>  <span class="subxComment"># Interrupt 1 (keyboard) conflicts with debugger faults. We don't use a</span>
+<span id="L239" class="LineNr"> 239 </span>  <span class="subxComment"># debugger.</span>
+<span id="L240" class="LineNr"> 240 </span>  <span class="subxComment"># Reference:</span>
+<span id="L241" class="LineNr"> 241 </span>  <span class="subxComment">#   <a href="https://wiki.osdev.org/Exceptions">https://wiki.osdev.org/Exceptions</a></span>
+<span id="L242" class="LineNr"> 242 </span>
+<span id="L243" class="LineNr"> 243 </span>  <span class="subxComment"># enable timer IRQ0 and keyboard IRQ1</span>
+<span id="L244" class="LineNr"> 244 </span>  b0/copy-to-al 0xfc/imm8  <span class="subxComment"># disable mask for IRQ0 and IRQ1</span>
+<span id="L245" class="LineNr"> 245 </span>  e6/write-al-into-port 0x21/imm8
+<span id="L246" class="LineNr"> 246 </span>
+<span id="L247" class="LineNr"> 247 </span>  fb/enable-interrupts
+<span id="L248" class="LineNr"> 248 </span>
+<span id="L249" class="LineNr"> 249 </span>  (<a href='boot.subx.html#L1506'>initialize-mouse</a>)
+<span id="L250" class="LineNr"> 250 </span>
+<span id="L251" class="LineNr"> 251 </span>  <span class="subxComment">## enable floating point</span>
+<span id="L252" class="LineNr"> 252 </span>  db/floating-point-coprocessor e3/initialize
+<span id="L253" class="LineNr"> 253 </span>  <span class="subxComment"># eax &lt;- cr4</span>
+<span id="L254" class="LineNr"> 254 </span>  0f 20/&lt;-cr 3/mod/direct 0/rm32/eax 4/r32/cr4
+<span id="L255" class="LineNr"> 255 </span>  <span class="subxComment"># eax &lt;- or bit 9</span>
+<span id="L256" class="LineNr"> 256 </span>  0f ba/bit-test 5/subop/bit-test-and-set 3/mod/direct 0/rm32/eax 9/imm8
+<span id="L257" class="LineNr"> 257 </span>  <span class="subxComment"># cr4 &lt;- eax</span>
+<span id="L258" class="LineNr"> 258 </span>  0f 22/-&gt;cr 3/mod/direct 0/rm32/eax 4/r32/cr4
+<span id="L259" class="LineNr"> 259 </span>
+<span id="L260" class="LineNr"> 260 </span>  e9/jump <span class="SpecialChar">Entry</span>/disp32
+<span id="L261" class="LineNr"> 261 </span>
+<span id="L262" class="LineNr"> 262 </span>== boot-sector-marker 0x7dfe
+<span id="L263" class="LineNr"> 263 </span><span class="subxComment"># final 2 bytes of boot sector</span>
+<span id="L264" class="LineNr"> 264 </span>55 aa
+<span id="L265" class="LineNr"> 265 </span>
+<span id="L266" class="LineNr"> 266 </span><span class="subxComment">## sector 2 onwards loaded by load_disk, not automatically on boot</span>
+<span id="L267" class="LineNr"> 267 </span>
+<span id="L268" class="LineNr"> 268 </span>== data 0x7e00
+<span id="L269" class="LineNr"> 269 </span><span class="subxFunction">idt_descriptor</span>:
+<span id="L270" class="LineNr"> 270 </span>  ff 03  <span class="subxComment"># final index of idt = size of idt - 1</span>
+<span id="L271" class="LineNr"> 271 </span>  <a href='boot.subx.html#L275'>idt_start</a>/imm32/start
+<span id="L272" class="LineNr"> 272 </span>
+<span id="L273" class="Folded"> 273 </span><span class="Folded">+-- 55 lines: # interrupt descriptor table ----------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L328" class="LineNr"> 328 </span>
+<span id="L329" class="LineNr"> 329 </span>== code
+<span id="L330" class="LineNr"> 330 </span>
+<span id="L331" class="LineNr"> 331 </span><span class="subxFunction">null-interrupt-handler</span>:
+<span id="L332" class="LineNr"> 332 </span>  <span class="subxComment"># prologue</span>
+<span id="L333" class="LineNr"> 333 </span>  <span class="subxComment"># Don't disable interrupts; the timer has the highest priority anyway,</span>
+<span id="L334" class="LineNr"> 334 </span>  <span class="subxComment"># and this interrupt triggers extremely frequently.</span>
+<span id="L335" class="LineNr"> 335 </span>  fa/disable-interrupts
+<span id="L336" class="LineNr"> 336 </span>  60/push-all-registers
+<span id="L337" class="LineNr"> 337 </span>  9c/push-flags
+<span id="L338" class="LineNr"> 338 </span>  <span class="subxComment"># acknowledge interrupt</span>
+<span id="L339" class="LineNr"> 339 </span>  b0/copy-to-al 0x20/imm8
+<span id="L340" class="LineNr"> 340 </span>  e6/write-al-into-port 0x20/imm8
+<span id="L341" class="LineNr"> 341 </span>  31/xor %eax 0/r32/eax
+<span id="L342" class="LineNr"> 342 </span><span class="Constant">$null-interrupt-handler:epilogue</span>:
+<span id="L343" class="LineNr"> 343 </span>  <span class="subxComment"># epilogue</span>
+<span id="L344" class="LineNr"> 344 </span>  9d/pop-flags
+<span id="L345" class="LineNr"> 345 </span>  61/pop-all-registers
+<span id="L346" class="LineNr"> 346 </span>  fb/enable-interrupts
+<span id="L347" class="LineNr"> 347 </span>  cf/return-from-interrupt
+<span id="L348" class="LineNr"> 348 </span>
+<span id="L349" class="LineNr"> 349 </span><span class="subxFunction">timer-interrupt-handler</span>:
+<span id="L350" class="LineNr"> 350 </span>  <span class="subxComment"># prologue</span>
+<span id="L351" class="LineNr"> 351 </span>  <span class="subxComment"># Don't disable interrupts; the timer has the highest priority anyway,</span>
+<span id="L352" class="LineNr"> 352 </span>  <span class="subxComment"># and this interrupt triggers extremely frequently.</span>
+<span id="L353" class="LineNr"> 353 </span>  fa/disable-interrupts
+<span id="L354" class="LineNr"> 354 </span>  60/push-all-registers
+<span id="L355" class="LineNr"> 355 </span>  9c/push-flags
+<span id="L356" class="LineNr"> 356 </span>  <span class="subxComment"># acknowledge interrupt</span>
+<span id="L357" class="LineNr"> 357 </span>  b0/copy-to-al 0x20/imm8
+<span id="L358" class="LineNr"> 358 </span>  e6/write-al-into-port 0x20/imm8
+<span id="L359" class="LineNr"> 359 </span>  31/xor %eax 0/r32/eax
+<span id="L360" class="LineNr"> 360 </span><span class="Constant">$timer-interrupt-handler:epilogue</span>:
+<span id="L361" class="LineNr"> 361 </span>  <span class="subxComment"># epilogue</span>
+<span id="L362" class="LineNr"> 362 </span>  9d/pop-flags
+<span id="L363" class="LineNr"> 363 </span>  61/pop-all-registers
+<span id="L364" class="LineNr"> 364 </span>  fb/enable-interrupts
+<span id="L365" class="LineNr"> 365 </span>  cf/return-from-interrupt
+<span id="L366" class="LineNr"> 366 </span>
+<span id="L367" class="LineNr"> 367 </span><span class="subxFunction">keyboard-interrupt-handler</span>:
+<span id="L368" class="LineNr"> 368 </span>  <span class="subxComment"># prologue</span>
+<span id="L369" class="LineNr"> 369 </span>  fa/disable-interrupts
+<span id="L370" class="LineNr"> 370 </span>  60/push-all-registers
+<span id="L371" class="LineNr"> 371 </span>  9c/push-flags
+<span id="L372" class="LineNr"> 372 </span>  <span class="subxComment"># acknowledge interrupt</span>
+<span id="L373" class="LineNr"> 373 </span>  b0/copy-to-al 0x20/imm8
+<span id="L374" class="LineNr"> 374 </span>  e6/write-al-into-port 0x20/imm8
+<span id="L375" class="LineNr"> 375 </span>  31/xor %eax 0/r32/eax
+<span id="L376" class="LineNr"> 376 </span>  <span class="subxComment"># check output buffer of 8042 keyboard controller (<a href="https://web.archive.org/web/20040604041507/http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html)">https://web.archive.org/web/20040604041507/http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html)</a></span>
+<span id="L377" class="LineNr"> 377 </span>  e4/read-port-into-al 0x64/imm8
+<span id="L378" class="LineNr"> 378 </span>  a8/test-bits-in-al 0x01/imm8  <span class="subxComment"># set zf if bit 0 (least significant) is not set</span>
+<span id="L379" class="LineNr"> 379 </span>  0f 84/jump-if-not-set $keyboard-interrupt-handler:epilogue/disp32
+<span id="L380" class="LineNr"> 380 </span>  <span class="subxH1Comment"># - if keyboard buffer is full, return</span>
+<span id="L381" class="LineNr"> 381 </span>  <span class="subxComment"># var dest-addr/ecx: (addr byte) = (keyboard-buffer + *keyboard-buffer:write)</span>
+<span id="L382" class="LineNr"> 382 </span>  31/xor %ecx 1/r32/ecx
+<span id="L383" class="LineNr"> 383 </span>  8a/byte-&gt; *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a> 1/r32/cl
+<span id="L384" class="LineNr"> 384 </span>  81 0/subop/add %ecx <span class="SpecialChar">Keyboard-buffer</span>:data/imm32
+<span id="L385" class="LineNr"> 385 </span>  <span class="subxComment"># al = *dest-addr</span>
+<span id="L386" class="LineNr"> 386 </span>  8a/byte-&gt; *ecx 0/r32/al
+<span id="L387" class="LineNr"> 387 </span>  <span class="subxComment"># if (al != 0) return</span>
+<span id="L388" class="LineNr"> 388 </span>  3c/compare-al-and 0/imm8
+<span id="L389" class="LineNr"> 389 </span>  0f 85/jump-if-!= $keyboard-interrupt-handler:epilogue/disp32
+<span id="L390" class="LineNr"> 390 </span>  <span class="subxH1Comment"># - read keycode</span>
+<span id="L391" class="LineNr"> 391 </span>  e4/read-port-into-al 0x60/imm8
+<span id="L392" class="LineNr"> 392 </span>  <span class="subxH1Comment"># - key released</span>
+<span id="L393" class="LineNr"> 393 </span>  <span class="subxComment"># if (al == 0xaa) shift = false  # left shift is being lifted</span>
 <span id="L394" class="LineNr"> 394 </span>  {
-<span id="L395" class="LineNr"> 395 </span>    3c/compare-al-and 0x9d/imm8
+<span id="L395" class="LineNr"> 395 </span>    3c/compare-al-and 0xaa/imm8
 <span id="L396" class="LineNr"> 396 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L397" class="LineNr"> 397 </span>    <span class="subxComment"># *ctrl = 0</span>
-<span id="L398" class="LineNr"> 398 </span>    c7 0/subop/copy *Keyboard-ctrl-pressed? 0/imm32
+<span id="L397" class="LineNr"> 397 </span>    <span class="subxComment"># *shift = 0</span>
+<span id="L398" class="LineNr"> 398 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 0/imm32
 <span id="L399" class="LineNr"> 399 </span>  }
-<span id="L400" class="LineNr"> 400 </span>  <span class="subxComment"># if (al &amp; 0x80) a key is being lifted; return</span>
-<span id="L401" class="LineNr"> 401 </span>  50/push-eax
-<span id="L402" class="LineNr"> 402 </span>  24/and-al-with 0x80/imm8
-<span id="L403" class="LineNr"> 403 </span>  3c/compare-al-and 0/imm8
-<span id="L404" class="LineNr"> 404 </span>  58/pop-to-eax
-<span id="L405" class="LineNr"> 405 </span>  75/jump-if-!= $keyboard-interrupt-handler:epilogue/disp8
-<span id="L406" class="LineNr"> 406 </span>  <span class="subxH1Comment"># - key pressed</span>
-<span id="L407" class="LineNr"> 407 </span>  <span class="subxComment"># if (al == 0x2a) shift = true, return  # left shift pressed</span>
+<span id="L400" class="LineNr"> 400 </span>  <span class="subxComment"># if (al == 0xb6) shift = false  # right shift is being lifted</span>
+<span id="L401" class="LineNr"> 401 </span>  {
+<span id="L402" class="LineNr"> 402 </span>    3c/compare-al-and 0xb6/imm8
+<span id="L403" class="LineNr"> 403 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
+<span id="L404" class="LineNr"> 404 </span>    <span class="subxComment"># *shift = 0</span>
+<span id="L405" class="LineNr"> 405 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 0/imm32
+<span id="L406" class="LineNr"> 406 </span>  }
+<span id="L407" class="LineNr"> 407 </span>  <span class="subxComment"># if (al == 0x9d) ctrl = false  # ctrl is being lifted</span>
 <span id="L408" class="LineNr"> 408 </span>  {
-<span id="L409" class="LineNr"> 409 </span>    3c/compare-al-and 0x2a/imm8
+<span id="L409" class="LineNr"> 409 </span>    3c/compare-al-and 0x9d/imm8
 <span id="L410" class="LineNr"> 410 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L411" class="LineNr"> 411 </span>    <span class="subxComment"># *shift = 1</span>
-<span id="L412" class="LineNr"> 412 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 1/imm32
-<span id="L413" class="LineNr"> 413 </span>    <span class="subxComment"># return</span>
-<span id="L414" class="LineNr"> 414 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
-<span id="L415" class="LineNr"> 415 </span>  }
-<span id="L416" class="LineNr"> 416 </span>  <span class="subxComment"># if (al == 0x36) shift = true, return  # right shift pressed</span>
-<span id="L417" class="LineNr"> 417 </span>  {
-<span id="L418" class="LineNr"> 418 </span>    3c/compare-al-and 0x36/imm8
-<span id="L419" class="LineNr"> 419 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L420" class="LineNr"> 420 </span>    <span class="subxComment"># *shift = 1</span>
-<span id="L421" class="LineNr"> 421 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 1/imm32
-<span id="L422" class="LineNr"> 422 </span>    <span class="subxComment"># return</span>
-<span id="L423" class="LineNr"> 423 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
-<span id="L424" class="LineNr"> 424 </span>  }
-<span id="L425" class="LineNr"> 425 </span>  <span class="subxComment"># if (al == 0x1d) ctrl = true, return</span>
-<span id="L426" class="LineNr"> 426 </span>  {
-<span id="L427" class="LineNr"> 427 </span>    3c/compare-al-and 0x1d/imm8
-<span id="L428" class="LineNr"> 428 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L429" class="LineNr"> 429 </span>    <span class="subxComment"># *ctrl = 1</span>
-<span id="L430" class="LineNr"> 430 </span>    c7 0/subop/copy *Keyboard-ctrl-pressed? 1/imm32
-<span id="L431" class="LineNr"> 431 </span>    <span class="subxComment"># return</span>
-<span id="L432" class="LineNr"> 432 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
-<span id="L433" class="LineNr"> 433 </span>  }
-<span id="L434" class="LineNr"> 434 </span>  <span class="subxH1Comment"># - convert key to character</span>
-<span id="L435" class="LineNr"> 435 </span>  <span class="subxComment"># if (shift) use keyboard shift map</span>
-<span id="L436" class="LineNr"> 436 </span>  {
-<span id="L437" class="LineNr"> 437 </span>    81 7/subop/compare *Keyboard-shift-pressed? 0/imm32
-<span id="L438" class="LineNr"> 438 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L439" class="LineNr"> 439 </span>    <span class="subxComment"># sigils don't currently support labels inside *(eax+label)</span>
-<span id="L440" class="LineNr"> 440 </span>    05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L527'>Keyboard-shift-map</a></span>/imm32
-<span id="L441" class="LineNr"> 441 </span>    8a/byte-&gt; *eax 0/r32/al
-<span id="L442" class="LineNr"> 442 </span>    eb/jump $keyboard-interrupt-handler:select-map-done/disp8
-<span id="L443" class="LineNr"> 443 </span>  }
-<span id="L444" class="LineNr"> 444 </span>  <span class="subxComment"># if (ctrl) al = *(ctrl map + al)</span>
-<span id="L445" class="LineNr"> 445 </span>  {
-<span id="L446" class="LineNr"> 446 </span>    81 7/subop/compare *Keyboard-ctrl-pressed? 0/imm32
-<span id="L447" class="LineNr"> 447 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L448" class="LineNr"> 448 </span>    05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L559'>Keyboard-ctrl-map</a></span>/imm32
-<span id="L449" class="LineNr"> 449 </span>    8a/byte-&gt; *eax 0/r32/al
-<span id="L450" class="LineNr"> 450 </span>    eb/jump $keyboard-interrupt-handler:select-map-done/disp8
-<span id="L451" class="LineNr"> 451 </span>  }
-<span id="L452" class="LineNr"> 452 </span>  <span class="subxComment"># otherwise al = *(normal map + al)</span>
-<span id="L453" class="LineNr"> 453 </span>  05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L493'>Keyboard-normal-map</a></span>/imm32
-<span id="L454" class="LineNr"> 454 </span>  8a/byte-&gt; *eax 0/r32/al
-<span id="L455" class="LineNr"> 455 </span><span class="Constant">$keyboard-interrupt-handler:select-map-done</span>:
-<span id="L456" class="LineNr"> 456 </span>  <span class="subxH1Comment"># - if there's no character mapping, return</span>
-<span id="L457" class="LineNr"> 457 </span>  {
-<span id="L458" class="LineNr"> 458 </span>    3c/compare-al-and 0/imm8
-<span id="L459" class="LineNr"> 459 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L460" class="LineNr"> 460 </span>    <span class="subxH1Comment"># - store al in keyboard buffer</span>
-<span id="L461" class="LineNr"> 461 </span>    88/&lt;- *ecx 0/r32/al
-<span id="L462" class="LineNr"> 462 </span>    <span class="subxComment"># increment index</span>
-<span id="L463" class="LineNr"> 463 </span>    fe/increment-byte *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a>
-<span id="L464" class="LineNr"> 464 </span>    <span class="subxComment"># clear top nibble of index (keyboard buffer is circular)</span>
-<span id="L465" class="LineNr"> 465 </span>    80 4/subop/and-byte *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a> 0x0f/imm8
-<span id="L466" class="LineNr"> 466 </span>  }
-<span id="L467" class="LineNr"> 467 </span><span class="Constant">$keyboard-interrupt-handler:epilogue</span>:
-<span id="L468" class="LineNr"> 468 </span>  <span class="subxComment"># epilogue</span>
-<span id="L469" class="LineNr"> 469 </span>  9d/pop-flags
-<span id="L470" class="LineNr"> 470 </span>  61/pop-all-registers
-<span id="L471" class="LineNr"> 471 </span>  fb/enable-interrupts
-<span id="L472" class="LineNr"> 472 </span>  cf/return-from-interrupt
-<span id="L473" class="LineNr"> 473 </span>
-<span id="L474" class="LineNr"> 474 </span>== data
-<span id="L475" class="LineNr"> 475 </span>Keyboard-shift-pressed?:  <span class="subxComment"># boolean</span>
-<span id="L476" class="LineNr"> 476 </span>  0/imm32
-<span id="L477" class="LineNr"> 477 </span>
-<span id="L478" class="LineNr"> 478 </span>Keyboard-ctrl-pressed?:  <span class="subxComment"># boolean</span>
-<span id="L479" class="LineNr"> 479 </span>  0/imm32
-<span id="L480" class="LineNr"> 480 </span>
-<span id="L481" class="LineNr"> 481 </span><span class="subxComment"># var keyboard circular buffer</span>
-<span id="L482" class="LineNr"> 482 </span><span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a>:  <span class="subxComment"># nibble</span>
-<span id="L483" class="LineNr"> 483 </span>  0/imm32
-<span id="L484" class="LineNr"> 484 </span><span class="SpecialChar">Keyboard-buffer</span>:read:  <span class="subxComment"># nibble</span>
-<span id="L485" class="LineNr"> 485 </span>  0/imm32
-<span id="L486" class="LineNr"> 486 </span><span class="SpecialChar">Keyboard-buffer</span>:data:  <span class="subxComment"># byte[16]</span>
-<span id="L487" class="LineNr"> 487 </span>  00 00 00 00
-<span id="L488" class="LineNr"> 488 </span>  00 00 00 00
-<span id="L489" class="LineNr"> 489 </span>  00 00 00 00
-<span id="L490" class="LineNr"> 490 </span>  00 00 00 00
+<span id="L411" class="LineNr"> 411 </span>    <span class="subxComment"># *ctrl = 0</span>
+<span id="L412" class="LineNr"> 412 </span>    c7 0/subop/copy *Keyboard-ctrl-pressed? 0/imm32
+<span id="L413" class="LineNr"> 413 </span>  }
+<span id="L414" class="LineNr"> 414 </span>  <span class="subxComment"># if (al &amp; 0x80) a key is being lifted; return</span>
+<span id="L415" class="LineNr"> 415 </span>  50/push-eax
+<span id="L416" class="LineNr"> 416 </span>  24/and-al-with 0x80/imm8
+<span id="L417" class="LineNr"> 417 </span>  3c/compare-al-and 0/imm8
+<span id="L418" class="LineNr"> 418 </span>  58/pop-to-eax
+<span id="L419" class="LineNr"> 419 </span>  75/jump-if-!= $keyboard-interrupt-handler:epilogue/disp8
+<span id="L420" class="LineNr"> 420 </span>  <span class="subxH1Comment"># - key pressed</span>
+<span id="L421" class="LineNr"> 421 </span>  <span class="subxComment"># if (al == 0x2a) shift = true, return  # left shift pressed</span>
+<span id="L422" class="LineNr"> 422 </span>  {
+<span id="L423" class="LineNr"> 423 </span>    3c/compare-al-and 0x2a/imm8
+<span id="L424" class="LineNr"> 424 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
+<span id="L425" class="LineNr"> 425 </span>    <span class="subxComment"># *shift = 1</span>
+<span id="L426" class="LineNr"> 426 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 1/imm32
+<span id="L427" class="LineNr"> 427 </span>    <span class="subxComment"># return</span>
+<span id="L428" class="LineNr"> 428 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
+<span id="L429" class="LineNr"> 429 </span>  }
+<span id="L430" class="LineNr"> 430 </span>  <span class="subxComment"># if (al == 0x36) shift = true, return  # right shift pressed</span>
+<span id="L431" class="LineNr"> 431 </span>  {
+<span id="L432" class="LineNr"> 432 </span>    3c/compare-al-and 0x36/imm8
+<span id="L433" class="LineNr"> 433 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
+<span id="L434" class="LineNr"> 434 </span>    <span class="subxComment"># *shift = 1</span>
+<span id="L435" class="LineNr"> 435 </span>    c7 0/subop/copy *Keyboard-shift-pressed? 1/imm32
+<span id="L436" class="LineNr"> 436 </span>    <span class="subxComment"># return</span>
+<span id="L437" class="LineNr"> 437 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
+<span id="L438" class="LineNr"> 438 </span>  }
+<span id="L439" class="LineNr"> 439 </span>  <span class="subxComment"># if (al == 0x1d) ctrl = true, return</span>
+<span id="L440" class="LineNr"> 440 </span>  {
+<span id="L441" class="LineNr"> 441 </span>    3c/compare-al-and 0x1d/imm8
+<span id="L442" class="LineNr"> 442 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
+<span id="L443" class="LineNr"> 443 </span>    <span class="subxComment"># *ctrl = 1</span>
+<span id="L444" class="LineNr"> 444 </span>    c7 0/subop/copy *Keyboard-ctrl-pressed? 1/imm32
+<span id="L445" class="LineNr"> 445 </span>    <span class="subxComment"># return</span>
+<span id="L446" class="LineNr"> 446 </span>    eb/jump $keyboard-interrupt-handler:epilogue/disp8
+<span id="L447" class="LineNr"> 447 </span>  }
+<span id="L448" class="LineNr"> 448 </span>  <span class="subxH1Comment"># - convert key to character</span>
+<span id="L449" class="LineNr"> 449 </span>  <span class="subxComment"># if (shift) use keyboard shift map</span>
+<span id="L450" class="LineNr"> 450 </span>  {
+<span id="L451" class="LineNr"> 451 </span>    81 7/subop/compare *Keyboard-shift-pressed? 0/imm32
+<span id="L452" class="LineNr"> 452 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L453" class="LineNr"> 453 </span>    <span class="subxComment"># sigils don't currently support labels inside *(eax+label)</span>
+<span id="L454" class="LineNr"> 454 </span>    05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L541'>Keyboard-shift-map</a></span>/imm32
+<span id="L455" class="LineNr"> 455 </span>    8a/byte-&gt; *eax 0/r32/al
+<span id="L456" class="LineNr"> 456 </span>    eb/jump $keyboard-interrupt-handler:select-map-done/disp8
+<span id="L457" class="LineNr"> 457 </span>  }
+<span id="L458" class="LineNr"> 458 </span>  <span class="subxComment"># if (ctrl) al = *(ctrl map + al)</span>
+<span id="L459" class="LineNr"> 459 </span>  {
+<span id="L460" class="LineNr"> 460 </span>    81 7/subop/compare *Keyboard-ctrl-pressed? 0/imm32
+<span id="L461" class="LineNr"> 461 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L462" class="LineNr"> 462 </span>    05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L573'>Keyboard-ctrl-map</a></span>/imm32
+<span id="L463" class="LineNr"> 463 </span>    8a/byte-&gt; *eax 0/r32/al
+<span id="L464" class="LineNr"> 464 </span>    eb/jump $keyboard-interrupt-handler:select-map-done/disp8
+<span id="L465" class="LineNr"> 465 </span>  }
+<span id="L466" class="LineNr"> 466 </span>  <span class="subxComment"># otherwise al = *(normal map + al)</span>
+<span id="L467" class="LineNr"> 467 </span>  05/add-to-eax <span class="SpecialChar"><a href='boot.subx.html#L507'>Keyboard-normal-map</a></span>/imm32
+<span id="L468" class="LineNr"> 468 </span>  8a/byte-&gt; *eax 0/r32/al
+<span id="L469" class="LineNr"> 469 </span><span class="Constant">$keyboard-interrupt-handler:select-map-done</span>:
+<span id="L470" class="LineNr"> 470 </span>  <span class="subxH1Comment"># - if there's no character mapping, return</span>
+<span id="L471" class="LineNr"> 471 </span>  {
+<span id="L472" class="LineNr"> 472 </span>    3c/compare-al-and 0/imm8
+<span id="L473" class="LineNr"> 473 </span>    74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L474" class="LineNr"> 474 </span>    <span class="subxH1Comment"># - store al in keyboard buffer</span>
+<span id="L475" class="LineNr"> 475 </span>    88/&lt;- *ecx 0/r32/al
+<span id="L476" class="LineNr"> 476 </span>    <span class="subxComment"># increment index</span>
+<span id="L477" class="LineNr"> 477 </span>    fe/increment-byte *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a>
+<span id="L478" class="LineNr"> 478 </span>    <span class="subxComment"># clear top nibble of index (keyboard buffer is circular)</span>
+<span id="L479" class="LineNr"> 479 </span>    80 4/subop/and-byte *<span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a> 0x0f/imm8
+<span id="L480" class="LineNr"> 480 </span>  }
+<span id="L481" class="LineNr"> 481 </span><span class="Constant">$keyboard-interrupt-handler:epilogue</span>:
+<span id="L482" class="LineNr"> 482 </span>  <span class="subxComment"># epilogue</span>
+<span id="L483" class="LineNr"> 483 </span>  9d/pop-flags
+<span id="L484" class="LineNr"> 484 </span>  61/pop-all-registers
+<span id="L485" class="LineNr"> 485 </span>  fb/enable-interrupts
+<span id="L486" class="LineNr"> 486 </span>  cf/return-from-interrupt
+<span id="L487" class="LineNr"> 487 </span>
+<span id="L488" class="LineNr"> 488 </span>== data
+<span id="L489" class="LineNr"> 489 </span>Keyboard-shift-pressed?:  <span class="subxComment"># boolean</span>
+<span id="L490" class="LineNr"> 490 </span>  0/imm32
 <span id="L491" class="LineNr"> 491 </span>
-<span id="L492" class="Folded"> 492 </span><span class="Folded">+-- 95 lines: # Keyboard maps for translating keys to ASCII -----------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L587" class="LineNr"> 587 </span>
-<span id="L588" class="LineNr"> 588 </span><span class="SpecialChar">Video-mode-info</span>:
-<span id="L589" class="Folded"> 589 </span><span class="Folded">+-- 53 lines: # video mode info ---------------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L642" class="LineNr"> 642 </span>
-<span id="L643" class="LineNr"> 643 </span><span class="SpecialChar">Font</span>:
-<span id="L644" class="Folded"> 644 </span><span class="Folded">+--236 lines: # Bitmaps for some ASCII characters (soon Unicode) ------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L880" class="LineNr"> 880 </span>
-<span id="L881" class="LineNr"> 881 </span><span class="subxComment">## Controlling IDE (ATA) hard disks</span>
-<span id="L882" class="LineNr"> 882 </span><span class="subxComment"># Uses 28-bit PIO mode.</span>
-<span id="L883" class="LineNr"> 883 </span><span class="subxComment"># Inspired by <a href="https://colorforth.github.io/ide.html">https://colorforth.github.io/ide.html</a></span>
-<span id="L884" class="LineNr"> 884 </span><span class="subxComment">#</span>
-<span id="L885" class="LineNr"> 885 </span><span class="subxComment"># Resources:</span>
-<span id="L886" class="LineNr"> 886 </span><span class="subxComment">#   <a href="https://wiki.osdev.org/ATA_PIO_Mode">https://wiki.osdev.org/ATA_PIO_Mode</a></span>
-<span id="L887" class="LineNr"> 887 </span><span class="subxComment">#   <a href="https://forum.osdev.org/viewtopic.php?f=1&amp;p=167798">https://forum.osdev.org/viewtopic.php?f=1&amp;p=167798</a></span>
-<span id="L888" class="LineNr"> 888 </span><span class="subxComment">#   read-sector, according to <a href="https://www.scs.stanford.edu/11wi-cs140/pintos/specs/ata-3-std.pdf">https://www.scs.stanford.edu/11wi-cs140/pintos/specs/ata-3-std.pdf</a></span>
-<span id="L889" class="LineNr"> 889 </span>
-<span id="L890" class="LineNr"> 890 </span>== data
-<span id="L891" class="LineNr"> 891 </span>
-<span id="L892" class="LineNr"> 892 </span><span class="subxComment"># code disk</span>
-<span id="L893" class="LineNr"> 893 </span><span class="subxComment"># All ports are 8-bit except data-port, which is 16-bit.</span>
-<span id="L894" class="LineNr"> 894 </span><span class="SpecialChar">Primary-bus-primary-drive</span>:
-<span id="L895" class="LineNr"> 895 </span>  <span class="subxComment"># command-port: int (write)</span>
-<span id="L896" class="LineNr"> 896 </span>  0x1f7/imm32
-<span id="L897" class="LineNr"> 897 </span>  <span class="subxComment"># status-port: int (read)</span>
-<span id="L898" class="LineNr"> 898 </span>  0x1f7/imm32
-<span id="L899" class="LineNr"> 899 </span>  <span class="subxComment"># alternative-status-port: int (read)</span>
-<span id="L900" class="LineNr"> 900 </span>  0x3f6/imm32
-<span id="L901" class="LineNr"> 901 </span>  <span class="subxComment"># error-port: int (read)</span>
-<span id="L902" class="LineNr"> 902 </span>  0x1f1/imm32
-<span id="L903" class="LineNr"> 903 </span>  <span class="subxComment"># drive-and-head-port: int</span>
-<span id="L904" class="LineNr"> 904 </span>  0x1f6/imm32
-<span id="L905" class="LineNr"> 905 </span>  <span class="subxComment"># sector-count-port: int</span>
-<span id="L906" class="LineNr"> 906 </span>  0x1f2/imm32
-<span id="L907" class="LineNr"> 907 </span>  <span class="subxComment"># lba-low-port: int</span>
-<span id="L908" class="LineNr"> 908 </span>  0x1f3/imm32
-<span id="L909" class="LineNr"> 909 </span>  <span class="subxComment"># lba-mid-port: int</span>
-<span id="L910" class="LineNr"> 910 </span>  0x1f4/imm32
-<span id="L911" class="LineNr"> 911 </span>  <span class="subxComment"># lba-high-port: int</span>
-<span id="L912" class="LineNr"> 912 </span>  0x1f5/imm32
-<span id="L913" class="LineNr"> 913 </span>  <span class="subxComment"># data-port: int</span>
-<span id="L914" class="LineNr"> 914 </span>  0x1f0/imm32
-<span id="L915" class="LineNr"> 915 </span>  <span class="subxComment"># drive-code: byte                # only drive-specific field</span>
-<span id="L916" class="LineNr"> 916 </span>  0xe0/imm32  <span class="subxComment"># LBA mode also enabled</span>
-<span id="L917" class="LineNr"> 917 </span>
-<span id="L918" class="LineNr"> 918 </span><span class="subxComment"># data disk</span>
-<span id="L919" class="LineNr"> 919 </span><span class="subxComment"># All ports are 8-bit except data-port, which is 16-bit.</span>
-<span id="L920" class="LineNr"> 920 </span><span class="SpecialChar">Primary-bus-secondary-drive</span>:
-<span id="L921" class="LineNr"> 921 </span>  <span class="subxComment"># command-port: int (write)</span>
-<span id="L922" class="LineNr"> 922 </span>  0x1f7/imm32
-<span id="L923" class="LineNr"> 923 </span>  <span class="subxComment"># status-port: int (read)</span>
-<span id="L924" class="LineNr"> 924 </span>  0x1f7/imm32
-<span id="L925" class="LineNr"> 925 </span>  <span class="subxComment"># alternative-status-port: int (read)</span>
-<span id="L926" class="LineNr"> 926 </span>  0x3f6/imm32
-<span id="L927" class="LineNr"> 927 </span>  <span class="subxComment"># error-port: int (read)</span>
-<span id="L928" class="LineNr"> 928 </span>  0x1f1/imm32
-<span id="L929" class="LineNr"> 929 </span>  <span class="subxComment"># drive-and-head-port: int</span>
-<span id="L930" class="LineNr"> 930 </span>  0x1f6/imm32
-<span id="L931" class="LineNr"> 931 </span>  <span class="subxComment"># sector-count-port: int</span>
-<span id="L932" class="LineNr"> 932 </span>  0x1f2/imm32
-<span id="L933" class="LineNr"> 933 </span>  <span class="subxComment"># lba-low-port: int</span>
-<span id="L934" class="LineNr"> 934 </span>  0x1f3/imm32
-<span id="L935" class="LineNr"> 935 </span>  <span class="subxComment"># lba-mid-port: int</span>
-<span id="L936" class="LineNr"> 936 </span>  0x1f4/imm32
-<span id="L937" class="LineNr"> 937 </span>  <span class="subxComment"># lba-high-port: int</span>
-<span id="L938" class="LineNr"> 938 </span>  0x1f5/imm32
-<span id="L939" class="LineNr"> 939 </span>  <span class="subxComment"># data-port: int</span>
-<span id="L940" class="LineNr"> 940 </span>  0x1f0/imm32
-<span id="L941" class="LineNr"> 941 </span>  <span class="subxComment"># drive-code: byte                # only drive-specific field</span>
-<span id="L942" class="LineNr"> 942 </span>  0xf0/imm32  <span class="subxComment"># LBA mode also enabled</span>
-<span id="L943" class="LineNr"> 943 </span>
-<span id="L944" class="LineNr"> 944 </span>== code
-<span id="L945" class="LineNr"> 945 </span>
-<span id="L946" class="LineNr"> 946 </span><span class="subxFunction">load-sectors</span>:  <span class="subxComment"># disk: (addr disk), lba: int, n: int, out: (addr stream byte)</span>
-<span id="L947" class="LineNr"> 947 </span>  <span class="subxS1Comment"># . prologue</span>
-<span id="L948" class="LineNr"> 948 </span>  55/push-ebp
-<span id="L949" class="LineNr"> 949 </span>  89/&lt;- %ebp 4/r32/esp
-<span id="L950" class="LineNr"> 950 </span>  <span class="subxS1Comment"># . save registers</span>
-<span id="L951" class="LineNr"> 951 </span>  50/push-eax
-<span id="L952" class="LineNr"> 952 </span>  51/push-ecx
-<span id="L953" class="LineNr"> 953 </span>  52/push-edx
-<span id="L954" class="LineNr"> 954 </span>  <span class="subxComment"># check for drive</span>
-<span id="L955" class="LineNr"> 955 </span>  (<a href='boot.subx.html#L1118'>drive-exists?</a> *(ebp+8))  <span class="subxComment"># =&gt; eax</span>
-<span id="L956" class="LineNr"> 956 </span>  3d/compare-eax-and 0/imm32/false
-<span id="L957" class="LineNr"> 957 </span>  0f 84/jump-if-= $load-sectors:end/disp32
-<span id="L958" class="LineNr"> 958 </span>  <span class="subxComment"># kick off read</span>
-<span id="L959" class="LineNr"> 959 </span>  (<a href='boot.subx.html#L1182'>ata-drive-select</a> *(ebp+8) *(ebp+0xc))
-<span id="L960" class="LineNr"> 960 </span>  (<a href='boot.subx.html#L1211'>clear-ata-error</a> *(ebp+8))
-<span id="L961" class="LineNr"> 961 </span>  (<a href='boot.subx.html#L1233'>ata-sector-count</a> *(ebp+8) *(ebp+0x10))
-<span id="L962" class="LineNr"> 962 </span>  (<a href='boot.subx.html#L1255'>ata-lba</a> *(ebp+8) *(ebp+0xc))
-<span id="L963" class="LineNr"> 963 </span>  (<a href='boot.subx.html#L1286'>ata-command</a> *(ebp+8) 0x20)  <span class="subxComment"># read sectors with retries</span>
-<span id="L964" class="LineNr"> 964 </span>  <span class="subxComment"># for each sector</span>
-<span id="L965" class="LineNr"> 965 </span>  {
-<span id="L966" class="LineNr"> 966 </span>    <span class="subxComment"># poll for results</span>
-<span id="L967" class="LineNr"> 967 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;waiting for sector..&quot; 7 0)</span>
-<span id="L968" class="LineNr"> 968 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;.&quot; 7 0)</span>
-<span id="L969" class="LineNr"> 969 </span>    (<a href='boot.subx.html#L1308'>while-ata-busy</a> *(ebp+8))
-<span id="L970" class="LineNr"> 970 </span>    (<a href='boot.subx.html#L1327'>until-ata-data-available</a> *(ebp+8))
-<span id="L971" class="LineNr"> 971 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;reading\n&quot; 7 0)</span>
-<span id="L972" class="LineNr"> 972 </span>    <span class="subxComment"># var data-port/edx = disk-&gt;data-port</span>
-<span id="L973" class="LineNr"> 973 </span>    8b/-&gt; *(ebp+8) 0/r32/eax
-<span id="L974" class="LineNr"> 974 </span>    8b/-&gt; *(eax+0x24) 2/r32/edx
-<span id="L975" class="LineNr"> 975 </span>    <span class="subxComment"># emit results</span>
-<span id="L976" class="LineNr"> 976 </span>    31/xor %eax 0/r32/eax
-<span id="L977" class="LineNr"> 977 </span>    b9/copy-to-ecx 0x200/imm32  <span class="subxComment"># 512 bytes per sector</span>
-<span id="L978" class="LineNr"> 978 </span>    {
-<span id="L979" class="LineNr"> 979 </span>      81 7/subop/compare %ecx 0/imm32
-<span id="L980" class="LineNr"> 980 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L981" class="LineNr"> 981 </span>      66 ed/read-port-dx-into-ax
-<span id="L982" class="LineNr"> 982 </span>      <span class="subxComment"># write 2 bytes to stream one at a time</span>
-<span id="L983" class="LineNr"> 983 </span>      (<a href='115write-byte.subx.html#L12'>append-byte</a> *(ebp+0x14) %eax)
-<span id="L984" class="LineNr"> 984 </span>      49/decrement-ecx
-<span id="L985" class="LineNr"> 985 </span>      c1/shift 5/subop/right-padding-zeroes %eax 8/imm8
-<span id="L986" class="LineNr"> 986 </span>      (<a href='115write-byte.subx.html#L12'>append-byte</a> *(ebp+0x14) %eax)
-<span id="L987" class="LineNr"> 987 </span>      49/decrement-ecx
-<span id="L988" class="LineNr"> 988 </span>      eb/jump <span class="Constant">loop</span>/disp8
-<span id="L989" class="LineNr"> 989 </span>    }
-<span id="L990" class="LineNr"> 990 </span>    <span class="subxComment"># next sector</span>
-<span id="L991" class="LineNr"> 991 </span>    ff 1/subop/decrement *(ebp+0x10)
-<span id="L992" class="LineNr"> 992 </span><span class="CommentedCode">#?     (draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0 *(ebp+0x10) 0xc 0)</span>
-<span id="L993" class="LineNr"> 993 </span>    81 7/subop/compare *(ebp+0x10) 0/imm32
-<span id="L994" class="LineNr"> 994 </span>    7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
-<span id="L995" class="LineNr"> 995 </span>    (<a href='boot.subx.html#L1351'>wait-400ns</a> *(ebp+8))
-<span id="L996" class="LineNr"> 996 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;next sector\n&quot; 7 0)</span>
-<span id="L997" class="LineNr"> 997 </span>    e9/jump <span class="Constant">loop</span>/disp32
-<span id="L998" class="LineNr"> 998 </span>  }
-<span id="L999" class="LineNr"> 999 </span><span class="Constant">$load-sectors:end</span>:
-<span id="L1000" class="LineNr">1000 </span>  <span class="subxS1Comment"># . restore registers</span>
-<span id="L1001" class="LineNr">1001 </span>  5a/pop-to-edx
-<span id="L1002" class="LineNr">1002 </span>  59/pop-to-ecx
-<span id="L1003" class="LineNr">1003 </span>  58/pop-to-eax
-<span id="L1004" class="LineNr">1004 </span>  <span class="subxS1Comment"># . epilogue</span>
-<span id="L1005" class="LineNr">1005 </span>  89/&lt;- %esp 5/r32/ebp
-<span id="L1006" class="LineNr">1006 </span>  5d/pop-to-ebp
-<span id="L1007" class="LineNr">1007 </span>  c3/return
-<span id="L1008" class="LineNr">1008 </span>
-<span id="L1009" class="LineNr">1009 </span><span class="subxFunction">store-sectors</span>:  <span class="subxComment"># disk: (addr disk), lba: int, n: int, in: (addr stream byte)</span>
-<span id="L1010" class="LineNr">1010 </span>  <span class="subxS1Comment"># . prologue</span>
-<span id="L1011" class="LineNr">1011 </span>  55/push-ebp
-<span id="L1012" class="LineNr">1012 </span>  89/&lt;- %ebp 4/r32/esp
-<span id="L1013" class="LineNr">1013 </span>  <span class="subxS1Comment"># . save registers</span>
-<span id="L1014" class="LineNr">1014 </span>  50/push-eax
-<span id="L1015" class="LineNr">1015 </span>  51/push-ecx
-<span id="L1016" class="LineNr">1016 </span>  52/push-edx
-<span id="L1017" class="LineNr">1017 </span>  53/push-ebx
-<span id="L1018" class="LineNr">1018 </span>  <span class="subxComment"># check for drive</span>
-<span id="L1019" class="LineNr">1019 </span>  (<a href='boot.subx.html#L1118'>drive-exists?</a> *(ebp+8))  <span class="subxComment"># =&gt; eax</span>
-<span id="L1020" class="LineNr">1020 </span>  3d/compare-eax-and 0/imm32/false
-<span id="L1021" class="LineNr">1021 </span>  0f 84/jump-if-= $store-sectors:end/disp32
-<span id="L1022" class="LineNr">1022 </span>  <span class="subxComment"># kick off write</span>
-<span id="L1023" class="LineNr">1023 </span>  (<a href='boot.subx.html#L1182'>ata-drive-select</a> *(ebp+8) *(ebp+0xc))
-<span id="L1024" class="LineNr">1024 </span>  (<a href='boot.subx.html#L1211'>clear-ata-error</a> *(ebp+8))
-<span id="L1025" class="LineNr">1025 </span>  (<a href='boot.subx.html#L1233'>ata-sector-count</a> *(ebp+8) *(ebp+0x10))
-<span id="L1026" class="LineNr">1026 </span>  (<a href='boot.subx.html#L1255'>ata-lba</a> *(ebp+8) *(ebp+0xc))
-<span id="L1027" class="LineNr">1027 </span>  (<a href='boot.subx.html#L1286'>ata-command</a> *(ebp+8) 0x30)  <span class="subxComment"># write sectors with retries</span>
-<span id="L1028" class="LineNr">1028 </span>  <span class="subxComment"># for each sector</span>
-<span id="L1029" class="LineNr">1029 </span><span class="CommentedCode">#?   (set-cursor-position 0 0 0)</span>
-<span id="L1030" class="LineNr">1030 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;0&quot; 7 0)</span>
-<span id="L1031" class="LineNr">1031 </span>  {
-<span id="L1032" class="LineNr">1032 </span>    <span class="subxComment"># wait</span>
-<span id="L1033" class="LineNr">1033 </span>    (<a href='boot.subx.html#L1308'>while-ata-busy</a> *(ebp+8))
-<span id="L1034" class="LineNr">1034 </span>    (<a href='boot.subx.html#L1346'>until-ata-ready-for-data</a> *(ebp+8))
-<span id="L1035" class="LineNr">1035 </span>    <span class="subxComment"># var data-port/edx = disk-&gt;data-port</span>
-<span id="L1036" class="LineNr">1036 </span>    8b/-&gt; *(ebp+8) 0/r32/eax
-<span id="L1037" class="LineNr">1037 </span>    8b/-&gt; *(eax+0x24) 2/r32/edx
-<span id="L1038" class="LineNr">1038 </span>    <span class="subxComment"># send data</span>
-<span id="L1039" class="LineNr">1039 </span>    b9/copy-to-ecx 0x200/imm32  <span class="subxComment"># 512 bytes per sector</span>
-<span id="L1040" class="LineNr">1040 </span>    <span class="subxS1Comment"># . var first-byte/ebx: byte</span>
-<span id="L1041" class="LineNr">1041 </span>    <span class="subxS1Comment"># . when it's more than 0xff, we're at an even-numbered byte</span>
-<span id="L1042" class="LineNr">1042 </span>    bb/copy-to-ebx 0xffff/imm32
-<span id="L1043" class="LineNr">1043 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;D&quot; 7 0)</span>
-<span id="L1044" class="LineNr">1044 </span><span class="Constant">$store-sectors:store-sector</span>:
-<span id="L1045" class="LineNr">1045 </span>    {
-<span id="L1046" class="LineNr">1046 </span>      81 7/subop/compare %ecx 0/imm32
-<span id="L1047" class="LineNr">1047 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L1048" class="LineNr">1048 </span>      <span class="subxComment"># this loop is slow, but the ATA spec also requires a small delay</span>
-<span id="L1049" class="LineNr">1049 </span>      (<a href='309stream.subx.html#L6'>stream-empty?</a> *(ebp+0x14))  <span class="subxComment"># =&gt; eax</span>
-<span id="L1050" class="LineNr">1050 </span>      3d/compare-eax-and 0/imm32/false
-<span id="L1051" class="LineNr">1051 </span>      75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L1052" class="LineNr">1052 </span>      <span class="subxComment"># read byte from stream</span>
-<span id="L1053" class="LineNr">1053 </span>      (<a href='112read-byte.subx.html#L13'>read-byte</a> *(ebp+0x14))  <span class="subxComment"># =&gt; eax</span>
-<span id="L1054" class="LineNr">1054 </span>      <span class="subxComment"># if we're at an odd-numbered byte, save it to first-byte</span>
-<span id="L1055" class="LineNr">1055 </span>      81 7/subop/compare %ebx 0xff/imm32
-<span id="L1056" class="LineNr">1056 </span>      {
-<span id="L1057" class="LineNr">1057 </span>        7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
-<span id="L1058" class="LineNr">1058 </span>        89/&lt;- %ebx 0/r32/eax
-<span id="L1059" class="LineNr">1059 </span>        eb/jump $store-sectors:store-sector/disp8
-<span id="L1060" class="LineNr">1060 </span>      }
-<span id="L1061" class="LineNr">1061 </span>      <span class="subxComment"># otherwise OR it with first-byte and write it out</span>
-<span id="L1062" class="LineNr">1062 </span>      c1/shift 4/subop/left %eax 8/imm8
-<span id="L1063" class="LineNr">1063 </span>      09/or %eax 3/r32/ebx
-<span id="L1064" class="LineNr">1064 </span>      66 ef/write-ax-into-port-dx
-<span id="L1065" class="LineNr">1065 </span>      49/decrement-ecx
-<span id="L1066" class="LineNr">1066 </span>      49/decrement-ecx
-<span id="L1067" class="LineNr">1067 </span>      <span class="subxComment"># reset first-byte</span>
-<span id="L1068" class="LineNr">1068 </span>      bb/copy-to-ebx 0xffff/imm32
-<span id="L1069" class="LineNr">1069 </span>      eb/jump <span class="Constant">loop</span>/disp8
-<span id="L1070" class="LineNr">1070 </span>    }
-<span id="L1071" class="LineNr">1071 </span>    <span class="subxComment"># write out final first-byte if necessary</span>
-<span id="L1072" class="LineNr">1072 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;I&quot; 7 0)</span>
-<span id="L1073" class="LineNr">1073 </span>    81 7/subop/compare %ebx 0xff/imm32
-<span id="L1074" class="LineNr">1074 </span>    {
-<span id="L1075" class="LineNr">1075 </span>      7f/jump-if-&gt; <span class="Constant">break</span>/disp8
-<span id="L1076" class="LineNr">1076 </span>      89/&lt;- %eax 3/r32/ebx
-<span id="L1077" class="LineNr">1077 </span>      66 ef/write-ax-into-port-dx
-<span id="L1078" class="LineNr">1078 </span>      49/decrement-ecx
+<span id="L492" class="LineNr"> 492 </span>Keyboard-ctrl-pressed?:  <span class="subxComment"># boolean</span>
+<span id="L493" class="LineNr"> 493 </span>  0/imm32
+<span id="L494" class="LineNr"> 494 </span>
+<span id="L495" class="LineNr"> 495 </span><span class="subxComment"># var keyboard circular buffer</span>
+<span id="L496" class="LineNr"> 496 </span><span class="SpecialChar">Keyboard-buffer</span>:<a href='108write.subx.html#L11'>write</a>:  <span class="subxComment"># nibble</span>
+<span id="L497" class="LineNr"> 497 </span>  0/imm32
+<span id="L498" class="LineNr"> 498 </span><span class="SpecialChar">Keyboard-buffer</span>:read:  <span class="subxComment"># nibble</span>
+<span id="L499" class="LineNr"> 499 </span>  0/imm32
+<span id="L500" class="LineNr"> 500 </span><span class="SpecialChar">Keyboard-buffer</span>:data:  <span class="subxComment"># byte[16]</span>
+<span id="L501" class="LineNr"> 501 </span>  00 00 00 00
+<span id="L502" class="LineNr"> 502 </span>  00 00 00 00
+<span id="L503" class="LineNr"> 503 </span>  00 00 00 00
+<span id="L504" class="LineNr"> 504 </span>  00 00 00 00
+<span id="L505" class="LineNr"> 505 </span>
+<span id="L506" class="Folded"> 506 </span><span class="Folded">+-- 95 lines: # Keyboard maps for translating keys to ASCII -----------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L601" class="LineNr"> 601 </span>
+<span id="L602" class="LineNr"> 602 </span><span class="SpecialChar">Video-mode-info</span>:
+<span id="L603" class="Folded"> 603 </span><span class="Folded">+-- 53 lines: # video mode info ---------------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L656" class="LineNr"> 656 </span>
+<span id="L657" class="LineNr"> 657 </span><span class="SpecialChar">Font</span>:
+<span id="L658" class="Folded"> 658 </span><span class="Folded">+--236 lines: # Bitmaps for some ASCII characters (soon Unicode) ------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L894" class="LineNr"> 894 </span>
+<span id="L895" class="LineNr"> 895 </span><span class="subxComment">## Controlling IDE (ATA) hard disks</span>
+<span id="L896" class="LineNr"> 896 </span><span class="subxComment"># Uses 28-bit PIO mode.</span>
+<span id="L897" class="LineNr"> 897 </span><span class="subxComment"># Inspired by <a href="https://colorforth.github.io/ide.html">https://colorforth.github.io/ide.html</a></span>
+<span id="L898" class="LineNr"> 898 </span><span class="subxComment">#</span>
+<span id="L899" class="LineNr"> 899 </span><span class="subxComment"># Resources:</span>
+<span id="L900" class="LineNr"> 900 </span><span class="subxComment">#   <a href="https://wiki.osdev.org/ATA_PIO_Mode">https://wiki.osdev.org/ATA_PIO_Mode</a></span>
+<span id="L901" class="LineNr"> 901 </span><span class="subxComment">#   <a href="https://forum.osdev.org/viewtopic.php?f=1&amp;p=167798">https://forum.osdev.org/viewtopic.php?f=1&amp;p=167798</a></span>
+<span id="L902" class="LineNr"> 902 </span><span class="subxComment">#   read-sector, according to <a href="https://www.scs.stanford.edu/11wi-cs140/pintos/specs/ata-3-std.pdf">https://www.scs.stanford.edu/11wi-cs140/pintos/specs/ata-3-std.pdf</a></span>
+<span id="L903" class="LineNr"> 903 </span>
+<span id="L904" class="LineNr"> 904 </span>== data
+<span id="L905" class="LineNr"> 905 </span>
+<span id="L906" class="LineNr"> 906 </span><span class="subxComment"># code disk</span>
+<span id="L907" class="LineNr"> 907 </span><span class="subxComment"># All ports are 8-bit except data-port, which is 16-bit.</span>
+<span id="L908" class="LineNr"> 908 </span><span class="SpecialChar">Primary-bus-primary-drive</span>:
+<span id="L909" class="LineNr"> 909 </span>  <span class="subxComment"># command-port: int (write)</span>
+<span id="L910" class="LineNr"> 910 </span>  0x1f7/imm32
+<span id="L911" class="LineNr"> 911 </span>  <span class="subxComment"># status-port: int (read)</span>
+<span id="L912" class="LineNr"> 912 </span>  0x1f7/imm32
+<span id="L913" class="LineNr"> 913 </span>  <span class="subxComment"># alternative-status-port: int (read)</span>
+<span id="L914" class="LineNr"> 914 </span>  0x3f6/imm32
+<span id="L915" class="LineNr"> 915 </span>  <span class="subxComment"># error-port: int (read)</span>
+<span id="L916" class="LineNr"> 916 </span>  0x1f1/imm32
+<span id="L917" class="LineNr"> 917 </span>  <span class="subxComment"># drive-and-head-port: int</span>
+<span id="L918" class="LineNr"> 918 </span>  0x1f6/imm32
+<span id="L919" class="LineNr"> 919 </span>  <span class="subxComment"># sector-count-port: int</span>
+<span id="L920" class="LineNr"> 920 </span>  0x1f2/imm32
+<span id="L921" class="LineNr"> 921 </span>  <span class="subxComment"># lba-low-port: int</span>
+<span id="L922" class="LineNr"> 922 </span>  0x1f3/imm32
+<span id="L923" class="LineNr"> 923 </span>  <span class="subxComment"># lba-mid-port: int</span>
+<span id="L924" class="LineNr"> 924 </span>  0x1f4/imm32
+<span id="L925" class="LineNr"> 925 </span>  <span class="subxComment"># lba-high-port: int</span>
+<span id="L926" class="LineNr"> 926 </span>  0x1f5/imm32
+<span id="L927" class="LineNr"> 927 </span>  <span class="subxComment"># data-port: int</span>
+<span id="L928" class="LineNr"> 928 </span>  0x1f0/imm32
+<span id="L929" class="LineNr"> 929 </span>  <span class="subxComment"># drive-code: byte                # only drive-specific field</span>
+<span id="L930" class="LineNr"> 930 </span>  0xe0/imm32  <span class="subxComment"># LBA mode also enabled</span>
+<span id="L931" class="LineNr"> 931 </span>
+<span id="L932" class="LineNr"> 932 </span><span class="subxComment"># data disk</span>
+<span id="L933" class="LineNr"> 933 </span><span class="subxComment"># All ports are 8-bit except data-port, which is 16-bit.</span>
+<span id="L934" class="LineNr"> 934 </span><span class="SpecialChar">Primary-bus-secondary-drive</span>:
+<span id="L935" class="LineNr"> 935 </span>  <span class="subxComment"># command-port: int (write)</span>
+<span id="L936" class="LineNr"> 936 </span>  0x1f7/imm32
+<span id="L937" class="LineNr"> 937 </span>  <span class="subxComment"># status-port: int (read)</span>
+<span id="L938" class="LineNr"> 938 </span>  0x1f7/imm32
+<span id="L939" class="LineNr"> 939 </span>  <span class="subxComment"># alternative-status-port: int (read)</span>
+<span id="L940" class="LineNr"> 940 </span>  0x3f6/imm32
+<span id="L941" class="LineNr"> 941 </span>  <span class="subxComment"># error-port: int (read)</span>
+<span id="L942" class="LineNr"> 942 </span>  0x1f1/imm32
+<span id="L943" class="LineNr"> 943 </span>  <span class="subxComment"># drive-and-head-port: int</span>
+<span id="L944" class="LineNr"> 944 </span>  0x1f6/imm32
+<span id="L945" class="LineNr"> 945 </span>  <span class="subxComment"># sector-count-port: int</span>
+<span id="L946" class="LineNr"> 946 </span>  0x1f2/imm32
+<span id="L947" class="LineNr"> 947 </span>  <span class="subxComment"># lba-low-port: int</span>
+<span id="L948" class="LineNr"> 948 </span>  0x1f3/imm32
+<span id="L949" class="LineNr"> 949 </span>  <span class="subxComment"># lba-mid-port: int</span>
+<span id="L950" class="LineNr"> 950 </span>  0x1f4/imm32
+<span id="L951" class="LineNr"> 951 </span>  <span class="subxComment"># lba-high-port: int</span>
+<span id="L952" class="LineNr"> 952 </span>  0x1f5/imm32
+<span id="L953" class="LineNr"> 953 </span>  <span class="subxComment"># data-port: int</span>
+<span id="L954" class="LineNr"> 954 </span>  0x1f0/imm32
+<span id="L955" class="LineNr"> 955 </span>  <span class="subxComment"># drive-code: byte                # only drive-specific field</span>
+<span id="L956" class="LineNr"> 956 </span>  0xf0/imm32  <span class="subxComment"># LBA mode also enabled</span>
+<span id="L957" class="LineNr"> 957 </span>
+<span id="L958" class="LineNr"> 958 </span>== code
+<span id="L959" class="LineNr"> 959 </span>
+<span id="L960" class="LineNr"> 960 </span><span class="subxFunction">load-sectors</span>:  <span class="subxComment"># disk: (addr disk), lba: int, n: int, out: (addr stream byte)</span>
+<span id="L961" class="LineNr"> 961 </span>  <span class="subxS1Comment"># . prologue</span>
+<span id="L962" class="LineNr"> 962 </span>  55/push-ebp
+<span id="L963" class="LineNr"> 963 </span>  89/&lt;- %ebp 4/r32/esp
+<span id="L964" class="LineNr"> 964 </span>  <span class="subxS1Comment"># . save registers</span>
+<span id="L965" class="LineNr"> 965 </span>  50/push-eax
+<span id="L966" class="LineNr"> 966 </span>  51/push-ecx
+<span id="L967" class="LineNr"> 967 </span>  52/push-edx
+<span id="L968" class="LineNr"> 968 </span>  <span class="subxComment"># check for drive</span>
+<span id="L969" class="LineNr"> 969 </span>  (<a href='boot.subx.html#L1132'>drive-exists?</a> *(ebp+8))  <span class="subxComment"># =&gt; eax</span>
+<span id="L970" class="LineNr"> 970 </span>  3d/compare-eax-and 0/imm32/false
+<span id="L971" class="LineNr"> 971 </span>  0f 84/jump-if-= $load-sectors:end/disp32
+<span id="L972" class="LineNr"> 972 </span>  <span class="subxComment"># kick off read</span>
+<span id="L973" class="LineNr"> 973 </span>  (<a href='boot.subx.html#L1196'>ata-drive-select</a> *(ebp+8) *(ebp+0xc))
+<span id="L974" class="LineNr"> 974 </span>  (<a href='boot.subx.html#L1225'>clear-ata-error</a> *(ebp+8))
+<span id="L975" class="LineNr"> 975 </span>  (<a href='boot.subx.html#L1247'>ata-sector-count</a> *(ebp+8) *(ebp+0x10))
+<span id="L976" class="LineNr"> 976 </span>  (<a href='boot.subx.html#L1269'>ata-lba</a> *(ebp+8) *(ebp+0xc))
+<span id="L977" class="LineNr"> 977 </span>  (<a href='boot.subx.html#L1300'>ata-command</a> *(ebp+8) 0x20)  <span class="subxComment"># read sectors with retries</span>
+<span id="L978" class="LineNr"> 978 </span>  <span class="subxComment"># for each sector</span>
+<span id="L979" class="LineNr"> 979 </span>  {
+<span id="L980" class="LineNr"> 980 </span>    <span class="subxComment"># poll for results</span>
+<span id="L981" class="LineNr"> 981 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;waiting for sector..&quot; 7 0)</span>
+<span id="L982" class="LineNr"> 982 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;.&quot; 7 0)</span>
+<span id="L983" class="LineNr"> 983 </span>    (<a href='boot.subx.html#L1322'>while-ata-busy</a> *(ebp+8))
+<span id="L984" class="LineNr"> 984 </span>    (<a href='boot.subx.html#L1341'>until-ata-data-available</a> *(ebp+8))
+<span id="L985" class="LineNr"> 985 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;reading\n&quot; 7 0)</span>
+<span id="L986" class="LineNr"> 986 </span>    <span class="subxComment"># var data-port/edx = disk-&gt;data-port</span>
+<span id="L987" class="LineNr"> 987 </span>    8b/-&gt; *(ebp+8) 0/r32/eax
+<span id="L988" class="LineNr"> 988 </span>    8b/-&gt; *(eax+0x24) 2/r32/edx
+<span id="L989" class="LineNr"> 989 </span>    <span class="subxComment"># emit results</span>
+<span id="L990" class="LineNr"> 990 </span>    31/xor %eax 0/r32/eax
+<span id="L991" class="LineNr"> 991 </span>    b9/copy-to-ecx 0x200/imm32  <span class="subxComment"># 512 bytes per sector</span>
+<span id="L992" class="LineNr"> 992 </span>    {
+<span id="L993" class="LineNr"> 993 </span>      81 7/subop/compare %ecx 0/imm32
+<span id="L994" class="LineNr"> 994 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L995" class="LineNr"> 995 </span>      66 ed/read-port-dx-into-ax
+<span id="L996" class="LineNr"> 996 </span>      <span class="subxComment"># write 2 bytes to stream one at a time</span>
+<span id="L997" class="LineNr"> 997 </span>      (<a href='115write-byte.subx.html#L12'>append-byte</a> *(ebp+0x14) %eax)
+<span id="L998" class="LineNr"> 998 </span>      49/decrement-ecx
+<span id="L999" class="LineNr"> 999 </span>      c1/shift 5/subop/right-padding-zeroes %eax 8/imm8
+<span id="L1000" class="LineNr">1000 </span>      (<a href='115write-byte.subx.html#L12'>append-byte</a> *(ebp+0x14) %eax)
+<span id="L1001" class="LineNr">1001 </span>      49/decrement-ecx
+<span id="L1002" class="LineNr">1002 </span>      eb/jump <span class="Constant">loop</span>/disp8
+<span id="L1003" class="LineNr">1003 </span>    }
+<span id="L1004" class="LineNr">1004 </span>    <span class="subxComment"># next sector</span>
+<span id="L1005" class="LineNr">1005 </span>    ff 1/subop/decrement *(ebp+0x10)
+<span id="L1006" class="LineNr">1006 </span><span class="CommentedCode">#?     (draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0 *(ebp+0x10) 0xc 0)</span>
+<span id="L1007" class="LineNr">1007 </span>    81 7/subop/compare *(ebp+0x10) 0/imm32
+<span id="L1008" class="LineNr">1008 </span>    7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
+<span id="L1009" class="LineNr">1009 </span>    (<a href='boot.subx.html#L1365'>wait-400ns</a> *(ebp+8))
+<span id="L1010" class="LineNr">1010 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;next sector\n&quot; 7 0)</span>
+<span id="L1011" class="LineNr">1011 </span>    e9/jump <span class="Constant">loop</span>/disp32
+<span id="L1012" class="LineNr">1012 </span>  }
+<span id="L1013" class="LineNr">1013 </span><span class="Constant">$load-sectors:end</span>:
+<span id="L1014" class="LineNr">1014 </span>  <span class="subxS1Comment"># . restore registers</span>
+<span id="L1015" class="LineNr">1015 </span>  5a/pop-to-edx
+<span id="L1016" class="LineNr">1016 </span>  59/pop-to-ecx
+<span id="L1017" class="LineNr">1017 </span>  58/pop-to-eax
+<span id="L1018" class="LineNr">1018 </span>  <span class="subxS1Comment"># . epilogue</span>
+<span id="L1019" class="LineNr">1019 </span>  89/&lt;- %esp 5/r32/ebp
+<span id="L1020" class="LineNr">1020 </span>  5d/pop-to-ebp
+<span id="L1021" class="LineNr">1021 </span>  c3/return
+<span id="L1022" class="LineNr">1022 </span>
+<span id="L1023" class="LineNr">1023 </span><span class="subxFunction">store-sectors</span>:  <span class="subxComment"># disk: (addr disk), lba: int, n: int, in: (addr stream byte)</span>
+<span id="L1024" class="LineNr">1024 </span>  <span class="subxS1Comment"># . prologue</span>
+<span id="L1025" class="LineNr">1025 </span>  55/push-ebp
+<span id="L1026" class="LineNr">1026 </span>  89/&lt;- %ebp 4/r32/esp
+<span id="L1027" class="LineNr">1027 </span>  <span class="subxS1Comment"># . save registers</span>
+<span id="L1028" class="LineNr">1028 </span>  50/push-eax
+<span id="L1029" class="LineNr">1029 </span>  51/push-ecx
+<span id="L1030" class="LineNr">1030 </span>  52/push-edx
+<span id="L1031" class="LineNr">1031 </span>  53/push-ebx
+<span id="L1032" class="LineNr">1032 </span>  <span class="subxComment"># check for drive</span>
+<span id="L1033" class="LineNr">1033 </span>  (<a href='boot.subx.html#L1132'>drive-exists?</a> *(ebp+8))  <span class="subxComment"># =&gt; eax</span>
+<span id="L1034" class="LineNr">1034 </span>  3d/compare-eax-and 0/imm32/false
+<span id="L1035" class="LineNr">1035 </span>  0f 84/jump-if-= $store-sectors:end/disp32
+<span id="L1036" class="LineNr">1036 </span>  <span class="subxComment"># kick off write</span>
+<span id="L1037" class="LineNr">1037 </span>  (<a href='boot.subx.html#L1196'>ata-drive-select</a> *(ebp+8) *(ebp+0xc))
+<span id="L1038" class="LineNr">1038 </span>  (<a href='boot.subx.html#L1225'>clear-ata-error</a> *(ebp+8))
+<span id="L1039" class="LineNr">1039 </span>  (<a href='boot.subx.html#L1247'>ata-sector-count</a> *(ebp+8) *(ebp+0x10))
+<span id="L1040" class="LineNr">1040 </span>  (<a href='boot.subx.html#L1269'>ata-lba</a> *(ebp+8) *(ebp+0xc))
+<span id="L1041" class="LineNr">1041 </span>  (<a href='boot.subx.html#L1300'>ata-command</a> *(ebp+8) 0x30)  <span class="subxComment"># write sectors with retries</span>
+<span id="L1042" class="LineNr">1042 </span>  <span class="subxComment"># for each sector</span>
+<span id="L1043" class="LineNr">1043 </span><span class="CommentedCode">#?   (set-cursor-position 0 0 0)</span>
+<span id="L1044" class="LineNr">1044 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;0&quot; 7 0)</span>
+<span id="L1045" class="LineNr">1045 </span>  {
+<span id="L1046" class="LineNr">1046 </span>    <span class="subxComment"># wait</span>
+<span id="L1047" class="LineNr">1047 </span>    (<a href='boot.subx.html#L1322'>while-ata-busy</a> *(ebp+8))
+<span id="L1048" class="LineNr">1048 </span>    (<a href='boot.subx.html#L1360'>until-ata-ready-for-data</a> *(ebp+8))
+<span id="L1049" class="LineNr">1049 </span>    <span class="subxComment"># var data-port/edx = disk-&gt;data-port</span>
+<span id="L1050" class="LineNr">1050 </span>    8b/-&gt; *(ebp+8) 0/r32/eax
+<span id="L1051" class="LineNr">1051 </span>    8b/-&gt; *(eax+0x24) 2/r32/edx
+<span id="L1052" class="LineNr">1052 </span>    <span class="subxComment"># send data</span>
+<span id="L1053" class="LineNr">1053 </span>    b9/copy-to-ecx 0x200/imm32  <span class="subxComment"># 512 bytes per sector</span>
+<span id="L1054" class="LineNr">1054 </span>    <span class="subxS1Comment"># . var first-byte/ebx: byte</span>
+<span id="L1055" class="LineNr">1055 </span>    <span class="subxS1Comment"># . when it's more than 0xff, we're at an even-numbered byte</span>
+<span id="L1056" class="LineNr">1056 </span>    bb/copy-to-ebx 0xffff/imm32
+<span id="L1057" class="LineNr">1057 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;D&quot; 7 0)</span>
+<span id="L1058" class="LineNr">1058 </span><span class="Constant">$store-sectors:store-sector</span>:
+<span id="L1059" class="LineNr">1059 </span>    {
+<span id="L1060" class="LineNr">1060 </span>      81 7/subop/compare %ecx 0/imm32
+<span id="L1061" class="LineNr">1061 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L1062" class="LineNr">1062 </span>      <span class="subxComment"># this loop is slow, but the ATA spec also requires a small delay</span>
+<span id="L1063" class="LineNr">1063 </span>      (<a href='309stream.subx.html#L6'>stream-empty?</a> *(ebp+0x14))  <span class="subxComment"># =&gt; eax</span>
+<span id="L1064" class="LineNr">1064 </span>      3d/compare-eax-and 0/imm32/false
+<span id="L1065" class="LineNr">1065 </span>      75/jump-if-!= <span class="Constant">break</span>/disp8
+<span id="L1066" class="LineNr">1066 </span>      <span class="subxComment"># read byte from stream</span>
+<span id="L1067" class="LineNr">1067 </span>      (<a href='112read-byte.subx.html#L13'>read-byte</a> *(ebp+0x14))  <span class="subxComment"># =&gt; eax</span>
+<span id="L1068" class="LineNr">1068 </span>      <span class="subxComment"># if we're at an odd-numbered byte, save it to first-byte</span>
+<span id="L1069" class="LineNr">1069 </span>      81 7/subop/compare %ebx 0xff/imm32
+<span id="L1070" class="LineNr">1070 </span>      {
+<span id="L1071" class="LineNr">1071 </span>        7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
+<span id="L1072" class="LineNr">1072 </span>        89/&lt;- %ebx 0/r32/eax
+<span id="L1073" class="LineNr">1073 </span>        eb/jump $store-sectors:store-sector/disp8
+<span id="L1074" class="LineNr">1074 </span>      }
+<span id="L1075" class="LineNr">1075 </span>      <span class="subxComment"># otherwise OR it with first-byte and write it out</span>
+<span id="L1076" class="LineNr">1076 </span>      c1/shift 4/subop/left %eax 8/imm8
+<span id="L1077" class="LineNr">1077 </span>      09/or %eax 3/r32/ebx
+<span id="L1078" class="LineNr">1078 </span>      66 ef/write-ax-into-port-dx
 <span id="L1079" class="LineNr">1079 </span>      49/decrement-ecx
-<span id="L1080" class="LineNr">1080 </span>    }
-<span id="L1081" class="LineNr">1081 </span>    <span class="subxComment"># pad zeroes</span>
-<span id="L1082" class="LineNr">1082 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;P&quot; 7 0)</span>
-<span id="L1083" class="LineNr">1083 </span>    31/xor %eax 0/r32/eax
-<span id="L1084" class="LineNr">1084 </span>    {
-<span id="L1085" class="LineNr">1085 </span>      81 7/subop/compare %ecx 0/imm32
-<span id="L1086" class="LineNr">1086 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
-<span id="L1087" class="LineNr">1087 </span>      66 ef/write-ax-into-port-dx
-<span id="L1088" class="LineNr">1088 </span>      49/decrement-ecx
-<span id="L1089" class="LineNr">1089 </span>      49/decrement-ecx
-<span id="L1090" class="LineNr">1090 </span>      eb/jump <span class="Constant">loop</span>/disp8
-<span id="L1091" class="LineNr">1091 </span>    }
-<span id="L1092" class="LineNr">1092 </span>    <span class="subxComment"># next sector</span>
-<span id="L1093" class="LineNr">1093 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;N&quot; 7 0)</span>
-<span id="L1094" class="LineNr">1094 </span>    ff 1/subop/decrement *(ebp+0x10)
-<span id="L1095" class="LineNr">1095 </span>    81 7/subop/compare *(ebp+0x10) 0/imm32
-<span id="L1096" class="LineNr">1096 </span>    7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
-<span id="L1097" class="LineNr">1097 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;W&quot; 7 0)</span>
-<span id="L1098" class="LineNr">1098 </span>    (<a href='boot.subx.html#L1351'>wait-400ns</a> *(ebp+8))
-<span id="L1099" class="LineNr">1099 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;L&quot; 7 0)</span>
-<span id="L1100" class="LineNr">1100 </span>    e9/jump <span class="Constant">loop</span>/disp32
-<span id="L1101" class="LineNr">1101 </span>  }
-<span id="L1102" class="LineNr">1102 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;F&quot; 7 0)</span>
-<span id="L1103" class="LineNr">1103 </span>  (<a href='boot.subx.html#L1385'>flush-ata-cache</a> *(ebp+8))
-<span id="L1104" class="LineNr">1104 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;Y&quot; 7 0)</span>
-<span id="L1105" class="LineNr">1105 </span><span class="Constant">$store-sectors:end</span>:
-<span id="L1106" class="LineNr">1106 </span>  <span class="subxS1Comment"># . restore registers</span>
-<span id="L1107" class="LineNr">1107 </span>  5b/pop-to-ebx
-<span id="L1108" class="LineNr">1108 </span>  5a/pop-to-edx
-<span id="L1109" class="LineNr">1109 </span>  59/pop-to-ecx
-<span id="L1110" class="LineNr">1110 </span>  58/pop-to-eax
-<span id="L1111" class="LineNr">1111 </span>  <span class="subxS1Comment"># . epilogue</span>
-<span id="L1112" class="LineNr">1112 </span>  89/&lt;- %esp 5/r32/ebp
-<span id="L1113" class="LineNr">1113 </span>  5d/pop-to-ebp
-<span id="L1114" class="LineNr">1114 </span>  c3/return
-<span id="L1115" class="LineNr">1115 </span>
-<span id="L1116" class="Folded">1116 </span><span class="Folded">+--289 lines: # disk helpers ------------------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L1405" class="LineNr">1405 </span>
-<span id="L1406" class="LineNr">1406 </span><span class="subxComment">## Controlling a PS/2 mouse</span>
-<span id="L1407" class="LineNr">1407 </span><span class="subxComment"># Uses no IRQs, just polling.</span>
-<span id="L1408" class="LineNr">1408 </span><span class="subxComment"># Thanks Dave Long: <a href="https://github.com/jtauber/cleese/blob/master/necco/kernel/bochs/py8042.py">https://github.com/jtauber/cleese/blob/master/necco/kernel/bochs/py8042.py</a></span>
-<span id="L1409" class="LineNr">1409 </span><span class="subxComment">#</span>
-<span id="L1410" class="LineNr">1410 </span><span class="subxComment"># Resources:</span>
-<span id="L1411" class="LineNr">1411 </span><span class="subxComment">#   <a href="https://wiki.osdev.org/Mouse_Input">https://wiki.osdev.org/Mouse_Input</a></span>
-<span id="L1412" class="LineNr">1412 </span>
-<span id="L1413" class="LineNr">1413 </span><span class="subxComment"># results x/eax, y/ecx range from -256 to +255</span>
-<span id="L1414" class="LineNr">1414 </span><span class="subxComment"># See <a href="https://wiki.osdev.org/index.php?title=Mouse_Input&amp;oldid=25663#Format_of_First_3_Packet_Bytes">https://wiki.osdev.org/index.php?title=Mouse_Input&amp;oldid=25663#Format_of_First_3_Packet_Bytes</a></span>
-<span id="L1415" class="LineNr">1415 </span><span class="subxFunction">read-mouse-event</span>:  <span class="subxComment"># -&gt; _/eax: int, _/ecx: int</span>
-<span id="L1416" class="LineNr">1416 </span>  <span class="subxS1Comment"># . prologue</span>
-<span id="L1417" class="LineNr">1417 </span>  55/push-ebp
-<span id="L1418" class="LineNr">1418 </span>  89/&lt;- %ebp 4/r32/esp
-<span id="L1419" class="LineNr">1419 </span>  <span class="subxS1Comment"># . save registers</span>
-<span id="L1420" class="LineNr">1420 </span>  52/push-edx
-<span id="L1421" class="LineNr">1421 </span>  53/push-ebx
-<span id="L1422" class="LineNr">1422 </span>  <span class="subxComment"># if no event, return 0, 0</span>
-<span id="L1423" class="LineNr">1423 </span>  b8/copy-to-eax 0/imm32
-<span id="L1424" class="LineNr">1424 </span>  b9/copy-to-ecx 0/imm32
-<span id="L1425" class="LineNr">1425 </span>  (<a href='boot.subx.html#L1482'>any-mouse-event?</a>)  <span class="subxComment"># =&gt; eax</span>
-<span id="L1426" class="LineNr">1426 </span>  3d/compare-eax-and 0/imm32/false
-<span id="L1427" class="LineNr">1427 </span>  74/jump-if-= $read-mouse-event:end/disp8
-<span id="L1428" class="LineNr">1428 </span>  <span class="subxComment"># var f1/edx: byte = inb(0x60)</span>
-<span id="L1429" class="LineNr">1429 </span>  31/xor %eax 0/r32/eax
-<span id="L1430" class="LineNr">1430 </span>  e4/read-port-into-al 0x60/imm8
-<span id="L1431" class="LineNr">1431 </span>  89/&lt;- %edx 0/r32/eax
-<span id="L1432" class="LineNr">1432 </span>  (<a href='boot.subx.html#L1467'>wait-for-mouse-event</a>)
-<span id="L1433" class="LineNr">1433 </span>  <span class="subxComment"># var dx/ebx: byte = inb(0x60)</span>
-<span id="L1434" class="LineNr">1434 </span>  31/xor %eax 0/r32/eax
-<span id="L1435" class="LineNr">1435 </span>  e4/read-port-into-al 0x60/imm8
-<span id="L1436" class="LineNr">1436 </span>  89/&lt;- %ebx 0/r32/eax
-<span id="L1437" class="LineNr">1437 </span>  (<a href='boot.subx.html#L1467'>wait-for-mouse-event</a>)
-<span id="L1438" class="LineNr">1438 </span>  <span class="subxComment"># var dy/ecx: byte = inb(0x60)</span>
-<span id="L1439" class="LineNr">1439 </span>  31/xor %eax 0/r32/eax
-<span id="L1440" class="LineNr">1440 </span>  e4/read-port-into-al 0x60/imm8
-<span id="L1441" class="LineNr">1441 </span>  89/&lt;- %ecx 0/r32/eax
-<span id="L1442" class="LineNr">1442 </span>  <span class="subxComment"># eax = dx</span>
-<span id="L1443" class="LineNr">1443 </span>  89/&lt;- %eax 3/r32/ebx
-<span id="L1444" class="LineNr">1444 </span>  <span class="subxComment"># if (f1 &amp; 0x10) dx = -dx</span>
-<span id="L1445" class="LineNr">1445 </span>  {
-<span id="L1446" class="LineNr">1446 </span>    f6 0/subop/test-bits %dl 0x10/imm8
-<span id="L1447" class="LineNr">1447 </span>    74/jump-if-zero <span class="Constant">break</span>/disp8
-<span id="L1448" class="LineNr">1448 </span>    0d/or-eax-with 0xffffff00/imm32
-<span id="L1449" class="LineNr">1449 </span>  }
-<span id="L1450" class="LineNr">1450 </span>  <span class="subxComment"># if (f1 &amp; 0x20) dy = -dy</span>
-<span id="L1451" class="LineNr">1451 </span>  {
-<span id="L1452" class="LineNr">1452 </span>    f6 0/subop/test-bits %dl 0x20/imm8
-<span id="L1453" class="LineNr">1453 </span>    74/jump-if-zero <span class="Constant">break</span>/disp8
-<span id="L1454" class="LineNr">1454 </span>    81 1/subop/or %ecx 0xffffff00/imm32
-<span id="L1455" class="LineNr">1455 </span>  }
-<span id="L1456" class="LineNr">1456 </span><span class="Constant">$read-mouse-event:end</span>:
-<span id="L1457" class="LineNr">1457 </span>  <span class="subxS1Comment"># . restore registers</span>
-<span id="L1458" class="LineNr">1458 </span>  5b/pop-to-ebx
-<span id="L1459" class="LineNr">1459 </span>  5a/pop-to-edx
-<span id="L1460" class="LineNr">1460 </span>  <span class="subxS1Comment"># . epilogue</span>
-<span id="L1461" class="LineNr">1461 </span>  89/&lt;- %esp 5/r32/ebp
-<span id="L1462" class="LineNr">1462 </span>  5d/pop-to-ebp
-<span id="L1463" class="LineNr">1463 </span>  c3/return
-<span id="L1464" class="LineNr">1464 </span>
-<span id="L1465" class="Folded">1465 </span><span class="Folded">+--147 lines: # mouse helpers -----------------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L1612" class="LineNr">1612 </span>
-<span id="L1613" class="LineNr">1613 </span><span class="subxComment"># vim&#0058;ft=subx</span>
+<span id="L1080" class="LineNr">1080 </span>      49/decrement-ecx
+<span id="L1081" class="LineNr">1081 </span>      <span class="subxComment"># reset first-byte</span>
+<span id="L1082" class="LineNr">1082 </span>      bb/copy-to-ebx 0xffff/imm32
+<span id="L1083" class="LineNr">1083 </span>      eb/jump <span class="Constant">loop</span>/disp8
+<span id="L1084" class="LineNr">1084 </span>    }
+<span id="L1085" class="LineNr">1085 </span>    <span class="subxComment"># write out final first-byte if necessary</span>
+<span id="L1086" class="LineNr">1086 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;I&quot; 7 0)</span>
+<span id="L1087" class="LineNr">1087 </span>    81 7/subop/compare %ebx 0xff/imm32
+<span id="L1088" class="LineNr">1088 </span>    {
+<span id="L1089" class="LineNr">1089 </span>      7f/jump-if-&gt; <span class="Constant">break</span>/disp8
+<span id="L1090" class="LineNr">1090 </span>      89/&lt;- %eax 3/r32/ebx
+<span id="L1091" class="LineNr">1091 </span>      66 ef/write-ax-into-port-dx
+<span id="L1092" class="LineNr">1092 </span>      49/decrement-ecx
+<span id="L1093" class="LineNr">1093 </span>      49/decrement-ecx
+<span id="L1094" class="LineNr">1094 </span>    }
+<span id="L1095" class="LineNr">1095 </span>    <span class="subxComment"># pad zeroes</span>
+<span id="L1096" class="LineNr">1096 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;P&quot; 7 0)</span>
+<span id="L1097" class="LineNr">1097 </span>    31/xor %eax 0/r32/eax
+<span id="L1098" class="LineNr">1098 </span>    {
+<span id="L1099" class="LineNr">1099 </span>      81 7/subop/compare %ecx 0/imm32
+<span id="L1100" class="LineNr">1100 </span>      74/jump-if-= <span class="Constant">break</span>/disp8
+<span id="L1101" class="LineNr">1101 </span>      66 ef/write-ax-into-port-dx
+<span id="L1102" class="LineNr">1102 </span>      49/decrement-ecx
+<span id="L1103" class="LineNr">1103 </span>      49/decrement-ecx
+<span id="L1104" class="LineNr">1104 </span>      eb/jump <span class="Constant">loop</span>/disp8
+<span id="L1105" class="LineNr">1105 </span>    }
+<span id="L1106" class="LineNr">1106 </span>    <span class="subxComment"># next sector</span>
+<span id="L1107" class="LineNr">1107 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;N&quot; 7 0)</span>
+<span id="L1108" class="LineNr">1108 </span>    ff 1/subop/decrement *(ebp+0x10)
+<span id="L1109" class="LineNr">1109 </span>    81 7/subop/compare *(ebp+0x10) 0/imm32
+<span id="L1110" class="LineNr">1110 </span>    7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
+<span id="L1111" class="LineNr">1111 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;W&quot; 7 0)</span>
+<span id="L1112" class="LineNr">1112 </span>    (<a href='boot.subx.html#L1365'>wait-400ns</a> *(ebp+8))
+<span id="L1113" class="LineNr">1113 </span><span class="CommentedCode">#?     (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;L&quot; 7 0)</span>
+<span id="L1114" class="LineNr">1114 </span>    e9/jump <span class="Constant">loop</span>/disp32
+<span id="L1115" class="LineNr">1115 </span>  }
+<span id="L1116" class="LineNr">1116 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;F&quot; 7 0)</span>
+<span id="L1117" class="LineNr">1117 </span>  (<a href='boot.subx.html#L1399'>flush-ata-cache</a> *(ebp+8))
+<span id="L1118" class="LineNr">1118 </span><span class="CommentedCode">#?   (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 &quot;Y&quot; 7 0)</span>
+<span id="L1119" class="LineNr">1119 </span><span class="Constant">$store-sectors:end</span>:
+<span id="L1120" class="LineNr">1120 </span>  <span class="subxS1Comment"># . restore registers</span>
+<span id="L1121" class="LineNr">1121 </span>  5b/pop-to-ebx
+<span id="L1122" class="LineNr">1122 </span>  5a/pop-to-edx
+<span id="L1123" class="LineNr">1123 </span>  59/pop-to-ecx
+<span id="L1124" class="LineNr">1124 </span>  58/pop-to-eax
+<span id="L1125" class="LineNr">1125 </span>  <span class="subxS1Comment"># . epilogue</span>
+<span id="L1126" class="LineNr">1126 </span>  89/&lt;- %esp 5/r32/ebp
+<span id="L1127" class="LineNr">1127 </span>  5d/pop-to-ebp
+<span id="L1128" class="LineNr">1128 </span>  c3/return
+<span id="L1129" class="LineNr">1129 </span>
+<span id="L1130" class="Folded">1130 </span><span class="Folded">+--289 lines: # disk helpers ------------------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L1419" class="LineNr">1419 </span>
+<span id="L1420" class="LineNr">1420 </span><span class="subxComment">## Controlling a PS/2 mouse</span>
+<span id="L1421" class="LineNr">1421 </span><span class="subxComment"># Uses no IRQs, just polling.</span>
+<span id="L1422" class="LineNr">1422 </span><span class="subxComment"># Thanks Dave Long: <a href="https://github.com/jtauber/cleese/blob/master/necco/kernel/bochs/py8042.py">https://github.com/jtauber/cleese/blob/master/necco/kernel/bochs/py8042.py</a></span>
+<span id="L1423" class="LineNr">1423 </span><span class="subxComment">#</span>
+<span id="L1424" class="LineNr">1424 </span><span class="subxComment"># Resources:</span>
+<span id="L1425" class="LineNr">1425 </span><span class="subxComment">#   <a href="https://wiki.osdev.org/Mouse_Input">https://wiki.osdev.org/Mouse_Input</a></span>
+<span id="L1426" class="LineNr">1426 </span>
+<span id="L1427" class="LineNr">1427 </span><span class="subxComment"># results x/eax, y/ecx range from -256 to +255</span>
+<span id="L1428" class="LineNr">1428 </span><span class="subxComment"># See <a href="https://wiki.osdev.org/index.php?title=Mouse_Input&amp;oldid=25663#Format_of_First_3_Packet_Bytes">https://wiki.osdev.org/index.php?title=Mouse_Input&amp;oldid=25663#Format_of_First_3_Packet_Bytes</a></span>
+<span id="L1429" class="LineNr">1429 </span><span class="subxFunction">read-mouse-event</span>:  <span class="subxComment"># -&gt; _/eax: int, _/ecx: int</span>
+<span id="L1430" class="LineNr">1430 </span>  <span class="subxS1Comment"># . prologue</span>
+<span id="L1431" class="LineNr">1431 </span>  55/push-ebp
+<span id="L1432" class="LineNr">1432 </span>  89/&lt;- %ebp 4/r32/esp
+<span id="L1433" class="LineNr">1433 </span>  <span class="subxS1Comment"># . save registers</span>
+<span id="L1434" class="LineNr">1434 </span>  52/push-edx
+<span id="L1435" class="LineNr">1435 </span>  53/push-ebx
+<span id="L1436" class="LineNr">1436 </span>  <span class="subxComment"># if no event, return 0, 0</span>
+<span id="L1437" class="LineNr">1437 </span>  b8/copy-to-eax 0/imm32
+<span id="L1438" class="LineNr">1438 </span>  b9/copy-to-ecx 0/imm32
+<span id="L1439" class="LineNr">1439 </span>  (<a href='boot.subx.html#L1496'>any-mouse-event?</a>)  <span class="subxComment"># =&gt; eax</span>
+<span id="L1440" class="LineNr">1440 </span>  3d/compare-eax-and 0/imm32/false
+<span id="L1441" class="LineNr">1441 </span>  74/jump-if-= $read-mouse-event:end/disp8
+<span id="L1442" class="LineNr">1442 </span>  <span class="subxComment"># var f1/edx: byte = inb(0x60)</span>
+<span id="L1443" class="LineNr">1443 </span>  31/xor %eax 0/r32/eax
+<span id="L1444" class="LineNr">1444 </span>  e4/read-port-into-al 0x60/imm8
+<span id="L1445" class="LineNr">1445 </span>  89/&lt;- %edx 0/r32/eax
+<span id="L1446" class="LineNr">1446 </span>  (<a href='boot.subx.html#L1481'>wait-for-mouse-event</a>)
+<span id="L1447" class="LineNr">1447 </span>  <span class="subxComment"># var dx/ebx: byte = inb(0x60)</span>
+<span id="L1448" class="LineNr">1448 </span>  31/xor %eax 0/r32/eax
+<span id="L1449" class="LineNr">1449 </span>  e4/read-port-into-al 0x60/imm8
+<span id="L1450" class="LineNr">1450 </span>  89/&lt;- %ebx 0/r32/eax
+<span id="L1451" class="LineNr">1451 </span>  (<a href='boot.subx.html#L1481'>wait-for-mouse-event</a>)
+<span id="L1452" class="LineNr">1452 </span>  <span class="subxComment"># var dy/ecx: byte = inb(0x60)</span>
+<span id="L1453" class="LineNr">1453 </span>  31/xor %eax 0/r32/eax
+<span id="L1454" class="LineNr">1454 </span>  e4/read-port-into-al 0x60/imm8
+<span id="L1455" class="LineNr">1455 </span>  89/&lt;- %ecx 0/r32/eax
+<span id="L1456" class="LineNr">1456 </span>  <span class="subxComment"># eax = dx</span>
+<span id="L1457" class="LineNr">1457 </span>  89/&lt;- %eax 3/r32/ebx
+<span id="L1458" class="LineNr">1458 </span>  <span class="subxComment"># if (f1 &amp; 0x10) dx = -dx</span>
+<span id="L1459" class="LineNr">1459 </span>  {
+<span id="L1460" class="LineNr">1460 </span>    f6 0/subop/test-bits %dl 0x10/imm8
+<span id="L1461" class="LineNr">1461 </span>    74/jump-if-zero <span class="Constant">break</span>/disp8
+<span id="L1462" class="LineNr">1462 </span>    0d/or-eax-with 0xffffff00/imm32
+<span id="L1463" class="LineNr">1463 </span>  }
+<span id="L1464" class="LineNr">1464 </span>  <span class="subxComment"># if (f1 &amp; 0x20) dy = -dy</span>
+<span id="L1465" class="LineNr">1465 </span>  {
+<span id="L1466" class="LineNr">1466 </span>    f6 0/subop/test-bits %dl 0x20/imm8
+<span id="L1467" class="LineNr">1467 </span>    74/jump-if-zero <span class="Constant">break</span>/disp8
+<span id="L1468" class="LineNr">1468 </span>    81 1/subop/or %ecx 0xffffff00/imm32
+<span id="L1469" class="LineNr">1469 </span>  }
+<span id="L1470" class="LineNr">1470 </span><span class="Constant">$read-mouse-event:end</span>:
+<span id="L1471" class="LineNr">1471 </span>  <span class="subxS1Comment"># . restore registers</span>
+<span id="L1472" class="LineNr">1472 </span>  5b/pop-to-ebx
+<span id="L1473" class="LineNr">1473 </span>  5a/pop-to-edx
+<span id="L1474" class="LineNr">1474 </span>  <span class="subxS1Comment"># . epilogue</span>
+<span id="L1475" class="LineNr">1475 </span>  89/&lt;- %esp 5/r32/ebp
+<span id="L1476" class="LineNr">1476 </span>  5d/pop-to-ebp
+<span id="L1477" class="LineNr">1477 </span>  c3/return
+<span id="L1478" class="LineNr">1478 </span>
+<span id="L1479" class="Folded">1479 </span><span class="Folded">+--147 lines: # mouse helpers -----------------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L1626" class="LineNr">1626 </span>
+<span id="L1627" class="LineNr">1627 </span><span class="subxComment"># vim&#0058;ft=subx</span>
 </pre>
 </body>
 </html>
diff --git a/html/colors.mu.html b/html/colors.mu.html
index 756f0f90..33a0bff2 100644
--- a/html/colors.mu.html
+++ b/html/colors.mu.html
@@ -78,7 +78,7 @@ if ('onhashchange' in window) {
 <span id="L19" class="LineNr"> 19 </span>    <span class="muComment"># read line from keyboard</span>
 <span id="L20" class="LineNr"> 20 </span>    <a href='106stream.subx.html#L20'>clear-stream</a> in
 <span id="L21" class="LineNr"> 21 </span>    <span class="Delimiter">{</span>
-<span id="L22" class="LineNr"> 22 </span>      <a href='500fake-screen.mu.html#L216'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space
+<span id="L22" class="LineNr"> 22 </span>      <a href='500fake-screen.mu.html#L217'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space
 <span id="L23" class="LineNr"> 23 </span>      <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='102keyboard.subx.html#L21'>read-key</a> keyboard
 <span id="L24" class="LineNr"> 24 </span>      compare key, <span class="Constant">0xa</span>/newline
 <span id="L25" class="LineNr"> 25 </span>      <span class="PreProc">break-if-=</span>
@@ -91,7 +91,7 @@ if ('onhashchange' in window) {
 <span id="L32" class="LineNr"> 32 </span>      <a href='501draw-text.mu.html#L16'>move-cursor-right</a> <span class="Constant">0</span>
 <span id="L33" class="LineNr"> 33 </span>      <span class="PreProc">loop</span>
 <span id="L34" class="LineNr"> 34 </span>    <span class="Delimiter">}</span>
-<span id="L35" class="LineNr"> 35 </span>    <a href='500fake-screen.mu.html#L230'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L35" class="LineNr"> 35 </span>    <a href='500fake-screen.mu.html#L231'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L36" class="LineNr"> 36 </span>    <span class="muComment"># parse</span>
 <span id="L37" class="LineNr"> 37 </span>    <span class="PreProc">var</span> a/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L38" class="LineNr"> 38 </span>    <span class="PreProc">var</span> b/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
@@ -275,11 +275,11 @@ if ('onhashchange' in window) {
 <span id="L216" class="LineNr">216 </span>      <span class="PreProc">break-if-!=</span>
 <span id="L217" class="LineNr">217 </span>      compare c, l
 <span id="L218" class="LineNr">218 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L219" class="LineNr">219 </span>      <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/x, y
-<span id="L220" class="LineNr">220 </span>      <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, color, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L221" class="LineNr">221 </span>      <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x14</span>/x, y
-<span id="L222" class="LineNr">222 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L223" class="LineNr">223 </span>      <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;               &quot;</span>, <span class="Constant">0</span>/fg, color
+<span id="L219" class="LineNr">219 </span>      <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/x, y
+<span id="L220" class="LineNr">220 </span>      <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, color, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L221" class="LineNr">221 </span>      <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x14</span>/x, y
+<span id="L222" class="LineNr">222 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L223" class="LineNr">223 </span>      <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;               &quot;</span>, <span class="Constant">0</span>/fg, color
 <span id="L224" class="LineNr">224 </span><span class="CommentedCode">#?       draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, &quot; &quot;, 7/fg, 0/bg</span>
 <span id="L225" class="LineNr">225 </span><span class="CommentedCode">#?       draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen screen, a, 7/fg, 0/bg</span>
 <span id="L226" class="LineNr">226 </span><span class="CommentedCode">#?       draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, &quot; &quot;, 7/fg, 0/bg</span>
diff --git a/html/ex10.mu.html b/html/ex10.mu.html
index 71ede3a0..93781f42 100644
--- a/html/ex10.mu.html
+++ b/html/ex10.mu.html
@@ -74,7 +74,7 @@ if ('onhashchange' in window) {
 <span id="L16" class="LineNr">16 </span>  $main:event-loop: <span class="Delimiter">{</span>
 <span id="L17" class="LineNr">17 </span>    <span class="PreProc">var</span> dx/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L18" class="LineNr">18 </span>    <span class="PreProc">var</span> dy/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L19" class="LineNr">19 </span>    dx, dy <span class="Special">&lt;-</span> <a href='boot.subx.html#L1415'>read-mouse-event</a>
+<span id="L19" class="LineNr">19 </span>    dx, dy <span class="Special">&lt;-</span> <a href='boot.subx.html#L1429'>read-mouse-event</a>
 <span id="L20" class="LineNr">20 </span>    <span class="Delimiter">{</span>
 <span id="L21" class="LineNr">21 </span>      compare dx, <span class="Constant">0</span>
 <span id="L22" class="LineNr">22 </span>      <span class="PreProc">break-if-!=</span>
@@ -85,15 +85,15 @@ if ('onhashchange' in window) {
 <span id="L27" class="LineNr">27 </span>    <span class="Delimiter">{</span>
 <span id="L28" class="LineNr">28 </span>      <span class="PreProc">var</span> dummy1/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L29" class="LineNr">29 </span>      <span class="PreProc">var</span> dummy2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L30" class="LineNr">30 </span>      dummy1, dummy2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L235'>draw-text-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
+<span id="L30" class="LineNr">30 </span>      dummy1, dummy2 <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L256'>draw-text-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
 <span id="L31" class="LineNr">31 </span>    <span class="Delimiter">}</span>
 <span id="L32" class="LineNr">32 </span>    <span class="Delimiter">{</span>
 <span id="L33" class="LineNr">33 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L34" class="LineNr">34 </span>      dx, dummy <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L343'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dx, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
+<span id="L34" class="LineNr">34 </span>      dx, dummy <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dx, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
 <span id="L35" class="LineNr">35 </span>    <span class="Delimiter">}</span>
 <span id="L36" class="LineNr">36 </span>    <span class="Delimiter">{</span>
 <span id="L37" class="LineNr">37 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L38" class="LineNr">38 </span>      dummy, dy <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L343'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dy, <span class="Constant">5</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
+<span id="L38" class="LineNr">38 </span>      dummy, dy <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dy, <span class="Constant">5</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
 <span id="L39" class="LineNr">39 </span>    <span class="Delimiter">}</span>
 <span id="L40" class="LineNr">40 </span>    <span class="PreProc">loop</span>
 <span id="L41" class="LineNr">41 </span>  <span class="Delimiter">}</span>
diff --git a/html/ex11.mu.html b/html/ex11.mu.html
index 853b68d0..084d01d7 100644
--- a/html/ex11.mu.html
+++ b/html/ex11.mu.html
@@ -93,7 +93,7 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr"> 35 </span><span class="Delimiter">}</span>
 <span id="L36" class="LineNr"> 36 </span>
 <span id="L37" class="LineNr"> 37 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex11.mu.html#L37'>render</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='ex11.mu.html#L25'>environment</a>) <span class="Delimiter">{</span>
-<span id="L38" class="LineNr"> 38 </span>  <a href='500fake-screen.mu.html#L230'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L38" class="LineNr"> 38 </span>  <a href='500fake-screen.mu.html#L231'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L39" class="LineNr"> 39 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='ex11.mu.html#L25'>environment</a>) <span class="Special">&lt;-</span> copy _self
 <span id="L40" class="LineNr"> 40 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">ecx</span>: (addr handle <a href='ex11.mu.html#L32'>point</a>) <span class="Special">&lt;-</span> get self, p0
 <span id="L41" class="LineNr"> 41 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr <a href='ex11.mu.html#L32'>point</a>) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L223'>lookup</a> *tmp-ah
diff --git a/html/ex2.mu.html b/html/ex2.mu.html
index b9fc5124..ee5edcd4 100644
--- a/html/ex2.mu.html
+++ b/html/ex2.mu.html
@@ -76,7 +76,7 @@ if ('onhashchange' in window) {
 <span id="L18" class="LineNr">18 </span>      <span class="PreProc">break-if-&gt;=</span>
 <span id="L19" class="LineNr">19 </span>      <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x
 <span id="L20" class="LineNr">20 </span>      color <span class="Special">&lt;-</span> and <span class="Constant">0xff</span>
-<span id="L21" class="LineNr">21 </span>      <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a> x, y, color
+<span id="L21" class="LineNr">21 </span>      <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a> x, y, color
 <span id="L22" class="LineNr">22 </span>      x <span class="Special">&lt;-</span> increment
 <span id="L23" class="LineNr">23 </span>      <span class="PreProc">loop</span>
 <span id="L24" class="LineNr">24 </span>    <span class="Delimiter">}</span>
diff --git a/html/ex6.mu.html b/html/ex6.mu.html
index 113bc486..47ef7b14 100644
--- a/html/ex6.mu.html
+++ b/html/ex6.mu.html
@@ -72,21 +72,21 @@ if ('onhashchange' in window) {
 <span id="L14" class="LineNr">14 </span>  <a href='503manhattan-line.mu.html#L1'>draw-box-on-real-screen</a> <span class="Constant">0xf</span>, <span class="Constant">0x1f</span>, <span class="Constant">0x79</span>, <span class="Constant">0x51</span>, <span class="Constant">0x4</span>
 <span id="L15" class="LineNr">15 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0x20</span>
 <span id="L16" class="LineNr">16 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0x20</span>
-<span id="L17" class="LineNr">17 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;hello &quot;</span>,     <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L18" class="LineNr">18 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;from &quot;</span>,      <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L19" class="LineNr">19 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;baremetal &quot;</span>, <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L20" class="LineNr">20 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;Mu!&quot;</span>,        <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L17" class="LineNr">17 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;hello &quot;</span>,     <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L18" class="LineNr">18 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;from &quot;</span>,      <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L19" class="LineNr">19 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;baremetal &quot;</span>, <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L20" class="LineNr">20 </span>  x, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;Mu!&quot;</span>,        <span class="Constant">0x10</span>/xmin, <span class="Constant">0x20</span>/ymin, <span class="Constant">0x78</span>/xmax, <span class="Constant">0x50</span>/ymax, x, y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
 <span id="L21" class="LineNr">21 </span>
 <span id="L22" class="LineNr">22 </span>  <span class="muComment"># drawing at the cursor in multiple directions</span>
-<span id="L23" class="LineNr">23 </span>  <a href='501draw-text.mu.html#L472'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;abc&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L24" class="LineNr">24 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;def&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L23" class="LineNr">23 </span>  <a href='501draw-text.mu.html#L493'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;abc&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L24" class="LineNr">24 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;def&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
 <span id="L25" class="LineNr">25 </span>
 <span id="L26" class="LineNr">26 </span>  <span class="muComment"># test drawing near the edge</span>
 <span id="L27" class="LineNr">27 </span>  x <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;R&quot;</span>, <span class="Constant">0x7f</span>/x, <span class="Constant">0x80</span>/xmax=screen-width, <span class="Constant">0x18</span>/y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L28" class="LineNr">28 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;wrapped from R&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L28" class="LineNr">28 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;wrapped from R&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
 <span id="L29" class="LineNr">29 </span>
-<span id="L30" class="LineNr">30 </span>  x <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L378'>draw-text-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;D&quot;</span>, <span class="Constant">0x20</span>/x, <span class="Constant">0x2f</span>/y, <span class="Constant">0x30</span>/ymax=screen-height, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
-<span id="L31" class="LineNr">31 </span>  <a href='501draw-text.mu.html#L472'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;wrapped from D&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L30" class="LineNr">30 </span>  x <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L399'>draw-text-downward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;D&quot;</span>, <span class="Constant">0x20</span>/x, <span class="Constant">0x2f</span>/y, <span class="Constant">0x30</span>/ymax=screen-height, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
+<span id="L31" class="LineNr">31 </span>  <a href='501draw-text.mu.html#L493'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;wrapped from D&quot;</span>, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
 <span id="L32" class="LineNr">32 </span><span class="Delimiter">}</span>
 </pre>
 </body>
diff --git a/html/ex7.mu.html b/html/ex7.mu.html
index 25f8975d..8fc47169 100644
--- a/html/ex7.mu.html
+++ b/html/ex7.mu.html
@@ -70,9 +70,9 @@ if ('onhashchange' in window) {
 <span id="L12" class="LineNr">12 </span>
 <span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex7.mu.html#L13'>main</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
 <span id="L14" class="LineNr">14 </span>  <span class="PreProc">var</span> space/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> copy <span class="Constant">0x20</span>
-<span id="L15" class="LineNr">15 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L15" class="LineNr">15 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
 <span id="L16" class="LineNr">16 </span>  <span class="Delimiter">{</span>
-<span id="L17" class="LineNr">17 </span>    <a href='500fake-screen.mu.html#L216'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, space
+<span id="L17" class="LineNr">17 </span>    <a href='500fake-screen.mu.html#L217'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, space
 <span id="L18" class="LineNr">18 </span>    <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='102keyboard.subx.html#L21'>read-key</a> keyboard
 <span id="L19" class="LineNr">19 </span>    <span class="Delimiter">{</span>
 <span id="L20" class="LineNr">20 </span>      compare key, <span class="Constant">0x68</span>/h
diff --git a/html/ex9.mu.html b/html/ex9.mu.html
index c14e8878..f64c025c 100644
--- a/html/ex9.mu.html
+++ b/html/ex9.mu.html
@@ -76,14 +76,14 @@ if ('onhashchange' in window) {
 <span id="L18" class="LineNr">18 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex9.mu.html#L18'>main</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
 <span id="L19" class="LineNr">19 </span>  <span class="PreProc">var</span> text-storage: (stream byte <span class="Constant">0x200</span>)
 <span id="L20" class="LineNr">20 </span>  <span class="PreProc">var</span> text/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address text-storage
-<span id="L21" class="LineNr">21 </span>  <a href='boot.subx.html#L946'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, text
+<span id="L21" class="LineNr">21 </span>  <a href='boot.subx.html#L960'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, text
 <span id="L22" class="LineNr">22 </span>
 <span id="L23" class="LineNr">23 </span>  <span class="PreProc">var</span> <a href='ex9.mu.html#L31'>word-count</a>/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='ex9.mu.html#L31'>word-count</a> text
 <span id="L24" class="LineNr">24 </span>
 <span id="L25" class="LineNr">25 </span>  <span class="PreProc">var</span> result-storage: (stream byte <span class="Constant">0x10</span>)
 <span id="L26" class="LineNr">26 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address result-storage
 <span id="L27" class="LineNr">27 </span>  <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> result, <a href='ex9.mu.html#L31'>word-count</a>
-<span id="L28" class="LineNr">28 </span>  <a href='boot.subx.html#L1009'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, result
+<span id="L28" class="LineNr">28 </span>  <a href='boot.subx.html#L1023'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, result
 <span id="L29" class="LineNr">29 </span><span class="Delimiter">}</span>
 <span id="L30" class="LineNr">30 </span>
 <span id="L31" class="LineNr">31 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex9.mu.html#L31'>word-count</a></span> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
diff --git a/html/hest-life.mu.html b/html/hest-life.mu.html
index 0dafde10..32456854 100644
--- a/html/hest-life.mu.html
+++ b/html/hest-life.mu.html
@@ -87,7 +87,7 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr">  28 </span>  <span class="PreProc">var</span> second-screen/<span class="Constant">edi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address second-buffer
 <span id="L29" class="LineNr">  29 </span>  <a href='500fake-screen.mu.html#L31'>initialize-screen</a> second-screen, <span class="Constant">0x80</span>, <span class="Constant">0x30</span>, <span class="Constant">1</span>/include-pixels
 <span id="L30" class="LineNr">  30 </span>  <a href='hest-life.mu.html#L60'>render</a> second-screen, env
-<span id="L31" class="LineNr">  31 </span>  <a href='500fake-screen.mu.html#L523'>copy-pixels</a> second-screen, <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L31" class="LineNr">  31 </span>  <a href='500fake-screen.mu.html#L524'>copy-pixels</a> second-screen, <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L32" class="LineNr">  32 </span>  <span class="Delimiter">{</span>
 <span id="L33" class="LineNr">  33 </span>    <a href='hest-life.mu.html#L592'>edit</a> keyboard, env
 <span id="L34" class="LineNr">  34 </span>    <span class="PreProc">var</span> play?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get env, play?
@@ -96,7 +96,7 @@ if ('onhashchange' in window) {
 <span id="L37" class="LineNr">  37 </span>      <span class="PreProc">break-if-=</span>
 <span id="L38" class="LineNr">  38 </span>      <a href='hest-life.mu.html#L676'>step</a> env
 <span id="L39" class="LineNr">  39 </span>      <a href='hest-life.mu.html#L60'>render</a> second-screen, env
-<span id="L40" class="LineNr">  40 </span>      <a href='500fake-screen.mu.html#L523'>copy-pixels</a> second-screen, <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L40" class="LineNr">  40 </span>      <a href='500fake-screen.mu.html#L524'>copy-pixels</a> second-screen, <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L41" class="LineNr">  41 </span>    <span class="Delimiter">}</span>
 <span id="L42" class="LineNr">  42 </span>    <a href='hest-life.mu.html#L1016'>linger</a> env
 <span id="L43" class="LineNr">  43 </span>    <span class="PreProc">loop</span>
@@ -122,13 +122,13 @@ if ('onhashchange' in window) {
 <span id="L63" class="LineNr">  63 </span>  compare *zoom, <span class="Constant">0</span>
 <span id="L64" class="LineNr">  64 </span>  <span class="Delimiter">{</span>
 <span id="L65" class="LineNr">  65 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L66" class="LineNr">  66 </span>    <a href='500fake-screen.mu.html#L230'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L66" class="LineNr">  66 </span>    <a href='500fake-screen.mu.html#L231'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L67" class="LineNr">  67 </span>    <a href='hest-life.mu.html#L89'>render0</a> <a href='500fake-screen.mu.html#L14'>screen</a>, self
 <span id="L68" class="LineNr">  68 </span>  <span class="Delimiter">}</span>
 <span id="L69" class="LineNr">  69 </span>  compare *zoom, <span class="Constant">1</span>
 <span id="L70" class="LineNr">  70 </span>  <span class="Delimiter">{</span>
 <span id="L71" class="LineNr">  71 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L72" class="LineNr">  72 </span>    <a href='500fake-screen.mu.html#L230'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
+<span id="L72" class="LineNr">  72 </span>    <a href='500fake-screen.mu.html#L231'>clear-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>
 <span id="L73" class="LineNr">  73 </span>    <a href='hest-life.mu.html#L209'>render1</a> <a href='500fake-screen.mu.html#L14'>screen</a>, self
 <span id="L74" class="LineNr">  74 </span>  <span class="Delimiter">}</span>
 <span id="L75" class="LineNr">  75 </span>  compare *zoom, <span class="Constant">4</span>
@@ -138,8 +138,8 @@ if ('onhashchange' in window) {
 <span id="L79" class="LineNr">  79 </span>  <span class="Delimiter">}</span>
 <span id="L80" class="LineNr">  80 </span>  <span class="muComment"># clock</span>
 <span id="L81" class="LineNr">  81 </span>  <span class="PreProc">var</span> tick-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, tick
-<span id="L82" class="LineNr">  82 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x78</span>/x, <span class="Constant">0</span>/y
-<span id="L83" class="LineNr">  83 </span>  <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, *tick-a, <span class="Constant">7</span>/fg <span class="Constant">0</span>/bg
+<span id="L82" class="LineNr">  82 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x78</span>/x, <span class="Constant">0</span>/y
+<span id="L83" class="LineNr">  83 </span>  <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, *tick-a, <span class="Constant">7</span>/fg <span class="Constant">0</span>/bg
 <span id="L84" class="LineNr">  84 </span><span class="Delimiter">}</span>
 <span id="L85" class="LineNr">  85 </span>
 <span id="L86" class="LineNr">  86 </span><span class="muComment"># Lots of hardcoded constants for now.</span>
@@ -172,8 +172,8 @@ if ('onhashchange' in window) {
 <span id="L113" class="LineNr"> 113 </span>  <a href='507line.mu.html#L86'>draw-rect</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x350</span>/xmin  <span class="Constant">0x170</span>/ymin,   <span class="Constant">0x370</span>/xmax  <span class="Constant">0x190</span>/ymax,  color
 <span id="L114" class="LineNr"> 114 </span>  <span class="muComment"># sum node</span>
 <span id="L115" class="LineNr"> 115 </span>  <a href='507line.mu.html#L86'>draw-rect</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x170</span>/xsmin <span class="Constant">0x140</span>/ysmin,  <span class="Constant">0x190</span>/xsmax <span class="Constant">0x160</span>/ysmax, <span class="Constant">0x40</span>/color
-<span id="L116" class="LineNr"> 116 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>/scol, <span class="Constant">0x13</span>/srow
-<span id="L117" class="LineNr"> 117 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;+&quot;</span>, <span class="Constant">0xf</span>/color, <span class="Constant">0</span>/bg
+<span id="L116" class="LineNr"> 116 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>/scol, <span class="Constant">0x13</span>/srow
+<span id="L117" class="LineNr"> 117 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;+&quot;</span>, <span class="Constant">0xf</span>/color, <span class="Constant">0</span>/bg
 <span id="L118" class="LineNr"> 118 </span>  <span class="muComment"># conveyors from neighboring inputs to sum node</span>
 <span id="L119" class="LineNr"> 119 </span>  <a href='509bezier.mu.html#L14'>draw-monotonic-bezier</a> <a href='500fake-screen.mu.html#L14'>screen</a>,  <span class="Constant">0xa0</span>/x0  <span class="Constant">0x20</span>/y0,  <span class="Constant">0x100</span>/x1 <span class="Constant">0x150</span>/ys,  <span class="Constant">0x180</span>/xs <span class="Constant">0x150</span>/ys,  <span class="Constant">4</span>/color
 <span id="L120" class="LineNr"> 120 </span>  <a href='509bezier.mu.html#L14'>draw-monotonic-bezier</a> <a href='500fake-screen.mu.html#L14'>screen</a>,  <span class="Constant">0xa0</span>/x0 <span class="Constant">0x180</span>/y0,   <span class="Constant">0xc0</span>/x1 <span class="Constant">0x150</span>/ys,  <span class="Constant">0x180</span>/xs <span class="Constant">0x150</span>/ys,  <span class="Constant">4</span>/color
@@ -185,8 +185,8 @@ if ('onhashchange' in window) {
 <span id="L126" class="LineNr"> 126 </span>  <a href='509bezier.mu.html#L14'>draw-monotonic-bezier</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x360</span>/x0 <span class="Constant">0x2e0</span>/y0,  <span class="Constant">0x180</span>/x1 <span class="Constant">0x200</span>/y1,  <span class="Constant">0x180</span>/xs <span class="Constant">0x150</span>/ys,  <span class="Constant">4</span>/color
 <span id="L127" class="LineNr"> 127 </span>  <span class="muComment"># filter node</span>
 <span id="L128" class="LineNr"> 128 </span>  <a href='507line.mu.html#L86'>draw-rect</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x200</span>/xfmin <span class="Constant">0x1c0</span>/yfmin, <span class="Constant">0x220</span>/xfmax <span class="Constant">0x1e0</span>/yfmax, <span class="Constant">0x31</span>/color
-<span id="L129" class="LineNr"> 129 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x40</span>/fcol, <span class="Constant">0x1b</span>/frow
-<span id="L130" class="LineNr"> 130 </span>  <a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;?&quot;</span>, <span class="Constant">0xf</span>/color, <span class="Constant">0</span>/bg
+<span id="L129" class="LineNr"> 129 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x40</span>/fcol, <span class="Constant">0x1b</span>/frow
+<span id="L130" class="LineNr"> 130 </span>  <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;?&quot;</span>, <span class="Constant">0xf</span>/color, <span class="Constant">0</span>/bg
 <span id="L131" class="LineNr"> 131 </span>  <span class="muComment"># conveyor from sum node to filter node</span>
 <span id="L132" class="LineNr"> 132 </span>  <a href='507line.mu.html#L1'>draw-line</a> <a href='500fake-screen.mu.html#L14'>screen</a> <span class="Constant">0x180</span>/xs, <span class="Constant">0x150</span>/ys, <span class="Constant">0x210</span>/xf, <span class="Constant">0x1d0</span>/yf, <span class="Constant">0xa2</span>/color
 <span id="L133" class="LineNr"> 133 </span>  <span class="muComment"># cell outputs at corners</span>
@@ -243,9 +243,9 @@ if ('onhashchange' in window) {
 <span id="L184" class="LineNr"> 184 </span>    <span class="PreProc">var</span> three-f/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert three
 <span id="L185" class="LineNr"> 185 </span>    u <span class="Special">&lt;-</span> divide three-f
 <span id="L186" class="LineNr"> 186 </span>    <a href='hest-life.mu.html#L585'>draw-linear-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, u, <span class="Constant">0x180</span>/xs, <span class="Constant">0x150</span>/ys, <span class="Constant">0x210</span>/xf, <span class="Constant">0x1d0</span>/yf, <span class="Constant">7</span>/color, <span class="Constant">4</span>/radius
-<span id="L187" class="LineNr"> 187 </span>    <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x3a</span>/scol, <span class="Constant">0x18</span>/srow
+<span id="L187" class="LineNr"> 187 </span>    <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x3a</span>/scol, <span class="Constant">0x18</span>/srow
 <span id="L188" class="LineNr"> 188 </span>    <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='hest-life.mu.html#L950'>num-live-neighbors</a> self, <span class="Constant">0x80</span>/curx, <span class="Constant">0x60</span>/cury
-<span id="L189" class="LineNr"> 189 </span>    <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
+<span id="L189" class="LineNr"> 189 </span>    <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
 <span id="L190" class="LineNr"> 190 </span>    <span class="PreProc">return</span>
 <span id="L191" class="LineNr"> 191 </span>  <span class="Delimiter">}</span>
 <span id="L192" class="LineNr"> 192 </span>  <span class="muComment"># final 7 time steps for updating output</span>
@@ -361,17 +361,17 @@ if ('onhashchange' in window) {
 <span id="L302" class="LineNr"> 302 </span>  <a href='507line.mu.html#L86'>draw-rect</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2a0</span>/xfmin <span class="Constant">0x218</span>/yfmin, <span class="Constant">0x2b0</span>/xfmax <span class="Constant">0x228</span>/yfmax, <span class="Constant">0x31</span>/color
 <span id="L303" class="LineNr"> 303 </span>  <span class="muComment"># neighbor counts</span>
 <span id="L304" class="LineNr"> 304 </span>  <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='hest-life.mu.html#L950'>num-live-neighbors</a> self, <span class="Constant">0x80</span>/curx, <span class="Constant">0x60</span>/cury
-<span id="L305" class="LineNr"> 305 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>, <span class="Constant">0xe</span>
-<span id="L306" class="LineNr"> 306 </span>  <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
+<span id="L305" class="LineNr"> 305 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>, <span class="Constant">0xe</span>
+<span id="L306" class="LineNr"> 306 </span>  <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
 <span id="L307" class="LineNr"> 307 </span>  <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='hest-life.mu.html#L950'>num-live-neighbors</a> self, <span class="Constant">0x81</span>/curx, <span class="Constant">0x60</span>/cury
-<span id="L308" class="LineNr"> 308 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x52</span>, <span class="Constant">0xe</span>
-<span id="L309" class="LineNr"> 309 </span>  <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
+<span id="L308" class="LineNr"> 308 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x52</span>, <span class="Constant">0xe</span>
+<span id="L309" class="LineNr"> 309 </span>  <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
 <span id="L310" class="LineNr"> 310 </span>  <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='hest-life.mu.html#L950'>num-live-neighbors</a> self, <span class="Constant">0x80</span>/curx, <span class="Constant">0x61</span>/cury
-<span id="L311" class="LineNr"> 311 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>, <span class="Constant">0x20</span>
-<span id="L312" class="LineNr"> 312 </span>  <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
+<span id="L311" class="LineNr"> 311 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>, <span class="Constant">0x20</span>
+<span id="L312" class="LineNr"> 312 </span>  <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
 <span id="L313" class="LineNr"> 313 </span>  <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='hest-life.mu.html#L950'>num-live-neighbors</a> self, <span class="Constant">0x81</span>/curx, <span class="Constant">0x61</span>/cury
-<span id="L314" class="LineNr"> 314 </span>  <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x52</span>, <span class="Constant">0x20</span>
-<span id="L315" class="LineNr"> 315 </span>  <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
+<span id="L314" class="LineNr"> 314 </span>  <a href='500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x52</span>, <span class="Constant">0x20</span>
+<span id="L315" class="LineNr"> 315 </span>  <a href='501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, n, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
 <span id="L316" class="LineNr"> 316 </span>  <span class="muComment"># cell 0: conveyors from neighboring inputs to sum node</span>
 <span id="L317" class="LineNr"> 317 </span>  <a href='509bezier.mu.html#L14'>draw-monotonic-bezier</a> <a href='500fake-screen.mu.html#L14'>screen</a>,  <span class="Constant">0xc0</span>/x0  <span class="Constant">0x40</span>/y0,  <span class="Constant">0x100</span>/x1  <span class="Constant">0xd0</span>/ys, <span class="Constant">0x150</span>/xs  <span class="Constant">0xd0</span>/ys,  <span class="Constant">4</span>/color
 <span id="L318" class="LineNr"> 318 </span>  <a href='509bezier.mu.html#L14'>draw-monotonic-bezier</a> <a href='500fake-screen.mu.html#L14'>screen</a>,  <span class="Constant">0xc0</span>/x0  <span class="Constant">0xe8</span>/y0,   <span class="Constant">0xc0</span>/x1  <span class="Constant">0xd0</span>/ys, <span class="Constant">0x150</span>/xs  <span class="Constant">0xd0</span>/ys,  <span class="Constant">4</span>/color
diff --git a/html/mandelbrot-fixed.mu.html b/html/mandelbrot-fixed.mu.html
index 3f7a6acb..3e4b205e 100644
--- a/html/mandelbrot-fixed.mu.html
+++ b/html/mandelbrot-fixed.mu.html
@@ -209,7 +209,7 @@ if ('onhashchange' in window) {
 <span id="L150" class="LineNr">150 </span>        dummy, color <span class="Special">&lt;-</span> <a href='314divide.subx.html#L3'>integer-divide</a> iterations, <span class="Constant">0x18</span>/<span class="Constant">24</span>/size-of-cycle-0
 <span id="L151" class="LineNr">151 </span>        color <span class="Special">&lt;-</span> add <span class="Constant">0x20</span>/cycle-0
 <span id="L152" class="LineNr">152 </span>      <span class="Delimiter">}</span>
-<span id="L153" class="LineNr">153 </span>      <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L153" class="LineNr">153 </span>      <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L154" class="LineNr">154 </span>      x <span class="Special">&lt;-</span> increment
 <span id="L155" class="LineNr">155 </span>      <span class="PreProc">loop</span>
 <span id="L156" class="LineNr">156 </span>    <span class="Delimiter">}</span>
diff --git a/html/mandelbrot.mu.html b/html/mandelbrot.mu.html
index 6cc460b6..d4264d38 100644
--- a/html/mandelbrot.mu.html
+++ b/html/mandelbrot.mu.html
@@ -119,7 +119,7 @@ if ('onhashchange' in window) {
 <span id="L61" class="LineNr"> 61 </span>      <span class="PreProc">var</span> color/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L62" class="LineNr"> 62 </span>      iterations, color <span class="Special">&lt;-</span> <a href='314divide.subx.html#L3'>integer-divide</a> iterations, <span class="Constant">0x18</span>/<span class="Constant">24</span>/size-of-cycle-0
 <span id="L63" class="LineNr"> 63 </span>      color <span class="Special">&lt;-</span> add <span class="Constant">0x20</span>/cycle-0
-<span id="L64" class="LineNr"> 64 </span>      <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L64" class="LineNr"> 64 </span>      <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L65" class="LineNr"> 65 </span>      x <span class="Special">&lt;-</span> increment
 <span id="L66" class="LineNr"> 66 </span>      <span class="PreProc">loop</span>
 <span id="L67" class="LineNr"> 67 </span>    <span class="Delimiter">}</span>
diff --git a/html/mu-init.subx.html b/html/mu-init.subx.html
index e36e8a54..946275de 100644
--- a/html/mu-init.subx.html
+++ b/html/mu-init.subx.html
@@ -77,10 +77,10 @@ if ('onhashchange' in window) {
 <span id="L21" class="LineNr">21 </span>  {
 <span id="L22" class="LineNr">22 </span>    3d/compare-eax-and 0/imm32
 <span id="L23" class="LineNr">23 </span>    75/jump-if-!= <span class="Constant">break</span>/disp8
-<span id="L24" class="LineNr">24 </span>    (<a href='500fake-screen.mu.html#L364'>clear-real-screen</a>)
+<span id="L24" class="LineNr">24 </span>    (<a href='500fake-screen.mu.html#L365'>clear-real-screen</a>)
 <span id="L25" class="LineNr">25 </span>    c7 0/subop/copy *<span class="SpecialChar"><a href='103grapheme.subx.html#L170'>Real-screen-cursor-x</a></span> 0/imm32
 <span id="L26" class="LineNr">26 </span>    c7 0/subop/copy *<span class="SpecialChar"><a href='103grapheme.subx.html#L172'>Real-screen-cursor-y</a></span> 0/imm32
-<span id="L27" class="LineNr">27 </span>    (main 0 0 <span class="SpecialChar"><a href='boot.subx.html#L920'>Primary-bus-secondary-drive</a></span>)
+<span id="L27" class="LineNr">27 </span>    (main 0 0 <span class="SpecialChar"><a href='boot.subx.html#L934'>Primary-bus-secondary-drive</a></span>)
 <span id="L28" class="LineNr">28 </span>  }
 <span id="L29" class="LineNr">29 </span>
 <span id="L30" class="LineNr">30 </span>  <span class="subxComment"># hang indefinitely</span>
diff --git a/html/rpn.mu.html b/html/rpn.mu.html
index d6f10d20..5b521abc 100644
--- a/html/rpn.mu.html
+++ b/html/rpn.mu.html
@@ -85,7 +85,7 @@ if ('onhashchange' in window) {
 <span id="L27" class="LineNr"> 27 </span>    <span class="muComment"># read line from keyboard</span>
 <span id="L28" class="LineNr"> 28 </span>    <a href='106stream.subx.html#L20'>clear-stream</a> in
 <span id="L29" class="LineNr"> 29 </span>    <span class="Delimiter">{</span>
-<span id="L30" class="LineNr"> 30 </span>      <a href='500fake-screen.mu.html#L216'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, space
+<span id="L30" class="LineNr"> 30 </span>      <a href='500fake-screen.mu.html#L217'>draw-cursor</a> <a href='500fake-screen.mu.html#L14'>screen</a>, space
 <span id="L31" class="LineNr"> 31 </span>      <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='102keyboard.subx.html#L21'>read-key</a> keyboard
 <span id="L32" class="LineNr"> 32 </span>      compare key, <span class="Constant">0xa</span>/newline
 <span id="L33" class="LineNr"> 33 </span>      <span class="PreProc">break-if-=</span>
@@ -104,7 +104,7 @@ if ('onhashchange' in window) {
 <span id="L46" class="LineNr"> 46 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='rpn.mu.html#L62'>simplify</a> in
 <span id="L47" class="LineNr"> 47 </span>    <span class="muComment"># print</span>
 <span id="L48" class="LineNr"> 48 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L49" class="LineNr"> 49 </span>    out, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L319'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, out, <span class="Constant">0</span>/xmin, y, <span class="Constant">0x80</span>/xmax, <span class="Constant">0x30</span>/ymax, <span class="Constant">0</span>/x, y, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L49" class="LineNr"> 49 </span>    out, y <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L340'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L14'>screen</a>, out, <span class="Constant">0</span>/xmin, y, <span class="Constant">0x80</span>/xmax, <span class="Constant">0x30</span>/ymax, <span class="Constant">0</span>/x, y, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
 <span id="L50" class="LineNr"> 50 </span>    <span class="muComment"># newline</span>
 <span id="L51" class="LineNr"> 51 </span>    y <span class="Special">&lt;-</span> increment
 <span id="L52" class="LineNr"> 52 </span>    <span class="muComment">#</span>
diff --git a/html/shell/cell.mu.html b/html/shell/cell.mu.html
index 5386139c..56a79650 100644
--- a/html/shell/cell.mu.html
+++ b/html/shell/cell.mu.html
@@ -229,7 +229,7 @@ if ('onhashchange' in window) {
 <span id="L171" class="LineNr">171 </span>  <span class="Delimiter">}</span>
 <span id="L172" class="LineNr">172 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get self, screen-data
 <span id="L173" class="LineNr">173 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-ah
-<span id="L174" class="LineNr">174 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L174" class="LineNr">174 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
 <span id="L175" class="LineNr">175 </span><span class="Delimiter">}</span>
 <span id="L176" class="LineNr">176 </span>
 <span id="L177" class="LineNr">177 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='cell.mu.html#L177'>allocate-keyboard</a></span> _out: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
diff --git a/html/shell/evaluate.mu.html b/html/shell/evaluate.mu.html
index 4ea7e6a2..d4a7d4f6 100644
--- a/html/shell/evaluate.mu.html
+++ b/html/shell/evaluate.mu.html
@@ -78,1627 +78,1784 @@ if ('onhashchange' in window) {
 <span id="L17" class="LineNr">  17 </span>  <span class="Delimiter">}</span>
 <span id="L18" class="LineNr">  18 </span>  <span class="muComment"># errors? skip</span>
 <span id="L19" class="LineNr">  19 </span>  <span class="Delimiter">{</span>
-<span id="L20" class="LineNr">  20 </span>    compare trace, <span class="Constant">0</span>
-<span id="L21" class="LineNr">  21 </span>    <span class="PreProc">break-if-=</span>
-<span id="L22" class="LineNr">  22 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L23" class="LineNr">  23 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L24" class="LineNr">  24 </span>    <span class="PreProc">break-if-=</span>
-<span id="L25" class="LineNr">  25 </span>    <span class="PreProc">return</span>
-<span id="L26" class="LineNr">  26 </span>  <span class="Delimiter">}</span>
-<span id="L27" class="LineNr">  27 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
-<span id="L28" class="LineNr">  28 </span>  <span class="muComment"># show intermediate progress on screen if necessary</span>
-<span id="L29" class="LineNr">  29 </span>  <span class="Delimiter">{</span>
-<span id="L30" class="LineNr">  30 </span>    compare <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, <span class="Constant">0</span>
-<span id="L31" class="LineNr">  31 </span>    <span class="PreProc">break-if-=</span>
-<span id="L32" class="LineNr">  32 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy call-number
-<span id="L33" class="LineNr">  33 </span>    tmp <span class="Special">&lt;-</span> and <span class="Constant">0xf</span>  <span class="muComment"># every 16 calls to evaluate</span>
-<span id="L34" class="LineNr">  34 </span>    compare tmp, <span class="Constant">0</span>
-<span id="L35" class="LineNr">  35 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L36" class="LineNr">  36 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
-<span id="L37" class="LineNr">  37 </span>    <span class="PreProc">var</span> screen-cell-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-cell
-<span id="L38" class="LineNr">  38 </span>    compare screen-cell-addr, <span class="Constant">0</span>
-<span id="L39" class="LineNr">  39 </span>    <span class="PreProc">break-if-=</span>
-<span id="L40" class="LineNr">  40 </span>    <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-cell-addr, screen-data
-<span id="L41" class="LineNr">  41 </span>    <span class="PreProc">var</span> screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
-<span id="L42" class="LineNr">  42 </span>    compare screen-obj, <span class="Constant">0</span>
-<span id="L43" class="LineNr">  43 </span>    <span class="PreProc">break-if-=</span>
-<span id="L44" class="LineNr">  44 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L241'>render-screen</a> <span class="Constant">0</span>/screen, screen-obj, <span class="Constant">0x70</span>/xmin, <span class="Constant">1</span>/ymin
-<span id="L45" class="LineNr">  45 </span>  <span class="Delimiter">}</span>
-<span id="L46" class="LineNr">  46 </span><span class="CommentedCode">#?   dump-cell in-ah</span>
-<span id="L47" class="LineNr">  47 </span><span class="CommentedCode">#?   {</span>
-<span id="L48" class="LineNr">  48 </span><span class="CommentedCode">#?     var foo/eax: byte &lt;- read-key 0/keyboard</span>
-<span id="L49" class="LineNr">  49 </span><span class="CommentedCode">#?     compare foo, 0</span>
-<span id="L50" class="LineNr">  50 </span><span class="CommentedCode">#?     loop-if-=</span>
-<span id="L51" class="LineNr">  51 </span><span class="CommentedCode">#?   }</span>
-<span id="L52" class="Folded">  52 </span><span class="Folded">+-- 14 lines: # trace &quot;evaluate &quot; in &quot; in environment &quot; env -----------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L66" class="LineNr">  66 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L67" class="LineNr">  67 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
-<span id="L68" class="LineNr">  68 </span>  <span class="Delimiter">{</span>
-<span id="L69" class="LineNr">  69 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in
-<span id="L70" class="LineNr">  70 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">break-if-=</span>
-<span id="L72" class="LineNr">  72 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L73" class="LineNr">  73 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;nil&quot;</span>
-<span id="L74" class="LineNr">  74 </span>    copy-object _in-ah, _out-ah
-<span id="L75" class="LineNr">  75 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L76" class="LineNr">  76 </span>    <span class="PreProc">return</span>
-<span id="L77" class="LineNr">  77 </span>  <span class="Delimiter">}</span>
-<span id="L78" class="LineNr">  78 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L79" class="LineNr">  79 </span>  compare *in-type, <span class="Constant">1</span>/number
-<span id="L80" class="LineNr">  80 </span>  <span class="Delimiter">{</span>
-<span id="L81" class="LineNr">  81 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L82" class="LineNr">  82 </span>    <span class="muComment"># numbers are literals</span>
-<span id="L83" class="LineNr">  83 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;number&quot;</span>
-<span id="L84" class="LineNr">  84 </span>    copy-object _in-ah, _out-ah
-<span id="L85" class="LineNr">  85 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L86" class="LineNr">  86 </span>    <span class="PreProc">return</span>
-<span id="L87" class="LineNr">  87 </span>  <span class="Delimiter">}</span>
-<span id="L88" class="LineNr">  88 </span>  compare *in-type, <span class="Constant">3</span>/stream
-<span id="L89" class="LineNr">  89 </span>  <span class="Delimiter">{</span>
-<span id="L90" class="LineNr">  90 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L91" class="LineNr">  91 </span>    <span class="muComment"># streams are literals</span>
-<span id="L92" class="LineNr">  92 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
-<span id="L93" class="LineNr">  93 </span>    copy-object _in-ah, _out-ah
-<span id="L94" class="LineNr">  94 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L95" class="LineNr">  95 </span>    <span class="PreProc">return</span>
-<span id="L96" class="LineNr">  96 </span>  <span class="Delimiter">}</span>
-<span id="L97" class="LineNr">  97 </span>  compare *in-type, <span class="Constant">2</span>/symbol
-<span id="L98" class="LineNr">  98 </span>  <span class="Delimiter">{</span>
-<span id="L99" class="LineNr">  99 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L100" class="LineNr"> 100 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol&quot;</span>
-<span id="L101" class="LineNr"> 101 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;a&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L102" class="LineNr"> 102 </span>    <a href='evaluate.mu.html#L691'>lookup-symbol</a> in, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
-<span id="L103" class="LineNr"> 103 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;z&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L104" class="LineNr"> 104 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L105" class="LineNr"> 105 </span>    <span class="PreProc">return</span>
-<span id="L106" class="LineNr"> 106 </span>  <span class="Delimiter">}</span>
-<span id="L107" class="LineNr"> 107 </span>  compare *in-type, <span class="Constant">5</span>/screen
-<span id="L108" class="LineNr"> 108 </span>  <span class="Delimiter">{</span>
-<span id="L109" class="LineNr"> 109 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L110" class="LineNr"> 110 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;screen&quot;</span>
-<span id="L111" class="LineNr"> 111 </span>    copy-object _in-ah, _out-ah
-<span id="L112" class="LineNr"> 112 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L113" class="LineNr"> 113 </span>    <span class="PreProc">return</span>
-<span id="L114" class="LineNr"> 114 </span>  <span class="Delimiter">}</span>
-<span id="L115" class="LineNr"> 115 </span>  compare *in-type, <span class="Constant">6</span>/keyboard
-<span id="L116" class="LineNr"> 116 </span>  <span class="Delimiter">{</span>
-<span id="L117" class="LineNr"> 117 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L118" class="LineNr"> 118 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;keyboard&quot;</span>
-<span id="L119" class="LineNr"> 119 </span>    copy-object _in-ah, _out-ah
-<span id="L120" class="LineNr"> 120 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L121" class="LineNr"> 121 </span>    <span class="PreProc">return</span>
-<span id="L122" class="LineNr"> 122 </span>  <span class="Delimiter">}</span>
-<span id="L123" class="LineNr"> 123 </span>  <span class="muComment"># 'in' is a syntax tree</span>
-<span id="L124" class="LineNr"> 124 </span>  $evaluate:literal-function: <span class="Delimiter">{</span>
-<span id="L125" class="LineNr"> 125 </span>    <span class="muComment"># trees starting with &quot;litfn&quot; are literals</span>
-<span id="L126" class="LineNr"> 126 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L127" class="LineNr"> 127 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L128" class="LineNr"> 128 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L129" class="LineNr"> 129 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L130" class="LineNr"> 130 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1221'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1221'>litfn?</a> first
-<span id="L131" class="LineNr"> 131 </span>    compare <a href='evaluate.mu.html#L1221'>litfn?</a>, <span class="Constant">0</span>/false
-<span id="L132" class="LineNr"> 132 </span>    <span class="PreProc">break-if-=</span>
-<span id="L133" class="LineNr"> 133 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;literal function&quot;</span>
-<span id="L134" class="LineNr"> 134 </span>    copy-object _in-ah, _out-ah
-<span id="L135" class="LineNr"> 135 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L136" class="LineNr"> 136 </span>    <span class="PreProc">return</span>
-<span id="L137" class="LineNr"> 137 </span>  <span class="Delimiter">}</span>
-<span id="L138" class="LineNr"> 138 </span>  $evaluate:literal-macro: <span class="Delimiter">{</span>
-<span id="L139" class="LineNr"> 139 </span>    <span class="muComment"># trees starting with &quot;litmac&quot; are literals</span>
-<span id="L140" class="LineNr"> 140 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L141" class="LineNr"> 141 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L142" class="LineNr"> 142 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L143" class="LineNr"> 143 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L144" class="LineNr"> 144 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1235'>litmac?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1235'>litmac?</a> first
-<span id="L145" class="LineNr"> 145 </span>    compare <a href='evaluate.mu.html#L1235'>litmac?</a>, <span class="Constant">0</span>/false
-<span id="L146" class="LineNr"> 146 </span>    <span class="PreProc">break-if-=</span>
-<span id="L147" class="LineNr"> 147 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;literal macro&quot;</span>
-<span id="L148" class="LineNr"> 148 </span>    copy-object _in-ah, _out-ah
-<span id="L149" class="LineNr"> 149 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L150" class="LineNr"> 150 </span>    <span class="PreProc">return</span>
-<span id="L151" class="LineNr"> 151 </span>  <span class="Delimiter">}</span>
-<span id="L152" class="LineNr"> 152 </span>  $evaluate:anonymous-function: <span class="Delimiter">{</span>
-<span id="L153" class="LineNr"> 153 </span>    <span class="muComment"># trees starting with &quot;fn&quot; are anonymous functions</span>
-<span id="L154" class="LineNr"> 154 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L155" class="LineNr"> 155 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L156" class="LineNr"> 156 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L157" class="LineNr"> 157 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L158" class="LineNr"> 158 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1207'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1207'>fn?</a> first
-<span id="L159" class="LineNr"> 159 </span>    compare <a href='evaluate.mu.html#L1207'>fn?</a>, <span class="Constant">0</span>/false
-<span id="L160" class="LineNr"> 160 </span>    <span class="PreProc">break-if-=</span>
-<span id="L161" class="LineNr"> 161 </span>    <span class="muComment"># turn (fn ...) into (litfn env ...)</span>
-<span id="L162" class="LineNr"> 162 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;anonymous function&quot;</span>
-<span id="L163" class="LineNr"> 163 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L164" class="LineNr"> 164 </span>    <span class="PreProc">var</span> tmp: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L165" class="LineNr"> 165 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp
-<span id="L166" class="LineNr"> 166 </span>    <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, env-h, *rest-ah
-<span id="L167" class="LineNr"> 167 </span>    <span class="PreProc">var</span> litfn: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">var</span> litfn-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address litfn
-<span id="L169" class="LineNr"> 169 </span>    <a href='cell.mu.html#L39'>new-symbol</a> litfn-ah, <span class="Constant">&quot;litfn&quot;</span>
-<span id="L170" class="LineNr"> 170 </span>    <a href='cell.mu.html#L116'>new-pair</a> _out-ah, *litfn-ah, *tmp-ah
-<span id="L171" class="LineNr"> 171 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L172" class="LineNr"> 172 </span>    <span class="PreProc">return</span>
-<span id="L173" class="LineNr"> 173 </span>  <span class="Delimiter">}</span>
-<span id="L174" class="LineNr"> 174 </span>  <span class="muComment"># builtins with &quot;special&quot; evaluation rules</span>
-<span id="L175" class="LineNr"> 175 </span>  $evaluate:quote: <span class="Delimiter">{</span>
-<span id="L176" class="LineNr"> 176 </span>    <span class="muComment"># trees starting with single quote create literals</span>
-<span id="L177" class="LineNr"> 177 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L178" class="LineNr"> 178 </span>    <span class="muComment"># if its first elem is not &quot;'&quot;, break</span>
-<span id="L179" class="LineNr"> 179 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L180" class="LineNr"> 180 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L181" class="LineNr"> 181 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L182" class="LineNr"> 182 </span>    <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;'&quot;</span>
-<span id="L183" class="LineNr"> 183 </span>    compare quote?, <span class="Constant">0</span>/false
-<span id="L184" class="LineNr"> 184 </span>    <span class="PreProc">break-if-=</span>
-<span id="L185" class="LineNr"> 185 </span>    <span class="muComment">#</span>
-<span id="L186" class="LineNr"> 186 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;quote&quot;</span>
-<span id="L187" class="LineNr"> 187 </span>    copy-object rest-ah, _out-ah
-<span id="L188" class="LineNr"> 188 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L189" class="LineNr"> 189 </span>    <span class="PreProc">return</span>
-<span id="L190" class="LineNr"> 190 </span>  <span class="Delimiter">}</span>
-<span id="L191" class="LineNr"> 191 </span>  $evaluate:backquote: <span class="Delimiter">{</span>
-<span id="L192" class="LineNr"> 192 </span>    <span class="muComment"># trees starting with single backquote create literals</span>
-<span id="L193" class="LineNr"> 193 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L194" class="LineNr"> 194 </span>    <span class="muComment"># if its first elem is not &quot;'&quot;, break</span>
-<span id="L195" class="LineNr"> 195 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L196" class="LineNr"> 196 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L197" class="LineNr"> 197 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L198" class="LineNr"> 198 </span>    <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;`&quot;</span>
-<span id="L199" class="LineNr"> 199 </span>    compare backquote?, <span class="Constant">0</span>/false
-<span id="L200" class="LineNr"> 200 </span>    <span class="PreProc">break-if-=</span>
-<span id="L201" class="LineNr"> 201 </span>    <span class="muComment">#</span>
-<span id="L202" class="LineNr"> 202 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote&quot;</span>
-<span id="L203" class="LineNr"> 203 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`(&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L204" class="LineNr"> 204 </span>    <a href='evaluate.mu.html#L1416'>evaluate-backquote</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L205" class="LineNr"> 205 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;)&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L206" class="LineNr"> 206 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L207" class="LineNr"> 207 </span>    <span class="PreProc">return</span>
-<span id="L208" class="LineNr"> 208 </span>  <span class="Delimiter">}</span>
-<span id="L209" class="LineNr"> 209 </span>  $evaluate:def: <span class="Delimiter">{</span>
-<span id="L210" class="LineNr"> 210 </span>    <span class="muComment"># trees starting with &quot;def&quot; define globals</span>
-<span id="L211" class="LineNr"> 211 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L212" class="LineNr"> 212 </span>    <span class="muComment"># if its first elem is not &quot;def&quot;, break</span>
-<span id="L213" class="LineNr"> 213 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L214" class="LineNr"> 214 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L215" class="LineNr"> 215 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L216" class="LineNr"> 216 </span>    <span class="PreProc">var</span> def?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;def&quot;</span>
-<span id="L217" class="LineNr"> 217 </span>    compare def?, <span class="Constant">0</span>/false
-<span id="L218" class="LineNr"> 218 </span>    <span class="PreProc">break-if-=</span>
-<span id="L219" class="LineNr"> 219 </span>    <span class="muComment">#</span>
-<span id="L220" class="LineNr"> 220 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;def&quot;</span>
-<span id="L221" class="LineNr"> 221 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating second arg&quot;</span>
-<span id="L222" class="LineNr"> 222 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L223" class="LineNr"> 223 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L224" class="LineNr"> 224 </span>    <span class="Delimiter">{</span>
-<span id="L225" class="LineNr"> 225 </span>      <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
-<span id="L226" class="LineNr"> 226 </span>      <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get first-arg, <span class="PreProc">type</span>
-<span id="L227" class="LineNr"> 227 </span>      compare *first-arg-type, <span class="Constant">2</span>/symbol
-<span id="L228" class="LineNr"> 228 </span>      <span class="PreProc">break-if-=</span>
-<span id="L229" class="LineNr"> 229 </span>      <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg to def must be a symbol&quot;</span>
-<span id="L230" class="LineNr"> 230 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L231" class="LineNr"> 231 </span>      <span class="PreProc">return</span>
-<span id="L232" class="LineNr"> 232 </span>    <span class="Delimiter">}</span>
-<span id="L233" class="LineNr"> 233 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L234" class="LineNr"> 234 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L235" class="LineNr"> 235 </span>    <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L236" class="LineNr"> 236 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;P&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L237" class="LineNr"> 237 </span>    increment call-number
-<span id="L238" class="LineNr"> 238 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L239" class="LineNr"> 239 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Q&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L240" class="LineNr"> 240 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;saving <a href='global.mu.html#L1'>global</a> binding&quot;</span>
-<span id="L241" class="LineNr"> 241 </span>    <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
-<span id="L242" class="LineNr"> 242 </span>    <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first-arg, text-data
-<span id="L243" class="LineNr"> 243 </span>    <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-data-ah
-<span id="L244" class="LineNr"> 244 </span>    <span class="PreProc">var</span> tmp-string: (handle array byte)
-<span id="L245" class="LineNr"> 245 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special">&lt;-</span> address tmp-string
-<span id="L246" class="LineNr"> 246 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> first-arg-data
-<span id="L247" class="LineNr"> 247 </span>    <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> first-arg-data, tmp-ah
-<span id="L248" class="LineNr"> 248 </span>    <span class="PreProc">var</span> first-arg-data-string/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L249" class="LineNr"> 249 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
-<span id="L250" class="LineNr"> 250 </span>    <a href='global.mu.html#L326'>assign-or-create-global</a> globals, first-arg-data-string, *out-ah, trace
-<span id="L251" class="LineNr"> 251 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L252" class="LineNr"> 252 </span>    <span class="PreProc">return</span>
-<span id="L253" class="LineNr"> 253 </span>  <span class="Delimiter">}</span>
-<span id="L254" class="LineNr"> 254 </span>  $evaluate:set: <span class="Delimiter">{</span>
-<span id="L255" class="LineNr"> 255 </span>    <span class="muComment"># trees starting with &quot;set&quot; mutate bindings</span>
-<span id="L256" class="LineNr"> 256 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L257" class="LineNr"> 257 </span>    <span class="muComment"># if its first elem is not &quot;set&quot;, break</span>
-<span id="L258" class="LineNr"> 258 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L259" class="LineNr"> 259 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L260" class="LineNr"> 260 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L261" class="LineNr"> 261 </span>    <span class="PreProc">var</span> set?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;set&quot;</span>
-<span id="L262" class="LineNr"> 262 </span>    compare set?, <span class="Constant">0</span>/false
-<span id="L263" class="LineNr"> 263 </span>    <span class="PreProc">break-if-=</span>
-<span id="L264" class="LineNr"> 264 </span>    <span class="muComment">#</span>
-<span id="L265" class="LineNr"> 265 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;set&quot;</span>
-<span id="L266" class="LineNr"> 266 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating second arg&quot;</span>
-<span id="L267" class="LineNr"> 267 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L268" class="LineNr"> 268 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L269" class="LineNr"> 269 </span>    <span class="Delimiter">{</span>
-<span id="L270" class="LineNr"> 270 </span>      <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
-<span id="L271" class="LineNr"> 271 </span>      <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get first-arg, <span class="PreProc">type</span>
-<span id="L272" class="LineNr"> 272 </span>      compare *first-arg-type, <span class="Constant">2</span>/symbol
-<span id="L273" class="LineNr"> 273 </span>      <span class="PreProc">break-if-=</span>
-<span id="L274" class="LineNr"> 274 </span>      <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg to set must be a symbol&quot;</span>
-<span id="L275" class="LineNr"> 275 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L276" class="LineNr"> 276 </span>      <span class="PreProc">return</span>
-<span id="L277" class="LineNr"> 277 </span>    <span class="Delimiter">}</span>
-<span id="L278" class="LineNr"> 278 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L279" class="LineNr"> 279 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L281" class="LineNr"> 281 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;P&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L282" class="LineNr"> 282 </span>    increment call-number
-<span id="L283" class="LineNr"> 283 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L284" class="LineNr"> 284 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Q&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L285" class="LineNr"> 285 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;mutating binding&quot;</span>
-<span id="L286" class="LineNr"> 286 </span>    <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
-<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first-arg, text-data
-<span id="L288" class="LineNr"> 288 </span>    <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-data-ah
-<span id="L289" class="LineNr"> 289 </span>    <a href='evaluate.mu.html#L875'>mutate-binding</a> first-arg-data, _out-ah, env-h, globals, trace
-<span id="L290" class="LineNr"> 290 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L291" class="LineNr"> 291 </span>    <span class="PreProc">return</span>
-<span id="L292" class="LineNr"> 292 </span>  <span class="Delimiter">}</span>
-<span id="L293" class="LineNr"> 293 </span>  $evaluate:and: <span class="Delimiter">{</span>
-<span id="L294" class="LineNr"> 294 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L295" class="LineNr"> 295 </span>    <span class="muComment"># if its first elem is not &quot;and&quot;, break</span>
-<span id="L296" class="LineNr"> 296 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L297" class="LineNr"> 297 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L298" class="LineNr"> 298 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L299" class="LineNr"> 299 </span>    <span class="PreProc">var</span> and?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;and&quot;</span>
-<span id="L300" class="LineNr"> 300 </span>    compare and?, <span class="Constant">0</span>/false
-<span id="L301" class="LineNr"> 301 </span>    <span class="PreProc">break-if-=</span>
-<span id="L302" class="LineNr"> 302 </span>    <span class="muComment">#</span>
-<span id="L303" class="LineNr"> 303 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;and&quot;</span>
-<span id="L304" class="LineNr"> 304 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
-<span id="L305" class="LineNr"> 305 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L306" class="LineNr"> 306 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L307" class="LineNr"> 307 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L308" class="LineNr"> 308 </span>    increment call-number
-<span id="L309" class="LineNr"> 309 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L310" class="LineNr"> 310 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L311" class="LineNr"> 311 </span>    <span class="muComment"># if first arg is nil, short-circuit</span>
-<span id="L312" class="LineNr"> 312 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
-<span id="L313" class="LineNr"> 313 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
-<span id="L314" class="LineNr"> 314 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> out
-<span id="L315" class="LineNr"> 315 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L316" class="LineNr"> 316 </span>    <span class="Delimiter">{</span>
-<span id="L317" class="LineNr"> 317 </span>      <span class="PreProc">break-if-=</span>
-<span id="L318" class="LineNr"> 318 </span>      <span class="PreProc">return</span>
-<span id="L319" class="LineNr"> 319 </span>    <span class="Delimiter">}</span>
-<span id="L320" class="LineNr"> 320 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L321" class="LineNr"> 321 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L322" class="LineNr"> 322 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L323" class="LineNr"> 323 </span>    <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L324" class="LineNr"> 324 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L325" class="LineNr"> 325 </span>    increment call-number
-<span id="L326" class="LineNr"> 326 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L327" class="LineNr"> 327 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L328" class="LineNr"> 328 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L329" class="LineNr"> 329 </span>    <span class="PreProc">return</span>
-<span id="L330" class="LineNr"> 330 </span>  <span class="Delimiter">}</span>
-<span id="L331" class="LineNr"> 331 </span>  $evaluate:or: <span class="Delimiter">{</span>
-<span id="L332" class="LineNr"> 332 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L333" class="LineNr"> 333 </span>    <span class="muComment"># if its first elem is not &quot;or&quot;, break</span>
-<span id="L334" class="LineNr"> 334 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L335" class="LineNr"> 335 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L336" class="LineNr"> 336 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L337" class="LineNr"> 337 </span>    <span class="PreProc">var</span> or?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;or&quot;</span>
-<span id="L338" class="LineNr"> 338 </span>    compare or?, <span class="Constant">0</span>/false
-<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">break-if-=</span>
-<span id="L340" class="LineNr"> 340 </span>    <span class="muComment">#</span>
-<span id="L341" class="LineNr"> 341 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;or&quot;</span>
-<span id="L342" class="LineNr"> 342 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
-<span id="L343" class="LineNr"> 343 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L344" class="LineNr"> 344 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L345" class="LineNr"> 345 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L346" class="LineNr"> 346 </span>    increment call-number
-<span id="L347" class="LineNr"> 347 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L348" class="LineNr"> 348 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L349" class="LineNr"> 349 </span>    <span class="muComment"># if first arg is not nil, short-circuit</span>
-<span id="L350" class="LineNr"> 350 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
-<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
-<span id="L352" class="LineNr"> 352 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> out
-<span id="L353" class="LineNr"> 353 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L354" class="LineNr"> 354 </span>    <span class="Delimiter">{</span>
-<span id="L355" class="LineNr"> 355 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L356" class="LineNr"> 356 </span>      <span class="PreProc">return</span>
-<span id="L357" class="LineNr"> 357 </span>    <span class="Delimiter">}</span>
-<span id="L358" class="LineNr"> 358 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L359" class="LineNr"> 359 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L360" class="LineNr"> 360 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L361" class="LineNr"> 361 </span>    <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L362" class="LineNr"> 362 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L363" class="LineNr"> 363 </span>    increment call-number
-<span id="L364" class="LineNr"> 364 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L365" class="LineNr"> 365 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L366" class="LineNr"> 366 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">return</span>
-<span id="L368" class="LineNr"> 368 </span>  <span class="Delimiter">}</span>
-<span id="L369" class="LineNr"> 369 </span>  $evaluate:if: <span class="Delimiter">{</span>
-<span id="L370" class="LineNr"> 370 </span>    <span class="muComment"># trees starting with &quot;if&quot; are conditionals</span>
-<span id="L371" class="LineNr"> 371 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L372" class="LineNr"> 372 </span>    <span class="muComment"># if its first elem is not &quot;if&quot;, break</span>
-<span id="L373" class="LineNr"> 373 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L374" class="LineNr"> 374 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L375" class="LineNr"> 375 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L376" class="LineNr"> 376 </span>    <span class="PreProc">var</span> if?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;if&quot;</span>
-<span id="L377" class="LineNr"> 377 </span>    compare if?, <span class="Constant">0</span>/false
-<span id="L378" class="LineNr"> 378 </span>    <span class="PreProc">break-if-=</span>
-<span id="L379" class="LineNr"> 379 </span>    <span class="muComment">#</span>
-<span id="L380" class="LineNr"> 380 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;if&quot;</span>
-<span id="L381" class="LineNr"> 381 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
-<span id="L382" class="LineNr"> 382 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L383" class="LineNr"> 383 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L384" class="LineNr"> 384 </span>    <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L385" class="LineNr"> 385 </span>    <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address guard-h
-<span id="L386" class="LineNr"> 386 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L387" class="LineNr"> 387 </span>    increment call-number
-<span id="L388" class="LineNr"> 388 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L389" class="LineNr"> 389 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L390" class="LineNr"> 390 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L391" class="LineNr"> 391 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L392" class="LineNr"> 392 </span>    <span class="PreProc">var</span> branch-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L393" class="LineNr"> 393 </span>    <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *guard-ah
-<span id="L394" class="LineNr"> 394 </span>    <span class="PreProc">var</span> skip-to-third-arg?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> guard-a
-<span id="L395" class="LineNr"> 395 </span>    compare skip-to-third-arg?, <span class="Constant">0</span>/false
-<span id="L396" class="LineNr"> 396 </span>    <span class="Delimiter">{</span>
-<span id="L397" class="LineNr"> 397 </span>      <span class="PreProc">break-if-=</span>
-<span id="L398" class="LineNr"> 398 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;skipping to third arg&quot;</span>
-<span id="L399" class="LineNr"> 399 </span>      <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L400" class="LineNr"> 400 </span>      rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L401" class="LineNr"> 401 </span>      rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L402" class="LineNr"> 402 </span>      branch-ah <span class="Special">&lt;-</span> get rest, left
-<span id="L403" class="LineNr"> 403 </span>    <span class="Delimiter">}</span>
-<span id="L404" class="LineNr"> 404 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L405" class="LineNr"> 405 </span>    increment call-number
-<span id="L406" class="LineNr"> 406 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> branch-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L407" class="LineNr"> 407 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L408" class="LineNr"> 408 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L409" class="LineNr"> 409 </span>    <span class="PreProc">return</span>
-<span id="L410" class="LineNr"> 410 </span>  <span class="Delimiter">}</span>
-<span id="L411" class="LineNr"> 411 </span>  $evaluate:while: <span class="Delimiter">{</span>
-<span id="L412" class="LineNr"> 412 </span>    <span class="muComment"># trees starting with &quot;while&quot; are loops</span>
-<span id="L413" class="LineNr"> 413 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L414" class="LineNr"> 414 </span>    <span class="muComment"># if its first elem is not &quot;while&quot;, break</span>
-<span id="L415" class="LineNr"> 415 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L416" class="LineNr"> 416 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L417" class="LineNr"> 417 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L418" class="LineNr"> 418 </span>    <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get first, <span class="PreProc">type</span>
-<span id="L419" class="LineNr"> 419 </span>    compare *first-type, <span class="Constant">2</span>/symbol
-<span id="L420" class="LineNr"> 420 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L421" class="LineNr"> 421 </span>    <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first, text-data
-<span id="L422" class="LineNr"> 422 </span>    <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sym-data-ah
-<span id="L423" class="LineNr"> 423 </span>    <span class="PreProc">var</span> while?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">&quot;while&quot;</span>
-<span id="L424" class="LineNr"> 424 </span>    compare while?, <span class="Constant">0</span>/false
-<span id="L425" class="LineNr"> 425 </span>    <span class="PreProc">break-if-=</span>
-<span id="L426" class="LineNr"> 426 </span>    <span class="muComment">#</span>
-<span id="L427" class="LineNr"> 427 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;while&quot;</span>
-<span id="L428" class="LineNr"> 428 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L429" class="LineNr"> 429 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L430" class="LineNr"> 430 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L431" class="LineNr"> 431 </span>    <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L432" class="LineNr"> 432 </span>    <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address guard-h
-<span id="L433" class="LineNr"> 433 </span>    $evaluate:while:loop-execution: <span class="Delimiter">{</span>
-<span id="L434" class="LineNr"> 434 </span>      <span class="Delimiter">{</span>
-<span id="L435" class="LineNr"> 435 </span>        compare trace, <span class="Constant">0</span>
-<span id="L436" class="LineNr"> 436 </span>        <span class="PreProc">break-if-=</span>
-<span id="L437" class="LineNr"> 437 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L438" class="LineNr"> 438 </span>        compare error?, <span class="Constant">0</span>/false
-<span id="L439" class="LineNr"> 439 </span>        <span class="PreProc">break-if-!=</span> $evaluate:while:loop-execution
-<span id="L440" class="LineNr"> 440 </span>      <span class="Delimiter">}</span>
-<span id="L441" class="LineNr"> 441 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;loop termination check&quot;</span>
-<span id="L442" class="LineNr"> 442 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;V&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L443" class="LineNr"> 443 </span>      increment call-number
-<span id="L444" class="LineNr"> 444 </span>      <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L445" class="LineNr"> 445 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;W&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L446" class="LineNr"> 446 </span>      <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *guard-ah
-<span id="L447" class="LineNr"> 447 </span>      <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> guard-a
-<span id="L448" class="LineNr"> 448 </span>      compare done?, <span class="Constant">0</span>/false
-<span id="L449" class="LineNr"> 449 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L450" class="LineNr"> 450 </span>      <a href='evaluate.mu.html#L579'>evaluate-exprs</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L451" class="LineNr"> 451 </span>      <span class="PreProc">loop</span>
-<span id="L452" class="LineNr"> 452 </span>    <span class="Delimiter">}</span>
-<span id="L453" class="LineNr"> 453 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;loop terminated&quot;</span>
-<span id="L454" class="LineNr"> 454 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L455" class="LineNr"> 455 </span>    <span class="PreProc">return</span>
-<span id="L456" class="LineNr"> 456 </span>  <span class="Delimiter">}</span>
-<span id="L457" class="LineNr"> 457 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;function call&quot;</span>
-<span id="L458" class="LineNr"> 458 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating list elements&quot;</span>
-<span id="L459" class="LineNr"> 459 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L460" class="LineNr"> 460 </span>  <span class="PreProc">var</span> evaluated-list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L461" class="LineNr"> 461 </span>  <span class="PreProc">var</span> evaluated-list-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address evaluated-list-storage
-<span id="L462" class="LineNr"> 462 </span>  <span class="PreProc">var</span> curr-out-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy evaluated-list-ah
-<span id="L463" class="LineNr"> 463 </span>  <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
-<span id="L464" class="LineNr"> 464 </span>  $evaluate-list:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L465" class="LineNr"> 465 </span>    <a href='cell.mu.html#L102'>allocate-pair</a> curr-out-ah
-<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> curr
-<span id="L467" class="LineNr"> 467 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L469" class="LineNr"> 469 </span>    <span class="muComment"># eval left</span>
-<span id="L470" class="LineNr"> 470 </span>    <span class="PreProc">var</span> curr-out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-out-ah
-<span id="L471" class="LineNr"> 471 </span>    <span class="PreProc">var</span> left-out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-out, left
-<span id="L472" class="LineNr"> 472 </span>    <span class="PreProc">var</span> left-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
-<span id="L473" class="LineNr"> 473 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;A&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L474" class="LineNr"> 474 </span>    increment call-number
-<span id="L475" class="LineNr"> 475 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> left-ah, left-out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L476" class="LineNr"> 476 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;B&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L477" class="LineNr"> 477 </span>    <span class="muComment"># a trip wire in case we're running without a trace (e.g. when loading the initial state from disk)</span>
-<span id="L478" class="LineNr"> 478 </span>    <span class="Delimiter">{</span>
-<span id="L479" class="LineNr"> 479 </span>      compare trace, <span class="Constant">0</span>
-<span id="L480" class="LineNr"> 480 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L481" class="LineNr"> 481 </span>      <span class="PreProc">var</span> left-out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *left-out-ah
-<span id="L482" class="LineNr"> 482 </span>      compare left-out, <span class="Constant">0</span>
-<span id="L483" class="LineNr"> 483 </span>      <span class="Delimiter">{</span>
-<span id="L484" class="LineNr"> 484 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L485" class="LineNr"> 485 </span>        <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;there was some <a href='trace.mu.html#L129'>error</a> (likely in syntax): eval-list&quot;</span>
-<span id="L486" class="LineNr"> 486 </span>      <span class="Delimiter">}</span>
-<span id="L487" class="LineNr"> 487 </span>    <span class="Delimiter">}</span>
-<span id="L488" class="LineNr"> 488 </span>    <span class="muComment">#</span>
-<span id="L489" class="LineNr"> 489 </span>    curr-out-ah <span class="Special">&lt;-</span> get curr-out, right
-<span id="L490" class="LineNr"> 490 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
-<span id="L491" class="LineNr"> 491 </span>    <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right-ah
-<span id="L492" class="LineNr"> 492 </span>    curr <span class="Special">&lt;-</span> copy right
-<span id="L493" class="LineNr"> 493 </span>    <span class="PreProc">loop</span>
-<span id="L494" class="LineNr"> 494 </span>  <span class="Delimiter">}</span>
-<span id="L495" class="LineNr"> 495 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L496" class="LineNr"> 496 </span>  <span class="PreProc">var</span> evaluated-list/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *evaluated-list-ah
-<span id="L497" class="LineNr"> 497 </span>  <span class="PreProc">var</span> function-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, left
-<span id="L498" class="LineNr"> 498 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, right
-<span id="L499" class="LineNr"> 499 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;C&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L500" class="LineNr"> 500 </span>  <a href='evaluate.mu.html#L517'>apply</a> function-ah, args-ah, _out-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L501" class="LineNr"> 501 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Y&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L502" class="LineNr"> 502 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L503" class="Folded"> 503 </span><span class="Folded">+-- 11 lines: # trace &quot;=&gt; &quot; _out-ah -----------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L514" class="LineNr"> 514 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Z&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L515" class="LineNr"> 515 </span><span class="Delimiter">}</span>
-<span id="L516" class="LineNr"> 516 </span>
-<span id="L517" class="LineNr"> 517 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L517'>apply</a></span> _f-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
-<span id="L518" class="LineNr"> 518 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f-ah
-<span id="L519" class="LineNr"> 519 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *f-ah
-<span id="L520" class="LineNr"> 520 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f
-<span id="L521" class="LineNr"> 521 </span>  <span class="muComment"># call primitive functions</span>
-<span id="L522" class="LineNr"> 522 </span>  <span class="Delimiter">{</span>
-<span id="L523" class="LineNr"> 523 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
-<span id="L524" class="LineNr"> 524 </span>    compare *f-type, <span class="Constant">4</span>/primitive-function
-<span id="L525" class="LineNr"> 525 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L526" class="LineNr"> 526 </span>    <a href='global.mu.html#L513'>apply-primitive</a> f, args-ah, out, globals, trace
-<span id="L527" class="LineNr"> 527 </span>    <span class="PreProc">return</span>
-<span id="L528" class="LineNr"> 528 </span>  <span class="Delimiter">}</span>
-<span id="L529" class="LineNr"> 529 </span>  <span class="muComment"># if it's not a primitive function it must be an anonymous function</span>
-<span id="L530" class="Folded"> 530 </span><span class="Folded">+-- 14 lines: # trace &quot;apply anonymous function &quot; f &quot; in environment &quot; env --------------------------------------------------------------------------------------------------------------</span>
-<span id="L544" class="LineNr"> 544 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L545" class="LineNr"> 545 </span>  <span class="Delimiter">{</span>
-<span id="L546" class="LineNr"> 546 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
-<span id="L547" class="LineNr"> 547 </span>    compare *f-type, <span class="Constant">0</span>/pair
-<span id="L548" class="LineNr"> 548 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L549" class="LineNr"> 549 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, left
-<span id="L550" class="LineNr"> 550 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L551" class="LineNr"> 551 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1221'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1221'>litfn?</a> first
-<span id="L552" class="LineNr"> 552 </span>    compare <a href='evaluate.mu.html#L1221'>litfn?</a>, <span class="Constant">0</span>/false
-<span id="L553" class="LineNr"> 553 </span>    <span class="PreProc">break-if-=</span>
-<span id="L554" class="LineNr"> 554 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, right
-<span id="L555" class="LineNr"> 555 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L556" class="LineNr"> 556 </span>    <span class="PreProc">var</span> callee-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L557" class="LineNr"> 557 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L558" class="LineNr"> 558 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L559" class="LineNr"> 559 </span>    <span class="PreProc">var</span> params-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L560" class="LineNr"> 560 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L561" class="LineNr"> 561 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;D&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L562" class="LineNr"> 562 </span>    <a href='evaluate.mu.html#L570'>apply-function</a> params-ah, args-ah, body-ah, out, *callee-env-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L563" class="LineNr"> 563 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Y&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L564" class="LineNr"> 564 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L565" class="LineNr"> 565 </span>    <span class="PreProc">return</span>
-<span id="L566" class="LineNr"> 566 </span>  <span class="Delimiter">}</span>
-<span id="L567" class="LineNr"> 567 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;unknown function&quot;</span>
-<span id="L568" class="LineNr"> 568 </span><span class="Delimiter">}</span>
-<span id="L569" class="LineNr"> 569 </span>
-<span id="L570" class="LineNr"> 570 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L570'>apply-function</a></span> params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), body-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
-<span id="L571" class="LineNr"> 571 </span>  <span class="muComment"># push bindings for params to env</span>
-<span id="L572" class="LineNr"> 572 </span>  <span class="PreProc">var</span> new-env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L573" class="LineNr"> 573 </span>  <span class="PreProc">var</span> new-env-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-env-h
-<span id="L574" class="LineNr"> 574 </span>  <a href='evaluate.mu.html#L616'>push-bindings</a> params-ah, args-ah, env-h, new-env-ah, trace
-<span id="L575" class="LineNr"> 575 </span>  <span class="muComment">#</span>
-<span id="L576" class="LineNr"> 576 </span>  <a href='evaluate.mu.html#L579'>evaluate-exprs</a> body-ah, out, new-env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L577" class="LineNr"> 577 </span><span class="Delimiter">}</span>
-<span id="L578" class="LineNr"> 578 </span>
-<span id="L579" class="LineNr"> 579 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L579'>evaluate-exprs</a></span> _exprs-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
-<span id="L580" class="LineNr"> 580 </span>  <span class="muComment"># eval all exprs, writing result to `out` each time</span>
-<span id="L581" class="LineNr"> 581 </span>  <span class="PreProc">var</span> exprs-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _exprs-ah
-<span id="L582" class="LineNr"> 582 </span>  $evaluate-exprs:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L583" class="LineNr"> 583 </span>    <span class="PreProc">var</span> exprs/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *exprs-ah
-<span id="L584" class="LineNr"> 584 </span>    <span class="muComment"># stop when exprs is nil</span>
-<span id="L585" class="LineNr"> 585 </span>    <span class="Delimiter">{</span>
-<span id="L586" class="LineNr"> 586 </span>      <span class="PreProc">var</span> exprs-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> exprs
-<span id="L587" class="LineNr"> 587 </span>      compare exprs-nil?, <span class="Constant">0</span>/false
-<span id="L588" class="LineNr"> 588 </span>      <span class="PreProc">break-if-!=</span> $evaluate-exprs:<span class="PreProc">loop</span>
-<span id="L589" class="LineNr"> 589 </span>    <span class="Delimiter">}</span>
-<span id="L590" class="LineNr"> 590 </span>    <span class="muComment"># evaluate each expression, writing result to `out`</span>
-<span id="L591" class="LineNr"> 591 </span>    <span class="Delimiter">{</span>
-<span id="L592" class="LineNr"> 592 </span>      <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get exprs, left
-<span id="L593" class="LineNr"> 593 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;E&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L594" class="LineNr"> 594 </span>      increment call-number
-<span id="L595" class="LineNr"> 595 </span>      <a href='evaluate.mu.html#L5'>evaluate</a> curr-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L596" class="LineNr"> 596 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;X&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L597" class="LineNr"> 597 </span>    <span class="Delimiter">}</span>
-<span id="L598" class="LineNr"> 598 </span>    <span class="muComment">#</span>
-<span id="L599" class="LineNr"> 599 </span>    exprs-ah <span class="Special">&lt;-</span> get exprs, right
-<span id="L600" class="LineNr"> 600 </span>    <span class="PreProc">loop</span>
-<span id="L601" class="LineNr"> 601 </span>  <span class="Delimiter">}</span>
-<span id="L602" class="LineNr"> 602 </span>  <span class="muComment"># `out` contains result of evaluating final expression</span>
-<span id="L603" class="LineNr"> 603 </span><span class="Delimiter">}</span>
-<span id="L604" class="LineNr"> 604 </span>
-<span id="L605" class="LineNr"> 605 </span><span class="muComment"># Bind params to corresponding args and add the bindings to old-env. Return</span>
-<span id="L606" class="LineNr"> 606 </span><span class="muComment"># the result in env-ah.</span>
-<span id="L607" class="LineNr"> 607 </span><span class="muComment">#</span>
-<span id="L608" class="LineNr"> 608 </span><span class="muComment"># We never modify old-env, but we point to it. This way other parts of the</span>
-<span id="L609" class="LineNr"> 609 </span><span class="muComment"># interpreter can continue using old-env, and everything works harmoniously</span>
-<span id="L610" class="LineNr"> 610 </span><span class="muComment"># even though no cells are copied around.</span>
-<span id="L611" class="LineNr"> 611 </span><span class="muComment">#</span>
-<span id="L612" class="LineNr"> 612 </span><span class="muComment"># env should always be a DAG (ignoring internals of values). It doesn't have</span>
-<span id="L613" class="LineNr"> 613 </span><span class="muComment"># to be a tree (some values may be shared), but there are also no cycles.</span>
-<span id="L614" class="LineNr"> 614 </span><span class="muComment">#</span>
-<span id="L615" class="LineNr"> 615 </span><span class="muComment"># Learn more: <a href="https://en.wikipedia.org/wiki/Persistent_data_structure">https://en.wikipedia.org/wiki/Persistent_data_structure</a></span>
-<span id="L616" class="LineNr"> 616 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L616'>push-bindings</a></span> _params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), old-env-h: (handle <a href='cell.mu.html#L1'>cell</a>), env-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L617" class="LineNr"> 617 </span>  <span class="PreProc">var</span> params-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params-ah
-<span id="L618" class="LineNr"> 618 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
-<span id="L619" class="LineNr"> 619 </span>  <span class="PreProc">var</span> _params/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *params-ah
-<span id="L620" class="LineNr"> 620 </span>  <span class="PreProc">var</span> params/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params
-<span id="L621" class="LineNr"> 621 </span>  <span class="Delimiter">{</span>
-<span id="L622" class="LineNr"> 622 </span>    <span class="PreProc">var</span> params-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> params
-<span id="L623" class="LineNr"> 623 </span>    compare params-nil?, <span class="Constant">0</span>/false
-<span id="L624" class="LineNr"> 624 </span>    <span class="PreProc">break-if-=</span>
-<span id="L625" class="LineNr"> 625 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L626" class="LineNr"> 626 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;done with push-bindings&quot;</span>
-<span id="L627" class="LineNr"> 627 </span>    <a href='../120allocate.subx.html#L479'>copy-handle</a> old-env-h, env-ah
-<span id="L628" class="LineNr"> 628 </span>    <span class="PreProc">return</span>
-<span id="L629" class="LineNr"> 629 </span>  <span class="Delimiter">}</span>
-<span id="L630" class="LineNr"> 630 </span>  <span class="muComment"># Params can only be symbols or pairs. Args can be anything.</span>
-<span id="L631" class="Folded"> 631 </span><span class="Folded">+-- 16 lines: # trace &quot;pushing bindings from &quot; params &quot; to &quot; args -----------------------------------------------------------------------------------------------------------------------</span>
-<span id="L647" class="LineNr"> 647 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L648" class="LineNr"> 648 </span>  <span class="PreProc">var</span> params-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get params, <span class="PreProc">type</span>
-<span id="L649" class="LineNr"> 649 </span>  compare *params-type, <span class="Constant">2</span>/symbol
+<span id="L20" class="LineNr">  20 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L21" class="LineNr">  21 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L22" class="LineNr">  22 </span>    <span class="PreProc">break-if-=</span>
+<span id="L23" class="LineNr">  23 </span>    <span class="PreProc">return</span>
+<span id="L24" class="LineNr">  24 </span>  <span class="Delimiter">}</span>
+<span id="L25" class="LineNr">  25 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L26" class="LineNr">  26 </span>  <span class="muComment"># show intermediate progress on screen if necessary</span>
+<span id="L27" class="LineNr">  27 </span>  <span class="Delimiter">{</span>
+<span id="L28" class="LineNr">  28 </span>    compare <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, <span class="Constant">0</span>
+<span id="L29" class="LineNr">  29 </span>    <span class="PreProc">break-if-=</span>
+<span id="L30" class="LineNr">  30 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy call-number
+<span id="L31" class="LineNr">  31 </span>    tmp <span class="Special">&lt;-</span> and <span class="Constant">0xf</span>  <span class="muComment"># every 16 calls to evaluate</span>
+<span id="L32" class="LineNr">  32 </span>    compare tmp, <span class="Constant">0</span>
+<span id="L33" class="LineNr">  33 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L34" class="LineNr">  34 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
+<span id="L35" class="LineNr">  35 </span>    <span class="PreProc">var</span> screen-cell-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-cell
+<span id="L36" class="LineNr">  36 </span>    compare screen-cell-addr, <span class="Constant">0</span>
+<span id="L37" class="LineNr">  37 </span>    <span class="PreProc">break-if-=</span>
+<span id="L38" class="LineNr">  38 </span>    <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-cell-addr, screen-data
+<span id="L39" class="LineNr">  39 </span>    <span class="PreProc">var</span> screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
+<span id="L40" class="LineNr">  40 </span>    compare screen-obj, <span class="Constant">0</span>
+<span id="L41" class="LineNr">  41 </span>    <span class="PreProc">break-if-=</span>
+<span id="L42" class="LineNr">  42 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L243'>render-screen</a> <span class="Constant">0</span>/screen, screen-obj, <span class="Constant">0x70</span>/xmin, <span class="Constant">1</span>/ymin
+<span id="L43" class="LineNr">  43 </span>  <span class="Delimiter">}</span>
+<span id="L44" class="LineNr">  44 </span><span class="CommentedCode">#?   dump-cell in-ah</span>
+<span id="L45" class="LineNr">  45 </span><span class="CommentedCode">#?   {</span>
+<span id="L46" class="LineNr">  46 </span><span class="CommentedCode">#?     var foo/eax: byte &lt;- read-key 0/keyboard</span>
+<span id="L47" class="LineNr">  47 </span><span class="CommentedCode">#?     compare foo, 0</span>
+<span id="L48" class="LineNr">  48 </span><span class="CommentedCode">#?     loop-if-=</span>
+<span id="L49" class="LineNr">  49 </span><span class="CommentedCode">#?   }</span>
+<span id="L50" class="Folded">  50 </span><span class="Folded">+-- 19 lines: # trace &quot;evaluate &quot; in &quot; in environment &quot; env -----------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L69" class="LineNr">  69 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L70" class="LineNr">  70 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L71" class="LineNr">  71 </span>  <span class="Delimiter">{</span>
+<span id="L72" class="LineNr">  72 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in
+<span id="L73" class="LineNr">  73 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L74" class="LineNr">  74 </span>    <span class="PreProc">break-if-=</span>
+<span id="L75" class="LineNr">  75 </span>    <span class="muComment"># nil is a literal</span>
+<span id="L76" class="LineNr">  76 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;nil&quot;</span>
+<span id="L77" class="LineNr">  77 </span>    copy-object _in-ah, _out-ah
+<span id="L78" class="LineNr">  78 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L79" class="LineNr">  79 </span>    <span class="PreProc">return</span>
+<span id="L80" class="LineNr">  80 </span>  <span class="Delimiter">}</span>
+<span id="L81" class="LineNr">  81 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L82" class="LineNr">  82 </span>  compare *in-type, <span class="Constant">1</span>/number
+<span id="L83" class="LineNr">  83 </span>  <span class="Delimiter">{</span>
+<span id="L84" class="LineNr">  84 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L85" class="LineNr">  85 </span>    <span class="muComment"># numbers are literals</span>
+<span id="L86" class="LineNr">  86 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;number&quot;</span>
+<span id="L87" class="LineNr">  87 </span>    copy-object _in-ah, _out-ah
+<span id="L88" class="LineNr">  88 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L89" class="LineNr">  89 </span>    <span class="PreProc">return</span>
+<span id="L90" class="LineNr">  90 </span>  <span class="Delimiter">}</span>
+<span id="L91" class="LineNr">  91 </span>  compare *in-type, <span class="Constant">3</span>/stream
+<span id="L92" class="LineNr">  92 </span>  <span class="Delimiter">{</span>
+<span id="L93" class="LineNr">  93 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L94" class="LineNr">  94 </span>    <span class="muComment"># streams are literals</span>
+<span id="L95" class="LineNr">  95 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
+<span id="L96" class="LineNr">  96 </span>    copy-object _in-ah, _out-ah
+<span id="L97" class="LineNr">  97 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L98" class="LineNr">  98 </span>    <span class="PreProc">return</span>
+<span id="L99" class="LineNr">  99 </span>  <span class="Delimiter">}</span>
+<span id="L100" class="LineNr"> 100 </span>  compare *in-type, <span class="Constant">2</span>/symbol
+<span id="L101" class="LineNr"> 101 </span>  <span class="Delimiter">{</span>
+<span id="L102" class="LineNr"> 102 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L103" class="LineNr"> 103 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol&quot;</span>
+<span id="L104" class="LineNr"> 104 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;a&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L105" class="LineNr"> 105 </span>    <a href='evaluate.mu.html#L800'>lookup-symbol</a> in, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
+<span id="L106" class="LineNr"> 106 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;z&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L107" class="LineNr"> 107 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L108" class="LineNr"> 108 </span>    <span class="PreProc">return</span>
+<span id="L109" class="LineNr"> 109 </span>  <span class="Delimiter">}</span>
+<span id="L110" class="LineNr"> 110 </span>  compare *in-type, <span class="Constant">5</span>/screen
+<span id="L111" class="LineNr"> 111 </span>  <span class="Delimiter">{</span>
+<span id="L112" class="LineNr"> 112 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L113" class="LineNr"> 113 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;screen&quot;</span>
+<span id="L114" class="LineNr"> 114 </span>    copy-object _in-ah, _out-ah
+<span id="L115" class="LineNr"> 115 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L116" class="LineNr"> 116 </span>    <span class="PreProc">return</span>
+<span id="L117" class="LineNr"> 117 </span>  <span class="Delimiter">}</span>
+<span id="L118" class="LineNr"> 118 </span>  compare *in-type, <span class="Constant">6</span>/keyboard
+<span id="L119" class="LineNr"> 119 </span>  <span class="Delimiter">{</span>
+<span id="L120" class="LineNr"> 120 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L121" class="LineNr"> 121 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;keyboard&quot;</span>
+<span id="L122" class="LineNr"> 122 </span>    copy-object _in-ah, _out-ah
+<span id="L123" class="LineNr"> 123 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L124" class="LineNr"> 124 </span>    <span class="PreProc">return</span>
+<span id="L125" class="LineNr"> 125 </span>  <span class="Delimiter">}</span>
+<span id="L126" class="LineNr"> 126 </span>  <span class="muComment"># 'in' is a syntax tree</span>
+<span id="L127" class="LineNr"> 127 </span>  $evaluate:literal-function: <span class="Delimiter">{</span>
+<span id="L128" class="LineNr"> 128 </span>    <span class="muComment"># trees starting with &quot;litfn&quot; are literals</span>
+<span id="L129" class="LineNr"> 129 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L130" class="LineNr"> 130 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L131" class="LineNr"> 131 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L132" class="LineNr"> 132 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L133" class="LineNr"> 133 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1370'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1370'>litfn?</a> first
+<span id="L134" class="LineNr"> 134 </span>    compare <a href='evaluate.mu.html#L1370'>litfn?</a>, <span class="Constant">0</span>/false
+<span id="L135" class="LineNr"> 135 </span>    <span class="PreProc">break-if-=</span>
+<span id="L136" class="LineNr"> 136 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;literal function&quot;</span>
+<span id="L137" class="LineNr"> 137 </span>    copy-object _in-ah, _out-ah
+<span id="L138" class="LineNr"> 138 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L139" class="LineNr"> 139 </span>    <span class="PreProc">return</span>
+<span id="L140" class="LineNr"> 140 </span>  <span class="Delimiter">}</span>
+<span id="L141" class="LineNr"> 141 </span>  $evaluate:literal-macro: <span class="Delimiter">{</span>
+<span id="L142" class="LineNr"> 142 </span>    <span class="muComment"># trees starting with &quot;litmac&quot; are literals</span>
+<span id="L143" class="LineNr"> 143 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L144" class="LineNr"> 144 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L145" class="LineNr"> 145 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L146" class="LineNr"> 146 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L147" class="LineNr"> 147 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1384'>litmac?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1384'>litmac?</a> first
+<span id="L148" class="LineNr"> 148 </span>    compare <a href='evaluate.mu.html#L1384'>litmac?</a>, <span class="Constant">0</span>/false
+<span id="L149" class="LineNr"> 149 </span>    <span class="PreProc">break-if-=</span>
+<span id="L150" class="LineNr"> 150 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;literal macro&quot;</span>
+<span id="L151" class="LineNr"> 151 </span>    copy-object _in-ah, _out-ah
+<span id="L152" class="LineNr"> 152 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L153" class="LineNr"> 153 </span>    <span class="PreProc">return</span>
+<span id="L154" class="LineNr"> 154 </span>  <span class="Delimiter">}</span>
+<span id="L155" class="LineNr"> 155 </span>  $evaluate:anonymous-function: <span class="Delimiter">{</span>
+<span id="L156" class="LineNr"> 156 </span>    <span class="muComment"># trees starting with &quot;fn&quot; are anonymous functions</span>
+<span id="L157" class="LineNr"> 157 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L158" class="LineNr"> 158 </span>    <span class="PreProc">var</span> in/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L159" class="LineNr"> 159 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L160" class="LineNr"> 160 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L161" class="LineNr"> 161 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1356'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1356'>fn?</a> first
+<span id="L162" class="LineNr"> 162 </span>    compare <a href='evaluate.mu.html#L1356'>fn?</a>, <span class="Constant">0</span>/false
+<span id="L163" class="LineNr"> 163 </span>    <span class="PreProc">break-if-=</span>
+<span id="L164" class="LineNr"> 164 </span>    <span class="muComment"># turn (fn ...) into (litfn env ...)</span>
+<span id="L165" class="LineNr"> 165 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;anonymous function&quot;</span>
+<span id="L166" class="LineNr"> 166 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L167" class="LineNr"> 167 </span>    <span class="PreProc">var</span> tmp: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp
+<span id="L169" class="LineNr"> 169 </span>    <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, env-h, *rest-ah
+<span id="L170" class="LineNr"> 170 </span>    <span class="PreProc">var</span> litfn: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L171" class="LineNr"> 171 </span>    <span class="PreProc">var</span> litfn-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address litfn
+<span id="L172" class="LineNr"> 172 </span>    <a href='cell.mu.html#L39'>new-symbol</a> litfn-ah, <span class="Constant">&quot;litfn&quot;</span>
+<span id="L173" class="LineNr"> 173 </span>    <a href='cell.mu.html#L116'>new-pair</a> _out-ah, *litfn-ah, *tmp-ah
+<span id="L174" class="LineNr"> 174 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L175" class="LineNr"> 175 </span>    <span class="PreProc">return</span>
+<span id="L176" class="LineNr"> 176 </span>  <span class="Delimiter">}</span>
+<span id="L177" class="LineNr"> 177 </span>  <span class="muComment"># builtins with &quot;special&quot; evaluation rules</span>
+<span id="L178" class="LineNr"> 178 </span>  $evaluate:quote: <span class="Delimiter">{</span>
+<span id="L179" class="LineNr"> 179 </span>    <span class="muComment"># trees starting with single quote create literals</span>
+<span id="L180" class="LineNr"> 180 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L181" class="LineNr"> 181 </span>    <span class="muComment"># if its first elem is not &quot;'&quot;, break</span>
+<span id="L182" class="LineNr"> 182 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L183" class="LineNr"> 183 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L184" class="LineNr"> 184 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L185" class="LineNr"> 185 </span>    <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;'&quot;</span>
+<span id="L186" class="LineNr"> 186 </span>    compare quote?, <span class="Constant">0</span>/false
+<span id="L187" class="LineNr"> 187 </span>    <span class="PreProc">break-if-=</span>
+<span id="L188" class="LineNr"> 188 </span>    <span class="muComment">#</span>
+<span id="L189" class="LineNr"> 189 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;quote&quot;</span>
+<span id="L190" class="LineNr"> 190 </span>    copy-object rest-ah, _out-ah
+<span id="L191" class="LineNr"> 191 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L192" class="LineNr"> 192 </span>    <span class="PreProc">return</span>
+<span id="L193" class="LineNr"> 193 </span>  <span class="Delimiter">}</span>
+<span id="L194" class="LineNr"> 194 </span>  $evaluate:backquote: <span class="Delimiter">{</span>
+<span id="L195" class="LineNr"> 195 </span>    <span class="muComment"># trees starting with single backquote create literals</span>
+<span id="L196" class="LineNr"> 196 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L197" class="LineNr"> 197 </span>    <span class="muComment"># if its first elem is not &quot;'&quot;, break</span>
+<span id="L198" class="LineNr"> 198 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L199" class="LineNr"> 199 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L200" class="LineNr"> 200 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L201" class="LineNr"> 201 </span>    <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;`&quot;</span>
+<span id="L202" class="LineNr"> 202 </span>    compare backquote?, <span class="Constant">0</span>/false
+<span id="L203" class="LineNr"> 203 </span>    <span class="PreProc">break-if-=</span>
+<span id="L204" class="LineNr"> 204 </span>    <span class="muComment">#</span>
+<span id="L205" class="LineNr"> 205 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote&quot;</span>
+<span id="L206" class="LineNr"> 206 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`(&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L207" class="LineNr"> 207 </span>    <a href='evaluate.mu.html#L1580'>evaluate-backquote</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L208" class="LineNr"> 208 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;)&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L209" class="LineNr"> 209 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L210" class="LineNr"> 210 </span>    <span class="PreProc">return</span>
+<span id="L211" class="LineNr"> 211 </span>  <span class="Delimiter">}</span>
+<span id="L212" class="LineNr"> 212 </span>  $evaluate:def: <span class="Delimiter">{</span>
+<span id="L213" class="LineNr"> 213 </span>    <span class="muComment"># trees starting with &quot;def&quot; define globals</span>
+<span id="L214" class="LineNr"> 214 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L215" class="LineNr"> 215 </span>    <span class="muComment"># if its first elem is not &quot;def&quot;, break</span>
+<span id="L216" class="LineNr"> 216 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L217" class="LineNr"> 217 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L218" class="LineNr"> 218 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L219" class="LineNr"> 219 </span>    <span class="PreProc">var</span> def?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;def&quot;</span>
+<span id="L220" class="LineNr"> 220 </span>    compare def?, <span class="Constant">0</span>/false
+<span id="L221" class="LineNr"> 221 </span>    <span class="PreProc">break-if-=</span>
+<span id="L222" class="LineNr"> 222 </span>    <span class="muComment">#</span>
+<span id="L223" class="LineNr"> 223 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;def&quot;</span>
+<span id="L224" class="LineNr"> 224 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating second arg&quot;</span>
+<span id="L225" class="LineNr"> 225 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L226" class="LineNr"> 226 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L227" class="LineNr"> 227 </span>    <span class="Delimiter">{</span>
+<span id="L228" class="LineNr"> 228 </span>      <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
+<span id="L229" class="LineNr"> 229 </span>      <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get first-arg, <span class="PreProc">type</span>
+<span id="L230" class="LineNr"> 230 </span>      compare *first-arg-type, <span class="Constant">2</span>/symbol
+<span id="L231" class="LineNr"> 231 </span>      <span class="PreProc">break-if-=</span>
+<span id="L232" class="LineNr"> 232 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg to def must be a symbol&quot;</span>
+<span id="L233" class="LineNr"> 233 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L234" class="LineNr"> 234 </span>      <span class="PreProc">return</span>
+<span id="L235" class="LineNr"> 235 </span>    <span class="Delimiter">}</span>
+<span id="L236" class="LineNr"> 236 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L237" class="LineNr"> 237 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L238" class="LineNr"> 238 </span>    <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L239" class="LineNr"> 239 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;P&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L240" class="LineNr"> 240 </span>    increment call-number
+<span id="L241" class="LineNr"> 241 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L242" class="LineNr"> 242 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Q&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L243" class="LineNr"> 243 </span>    <span class="muComment"># errors? skip</span>
+<span id="L244" class="LineNr"> 244 </span>    <span class="Delimiter">{</span>
+<span id="L245" class="LineNr"> 245 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L246" class="LineNr"> 246 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L247" class="LineNr"> 247 </span>      <span class="PreProc">break-if-=</span>
+<span id="L248" class="LineNr"> 248 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L249" class="LineNr"> 249 </span>      <span class="PreProc">return</span>
+<span id="L250" class="LineNr"> 250 </span>    <span class="Delimiter">}</span>
+<span id="L251" class="LineNr"> 251 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;saving <a href='global.mu.html#L1'>global</a> binding&quot;</span>
+<span id="L252" class="LineNr"> 252 </span>    <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
+<span id="L253" class="LineNr"> 253 </span>    <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first-arg, text-data
+<span id="L254" class="LineNr"> 254 </span>    <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-data-ah
+<span id="L255" class="LineNr"> 255 </span>    <span class="PreProc">var</span> tmp-string: (handle array byte)
+<span id="L256" class="LineNr"> 256 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special">&lt;-</span> address tmp-string
+<span id="L257" class="LineNr"> 257 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> first-arg-data
+<span id="L258" class="LineNr"> 258 </span>    <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> first-arg-data, tmp-ah
+<span id="L259" class="LineNr"> 259 </span>    <span class="PreProc">var</span> first-arg-data-string/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L260" class="LineNr"> 260 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
+<span id="L261" class="LineNr"> 261 </span>    <a href='global.mu.html#L326'>assign-or-create-global</a> globals, first-arg-data-string, *out-ah, trace
+<span id="L262" class="LineNr"> 262 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L263" class="LineNr"> 263 </span>    <span class="PreProc">return</span>
+<span id="L264" class="LineNr"> 264 </span>  <span class="Delimiter">}</span>
+<span id="L265" class="LineNr"> 265 </span>  $evaluate:set: <span class="Delimiter">{</span>
+<span id="L266" class="LineNr"> 266 </span>    <span class="muComment"># trees starting with &quot;set&quot; mutate bindings</span>
+<span id="L267" class="LineNr"> 267 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L268" class="LineNr"> 268 </span>    <span class="muComment"># if its first elem is not &quot;set&quot;, break</span>
+<span id="L269" class="LineNr"> 269 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L270" class="LineNr"> 270 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L271" class="LineNr"> 271 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L272" class="LineNr"> 272 </span>    <span class="PreProc">var</span> set?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;set&quot;</span>
+<span id="L273" class="LineNr"> 273 </span>    compare set?, <span class="Constant">0</span>/false
+<span id="L274" class="LineNr"> 274 </span>    <span class="PreProc">break-if-=</span>
+<span id="L275" class="LineNr"> 275 </span>    <span class="muComment">#</span>
+<span id="L276" class="LineNr"> 276 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;set&quot;</span>
+<span id="L277" class="LineNr"> 277 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating second arg&quot;</span>
+<span id="L278" class="LineNr"> 278 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L279" class="LineNr"> 279 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L280" class="LineNr"> 280 </span>    <span class="Delimiter">{</span>
+<span id="L281" class="LineNr"> 281 </span>      <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
+<span id="L282" class="LineNr"> 282 </span>      <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get first-arg, <span class="PreProc">type</span>
+<span id="L283" class="LineNr"> 283 </span>      compare *first-arg-type, <span class="Constant">2</span>/symbol
+<span id="L284" class="LineNr"> 284 </span>      <span class="PreProc">break-if-=</span>
+<span id="L285" class="LineNr"> 285 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg to set must be a symbol&quot;</span>
+<span id="L286" class="LineNr"> 286 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L287" class="LineNr"> 287 </span>      <span class="PreProc">return</span>
+<span id="L288" class="LineNr"> 288 </span>    <span class="Delimiter">}</span>
+<span id="L289" class="LineNr"> 289 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L290" class="LineNr"> 290 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L291" class="LineNr"> 291 </span>    <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L292" class="LineNr"> 292 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;P&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L293" class="LineNr"> 293 </span>    increment call-number
+<span id="L294" class="LineNr"> 294 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L295" class="LineNr"> 295 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Q&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L296" class="LineNr"> 296 </span>    <span class="muComment"># errors? skip</span>
+<span id="L297" class="LineNr"> 297 </span>    <span class="Delimiter">{</span>
+<span id="L298" class="LineNr"> 298 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L299" class="LineNr"> 299 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L300" class="LineNr"> 300 </span>      <span class="PreProc">break-if-=</span>
+<span id="L301" class="LineNr"> 301 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">return</span>
+<span id="L303" class="LineNr"> 303 </span>    <span class="Delimiter">}</span>
+<span id="L304" class="LineNr"> 304 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;mutating binding&quot;</span>
+<span id="L305" class="LineNr"> 305 </span>    <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-ah
+<span id="L306" class="LineNr"> 306 </span>    <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first-arg, text-data
+<span id="L307" class="LineNr"> 307 </span>    <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-arg-data-ah
+<span id="L308" class="LineNr"> 308 </span>    <a href='evaluate.mu.html#L1012'>mutate-binding</a> first-arg-data, _out-ah, env-h, globals, trace
+<span id="L309" class="LineNr"> 309 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L310" class="LineNr"> 310 </span>    <span class="PreProc">return</span>
+<span id="L311" class="LineNr"> 311 </span>  <span class="Delimiter">}</span>
+<span id="L312" class="LineNr"> 312 </span>  $evaluate:and: <span class="Delimiter">{</span>
+<span id="L313" class="LineNr"> 313 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L314" class="LineNr"> 314 </span>    <span class="muComment"># if its first elem is not &quot;and&quot;, break</span>
+<span id="L315" class="LineNr"> 315 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L316" class="LineNr"> 316 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L317" class="LineNr"> 317 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L318" class="LineNr"> 318 </span>    <span class="PreProc">var</span> and?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;and&quot;</span>
+<span id="L319" class="LineNr"> 319 </span>    compare and?, <span class="Constant">0</span>/false
+<span id="L320" class="LineNr"> 320 </span>    <span class="PreProc">break-if-=</span>
+<span id="L321" class="LineNr"> 321 </span>    <span class="muComment">#</span>
+<span id="L322" class="LineNr"> 322 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;and&quot;</span>
+<span id="L323" class="LineNr"> 323 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
+<span id="L324" class="LineNr"> 324 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L325" class="LineNr"> 325 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L326" class="LineNr"> 326 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L327" class="LineNr"> 327 </span>    increment call-number
+<span id="L328" class="LineNr"> 328 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L329" class="LineNr"> 329 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L330" class="LineNr"> 330 </span>    <span class="muComment"># errors? skip</span>
+<span id="L331" class="LineNr"> 331 </span>    <span class="Delimiter">{</span>
+<span id="L332" class="LineNr"> 332 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L333" class="LineNr"> 333 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L334" class="LineNr"> 334 </span>      <span class="PreProc">break-if-=</span>
+<span id="L335" class="LineNr"> 335 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L336" class="LineNr"> 336 </span>      <span class="PreProc">return</span>
+<span id="L337" class="LineNr"> 337 </span>    <span class="Delimiter">}</span>
+<span id="L338" class="LineNr"> 338 </span>    <span class="muComment"># if first arg is nil, short-circuit</span>
+<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
+<span id="L340" class="LineNr"> 340 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
+<span id="L341" class="LineNr"> 341 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> out
+<span id="L342" class="LineNr"> 342 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L343" class="LineNr"> 343 </span>    <span class="Delimiter">{</span>
+<span id="L344" class="LineNr"> 344 </span>      <span class="PreProc">break-if-=</span>
+<span id="L345" class="LineNr"> 345 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L346" class="LineNr"> 346 </span>      <span class="PreProc">return</span>
+<span id="L347" class="LineNr"> 347 </span>    <span class="Delimiter">}</span>
+<span id="L348" class="LineNr"> 348 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L349" class="LineNr"> 349 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L350" class="LineNr"> 350 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L352" class="LineNr"> 352 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L353" class="LineNr"> 353 </span>    increment call-number
+<span id="L354" class="LineNr"> 354 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L355" class="LineNr"> 355 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L356" class="LineNr"> 356 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">return</span>
+<span id="L358" class="LineNr"> 358 </span>  <span class="Delimiter">}</span>
+<span id="L359" class="LineNr"> 359 </span>  $evaluate:or: <span class="Delimiter">{</span>
+<span id="L360" class="LineNr"> 360 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L361" class="LineNr"> 361 </span>    <span class="muComment"># if its first elem is not &quot;or&quot;, break</span>
+<span id="L362" class="LineNr"> 362 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L363" class="LineNr"> 363 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L364" class="LineNr"> 364 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L365" class="LineNr"> 365 </span>    <span class="PreProc">var</span> or?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;or&quot;</span>
+<span id="L366" class="LineNr"> 366 </span>    compare or?, <span class="Constant">0</span>/false
+<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">break-if-=</span>
+<span id="L368" class="LineNr"> 368 </span>    <span class="muComment">#</span>
+<span id="L369" class="LineNr"> 369 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;or&quot;</span>
+<span id="L370" class="LineNr"> 370 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
+<span id="L371" class="LineNr"> 371 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L372" class="LineNr"> 372 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L373" class="LineNr"> 373 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L374" class="LineNr"> 374 </span>    increment call-number
+<span id="L375" class="LineNr"> 375 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L376" class="LineNr"> 376 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L377" class="LineNr"> 377 </span>    <span class="muComment"># errors? skip</span>
+<span id="L378" class="LineNr"> 378 </span>    <span class="Delimiter">{</span>
+<span id="L379" class="LineNr"> 379 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L380" class="LineNr"> 380 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L381" class="LineNr"> 381 </span>      <span class="PreProc">break-if-=</span>
+<span id="L382" class="LineNr"> 382 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L383" class="LineNr"> 383 </span>      <span class="PreProc">return</span>
+<span id="L384" class="LineNr"> 384 </span>    <span class="Delimiter">}</span>
+<span id="L385" class="LineNr"> 385 </span>    <span class="muComment"># if first arg is not nil, short-circuit</span>
+<span id="L386" class="LineNr"> 386 </span>    <span class="PreProc">var</span> out-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
+<span id="L387" class="LineNr"> 387 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
+<span id="L388" class="LineNr"> 388 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> out
+<span id="L389" class="LineNr"> 389 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L390" class="LineNr"> 390 </span>    <span class="Delimiter">{</span>
+<span id="L391" class="LineNr"> 391 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L392" class="LineNr"> 392 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L393" class="LineNr"> 393 </span>      <span class="PreProc">return</span>
+<span id="L394" class="LineNr"> 394 </span>    <span class="Delimiter">}</span>
+<span id="L395" class="LineNr"> 395 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L396" class="LineNr"> 396 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L397" class="LineNr"> 397 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L398" class="LineNr"> 398 </span>    <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L399" class="LineNr"> 399 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L400" class="LineNr"> 400 </span>    increment call-number
+<span id="L401" class="LineNr"> 401 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> second-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L402" class="LineNr"> 402 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U2&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L403" class="LineNr"> 403 </span>    <span class="muComment"># errors? skip</span>
+<span id="L404" class="LineNr"> 404 </span>    <span class="Delimiter">{</span>
+<span id="L405" class="LineNr"> 405 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L406" class="LineNr"> 406 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L407" class="LineNr"> 407 </span>      <span class="PreProc">break-if-=</span>
+<span id="L408" class="LineNr"> 408 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L409" class="LineNr"> 409 </span>      <span class="PreProc">return</span>
+<span id="L410" class="LineNr"> 410 </span>    <span class="Delimiter">}</span>
+<span id="L411" class="LineNr"> 411 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L412" class="LineNr"> 412 </span>    <span class="PreProc">return</span>
+<span id="L413" class="LineNr"> 413 </span>  <span class="Delimiter">}</span>
+<span id="L414" class="LineNr"> 414 </span>  $evaluate:if: <span class="Delimiter">{</span>
+<span id="L415" class="LineNr"> 415 </span>    <span class="muComment"># trees starting with &quot;if&quot; are conditionals</span>
+<span id="L416" class="LineNr"> 416 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L417" class="LineNr"> 417 </span>    <span class="muComment"># if its first elem is not &quot;if&quot;, break</span>
+<span id="L418" class="LineNr"> 418 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L419" class="LineNr"> 419 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L420" class="LineNr"> 420 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L421" class="LineNr"> 421 </span>    <span class="PreProc">var</span> if?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;if&quot;</span>
+<span id="L422" class="LineNr"> 422 </span>    compare if?, <span class="Constant">0</span>/false
+<span id="L423" class="LineNr"> 423 </span>    <span class="PreProc">break-if-=</span>
+<span id="L424" class="LineNr"> 424 </span>    <span class="muComment">#</span>
+<span id="L425" class="LineNr"> 425 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;if&quot;</span>
+<span id="L426" class="LineNr"> 426 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating first arg&quot;</span>
+<span id="L427" class="LineNr"> 427 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L428" class="LineNr"> 428 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L429" class="LineNr"> 429 </span>    <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L430" class="LineNr"> 430 </span>    <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address guard-h
+<span id="L431" class="LineNr"> 431 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;R&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L432" class="LineNr"> 432 </span>    increment call-number
+<span id="L433" class="LineNr"> 433 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L434" class="LineNr"> 434 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;S&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L435" class="LineNr"> 435 </span>    <span class="muComment"># errors? skip</span>
+<span id="L436" class="LineNr"> 436 </span>    <span class="Delimiter">{</span>
+<span id="L437" class="LineNr"> 437 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L438" class="LineNr"> 438 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L439" class="LineNr"> 439 </span>      <span class="PreProc">break-if-=</span>
+<span id="L440" class="LineNr"> 440 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L441" class="LineNr"> 441 </span>      <span class="PreProc">return</span>
+<span id="L442" class="LineNr"> 442 </span>    <span class="Delimiter">}</span>
+<span id="L443" class="LineNr"> 443 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L444" class="LineNr"> 444 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L445" class="LineNr"> 445 </span>    <span class="PreProc">var</span> branch-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L446" class="LineNr"> 446 </span>    <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *guard-ah
+<span id="L447" class="LineNr"> 447 </span>    <span class="PreProc">var</span> skip-to-third-arg?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> guard-a
+<span id="L448" class="LineNr"> 448 </span>    compare skip-to-third-arg?, <span class="Constant">0</span>/false
+<span id="L449" class="LineNr"> 449 </span>    <span class="Delimiter">{</span>
+<span id="L450" class="LineNr"> 450 </span>      <span class="PreProc">break-if-=</span>
+<span id="L451" class="LineNr"> 451 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;skipping to third arg&quot;</span>
+<span id="L452" class="LineNr"> 452 </span>      <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L453" class="LineNr"> 453 </span>      rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L454" class="LineNr"> 454 </span>      rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L455" class="LineNr"> 455 </span>      branch-ah <span class="Special">&lt;-</span> get rest, left
+<span id="L456" class="LineNr"> 456 </span>    <span class="Delimiter">}</span>
+<span id="L457" class="LineNr"> 457 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;T&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L458" class="LineNr"> 458 </span>    increment call-number
+<span id="L459" class="LineNr"> 459 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> branch-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L460" class="LineNr"> 460 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;U&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L461" class="LineNr"> 461 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L462" class="LineNr"> 462 </span>    <span class="PreProc">return</span>
+<span id="L463" class="LineNr"> 463 </span>  <span class="Delimiter">}</span>
+<span id="L464" class="LineNr"> 464 </span>  $evaluate:while: <span class="Delimiter">{</span>
+<span id="L465" class="LineNr"> 465 </span>    <span class="muComment"># trees starting with &quot;while&quot; are loops</span>
+<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L467" class="LineNr"> 467 </span>    <span class="muComment"># if its first elem is not &quot;while&quot;, break</span>
+<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L469" class="LineNr"> 469 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L470" class="LineNr"> 470 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L471" class="LineNr"> 471 </span>    <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get first, <span class="PreProc">type</span>
+<span id="L472" class="LineNr"> 472 </span>    compare *first-type, <span class="Constant">2</span>/symbol
+<span id="L473" class="LineNr"> 473 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L474" class="LineNr"> 474 </span>    <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first, text-data
+<span id="L475" class="LineNr"> 475 </span>    <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sym-data-ah
+<span id="L476" class="LineNr"> 476 </span>    <span class="PreProc">var</span> while?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">&quot;while&quot;</span>
+<span id="L477" class="LineNr"> 477 </span>    compare while?, <span class="Constant">0</span>/false
+<span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">break-if-=</span>
+<span id="L479" class="LineNr"> 479 </span>    <span class="muComment">#</span>
+<span id="L480" class="LineNr"> 480 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;while&quot;</span>
+<span id="L481" class="LineNr"> 481 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L482" class="LineNr"> 482 </span>    <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L483" class="LineNr"> 483 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L484" class="LineNr"> 484 </span>    <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L485" class="LineNr"> 485 </span>    <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address guard-h
+<span id="L486" class="LineNr"> 486 </span>    $evaluate:while:loop-execution: <span class="Delimiter">{</span>
+<span id="L487" class="LineNr"> 487 </span>      <span class="Delimiter">{</span>
+<span id="L488" class="LineNr"> 488 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L489" class="LineNr"> 489 </span>        compare error?, <span class="Constant">0</span>/false
+<span id="L490" class="LineNr"> 490 </span>        <span class="PreProc">break-if-!=</span> $evaluate:while:loop-execution
+<span id="L491" class="LineNr"> 491 </span>      <span class="Delimiter">}</span>
+<span id="L492" class="LineNr"> 492 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;loop termination check&quot;</span>
+<span id="L493" class="LineNr"> 493 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;V&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L494" class="LineNr"> 494 </span>      increment call-number
+<span id="L495" class="LineNr"> 495 </span>      <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L496" class="LineNr"> 496 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;W&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L497" class="LineNr"> 497 </span>      <span class="muComment"># errors? skip</span>
+<span id="L498" class="LineNr"> 498 </span>      <span class="Delimiter">{</span>
+<span id="L499" class="LineNr"> 499 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L500" class="LineNr"> 500 </span>        compare error?, <span class="Constant">0</span>/false
+<span id="L501" class="LineNr"> 501 </span>        <span class="PreProc">break-if-=</span>
+<span id="L502" class="LineNr"> 502 </span>        <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L503" class="LineNr"> 503 </span>        <span class="PreProc">return</span>
+<span id="L504" class="LineNr"> 504 </span>      <span class="Delimiter">}</span>
+<span id="L505" class="LineNr"> 505 </span>      <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *guard-ah
+<span id="L506" class="LineNr"> 506 </span>      <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> guard-a
+<span id="L507" class="LineNr"> 507 </span>      compare done?, <span class="Constant">0</span>/false
+<span id="L508" class="LineNr"> 508 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L509" class="LineNr"> 509 </span>      <a href='evaluate.mu.html#L660'>evaluate-exprs</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L510" class="LineNr"> 510 </span>      <span class="muComment"># errors? skip</span>
+<span id="L511" class="LineNr"> 511 </span>      <span class="Delimiter">{</span>
+<span id="L512" class="LineNr"> 512 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L513" class="LineNr"> 513 </span>        compare error?, <span class="Constant">0</span>/false
+<span id="L514" class="LineNr"> 514 </span>        <span class="PreProc">break-if-=</span>
+<span id="L515" class="LineNr"> 515 </span>        <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L516" class="LineNr"> 516 </span>        <span class="PreProc">return</span>
+<span id="L517" class="LineNr"> 517 </span>      <span class="Delimiter">}</span>
+<span id="L518" class="LineNr"> 518 </span>      <span class="PreProc">loop</span>
+<span id="L519" class="LineNr"> 519 </span>    <span class="Delimiter">}</span>
+<span id="L520" class="LineNr"> 520 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;loop terminated&quot;</span>
+<span id="L521" class="LineNr"> 521 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L522" class="LineNr"> 522 </span>    <span class="PreProc">return</span>
+<span id="L523" class="LineNr"> 523 </span>  <span class="Delimiter">}</span>
+<span id="L524" class="LineNr"> 524 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;function call&quot;</span>
+<span id="L525" class="LineNr"> 525 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating list elements&quot;</span>
+<span id="L526" class="LineNr"> 526 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L527" class="LineNr"> 527 </span>  <span class="PreProc">var</span> evaluated-list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L528" class="LineNr"> 528 </span>  <span class="PreProc">var</span> evaluated-list-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address evaluated-list-storage
+<span id="L529" class="LineNr"> 529 </span>  <span class="PreProc">var</span> curr-out-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy evaluated-list-ah
+<span id="L530" class="LineNr"> 530 </span>  <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
+<span id="L531" class="LineNr"> 531 </span>  $evaluate-list:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L532" class="LineNr"> 532 </span>    <a href='cell.mu.html#L102'>allocate-pair</a> curr-out-ah
+<span id="L533" class="LineNr"> 533 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> curr
+<span id="L534" class="LineNr"> 534 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L535" class="LineNr"> 535 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L536" class="LineNr"> 536 </span>    <span class="muComment"># eval left</span>
+<span id="L537" class="LineNr"> 537 </span>    <span class="PreProc">var</span> curr-out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-out-ah
+<span id="L538" class="LineNr"> 538 </span>    <span class="PreProc">var</span> left-out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-out, left
+<span id="L539" class="LineNr"> 539 </span>    <span class="PreProc">var</span> left-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
+<span id="L540" class="LineNr"> 540 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;A&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L541" class="LineNr"> 541 </span>    increment call-number
+<span id="L542" class="LineNr"> 542 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> left-ah, left-out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L543" class="LineNr"> 543 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;B&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L544" class="LineNr"> 544 </span>    <span class="muComment"># errors? skip</span>
+<span id="L545" class="LineNr"> 545 </span>    <span class="Delimiter">{</span>
+<span id="L546" class="LineNr"> 546 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L547" class="LineNr"> 547 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L548" class="LineNr"> 548 </span>      <span class="PreProc">break-if-=</span>
+<span id="L549" class="LineNr"> 549 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L550" class="LineNr"> 550 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L551" class="LineNr"> 551 </span>      <span class="PreProc">return</span>
+<span id="L552" class="LineNr"> 552 </span>    <span class="Delimiter">}</span>
+<span id="L553" class="LineNr"> 553 </span>    <span class="muComment">#</span>
+<span id="L554" class="LineNr"> 554 </span>    curr-out-ah <span class="Special">&lt;-</span> get curr-out, right
+<span id="L555" class="LineNr"> 555 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
+<span id="L556" class="LineNr"> 556 </span>    <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right-ah
+<span id="L557" class="LineNr"> 557 </span>    curr <span class="Special">&lt;-</span> copy right
+<span id="L558" class="LineNr"> 558 </span>    <span class="PreProc">loop</span>
+<span id="L559" class="LineNr"> 559 </span>  <span class="Delimiter">}</span>
+<span id="L560" class="LineNr"> 560 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L561" class="LineNr"> 561 </span>  <span class="PreProc">var</span> evaluated-list/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *evaluated-list-ah
+<span id="L562" class="LineNr"> 562 </span>  <span class="PreProc">var</span> function-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, left
+<span id="L563" class="LineNr"> 563 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, right
+<span id="L564" class="LineNr"> 564 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;C&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L565" class="LineNr"> 565 </span>  <a href='evaluate.mu.html#L586'>apply</a> function-ah, args-ah, _out-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L566" class="LineNr"> 566 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Y&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L567" class="LineNr"> 567 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L568" class="Folded"> 568 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; _out-ah -----------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L583" class="LineNr"> 583 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Z&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L584" class="LineNr"> 584 </span><span class="Delimiter">}</span>
+<span id="L585" class="LineNr"> 585 </span>
+<span id="L586" class="LineNr"> 586 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L586'>apply</a></span> _f-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
+<span id="L587" class="LineNr"> 587 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f-ah
+<span id="L588" class="LineNr"> 588 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *f-ah
+<span id="L589" class="LineNr"> 589 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f
+<span id="L590" class="LineNr"> 590 </span>  <span class="muComment"># call primitive functions</span>
+<span id="L591" class="LineNr"> 591 </span>  <span class="Delimiter">{</span>
+<span id="L592" class="LineNr"> 592 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
+<span id="L593" class="LineNr"> 593 </span>    compare *f-type, <span class="Constant">4</span>/primitive-function
+<span id="L594" class="LineNr"> 594 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L595" class="LineNr"> 595 </span>    <a href='global.mu.html#L513'>apply-primitive</a> f, args-ah, out, globals, trace
+<span id="L596" class="LineNr"> 596 </span>    <span class="PreProc">return</span>
+<span id="L597" class="LineNr"> 597 </span>  <span class="Delimiter">}</span>
+<span id="L598" class="LineNr"> 598 </span>  <span class="muComment"># if it's not a primitive function it must be an anonymous function</span>
+<span id="L599" class="Folded"> 599 </span><span class="Folded">+-- 19 lines: # trace &quot;apply anonymous function &quot; f &quot; in environment &quot; env --------------------------------------------------------------------------------------------------------------</span>
+<span id="L618" class="LineNr"> 618 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L619" class="LineNr"> 619 </span>  <span class="Delimiter">{</span>
+<span id="L620" class="LineNr"> 620 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
+<span id="L621" class="LineNr"> 621 </span>    compare *f-type, <span class="Constant">0</span>/pair
+<span id="L622" class="LineNr"> 622 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L623" class="LineNr"> 623 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, left
+<span id="L624" class="LineNr"> 624 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L625" class="LineNr"> 625 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1370'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1370'>litfn?</a> first
+<span id="L626" class="LineNr"> 626 </span>    compare <a href='evaluate.mu.html#L1370'>litfn?</a>, <span class="Constant">0</span>/false
+<span id="L627" class="LineNr"> 627 </span>    <span class="PreProc">break-if-=</span>
+<span id="L628" class="LineNr"> 628 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, right
+<span id="L629" class="LineNr"> 629 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L630" class="LineNr"> 630 </span>    <span class="PreProc">var</span> callee-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L631" class="LineNr"> 631 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L632" class="LineNr"> 632 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L633" class="LineNr"> 633 </span>    <span class="PreProc">var</span> params-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L634" class="LineNr"> 634 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L635" class="LineNr"> 635 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;D&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L636" class="LineNr"> 636 </span>    <a href='evaluate.mu.html#L644'>apply-function</a> params-ah, args-ah, body-ah, out, *callee-env-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L637" class="LineNr"> 637 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;Y&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L638" class="LineNr"> 638 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L639" class="LineNr"> 639 </span>    <span class="PreProc">return</span>
+<span id="L640" class="LineNr"> 640 </span>  <span class="Delimiter">}</span>
+<span id="L641" class="LineNr"> 641 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;unknown function&quot;</span>
+<span id="L642" class="LineNr"> 642 </span><span class="Delimiter">}</span>
+<span id="L643" class="LineNr"> 643 </span>
+<span id="L644" class="LineNr"> 644 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L644'>apply-function</a></span> params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), body-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
+<span id="L645" class="LineNr"> 645 </span>  <span class="muComment"># push bindings for params to env</span>
+<span id="L646" class="LineNr"> 646 </span>  <span class="PreProc">var</span> new-env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L647" class="LineNr"> 647 </span>  <span class="PreProc">var</span> new-env-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-env-h
+<span id="L648" class="LineNr"> 648 </span>  <a href='evaluate.mu.html#L704'>push-bindings</a> params-ah, args-ah, env-h, new-env-ah, trace
+<span id="L649" class="LineNr"> 649 </span>  <span class="muComment"># errors? skip</span>
 <span id="L650" class="LineNr"> 650 </span>  <span class="Delimiter">{</span>
-<span id="L651" class="LineNr"> 651 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L652" class="LineNr"> 652 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol; binding to all remaining args&quot;</span>
-<span id="L653" class="LineNr"> 653 </span>    <span class="muComment"># create a new binding</span>
-<span id="L654" class="LineNr"> 654 </span>    <span class="PreProc">var</span> new-binding-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L655" class="LineNr"> 655 </span>    <span class="PreProc">var</span> new-binding-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-binding-storage
-<span id="L656" class="LineNr"> 656 </span>    <a href='cell.mu.html#L116'>new-pair</a> new-binding-ah, *params-ah, *args-ah
-<span id="L657" class="LineNr"> 657 </span>    <span class="muComment"># push it to env</span>
-<span id="L658" class="LineNr"> 658 </span>    <a href='cell.mu.html#L116'>new-pair</a> env-ah, *new-binding-ah, old-env-h
-<span id="L659" class="LineNr"> 659 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L660" class="LineNr"> 660 </span>    <span class="PreProc">return</span>
-<span id="L661" class="LineNr"> 661 </span>  <span class="Delimiter">}</span>
-<span id="L662" class="LineNr"> 662 </span>  compare *params-type, <span class="Constant">0</span>/pair
-<span id="L663" class="LineNr"> 663 </span>  <span class="Delimiter">{</span>
-<span id="L664" class="LineNr"> 664 </span>    <span class="PreProc">break-if-=</span>
-<span id="L665" class="LineNr"> 665 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;cannot bind a non-symbol&quot;</span>
-<span id="L666" class="LineNr"> 666 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L667" class="LineNr"> 667 </span>    <span class="PreProc">return</span>
-<span id="L668" class="LineNr"> 668 </span>  <span class="Delimiter">}</span>
-<span id="L669" class="LineNr"> 669 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
-<span id="L670" class="LineNr"> 670 </span>  <span class="PreProc">var</span> args/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
-<span id="L671" class="LineNr"> 671 </span>  <span class="muComment"># params is now a pair, so args must be also</span>
-<span id="L672" class="LineNr"> 672 </span>  <span class="PreProc">var</span> args-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get args, <span class="PreProc">type</span>
-<span id="L673" class="LineNr"> 673 </span>  compare *args-type, <span class="Constant">0</span>/pair
-<span id="L674" class="LineNr"> 674 </span>  <span class="Delimiter">{</span>
-<span id="L675" class="LineNr"> 675 </span>    <span class="PreProc">break-if-=</span>
-<span id="L676" class="LineNr"> 676 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;args not in a proper list&quot;</span>
-<span id="L677" class="LineNr"> 677 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L678" class="LineNr"> 678 </span>    <span class="PreProc">return</span>
-<span id="L679" class="LineNr"> 679 </span>  <span class="Delimiter">}</span>
-<span id="L680" class="LineNr"> 680 </span>  <span class="PreProc">var</span> intermediate-env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L681" class="LineNr"> 681 </span>  <span class="PreProc">var</span> intermediate-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address intermediate-env-storage
-<span id="L682" class="LineNr"> 682 </span>  <span class="PreProc">var</span> first-param-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, left
-<span id="L683" class="LineNr"> 683 </span>  <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
-<span id="L684" class="LineNr"> 684 </span>  <a href='evaluate.mu.html#L616'>push-bindings</a> first-param-ah, first-arg-ah, old-env-h, intermediate-env-ah, trace
-<span id="L685" class="LineNr"> 685 </span>  <span class="PreProc">var</span> remaining-params-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, right
-<span id="L686" class="LineNr"> 686 </span>  <span class="PreProc">var</span> remaining-args-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, right
-<span id="L687" class="LineNr"> 687 </span>  <a href='evaluate.mu.html#L616'>push-bindings</a> remaining-params-ah, remaining-args-ah, *intermediate-env-ah, env-ah, trace
-<span id="L688" class="LineNr"> 688 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L689" class="LineNr"> 689 </span><span class="Delimiter">}</span>
-<span id="L690" class="LineNr"> 690 </span>
-<span id="L691" class="LineNr"> 691 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L691'>lookup-symbol</a></span> sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
-<span id="L692" class="LineNr"> 692 </span>  <span class="muComment"># trace sym</span>
-<span id="L693" class="LineNr"> 693 </span>  <span class="Delimiter">{</span>
-<span id="L694" class="LineNr"> 694 </span>    compare trace, <span class="Constant">0</span>
-<span id="L695" class="LineNr"> 695 </span>    <span class="PreProc">break-if-=</span>
-<span id="L696" class="LineNr"> 696 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>)  <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
-<span id="L697" class="LineNr"> 697 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L698" class="LineNr"> 698 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;look up &quot;</span>
-<span id="L699" class="LineNr"> 699 </span>    <span class="PreProc">var</span> sym2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy sym
-<span id="L700" class="LineNr"> 700 </span>    <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get sym2, text-data
-<span id="L701" class="LineNr"> 701 </span>    <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sym-data-ah
-<span id="L702" class="LineNr"> 702 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-data
-<span id="L703" class="LineNr"> 703 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-data
-<span id="L704" class="LineNr"> 704 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; in &quot;</span>
-<span id="L705" class="LineNr"> 705 </span>    <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
-<span id="L706" class="LineNr"> 706 </span>    <a href='print.mu.html#L1'>print-cell</a> env-ah, stream, <span class="Constant">0</span>/no-trace
-<span id="L707" class="LineNr"> 707 </span>    trace trace, <span class="Constant">&quot;eval&quot;</span>, stream
-<span id="L708" class="LineNr"> 708 </span>  <span class="Delimiter">}</span>
-<span id="L709" class="LineNr"> 709 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L710" class="LineNr"> 710 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> env-h
-<span id="L711" class="LineNr"> 711 </span>  <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
-<span id="L712" class="LineNr"> 712 </span>  <span class="muComment"># if env is not a list, abort</span>
-<span id="L713" class="LineNr"> 713 </span>  <span class="Delimiter">{</span>
-<span id="L714" class="LineNr"> 714 </span>    <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get env, <span class="PreProc">type</span>
-<span id="L715" class="LineNr"> 715 </span>    compare *env-type, <span class="Constant">0</span>/pair
-<span id="L716" class="LineNr"> 716 </span>    <span class="PreProc">break-if-=</span>
-<span id="L717" class="LineNr"> 717 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;eval found a non-list environment&quot;</span>
-<span id="L718" class="LineNr"> 718 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L719" class="LineNr"> 719 </span>    <span class="PreProc">return</span>
-<span id="L720" class="LineNr"> 720 </span>  <span class="Delimiter">}</span>
-<span id="L721" class="LineNr"> 721 </span>  <span class="muComment"># if env is nil, look up in globals</span>
-<span id="L722" class="LineNr"> 722 </span>  <span class="Delimiter">{</span>
-<span id="L723" class="LineNr"> 723 </span>    <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> env
-<span id="L724" class="LineNr"> 724 </span>    compare env-nil?, <span class="Constant">0</span>/false
-<span id="L725" class="LineNr"> 725 </span>    <span class="PreProc">break-if-=</span>
-<span id="L726" class="LineNr"> 726 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;b&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L727" class="LineNr"> 727 </span>    <a href='global.mu.html#L352'>lookup-symbol-in-globals</a> sym, out, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
-<span id="L728" class="LineNr"> 728 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;x&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L729" class="LineNr"> 729 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L730" class="Folded"> 730 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; out &quot; (global)&quot; ---------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L745" class="LineNr"> 745 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;y&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L746" class="LineNr"> 746 </span>    <span class="PreProc">return</span>
-<span id="L747" class="LineNr"> 747 </span>  <span class="Delimiter">}</span>
-<span id="L748" class="LineNr"> 748 </span>  <span class="muComment"># check car</span>
-<span id="L749" class="LineNr"> 749 </span>  <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L750" class="LineNr"> 750 </span>  <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-head-storage
-<span id="L751" class="LineNr"> 751 </span>  <a href='evaluate.mu.html#L981'>car</a> env, env-head-ah, <span class="Constant">0</span>/no-trace
-<span id="L752" class="LineNr"> 752 </span>  <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *env-head-ah
-<span id="L753" class="LineNr"> 753 </span>  <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env-head
-<span id="L754" class="LineNr"> 754 </span>  <span class="muComment"># if car is not a list, abort</span>
-<span id="L755" class="LineNr"> 755 </span>  <span class="Delimiter">{</span>
-<span id="L756" class="LineNr"> 756 </span>    <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get env-head, <span class="PreProc">type</span>
-<span id="L757" class="LineNr"> 757 </span>    compare *env-head-type, <span class="Constant">0</span>/pair
+<span id="L651" class="LineNr"> 651 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L652" class="LineNr"> 652 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">break-if-=</span>
+<span id="L654" class="LineNr"> 654 </span>    <span class="PreProc">return</span>
+<span id="L655" class="LineNr"> 655 </span>  <span class="Delimiter">}</span>
+<span id="L656" class="LineNr"> 656 </span>  <span class="muComment">#</span>
+<span id="L657" class="LineNr"> 657 </span>  <a href='evaluate.mu.html#L660'>evaluate-exprs</a> body-ah, out, new-env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L658" class="LineNr"> 658 </span><span class="Delimiter">}</span>
+<span id="L659" class="LineNr"> 659 </span>
+<span id="L660" class="LineNr"> 660 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L660'>evaluate-exprs</a></span> _exprs-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
+<span id="L661" class="LineNr"> 661 </span>  <span class="muComment"># eval all exprs, writing result to `out` each time</span>
+<span id="L662" class="LineNr"> 662 </span>  <span class="PreProc">var</span> exprs-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _exprs-ah
+<span id="L663" class="LineNr"> 663 </span>  $evaluate-exprs:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L664" class="LineNr"> 664 </span>    <span class="PreProc">var</span> exprs/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *exprs-ah
+<span id="L665" class="LineNr"> 665 </span>    <span class="muComment"># stop when exprs is nil</span>
+<span id="L666" class="LineNr"> 666 </span>    <span class="Delimiter">{</span>
+<span id="L667" class="LineNr"> 667 </span>      <span class="PreProc">var</span> exprs-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> exprs
+<span id="L668" class="LineNr"> 668 </span>      compare exprs-nil?, <span class="Constant">0</span>/false
+<span id="L669" class="LineNr"> 669 </span>      <span class="PreProc">break-if-!=</span> $evaluate-exprs:<span class="PreProc">loop</span>
+<span id="L670" class="LineNr"> 670 </span>    <span class="Delimiter">}</span>
+<span id="L671" class="LineNr"> 671 </span>    <span class="muComment"># evaluate each expression, writing result to `out`</span>
+<span id="L672" class="LineNr"> 672 </span>    <span class="Delimiter">{</span>
+<span id="L673" class="LineNr"> 673 </span>      <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get exprs, left
+<span id="L674" class="LineNr"> 674 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;E&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L675" class="LineNr"> 675 </span>      increment call-number
+<span id="L676" class="LineNr"> 676 </span>      <a href='evaluate.mu.html#L5'>evaluate</a> curr-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L677" class="LineNr"> 677 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;X&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L678" class="LineNr"> 678 </span>      <span class="muComment"># errors? skip</span>
+<span id="L679" class="LineNr"> 679 </span>      <span class="Delimiter">{</span>
+<span id="L680" class="LineNr"> 680 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L681" class="LineNr"> 681 </span>        compare error?, <span class="Constant">0</span>/false
+<span id="L682" class="LineNr"> 682 </span>        <span class="PreProc">break-if-=</span>
+<span id="L683" class="LineNr"> 683 </span>        <span class="PreProc">return</span>
+<span id="L684" class="LineNr"> 684 </span>      <span class="Delimiter">}</span>
+<span id="L685" class="LineNr"> 685 </span>    <span class="Delimiter">}</span>
+<span id="L686" class="LineNr"> 686 </span>    <span class="muComment">#</span>
+<span id="L687" class="LineNr"> 687 </span>    exprs-ah <span class="Special">&lt;-</span> get exprs, right
+<span id="L688" class="LineNr"> 688 </span>    <span class="PreProc">loop</span>
+<span id="L689" class="LineNr"> 689 </span>  <span class="Delimiter">}</span>
+<span id="L690" class="LineNr"> 690 </span>  <span class="muComment"># `out` contains result of evaluating final expression</span>
+<span id="L691" class="LineNr"> 691 </span><span class="Delimiter">}</span>
+<span id="L692" class="LineNr"> 692 </span>
+<span id="L693" class="LineNr"> 693 </span><span class="muComment"># Bind params to corresponding args and add the bindings to old-env. Return</span>
+<span id="L694" class="LineNr"> 694 </span><span class="muComment"># the result in env-ah.</span>
+<span id="L695" class="LineNr"> 695 </span><span class="muComment">#</span>
+<span id="L696" class="LineNr"> 696 </span><span class="muComment"># We never modify old-env, but we point to it. This way other parts of the</span>
+<span id="L697" class="LineNr"> 697 </span><span class="muComment"># interpreter can continue using old-env, and everything works harmoniously</span>
+<span id="L698" class="LineNr"> 698 </span><span class="muComment"># even though no cells are copied around.</span>
+<span id="L699" class="LineNr"> 699 </span><span class="muComment">#</span>
+<span id="L700" class="LineNr"> 700 </span><span class="muComment"># env should always be a DAG (ignoring internals of values). It doesn't have</span>
+<span id="L701" class="LineNr"> 701 </span><span class="muComment"># to be a tree (some values may be shared), but there are also no cycles.</span>
+<span id="L702" class="LineNr"> 702 </span><span class="muComment">#</span>
+<span id="L703" class="LineNr"> 703 </span><span class="muComment"># Learn more: <a href="https://en.wikipedia.org/wiki/Persistent_data_structure">https://en.wikipedia.org/wiki/Persistent_data_structure</a></span>
+<span id="L704" class="LineNr"> 704 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L704'>push-bindings</a></span> _params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), old-env-h: (handle <a href='cell.mu.html#L1'>cell</a>), env-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L705" class="LineNr"> 705 </span>  <span class="PreProc">var</span> params-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params-ah
+<span id="L706" class="LineNr"> 706 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
+<span id="L707" class="LineNr"> 707 </span>  <span class="PreProc">var</span> _params/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *params-ah
+<span id="L708" class="LineNr"> 708 </span>  <span class="PreProc">var</span> params/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params
+<span id="L709" class="LineNr"> 709 </span>  <span class="Delimiter">{</span>
+<span id="L710" class="LineNr"> 710 </span>    <span class="PreProc">var</span> params-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> params
+<span id="L711" class="LineNr"> 711 </span>    compare params-nil?, <span class="Constant">0</span>/false
+<span id="L712" class="LineNr"> 712 </span>    <span class="PreProc">break-if-=</span>
+<span id="L713" class="LineNr"> 713 </span>    <span class="muComment"># nil is a literal</span>
+<span id="L714" class="LineNr"> 714 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;done with push-bindings&quot;</span>
+<span id="L715" class="LineNr"> 715 </span>    <a href='../120allocate.subx.html#L479'>copy-handle</a> old-env-h, env-ah
+<span id="L716" class="LineNr"> 716 </span>    <span class="PreProc">return</span>
+<span id="L717" class="LineNr"> 717 </span>  <span class="Delimiter">}</span>
+<span id="L718" class="LineNr"> 718 </span>  <span class="muComment"># Params can only be symbols or pairs. Args can be anything.</span>
+<span id="L719" class="Folded"> 719 </span><span class="Folded">+-- 22 lines: # trace &quot;pushing bindings from &quot; params &quot; to &quot; args -----------------------------------------------------------------------------------------------------------------------</span>
+<span id="L741" class="LineNr"> 741 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L742" class="LineNr"> 742 </span>  <span class="PreProc">var</span> params-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get params, <span class="PreProc">type</span>
+<span id="L743" class="LineNr"> 743 </span>  compare *params-type, <span class="Constant">2</span>/symbol
+<span id="L744" class="LineNr"> 744 </span>  <span class="Delimiter">{</span>
+<span id="L745" class="LineNr"> 745 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L746" class="LineNr"> 746 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol; binding to all remaining args&quot;</span>
+<span id="L747" class="LineNr"> 747 </span>    <span class="muComment"># create a new binding</span>
+<span id="L748" class="LineNr"> 748 </span>    <span class="PreProc">var</span> new-binding-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L749" class="LineNr"> 749 </span>    <span class="PreProc">var</span> new-binding-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-binding-storage
+<span id="L750" class="LineNr"> 750 </span>    <a href='cell.mu.html#L116'>new-pair</a> new-binding-ah, *params-ah, *args-ah
+<span id="L751" class="LineNr"> 751 </span>    <span class="muComment"># push it to env</span>
+<span id="L752" class="LineNr"> 752 </span>    <a href='cell.mu.html#L116'>new-pair</a> env-ah, *new-binding-ah, old-env-h
+<span id="L753" class="LineNr"> 753 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L754" class="LineNr"> 754 </span>    <span class="PreProc">return</span>
+<span id="L755" class="LineNr"> 755 </span>  <span class="Delimiter">}</span>
+<span id="L756" class="LineNr"> 756 </span>  compare *params-type, <span class="Constant">0</span>/pair
+<span id="L757" class="LineNr"> 757 </span>  <span class="Delimiter">{</span>
 <span id="L758" class="LineNr"> 758 </span>    <span class="PreProc">break-if-=</span>
-<span id="L759" class="LineNr"> 759 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;environment is not a list of (key . value) pairs&quot;</span>
-<span id="L760" class="LineNr"> 760 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
+<span id="L759" class="LineNr"> 759 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;cannot bind a non-symbol&quot;</span>
+<span id="L760" class="LineNr"> 760 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
 <span id="L761" class="LineNr"> 761 </span>    <span class="PreProc">return</span>
 <span id="L762" class="LineNr"> 762 </span>  <span class="Delimiter">}</span>
-<span id="L763" class="LineNr"> 763 </span>  <span class="muComment"># check key</span>
-<span id="L764" class="LineNr"> 764 </span>  <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L765" class="LineNr"> 765 </span>  <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-key-storage
-<span id="L766" class="LineNr"> 766 </span>  <a href='evaluate.mu.html#L981'>car</a> env-head, curr-key-ah, trace
-<span id="L767" class="LineNr"> 767 </span>  <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-ah
-<span id="L768" class="LineNr"> 768 </span>  <span class="muComment"># if key is not a symbol, abort</span>
-<span id="L769" class="LineNr"> 769 </span>  <span class="Delimiter">{</span>
-<span id="L770" class="LineNr"> 770 </span>    <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-key, <span class="PreProc">type</span>
-<span id="L771" class="LineNr"> 771 </span>    compare *curr-key-type, <span class="Constant">2</span>/symbol
-<span id="L772" class="LineNr"> 772 </span>    <span class="PreProc">break-if-=</span>
-<span id="L773" class="LineNr"> 773 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;environment contains a binding for a non-symbol&quot;</span>
-<span id="L774" class="LineNr"> 774 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L775" class="LineNr"> 775 </span>    <span class="PreProc">return</span>
-<span id="L776" class="LineNr"> 776 </span>  <span class="Delimiter">}</span>
-<span id="L777" class="LineNr"> 777 </span>  <span class="muComment"># if key matches sym, return val</span>
-<span id="L778" class="LineNr"> 778 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> curr-key, sym, trace
-<span id="L779" class="LineNr"> 779 </span>  compare match?, <span class="Constant">0</span>/false
-<span id="L780" class="LineNr"> 780 </span>  <span class="Delimiter">{</span>
-<span id="L781" class="LineNr"> 781 </span>    <span class="PreProc">break-if-=</span>
-<span id="L782" class="LineNr"> 782 </span>    <a href='evaluate.mu.html#L1009'>cdr</a> env-head, out, <span class="Constant">0</span>/no-trace
-<span id="L783" class="Folded"> 783 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; out &quot; (match)&quot; ----------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L798" class="LineNr"> 798 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L799" class="LineNr"> 799 </span>    <span class="PreProc">return</span>
-<span id="L800" class="LineNr"> 800 </span>  <span class="Delimiter">}</span>
-<span id="L801" class="LineNr"> 801 </span>  <span class="muComment"># otherwise recurse</span>
-<span id="L802" class="LineNr"> 802 </span>  <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L803" class="LineNr"> 803 </span>  <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-tail-storage
-<span id="L804" class="LineNr"> 804 </span>  <a href='evaluate.mu.html#L1009'>cdr</a> env, env-tail-ah, trace
-<span id="L805" class="LineNr"> 805 </span>  <a href='evaluate.mu.html#L691'>lookup-symbol</a> sym, out, *env-tail-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
-<span id="L806" class="LineNr"> 806 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L807" class="Folded"> 807 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; out &quot; (recurse)&quot; --------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L822" class="LineNr"> 822 </span><span class="Delimiter">}</span>
-<span id="L823" class="LineNr"> 823 </span>
-<span id="L824" class="LineNr"> 824 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L824'>test-lookup-symbol-in-env</a></span> <span class="Delimiter">{</span>
-<span id="L825" class="LineNr"> 825 </span>  <span class="muComment"># tmp = (a . 3)</span>
-<span id="L826" class="LineNr"> 826 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L827" class="LineNr"> 827 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
-<span id="L828" class="LineNr"> 828 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L829" class="LineNr"> 829 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L830" class="LineNr"> 830 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
-<span id="L831" class="LineNr"> 831 </span>  <a href='cell.mu.html#L39'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L832" class="LineNr"> 832 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L833" class="LineNr"> 833 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L834" class="LineNr"> 834 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *key-ah, *val-ah
-<span id="L835" class="LineNr"> 835 </span>  <span class="muComment"># env = ((a . 3))</span>
-<span id="L836" class="LineNr"> 836 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L837" class="LineNr"> 837 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L838" class="LineNr"> 838 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L839" class="LineNr"> 839 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *env-ah, *nil-ah
-<span id="L840" class="LineNr"> 840 </span>  <span class="muComment"># lookup sym(a) in env tmp</span>
-<span id="L841" class="LineNr"> 841 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L842" class="LineNr"> 842 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L843" class="LineNr"> 843 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L844" class="LineNr"> 844 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L845" class="LineNr"> 845 </span>  <a href='evaluate.mu.html#L691'>lookup-symbol</a> in, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
-<span id="L846" class="LineNr"> 846 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L847" class="LineNr"> 847 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L848" class="LineNr"> 848 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L824'>test-lookup-symbol-in-env</a>/0&quot;</span>
-<span id="L849" class="LineNr"> 849 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L850" class="LineNr"> 850 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L851" class="LineNr"> 851 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L824'>test-lookup-symbol-in-env</a>/1&quot;</span>
-<span id="L852" class="LineNr"> 852 </span><span class="Delimiter">}</span>
-<span id="L853" class="LineNr"> 853 </span>
-<span id="L854" class="LineNr"> 854 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L854'>test-lookup-symbol-in-globals</a></span> <span class="Delimiter">{</span>
-<span id="L855" class="LineNr"> 855 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L856" class="LineNr"> 856 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L857" class="LineNr"> 857 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L858" class="LineNr"> 858 </span>  <span class="muComment"># env = nil</span>
-<span id="L859" class="LineNr"> 859 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L860" class="LineNr"> 860 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L861" class="LineNr"> 861 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L862" class="LineNr"> 862 </span>  <span class="muComment"># lookup sym(a), env</span>
-<span id="L863" class="LineNr"> 863 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L864" class="LineNr"> 864 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L865" class="LineNr"> 865 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L867" class="LineNr"> 867 </span>  <a href='evaluate.mu.html#L691'>lookup-symbol</a> in, tmp-ah, *nil-ah, globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
-<span id="L868" class="LineNr"> 868 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L869" class="LineNr"> 869 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L870" class="LineNr"> 870 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L854'>test-lookup-symbol-in-globals</a>/0&quot;</span>
-<span id="L871" class="LineNr"> 871 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
-<span id="L872" class="LineNr"> 872 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L854'>test-lookup-symbol-in-globals</a>/1&quot;</span>
-<span id="L873" class="LineNr"> 873 </span><span class="Delimiter">}</span>
-<span id="L874" class="LineNr"> 874 </span>
-<span id="L875" class="LineNr"> 875 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L875'>mutate-binding</a></span> name: (addr stream byte), val: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L876" class="LineNr"> 876 </span>  <span class="muComment"># trace name</span>
+<span id="L763" class="LineNr"> 763 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
+<span id="L764" class="LineNr"> 764 </span>  <span class="PreProc">var</span> args/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
+<span id="L765" class="LineNr"> 765 </span>  <span class="muComment"># params is now a pair, so args must be also</span>
+<span id="L766" class="LineNr"> 766 </span>  <span class="Delimiter">{</span>
+<span id="L767" class="LineNr"> 767 </span>    <span class="PreProc">var</span> args-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
+<span id="L768" class="LineNr"> 768 </span>    compare args-nil?, <span class="Constant">0</span>/false
+<span id="L769" class="LineNr"> 769 </span>    <span class="PreProc">break-if-=</span>
+<span id="L770" class="LineNr"> 770 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;not enough args to bind&quot;</span>
+<span id="L771" class="LineNr"> 771 </span>    <span class="PreProc">return</span>
+<span id="L772" class="LineNr"> 772 </span>  <span class="Delimiter">}</span>
+<span id="L773" class="LineNr"> 773 </span>  <span class="PreProc">var</span> args-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get args, <span class="PreProc">type</span>
+<span id="L774" class="LineNr"> 774 </span>  compare *args-type, <span class="Constant">0</span>/pair
+<span id="L775" class="LineNr"> 775 </span>  <span class="Delimiter">{</span>
+<span id="L776" class="LineNr"> 776 </span>    <span class="PreProc">break-if-=</span>
+<span id="L777" class="LineNr"> 777 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;args not in a proper list&quot;</span>
+<span id="L778" class="LineNr"> 778 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L779" class="LineNr"> 779 </span>    <span class="PreProc">return</span>
+<span id="L780" class="LineNr"> 780 </span>  <span class="Delimiter">}</span>
+<span id="L781" class="LineNr"> 781 </span>  <span class="PreProc">var</span> intermediate-env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L782" class="LineNr"> 782 </span>  <span class="PreProc">var</span> intermediate-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address intermediate-env-storage
+<span id="L783" class="LineNr"> 783 </span>  <span class="PreProc">var</span> first-param-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, left
+<span id="L784" class="LineNr"> 784 </span>  <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
+<span id="L785" class="LineNr"> 785 </span>  <a href='evaluate.mu.html#L704'>push-bindings</a> first-param-ah, first-arg-ah, old-env-h, intermediate-env-ah, trace
+<span id="L786" class="LineNr"> 786 </span>  <span class="muComment"># errors? skip</span>
+<span id="L787" class="LineNr"> 787 </span>  <span class="Delimiter">{</span>
+<span id="L788" class="LineNr"> 788 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L789" class="LineNr"> 789 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L790" class="LineNr"> 790 </span>    <span class="PreProc">break-if-=</span>
+<span id="L791" class="LineNr"> 791 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L792" class="LineNr"> 792 </span>    <span class="PreProc">return</span>
+<span id="L793" class="LineNr"> 793 </span>  <span class="Delimiter">}</span>
+<span id="L794" class="LineNr"> 794 </span>  <span class="PreProc">var</span> remaining-params-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, right
+<span id="L795" class="LineNr"> 795 </span>  <span class="PreProc">var</span> remaining-args-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, right
+<span id="L796" class="LineNr"> 796 </span>  <a href='evaluate.mu.html#L704'>push-bindings</a> remaining-params-ah, remaining-args-ah, *intermediate-env-ah, env-ah, trace
+<span id="L797" class="LineNr"> 797 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L798" class="LineNr"> 798 </span><span class="Delimiter">}</span>
+<span id="L799" class="LineNr"> 799 </span>
+<span id="L800" class="LineNr"> 800 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L800'>lookup-symbol</a></span> sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
+<span id="L801" class="LineNr"> 801 </span>  <span class="muComment"># trace sym</span>
+<span id="L802" class="LineNr"> 802 </span>  <span class="Delimiter">{</span>
+<span id="L803" class="LineNr"> 803 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> trace
+<span id="L804" class="LineNr"> 804 </span>    compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
+<span id="L805" class="LineNr"> 805 </span>    <span class="PreProc">break-if-=</span>
+<span id="L806" class="LineNr"> 806 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>)  <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
+<span id="L807" class="LineNr"> 807 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L808" class="LineNr"> 808 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;look up &quot;</span>
+<span id="L809" class="LineNr"> 809 </span>    <span class="PreProc">var</span> sym2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy sym
+<span id="L810" class="LineNr"> 810 </span>    <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get sym2, text-data
+<span id="L811" class="LineNr"> 811 </span>    <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sym-data-ah
+<span id="L812" class="LineNr"> 812 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-data
+<span id="L813" class="LineNr"> 813 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-data
+<span id="L814" class="LineNr"> 814 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; in &quot;</span>
+<span id="L815" class="LineNr"> 815 </span>    <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
+<span id="L816" class="LineNr"> 816 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L817" class="LineNr"> 817 </span>    <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L818" class="LineNr"> 818 </span>    <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L819" class="LineNr"> 819 </span>    <a href='print.mu.html#L7'>print-cell</a> env-ah, stream, nested-trace
+<span id="L820" class="LineNr"> 820 </span>    trace trace, <span class="Constant">&quot;eval&quot;</span>, stream
+<span id="L821" class="LineNr"> 821 </span>  <span class="Delimiter">}</span>
+<span id="L822" class="LineNr"> 822 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L823" class="LineNr"> 823 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> env-h
+<span id="L824" class="LineNr"> 824 </span>  <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
+<span id="L825" class="LineNr"> 825 </span>  <span class="muComment"># if env is not a list, error</span>
+<span id="L826" class="LineNr"> 826 </span>  <span class="Delimiter">{</span>
+<span id="L827" class="LineNr"> 827 </span>    <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get env, <span class="PreProc">type</span>
+<span id="L828" class="LineNr"> 828 </span>    compare *env-type, <span class="Constant">0</span>/pair
+<span id="L829" class="LineNr"> 829 </span>    <span class="PreProc">break-if-=</span>
+<span id="L830" class="LineNr"> 830 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;eval found a non-list environment&quot;</span>
+<span id="L831" class="LineNr"> 831 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L832" class="LineNr"> 832 </span>    <span class="PreProc">return</span>
+<span id="L833" class="LineNr"> 833 </span>  <span class="Delimiter">}</span>
+<span id="L834" class="LineNr"> 834 </span>  <span class="muComment"># if env is nil, look up in globals</span>
+<span id="L835" class="LineNr"> 835 </span>  <span class="Delimiter">{</span>
+<span id="L836" class="LineNr"> 836 </span>    <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> env
+<span id="L837" class="LineNr"> 837 </span>    compare env-nil?, <span class="Constant">0</span>/false
+<span id="L838" class="LineNr"> 838 </span>    <span class="PreProc">break-if-=</span>
+<span id="L839" class="LineNr"> 839 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;b&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L840" class="LineNr"> 840 </span>    <a href='global.mu.html#L352'>lookup-symbol-in-globals</a> sym, out, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
+<span id="L841" class="LineNr"> 841 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;x&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L842" class="LineNr"> 842 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L843" class="Folded"> 843 </span><span class="Folded">+-- 19 lines: # trace &quot;=&gt; &quot; out &quot; (global)&quot; ---------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L862" class="LineNr"> 862 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;y&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L863" class="LineNr"> 863 </span>    <span class="PreProc">return</span>
+<span id="L864" class="LineNr"> 864 </span>  <span class="Delimiter">}</span>
+<span id="L865" class="LineNr"> 865 </span>  <span class="muComment"># check car</span>
+<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-head-storage
+<span id="L868" class="LineNr"> 868 </span>  <span class="Delimiter">{</span>
+<span id="L869" class="LineNr"> 869 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L870" class="LineNr"> 870 </span>    <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L871" class="LineNr"> 871 </span>    <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L872" class="LineNr"> 872 </span>    <a href='evaluate.mu.html#L1130'>car</a> env, env-head-ah, nested-trace
+<span id="L873" class="LineNr"> 873 </span>  <span class="Delimiter">}</span>
+<span id="L874" class="LineNr"> 874 </span>  <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *env-head-ah
+<span id="L875" class="LineNr"> 875 </span>  <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env-head
+<span id="L876" class="LineNr"> 876 </span>  <span class="muComment"># if car is not a list, abort</span>
 <span id="L877" class="LineNr"> 877 </span>  <span class="Delimiter">{</span>
-<span id="L878" class="LineNr"> 878 </span>    compare trace, <span class="Constant">0</span>
-<span id="L879" class="LineNr"> 879 </span>    <span class="PreProc">break-if-=</span>
-<span id="L880" class="LineNr"> 880 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>)  <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
-<span id="L881" class="LineNr"> 881 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L882" class="LineNr"> 882 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;bind &quot;</span>
-<span id="L883" class="LineNr"> 883 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> name
-<span id="L884" class="LineNr"> 884 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, name
-<span id="L885" class="LineNr"> 885 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; to &quot;</span>
-<span id="L886" class="LineNr"> 886 </span>    <a href='print.mu.html#L1'>print-cell</a> val, stream, <span class="Constant">0</span>/no-trace
-<span id="L887" class="LineNr"> 887 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; in &quot;</span>
-<span id="L888" class="LineNr"> 888 </span>    <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
-<span id="L889" class="LineNr"> 889 </span>    <a href='print.mu.html#L1'>print-cell</a> env-ah, stream, <span class="Constant">0</span>/no-trace
-<span id="L890" class="LineNr"> 890 </span>    trace trace, <span class="Constant">&quot;eval&quot;</span>, stream
-<span id="L891" class="LineNr"> 891 </span>  <span class="Delimiter">}</span>
-<span id="L892" class="LineNr"> 892 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L893" class="LineNr"> 893 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> env-h
-<span id="L894" class="LineNr"> 894 </span>  <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
-<span id="L895" class="LineNr"> 895 </span>  <span class="muComment"># if env is not a list, abort</span>
-<span id="L896" class="LineNr"> 896 </span>  <span class="Delimiter">{</span>
-<span id="L897" class="LineNr"> 897 </span>    <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get env, <span class="PreProc">type</span>
-<span id="L898" class="LineNr"> 898 </span>    compare *env-type, <span class="Constant">0</span>/pair
-<span id="L899" class="LineNr"> 899 </span>    <span class="PreProc">break-if-=</span>
-<span id="L900" class="LineNr"> 900 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;eval found a non-list environment&quot;</span>
-<span id="L901" class="LineNr"> 901 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L902" class="LineNr"> 902 </span>    <span class="PreProc">return</span>
-<span id="L903" class="LineNr"> 903 </span>  <span class="Delimiter">}</span>
-<span id="L904" class="LineNr"> 904 </span>  <span class="muComment"># if env is nil, look in globals</span>
-<span id="L905" class="LineNr"> 905 </span>  <span class="Delimiter">{</span>
-<span id="L906" class="LineNr"> 906 </span>    <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> env
-<span id="L907" class="LineNr"> 907 </span>    compare env-nil?, <span class="Constant">0</span>/false
-<span id="L908" class="LineNr"> 908 </span>    <span class="PreProc">break-if-=</span>
-<span id="L909" class="LineNr"> 909 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;b&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L910" class="LineNr"> 910 </span>    <a href='global.mu.html#L487'>mutate-binding-in-globals</a> name, val, globals, trace
-<span id="L911" class="LineNr"> 911 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;x&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L912" class="LineNr"> 912 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L913" class="Folded"> 913 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; val &quot; (global)&quot; ---------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L928" class="LineNr"> 928 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;y&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L929" class="LineNr"> 929 </span>    <span class="PreProc">return</span>
-<span id="L930" class="LineNr"> 930 </span>  <span class="Delimiter">}</span>
-<span id="L931" class="LineNr"> 931 </span>  <span class="muComment"># check car</span>
-<span id="L932" class="LineNr"> 932 </span>  <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L933" class="LineNr"> 933 </span>  <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-head-storage
-<span id="L934" class="LineNr"> 934 </span>  <a href='evaluate.mu.html#L981'>car</a> env, env-head-ah, <span class="Constant">0</span>/no-trace
-<span id="L935" class="LineNr"> 935 </span>  <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *env-head-ah
-<span id="L936" class="LineNr"> 936 </span>  <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env-head
-<span id="L937" class="LineNr"> 937 </span>  <span class="muComment"># if car is not a list, abort</span>
-<span id="L938" class="LineNr"> 938 </span>  <span class="Delimiter">{</span>
-<span id="L939" class="LineNr"> 939 </span>    <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get env-head, <span class="PreProc">type</span>
-<span id="L940" class="LineNr"> 940 </span>    compare *env-head-type, <span class="Constant">0</span>/pair
-<span id="L941" class="LineNr"> 941 </span>    <span class="PreProc">break-if-=</span>
-<span id="L942" class="LineNr"> 942 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;environment is not a list of (key . value) pairs&quot;</span>
-<span id="L943" class="LineNr"> 943 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L944" class="LineNr"> 944 </span>    <span class="PreProc">return</span>
-<span id="L945" class="LineNr"> 945 </span>  <span class="Delimiter">}</span>
-<span id="L946" class="LineNr"> 946 </span>  <span class="muComment"># check key</span>
-<span id="L947" class="LineNr"> 947 </span>  <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L948" class="LineNr"> 948 </span>  <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-key-storage
-<span id="L949" class="LineNr"> 949 </span>  <a href='evaluate.mu.html#L981'>car</a> env-head, curr-key-ah, trace
-<span id="L950" class="LineNr"> 950 </span>  <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-ah
-<span id="L951" class="LineNr"> 951 </span>  <span class="muComment"># if key is not a symbol, abort</span>
-<span id="L952" class="LineNr"> 952 </span>  <span class="Delimiter">{</span>
-<span id="L953" class="LineNr"> 953 </span>    <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-key, <span class="PreProc">type</span>
-<span id="L954" class="LineNr"> 954 </span>    compare *curr-key-type, <span class="Constant">2</span>/symbol
-<span id="L955" class="LineNr"> 955 </span>    <span class="PreProc">break-if-=</span>
-<span id="L956" class="LineNr"> 956 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;environment contains a binding for a non-symbol&quot;</span>
-<span id="L957" class="LineNr"> 957 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L958" class="LineNr"> 958 </span>    <span class="PreProc">return</span>
-<span id="L959" class="LineNr"> 959 </span>  <span class="Delimiter">}</span>
-<span id="L960" class="LineNr"> 960 </span>  <span class="muComment"># if key matches name, return val</span>
-<span id="L961" class="LineNr"> 961 </span>  <span class="PreProc">var</span> curr-key-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-key, text-data
-<span id="L962" class="LineNr"> 962 </span>  <span class="PreProc">var</span> curr-key-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-data-ah
-<span id="L963" class="LineNr"> 963 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L211'>streams-data-equal?</a> curr-key-data, name
-<span id="L964" class="LineNr"> 964 </span>  compare match?, <span class="Constant">0</span>/false
-<span id="L965" class="LineNr"> 965 </span>  <span class="Delimiter">{</span>
-<span id="L966" class="LineNr"> 966 </span>    <span class="PreProc">break-if-=</span>
-<span id="L967" class="LineNr"> 967 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get env-head, right
-<span id="L968" class="LineNr"> 968 </span>    copy-object val, dest
-<span id="L969" class="LineNr"> 969 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; done&quot;</span>
-<span id="L970" class="LineNr"> 970 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L971" class="LineNr"> 971 </span>    <span class="PreProc">return</span>
-<span id="L972" class="LineNr"> 972 </span>  <span class="Delimiter">}</span>
-<span id="L973" class="LineNr"> 973 </span>  <span class="muComment"># otherwise recurse</span>
-<span id="L974" class="LineNr"> 974 </span>  <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L975" class="LineNr"> 975 </span>  <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-tail-storage
-<span id="L976" class="LineNr"> 976 </span>  <a href='evaluate.mu.html#L1009'>cdr</a> env, env-tail-ah, trace
-<span id="L977" class="LineNr"> 977 </span>  <a href='evaluate.mu.html#L875'>mutate-binding</a> name, val, *env-tail-ah, globals, trace
-<span id="L978" class="LineNr"> 978 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L979" class="LineNr"> 979 </span><span class="Delimiter">}</span>
-<span id="L980" class="LineNr"> 980 </span>
-<span id="L981" class="LineNr"> 981 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L981'>car</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L982" class="LineNr"> 982 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;car&quot;</span>
-<span id="L983" class="LineNr"> 983 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L985" class="LineNr"> 985 </span>  <span class="muComment"># if in is not a list, abort</span>
-<span id="L986" class="LineNr"> 986 </span>  <span class="Delimiter">{</span>
-<span id="L987" class="LineNr"> 987 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L988" class="LineNr"> 988 </span>    compare *in-type, <span class="Constant">0</span>/pair
-<span id="L989" class="LineNr"> 989 </span>    <span class="PreProc">break-if-=</span>
-<span id="L990" class="LineNr"> 990 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
-<span id="L991" class="LineNr"> 991 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L992" class="LineNr"> 992 </span>    <span class="PreProc">return</span>
-<span id="L993" class="LineNr"> 993 </span>  <span class="Delimiter">}</span>
-<span id="L994" class="LineNr"> 994 </span>  <span class="muComment"># if in is nil, abort</span>
-<span id="L995" class="LineNr"> 995 </span>  <span class="Delimiter">{</span>
-<span id="L996" class="LineNr"> 996 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in
-<span id="L997" class="LineNr"> 997 </span>    compare in-nil?, <span class="Constant">0</span>/false
-<span id="L998" class="LineNr"> 998 </span>    <span class="PreProc">break-if-=</span>
-<span id="L999" class="LineNr"> 999 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
-<span id="L1000" class="LineNr">1000 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1001" class="LineNr">1001 </span>    <span class="PreProc">return</span>
-<span id="L1002" class="LineNr">1002 </span>  <span class="Delimiter">}</span>
-<span id="L1003" class="LineNr">1003 </span>  <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L1004" class="LineNr">1004 </span>  copy-object in-left, out
-<span id="L1005" class="LineNr">1005 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1006" class="LineNr">1006 </span>  <span class="PreProc">return</span>
-<span id="L1007" class="LineNr">1007 </span><span class="Delimiter">}</span>
-<span id="L1008" class="LineNr">1008 </span>
-<span id="L1009" class="LineNr">1009 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1009'>cdr</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1010" class="LineNr">1010 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cdr&quot;</span>
-<span id="L1011" class="LineNr">1011 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L1012" class="LineNr">1012 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L1013" class="LineNr">1013 </span>  <span class="muComment"># if in is not a list, abort</span>
+<span id="L878" class="LineNr"> 878 </span>    <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get env-head, <span class="PreProc">type</span>
+<span id="L879" class="LineNr"> 879 </span>    compare *env-head-type, <span class="Constant">0</span>/pair
+<span id="L880" class="LineNr"> 880 </span>    <span class="PreProc">break-if-=</span>
+<span id="L881" class="LineNr"> 881 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;environment is not a list of (key . value) pairs&quot;</span>
+<span id="L882" class="LineNr"> 882 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L883" class="LineNr"> 883 </span>    <span class="PreProc">return</span>
+<span id="L884" class="LineNr"> 884 </span>  <span class="Delimiter">}</span>
+<span id="L885" class="LineNr"> 885 </span>  <span class="muComment"># check key</span>
+<span id="L886" class="LineNr"> 886 </span>  <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L887" class="LineNr"> 887 </span>  <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-key-storage
+<span id="L888" class="LineNr"> 888 </span>  <a href='evaluate.mu.html#L1130'>car</a> env-head, curr-key-ah, trace
+<span id="L889" class="LineNr"> 889 </span>  <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-ah
+<span id="L890" class="LineNr"> 890 </span>  <span class="muComment"># if key is not a symbol, abort</span>
+<span id="L891" class="LineNr"> 891 </span>  <span class="Delimiter">{</span>
+<span id="L892" class="LineNr"> 892 </span>    <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-key, <span class="PreProc">type</span>
+<span id="L893" class="LineNr"> 893 </span>    compare *curr-key-type, <span class="Constant">2</span>/symbol
+<span id="L894" class="LineNr"> 894 </span>    <span class="PreProc">break-if-=</span>
+<span id="L895" class="LineNr"> 895 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;environment contains a binding for a non-symbol&quot;</span>
+<span id="L896" class="LineNr"> 896 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L897" class="LineNr"> 897 </span>    <span class="PreProc">return</span>
+<span id="L898" class="LineNr"> 898 </span>  <span class="Delimiter">}</span>
+<span id="L899" class="LineNr"> 899 </span>  <span class="muComment"># if key matches sym, return val</span>
+<span id="L900" class="LineNr"> 900 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> curr-key, sym, trace
+<span id="L901" class="LineNr"> 901 </span>  compare match?, <span class="Constant">0</span>/false
+<span id="L902" class="LineNr"> 902 </span>  <span class="Delimiter">{</span>
+<span id="L903" class="LineNr"> 903 </span>    <span class="PreProc">break-if-=</span>
+<span id="L904" class="LineNr"> 904 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L905" class="LineNr"> 905 </span>    <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L906" class="LineNr"> 906 </span>    <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L907" class="LineNr"> 907 </span>    <a href='evaluate.mu.html#L1158'>cdr</a> env-head, out, nested-trace
+<span id="L908" class="Folded"> 908 </span><span class="Folded">+-- 17 lines: # trace &quot;=&gt; &quot; out &quot; (match)&quot; ----------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L925" class="LineNr"> 925 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L926" class="LineNr"> 926 </span>    <span class="PreProc">return</span>
+<span id="L927" class="LineNr"> 927 </span>  <span class="Delimiter">}</span>
+<span id="L928" class="LineNr"> 928 </span>  <span class="muComment"># otherwise recurse</span>
+<span id="L929" class="LineNr"> 929 </span>  <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L930" class="LineNr"> 930 </span>  <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-tail-storage
+<span id="L931" class="LineNr"> 931 </span>  <a href='evaluate.mu.html#L1158'>cdr</a> env, env-tail-ah, trace
+<span id="L932" class="LineNr"> 932 </span>  <a href='evaluate.mu.html#L800'>lookup-symbol</a> sym, out, *env-tail-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
+<span id="L933" class="LineNr"> 933 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L934" class="Folded"> 934 </span><span class="Folded">+-- 19 lines: # trace &quot;=&gt; &quot; out &quot; (recurse)&quot; --------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L953" class="LineNr"> 953 </span><span class="Delimiter">}</span>
+<span id="L954" class="LineNr"> 954 </span>
+<span id="L955" class="LineNr"> 955 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L955'>test-lookup-symbol-in-env</a></span> <span class="Delimiter">{</span>
+<span id="L956" class="LineNr"> 956 </span>  <span class="muComment"># tmp = (a . 3)</span>
+<span id="L957" class="LineNr"> 957 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L958" class="LineNr"> 958 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
+<span id="L959" class="LineNr"> 959 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
+<span id="L960" class="LineNr"> 960 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L961" class="LineNr"> 961 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
+<span id="L962" class="LineNr"> 962 </span>  <a href='cell.mu.html#L39'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L963" class="LineNr"> 963 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L964" class="LineNr"> 964 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L965" class="LineNr"> 965 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *key-ah, *val-ah
+<span id="L966" class="LineNr"> 966 </span>  <span class="muComment"># env = ((a . 3))</span>
+<span id="L967" class="LineNr"> 967 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L968" class="LineNr"> 968 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L969" class="LineNr"> 969 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L970" class="LineNr"> 970 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *env-ah, *nil-ah
+<span id="L971" class="LineNr"> 971 </span>  <span class="muComment"># lookup sym(a) in env tmp</span>
+<span id="L972" class="LineNr"> 972 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L973" class="LineNr"> 973 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L974" class="LineNr"> 974 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L975" class="LineNr"> 975 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L976" class="LineNr"> 976 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L977" class="LineNr"> 977 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L978" class="LineNr"> 978 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L979" class="LineNr"> 979 </span>  <a href='evaluate.mu.html#L800'>lookup-symbol</a> in, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
+<span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L982" class="LineNr"> 982 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L955'>test-lookup-symbol-in-env</a>/0&quot;</span>
+<span id="L983" class="LineNr"> 983 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
+<span id="L985" class="LineNr"> 985 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L955'>test-lookup-symbol-in-env</a>/1&quot;</span>
+<span id="L986" class="LineNr"> 986 </span><span class="Delimiter">}</span>
+<span id="L987" class="LineNr"> 987 </span>
+<span id="L988" class="LineNr"> 988 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L988'>test-lookup-symbol-in-globals</a></span> <span class="Delimiter">{</span>
+<span id="L989" class="LineNr"> 989 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L990" class="LineNr"> 990 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L991" class="LineNr"> 991 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L992" class="LineNr"> 992 </span>  <span class="muComment"># env = nil</span>
+<span id="L993" class="LineNr"> 993 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L994" class="LineNr"> 994 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L995" class="LineNr"> 995 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L996" class="LineNr"> 996 </span>  <span class="muComment"># lookup sym(a), env</span>
+<span id="L997" class="LineNr"> 997 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L998" class="LineNr"> 998 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L999" class="LineNr"> 999 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;+&quot;</span>
+<span id="L1000" class="LineNr">1000 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1001" class="LineNr">1001 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1002" class="LineNr">1002 </span>  <span class="PreProc">var</span> trace/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1003" class="LineNr">1003 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1004" class="LineNr">1004 </span>  <a href='evaluate.mu.html#L800'>lookup-symbol</a> in, tmp-ah, *nil-ah, globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
+<span id="L1005" class="LineNr">1005 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1006" class="LineNr">1006 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1007" class="LineNr">1007 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L988'>test-lookup-symbol-in-globals</a>/0&quot;</span>
+<span id="L1008" class="LineNr">1008 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
+<span id="L1009" class="LineNr">1009 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L988'>test-lookup-symbol-in-globals</a>/1&quot;</span>
+<span id="L1010" class="LineNr">1010 </span><span class="Delimiter">}</span>
+<span id="L1011" class="LineNr">1011 </span>
+<span id="L1012" class="LineNr">1012 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1012'>mutate-binding</a></span> name: (addr stream byte), val: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L1013" class="LineNr">1013 </span>  <span class="muComment"># trace name</span>
 <span id="L1014" class="LineNr">1014 </span>  <span class="Delimiter">{</span>
-<span id="L1015" class="LineNr">1015 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L1016" class="LineNr">1016 </span>    compare *in-type, <span class="Constant">0</span>/pair
+<span id="L1015" class="LineNr">1015 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> trace
+<span id="L1016" class="LineNr">1016 </span>    compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
 <span id="L1017" class="LineNr">1017 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1018" class="LineNr">1018 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
-<span id="L1019" class="LineNr">1019 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1020" class="LineNr">1020 </span>    <span class="PreProc">return</span>
-<span id="L1021" class="LineNr">1021 </span>  <span class="Delimiter">}</span>
-<span id="L1022" class="LineNr">1022 </span>  <span class="muComment"># if in is nil, abort</span>
-<span id="L1023" class="LineNr">1023 </span>  <span class="Delimiter">{</span>
-<span id="L1024" class="LineNr">1024 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in
-<span id="L1025" class="LineNr">1025 </span>    compare in-nil?, <span class="Constant">0</span>/false
-<span id="L1026" class="LineNr">1026 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1027" class="LineNr">1027 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
-<span id="L1028" class="LineNr">1028 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1029" class="LineNr">1029 </span>    <span class="PreProc">return</span>
-<span id="L1030" class="LineNr">1030 </span>  <span class="Delimiter">}</span>
-<span id="L1031" class="LineNr">1031 </span>  <span class="PreProc">var</span> in-right/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L1032" class="LineNr">1032 </span>  copy-object in-right, out
-<span id="L1033" class="LineNr">1033 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1034" class="LineNr">1034 </span>  <span class="PreProc">return</span>
-<span id="L1035" class="LineNr">1035 </span><span class="Delimiter">}</span>
-<span id="L1036" class="LineNr">1036 </span>
-<span id="L1037" class="LineNr">1037 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1037'>cell-isomorphic?</a></span> _a: (addr <a href='cell.mu.html#L1'>cell</a>), _b: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1038" class="LineNr">1038 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cell-isomorphic?&quot;</span>
-<span id="L1039" class="LineNr">1039 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L1040" class="LineNr">1040 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a
-<span id="L1041" class="LineNr">1041 </span>  <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _b
-<span id="L1042" class="LineNr">1042 </span>  <span class="muComment"># if types don't match, return false</span>
-<span id="L1043" class="LineNr">1043 </span>  <span class="PreProc">var</span> a-type-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get a, <span class="PreProc">type</span>
-<span id="L1044" class="LineNr">1044 </span>  <span class="PreProc">var</span> b-type-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get b, <span class="PreProc">type</span>
-<span id="L1045" class="LineNr">1045 </span>  <span class="PreProc">var</span> b-type/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *b-type-addr
-<span id="L1046" class="LineNr">1046 </span>  compare b-type, *a-type-addr
+<span id="L1018" class="LineNr">1018 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>)  <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
+<span id="L1019" class="LineNr">1019 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L1020" class="LineNr">1020 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;bind &quot;</span>
+<span id="L1021" class="LineNr">1021 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> name
+<span id="L1022" class="LineNr">1022 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, name
+<span id="L1023" class="LineNr">1023 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; to &quot;</span>
+<span id="L1024" class="LineNr">1024 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L1025" class="LineNr">1025 </span>    <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L1026" class="LineNr">1026 </span>    <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1027" class="LineNr">1027 </span>    <a href='print.mu.html#L7'>print-cell</a> val, stream, nested-trace
+<span id="L1028" class="LineNr">1028 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; in &quot;</span>
+<span id="L1029" class="LineNr">1029 </span>    <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
+<span id="L1030" class="LineNr">1030 </span>    <a href='trace.mu.html#L69'>clear-trace</a> nested-trace
+<span id="L1031" class="LineNr">1031 </span>    <a href='print.mu.html#L7'>print-cell</a> env-ah, stream, nested-trace
+<span id="L1032" class="LineNr">1032 </span>    trace trace, <span class="Constant">&quot;eval&quot;</span>, stream
+<span id="L1033" class="LineNr">1033 </span>  <span class="Delimiter">}</span>
+<span id="L1034" class="LineNr">1034 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L1035" class="LineNr">1035 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> env-h
+<span id="L1036" class="LineNr">1036 </span>  <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
+<span id="L1037" class="LineNr">1037 </span>  <span class="muComment"># if env is not a list, abort</span>
+<span id="L1038" class="LineNr">1038 </span>  <span class="Delimiter">{</span>
+<span id="L1039" class="LineNr">1039 </span>    <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get env, <span class="PreProc">type</span>
+<span id="L1040" class="LineNr">1040 </span>    compare *env-type, <span class="Constant">0</span>/pair
+<span id="L1041" class="LineNr">1041 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1042" class="LineNr">1042 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;eval found a non-list environment&quot;</span>
+<span id="L1043" class="LineNr">1043 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1044" class="LineNr">1044 </span>    <span class="PreProc">return</span>
+<span id="L1045" class="LineNr">1045 </span>  <span class="Delimiter">}</span>
+<span id="L1046" class="LineNr">1046 </span>  <span class="muComment"># if env is nil, look in globals</span>
 <span id="L1047" class="LineNr">1047 </span>  <span class="Delimiter">{</span>
-<span id="L1048" class="LineNr">1048 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1049" class="LineNr">1049 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1050" class="LineNr">1050 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (type)&quot;</span>
-<span id="L1051" class="LineNr">1051 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1052" class="LineNr">1052 </span>  <span class="Delimiter">}</span>
-<span id="L1053" class="LineNr">1053 </span>  <span class="muComment"># if types are number, compare number-data</span>
-<span id="L1054" class="LineNr">1054 </span>  <span class="muComment"># TODO: exactly comparing floats is a bad idea</span>
-<span id="L1055" class="LineNr">1055 </span>  compare b-type, <span class="Constant">1</span>/number
-<span id="L1056" class="LineNr">1056 </span>  <span class="Delimiter">{</span>
-<span id="L1057" class="LineNr">1057 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1058" class="LineNr">1058 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a, number-data
-<span id="L1059" class="LineNr">1059 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get b, number-data
-<span id="L1060" class="LineNr">1060 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy *a-val-addr
-<span id="L1061" class="LineNr">1061 </span>    compare a-val, *b-val-addr
-<span id="L1062" class="LineNr">1062 </span>    <span class="Delimiter">{</span>
-<span id="L1063" class="LineNr">1063 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1064" class="LineNr">1064 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1065" class="LineNr">1065 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (numbers)&quot;</span>
-<span id="L1066" class="LineNr">1066 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1067" class="LineNr">1067 </span>    <span class="Delimiter">}</span>
-<span id="L1068" class="LineNr">1068 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1069" class="LineNr">1069 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (numbers)&quot;</span>
-<span id="L1070" class="LineNr">1070 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L1071" class="LineNr">1071 </span>  <span class="Delimiter">}</span>
-<span id="L1072" class="LineNr">1072 </span>  $cell-isomorphic?:text-data: <span class="Delimiter">{</span>
-<span id="L1073" class="LineNr">1073 </span>    <span class="Delimiter">{</span>
-<span id="L1074" class="LineNr">1074 </span>      compare b-type, <span class="Constant">2</span>/symbol
-<span id="L1075" class="LineNr">1075 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1076" class="LineNr">1076 </span>      compare b-type, <span class="Constant">3</span>/stream
-<span id="L1077" class="LineNr">1077 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1078" class="LineNr">1078 </span>      <span class="PreProc">break</span> $cell-isomorphic?:text-data
-<span id="L1079" class="LineNr">1079 </span>    <span class="Delimiter">}</span>
-<span id="L1080" class="LineNr">1080 </span>    <span class="PreProc">var</span> b-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get b, text-data
-<span id="L1081" class="LineNr">1081 </span>    <span class="PreProc">var</span> _b-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-val-ah
-<span id="L1082" class="LineNr">1082 </span>    <span class="PreProc">var</span> b-val/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _b-val
-<span id="L1083" class="LineNr">1083 </span>    <span class="PreProc">var</span> a-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get a, text-data
-<span id="L1084" class="LineNr">1084 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-val-ah
-<span id="L1085" class="LineNr">1085 </span>    <span class="PreProc">var</span> tmp-array: (handle array byte)
-<span id="L1086" class="LineNr">1086 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special">&lt;-</span> address tmp-array
-<span id="L1087" class="LineNr">1087 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> a-val
-<span id="L1088" class="LineNr">1088 </span>    <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> a-val, tmp-ah
-<span id="L1089" class="LineNr">1089 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1090" class="LineNr">1090 </span>    <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> b-val, tmp
-<span id="L1091" class="LineNr">1091 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1092" class="LineNr">1092 </span>    <span class="Delimiter">{</span>
-<span id="L1093" class="LineNr">1093 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L1094" class="LineNr">1094 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1095" class="LineNr">1095 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (symbols)&quot;</span>
-<span id="L1096" class="LineNr">1096 </span>    <span class="Delimiter">}</span>
-<span id="L1097" class="LineNr">1097 </span>    <span class="Delimiter">{</span>
-<span id="L1098" class="LineNr">1098 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L1099" class="LineNr">1099 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L1100" class="LineNr">1100 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (symbols)&quot;</span>
-<span id="L1101" class="LineNr">1101 </span>    <span class="Delimiter">}</span>
-<span id="L1102" class="LineNr">1102 </span>    <span class="PreProc">return</span> match?
-<span id="L1103" class="LineNr">1103 </span>  <span class="Delimiter">}</span>
-<span id="L1104" class="LineNr">1104 </span>  <span class="muComment"># if objects are primitive functions, compare index-data</span>
-<span id="L1105" class="LineNr">1105 </span>  compare b-type, <span class="Constant">4</span>/primitive
-<span id="L1106" class="LineNr">1106 </span>  <span class="Delimiter">{</span>
-<span id="L1107" class="LineNr">1107 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1108" class="LineNr">1108 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get a, index-data
-<span id="L1109" class="LineNr">1109 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get b, index-data
-<span id="L1110" class="LineNr">1110 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *a-val-addr
-<span id="L1111" class="LineNr">1111 </span>    compare a-val, *b-val-addr
-<span id="L1112" class="LineNr">1112 </span>    <span class="Delimiter">{</span>
-<span id="L1113" class="LineNr">1113 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1114" class="LineNr">1114 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1115" class="LineNr">1115 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (primitives)&quot;</span>
-<span id="L1116" class="LineNr">1116 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1117" class="LineNr">1117 </span>    <span class="Delimiter">}</span>
-<span id="L1118" class="LineNr">1118 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1119" class="LineNr">1119 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (primitives)&quot;</span>
-<span id="L1120" class="LineNr">1120 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1048" class="LineNr">1048 </span>    <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> env
+<span id="L1049" class="LineNr">1049 </span>    compare env-nil?, <span class="Constant">0</span>/false
+<span id="L1050" class="LineNr">1050 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1051" class="LineNr">1051 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;b&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1052" class="LineNr">1052 </span>    <a href='global.mu.html#L487'>mutate-binding-in-globals</a> name, val, globals, trace
+<span id="L1053" class="LineNr">1053 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;x&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1054" class="LineNr">1054 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1055" class="Folded">1055 </span><span class="Folded">+-- 19 lines: # trace &quot;=&gt; &quot; val &quot; (global)&quot; ---------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L1074" class="LineNr">1074 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;y&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1075" class="LineNr">1075 </span>    <span class="PreProc">return</span>
+<span id="L1076" class="LineNr">1076 </span>  <span class="Delimiter">}</span>
+<span id="L1077" class="LineNr">1077 </span>  <span class="muComment"># check car</span>
+<span id="L1078" class="LineNr">1078 </span>  <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1079" class="LineNr">1079 </span>  <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-head-storage
+<span id="L1080" class="LineNr">1080 </span>  <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L1081" class="LineNr">1081 </span>  <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L1082" class="LineNr">1082 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1083" class="LineNr">1083 </span>  <a href='evaluate.mu.html#L1130'>car</a> env, env-head-ah, nested-trace
+<span id="L1084" class="LineNr">1084 </span>  <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *env-head-ah
+<span id="L1085" class="LineNr">1085 </span>  <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env-head
+<span id="L1086" class="LineNr">1086 </span>  <span class="muComment"># if car is not a list, abort</span>
+<span id="L1087" class="LineNr">1087 </span>  <span class="Delimiter">{</span>
+<span id="L1088" class="LineNr">1088 </span>    <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get env-head, <span class="PreProc">type</span>
+<span id="L1089" class="LineNr">1089 </span>    compare *env-head-type, <span class="Constant">0</span>/pair
+<span id="L1090" class="LineNr">1090 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1091" class="LineNr">1091 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;environment is not a list of (key . value) pairs&quot;</span>
+<span id="L1092" class="LineNr">1092 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1093" class="LineNr">1093 </span>    <span class="PreProc">return</span>
+<span id="L1094" class="LineNr">1094 </span>  <span class="Delimiter">}</span>
+<span id="L1095" class="LineNr">1095 </span>  <span class="muComment"># check key</span>
+<span id="L1096" class="LineNr">1096 </span>  <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1097" class="LineNr">1097 </span>  <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-key-storage
+<span id="L1098" class="LineNr">1098 </span>  <a href='evaluate.mu.html#L1130'>car</a> env-head, curr-key-ah, trace
+<span id="L1099" class="LineNr">1099 </span>  <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-ah
+<span id="L1100" class="LineNr">1100 </span>  <span class="muComment"># if key is not a symbol, abort</span>
+<span id="L1101" class="LineNr">1101 </span>  <span class="Delimiter">{</span>
+<span id="L1102" class="LineNr">1102 </span>    <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-key, <span class="PreProc">type</span>
+<span id="L1103" class="LineNr">1103 </span>    compare *curr-key-type, <span class="Constant">2</span>/symbol
+<span id="L1104" class="LineNr">1104 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1105" class="LineNr">1105 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;environment contains a binding for a non-symbol&quot;</span>
+<span id="L1106" class="LineNr">1106 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1107" class="LineNr">1107 </span>    <span class="PreProc">return</span>
+<span id="L1108" class="LineNr">1108 </span>  <span class="Delimiter">}</span>
+<span id="L1109" class="LineNr">1109 </span>  <span class="muComment"># if key matches name, return val</span>
+<span id="L1110" class="LineNr">1110 </span>  <span class="PreProc">var</span> curr-key-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-key, text-data
+<span id="L1111" class="LineNr">1111 </span>  <span class="PreProc">var</span> curr-key-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-key-data-ah
+<span id="L1112" class="LineNr">1112 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L211'>streams-data-equal?</a> curr-key-data, name
+<span id="L1113" class="LineNr">1113 </span>  compare match?, <span class="Constant">0</span>/false
+<span id="L1114" class="LineNr">1114 </span>  <span class="Delimiter">{</span>
+<span id="L1115" class="LineNr">1115 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1116" class="LineNr">1116 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get env-head, right
+<span id="L1117" class="LineNr">1117 </span>    copy-object val, dest
+<span id="L1118" class="LineNr">1118 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; done&quot;</span>
+<span id="L1119" class="LineNr">1119 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1120" class="LineNr">1120 </span>    <span class="PreProc">return</span>
 <span id="L1121" class="LineNr">1121 </span>  <span class="Delimiter">}</span>
-<span id="L1122" class="LineNr">1122 </span>  <span class="muComment"># if objects are screens, check if they're the same object</span>
-<span id="L1123" class="LineNr">1123 </span>  compare b-type, <span class="Constant">5</span>/screen
-<span id="L1124" class="LineNr">1124 </span>  <span class="Delimiter">{</span>
-<span id="L1125" class="LineNr">1125 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1126" class="LineNr">1126 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get a, screen-data
-<span id="L1127" class="LineNr">1127 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get b, screen-data
-<span id="L1128" class="LineNr">1128 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L448'>handle-equal?</a> *a-val-addr, *b-val-addr
-<span id="L1129" class="LineNr">1129 </span>    compare result, <span class="Constant">0</span>/false
-<span id="L1130" class="LineNr">1130 </span>    <span class="PreProc">return</span> result
-<span id="L1131" class="LineNr">1131 </span>  <span class="Delimiter">}</span>
-<span id="L1132" class="LineNr">1132 </span>  <span class="muComment"># if objects are keyboards, check if they have the same contents</span>
-<span id="L1133" class="LineNr">1133 </span>  compare b-type, <span class="Constant">6</span>/keyboard
-<span id="L1134" class="LineNr">1134 </span>  <span class="Delimiter">{</span>
-<span id="L1135" class="LineNr">1135 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1136" class="LineNr">1136 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get a, keyboard-data
-<span id="L1137" class="LineNr">1137 </span>    <span class="PreProc">var</span> _a/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-val-addr
-<span id="L1138" class="LineNr">1138 </span>    <span class="PreProc">var</span> a/<span class="Constant">ecx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _a
-<span id="L1139" class="LineNr">1139 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get b, keyboard-data
-<span id="L1140" class="LineNr">1140 </span>    <span class="PreProc">var</span> b/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-val-addr
-<span id="L1141" class="LineNr">1141 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L398'>gap-buffers-equal?</a> a, b
-<span id="L1142" class="LineNr">1142 </span>    <span class="PreProc">return</span> result
-<span id="L1143" class="LineNr">1143 </span>  <span class="Delimiter">}</span>
-<span id="L1144" class="LineNr">1144 </span>  <span class="muComment"># if a is nil, b should be nil</span>
-<span id="L1145" class="LineNr">1145 </span>  <span class="Delimiter">{</span>
-<span id="L1146" class="LineNr">1146 </span>    <span class="muComment"># (assumes nil? returns 0 or 1)</span>
-<span id="L1147" class="LineNr">1147 </span>    <span class="PreProc">var</span> _b-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> b
-<span id="L1148" class="LineNr">1148 </span>    <span class="PreProc">var</span> b-nil?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy _b-nil?
-<span id="L1149" class="LineNr">1149 </span>    <span class="PreProc">var</span> a-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> a
-<span id="L1150" class="LineNr">1150 </span>    <span class="muComment"># a == nil and b == nil =&gt; return true</span>
-<span id="L1151" class="LineNr">1151 </span>    <span class="Delimiter">{</span>
-<span id="L1152" class="LineNr">1152 </span>      compare a-nil?, <span class="Constant">0</span>/false
-<span id="L1153" class="LineNr">1153 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1154" class="LineNr">1154 </span>      compare b-nil?, <span class="Constant">0</span>/false
-<span id="L1155" class="LineNr">1155 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1156" class="LineNr">1156 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1157" class="LineNr">1157 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (nils)&quot;</span>
-<span id="L1158" class="LineNr">1158 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L1159" class="LineNr">1159 </span>    <span class="Delimiter">}</span>
-<span id="L1160" class="LineNr">1160 </span>    <span class="muComment"># a == nil =&gt; return false</span>
-<span id="L1161" class="LineNr">1161 </span>    <span class="Delimiter">{</span>
-<span id="L1162" class="LineNr">1162 </span>      compare a-nil?, <span class="Constant">0</span>/false
-<span id="L1163" class="LineNr">1163 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1164" class="LineNr">1164 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1165" class="LineNr">1165 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (b != <a href='cell.mu.html#L121'>nil</a>)&quot;</span>
-<span id="L1166" class="LineNr">1166 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1167" class="LineNr">1167 </span>    <span class="Delimiter">}</span>
-<span id="L1168" class="LineNr">1168 </span>    <span class="muComment"># b == nil =&gt; return false</span>
-<span id="L1169" class="LineNr">1169 </span>    <span class="Delimiter">{</span>
-<span id="L1170" class="LineNr">1170 </span>      compare b-nil?, <span class="Constant">0</span>/false
-<span id="L1171" class="LineNr">1171 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1172" class="LineNr">1172 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1173" class="LineNr">1173 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (a != <a href='cell.mu.html#L121'>nil</a>)&quot;</span>
-<span id="L1174" class="LineNr">1174 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1175" class="LineNr">1175 </span>    <span class="Delimiter">}</span>
-<span id="L1176" class="LineNr">1176 </span>  <span class="Delimiter">}</span>
-<span id="L1177" class="LineNr">1177 </span>  <span class="muComment"># a and b are pairs</span>
-<span id="L1178" class="LineNr">1178 </span>  <span class="PreProc">var</span> a-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1179" class="LineNr">1179 </span>  <span class="PreProc">var</span> a-tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-tmp-storage
-<span id="L1180" class="LineNr">1180 </span>  <span class="PreProc">var</span> b-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1181" class="LineNr">1181 </span>  <span class="PreProc">var</span> b-tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-tmp-storage
-<span id="L1182" class="LineNr">1182 </span>  <span class="muComment"># if cars aren't equal, return false</span>
-<span id="L1183" class="LineNr">1183 </span>  <a href='evaluate.mu.html#L981'>car</a> a, a-tmp-ah, trace
-<span id="L1184" class="LineNr">1184 </span>  <a href='evaluate.mu.html#L981'>car</a> b, b-tmp-ah, trace
-<span id="L1185" class="LineNr">1185 </span>  <span class="Delimiter">{</span>
-<span id="L1186" class="LineNr">1186 </span>    <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-tmp-ah
-<span id="L1187" class="LineNr">1187 </span>    <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
-<span id="L1188" class="LineNr">1188 </span>    <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-tmp-ah
-<span id="L1189" class="LineNr">1189 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> a-tmp, b-tmp, trace
-<span id="L1190" class="LineNr">1190 </span>    compare result, <span class="Constant">0</span>/false
-<span id="L1191" class="LineNr">1191 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1192" class="LineNr">1192 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1193" class="LineNr">1193 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (<a href='evaluate.mu.html#L981'>car</a> mismatch)&quot;</span>
-<span id="L1194" class="LineNr">1194 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1195" class="LineNr">1195 </span>  <span class="Delimiter">}</span>
-<span id="L1196" class="LineNr">1196 </span>  <span class="muComment"># recurse on cdrs</span>
-<span id="L1197" class="LineNr">1197 </span>  <a href='evaluate.mu.html#L1009'>cdr</a> a, a-tmp-ah, trace
-<span id="L1198" class="LineNr">1198 </span>  <a href='evaluate.mu.html#L1009'>cdr</a> b, b-tmp-ah, trace
-<span id="L1199" class="LineNr">1199 </span>  <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-tmp-ah
-<span id="L1200" class="LineNr">1200 </span>  <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
-<span id="L1201" class="LineNr">1201 </span>  <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-tmp-ah
-<span id="L1202" class="LineNr">1202 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> a-tmp, b-tmp, trace
-<span id="L1203" class="LineNr">1203 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1204" class="LineNr">1204 </span>  <span class="PreProc">return</span> result
-<span id="L1205" class="LineNr">1205 </span><span class="Delimiter">}</span>
-<span id="L1206" class="LineNr">1206 </span>
-<span id="L1207" class="LineNr">1207 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1207'>fn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1208" class="LineNr">1208 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
-<span id="L1209" class="LineNr">1209 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
-<span id="L1210" class="LineNr">1210 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
-<span id="L1211" class="LineNr">1211 </span>  <span class="Delimiter">{</span>
-<span id="L1212" class="LineNr">1212 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1213" class="LineNr">1213 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1214" class="LineNr">1214 </span>  <span class="Delimiter">}</span>
-<span id="L1215" class="LineNr">1215 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
-<span id="L1216" class="LineNr">1216 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
-<span id="L1217" class="LineNr">1217 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;fn&quot;</span>
-<span id="L1218" class="LineNr">1218 </span>  <span class="PreProc">return</span> result
-<span id="L1219" class="LineNr">1219 </span><span class="Delimiter">}</span>
-<span id="L1220" class="LineNr">1220 </span>
-<span id="L1221" class="LineNr">1221 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1221'>litfn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1222" class="LineNr">1222 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
-<span id="L1223" class="LineNr">1223 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
-<span id="L1224" class="LineNr">1224 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
-<span id="L1225" class="LineNr">1225 </span>  <span class="Delimiter">{</span>
-<span id="L1226" class="LineNr">1226 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1227" class="LineNr">1227 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1228" class="LineNr">1228 </span>  <span class="Delimiter">}</span>
-<span id="L1229" class="LineNr">1229 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
-<span id="L1230" class="LineNr">1230 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
-<span id="L1231" class="LineNr">1231 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;litfn&quot;</span>
-<span id="L1232" class="LineNr">1232 </span>  <span class="PreProc">return</span> result
-<span id="L1233" class="LineNr">1233 </span><span class="Delimiter">}</span>
-<span id="L1234" class="LineNr">1234 </span>
-<span id="L1235" class="LineNr">1235 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1235'>litmac?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1236" class="LineNr">1236 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
-<span id="L1237" class="LineNr">1237 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
-<span id="L1238" class="LineNr">1238 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
-<span id="L1239" class="LineNr">1239 </span>  <span class="Delimiter">{</span>
-<span id="L1240" class="LineNr">1240 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1241" class="LineNr">1241 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L1242" class="LineNr">1242 </span>  <span class="Delimiter">}</span>
-<span id="L1243" class="LineNr">1243 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
-<span id="L1244" class="LineNr">1244 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
-<span id="L1245" class="LineNr">1245 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;litmac&quot;</span>
-<span id="L1246" class="LineNr">1246 </span>  <span class="PreProc">return</span> result
-<span id="L1247" class="LineNr">1247 </span><span class="Delimiter">}</span>
-<span id="L1248" class="LineNr">1248 </span>
-<span id="L1249" class="LineNr">1249 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1249'>test-evaluate-is-well-behaved</a></span> <span class="Delimiter">{</span>
-<span id="L1250" class="LineNr">1250 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1251" class="LineNr">1251 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1252" class="LineNr">1252 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L1253" class="LineNr">1253 </span>  <span class="muComment"># env = nil</span>
-<span id="L1254" class="LineNr">1254 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1255" class="LineNr">1255 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L1256" class="LineNr">1256 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> env-ah
-<span id="L1257" class="LineNr">1257 </span>  <span class="muComment"># eval sym(a), nil env</span>
-<span id="L1258" class="LineNr">1258 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1259" class="LineNr">1259 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1260" class="LineNr">1260 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1261" class="LineNr">1261 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1262" class="LineNr">1262 </span>  <span class="muComment"># doesn't die</span>
-<span id="L1263" class="LineNr">1263 </span>  <a href='trace.mu.html#L194'>check-trace-contains</a> t, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;unbound symbol: a&quot;</span>, <span class="Constant">&quot;F - test-evaluate-is-well-behaved&quot;</span>
-<span id="L1264" class="LineNr">1264 </span><span class="Delimiter">}</span>
-<span id="L1265" class="LineNr">1265 </span>
-<span id="L1266" class="LineNr">1266 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1266'>test-evaluate-number</a></span> <span class="Delimiter">{</span>
-<span id="L1267" class="LineNr">1267 </span>  <span class="muComment"># env = nil</span>
-<span id="L1268" class="LineNr">1268 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1269" class="LineNr">1269 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L1270" class="LineNr">1270 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> env-ah
-<span id="L1271" class="LineNr">1271 </span>  <span class="muComment"># tmp = 3</span>
-<span id="L1272" class="LineNr">1272 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1273" class="LineNr">1273 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1274" class="LineNr">1274 </span>  <a href='cell.mu.html#L84'>new-integer</a> tmp-ah, <span class="Constant">3</span>
-<span id="L1275" class="LineNr">1275 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1276" class="LineNr">1276 </span>  <span class="muComment">#</span>
-<span id="L1277" class="LineNr">1277 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1278" class="LineNr">1278 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1279" class="LineNr">1279 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1266'>test-evaluate-number</a>/0&quot;</span>
-<span id="L1280" class="LineNr">1280 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L1281" class="LineNr">1281 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L1282" class="LineNr">1282 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1266'>test-evaluate-number</a>/1&quot;</span>
-<span id="L1283" class="LineNr">1283 </span><span class="Delimiter">}</span>
-<span id="L1284" class="LineNr">1284 </span>
-<span id="L1285" class="LineNr">1285 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1285'>test-evaluate-symbol</a></span> <span class="Delimiter">{</span>
-<span id="L1286" class="LineNr">1286 </span>  <span class="muComment"># tmp = (a . 3)</span>
-<span id="L1287" class="LineNr">1287 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1288" class="LineNr">1288 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
-<span id="L1289" class="LineNr">1289 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L1290" class="LineNr">1290 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1291" class="LineNr">1291 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
-<span id="L1292" class="LineNr">1292 </span>  <a href='cell.mu.html#L39'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1293" class="LineNr">1293 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1294" class="LineNr">1294 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L1295" class="LineNr">1295 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *key-ah, *val-ah
-<span id="L1296" class="LineNr">1296 </span>  <span class="muComment"># env = ((a . 3))</span>
-<span id="L1297" class="LineNr">1297 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1298" class="LineNr">1298 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1299" class="LineNr">1299 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1300" class="LineNr">1300 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *env-ah, *nil-ah
-<span id="L1301" class="LineNr">1301 </span>  <span class="muComment"># eval sym(a), env</span>
-<span id="L1302" class="LineNr">1302 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1303" class="LineNr">1303 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1304" class="LineNr">1304 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1305" class="LineNr">1305 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1306" class="LineNr">1306 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1307" class="LineNr">1307 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1308" class="LineNr">1308 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1285'>test-evaluate-symbol</a>/0&quot;</span>
-<span id="L1309" class="LineNr">1309 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L1310" class="LineNr">1310 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L1311" class="LineNr">1311 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1285'>test-evaluate-symbol</a>/1&quot;</span>
-<span id="L1312" class="LineNr">1312 </span><span class="Delimiter">}</span>
-<span id="L1313" class="LineNr">1313 </span>
-<span id="L1314" class="LineNr">1314 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1314'>test-evaluate-quote</a></span> <span class="Delimiter">{</span>
-<span id="L1315" class="LineNr">1315 </span>  <span class="muComment"># env = nil</span>
-<span id="L1316" class="LineNr">1316 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1317" class="LineNr">1317 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1318" class="LineNr">1318 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1319" class="LineNr">1319 </span>  <span class="muComment"># eval `a, env</span>
-<span id="L1320" class="LineNr">1320 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1321" class="LineNr">1321 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1322" class="LineNr">1322 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;'&quot;</span>
-<span id="L1323" class="LineNr">1323 </span>  <span class="PreProc">var</span> tmp2-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1324" class="LineNr">1324 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-storage
-<span id="L1325" class="LineNr">1325 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp2-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1326" class="LineNr">1326 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *tmp-ah, *tmp2-ah
-<span id="L1327" class="LineNr">1327 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1328" class="LineNr">1328 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1329" class="LineNr">1329 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1330" class="LineNr">1330 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">2</span>/symbol, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1314'>test-evaluate-quote</a>/0&quot;</span>
-<span id="L1331" class="LineNr">1331 </span>  <span class="PreProc">var</span> sym?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> result, <span class="Constant">&quot;a&quot;</span>
-<span id="L1332" class="LineNr">1332 </span>  <a href='../502test.mu.html#L19'>check</a> sym?, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1314'>test-evaluate-quote</a>/1&quot;</span>
-<span id="L1333" class="LineNr">1333 </span><span class="Delimiter">}</span>
-<span id="L1334" class="LineNr">1334 </span>
-<span id="L1335" class="LineNr">1335 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1335'>test-evaluate-primitive-function</a></span> <span class="Delimiter">{</span>
-<span id="L1336" class="LineNr">1336 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L1337" class="LineNr">1337 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L1338" class="LineNr">1338 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L1339" class="LineNr">1339 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1340" class="LineNr">1340 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1341" class="LineNr">1341 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1342" class="LineNr">1342 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1343" class="LineNr">1343 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
-<span id="L1344" class="LineNr">1344 </span>  <a href='cell.mu.html#L39'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L1345" class="LineNr">1345 </span>  <span class="muComment"># eval +, nil env</span>
-<span id="L1346" class="LineNr">1346 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1347" class="LineNr">1347 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1348" class="LineNr">1348 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> add-ah, tmp-ah, *nil-ah, globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1349" class="LineNr">1349 </span>  <span class="muComment">#</span>
-<span id="L1350" class="LineNr">1350 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1351" class="LineNr">1351 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1352" class="LineNr">1352 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1335'>test-evaluate-primitive-function</a>/0&quot;</span>
-<span id="L1353" class="LineNr">1353 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
-<span id="L1354" class="LineNr">1354 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1335'>test-evaluate-primitive-function</a>/1&quot;</span>
-<span id="L1355" class="LineNr">1355 </span><span class="Delimiter">}</span>
-<span id="L1356" class="LineNr">1356 </span>
-<span id="L1357" class="LineNr">1357 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1357'>test-evaluate-primitive-function-call</a></span> <span class="Delimiter">{</span>
-<span id="L1358" class="LineNr">1358 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1359" class="LineNr">1359 </span>  <span class="PreProc">var</span> t/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1360" class="LineNr">1360 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x100</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L1361" class="LineNr">1361 </span>  <span class="muComment">#</span>
-<span id="L1362" class="LineNr">1362 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1363" class="LineNr">1363 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1364" class="LineNr">1364 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1365" class="LineNr">1365 </span>  <span class="PreProc">var</span> one-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1366" class="LineNr">1366 </span>  <span class="PreProc">var</span> one-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address one-storage
-<span id="L1367" class="LineNr">1367 </span>  <a href='cell.mu.html#L84'>new-integer</a> one-ah, <span class="Constant">1</span>
-<span id="L1368" class="LineNr">1368 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1369" class="LineNr">1369 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
-<span id="L1370" class="LineNr">1370 </span>  <a href='cell.mu.html#L39'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L1371" class="LineNr">1371 </span>  <span class="muComment"># input is (+ 1 1)</span>
-<span id="L1372" class="LineNr">1372 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1373" class="LineNr">1373 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1374" class="LineNr">1374 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *one-ah, *nil-ah
-<span id="L1375" class="LineNr">1375 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *one-ah, *tmp-ah
-<span id="L1376" class="LineNr">1376 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *add-ah, *tmp-ah
-<span id="L1377" class="LineNr">1377 </span><span class="CommentedCode">#?   dump-cell tmp-ah</span>
-<span id="L1378" class="LineNr">1378 </span>  <span class="muComment">#</span>
-<span id="L1379" class="LineNr">1379 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L1380" class="LineNr">1380 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L1381" class="LineNr">1381 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L1382" class="LineNr">1382 </span>  <span class="muComment">#</span>
-<span id="L1383" class="LineNr">1383 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1384" class="LineNr">1384 </span><span class="CommentedCode">#?   dump-trace t</span>
-<span id="L1385" class="LineNr">1385 </span>  <span class="muComment">#</span>
-<span id="L1386" class="LineNr">1386 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1387" class="LineNr">1387 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1388" class="LineNr">1388 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1357'>test-evaluate-primitive-function-call</a>/0&quot;</span>
-<span id="L1389" class="LineNr">1389 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L1390" class="LineNr">1390 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L1391" class="LineNr">1391 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1357'>test-evaluate-primitive-function-call</a>/1&quot;</span>
-<span id="L1392" class="LineNr">1392 </span><span class="Delimiter">}</span>
-<span id="L1393" class="LineNr">1393 </span>
-<span id="L1394" class="LineNr">1394 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1394'>test-evaluate-backquote</a></span> <span class="Delimiter">{</span>
-<span id="L1395" class="LineNr">1395 </span>  <span class="muComment"># env = nil</span>
-<span id="L1396" class="LineNr">1396 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1397" class="LineNr">1397 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1398" class="LineNr">1398 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1399" class="LineNr">1399 </span>  <span class="muComment"># eval `a, env</span>
-<span id="L1400" class="LineNr">1400 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1401" class="LineNr">1401 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1402" class="LineNr">1402 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;`&quot;</span>
-<span id="L1403" class="LineNr">1403 </span>  <span class="PreProc">var</span> tmp2-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1404" class="LineNr">1404 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-storage
-<span id="L1405" class="LineNr">1405 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp2-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1406" class="LineNr">1406 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *tmp-ah, *tmp2-ah
-<span id="L1407" class="LineNr">1407 </span>  clear-object tmp2-ah
-<span id="L1408" class="LineNr">1408 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp2-ah, *nil-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1409" class="LineNr">1409 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp2-ah
-<span id="L1410" class="LineNr">1410 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1411" class="LineNr">1411 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">2</span>/symbol, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1394'>test-evaluate-backquote</a>/0&quot;</span>
-<span id="L1412" class="LineNr">1412 </span>  <span class="PreProc">var</span> sym?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> result, <span class="Constant">&quot;a&quot;</span>
-<span id="L1413" class="LineNr">1413 </span>  <a href='../502test.mu.html#L19'>check</a> sym?, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1394'>test-evaluate-backquote</a>/1&quot;</span>
-<span id="L1414" class="LineNr">1414 </span><span class="Delimiter">}</span>
-<span id="L1415" class="LineNr">1415 </span>
-<span id="L1416" class="LineNr">1416 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1416'>evaluate-backquote</a></span> _in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _out-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
-<span id="L1417" class="LineNr">1417 </span>  <span class="muComment"># stack overflow?   # disable when enabling Really-debug-print</span>
-<span id="L1418" class="LineNr">1418 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen _in-ah</span>
-<span id="L1419" class="LineNr">1419 </span>  <a href='../315stack-debug.subx.html#L5'>check-stack</a>
-<span id="L1420" class="LineNr">1420 </span>  <span class="Delimiter">{</span>
-<span id="L1421" class="LineNr">1421 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
-<span id="L1422" class="LineNr">1422 </span>    compare <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, <span class="Constant">0</span>
-<span id="L1423" class="LineNr">1423 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1424" class="LineNr">1424 </span>    <span class="PreProc">var</span> screen-cell-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-cell
-<span id="L1425" class="LineNr">1425 </span>    compare screen-cell-addr, <span class="Constant">0</span>
-<span id="L1426" class="LineNr">1426 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1427" class="LineNr">1427 </span>    <span class="muComment"># if screen-cell exists, we're probably not in a test</span>
-<span id="L1428" class="LineNr">1428 </span>    <a href='../315stack-debug.subx.html#L26'>show-stack-state</a>
-<span id="L1429" class="LineNr">1429 </span>  <span class="Delimiter">}</span>
-<span id="L1430" class="LineNr">1430 </span>  <span class="muComment"># errors? skip</span>
-<span id="L1431" class="LineNr">1431 </span>  <span class="Delimiter">{</span>
-<span id="L1432" class="LineNr">1432 </span>    compare trace, <span class="Constant">0</span>
-<span id="L1433" class="LineNr">1433 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1434" class="LineNr">1434 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L1435" class="LineNr">1435 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L1436" class="LineNr">1436 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1437" class="LineNr">1437 </span>    <span class="PreProc">return</span>
-<span id="L1438" class="LineNr">1438 </span>  <span class="Delimiter">}</span>
-<span id="L1439" class="LineNr">1439 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
-<span id="L1440" class="LineNr">1440 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
-<span id="L1441" class="LineNr">1441 </span>  <span class="Delimiter">{</span>
-<span id="L1442" class="LineNr">1442 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in
-<span id="L1443" class="LineNr">1443 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L1444" class="LineNr">1444 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1445" class="LineNr">1445 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L1446" class="LineNr">1446 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote nil&quot;</span>
-<span id="L1447" class="LineNr">1447 </span>    copy-object _in-ah, _out-ah
-<span id="L1448" class="LineNr">1448 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1449" class="LineNr">1449 </span>    <span class="PreProc">return</span>
-<span id="L1450" class="LineNr">1450 </span>  <span class="Delimiter">}</span>
-<span id="L1451" class="LineNr">1451 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L1452" class="LineNr">1452 </span>  compare *in-type, <span class="Constant">0</span>/pair
-<span id="L1453" class="LineNr">1453 </span>  <span class="Delimiter">{</span>
-<span id="L1454" class="LineNr">1454 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1455" class="LineNr">1455 </span>    <span class="muComment"># copy non-pairs directly</span>
-<span id="L1456" class="LineNr">1456 </span>    <span class="muComment"># TODO: streams might need to be copied</span>
-<span id="L1457" class="LineNr">1457 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote atom&quot;</span>
-<span id="L1458" class="LineNr">1458 </span>    copy-object _in-ah, _out-ah
-<span id="L1459" class="LineNr">1459 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L1460" class="LineNr">1460 </span>    <span class="PreProc">return</span>
-<span id="L1461" class="LineNr">1461 </span>  <span class="Delimiter">}</span>
-<span id="L1462" class="LineNr">1462 </span>  <span class="muComment"># 'in' is a pair</span>
-<span id="L1463" class="LineNr">1463 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;()&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1464" class="LineNr">1464 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
-<span id="L1465" class="LineNr">1465 </span>  <span class="PreProc">var</span> _in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
-<span id="L1466" class="LineNr">1466 </span>  <span class="PreProc">var</span> in/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L1467" class="LineNr">1467 </span>  <span class="PreProc">var</span> in-left-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L1468" class="LineNr">1468 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;10&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1469" class="LineNr">1469 </span>  <span class="muComment"># check for unquote</span>
-<span id="L1470" class="LineNr">1470 </span>  $macroexpand-iter:unquote: <span class="Delimiter">{</span>
-<span id="L1471" class="LineNr">1471 </span>    <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-ah
-<span id="L1472" class="LineNr">1472 </span>    <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> in-left, <span class="Constant">&quot;,&quot;</span>
-<span id="L1473" class="LineNr">1473 </span>    compare unquote?, <span class="Constant">0</span>/false
-<span id="L1474" class="LineNr">1474 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1475" class="LineNr">1475 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;unquote&quot;</span>
-<span id="L1476" class="LineNr">1476 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L1477" class="LineNr">1477 </span>    increment call-number
-<span id="L1478" class="LineNr">1478 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;,&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1479" class="LineNr">1479 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L1480" class="LineNr">1480 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;,)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1481" class="LineNr">1481 </span>    <span class="PreProc">return</span>
-<span id="L1482" class="LineNr">1482 </span>  <span class="Delimiter">}</span>
-<span id="L1483" class="LineNr">1483 </span>  <span class="muComment"># check for unquote-splice in in-left</span>
-<span id="L1484" class="LineNr">1484 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;11&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1485" class="LineNr">1485 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
-<span id="L1486" class="LineNr">1486 </span>  $macroexpand-iter:unquote-splice: <span class="Delimiter">{</span>
-<span id="L1487" class="LineNr">1487 </span><span class="CommentedCode">#?     dump-cell-from-cursor-over-full-screen in-left-ah</span>
-<span id="L1488" class="LineNr">1488 </span>    <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-ah
-<span id="L1489" class="LineNr">1489 </span>    <span class="Delimiter">{</span>
-<span id="L1490" class="LineNr">1490 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;12&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1491" class="LineNr">1491 </span>      <span class="Delimiter">{</span>
-<span id="L1492" class="LineNr">1492 </span>        <span class="PreProc">var</span> in-left-is-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in-left
-<span id="L1493" class="LineNr">1493 </span>        compare in-left-is-nil?, <span class="Constant">0</span>/false
-<span id="L1494" class="LineNr">1494 </span>      <span class="Delimiter">}</span>
-<span id="L1495" class="LineNr">1495 </span>      <span class="PreProc">break-if-!=</span> $macroexpand-iter:unquote-splice
-<span id="L1496" class="LineNr">1496 </span>      <span class="PreProc">var</span> in-left-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-left, <span class="PreProc">type</span>
-<span id="L1497" class="LineNr">1497 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;13&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1498" class="LineNr">1498 </span>      compare *in-left-type, <span class="Constant">0</span>/pair
-<span id="L1499" class="LineNr">1499 </span>      <span class="PreProc">break-if-!=</span> $macroexpand-iter:unquote-splice
-<span id="L1500" class="LineNr">1500 </span>      <span class="PreProc">var</span> in-left-left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in-left, left
-<span id="L1501" class="LineNr">1501 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;14&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1502" class="LineNr">1502 </span>      <span class="PreProc">var</span> in-left-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-left-ah
-<span id="L1503" class="LineNr">1503 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;15&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1504" class="LineNr">1504 </span>      <span class="PreProc">var</span> in-left-left-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-left-left, <span class="PreProc">type</span>
-<span id="L1505" class="LineNr">1505 </span>      <span class="PreProc">var</span> left-is-unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> in-left-left, <span class="Constant">&quot;,@&quot;</span>
-<span id="L1506" class="LineNr">1506 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;16&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1507" class="LineNr">1507 </span>      compare left-is-unquote-splice?, <span class="Constant">0</span>/false
-<span id="L1508" class="LineNr">1508 </span>    <span class="Delimiter">}</span>
-<span id="L1509" class="LineNr">1509 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1510" class="LineNr">1510 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;17&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1511" class="LineNr">1511 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;unquote-splice&quot;</span>
-<span id="L1512" class="LineNr">1512 </span>    <span class="PreProc">var</span> in-unquote-payload-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in-left, right
-<span id="L1513" class="LineNr">1513 </span>    increment call-number
-<span id="L1514" class="LineNr">1514 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> in-unquote-payload-ah, out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L1515" class="LineNr">1515 </span>    <span class="muComment"># while (*out-ah != null) out-ah = cdr(out-ah)</span>
-<span id="L1516" class="LineNr">1516 </span>    <span class="Delimiter">{</span>
-<span id="L1517" class="LineNr">1517 </span>      <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
-<span id="L1518" class="LineNr">1518 </span>      <span class="Delimiter">{</span>
-<span id="L1519" class="LineNr">1519 </span>        <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> out
-<span id="L1520" class="LineNr">1520 </span>        compare done?, <span class="Constant">0</span>/false
-<span id="L1521" class="LineNr">1521 </span>      <span class="Delimiter">}</span>
-<span id="L1522" class="LineNr">1522 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L1523" class="LineNr">1523 </span>      out-ah <span class="Special">&lt;-</span> get out, right
-<span id="L1524" class="LineNr">1524 </span>      <span class="PreProc">loop</span>
-<span id="L1525" class="LineNr">1525 </span>    <span class="Delimiter">}</span>
-<span id="L1526" class="LineNr">1526 </span>    <span class="muComment"># append result of in-right</span>
-<span id="L1527" class="LineNr">1527 </span>    <span class="PreProc">var</span> in-right-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L1528" class="LineNr">1528 </span>    <a href='evaluate.mu.html#L1416'>evaluate-backquote</a> in-right-ah, out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L1529" class="LineNr">1529 </span>    <span class="PreProc">return</span>
-<span id="L1530" class="LineNr">1530 </span>  <span class="Delimiter">}</span>
-<span id="L1531" class="LineNr">1531 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;19&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1532" class="LineNr">1532 </span>  <span class="muComment"># otherwise continue copying</span>
-<span id="L1533" class="LineNr">1533 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote: copy&quot;</span>
-<span id="L1534" class="LineNr">1534 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
-<span id="L1535" class="LineNr">1535 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> out-ah
-<span id="L1536" class="LineNr">1536 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;20&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1537" class="LineNr">1537 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen out-ah</span>
-<span id="L1538" class="LineNr">1538 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
-<span id="L1539" class="LineNr">1539 </span>  <span class="PreProc">var</span> out-left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out, left
-<span id="L1540" class="LineNr">1540 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`(l&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1541" class="LineNr">1541 </span>  <a href='evaluate.mu.html#L1416'>evaluate-backquote</a> in-left-ah, out-left-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L1542" class="LineNr">1542 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1543" class="LineNr">1543 </span>  <span class="PreProc">var</span> in-right-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L1544" class="LineNr">1544 </span>  <span class="PreProc">var</span> out-right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out, right
-<span id="L1545" class="LineNr">1545 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r(&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1546" class="LineNr">1546 </span>  <a href='evaluate.mu.html#L1416'>evaluate-backquote</a> in-right-ah, out-right-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
-<span id="L1547" class="LineNr">1547 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L1548" class="LineNr">1548 </span><span class="Delimiter">}</span>
-<span id="L1549" class="LineNr">1549 </span>
-<span id="L1550" class="LineNr">1550 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1550'>test-evaluate-backquote-list</a></span> <span class="Delimiter">{</span>
-<span id="L1551" class="LineNr">1551 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1552" class="LineNr">1552 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L1553" class="LineNr">1553 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1554" class="LineNr">1554 </span>  <span class="PreProc">var</span> backquote-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1555" class="LineNr">1555 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-storage
-<span id="L1556" class="LineNr">1556 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
-<span id="L1557" class="LineNr">1557 </span>  <span class="muComment"># input is `(a b)</span>
-<span id="L1558" class="LineNr">1558 </span>  <span class="PreProc">var</span> a-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1559" class="LineNr">1559 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-storage
-<span id="L1560" class="LineNr">1560 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1561" class="LineNr">1561 </span>  <span class="PreProc">var</span> b-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1562" class="LineNr">1562 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-storage
-<span id="L1563" class="LineNr">1563 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
-<span id="L1564" class="LineNr">1564 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1565" class="LineNr">1565 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L1566" class="LineNr">1566 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *b-ah, *nil-ah
-<span id="L1567" class="LineNr">1567 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *a-ah, *tmp-ah
-<span id="L1568" class="LineNr">1568 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *backquote-ah, *tmp-ah
-<span id="L1569" class="LineNr">1569 </span>  <span class="muComment">#</span>
-<span id="L1570" class="LineNr">1570 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1571" class="LineNr">1571 </span>  <span class="muComment"># result is (a b)</span>
-<span id="L1572" class="LineNr">1572 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1573" class="LineNr">1573 </span>  <span class="Delimiter">{</span>
-<span id="L1574" class="LineNr">1574 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1575" class="LineNr">1575 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1550'>test-evaluate-backquote-list</a>/0&quot;</span>
-<span id="L1576" class="LineNr">1576 </span>  <span class="Delimiter">}</span>
-<span id="L1577" class="LineNr">1577 </span>  <span class="Delimiter">{</span>
-<span id="L1578" class="LineNr">1578 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
-<span id="L1579" class="LineNr">1579 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
-<span id="L1580" class="LineNr">1580 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
-<span id="L1581" class="LineNr">1581 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1550'>test-evaluate-backquote-list</a>/1&quot;</span>
-<span id="L1582" class="LineNr">1582 </span>  <span class="Delimiter">}</span>
-<span id="L1583" class="LineNr">1583 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
-<span id="L1584" class="LineNr">1584 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1585" class="LineNr">1585 </span>  <span class="Delimiter">{</span>
-<span id="L1586" class="LineNr">1586 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L1587" class="LineNr">1587 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
-<span id="L1588" class="LineNr">1588 </span>    <span class="PreProc">var</span> check2/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a2, <span class="Constant">&quot;b&quot;</span>
-<span id="L1589" class="LineNr">1589 </span>    <a href='../502test.mu.html#L19'>check</a> check2, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1550'>test-evaluate-backquote-list</a>/2&quot;</span>
-<span id="L1590" class="LineNr">1590 </span>  <span class="Delimiter">}</span>
-<span id="L1591" class="LineNr">1591 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L1592" class="LineNr">1592 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1593" class="LineNr">1593 </span>  <span class="PreProc">var</span> check3/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> rest
-<span id="L1594" class="LineNr">1594 </span>  <a href='../502test.mu.html#L19'>check</a> check3, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1550'>test-evaluate-backquote-list</a>/3&quot;</span>
-<span id="L1595" class="LineNr">1595 </span><span class="Delimiter">}</span>
-<span id="L1596" class="LineNr">1596 </span>
-<span id="L1597" class="LineNr">1597 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1597'>test-evaluate-backquote-list-with-unquote</a></span> <span class="Delimiter">{</span>
-<span id="L1598" class="LineNr">1598 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1599" class="LineNr">1599 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
-<span id="L1600" class="LineNr">1600 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1601" class="LineNr">1601 </span>  <span class="PreProc">var</span> backquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1602" class="LineNr">1602 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-h
-<span id="L1603" class="LineNr">1603 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
-<span id="L1604" class="LineNr">1604 </span>  <span class="PreProc">var</span> unquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1605" class="LineNr">1605 </span>  <span class="PreProc">var</span> unquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address unquote-h
-<span id="L1606" class="LineNr">1606 </span>  <a href='cell.mu.html#L39'>new-symbol</a> unquote-ah, <span class="Constant">&quot;,&quot;</span>
-<span id="L1607" class="LineNr">1607 </span>  <span class="PreProc">var</span> a-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1608" class="LineNr">1608 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-h
-<span id="L1609" class="LineNr">1609 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1610" class="LineNr">1610 </span>  <span class="PreProc">var</span> b-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1611" class="LineNr">1611 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-h
-<span id="L1612" class="LineNr">1612 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
-<span id="L1613" class="LineNr">1613 </span>  <span class="muComment"># env = ((b . 3))</span>
-<span id="L1614" class="LineNr">1614 </span>  <span class="PreProc">var</span> val-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1615" class="LineNr">1615 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-h
-<span id="L1616" class="LineNr">1616 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L1617" class="LineNr">1617 </span>  <span class="PreProc">var</span> env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1618" class="LineNr">1618 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
-<span id="L1619" class="LineNr">1619 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, b-h, val-h
-<span id="L1620" class="LineNr">1620 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, env-h, nil-h
-<span id="L1621" class="LineNr">1621 </span>  <span class="muComment"># input is `(a ,b)</span>
-<span id="L1622" class="LineNr">1622 </span>  <span class="PreProc">var</span> tmp-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1623" class="LineNr">1623 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-h
-<span id="L1624" class="LineNr">1624 </span>  <span class="muComment"># tmp = cons(unquote, b)</span>
-<span id="L1625" class="LineNr">1625 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, unquote-h, b-h
-<span id="L1626" class="LineNr">1626 </span>  <span class="muComment"># tmp = cons(tmp, nil)</span>
-<span id="L1627" class="LineNr">1627 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, tmp-h, nil-h
-<span id="L1628" class="LineNr">1628 </span>  <span class="muComment"># tmp = cons(a, tmp)</span>
-<span id="L1629" class="LineNr">1629 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, a-h, tmp-h
-<span id="L1630" class="LineNr">1630 </span>  <span class="muComment"># tmp = cons(backquote, tmp)</span>
-<span id="L1631" class="LineNr">1631 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, backquote-h, tmp-h
-<span id="L1632" class="LineNr">1632 </span>  <span class="muComment">#</span>
-<span id="L1633" class="LineNr">1633 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, env-h, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1634" class="LineNr">1634 </span>  <span class="muComment"># result is (a 3)</span>
-<span id="L1635" class="LineNr">1635 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1636" class="LineNr">1636 </span>  <span class="Delimiter">{</span>
-<span id="L1637" class="LineNr">1637 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1638" class="LineNr">1638 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1597'>test-evaluate-backquote-list-with-unquote</a>/0&quot;</span>
-<span id="L1639" class="LineNr">1639 </span>  <span class="Delimiter">}</span>
-<span id="L1640" class="LineNr">1640 </span>  <span class="Delimiter">{</span>
-<span id="L1641" class="LineNr">1641 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
-<span id="L1642" class="LineNr">1642 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
-<span id="L1643" class="LineNr">1643 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
-<span id="L1644" class="LineNr">1644 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1597'>test-evaluate-backquote-list-with-unquote</a>/1&quot;</span>
-<span id="L1645" class="LineNr">1645 </span>  <span class="Delimiter">}</span>
-<span id="L1646" class="LineNr">1646 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
-<span id="L1647" class="LineNr">1647 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1648" class="LineNr">1648 </span>  <span class="Delimiter">{</span>
-<span id="L1649" class="LineNr">1649 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L1650" class="LineNr">1650 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
-<span id="L1651" class="LineNr">1651 </span>    <span class="PreProc">var</span> a2-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a2, number-data
-<span id="L1652" class="LineNr">1652 </span>    <span class="PreProc">var</span> a2-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *a2-value-addr
-<span id="L1653" class="LineNr">1653 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> a2-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1597'>test-evaluate-backquote-list-with-unquote</a>/2&quot;</span>
-<span id="L1654" class="LineNr">1654 </span>  <span class="Delimiter">}</span>
-<span id="L1655" class="LineNr">1655 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L1656" class="LineNr">1656 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1657" class="LineNr">1657 </span>  <span class="PreProc">var</span> check3/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> rest
-<span id="L1658" class="LineNr">1658 </span>  <a href='../502test.mu.html#L19'>check</a> check3, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1597'>test-evaluate-backquote-list-with-unquote</a>/3&quot;</span>
-<span id="L1659" class="LineNr">1659 </span><span class="Delimiter">}</span>
-<span id="L1660" class="LineNr">1660 </span>
-<span id="L1661" class="LineNr">1661 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a></span> <span class="Delimiter">{</span>
-<span id="L1662" class="LineNr">1662 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1663" class="LineNr">1663 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
-<span id="L1664" class="LineNr">1664 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L1665" class="LineNr">1665 </span>  <span class="PreProc">var</span> backquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1666" class="LineNr">1666 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-h
-<span id="L1667" class="LineNr">1667 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
-<span id="L1668" class="LineNr">1668 </span>  <span class="PreProc">var</span> unquote-splice-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1669" class="LineNr">1669 </span>  <span class="PreProc">var</span> unquote-splice-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address unquote-splice-h
-<span id="L1670" class="LineNr">1670 </span>  <a href='cell.mu.html#L39'>new-symbol</a> unquote-splice-ah, <span class="Constant">&quot;,@&quot;</span>
-<span id="L1671" class="LineNr">1671 </span>  <span class="PreProc">var</span> a-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1672" class="LineNr">1672 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-h
-<span id="L1673" class="LineNr">1673 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L1674" class="LineNr">1674 </span>  <span class="PreProc">var</span> b-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1675" class="LineNr">1675 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-h
-<span id="L1676" class="LineNr">1676 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
-<span id="L1677" class="LineNr">1677 </span>  <span class="muComment"># env = ((b . (a 3)))</span>
-<span id="L1678" class="LineNr">1678 </span>  <span class="PreProc">var</span> val-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1679" class="LineNr">1679 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-h
-<span id="L1680" class="LineNr">1680 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L1681" class="LineNr">1681 </span>  <a href='cell.mu.html#L116'>new-pair</a> val-ah, val-h, nil-h
-<span id="L1682" class="LineNr">1682 </span>  <a href='cell.mu.html#L116'>new-pair</a> val-ah, a-h, val-h
-<span id="L1683" class="LineNr">1683 </span>  <span class="PreProc">var</span> env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1684" class="LineNr">1684 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
-<span id="L1685" class="LineNr">1685 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, b-h, val-h
-<span id="L1686" class="LineNr">1686 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, env-h, nil-h
-<span id="L1687" class="LineNr">1687 </span>  <span class="muComment"># input is `(a ,@b b)</span>
-<span id="L1688" class="LineNr">1688 </span>  <span class="PreProc">var</span> tmp-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1689" class="LineNr">1689 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-h
-<span id="L1690" class="LineNr">1690 </span>  <span class="muComment"># tmp = cons(b, nil)</span>
-<span id="L1691" class="LineNr">1691 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, b-h, nil-h
-<span id="L1692" class="LineNr">1692 </span>  <span class="muComment"># tmp2 = cons(unquote-splice, b)</span>
-<span id="L1693" class="LineNr">1693 </span>  <span class="PreProc">var</span> tmp2-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L1694" class="LineNr">1694 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-h
-<span id="L1695" class="LineNr">1695 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp2-ah, unquote-splice-h, b-h
-<span id="L1696" class="LineNr">1696 </span>  <span class="muComment"># tmp = cons(tmp2, tmp)</span>
-<span id="L1697" class="LineNr">1697 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, tmp2-h, tmp-h
-<span id="L1698" class="LineNr">1698 </span>  <span class="muComment"># tmp = cons(a, tmp)</span>
-<span id="L1699" class="LineNr">1699 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, a-h, tmp-h
-<span id="L1700" class="LineNr">1700 </span>  <span class="muComment"># tmp = cons(backquote, tmp)</span>
-<span id="L1701" class="LineNr">1701 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, backquote-h, tmp-h
-<span id="L1702" class="LineNr">1702 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen tmp-ah</span>
-<span id="L1703" class="LineNr">1703 </span>  <span class="muComment">#</span>
-<span id="L1704" class="LineNr">1704 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, env-h, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L1705" class="LineNr">1705 </span>  <span class="muComment"># result is (a a 3 b)</span>
-<span id="L1706" class="LineNr">1706 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen tmp-ah</span>
-<span id="L1707" class="LineNr">1707 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L1708" class="LineNr">1708 </span>  <span class="Delimiter">{</span>
-<span id="L1709" class="LineNr">1709 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L1710" class="LineNr">1710 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/0&quot;</span>
-<span id="L1711" class="LineNr">1711 </span>  <span class="Delimiter">}</span>
-<span id="L1712" class="LineNr">1712 </span>  <span class="Delimiter">{</span>
-<span id="L1713" class="LineNr">1713 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
-<span id="L1714" class="LineNr">1714 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
-<span id="L1715" class="LineNr">1715 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
-<span id="L1716" class="LineNr">1716 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/1&quot;</span>
-<span id="L1717" class="LineNr">1717 </span>  <span class="Delimiter">}</span>
-<span id="L1718" class="LineNr">1718 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
-<span id="L1719" class="LineNr">1719 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1720" class="LineNr">1720 </span>  <span class="Delimiter">{</span>
-<span id="L1721" class="LineNr">1721 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L1722" class="LineNr">1722 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
-<span id="L1723" class="LineNr">1723 </span>    <span class="PreProc">var</span> check2/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a2, <span class="Constant">&quot;a&quot;</span>
-<span id="L1724" class="LineNr">1724 </span>    <a href='../502test.mu.html#L19'>check</a> check2, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/2&quot;</span>
-<span id="L1725" class="LineNr">1725 </span>  <span class="Delimiter">}</span>
-<span id="L1726" class="LineNr">1726 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L1727" class="LineNr">1727 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1728" class="LineNr">1728 </span>  <span class="Delimiter">{</span>
-<span id="L1729" class="LineNr">1729 </span>    <span class="PreProc">var</span> a3-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L1730" class="LineNr">1730 </span>    <span class="PreProc">var</span> a3/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a3-ah
-<span id="L1731" class="LineNr">1731 </span>    <span class="PreProc">var</span> a3-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a3, number-data
-<span id="L1732" class="LineNr">1732 </span>    <span class="PreProc">var</span> a3-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *a3-value-addr
-<span id="L1733" class="LineNr">1733 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> a3-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/3&quot;</span>
-<span id="L1734" class="LineNr">1734 </span>  <span class="Delimiter">}</span>
-<span id="L1735" class="LineNr">1735 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L1736" class="LineNr">1736 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1737" class="LineNr">1737 </span>  <span class="Delimiter">{</span>
-<span id="L1738" class="LineNr">1738 </span>    <span class="PreProc">var</span> a4-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L1739" class="LineNr">1739 </span>    <span class="PreProc">var</span> a4/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a4-ah
-<span id="L1740" class="LineNr">1740 </span>    <span class="PreProc">var</span> check4/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a4, <span class="Constant">&quot;b&quot;</span>
-<span id="L1741" class="LineNr">1741 </span>    <a href='../502test.mu.html#L19'>check</a> check4, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/4&quot;</span>
-<span id="L1742" class="LineNr">1742 </span>  <span class="Delimiter">}</span>
-<span id="L1743" class="LineNr">1743 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L1744" class="LineNr">1744 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L1745" class="LineNr">1745 </span>  <span class="PreProc">var</span> check5/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> rest
-<span id="L1746" class="LineNr">1746 </span>  <a href='../502test.mu.html#L19'>check</a> check5, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1661'>test-evaluate-backquote-list-with-unquote-splice</a>/5&quot;</span>
-<span id="L1747" class="LineNr">1747 </span><span class="Delimiter">}</span>
+<span id="L1122" class="LineNr">1122 </span>  <span class="muComment"># otherwise recurse</span>
+<span id="L1123" class="LineNr">1123 </span>  <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1124" class="LineNr">1124 </span>  <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-tail-storage
+<span id="L1125" class="LineNr">1125 </span>  <a href='evaluate.mu.html#L1158'>cdr</a> env, env-tail-ah, trace
+<span id="L1126" class="LineNr">1126 </span>  <a href='evaluate.mu.html#L1012'>mutate-binding</a> name, val, *env-tail-ah, globals, trace
+<span id="L1127" class="LineNr">1127 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1128" class="LineNr">1128 </span><span class="Delimiter">}</span>
+<span id="L1129" class="LineNr">1129 </span>
+<span id="L1130" class="LineNr">1130 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1130'>car</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L1131" class="LineNr">1131 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;car&quot;</span>
+<span id="L1132" class="LineNr">1132 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L1133" class="LineNr">1133 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L1134" class="LineNr">1134 </span>  <span class="muComment"># if in is not a list, abort</span>
+<span id="L1135" class="LineNr">1135 </span>  <span class="Delimiter">{</span>
+<span id="L1136" class="LineNr">1136 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L1137" class="LineNr">1137 </span>    compare *in-type, <span class="Constant">0</span>/pair
+<span id="L1138" class="LineNr">1138 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1139" class="LineNr">1139 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
+<span id="L1140" class="LineNr">1140 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1141" class="LineNr">1141 </span>    <span class="PreProc">return</span>
+<span id="L1142" class="LineNr">1142 </span>  <span class="Delimiter">}</span>
+<span id="L1143" class="LineNr">1143 </span>  <span class="muComment"># if in is nil, abort</span>
+<span id="L1144" class="LineNr">1144 </span>  <span class="Delimiter">{</span>
+<span id="L1145" class="LineNr">1145 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in
+<span id="L1146" class="LineNr">1146 </span>    compare in-nil?, <span class="Constant">0</span>/false
+<span id="L1147" class="LineNr">1147 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1148" class="LineNr">1148 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
+<span id="L1149" class="LineNr">1149 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1150" class="LineNr">1150 </span>    <span class="PreProc">return</span>
+<span id="L1151" class="LineNr">1151 </span>  <span class="Delimiter">}</span>
+<span id="L1152" class="LineNr">1152 </span>  <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L1153" class="LineNr">1153 </span>  copy-object in-left, out
+<span id="L1154" class="LineNr">1154 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1155" class="LineNr">1155 </span>  <span class="PreProc">return</span>
+<span id="L1156" class="LineNr">1156 </span><span class="Delimiter">}</span>
+<span id="L1157" class="LineNr">1157 </span>
+<span id="L1158" class="LineNr">1158 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1158'>cdr</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L1159" class="LineNr">1159 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cdr&quot;</span>
+<span id="L1160" class="LineNr">1160 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L1161" class="LineNr">1161 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L1162" class="LineNr">1162 </span>  <span class="muComment"># if in is not a list, abort</span>
+<span id="L1163" class="LineNr">1163 </span>  <span class="Delimiter">{</span>
+<span id="L1164" class="LineNr">1164 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L1165" class="LineNr">1165 </span>    compare *in-type, <span class="Constant">0</span>/pair
+<span id="L1166" class="LineNr">1166 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1167" class="LineNr">1167 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
+<span id="L1168" class="LineNr">1168 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1169" class="LineNr">1169 </span>    <span class="PreProc">return</span>
+<span id="L1170" class="LineNr">1170 </span>  <span class="Delimiter">}</span>
+<span id="L1171" class="LineNr">1171 </span>  <span class="muComment"># if in is nil, abort</span>
+<span id="L1172" class="LineNr">1172 </span>  <span class="Delimiter">{</span>
+<span id="L1173" class="LineNr">1173 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in
+<span id="L1174" class="LineNr">1174 </span>    compare in-nil?, <span class="Constant">0</span>/false
+<span id="L1175" class="LineNr">1175 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1176" class="LineNr">1176 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
+<span id="L1177" class="LineNr">1177 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1178" class="LineNr">1178 </span>    <span class="PreProc">return</span>
+<span id="L1179" class="LineNr">1179 </span>  <span class="Delimiter">}</span>
+<span id="L1180" class="LineNr">1180 </span>  <span class="PreProc">var</span> in-right/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L1181" class="LineNr">1181 </span>  copy-object in-right, out
+<span id="L1182" class="LineNr">1182 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1183" class="LineNr">1183 </span>  <span class="PreProc">return</span>
+<span id="L1184" class="LineNr">1184 </span><span class="Delimiter">}</span>
+<span id="L1185" class="LineNr">1185 </span>
+<span id="L1186" class="LineNr">1186 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1186'>cell-isomorphic?</a></span> _a: (addr <a href='cell.mu.html#L1'>cell</a>), _b: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1187" class="LineNr">1187 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cell-isomorphic?&quot;</span>
+<span id="L1188" class="LineNr">1188 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L1189" class="LineNr">1189 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a
+<span id="L1190" class="LineNr">1190 </span>  <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _b
+<span id="L1191" class="LineNr">1191 </span>  <span class="muComment"># if types don't match, return false</span>
+<span id="L1192" class="LineNr">1192 </span>  <span class="PreProc">var</span> a-type-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get a, <span class="PreProc">type</span>
+<span id="L1193" class="LineNr">1193 </span>  <span class="PreProc">var</span> b-type-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get b, <span class="PreProc">type</span>
+<span id="L1194" class="LineNr">1194 </span>  <span class="PreProc">var</span> b-type/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *b-type-addr
+<span id="L1195" class="LineNr">1195 </span>  compare b-type, *a-type-addr
+<span id="L1196" class="LineNr">1196 </span>  <span class="Delimiter">{</span>
+<span id="L1197" class="LineNr">1197 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1198" class="LineNr">1198 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1199" class="LineNr">1199 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (type)&quot;</span>
+<span id="L1200" class="LineNr">1200 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1201" class="LineNr">1201 </span>  <span class="Delimiter">}</span>
+<span id="L1202" class="LineNr">1202 </span>  <span class="muComment"># if types are number, compare number-data</span>
+<span id="L1203" class="LineNr">1203 </span>  <span class="muComment"># TODO: exactly comparing floats is a bad idea</span>
+<span id="L1204" class="LineNr">1204 </span>  compare b-type, <span class="Constant">1</span>/number
+<span id="L1205" class="LineNr">1205 </span>  <span class="Delimiter">{</span>
+<span id="L1206" class="LineNr">1206 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1207" class="LineNr">1207 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a, number-data
+<span id="L1208" class="LineNr">1208 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get b, number-data
+<span id="L1209" class="LineNr">1209 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy *a-val-addr
+<span id="L1210" class="LineNr">1210 </span>    compare a-val, *b-val-addr
+<span id="L1211" class="LineNr">1211 </span>    <span class="Delimiter">{</span>
+<span id="L1212" class="LineNr">1212 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1213" class="LineNr">1213 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1214" class="LineNr">1214 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (numbers)&quot;</span>
+<span id="L1215" class="LineNr">1215 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1216" class="LineNr">1216 </span>    <span class="Delimiter">}</span>
+<span id="L1217" class="LineNr">1217 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1218" class="LineNr">1218 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (numbers)&quot;</span>
+<span id="L1219" class="LineNr">1219 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1220" class="LineNr">1220 </span>  <span class="Delimiter">}</span>
+<span id="L1221" class="LineNr">1221 </span>  $cell-isomorphic?:text-data: <span class="Delimiter">{</span>
+<span id="L1222" class="LineNr">1222 </span>    <span class="Delimiter">{</span>
+<span id="L1223" class="LineNr">1223 </span>      compare b-type, <span class="Constant">2</span>/symbol
+<span id="L1224" class="LineNr">1224 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1225" class="LineNr">1225 </span>      compare b-type, <span class="Constant">3</span>/stream
+<span id="L1226" class="LineNr">1226 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1227" class="LineNr">1227 </span>      <span class="PreProc">break</span> $cell-isomorphic?:text-data
+<span id="L1228" class="LineNr">1228 </span>    <span class="Delimiter">}</span>
+<span id="L1229" class="LineNr">1229 </span>    <span class="PreProc">var</span> b-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get b, text-data
+<span id="L1230" class="LineNr">1230 </span>    <span class="PreProc">var</span> _b-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-val-ah
+<span id="L1231" class="LineNr">1231 </span>    <span class="PreProc">var</span> b-val/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _b-val
+<span id="L1232" class="LineNr">1232 </span>    <span class="PreProc">var</span> a-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get a, text-data
+<span id="L1233" class="LineNr">1233 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-val-ah
+<span id="L1234" class="LineNr">1234 </span>    <span class="PreProc">var</span> tmp-array: (handle array byte)
+<span id="L1235" class="LineNr">1235 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special">&lt;-</span> address tmp-array
+<span id="L1236" class="LineNr">1236 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> a-val
+<span id="L1237" class="LineNr">1237 </span>    <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> a-val, tmp-ah
+<span id="L1238" class="LineNr">1238 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1239" class="LineNr">1239 </span>    <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> b-val, tmp
+<span id="L1240" class="LineNr">1240 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1241" class="LineNr">1241 </span>    <span class="Delimiter">{</span>
+<span id="L1242" class="LineNr">1242 </span>      compare match?, <span class="Constant">0</span>/false
+<span id="L1243" class="LineNr">1243 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1244" class="LineNr">1244 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (symbols)&quot;</span>
+<span id="L1245" class="LineNr">1245 </span>    <span class="Delimiter">}</span>
+<span id="L1246" class="LineNr">1246 </span>    <span class="Delimiter">{</span>
+<span id="L1247" class="LineNr">1247 </span>      compare match?, <span class="Constant">0</span>/false
+<span id="L1248" class="LineNr">1248 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1249" class="LineNr">1249 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (symbols)&quot;</span>
+<span id="L1250" class="LineNr">1250 </span>    <span class="Delimiter">}</span>
+<span id="L1251" class="LineNr">1251 </span>    <span class="PreProc">return</span> match?
+<span id="L1252" class="LineNr">1252 </span>  <span class="Delimiter">}</span>
+<span id="L1253" class="LineNr">1253 </span>  <span class="muComment"># if objects are primitive functions, compare index-data</span>
+<span id="L1254" class="LineNr">1254 </span>  compare b-type, <span class="Constant">4</span>/primitive
+<span id="L1255" class="LineNr">1255 </span>  <span class="Delimiter">{</span>
+<span id="L1256" class="LineNr">1256 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1257" class="LineNr">1257 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get a, index-data
+<span id="L1258" class="LineNr">1258 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get b, index-data
+<span id="L1259" class="LineNr">1259 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *a-val-addr
+<span id="L1260" class="LineNr">1260 </span>    compare a-val, *b-val-addr
+<span id="L1261" class="LineNr">1261 </span>    <span class="Delimiter">{</span>
+<span id="L1262" class="LineNr">1262 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1263" class="LineNr">1263 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1264" class="LineNr">1264 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (primitives)&quot;</span>
+<span id="L1265" class="LineNr">1265 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1266" class="LineNr">1266 </span>    <span class="Delimiter">}</span>
+<span id="L1267" class="LineNr">1267 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1268" class="LineNr">1268 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (primitives)&quot;</span>
+<span id="L1269" class="LineNr">1269 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1270" class="LineNr">1270 </span>  <span class="Delimiter">}</span>
+<span id="L1271" class="LineNr">1271 </span>  <span class="muComment"># if objects are screens, check if they're the same object</span>
+<span id="L1272" class="LineNr">1272 </span>  compare b-type, <span class="Constant">5</span>/screen
+<span id="L1273" class="LineNr">1273 </span>  <span class="Delimiter">{</span>
+<span id="L1274" class="LineNr">1274 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1275" class="LineNr">1275 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get a, screen-data
+<span id="L1276" class="LineNr">1276 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get b, screen-data
+<span id="L1277" class="LineNr">1277 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L448'>handle-equal?</a> *a-val-addr, *b-val-addr
+<span id="L1278" class="LineNr">1278 </span>    compare result, <span class="Constant">0</span>/false
+<span id="L1279" class="LineNr">1279 </span>    <span class="PreProc">return</span> result
+<span id="L1280" class="LineNr">1280 </span>  <span class="Delimiter">}</span>
+<span id="L1281" class="LineNr">1281 </span>  <span class="muComment"># if objects are keyboards, check if they have the same contents</span>
+<span id="L1282" class="LineNr">1282 </span>  compare b-type, <span class="Constant">6</span>/keyboard
+<span id="L1283" class="LineNr">1283 </span>  <span class="Delimiter">{</span>
+<span id="L1284" class="LineNr">1284 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1285" class="LineNr">1285 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get a, keyboard-data
+<span id="L1286" class="LineNr">1286 </span>    <span class="PreProc">var</span> _a/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-val-addr
+<span id="L1287" class="LineNr">1287 </span>    <span class="PreProc">var</span> a/<span class="Constant">ecx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _a
+<span id="L1288" class="LineNr">1288 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get b, keyboard-data
+<span id="L1289" class="LineNr">1289 </span>    <span class="PreProc">var</span> b/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-val-addr
+<span id="L1290" class="LineNr">1290 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L398'>gap-buffers-equal?</a> a, b
+<span id="L1291" class="LineNr">1291 </span>    <span class="PreProc">return</span> result
+<span id="L1292" class="LineNr">1292 </span>  <span class="Delimiter">}</span>
+<span id="L1293" class="LineNr">1293 </span>  <span class="muComment"># if a is nil, b should be nil</span>
+<span id="L1294" class="LineNr">1294 </span>  <span class="Delimiter">{</span>
+<span id="L1295" class="LineNr">1295 </span>    <span class="muComment"># (assumes nil? returns 0 or 1)</span>
+<span id="L1296" class="LineNr">1296 </span>    <span class="PreProc">var</span> _b-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> b
+<span id="L1297" class="LineNr">1297 </span>    <span class="PreProc">var</span> b-nil?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy _b-nil?
+<span id="L1298" class="LineNr">1298 </span>    <span class="PreProc">var</span> a-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> a
+<span id="L1299" class="LineNr">1299 </span>    <span class="muComment"># a == nil and b == nil =&gt; return true</span>
+<span id="L1300" class="LineNr">1300 </span>    <span class="Delimiter">{</span>
+<span id="L1301" class="LineNr">1301 </span>      compare a-nil?, <span class="Constant">0</span>/false
+<span id="L1302" class="LineNr">1302 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1303" class="LineNr">1303 </span>      compare b-nil?, <span class="Constant">0</span>/false
+<span id="L1304" class="LineNr">1304 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1305" class="LineNr">1305 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1306" class="LineNr">1306 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (nils)&quot;</span>
+<span id="L1307" class="LineNr">1307 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1308" class="LineNr">1308 </span>    <span class="Delimiter">}</span>
+<span id="L1309" class="LineNr">1309 </span>    <span class="muComment"># a == nil =&gt; return false</span>
+<span id="L1310" class="LineNr">1310 </span>    <span class="Delimiter">{</span>
+<span id="L1311" class="LineNr">1311 </span>      compare a-nil?, <span class="Constant">0</span>/false
+<span id="L1312" class="LineNr">1312 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1313" class="LineNr">1313 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1314" class="LineNr">1314 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (b != <a href='cell.mu.html#L121'>nil</a>)&quot;</span>
+<span id="L1315" class="LineNr">1315 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1316" class="LineNr">1316 </span>    <span class="Delimiter">}</span>
+<span id="L1317" class="LineNr">1317 </span>    <span class="muComment"># b == nil =&gt; return false</span>
+<span id="L1318" class="LineNr">1318 </span>    <span class="Delimiter">{</span>
+<span id="L1319" class="LineNr">1319 </span>      compare b-nil?, <span class="Constant">0</span>/false
+<span id="L1320" class="LineNr">1320 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1321" class="LineNr">1321 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1322" class="LineNr">1322 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (a != <a href='cell.mu.html#L121'>nil</a>)&quot;</span>
+<span id="L1323" class="LineNr">1323 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1324" class="LineNr">1324 </span>    <span class="Delimiter">}</span>
+<span id="L1325" class="LineNr">1325 </span>  <span class="Delimiter">}</span>
+<span id="L1326" class="LineNr">1326 </span>  <span class="muComment"># a and b are pairs</span>
+<span id="L1327" class="LineNr">1327 </span>  <span class="PreProc">var</span> a-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1328" class="LineNr">1328 </span>  <span class="PreProc">var</span> a-tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-tmp-storage
+<span id="L1329" class="LineNr">1329 </span>  <span class="PreProc">var</span> b-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1330" class="LineNr">1330 </span>  <span class="PreProc">var</span> b-tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-tmp-storage
+<span id="L1331" class="LineNr">1331 </span>  <span class="muComment"># if cars aren't equal, return false</span>
+<span id="L1332" class="LineNr">1332 </span>  <a href='evaluate.mu.html#L1130'>car</a> a, a-tmp-ah, trace
+<span id="L1333" class="LineNr">1333 </span>  <a href='evaluate.mu.html#L1130'>car</a> b, b-tmp-ah, trace
+<span id="L1334" class="LineNr">1334 </span>  <span class="Delimiter">{</span>
+<span id="L1335" class="LineNr">1335 </span>    <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-tmp-ah
+<span id="L1336" class="LineNr">1336 </span>    <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
+<span id="L1337" class="LineNr">1337 </span>    <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-tmp-ah
+<span id="L1338" class="LineNr">1338 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> a-tmp, b-tmp, trace
+<span id="L1339" class="LineNr">1339 </span>    compare result, <span class="Constant">0</span>/false
+<span id="L1340" class="LineNr">1340 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1341" class="LineNr">1341 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1342" class="LineNr">1342 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (<a href='evaluate.mu.html#L1130'>car</a> mismatch)&quot;</span>
+<span id="L1343" class="LineNr">1343 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1344" class="LineNr">1344 </span>  <span class="Delimiter">}</span>
+<span id="L1345" class="LineNr">1345 </span>  <span class="muComment"># recurse on cdrs</span>
+<span id="L1346" class="LineNr">1346 </span>  <a href='evaluate.mu.html#L1158'>cdr</a> a, a-tmp-ah, trace
+<span id="L1347" class="LineNr">1347 </span>  <a href='evaluate.mu.html#L1158'>cdr</a> b, b-tmp-ah, trace
+<span id="L1348" class="LineNr">1348 </span>  <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-tmp-ah
+<span id="L1349" class="LineNr">1349 </span>  <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
+<span id="L1350" class="LineNr">1350 </span>  <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-tmp-ah
+<span id="L1351" class="LineNr">1351 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> a-tmp, b-tmp, trace
+<span id="L1352" class="LineNr">1352 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1353" class="LineNr">1353 </span>  <span class="PreProc">return</span> result
+<span id="L1354" class="LineNr">1354 </span><span class="Delimiter">}</span>
+<span id="L1355" class="LineNr">1355 </span>
+<span id="L1356" class="LineNr">1356 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1356'>fn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1357" class="LineNr">1357 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
+<span id="L1358" class="LineNr">1358 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
+<span id="L1359" class="LineNr">1359 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
+<span id="L1360" class="LineNr">1360 </span>  <span class="Delimiter">{</span>
+<span id="L1361" class="LineNr">1361 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1362" class="LineNr">1362 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1363" class="LineNr">1363 </span>  <span class="Delimiter">}</span>
+<span id="L1364" class="LineNr">1364 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
+<span id="L1365" class="LineNr">1365 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
+<span id="L1366" class="LineNr">1366 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;fn&quot;</span>
+<span id="L1367" class="LineNr">1367 </span>  <span class="PreProc">return</span> result
+<span id="L1368" class="LineNr">1368 </span><span class="Delimiter">}</span>
+<span id="L1369" class="LineNr">1369 </span>
+<span id="L1370" class="LineNr">1370 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1370'>litfn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1371" class="LineNr">1371 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
+<span id="L1372" class="LineNr">1372 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
+<span id="L1373" class="LineNr">1373 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
+<span id="L1374" class="LineNr">1374 </span>  <span class="Delimiter">{</span>
+<span id="L1375" class="LineNr">1375 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1376" class="LineNr">1376 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1377" class="LineNr">1377 </span>  <span class="Delimiter">}</span>
+<span id="L1378" class="LineNr">1378 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
+<span id="L1379" class="LineNr">1379 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
+<span id="L1380" class="LineNr">1380 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;litfn&quot;</span>
+<span id="L1381" class="LineNr">1381 </span>  <span class="PreProc">return</span> result
+<span id="L1382" class="LineNr">1382 </span><span class="Delimiter">}</span>
+<span id="L1383" class="LineNr">1383 </span>
+<span id="L1384" class="LineNr">1384 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1384'>litmac?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1385" class="LineNr">1385 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
+<span id="L1386" class="LineNr">1386 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
+<span id="L1387" class="LineNr">1387 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
+<span id="L1388" class="LineNr">1388 </span>  <span class="Delimiter">{</span>
+<span id="L1389" class="LineNr">1389 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1390" class="LineNr">1390 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1391" class="LineNr">1391 </span>  <span class="Delimiter">}</span>
+<span id="L1392" class="LineNr">1392 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
+<span id="L1393" class="LineNr">1393 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *contents-ah
+<span id="L1394" class="LineNr">1394 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;litmac&quot;</span>
+<span id="L1395" class="LineNr">1395 </span>  <span class="PreProc">return</span> result
+<span id="L1396" class="LineNr">1396 </span><span class="Delimiter">}</span>
+<span id="L1397" class="LineNr">1397 </span>
+<span id="L1398" class="LineNr">1398 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1398'>test-evaluate-is-well-behaved</a></span> <span class="Delimiter">{</span>
+<span id="L1399" class="LineNr">1399 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1400" class="LineNr">1400 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1401" class="LineNr">1401 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
+<span id="L1402" class="LineNr">1402 </span>  <span class="muComment"># env = nil</span>
+<span id="L1403" class="LineNr">1403 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1404" class="LineNr">1404 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L1405" class="LineNr">1405 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> env-ah
+<span id="L1406" class="LineNr">1406 </span>  <span class="muComment"># eval sym(a), nil env</span>
+<span id="L1407" class="LineNr">1407 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1408" class="LineNr">1408 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1409" class="LineNr">1409 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1410" class="LineNr">1410 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1411" class="LineNr">1411 </span>  <span class="muComment"># doesn't die</span>
+<span id="L1412" class="LineNr">1412 </span>  <a href='trace.mu.html#L281'>check-trace-contains</a> t, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;unbound symbol: a&quot;</span>, <span class="Constant">&quot;F - test-evaluate-is-well-behaved&quot;</span>
+<span id="L1413" class="LineNr">1413 </span><span class="Delimiter">}</span>
+<span id="L1414" class="LineNr">1414 </span>
+<span id="L1415" class="LineNr">1415 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1415'>test-evaluate-number</a></span> <span class="Delimiter">{</span>
+<span id="L1416" class="LineNr">1416 </span>  <span class="muComment"># env = nil</span>
+<span id="L1417" class="LineNr">1417 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1418" class="LineNr">1418 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L1419" class="LineNr">1419 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> env-ah
+<span id="L1420" class="LineNr">1420 </span>  <span class="muComment"># tmp = 3</span>
+<span id="L1421" class="LineNr">1421 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1422" class="LineNr">1422 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1423" class="LineNr">1423 </span>  <a href='cell.mu.html#L84'>new-integer</a> tmp-ah, <span class="Constant">3</span>
+<span id="L1424" class="LineNr">1424 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1425" class="LineNr">1425 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1426" class="LineNr">1426 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1427" class="LineNr">1427 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1428" class="LineNr">1428 </span>  <span class="muComment">#</span>
+<span id="L1429" class="LineNr">1429 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1430" class="LineNr">1430 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1431" class="LineNr">1431 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1415'>test-evaluate-number</a>/0&quot;</span>
+<span id="L1432" class="LineNr">1432 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
+<span id="L1433" class="LineNr">1433 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
+<span id="L1434" class="LineNr">1434 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1415'>test-evaluate-number</a>/1&quot;</span>
+<span id="L1435" class="LineNr">1435 </span><span class="Delimiter">}</span>
+<span id="L1436" class="LineNr">1436 </span>
+<span id="L1437" class="LineNr">1437 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1437'>test-evaluate-symbol</a></span> <span class="Delimiter">{</span>
+<span id="L1438" class="LineNr">1438 </span>  <span class="muComment"># tmp = (a . 3)</span>
+<span id="L1439" class="LineNr">1439 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1440" class="LineNr">1440 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
+<span id="L1441" class="LineNr">1441 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
+<span id="L1442" class="LineNr">1442 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1443" class="LineNr">1443 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
+<span id="L1444" class="LineNr">1444 </span>  <a href='cell.mu.html#L39'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1445" class="LineNr">1445 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1446" class="LineNr">1446 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L1447" class="LineNr">1447 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *key-ah, *val-ah
+<span id="L1448" class="LineNr">1448 </span>  <span class="muComment"># env = ((a . 3))</span>
+<span id="L1449" class="LineNr">1449 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1450" class="LineNr">1450 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1451" class="LineNr">1451 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1452" class="LineNr">1452 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, *env-ah, *nil-ah
+<span id="L1453" class="LineNr">1453 </span>  <span class="muComment"># eval sym(a), env</span>
+<span id="L1454" class="LineNr">1454 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1455" class="LineNr">1455 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1456" class="LineNr">1456 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1457" class="LineNr">1457 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1458" class="LineNr">1458 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1459" class="LineNr">1459 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1460" class="LineNr">1460 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1461" class="LineNr">1461 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1462" class="LineNr">1462 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1463" class="LineNr">1463 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1437'>test-evaluate-symbol</a>/0&quot;</span>
+<span id="L1464" class="LineNr">1464 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
+<span id="L1465" class="LineNr">1465 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
+<span id="L1466" class="LineNr">1466 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1437'>test-evaluate-symbol</a>/1&quot;</span>
+<span id="L1467" class="LineNr">1467 </span><span class="Delimiter">}</span>
+<span id="L1468" class="LineNr">1468 </span>
+<span id="L1469" class="LineNr">1469 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1469'>test-evaluate-quote</a></span> <span class="Delimiter">{</span>
+<span id="L1470" class="LineNr">1470 </span>  <span class="muComment"># env = nil</span>
+<span id="L1471" class="LineNr">1471 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1472" class="LineNr">1472 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1473" class="LineNr">1473 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1474" class="LineNr">1474 </span>  <span class="muComment"># eval `a, env</span>
+<span id="L1475" class="LineNr">1475 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1476" class="LineNr">1476 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1477" class="LineNr">1477 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;'&quot;</span>
+<span id="L1478" class="LineNr">1478 </span>  <span class="PreProc">var</span> tmp2-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1479" class="LineNr">1479 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-storage
+<span id="L1480" class="LineNr">1480 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp2-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1481" class="LineNr">1481 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *tmp-ah, *tmp2-ah
+<span id="L1482" class="LineNr">1482 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1483" class="LineNr">1483 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1484" class="LineNr">1484 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1485" class="LineNr">1485 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1486" class="LineNr">1486 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1487" class="LineNr">1487 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1488" class="LineNr">1488 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">2</span>/symbol, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1469'>test-evaluate-quote</a>/0&quot;</span>
+<span id="L1489" class="LineNr">1489 </span>  <span class="PreProc">var</span> sym?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> result, <span class="Constant">&quot;a&quot;</span>
+<span id="L1490" class="LineNr">1490 </span>  <a href='../502test.mu.html#L19'>check</a> sym?, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1469'>test-evaluate-quote</a>/1&quot;</span>
+<span id="L1491" class="LineNr">1491 </span><span class="Delimiter">}</span>
+<span id="L1492" class="LineNr">1492 </span>
+<span id="L1493" class="LineNr">1493 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1493'>test-evaluate-primitive-function</a></span> <span class="Delimiter">{</span>
+<span id="L1494" class="LineNr">1494 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L1495" class="LineNr">1495 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L1496" class="LineNr">1496 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L1497" class="LineNr">1497 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1498" class="LineNr">1498 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1499" class="LineNr">1499 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1500" class="LineNr">1500 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1501" class="LineNr">1501 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
+<span id="L1502" class="LineNr">1502 </span>  <a href='cell.mu.html#L39'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
+<span id="L1503" class="LineNr">1503 </span>  <span class="muComment"># eval +, nil env</span>
+<span id="L1504" class="LineNr">1504 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1505" class="LineNr">1505 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1506" class="LineNr">1506 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1507" class="LineNr">1507 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1508" class="LineNr">1508 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1509" class="LineNr">1509 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> add-ah, tmp-ah, *nil-ah, globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1510" class="LineNr">1510 </span>  <span class="muComment">#</span>
+<span id="L1511" class="LineNr">1511 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1512" class="LineNr">1512 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1513" class="LineNr">1513 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1493'>test-evaluate-primitive-function</a>/0&quot;</span>
+<span id="L1514" class="LineNr">1514 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
+<span id="L1515" class="LineNr">1515 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1493'>test-evaluate-primitive-function</a>/1&quot;</span>
+<span id="L1516" class="LineNr">1516 </span><span class="Delimiter">}</span>
+<span id="L1517" class="LineNr">1517 </span>
+<span id="L1518" class="LineNr">1518 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1518'>test-evaluate-primitive-function-call</a></span> <span class="Delimiter">{</span>
+<span id="L1519" class="LineNr">1519 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1520" class="LineNr">1520 </span>  <span class="PreProc">var</span> t/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1521" class="LineNr">1521 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x100</span>/capacity, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
+<span id="L1522" class="LineNr">1522 </span>  <span class="muComment">#</span>
+<span id="L1523" class="LineNr">1523 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1524" class="LineNr">1524 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1525" class="LineNr">1525 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1526" class="LineNr">1526 </span>  <span class="PreProc">var</span> one-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1527" class="LineNr">1527 </span>  <span class="PreProc">var</span> one-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address one-storage
+<span id="L1528" class="LineNr">1528 </span>  <a href='cell.mu.html#L84'>new-integer</a> one-ah, <span class="Constant">1</span>
+<span id="L1529" class="LineNr">1529 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1530" class="LineNr">1530 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
+<span id="L1531" class="LineNr">1531 </span>  <a href='cell.mu.html#L39'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
+<span id="L1532" class="LineNr">1532 </span>  <span class="muComment"># input is (+ 1 1)</span>
+<span id="L1533" class="LineNr">1533 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1534" class="LineNr">1534 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1535" class="LineNr">1535 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *one-ah, *nil-ah
+<span id="L1536" class="LineNr">1536 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *one-ah, *tmp-ah
+<span id="L1537" class="LineNr">1537 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *add-ah, *tmp-ah
+<span id="L1538" class="LineNr">1538 </span><span class="CommentedCode">#?   dump-cell tmp-ah</span>
+<span id="L1539" class="LineNr">1539 </span>  <span class="muComment">#</span>
+<span id="L1540" class="LineNr">1540 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L1541" class="LineNr">1541 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L1542" class="LineNr">1542 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L1543" class="LineNr">1543 </span>  <span class="muComment">#</span>
+<span id="L1544" class="LineNr">1544 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1545" class="LineNr">1545 </span><span class="CommentedCode">#?   dump-trace t</span>
+<span id="L1546" class="LineNr">1546 </span>  <span class="muComment">#</span>
+<span id="L1547" class="LineNr">1547 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1548" class="LineNr">1548 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1549" class="LineNr">1549 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1518'>test-evaluate-primitive-function-call</a>/0&quot;</span>
+<span id="L1550" class="LineNr">1550 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
+<span id="L1551" class="LineNr">1551 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
+<span id="L1552" class="LineNr">1552 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1518'>test-evaluate-primitive-function-call</a>/1&quot;</span>
+<span id="L1553" class="LineNr">1553 </span><span class="Delimiter">}</span>
+<span id="L1554" class="LineNr">1554 </span>
+<span id="L1555" class="LineNr">1555 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1555'>test-evaluate-backquote</a></span> <span class="Delimiter">{</span>
+<span id="L1556" class="LineNr">1556 </span>  <span class="muComment"># env = nil</span>
+<span id="L1557" class="LineNr">1557 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1558" class="LineNr">1558 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1559" class="LineNr">1559 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1560" class="LineNr">1560 </span>  <span class="muComment"># eval `a, env</span>
+<span id="L1561" class="LineNr">1561 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1562" class="LineNr">1562 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1563" class="LineNr">1563 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;`&quot;</span>
+<span id="L1564" class="LineNr">1564 </span>  <span class="PreProc">var</span> tmp2-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1565" class="LineNr">1565 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-storage
+<span id="L1566" class="LineNr">1566 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp2-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1567" class="LineNr">1567 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *tmp-ah, *tmp2-ah
+<span id="L1568" class="LineNr">1568 </span>  clear-object tmp2-ah
+<span id="L1569" class="LineNr">1569 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1570" class="LineNr">1570 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1571" class="LineNr">1571 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1572" class="LineNr">1572 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp2-ah, *nil-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1573" class="LineNr">1573 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp2-ah
+<span id="L1574" class="LineNr">1574 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1575" class="LineNr">1575 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">2</span>/symbol, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1555'>test-evaluate-backquote</a>/0&quot;</span>
+<span id="L1576" class="LineNr">1576 </span>  <span class="PreProc">var</span> sym?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> result, <span class="Constant">&quot;a&quot;</span>
+<span id="L1577" class="LineNr">1577 </span>  <a href='../502test.mu.html#L19'>check</a> sym?, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1555'>test-evaluate-backquote</a>/1&quot;</span>
+<span id="L1578" class="LineNr">1578 </span><span class="Delimiter">}</span>
+<span id="L1579" class="LineNr">1579 </span>
+<span id="L1580" class="LineNr">1580 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1580'>evaluate-backquote</a></span> _in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _out-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
+<span id="L1581" class="LineNr">1581 </span>  <span class="muComment"># stack overflow?   # disable when enabling Really-debug-print</span>
+<span id="L1582" class="LineNr">1582 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen _in-ah</span>
+<span id="L1583" class="LineNr">1583 </span>  <a href='../315stack-debug.subx.html#L5'>check-stack</a>
+<span id="L1584" class="LineNr">1584 </span>  <span class="Delimiter">{</span>
+<span id="L1585" class="LineNr">1585 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
+<span id="L1586" class="LineNr">1586 </span>    compare <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, <span class="Constant">0</span>
+<span id="L1587" class="LineNr">1587 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1588" class="LineNr">1588 </span>    <span class="PreProc">var</span> screen-cell-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-cell
+<span id="L1589" class="LineNr">1589 </span>    compare screen-cell-addr, <span class="Constant">0</span>
+<span id="L1590" class="LineNr">1590 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1591" class="LineNr">1591 </span>    <span class="muComment"># if screen-cell exists, we're probably not in a test</span>
+<span id="L1592" class="LineNr">1592 </span>    <a href='../315stack-debug.subx.html#L26'>show-stack-state</a>
+<span id="L1593" class="LineNr">1593 </span>  <span class="Delimiter">}</span>
+<span id="L1594" class="LineNr">1594 </span>  <span class="muComment"># errors? skip</span>
+<span id="L1595" class="LineNr">1595 </span>  <span class="Delimiter">{</span>
+<span id="L1596" class="LineNr">1596 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L1597" class="LineNr">1597 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L1598" class="LineNr">1598 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1599" class="LineNr">1599 </span>    <span class="PreProc">return</span>
+<span id="L1600" class="LineNr">1600 </span>  <span class="Delimiter">}</span>
+<span id="L1601" class="LineNr">1601 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L1602" class="LineNr">1602 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L1603" class="LineNr">1603 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L1604" class="LineNr">1604 </span>  <span class="Delimiter">{</span>
+<span id="L1605" class="LineNr">1605 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in
+<span id="L1606" class="LineNr">1606 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L1607" class="LineNr">1607 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1608" class="LineNr">1608 </span>    <span class="muComment"># nil is a literal</span>
+<span id="L1609" class="LineNr">1609 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote nil&quot;</span>
+<span id="L1610" class="LineNr">1610 </span>    copy-object _in-ah, _out-ah
+<span id="L1611" class="LineNr">1611 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1612" class="LineNr">1612 </span>    <span class="PreProc">return</span>
+<span id="L1613" class="LineNr">1613 </span>  <span class="Delimiter">}</span>
+<span id="L1614" class="LineNr">1614 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L1615" class="LineNr">1615 </span>  compare *in-type, <span class="Constant">0</span>/pair
+<span id="L1616" class="LineNr">1616 </span>  <span class="Delimiter">{</span>
+<span id="L1617" class="LineNr">1617 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1618" class="LineNr">1618 </span>    <span class="muComment"># copy non-pairs directly</span>
+<span id="L1619" class="LineNr">1619 </span>    <span class="muComment"># TODO: streams might need to be copied</span>
+<span id="L1620" class="LineNr">1620 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote atom&quot;</span>
+<span id="L1621" class="LineNr">1621 </span>    copy-object _in-ah, _out-ah
+<span id="L1622" class="LineNr">1622 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1623" class="LineNr">1623 </span>    <span class="PreProc">return</span>
+<span id="L1624" class="LineNr">1624 </span>  <span class="Delimiter">}</span>
+<span id="L1625" class="LineNr">1625 </span>  <span class="muComment"># 'in' is a pair</span>
+<span id="L1626" class="LineNr">1626 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;()&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1627" class="LineNr">1627 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L1628" class="LineNr">1628 </span>  <span class="PreProc">var</span> _in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L1629" class="LineNr">1629 </span>  <span class="PreProc">var</span> in/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L1630" class="LineNr">1630 </span>  <span class="PreProc">var</span> in-left-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L1631" class="LineNr">1631 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;10&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1632" class="LineNr">1632 </span>  <span class="muComment"># check for unquote</span>
+<span id="L1633" class="LineNr">1633 </span>  $macroexpand-iter:unquote: <span class="Delimiter">{</span>
+<span id="L1634" class="LineNr">1634 </span>    <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-ah
+<span id="L1635" class="LineNr">1635 </span>    <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> in-left, <span class="Constant">&quot;,&quot;</span>
+<span id="L1636" class="LineNr">1636 </span>    compare unquote?, <span class="Constant">0</span>/false
+<span id="L1637" class="LineNr">1637 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1638" class="LineNr">1638 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;unquote&quot;</span>
+<span id="L1639" class="LineNr">1639 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L1640" class="LineNr">1640 </span>    increment call-number
+<span id="L1641" class="LineNr">1641 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;,&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1642" class="LineNr">1642 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> rest-ah, _out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L1643" class="LineNr">1643 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;,)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1644" class="LineNr">1644 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1645" class="LineNr">1645 </span>    <span class="PreProc">return</span>
+<span id="L1646" class="LineNr">1646 </span>  <span class="Delimiter">}</span>
+<span id="L1647" class="LineNr">1647 </span>  <span class="muComment"># check for unquote-splice in in-left</span>
+<span id="L1648" class="LineNr">1648 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;11&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1649" class="LineNr">1649 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
+<span id="L1650" class="LineNr">1650 </span>  $macroexpand-iter:unquote-splice: <span class="Delimiter">{</span>
+<span id="L1651" class="LineNr">1651 </span><span class="CommentedCode">#?     dump-cell-from-cursor-over-full-screen in-left-ah</span>
+<span id="L1652" class="LineNr">1652 </span>    <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-ah
+<span id="L1653" class="LineNr">1653 </span>    <span class="Delimiter">{</span>
+<span id="L1654" class="LineNr">1654 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;12&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1655" class="LineNr">1655 </span>      <span class="Delimiter">{</span>
+<span id="L1656" class="LineNr">1656 </span>        <span class="PreProc">var</span> in-left-is-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in-left
+<span id="L1657" class="LineNr">1657 </span>        compare in-left-is-nil?, <span class="Constant">0</span>/false
+<span id="L1658" class="LineNr">1658 </span>      <span class="Delimiter">}</span>
+<span id="L1659" class="LineNr">1659 </span>      <span class="PreProc">break-if-!=</span> $macroexpand-iter:unquote-splice
+<span id="L1660" class="LineNr">1660 </span>      <span class="PreProc">var</span> in-left-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-left, <span class="PreProc">type</span>
+<span id="L1661" class="LineNr">1661 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;13&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1662" class="LineNr">1662 </span>      compare *in-left-type, <span class="Constant">0</span>/pair
+<span id="L1663" class="LineNr">1663 </span>      <span class="PreProc">break-if-!=</span> $macroexpand-iter:unquote-splice
+<span id="L1664" class="LineNr">1664 </span>      <span class="PreProc">var</span> in-left-left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in-left, left
+<span id="L1665" class="LineNr">1665 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;14&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1666" class="LineNr">1666 </span>      <span class="PreProc">var</span> in-left-left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-left-left-ah
+<span id="L1667" class="LineNr">1667 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;15&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1668" class="LineNr">1668 </span>      <span class="PreProc">var</span> in-left-left-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-left-left, <span class="PreProc">type</span>
+<span id="L1669" class="LineNr">1669 </span>      <span class="PreProc">var</span> left-is-unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> in-left-left, <span class="Constant">&quot;,@&quot;</span>
+<span id="L1670" class="LineNr">1670 </span>      <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;16&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1671" class="LineNr">1671 </span>      compare left-is-unquote-splice?, <span class="Constant">0</span>/false
+<span id="L1672" class="LineNr">1672 </span>    <span class="Delimiter">}</span>
+<span id="L1673" class="LineNr">1673 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1674" class="LineNr">1674 </span>    <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;17&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1675" class="LineNr">1675 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;unquote-splice&quot;</span>
+<span id="L1676" class="LineNr">1676 </span>    <span class="PreProc">var</span> in-unquote-payload-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in-left, right
+<span id="L1677" class="LineNr">1677 </span>    increment call-number
+<span id="L1678" class="LineNr">1678 </span>    <a href='evaluate.mu.html#L5'>evaluate</a> in-unquote-payload-ah, out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L1679" class="LineNr">1679 </span>    <span class="muComment"># errors? skip</span>
+<span id="L1680" class="LineNr">1680 </span>    <span class="Delimiter">{</span>
+<span id="L1681" class="LineNr">1681 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L1682" class="LineNr">1682 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L1683" class="LineNr">1683 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1684" class="LineNr">1684 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1685" class="LineNr">1685 </span>      <span class="PreProc">return</span>
+<span id="L1686" class="LineNr">1686 </span>    <span class="Delimiter">}</span>
+<span id="L1687" class="LineNr">1687 </span>    <span class="muComment"># while (*out-ah != null) out-ah = cdr(out-ah)</span>
+<span id="L1688" class="LineNr">1688 </span>    <span class="Delimiter">{</span>
+<span id="L1689" class="LineNr">1689 </span>      <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
+<span id="L1690" class="LineNr">1690 </span>      <span class="Delimiter">{</span>
+<span id="L1691" class="LineNr">1691 </span>        <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> out
+<span id="L1692" class="LineNr">1692 </span>        compare done?, <span class="Constant">0</span>/false
+<span id="L1693" class="LineNr">1693 </span>      <span class="Delimiter">}</span>
+<span id="L1694" class="LineNr">1694 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1695" class="LineNr">1695 </span>      out-ah <span class="Special">&lt;-</span> get out, right
+<span id="L1696" class="LineNr">1696 </span>      <span class="PreProc">loop</span>
+<span id="L1697" class="LineNr">1697 </span>    <span class="Delimiter">}</span>
+<span id="L1698" class="LineNr">1698 </span>    <span class="muComment"># append result of in-right</span>
+<span id="L1699" class="LineNr">1699 </span>    <span class="PreProc">var</span> in-right-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L1700" class="LineNr">1700 </span>    <a href='evaluate.mu.html#L1580'>evaluate-backquote</a> in-right-ah, out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L1701" class="LineNr">1701 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1702" class="LineNr">1702 </span>    <span class="PreProc">return</span>
+<span id="L1703" class="LineNr">1703 </span>  <span class="Delimiter">}</span>
+<span id="L1704" class="LineNr">1704 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;19&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1705" class="LineNr">1705 </span>  <span class="muComment"># otherwise continue copying</span>
+<span id="L1706" class="LineNr">1706 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;backquote: copy&quot;</span>
+<span id="L1707" class="LineNr">1707 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-ah
+<span id="L1708" class="LineNr">1708 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> out-ah
+<span id="L1709" class="LineNr">1709 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;20&quot;</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1710" class="LineNr">1710 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen out-ah</span>
+<span id="L1711" class="LineNr">1711 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
+<span id="L1712" class="LineNr">1712 </span>  <span class="PreProc">var</span> out-left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out, left
+<span id="L1713" class="LineNr">1713 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`(l&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1714" class="LineNr">1714 </span>  <a href='evaluate.mu.html#L1580'>evaluate-backquote</a> in-left-ah, out-left-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L1715" class="LineNr">1715 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1716" class="LineNr">1716 </span>  <span class="muComment"># errors? skip</span>
+<span id="L1717" class="LineNr">1717 </span>  <span class="Delimiter">{</span>
+<span id="L1718" class="LineNr">1718 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L1719" class="LineNr">1719 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L1720" class="LineNr">1720 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1721" class="LineNr">1721 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1722" class="LineNr">1722 </span>    <span class="PreProc">return</span>
+<span id="L1723" class="LineNr">1723 </span>  <span class="Delimiter">}</span>
+<span id="L1724" class="LineNr">1724 </span>  <span class="PreProc">var</span> in-right-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L1725" class="LineNr">1725 </span>  <span class="PreProc">var</span> out-right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out, right
+<span id="L1726" class="LineNr">1726 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r(&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1727" class="LineNr">1727 </span>  <a href='evaluate.mu.html#L1580'>evaluate-backquote</a> in-right-ah, out-right-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
+<span id="L1728" class="LineNr">1728 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;`r)&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1729" class="LineNr">1729 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L1730" class="LineNr">1730 </span><span class="Delimiter">}</span>
+<span id="L1731" class="LineNr">1731 </span>
+<span id="L1732" class="LineNr">1732 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1732'>test-evaluate-backquote-list</a></span> <span class="Delimiter">{</span>
+<span id="L1733" class="LineNr">1733 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1734" class="LineNr">1734 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L1735" class="LineNr">1735 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1736" class="LineNr">1736 </span>  <span class="PreProc">var</span> backquote-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1737" class="LineNr">1737 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-storage
+<span id="L1738" class="LineNr">1738 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
+<span id="L1739" class="LineNr">1739 </span>  <span class="muComment"># input is `(a b)</span>
+<span id="L1740" class="LineNr">1740 </span>  <span class="PreProc">var</span> a-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1741" class="LineNr">1741 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-storage
+<span id="L1742" class="LineNr">1742 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1743" class="LineNr">1743 </span>  <span class="PreProc">var</span> b-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1744" class="LineNr">1744 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-storage
+<span id="L1745" class="LineNr">1745 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
+<span id="L1746" class="LineNr">1746 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1747" class="LineNr">1747 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L1748" class="LineNr">1748 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *b-ah, *nil-ah
+<span id="L1749" class="LineNr">1749 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *a-ah, *tmp-ah
+<span id="L1750" class="LineNr">1750 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, *backquote-ah, *tmp-ah
+<span id="L1751" class="LineNr">1751 </span>  <span class="muComment">#</span>
+<span id="L1752" class="LineNr">1752 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1753" class="LineNr">1753 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1754" class="LineNr">1754 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1755" class="LineNr">1755 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1756" class="LineNr">1756 </span>  <span class="muComment"># result is (a b)</span>
+<span id="L1757" class="LineNr">1757 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1758" class="LineNr">1758 </span>  <span class="Delimiter">{</span>
+<span id="L1759" class="LineNr">1759 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1760" class="LineNr">1760 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1732'>test-evaluate-backquote-list</a>/0&quot;</span>
+<span id="L1761" class="LineNr">1761 </span>  <span class="Delimiter">}</span>
+<span id="L1762" class="LineNr">1762 </span>  <span class="Delimiter">{</span>
+<span id="L1763" class="LineNr">1763 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
+<span id="L1764" class="LineNr">1764 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
+<span id="L1765" class="LineNr">1765 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
+<span id="L1766" class="LineNr">1766 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1732'>test-evaluate-backquote-list</a>/1&quot;</span>
+<span id="L1767" class="LineNr">1767 </span>  <span class="Delimiter">}</span>
+<span id="L1768" class="LineNr">1768 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
+<span id="L1769" class="LineNr">1769 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1770" class="LineNr">1770 </span>  <span class="Delimiter">{</span>
+<span id="L1771" class="LineNr">1771 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L1772" class="LineNr">1772 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
+<span id="L1773" class="LineNr">1773 </span>    <span class="PreProc">var</span> check2/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a2, <span class="Constant">&quot;b&quot;</span>
+<span id="L1774" class="LineNr">1774 </span>    <a href='../502test.mu.html#L19'>check</a> check2, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1732'>test-evaluate-backquote-list</a>/2&quot;</span>
+<span id="L1775" class="LineNr">1775 </span>  <span class="Delimiter">}</span>
+<span id="L1776" class="LineNr">1776 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L1777" class="LineNr">1777 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1778" class="LineNr">1778 </span>  <span class="PreProc">var</span> check3/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> rest
+<span id="L1779" class="LineNr">1779 </span>  <a href='../502test.mu.html#L19'>check</a> check3, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1732'>test-evaluate-backquote-list</a>/3&quot;</span>
+<span id="L1780" class="LineNr">1780 </span><span class="Delimiter">}</span>
+<span id="L1781" class="LineNr">1781 </span>
+<span id="L1782" class="LineNr">1782 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1782'>test-evaluate-backquote-list-with-unquote</a></span> <span class="Delimiter">{</span>
+<span id="L1783" class="LineNr">1783 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1784" class="LineNr">1784 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
+<span id="L1785" class="LineNr">1785 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1786" class="LineNr">1786 </span>  <span class="PreProc">var</span> backquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1787" class="LineNr">1787 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-h
+<span id="L1788" class="LineNr">1788 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
+<span id="L1789" class="LineNr">1789 </span>  <span class="PreProc">var</span> unquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1790" class="LineNr">1790 </span>  <span class="PreProc">var</span> unquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address unquote-h
+<span id="L1791" class="LineNr">1791 </span>  <a href='cell.mu.html#L39'>new-symbol</a> unquote-ah, <span class="Constant">&quot;,&quot;</span>
+<span id="L1792" class="LineNr">1792 </span>  <span class="PreProc">var</span> a-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1793" class="LineNr">1793 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-h
+<span id="L1794" class="LineNr">1794 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1795" class="LineNr">1795 </span>  <span class="PreProc">var</span> b-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1796" class="LineNr">1796 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-h
+<span id="L1797" class="LineNr">1797 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
+<span id="L1798" class="LineNr">1798 </span>  <span class="muComment"># env = ((b . 3))</span>
+<span id="L1799" class="LineNr">1799 </span>  <span class="PreProc">var</span> val-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1800" class="LineNr">1800 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-h
+<span id="L1801" class="LineNr">1801 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
+<span id="L1802" class="LineNr">1802 </span>  <span class="PreProc">var</span> env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1803" class="LineNr">1803 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
+<span id="L1804" class="LineNr">1804 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, b-h, val-h
+<span id="L1805" class="LineNr">1805 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, env-h, nil-h
+<span id="L1806" class="LineNr">1806 </span>  <span class="muComment"># input is `(a ,b)</span>
+<span id="L1807" class="LineNr">1807 </span>  <span class="PreProc">var</span> tmp-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1808" class="LineNr">1808 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-h
+<span id="L1809" class="LineNr">1809 </span>  <span class="muComment"># tmp = cons(unquote, b)</span>
+<span id="L1810" class="LineNr">1810 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, unquote-h, b-h
+<span id="L1811" class="LineNr">1811 </span>  <span class="muComment"># tmp = cons(tmp, nil)</span>
+<span id="L1812" class="LineNr">1812 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, tmp-h, nil-h
+<span id="L1813" class="LineNr">1813 </span>  <span class="muComment"># tmp = cons(a, tmp)</span>
+<span id="L1814" class="LineNr">1814 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, a-h, tmp-h
+<span id="L1815" class="LineNr">1815 </span>  <span class="muComment"># tmp = cons(backquote, tmp)</span>
+<span id="L1816" class="LineNr">1816 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, backquote-h, tmp-h
+<span id="L1817" class="LineNr">1817 </span>  <span class="muComment">#</span>
+<span id="L1818" class="LineNr">1818 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1819" class="LineNr">1819 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1820" class="LineNr">1820 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1821" class="LineNr">1821 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, env-h, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1822" class="LineNr">1822 </span>  <span class="muComment"># result is (a 3)</span>
+<span id="L1823" class="LineNr">1823 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1824" class="LineNr">1824 </span>  <span class="Delimiter">{</span>
+<span id="L1825" class="LineNr">1825 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1826" class="LineNr">1826 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1782'>test-evaluate-backquote-list-with-unquote</a>/0&quot;</span>
+<span id="L1827" class="LineNr">1827 </span>  <span class="Delimiter">}</span>
+<span id="L1828" class="LineNr">1828 </span>  <span class="Delimiter">{</span>
+<span id="L1829" class="LineNr">1829 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
+<span id="L1830" class="LineNr">1830 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
+<span id="L1831" class="LineNr">1831 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
+<span id="L1832" class="LineNr">1832 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1782'>test-evaluate-backquote-list-with-unquote</a>/1&quot;</span>
+<span id="L1833" class="LineNr">1833 </span>  <span class="Delimiter">}</span>
+<span id="L1834" class="LineNr">1834 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
+<span id="L1835" class="LineNr">1835 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1836" class="LineNr">1836 </span>  <span class="Delimiter">{</span>
+<span id="L1837" class="LineNr">1837 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L1838" class="LineNr">1838 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
+<span id="L1839" class="LineNr">1839 </span>    <span class="PreProc">var</span> a2-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a2, number-data
+<span id="L1840" class="LineNr">1840 </span>    <span class="PreProc">var</span> a2-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *a2-value-addr
+<span id="L1841" class="LineNr">1841 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> a2-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1782'>test-evaluate-backquote-list-with-unquote</a>/2&quot;</span>
+<span id="L1842" class="LineNr">1842 </span>  <span class="Delimiter">}</span>
+<span id="L1843" class="LineNr">1843 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L1844" class="LineNr">1844 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1845" class="LineNr">1845 </span>  <span class="PreProc">var</span> check3/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> rest
+<span id="L1846" class="LineNr">1846 </span>  <a href='../502test.mu.html#L19'>check</a> check3, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1782'>test-evaluate-backquote-list-with-unquote</a>/3&quot;</span>
+<span id="L1847" class="LineNr">1847 </span><span class="Delimiter">}</span>
+<span id="L1848" class="LineNr">1848 </span>
+<span id="L1849" class="LineNr">1849 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a></span> <span class="Delimiter">{</span>
+<span id="L1850" class="LineNr">1850 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1851" class="LineNr">1851 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
+<span id="L1852" class="LineNr">1852 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L1853" class="LineNr">1853 </span>  <span class="PreProc">var</span> backquote-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1854" class="LineNr">1854 </span>  <span class="PreProc">var</span> backquote-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address backquote-h
+<span id="L1855" class="LineNr">1855 </span>  <a href='cell.mu.html#L39'>new-symbol</a> backquote-ah, <span class="Constant">&quot;`&quot;</span>
+<span id="L1856" class="LineNr">1856 </span>  <span class="PreProc">var</span> unquote-splice-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1857" class="LineNr">1857 </span>  <span class="PreProc">var</span> unquote-splice-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address unquote-splice-h
+<span id="L1858" class="LineNr">1858 </span>  <a href='cell.mu.html#L39'>new-symbol</a> unquote-splice-ah, <span class="Constant">&quot;,@&quot;</span>
+<span id="L1859" class="LineNr">1859 </span>  <span class="PreProc">var</span> a-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1860" class="LineNr">1860 </span>  <span class="PreProc">var</span> a-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-h
+<span id="L1861" class="LineNr">1861 </span>  <a href='cell.mu.html#L39'>new-symbol</a> a-ah, <span class="Constant">&quot;a&quot;</span>
+<span id="L1862" class="LineNr">1862 </span>  <span class="PreProc">var</span> b-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1863" class="LineNr">1863 </span>  <span class="PreProc">var</span> b-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-h
+<span id="L1864" class="LineNr">1864 </span>  <a href='cell.mu.html#L39'>new-symbol</a> b-ah, <span class="Constant">&quot;b&quot;</span>
+<span id="L1865" class="LineNr">1865 </span>  <span class="muComment"># env = ((b . (a 3)))</span>
+<span id="L1866" class="LineNr">1866 </span>  <span class="PreProc">var</span> val-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1867" class="LineNr">1867 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-h
+<span id="L1868" class="LineNr">1868 </span>  <a href='cell.mu.html#L84'>new-integer</a> val-ah, <span class="Constant">3</span>
+<span id="L1869" class="LineNr">1869 </span>  <a href='cell.mu.html#L116'>new-pair</a> val-ah, val-h, nil-h
+<span id="L1870" class="LineNr">1870 </span>  <a href='cell.mu.html#L116'>new-pair</a> val-ah, a-h, val-h
+<span id="L1871" class="LineNr">1871 </span>  <span class="PreProc">var</span> env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1872" class="LineNr">1872 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
+<span id="L1873" class="LineNr">1873 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, b-h, val-h
+<span id="L1874" class="LineNr">1874 </span>  <a href='cell.mu.html#L116'>new-pair</a> env-ah, env-h, nil-h
+<span id="L1875" class="LineNr">1875 </span>  <span class="muComment"># input is `(a ,@b b)</span>
+<span id="L1876" class="LineNr">1876 </span>  <span class="PreProc">var</span> tmp-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1877" class="LineNr">1877 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-h
+<span id="L1878" class="LineNr">1878 </span>  <span class="muComment"># tmp = cons(b, nil)</span>
+<span id="L1879" class="LineNr">1879 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, b-h, nil-h
+<span id="L1880" class="LineNr">1880 </span>  <span class="muComment"># tmp2 = cons(unquote-splice, b)</span>
+<span id="L1881" class="LineNr">1881 </span>  <span class="PreProc">var</span> tmp2-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L1882" class="LineNr">1882 </span>  <span class="PreProc">var</span> tmp2-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp2-h
+<span id="L1883" class="LineNr">1883 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp2-ah, unquote-splice-h, b-h
+<span id="L1884" class="LineNr">1884 </span>  <span class="muComment"># tmp = cons(tmp2, tmp)</span>
+<span id="L1885" class="LineNr">1885 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, tmp2-h, tmp-h
+<span id="L1886" class="LineNr">1886 </span>  <span class="muComment"># tmp = cons(a, tmp)</span>
+<span id="L1887" class="LineNr">1887 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, a-h, tmp-h
+<span id="L1888" class="LineNr">1888 </span>  <span class="muComment"># tmp = cons(backquote, tmp)</span>
+<span id="L1889" class="LineNr">1889 </span>  <a href='cell.mu.html#L116'>new-pair</a> tmp-ah, backquote-h, tmp-h
+<span id="L1890" class="LineNr">1890 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen tmp-ah</span>
+<span id="L1891" class="LineNr">1891 </span>  <span class="muComment">#</span>
+<span id="L1892" class="LineNr">1892 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L1893" class="LineNr">1893 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L1894" class="LineNr">1894 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L1895" class="LineNr">1895 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, env-h, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L1896" class="LineNr">1896 </span>  <span class="muComment"># result is (a a 3 b)</span>
+<span id="L1897" class="LineNr">1897 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen tmp-ah</span>
+<span id="L1898" class="LineNr">1898 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L1899" class="LineNr">1899 </span>  <span class="Delimiter">{</span>
+<span id="L1900" class="LineNr">1900 </span>    <span class="PreProc">var</span> result-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
+<span id="L1901" class="LineNr">1901 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">0</span>/pair, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/0&quot;</span>
+<span id="L1902" class="LineNr">1902 </span>  <span class="Delimiter">}</span>
+<span id="L1903" class="LineNr">1903 </span>  <span class="Delimiter">{</span>
+<span id="L1904" class="LineNr">1904 </span>    <span class="PreProc">var</span> a1-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, left
+<span id="L1905" class="LineNr">1905 </span>    <span class="PreProc">var</span> a1/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a1-ah
+<span id="L1906" class="LineNr">1906 </span>    <span class="PreProc">var</span> check1/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a1, <span class="Constant">&quot;a&quot;</span>
+<span id="L1907" class="LineNr">1907 </span>    <a href='../502test.mu.html#L19'>check</a> check1, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/1&quot;</span>
+<span id="L1908" class="LineNr">1908 </span>  <span class="Delimiter">}</span>
+<span id="L1909" class="LineNr">1909 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get result, right
+<span id="L1910" class="LineNr">1910 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1911" class="LineNr">1911 </span>  <span class="Delimiter">{</span>
+<span id="L1912" class="LineNr">1912 </span>    <span class="PreProc">var</span> a2-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L1913" class="LineNr">1913 </span>    <span class="PreProc">var</span> a2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a2-ah
+<span id="L1914" class="LineNr">1914 </span>    <span class="PreProc">var</span> check2/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a2, <span class="Constant">&quot;a&quot;</span>
+<span id="L1915" class="LineNr">1915 </span>    <a href='../502test.mu.html#L19'>check</a> check2, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/2&quot;</span>
+<span id="L1916" class="LineNr">1916 </span>  <span class="Delimiter">}</span>
+<span id="L1917" class="LineNr">1917 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L1918" class="LineNr">1918 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1919" class="LineNr">1919 </span>  <span class="Delimiter">{</span>
+<span id="L1920" class="LineNr">1920 </span>    <span class="PreProc">var</span> a3-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L1921" class="LineNr">1921 </span>    <span class="PreProc">var</span> a3/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a3-ah
+<span id="L1922" class="LineNr">1922 </span>    <span class="PreProc">var</span> a3-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a3, number-data
+<span id="L1923" class="LineNr">1923 </span>    <span class="PreProc">var</span> a3-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *a3-value-addr
+<span id="L1924" class="LineNr">1924 </span>    <a href='../502test.mu.html#L2'>check-ints-equal</a> a3-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/3&quot;</span>
+<span id="L1925" class="LineNr">1925 </span>  <span class="Delimiter">}</span>
+<span id="L1926" class="LineNr">1926 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L1927" class="LineNr">1927 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1928" class="LineNr">1928 </span>  <span class="Delimiter">{</span>
+<span id="L1929" class="LineNr">1929 </span>    <span class="PreProc">var</span> a4-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L1930" class="LineNr">1930 </span>    <span class="PreProc">var</span> a4/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a4-ah
+<span id="L1931" class="LineNr">1931 </span>    <span class="PreProc">var</span> check4/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> a4, <span class="Constant">&quot;b&quot;</span>
+<span id="L1932" class="LineNr">1932 </span>    <a href='../502test.mu.html#L19'>check</a> check4, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/4&quot;</span>
+<span id="L1933" class="LineNr">1933 </span>  <span class="Delimiter">}</span>
+<span id="L1934" class="LineNr">1934 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
+<span id="L1935" class="LineNr">1935 </span>  <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L1936" class="LineNr">1936 </span>  <span class="PreProc">var</span> check5/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> rest
+<span id="L1937" class="LineNr">1937 </span>  <a href='../502test.mu.html#L19'>check</a> check5, <span class="Constant">&quot;F - <a href='evaluate.mu.html#L1849'>test-evaluate-backquote-list-with-unquote-splice</a>/5&quot;</span>
+<span id="L1938" class="LineNr">1938 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/gap-buffer.mu.html b/html/shell/gap-buffer.mu.html
index 29e58b75..63864745 100644
--- a/html/shell/gap-buffer.mu.html
+++ b/html/shell/gap-buffer.mu.html
@@ -203,7 +203,7 @@ if ('onhashchange' in window) {
 <span id="L144" class="LineNr"> 144 </span>  <span class="Delimiter">}</span>
 <span id="L145" class="LineNr"> 145 </span>  <span class="muComment"># print a grapheme either way so that cursor position doesn't affect printed width</span>
 <span id="L146" class="LineNr"> 146 </span>  <span class="PreProc">var</span> space/<span class="Constant">edx</span>: grapheme <span class="Special">&lt;-</span> copy <span class="Constant">0x20</span>
-<span id="L147" class="LineNr"> 147 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L141'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, space, xmin, ymin, xmax, ymax, x2, y2, color, bg
+<span id="L147" class="LineNr"> 147 </span>  x2, y2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L148'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, space, xmin, ymin, xmax, ymax, x2, y2, color, bg
 <span id="L148" class="LineNr"> 148 </span>  <span class="PreProc">return</span> x2, y2
 <span id="L149" class="LineNr"> 149 </span><span class="Delimiter">}</span>
 <span id="L150" class="LineNr"> 150 </span>
diff --git a/html/shell/global.mu.html b/html/shell/global.mu.html
index db15c53f..ba1551ce 100644
--- a/html/shell/global.mu.html
+++ b/html/shell/global.mu.html
@@ -123,41 +123,41 @@ if ('onhashchange' in window) {
 <span id="L64" class="LineNr">  64 </span><span class="Delimiter">}</span>
 <span id="L65" class="LineNr">  65 </span>
 <span id="L66" class="LineNr">  66 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L66'>load-globals</a></span> in: (addr handle <a href='cell.mu.html#L1'>cell</a>), self: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
-<span id="L67" class="LineNr">  67 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading globals:&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L67" class="LineNr">  67 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading globals:&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
 <span id="L68" class="LineNr">  68 </span>  <span class="PreProc">var</span> remaining-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in
 <span id="L69" class="LineNr">  69 </span>  <span class="Delimiter">{</span>
 <span id="L70" class="LineNr">  70 </span>    <span class="PreProc">var</span> _remaining/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *remaining-ah
-<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">var</span> remaining/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _remaining
-<span id="L72" class="LineNr">  72 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> remaining
+<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">var</span> remaining/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _remaining
+<span id="L72" class="LineNr">  72 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> remaining
 <span id="L73" class="LineNr">  73 </span>    compare done?, <span class="Constant">0</span>/false
 <span id="L74" class="LineNr">  74 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L75" class="LineNr">  75 </span><span class="CommentedCode">#?     draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, &quot;b&quot;, 2/fg 0/bg</span>
 <span id="L76" class="LineNr">  76 </span>    <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get remaining, left
-<span id="L77" class="LineNr">  77 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-ah
-<span id="L78" class="LineNr">  78 </span>    remaining-ah <span class="Special">&lt;-</span> get remaining, right
-<span id="L79" class="LineNr">  79 </span>    <span class="Delimiter">{</span>
-<span id="L80" class="LineNr">  80 </span>      <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; &quot;</span>, <span class="Constant">2</span>/fg <span class="Constant">0</span>/bg
-<span id="L81" class="LineNr">  81 </span>      <span class="PreProc">var</span> name-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
-<span id="L82" class="LineNr">  82 </span>      <span class="PreProc">var</span> name/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *name-ah
-<span id="L83" class="LineNr">  83 </span>      <span class="PreProc">var</span> name-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get name, text-data
-<span id="L84" class="LineNr">  84 </span>      <span class="PreProc">var</span> name-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *name-data-ah
-<span id="L85" class="LineNr">  85 </span>      <a href='../106stream.subx.html#L59'>rewind-stream</a> name-data
-<span id="L86" class="LineNr">  86 </span>      <a href='../501draw-text.mu.html#L214'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, name-data, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L87" class="LineNr">  87 </span>    <span class="Delimiter">}</span>
+<span id="L77" class="LineNr">  77 </span>    <span class="PreProc">var</span> _curr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-ah
+<span id="L78" class="LineNr">  78 </span>    <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _curr
+<span id="L79" class="LineNr">  79 </span>    remaining-ah <span class="Special">&lt;-</span> get remaining, right
+<span id="L80" class="LineNr">  80 </span>    <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; &quot;</span>, <span class="Constant">2</span>/fg <span class="Constant">0</span>/bg
+<span id="L81" class="LineNr">  81 </span>    <span class="PreProc">var</span> name-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
+<span id="L82" class="LineNr">  82 </span>    <span class="PreProc">var</span> name/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *name-ah
+<span id="L83" class="LineNr">  83 </span>    <span class="PreProc">var</span> name-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get name, text-data
+<span id="L84" class="LineNr">  84 </span>    <span class="PreProc">var</span> _name-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *name-data-ah
+<span id="L85" class="LineNr">  85 </span>    <span class="PreProc">var</span> name-data/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _name-data
+<span id="L86" class="LineNr">  86 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> name-data
+<span id="L87" class="LineNr">  87 </span>    <a href='../501draw-text.mu.html#L235'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, name-data, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
 <span id="L88" class="LineNr">  88 </span>    <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
 <span id="L89" class="LineNr">  89 </span>    <span class="PreProc">var</span> value/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-ah
 <span id="L90" class="LineNr">  90 </span>    <span class="PreProc">var</span> value-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get value, text-data
 <span id="L91" class="LineNr">  91 </span>    <span class="PreProc">var</span> _value-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-data-ah
 <span id="L92" class="LineNr">  92 </span>    <span class="PreProc">var</span> value-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _value-data
 <span id="L93" class="LineNr">  93 </span>    <span class="PreProc">var</span> value-gap-buffer-storage: (handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>)
-<span id="L94" class="LineNr">  94 </span>    <span class="PreProc">var</span> value-gap-buffer-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address value-gap-buffer-storage
+<span id="L94" class="LineNr">  94 </span>    <span class="PreProc">var</span> value-gap-buffer-ah/<span class="Constant">edi</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address value-gap-buffer-storage
 <span id="L95" class="LineNr">  95 </span>    <a href='../120allocate.subx.html#L43'>allocate</a> value-gap-buffer-ah
 <span id="L96" class="LineNr">  96 </span>    <span class="PreProc">var</span> value-gap-buffer/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-gap-buffer-ah
 <span id="L97" class="LineNr">  97 </span>    <a href='gap-buffer.mu.html#L11'>initialize-gap-buffer</a> value-gap-buffer, <span class="Constant">0x1000</span>/4KB
 <span id="L98" class="LineNr">  98 </span><span class="CommentedCode">#?     draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, &quot;w&quot;, 2/fg 0/bg</span>
 <span id="L99" class="LineNr">  99 </span>    <a href='gap-buffer.mu.html#L52'>load-gap-buffer-from-stream</a> value-gap-buffer, value-data
 <span id="L100" class="LineNr"> 100 </span><span class="CommentedCode">#?     draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, &quot;x&quot;, 2/fg 0/bg</span>
-<span id="L101" class="LineNr"> 101 </span>    <a href='sandbox.mu.html#L638'>read-evaluate-and-move-to-globals</a> value-gap-buffer-ah, self
+<span id="L101" class="LineNr"> 101 </span>    <a href='sandbox.mu.html#L669'>read-evaluate-and-move-to-globals</a> value-gap-buffer-ah, self, name-data
 <span id="L102" class="LineNr"> 102 </span><span class="CommentedCode">#?     draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, &quot;y&quot;, 2/fg 0/bg</span>
 <span id="L103" class="LineNr"> 103 </span>    <span class="PreProc">loop</span>
 <span id="L104" class="LineNr"> 104 </span>  <span class="Delimiter">}</span>
@@ -213,7 +213,7 @@ if ('onhashchange' in window) {
 <span id="L154" class="LineNr"> 154 </span>
 <span id="L155" class="LineNr"> 155 </span><span class="muComment"># globals layout: 1 char padding, 41 code, 1 padding, 41 code, 1 padding =  85 chars</span>
 <span id="L156" class="LineNr"> 156 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L156'>render-globals</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
-<span id="L157" class="LineNr"> 157 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x55</span>/xmax, <span class="Constant">0x2f</span>/ymax=screen-height-without-menu, <span class="Constant">0xdc</span>/bg=green-bg
+<span id="L157" class="LineNr"> 157 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x55</span>/xmax, <span class="Constant">0x2f</span>/ymax=screen-height-without-menu, <span class="Constant">0xdc</span>/bg=green-bg
 <span id="L158" class="LineNr"> 158 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> copy _self
 <span id="L159" class="LineNr"> 159 </span>  compare self, <span class="Constant">0</span>
 <span id="L160" class="LineNr"> 160 </span>  <span class="Delimiter">{</span>
@@ -338,7 +338,7 @@ if ('onhashchange' in window) {
 <span id="L279" class="LineNr"> 279 </span>  tmpx <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;: stream grapheme -&gt; stream&quot;</span>, tmpx, xmax, y, <span class="Constant">7</span>/fg=grey, <span class="Constant">0xdc</span>/bg=green-bg
 <span id="L280" class="LineNr"> 280 </span>  y <span class="Special">&lt;-</span> increment
 <span id="L281" class="LineNr"> 281 </span>  <span class="PreProc">var</span> tmpx/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L282" class="LineNr"> 282 </span>  tmpx <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;fn def set if while = no(t) <a href='evaluate.mu.html#L981'>car</a> <a href='evaluate.mu.html#L1009'>cdr</a> cons  &quot;</span>, tmpx, xmax, y, <span class="Constant">0x2a</span>/fg=orange, <span class="Constant">0xdc</span>/bg=green-bg
+<span id="L282" class="LineNr"> 282 </span>  tmpx <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;fn def set if while = no(t) <a href='evaluate.mu.html#L1130'>car</a> <a href='evaluate.mu.html#L1158'>cdr</a> cons  &quot;</span>, tmpx, xmax, y, <span class="Constant">0x2a</span>/fg=orange, <span class="Constant">0xdc</span>/bg=green-bg
 <span id="L283" class="LineNr"> 283 </span>  tmpx <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;num: &quot;</span>, tmpx, xmax, y, <span class="Constant">7</span>/fg=grey, <span class="Constant">0xdc</span>/bg=green-bg
 <span id="L284" class="LineNr"> 284 </span>  tmpx <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;+ - * / sqrt <a href='../506math.mu.html#L1'>abs</a> <a href='../506math.mu.html#L10'>sgn</a> &lt; &gt; &lt;= &gt;=   &quot;</span>, tmpx, xmax, y, <span class="Constant">0x2a</span>/fg=orange, <span class="Constant">0xdc</span>/bg=green-bg
 <span id="L285" class="LineNr"> 285 </span><span class="Delimiter">}</span>
@@ -454,7 +454,7 @@ if ('onhashchange' in window) {
 <span id="L395" class="LineNr"> 395 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unbound symbol: &quot;</span>
 <span id="L396" class="LineNr"> 396 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-name
 <span id="L397" class="LineNr"> 397 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-name
-<span id="L398" class="LineNr"> 398 </span>  trace trace, <span class="Constant">&quot;error&quot;</span>, stream
+<span id="L398" class="LineNr"> 398 </span>  <span class="Special"><a href='trace.mu.html#L200'>error-stream</a></span> trace, stream
 <span id="L399" class="LineNr"> 399 </span><span class="Delimiter">}</span>
 <span id="L400" class="LineNr"> 400 </span>
 <span id="L401" class="LineNr"> 401 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L401'>maybe-lookup-symbol-in-globals</a></span> _sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), _globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace) <span class="Delimiter">{</span>
@@ -565,7 +565,7 @@ if ('onhashchange' in window) {
 <span id="L506" class="LineNr"> 506 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unbound symbol: &quot;</span>
 <span id="L507" class="LineNr"> 507 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> name
 <span id="L508" class="LineNr"> 508 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, name
-<span id="L509" class="LineNr"> 509 </span>  trace trace, <span class="Constant">&quot;error&quot;</span>, stream
+<span id="L509" class="LineNr"> 509 </span>  <span class="Special"><a href='trace.mu.html#L200'>error-stream</a></span> trace, stream
 <span id="L510" class="LineNr"> 510 </span><span class="Delimiter">}</span>
 <span id="L511" class="LineNr"> 511 </span>
 <span id="L512" class="LineNr"> 512 </span><span class="muComment"># a little strange; goes from value to name and selects primitive based on name</span>
@@ -828,16 +828,16 @@ if ('onhashchange' in window) {
 <span id="L769" class="LineNr"> 769 </span><span class="Delimiter">}</span>
 <span id="L770" class="LineNr"> 770 </span>
 <span id="L771" class="LineNr"> 771 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L771'>apply-add</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L772" class="LineNr"> 772 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply +&quot;</span>
+<span id="L772" class="LineNr"> 772 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply +&quot;</span>
 <span id="L773" class="LineNr"> 773 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L774" class="LineNr"> 774 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L775" class="LineNr"> 775 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L776" class="LineNr"> 776 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L777" class="LineNr"> 777 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L777" class="LineNr"> 777 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L778" class="LineNr"> 778 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L779" class="LineNr"> 779 </span>  <span class="Delimiter">{</span>
 <span id="L780" class="LineNr"> 780 </span>    <span class="PreProc">break-if-=</span>
-<span id="L781" class="LineNr"> 781 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;+ needs 2 args but got 0&quot;</span>
+<span id="L781" class="LineNr"> 781 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;+ needs 2 args but got 0&quot;</span>
 <span id="L782" class="LineNr"> 782 </span>    <span class="PreProc">return</span>
 <span id="L783" class="LineNr"> 783 </span>  <span class="Delimiter">}</span>
 <span id="L784" class="LineNr"> 784 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -847,7 +847,7 @@ if ('onhashchange' in window) {
 <span id="L788" class="LineNr"> 788 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L789" class="LineNr"> 789 </span>  <span class="Delimiter">{</span>
 <span id="L790" class="LineNr"> 790 </span>    <span class="PreProc">break-if-=</span>
-<span id="L791" class="LineNr"> 791 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for + is not a number&quot;</span>
+<span id="L791" class="LineNr"> 791 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for + is not a number&quot;</span>
 <span id="L792" class="LineNr"> 792 </span>    <span class="PreProc">return</span>
 <span id="L793" class="LineNr"> 793 </span>  <span class="Delimiter">}</span>
 <span id="L794" class="LineNr"> 794 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -863,7 +863,7 @@ if ('onhashchange' in window) {
 <span id="L804" class="LineNr"> 804 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L805" class="LineNr"> 805 </span>  <span class="Delimiter">{</span>
 <span id="L806" class="LineNr"> 806 </span>    <span class="PreProc">break-if-=</span>
-<span id="L807" class="LineNr"> 807 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for + is not a number&quot;</span>
+<span id="L807" class="LineNr"> 807 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for + is not a number&quot;</span>
 <span id="L808" class="LineNr"> 808 </span>    <span class="PreProc">return</span>
 <span id="L809" class="LineNr"> 809 </span>  <span class="Delimiter">}</span>
 <span id="L810" class="LineNr"> 810 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">edx</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -874,16 +874,16 @@ if ('onhashchange' in window) {
 <span id="L815" class="LineNr"> 815 </span><span class="Delimiter">}</span>
 <span id="L816" class="LineNr"> 816 </span>
 <span id="L817" class="LineNr"> 817 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L817'>apply-subtract</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L818" class="LineNr"> 818 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply -&quot;</span>
+<span id="L818" class="LineNr"> 818 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply -&quot;</span>
 <span id="L819" class="LineNr"> 819 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L820" class="LineNr"> 820 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L821" class="LineNr"> 821 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L822" class="LineNr"> 822 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L823" class="LineNr"> 823 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L823" class="LineNr"> 823 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L824" class="LineNr"> 824 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L825" class="LineNr"> 825 </span>  <span class="Delimiter">{</span>
 <span id="L826" class="LineNr"> 826 </span>    <span class="PreProc">break-if-=</span>
-<span id="L827" class="LineNr"> 827 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;- needs 2 args but got 0&quot;</span>
+<span id="L827" class="LineNr"> 827 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;- needs 2 args but got 0&quot;</span>
 <span id="L828" class="LineNr"> 828 </span>    <span class="PreProc">return</span>
 <span id="L829" class="LineNr"> 829 </span>  <span class="Delimiter">}</span>
 <span id="L830" class="LineNr"> 830 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -893,7 +893,7 @@ if ('onhashchange' in window) {
 <span id="L834" class="LineNr"> 834 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L835" class="LineNr"> 835 </span>  <span class="Delimiter">{</span>
 <span id="L836" class="LineNr"> 836 </span>    <span class="PreProc">break-if-=</span>
-<span id="L837" class="LineNr"> 837 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for - is not a number&quot;</span>
+<span id="L837" class="LineNr"> 837 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for - is not a number&quot;</span>
 <span id="L838" class="LineNr"> 838 </span>    <span class="PreProc">return</span>
 <span id="L839" class="LineNr"> 839 </span>  <span class="Delimiter">}</span>
 <span id="L840" class="LineNr"> 840 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -907,7 +907,7 @@ if ('onhashchange' in window) {
 <span id="L848" class="LineNr"> 848 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L849" class="LineNr"> 849 </span>  <span class="Delimiter">{</span>
 <span id="L850" class="LineNr"> 850 </span>    <span class="PreProc">break-if-=</span>
-<span id="L851" class="LineNr"> 851 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for - is not a number&quot;</span>
+<span id="L851" class="LineNr"> 851 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for - is not a number&quot;</span>
 <span id="L852" class="LineNr"> 852 </span>    <span class="PreProc">return</span>
 <span id="L853" class="LineNr"> 853 </span>  <span class="Delimiter">}</span>
 <span id="L854" class="LineNr"> 854 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">edx</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -918,16 +918,16 @@ if ('onhashchange' in window) {
 <span id="L859" class="LineNr"> 859 </span><span class="Delimiter">}</span>
 <span id="L860" class="LineNr"> 860 </span>
 <span id="L861" class="LineNr"> 861 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L861'>apply-multiply</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L862" class="LineNr"> 862 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply *&quot;</span>
+<span id="L862" class="LineNr"> 862 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply *&quot;</span>
 <span id="L863" class="LineNr"> 863 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L864" class="LineNr"> 864 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L865" class="LineNr"> 865 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L866" class="LineNr"> 866 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L868" class="LineNr"> 868 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L869" class="LineNr"> 869 </span>  <span class="Delimiter">{</span>
 <span id="L870" class="LineNr"> 870 </span>    <span class="PreProc">break-if-=</span>
-<span id="L871" class="LineNr"> 871 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;* needs 2 args but got 0&quot;</span>
+<span id="L871" class="LineNr"> 871 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;* needs 2 args but got 0&quot;</span>
 <span id="L872" class="LineNr"> 872 </span>    <span class="PreProc">return</span>
 <span id="L873" class="LineNr"> 873 </span>  <span class="Delimiter">}</span>
 <span id="L874" class="LineNr"> 874 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -937,7 +937,7 @@ if ('onhashchange' in window) {
 <span id="L878" class="LineNr"> 878 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L879" class="LineNr"> 879 </span>  <span class="Delimiter">{</span>
 <span id="L880" class="LineNr"> 880 </span>    <span class="PreProc">break-if-=</span>
-<span id="L881" class="LineNr"> 881 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for * is not a number&quot;</span>
+<span id="L881" class="LineNr"> 881 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for * is not a number&quot;</span>
 <span id="L882" class="LineNr"> 882 </span>    <span class="PreProc">return</span>
 <span id="L883" class="LineNr"> 883 </span>  <span class="Delimiter">}</span>
 <span id="L884" class="LineNr"> 884 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -951,7 +951,7 @@ if ('onhashchange' in window) {
 <span id="L892" class="LineNr"> 892 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L893" class="LineNr"> 893 </span>  <span class="Delimiter">{</span>
 <span id="L894" class="LineNr"> 894 </span>    <span class="PreProc">break-if-=</span>
-<span id="L895" class="LineNr"> 895 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for * is not a number&quot;</span>
+<span id="L895" class="LineNr"> 895 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for * is not a number&quot;</span>
 <span id="L896" class="LineNr"> 896 </span>    <span class="PreProc">return</span>
 <span id="L897" class="LineNr"> 897 </span>  <span class="Delimiter">}</span>
 <span id="L898" class="LineNr"> 898 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">edx</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -962,16 +962,16 @@ if ('onhashchange' in window) {
 <span id="L903" class="LineNr"> 903 </span><span class="Delimiter">}</span>
 <span id="L904" class="LineNr"> 904 </span>
 <span id="L905" class="LineNr"> 905 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L905'>apply-divide</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L906" class="LineNr"> 906 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply /&quot;</span>
+<span id="L906" class="LineNr"> 906 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply /&quot;</span>
 <span id="L907" class="LineNr"> 907 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L908" class="LineNr"> 908 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L909" class="LineNr"> 909 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L910" class="LineNr"> 910 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L911" class="LineNr"> 911 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L911" class="LineNr"> 911 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L912" class="LineNr"> 912 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L913" class="LineNr"> 913 </span>  <span class="Delimiter">{</span>
 <span id="L914" class="LineNr"> 914 </span>    <span class="PreProc">break-if-=</span>
-<span id="L915" class="LineNr"> 915 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;/ needs 2 args but got 0&quot;</span>
+<span id="L915" class="LineNr"> 915 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;/ needs 2 args but got 0&quot;</span>
 <span id="L916" class="LineNr"> 916 </span>    <span class="PreProc">return</span>
 <span id="L917" class="LineNr"> 917 </span>  <span class="Delimiter">}</span>
 <span id="L918" class="LineNr"> 918 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -981,7 +981,7 @@ if ('onhashchange' in window) {
 <span id="L922" class="LineNr"> 922 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L923" class="LineNr"> 923 </span>  <span class="Delimiter">{</span>
 <span id="L924" class="LineNr"> 924 </span>    <span class="PreProc">break-if-=</span>
-<span id="L925" class="LineNr"> 925 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for / is not a number&quot;</span>
+<span id="L925" class="LineNr"> 925 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for / is not a number&quot;</span>
 <span id="L926" class="LineNr"> 926 </span>    <span class="PreProc">return</span>
 <span id="L927" class="LineNr"> 927 </span>  <span class="Delimiter">}</span>
 <span id="L928" class="LineNr"> 928 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -995,7 +995,7 @@ if ('onhashchange' in window) {
 <span id="L936" class="LineNr"> 936 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L937" class="LineNr"> 937 </span>  <span class="Delimiter">{</span>
 <span id="L938" class="LineNr"> 938 </span>    <span class="PreProc">break-if-=</span>
-<span id="L939" class="LineNr"> 939 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for / is not a number&quot;</span>
+<span id="L939" class="LineNr"> 939 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for / is not a number&quot;</span>
 <span id="L940" class="LineNr"> 940 </span>    <span class="PreProc">return</span>
 <span id="L941" class="LineNr"> 941 </span>  <span class="Delimiter">}</span>
 <span id="L942" class="LineNr"> 942 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">edx</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1006,16 +1006,16 @@ if ('onhashchange' in window) {
 <span id="L947" class="LineNr"> 947 </span><span class="Delimiter">}</span>
 <span id="L948" class="LineNr"> 948 </span>
 <span id="L949" class="LineNr"> 949 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L949'>apply-square-root</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L950" class="LineNr"> 950 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply sqrt&quot;</span>
+<span id="L950" class="LineNr"> 950 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply sqrt&quot;</span>
 <span id="L951" class="LineNr"> 951 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L952" class="LineNr"> 952 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L953" class="LineNr"> 953 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L954" class="LineNr"> 954 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L955" class="LineNr"> 955 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L955" class="LineNr"> 955 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L956" class="LineNr"> 956 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L957" class="LineNr"> 957 </span>  <span class="Delimiter">{</span>
 <span id="L958" class="LineNr"> 958 </span>    <span class="PreProc">break-if-=</span>
-<span id="L959" class="LineNr"> 959 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;sqrt needs 1 arg but got 0&quot;</span>
+<span id="L959" class="LineNr"> 959 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;sqrt needs 1 arg but got 0&quot;</span>
 <span id="L960" class="LineNr"> 960 </span>    <span class="PreProc">return</span>
 <span id="L961" class="LineNr"> 961 </span>  <span class="Delimiter">}</span>
 <span id="L962" class="LineNr"> 962 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -1025,7 +1025,7 @@ if ('onhashchange' in window) {
 <span id="L966" class="LineNr"> 966 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L967" class="LineNr"> 967 </span>  <span class="Delimiter">{</span>
 <span id="L968" class="LineNr"> 968 </span>    <span class="PreProc">break-if-=</span>
-<span id="L969" class="LineNr"> 969 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;arg for sqrt is not a number&quot;</span>
+<span id="L969" class="LineNr"> 969 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;arg for sqrt is not a number&quot;</span>
 <span id="L970" class="LineNr"> 970 </span>    <span class="PreProc">return</span>
 <span id="L971" class="LineNr"> 971 </span>  <span class="Delimiter">}</span>
 <span id="L972" class="LineNr"> 972 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1035,16 +1035,16 @@ if ('onhashchange' in window) {
 <span id="L976" class="LineNr"> 976 </span><span class="Delimiter">}</span>
 <span id="L977" class="LineNr"> 977 </span>
 <span id="L978" class="LineNr"> 978 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L978'>apply-abs</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L979" class="LineNr"> 979 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply abs&quot;</span>
+<span id="L979" class="LineNr"> 979 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply abs&quot;</span>
 <span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L982" class="LineNr"> 982 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L983" class="LineNr"> 983 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L985" class="LineNr"> 985 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L986" class="LineNr"> 986 </span>  <span class="Delimiter">{</span>
 <span id="L987" class="LineNr"> 987 </span>    <span class="PreProc">break-if-=</span>
-<span id="L988" class="LineNr"> 988 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;abs needs 1 arg but got 0&quot;</span>
+<span id="L988" class="LineNr"> 988 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;abs needs 1 arg but got 0&quot;</span>
 <span id="L989" class="LineNr"> 989 </span>    <span class="PreProc">return</span>
 <span id="L990" class="LineNr"> 990 </span>  <span class="Delimiter">}</span>
 <span id="L991" class="LineNr"> 991 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -1054,7 +1054,7 @@ if ('onhashchange' in window) {
 <span id="L995" class="LineNr"> 995 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L996" class="LineNr"> 996 </span>  <span class="Delimiter">{</span>
 <span id="L997" class="LineNr"> 997 </span>    <span class="PreProc">break-if-=</span>
-<span id="L998" class="LineNr"> 998 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='../506math.mu.html#L1'>abs</a> is not a number&quot;</span>
+<span id="L998" class="LineNr"> 998 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='../506math.mu.html#L1'>abs</a> is not a number&quot;</span>
 <span id="L999" class="LineNr"> 999 </span>    <span class="PreProc">return</span>
 <span id="L1000" class="LineNr">1000 </span>  <span class="Delimiter">}</span>
 <span id="L1001" class="LineNr">1001 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1072,16 +1072,16 @@ if ('onhashchange' in window) {
 <span id="L1013" class="LineNr">1013 </span><span class="Delimiter">}</span>
 <span id="L1014" class="LineNr">1014 </span>
 <span id="L1015" class="LineNr">1015 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1015'>apply-sgn</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1016" class="LineNr">1016 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply sgn&quot;</span>
+<span id="L1016" class="LineNr">1016 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply sgn&quot;</span>
 <span id="L1017" class="LineNr">1017 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1018" class="LineNr">1018 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1019" class="LineNr">1019 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1020" class="LineNr">1020 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1021" class="LineNr">1021 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1021" class="LineNr">1021 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1022" class="LineNr">1022 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1023" class="LineNr">1023 </span>  <span class="Delimiter">{</span>
 <span id="L1024" class="LineNr">1024 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1025" class="LineNr">1025 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;sgn needs 1 arg but got 0&quot;</span>
+<span id="L1025" class="LineNr">1025 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;sgn needs 1 arg but got 0&quot;</span>
 <span id="L1026" class="LineNr">1026 </span>    <span class="PreProc">return</span>
 <span id="L1027" class="LineNr">1027 </span>  <span class="Delimiter">}</span>
 <span id="L1028" class="LineNr">1028 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
@@ -1091,7 +1091,7 @@ if ('onhashchange' in window) {
 <span id="L1032" class="LineNr">1032 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L1033" class="LineNr">1033 </span>  <span class="Delimiter">{</span>
 <span id="L1034" class="LineNr">1034 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1035" class="LineNr">1035 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='../506math.mu.html#L10'>sgn</a> is not a number&quot;</span>
+<span id="L1035" class="LineNr">1035 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='../506math.mu.html#L10'>sgn</a> is not a number&quot;</span>
 <span id="L1036" class="LineNr">1036 </span>    <span class="PreProc">return</span>
 <span id="L1037" class="LineNr">1037 </span>  <span class="Delimiter">}</span>
 <span id="L1038" class="LineNr">1038 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1118,16 +1118,16 @@ if ('onhashchange' in window) {
 <span id="L1059" class="LineNr">1059 </span><span class="Delimiter">}</span>
 <span id="L1060" class="LineNr">1060 </span>
 <span id="L1061" class="LineNr">1061 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1061'>apply-car</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1062" class="LineNr">1062 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply car&quot;</span>
+<span id="L1062" class="LineNr">1062 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply car&quot;</span>
 <span id="L1063" class="LineNr">1063 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1064" class="LineNr">1064 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1065" class="LineNr">1065 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1066" class="LineNr">1066 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1067" class="LineNr">1067 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1067" class="LineNr">1067 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1068" class="LineNr">1068 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1069" class="LineNr">1069 </span>  <span class="Delimiter">{</span>
 <span id="L1070" class="LineNr">1070 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1071" class="LineNr">1071 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;car needs 1 arg but got 0&quot;</span>
+<span id="L1071" class="LineNr">1071 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;car needs 1 arg but got 0&quot;</span>
 <span id="L1072" class="LineNr">1072 </span>    <span class="PreProc">return</span>
 <span id="L1073" class="LineNr">1073 </span>  <span class="Delimiter">}</span>
 <span id="L1074" class="LineNr">1074 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1137,7 +1137,7 @@ if ('onhashchange' in window) {
 <span id="L1078" class="LineNr">1078 </span>  compare *first-type, <span class="Constant">0</span>/pair
 <span id="L1079" class="LineNr">1079 </span>  <span class="Delimiter">{</span>
 <span id="L1080" class="LineNr">1080 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1081" class="LineNr">1081 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='evaluate.mu.html#L981'>car</a> is not a pair&quot;</span>
+<span id="L1081" class="LineNr">1081 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='evaluate.mu.html#L1130'>car</a> is not a pair&quot;</span>
 <span id="L1082" class="LineNr">1082 </span>    <span class="PreProc">return</span>
 <span id="L1083" class="LineNr">1083 </span>  <span class="Delimiter">}</span>
 <span id="L1084" class="LineNr">1084 </span>  <span class="muComment"># car</span>
@@ -1146,16 +1146,16 @@ if ('onhashchange' in window) {
 <span id="L1087" class="LineNr">1087 </span><span class="Delimiter">}</span>
 <span id="L1088" class="LineNr">1088 </span>
 <span id="L1089" class="LineNr">1089 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1089'>apply-cdr</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1090" class="LineNr">1090 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply cdr&quot;</span>
+<span id="L1090" class="LineNr">1090 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply cdr&quot;</span>
 <span id="L1091" class="LineNr">1091 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1092" class="LineNr">1092 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1093" class="LineNr">1093 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1094" class="LineNr">1094 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1095" class="LineNr">1095 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1095" class="LineNr">1095 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1096" class="LineNr">1096 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1097" class="LineNr">1097 </span>  <span class="Delimiter">{</span>
 <span id="L1098" class="LineNr">1098 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1099" class="LineNr">1099 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;cdr needs 1 arg but got 0&quot;</span>
+<span id="L1099" class="LineNr">1099 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;cdr needs 1 arg but got 0&quot;</span>
 <span id="L1100" class="LineNr">1100 </span>    <span class="PreProc">return</span>
 <span id="L1101" class="LineNr">1101 </span>  <span class="Delimiter">}</span>
 <span id="L1102" class="LineNr">1102 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1165,7 +1165,7 @@ if ('onhashchange' in window) {
 <span id="L1106" class="LineNr">1106 </span>  compare *first-type, <span class="Constant">0</span>/pair
 <span id="L1107" class="LineNr">1107 </span>  <span class="Delimiter">{</span>
 <span id="L1108" class="LineNr">1108 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1109" class="LineNr">1109 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='evaluate.mu.html#L1009'>cdr</a> is not a pair&quot;</span>
+<span id="L1109" class="LineNr">1109 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;arg for <a href='evaluate.mu.html#L1158'>cdr</a> is not a pair&quot;</span>
 <span id="L1110" class="LineNr">1110 </span>    <span class="PreProc">return</span>
 <span id="L1111" class="LineNr">1111 </span>  <span class="Delimiter">}</span>
 <span id="L1112" class="LineNr">1112 </span>  <span class="muComment"># cdr</span>
@@ -1174,16 +1174,16 @@ if ('onhashchange' in window) {
 <span id="L1115" class="LineNr">1115 </span><span class="Delimiter">}</span>
 <span id="L1116" class="LineNr">1116 </span>
 <span id="L1117" class="LineNr">1117 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1117'>apply-cons</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1118" class="LineNr">1118 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply cons&quot;</span>
+<span id="L1118" class="LineNr">1118 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply cons&quot;</span>
 <span id="L1119" class="LineNr">1119 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1120" class="LineNr">1120 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1121" class="LineNr">1121 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1122" class="LineNr">1122 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1123" class="LineNr">1123 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1123" class="LineNr">1123 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1124" class="LineNr">1124 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1125" class="LineNr">1125 </span>  <span class="Delimiter">{</span>
 <span id="L1126" class="LineNr">1126 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1127" class="LineNr">1127 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;cons needs 2 args but got 0&quot;</span>
+<span id="L1127" class="LineNr">1127 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;cons needs 2 args but got 0&quot;</span>
 <span id="L1128" class="LineNr">1128 </span>    <span class="PreProc">return</span>
 <span id="L1129" class="LineNr">1129 </span>  <span class="Delimiter">}</span>
 <span id="L1130" class="LineNr">1130 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1198,16 +1198,16 @@ if ('onhashchange' in window) {
 <span id="L1139" class="LineNr">1139 </span><span class="Delimiter">}</span>
 <span id="L1140" class="LineNr">1140 </span>
 <span id="L1141" class="LineNr">1141 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1141'>apply-structurally-equal</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1142" class="LineNr">1142 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '='&quot;</span>
+<span id="L1142" class="LineNr">1142 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '='&quot;</span>
 <span id="L1143" class="LineNr">1143 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1144" class="LineNr">1144 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1145" class="LineNr">1145 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1146" class="LineNr">1146 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1147" class="LineNr">1147 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1147" class="LineNr">1147 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1148" class="LineNr">1148 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1149" class="LineNr">1149 </span>  <span class="Delimiter">{</span>
 <span id="L1150" class="LineNr">1150 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1151" class="LineNr">1151 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'=' needs 2 args but got 0&quot;</span>
+<span id="L1151" class="LineNr">1151 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'=' needs 2 args but got 0&quot;</span>
 <span id="L1152" class="LineNr">1152 </span>    <span class="PreProc">return</span>
 <span id="L1153" class="LineNr">1153 </span>  <span class="Delimiter">}</span>
 <span id="L1154" class="LineNr">1154 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1221,7 +1221,7 @@ if ('onhashchange' in window) {
 <span id="L1162" class="LineNr">1162 </span>  <span class="PreProc">var</span> _first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
 <span id="L1163" class="LineNr">1163 </span>  <span class="PreProc">var</span> first/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _first
 <span id="L1164" class="LineNr">1164 </span>  <span class="PreProc">var</span> second/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *second-ah
-<span id="L1165" class="LineNr">1165 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> first, second, trace
+<span id="L1165" class="LineNr">1165 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> first, second, trace
 <span id="L1166" class="LineNr">1166 </span>  compare match?, <span class="Constant">0</span>/false
 <span id="L1167" class="LineNr">1167 </span>  <span class="Delimiter">{</span>
 <span id="L1168" class="LineNr">1168 </span>    <span class="PreProc">break-if-!=</span>
@@ -1232,24 +1232,24 @@ if ('onhashchange' in window) {
 <span id="L1173" class="LineNr">1173 </span><span class="Delimiter">}</span>
 <span id="L1174" class="LineNr">1174 </span>
 <span id="L1175" class="LineNr">1175 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1175'>apply-not</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1176" class="LineNr">1176 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply not&quot;</span>
+<span id="L1176" class="LineNr">1176 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply not&quot;</span>
 <span id="L1177" class="LineNr">1177 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1178" class="LineNr">1178 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1179" class="LineNr">1179 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1180" class="LineNr">1180 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1181" class="LineNr">1181 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1181" class="LineNr">1181 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1182" class="LineNr">1182 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1183" class="LineNr">1183 </span>  <span class="Delimiter">{</span>
 <span id="L1184" class="LineNr">1184 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1185" class="LineNr">1185 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;not needs 1 arg but got 0&quot;</span>
+<span id="L1185" class="LineNr">1185 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;not needs 1 arg but got 0&quot;</span>
 <span id="L1186" class="LineNr">1186 </span>    <span class="PreProc">return</span>
 <span id="L1187" class="LineNr">1187 </span>  <span class="Delimiter">}</span>
 <span id="L1188" class="LineNr">1188 </span>  <span class="muComment"># args-&gt;left</span>
 <span id="L1189" class="LineNr">1189 </span>  <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
 <span id="L1190" class="LineNr">1190 </span>  <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
 <span id="L1191" class="LineNr">1191 </span>  <span class="muComment"># not</span>
-<span id="L1192" class="LineNr">1192 </span>  <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> first
-<span id="L1193" class="LineNr">1193 </span>  compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L1192" class="LineNr">1192 </span>  <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> first
+<span id="L1193" class="LineNr">1193 </span>  compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
 <span id="L1194" class="LineNr">1194 </span>  <span class="Delimiter">{</span>
 <span id="L1195" class="LineNr">1195 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L1196" class="LineNr">1196 </span>    <a href='cell.mu.html#L121'>nil</a> out
@@ -1259,21 +1259,21 @@ if ('onhashchange' in window) {
 <span id="L1200" class="LineNr">1200 </span><span class="Delimiter">}</span>
 <span id="L1201" class="LineNr">1201 </span>
 <span id="L1202" class="LineNr">1202 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1202'>apply-debug</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1203" class="LineNr">1203 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply debug&quot;</span>
+<span id="L1203" class="LineNr">1203 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply debug&quot;</span>
 <span id="L1204" class="LineNr">1204 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1205" class="LineNr">1205 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1206" class="LineNr">1206 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1207" class="LineNr">1207 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1208" class="LineNr">1208 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1208" class="LineNr">1208 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1209" class="LineNr">1209 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1210" class="LineNr">1210 </span>  <span class="Delimiter">{</span>
 <span id="L1211" class="LineNr">1211 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1212" class="LineNr">1212 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;not needs 1 arg but got 0&quot;</span>
+<span id="L1212" class="LineNr">1212 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;not needs 1 arg but got 0&quot;</span>
 <span id="L1213" class="LineNr">1213 </span>    <span class="PreProc">return</span>
 <span id="L1214" class="LineNr">1214 </span>  <span class="Delimiter">}</span>
 <span id="L1215" class="LineNr">1215 </span>  <span class="muComment"># dump args-&gt;left uglily to screen and wait for a keypress</span>
 <span id="L1216" class="LineNr">1216 </span>  <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
-<span id="L1217" class="LineNr">1217 </span>  <a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a> first-ah
+<span id="L1217" class="LineNr">1217 </span>  <a href='print.mu.html#L136'>dump-cell-from-cursor-over-full-screen</a> first-ah
 <span id="L1218" class="LineNr">1218 </span>  <span class="Delimiter">{</span>
 <span id="L1219" class="LineNr">1219 </span>    <span class="PreProc">var</span> foo/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> <span class="Constant">0</span>/keyboard
 <span id="L1220" class="LineNr">1220 </span>    compare foo, <span class="Constant">0</span>
@@ -1283,16 +1283,16 @@ if ('onhashchange' in window) {
 <span id="L1224" class="LineNr">1224 </span><span class="Delimiter">}</span>
 <span id="L1225" class="LineNr">1225 </span>
 <span id="L1226" class="LineNr">1226 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1226'>apply-&lt;</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1227" class="LineNr">1227 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&lt;'&quot;</span>
+<span id="L1227" class="LineNr">1227 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&lt;'&quot;</span>
 <span id="L1228" class="LineNr">1228 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1229" class="LineNr">1229 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1230" class="LineNr">1230 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1231" class="LineNr">1231 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1232" class="LineNr">1232 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1232" class="LineNr">1232 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1233" class="LineNr">1233 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1234" class="LineNr">1234 </span>  <span class="Delimiter">{</span>
 <span id="L1235" class="LineNr">1235 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1236" class="LineNr">1236 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'&lt;' needs 2 args but got 0&quot;</span>
+<span id="L1236" class="LineNr">1236 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'&lt;' needs 2 args but got 0&quot;</span>
 <span id="L1237" class="LineNr">1237 </span>    <span class="PreProc">return</span>
 <span id="L1238" class="LineNr">1238 </span>  <span class="Delimiter">}</span>
 <span id="L1239" class="LineNr">1239 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1309,7 +1309,7 @@ if ('onhashchange' in window) {
 <span id="L1250" class="LineNr">1250 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L1251" class="LineNr">1251 </span>  <span class="Delimiter">{</span>
 <span id="L1252" class="LineNr">1252 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1253" class="LineNr">1253 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;' is not a number&quot;</span>
+<span id="L1253" class="LineNr">1253 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;' is not a number&quot;</span>
 <span id="L1254" class="LineNr">1254 </span>    <span class="PreProc">return</span>
 <span id="L1255" class="LineNr">1255 </span>  <span class="Delimiter">}</span>
 <span id="L1256" class="LineNr">1256 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1319,7 +1319,7 @@ if ('onhashchange' in window) {
 <span id="L1260" class="LineNr">1260 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1261" class="LineNr">1261 </span>  <span class="Delimiter">{</span>
 <span id="L1262" class="LineNr">1262 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1263" class="LineNr">1263 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;' is not a number&quot;</span>
+<span id="L1263" class="LineNr">1263 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;' is not a number&quot;</span>
 <span id="L1264" class="LineNr">1264 </span>    <span class="PreProc">return</span>
 <span id="L1265" class="LineNr">1265 </span>  <span class="Delimiter">}</span>
 <span id="L1266" class="LineNr">1266 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1333,16 +1333,16 @@ if ('onhashchange' in window) {
 <span id="L1274" class="LineNr">1274 </span><span class="Delimiter">}</span>
 <span id="L1275" class="LineNr">1275 </span>
 <span id="L1276" class="LineNr">1276 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1276'>apply-&gt;</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1277" class="LineNr">1277 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&gt;'&quot;</span>
+<span id="L1277" class="LineNr">1277 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&gt;'&quot;</span>
 <span id="L1278" class="LineNr">1278 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1279" class="LineNr">1279 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1280" class="LineNr">1280 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1281" class="LineNr">1281 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1282" class="LineNr">1282 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1282" class="LineNr">1282 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1283" class="LineNr">1283 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1284" class="LineNr">1284 </span>  <span class="Delimiter">{</span>
 <span id="L1285" class="LineNr">1285 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1286" class="LineNr">1286 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'&gt;' needs 2 args but got 0&quot;</span>
+<span id="L1286" class="LineNr">1286 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'&gt;' needs 2 args but got 0&quot;</span>
 <span id="L1287" class="LineNr">1287 </span>    <span class="PreProc">return</span>
 <span id="L1288" class="LineNr">1288 </span>  <span class="Delimiter">}</span>
 <span id="L1289" class="LineNr">1289 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1359,7 +1359,7 @@ if ('onhashchange' in window) {
 <span id="L1300" class="LineNr">1300 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L1301" class="LineNr">1301 </span>  <span class="Delimiter">{</span>
 <span id="L1302" class="LineNr">1302 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1303" class="LineNr">1303 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;' is not a number&quot;</span>
+<span id="L1303" class="LineNr">1303 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;' is not a number&quot;</span>
 <span id="L1304" class="LineNr">1304 </span>    <span class="PreProc">return</span>
 <span id="L1305" class="LineNr">1305 </span>  <span class="Delimiter">}</span>
 <span id="L1306" class="LineNr">1306 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1369,7 +1369,7 @@ if ('onhashchange' in window) {
 <span id="L1310" class="LineNr">1310 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1311" class="LineNr">1311 </span>  <span class="Delimiter">{</span>
 <span id="L1312" class="LineNr">1312 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1313" class="LineNr">1313 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;' is not a number&quot;</span>
+<span id="L1313" class="LineNr">1313 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;' is not a number&quot;</span>
 <span id="L1314" class="LineNr">1314 </span>    <span class="PreProc">return</span>
 <span id="L1315" class="LineNr">1315 </span>  <span class="Delimiter">}</span>
 <span id="L1316" class="LineNr">1316 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1383,16 +1383,16 @@ if ('onhashchange' in window) {
 <span id="L1324" class="LineNr">1324 </span><span class="Delimiter">}</span>
 <span id="L1325" class="LineNr">1325 </span>
 <span id="L1326" class="LineNr">1326 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1326'>apply-&lt;=</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1327" class="LineNr">1327 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&lt;='&quot;</span>
+<span id="L1327" class="LineNr">1327 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&lt;='&quot;</span>
 <span id="L1328" class="LineNr">1328 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1329" class="LineNr">1329 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1330" class="LineNr">1330 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1331" class="LineNr">1331 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1332" class="LineNr">1332 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1332" class="LineNr">1332 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1333" class="LineNr">1333 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1334" class="LineNr">1334 </span>  <span class="Delimiter">{</span>
 <span id="L1335" class="LineNr">1335 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1336" class="LineNr">1336 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'&lt;=' needs 2 args but got 0&quot;</span>
+<span id="L1336" class="LineNr">1336 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'&lt;=' needs 2 args but got 0&quot;</span>
 <span id="L1337" class="LineNr">1337 </span>    <span class="PreProc">return</span>
 <span id="L1338" class="LineNr">1338 </span>  <span class="Delimiter">}</span>
 <span id="L1339" class="LineNr">1339 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1409,7 +1409,7 @@ if ('onhashchange' in window) {
 <span id="L1350" class="LineNr">1350 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L1351" class="LineNr">1351 </span>  <span class="Delimiter">{</span>
 <span id="L1352" class="LineNr">1352 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1353" class="LineNr">1353 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;=' is not a number&quot;</span>
+<span id="L1353" class="LineNr">1353 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;=' is not a number&quot;</span>
 <span id="L1354" class="LineNr">1354 </span>    <span class="PreProc">return</span>
 <span id="L1355" class="LineNr">1355 </span>  <span class="Delimiter">}</span>
 <span id="L1356" class="LineNr">1356 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1419,7 +1419,7 @@ if ('onhashchange' in window) {
 <span id="L1360" class="LineNr">1360 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1361" class="LineNr">1361 </span>  <span class="Delimiter">{</span>
 <span id="L1362" class="LineNr">1362 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1363" class="LineNr">1363 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;=' is not a number&quot;</span>
+<span id="L1363" class="LineNr">1363 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&lt;=' is not a number&quot;</span>
 <span id="L1364" class="LineNr">1364 </span>    <span class="PreProc">return</span>
 <span id="L1365" class="LineNr">1365 </span>  <span class="Delimiter">}</span>
 <span id="L1366" class="LineNr">1366 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1433,16 +1433,16 @@ if ('onhashchange' in window) {
 <span id="L1374" class="LineNr">1374 </span><span class="Delimiter">}</span>
 <span id="L1375" class="LineNr">1375 </span>
 <span id="L1376" class="LineNr">1376 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1376'>apply-&gt;=</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1377" class="LineNr">1377 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&gt;='&quot;</span>
+<span id="L1377" class="LineNr">1377 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply '&gt;='&quot;</span>
 <span id="L1378" class="LineNr">1378 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1379" class="LineNr">1379 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1380" class="LineNr">1380 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1381" class="LineNr">1381 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1382" class="LineNr">1382 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1382" class="LineNr">1382 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1383" class="LineNr">1383 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1384" class="LineNr">1384 </span>  <span class="Delimiter">{</span>
 <span id="L1385" class="LineNr">1385 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1386" class="LineNr">1386 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'&gt;=' needs 2 args but got 0&quot;</span>
+<span id="L1386" class="LineNr">1386 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'&gt;=' needs 2 args but got 0&quot;</span>
 <span id="L1387" class="LineNr">1387 </span>    <span class="PreProc">return</span>
 <span id="L1388" class="LineNr">1388 </span>  <span class="Delimiter">}</span>
 <span id="L1389" class="LineNr">1389 </span>  <span class="muComment"># args-&gt;left</span>
@@ -1459,7 +1459,7 @@ if ('onhashchange' in window) {
 <span id="L1400" class="LineNr">1400 </span>  compare *first-type, <span class="Constant">1</span>/number
 <span id="L1401" class="LineNr">1401 </span>  <span class="Delimiter">{</span>
 <span id="L1402" class="LineNr">1402 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1403" class="LineNr">1403 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;=' is not a number&quot;</span>
+<span id="L1403" class="LineNr">1403 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;=' is not a number&quot;</span>
 <span id="L1404" class="LineNr">1404 </span>    <span class="PreProc">return</span>
 <span id="L1405" class="LineNr">1405 </span>  <span class="Delimiter">}</span>
 <span id="L1406" class="LineNr">1406 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
@@ -1469,7 +1469,7 @@ if ('onhashchange' in window) {
 <span id="L1410" class="LineNr">1410 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1411" class="LineNr">1411 </span>  <span class="Delimiter">{</span>
 <span id="L1412" class="LineNr">1412 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1413" class="LineNr">1413 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;=' is not a number&quot;</span>
+<span id="L1413" class="LineNr">1413 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for '&gt;=' is not a number&quot;</span>
 <span id="L1414" class="LineNr">1414 </span>    <span class="PreProc">return</span>
 <span id="L1415" class="LineNr">1415 </span>  <span class="Delimiter">}</span>
 <span id="L1416" class="LineNr">1416 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1483,16 +1483,16 @@ if ('onhashchange' in window) {
 <span id="L1424" class="LineNr">1424 </span><span class="Delimiter">}</span>
 <span id="L1425" class="LineNr">1425 </span>
 <span id="L1426" class="LineNr">1426 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1426'>apply-print</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1427" class="LineNr">1427 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply print&quot;</span>
+<span id="L1427" class="LineNr">1427 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply print&quot;</span>
 <span id="L1428" class="LineNr">1428 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1429" class="LineNr">1429 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1430" class="LineNr">1430 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1431" class="LineNr">1431 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1432" class="LineNr">1432 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1432" class="LineNr">1432 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1433" class="LineNr">1433 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1434" class="LineNr">1434 </span>  <span class="Delimiter">{</span>
 <span id="L1435" class="LineNr">1435 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1436" class="LineNr">1436 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;print needs 2 args but got 0&quot;</span>
+<span id="L1436" class="LineNr">1436 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print needs 2 args but got 0&quot;</span>
 <span id="L1437" class="LineNr">1437 </span>    <span class="PreProc">return</span>
 <span id="L1438" class="LineNr">1438 </span>  <span class="Delimiter">}</span>
 <span id="L1439" class="LineNr">1439 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1502,7 +1502,7 @@ if ('onhashchange' in window) {
 <span id="L1443" class="LineNr">1443 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1444" class="LineNr">1444 </span>  <span class="Delimiter">{</span>
 <span id="L1445" class="LineNr">1445 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1446" class="LineNr">1446 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'print' is not a screen&quot;</span>
+<span id="L1446" class="LineNr">1446 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'print' is not a screen&quot;</span>
 <span id="L1447" class="LineNr">1447 </span>    <span class="PreProc">return</span>
 <span id="L1448" class="LineNr">1448 </span>  <span class="Delimiter">}</span>
 <span id="L1449" class="LineNr">1449 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1515,23 +1515,23 @@ if ('onhashchange' in window) {
 <span id="L1456" class="LineNr">1456 </span>  <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get right, left
 <span id="L1457" class="LineNr">1457 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>)
 <span id="L1458" class="LineNr">1458 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L1459" class="LineNr">1459 </span>  <a href='print.mu.html#L1'>print-cell</a> second-ah, stream, trace
-<span id="L1460" class="LineNr">1460 </span>  <a href='../501draw-text.mu.html#L214'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, stream, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L1459" class="LineNr">1459 </span>  <a href='print.mu.html#L7'>print-cell</a> second-ah, stream, trace
+<span id="L1460" class="LineNr">1460 </span>  <a href='../501draw-text.mu.html#L235'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, stream, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
 <span id="L1461" class="LineNr">1461 </span>  <span class="muComment"># return what was printed</span>
 <span id="L1462" class="LineNr">1462 </span>  copy-object second-ah, out
 <span id="L1463" class="LineNr">1463 </span><span class="Delimiter">}</span>
 <span id="L1464" class="LineNr">1464 </span>
 <span id="L1465" class="LineNr">1465 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1465'>apply-clear</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1466" class="LineNr">1466 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply clear&quot;</span>
+<span id="L1466" class="LineNr">1466 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply clear&quot;</span>
 <span id="L1467" class="LineNr">1467 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1468" class="LineNr">1468 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1469" class="LineNr">1469 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1470" class="LineNr">1470 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1471" class="LineNr">1471 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1471" class="LineNr">1471 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1472" class="LineNr">1472 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1473" class="LineNr">1473 </span>  <span class="Delimiter">{</span>
 <span id="L1474" class="LineNr">1474 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1475" class="LineNr">1475 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'clear' needs 1 arg but got 0&quot;</span>
+<span id="L1475" class="LineNr">1475 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'clear' needs 1 arg but got 0&quot;</span>
 <span id="L1476" class="LineNr">1476 </span>    <span class="PreProc">return</span>
 <span id="L1477" class="LineNr">1477 </span>  <span class="Delimiter">}</span>
 <span id="L1478" class="LineNr">1478 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1541,27 +1541,27 @@ if ('onhashchange' in window) {
 <span id="L1482" class="LineNr">1482 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1483" class="LineNr">1483 </span>  <span class="Delimiter">{</span>
 <span id="L1484" class="LineNr">1484 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1485" class="LineNr">1485 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'clear' is not a screen&quot;</span>
+<span id="L1485" class="LineNr">1485 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'clear' is not a screen&quot;</span>
 <span id="L1486" class="LineNr">1486 </span>    <span class="PreProc">return</span>
 <span id="L1487" class="LineNr">1487 </span>  <span class="Delimiter">}</span>
 <span id="L1488" class="LineNr">1488 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
 <span id="L1489" class="LineNr">1489 </span>  <span class="PreProc">var</span> _screen/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-ah
 <span id="L1490" class="LineNr">1490 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">ecx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen
 <span id="L1491" class="LineNr">1491 </span>  <span class="muComment">#</span>
-<span id="L1492" class="LineNr">1492 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1492" class="LineNr">1492 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
 <span id="L1493" class="LineNr">1493 </span><span class="Delimiter">}</span>
 <span id="L1494" class="LineNr">1494 </span>
 <span id="L1495" class="LineNr">1495 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1495'>apply-up</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1496" class="LineNr">1496 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply up&quot;</span>
+<span id="L1496" class="LineNr">1496 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply up&quot;</span>
 <span id="L1497" class="LineNr">1497 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1498" class="LineNr">1498 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1499" class="LineNr">1499 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1500" class="LineNr">1500 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1501" class="LineNr">1501 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1501" class="LineNr">1501 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1502" class="LineNr">1502 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1503" class="LineNr">1503 </span>  <span class="Delimiter">{</span>
 <span id="L1504" class="LineNr">1504 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1505" class="LineNr">1505 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'up' needs 1 arg but got 0&quot;</span>
+<span id="L1505" class="LineNr">1505 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'up' needs 1 arg but got 0&quot;</span>
 <span id="L1506" class="LineNr">1506 </span>    <span class="PreProc">return</span>
 <span id="L1507" class="LineNr">1507 </span>  <span class="Delimiter">}</span>
 <span id="L1508" class="LineNr">1508 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1571,7 +1571,7 @@ if ('onhashchange' in window) {
 <span id="L1512" class="LineNr">1512 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1513" class="LineNr">1513 </span>  <span class="Delimiter">{</span>
 <span id="L1514" class="LineNr">1514 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1515" class="LineNr">1515 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'up' is not a screen&quot;</span>
+<span id="L1515" class="LineNr">1515 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'up' is not a screen&quot;</span>
 <span id="L1516" class="LineNr">1516 </span>    <span class="PreProc">return</span>
 <span id="L1517" class="LineNr">1517 </span>  <span class="Delimiter">}</span>
 <span id="L1518" class="LineNr">1518 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1582,16 +1582,16 @@ if ('onhashchange' in window) {
 <span id="L1523" class="LineNr">1523 </span><span class="Delimiter">}</span>
 <span id="L1524" class="LineNr">1524 </span>
 <span id="L1525" class="LineNr">1525 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1525'>apply-down</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1526" class="LineNr">1526 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'down'&quot;</span>
+<span id="L1526" class="LineNr">1526 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'down'&quot;</span>
 <span id="L1527" class="LineNr">1527 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1528" class="LineNr">1528 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1529" class="LineNr">1529 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1530" class="LineNr">1530 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1531" class="LineNr">1531 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1531" class="LineNr">1531 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1532" class="LineNr">1532 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1533" class="LineNr">1533 </span>  <span class="Delimiter">{</span>
 <span id="L1534" class="LineNr">1534 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1535" class="LineNr">1535 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'down' needs 1 arg but got 0&quot;</span>
+<span id="L1535" class="LineNr">1535 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'down' needs 1 arg but got 0&quot;</span>
 <span id="L1536" class="LineNr">1536 </span>    <span class="PreProc">return</span>
 <span id="L1537" class="LineNr">1537 </span>  <span class="Delimiter">}</span>
 <span id="L1538" class="LineNr">1538 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1601,7 +1601,7 @@ if ('onhashchange' in window) {
 <span id="L1542" class="LineNr">1542 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1543" class="LineNr">1543 </span>  <span class="Delimiter">{</span>
 <span id="L1544" class="LineNr">1544 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1545" class="LineNr">1545 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'down' is not a screen&quot;</span>
+<span id="L1545" class="LineNr">1545 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'down' is not a screen&quot;</span>
 <span id="L1546" class="LineNr">1546 </span>    <span class="PreProc">return</span>
 <span id="L1547" class="LineNr">1547 </span>  <span class="Delimiter">}</span>
 <span id="L1548" class="LineNr">1548 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1612,16 +1612,16 @@ if ('onhashchange' in window) {
 <span id="L1553" class="LineNr">1553 </span><span class="Delimiter">}</span>
 <span id="L1554" class="LineNr">1554 </span>
 <span id="L1555" class="LineNr">1555 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1555'>apply-left</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1556" class="LineNr">1556 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'left'&quot;</span>
+<span id="L1556" class="LineNr">1556 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'left'&quot;</span>
 <span id="L1557" class="LineNr">1557 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1558" class="LineNr">1558 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1559" class="LineNr">1559 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1560" class="LineNr">1560 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1561" class="LineNr">1561 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1561" class="LineNr">1561 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1562" class="LineNr">1562 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1563" class="LineNr">1563 </span>  <span class="Delimiter">{</span>
 <span id="L1564" class="LineNr">1564 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1565" class="LineNr">1565 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'left' needs 1 arg but got 0&quot;</span>
+<span id="L1565" class="LineNr">1565 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'left' needs 1 arg but got 0&quot;</span>
 <span id="L1566" class="LineNr">1566 </span>    <span class="PreProc">return</span>
 <span id="L1567" class="LineNr">1567 </span>  <span class="Delimiter">}</span>
 <span id="L1568" class="LineNr">1568 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1631,7 +1631,7 @@ if ('onhashchange' in window) {
 <span id="L1572" class="LineNr">1572 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1573" class="LineNr">1573 </span>  <span class="Delimiter">{</span>
 <span id="L1574" class="LineNr">1574 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1575" class="LineNr">1575 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'left' is not a screen&quot;</span>
+<span id="L1575" class="LineNr">1575 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'left' is not a screen&quot;</span>
 <span id="L1576" class="LineNr">1576 </span>    <span class="PreProc">return</span>
 <span id="L1577" class="LineNr">1577 </span>  <span class="Delimiter">}</span>
 <span id="L1578" class="LineNr">1578 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1642,16 +1642,16 @@ if ('onhashchange' in window) {
 <span id="L1583" class="LineNr">1583 </span><span class="Delimiter">}</span>
 <span id="L1584" class="LineNr">1584 </span>
 <span id="L1585" class="LineNr">1585 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1585'>apply-right</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1586" class="LineNr">1586 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'right'&quot;</span>
+<span id="L1586" class="LineNr">1586 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'right'&quot;</span>
 <span id="L1587" class="LineNr">1587 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1588" class="LineNr">1588 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1589" class="LineNr">1589 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1590" class="LineNr">1590 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1591" class="LineNr">1591 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1591" class="LineNr">1591 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1592" class="LineNr">1592 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1593" class="LineNr">1593 </span>  <span class="Delimiter">{</span>
 <span id="L1594" class="LineNr">1594 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1595" class="LineNr">1595 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'right' needs 1 arg but got 0&quot;</span>
+<span id="L1595" class="LineNr">1595 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'right' needs 1 arg but got 0&quot;</span>
 <span id="L1596" class="LineNr">1596 </span>    <span class="PreProc">return</span>
 <span id="L1597" class="LineNr">1597 </span>  <span class="Delimiter">}</span>
 <span id="L1598" class="LineNr">1598 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1661,7 +1661,7 @@ if ('onhashchange' in window) {
 <span id="L1602" class="LineNr">1602 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1603" class="LineNr">1603 </span>  <span class="Delimiter">{</span>
 <span id="L1604" class="LineNr">1604 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1605" class="LineNr">1605 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'right' is not a screen&quot;</span>
+<span id="L1605" class="LineNr">1605 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'right' is not a screen&quot;</span>
 <span id="L1606" class="LineNr">1606 </span>    <span class="PreProc">return</span>
 <span id="L1607" class="LineNr">1607 </span>  <span class="Delimiter">}</span>
 <span id="L1608" class="LineNr">1608 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1672,16 +1672,16 @@ if ('onhashchange' in window) {
 <span id="L1613" class="LineNr">1613 </span><span class="Delimiter">}</span>
 <span id="L1614" class="LineNr">1614 </span>
 <span id="L1615" class="LineNr">1615 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1615'>apply-cr</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1616" class="LineNr">1616 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'cr'&quot;</span>
+<span id="L1616" class="LineNr">1616 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply 'cr'&quot;</span>
 <span id="L1617" class="LineNr">1617 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1618" class="LineNr">1618 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1619" class="LineNr">1619 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1620" class="LineNr">1620 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1621" class="LineNr">1621 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1621" class="LineNr">1621 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1622" class="LineNr">1622 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1623" class="LineNr">1623 </span>  <span class="Delimiter">{</span>
 <span id="L1624" class="LineNr">1624 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1625" class="LineNr">1625 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'cr' needs 1 arg but got 0&quot;</span>
+<span id="L1625" class="LineNr">1625 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'cr' needs 1 arg but got 0&quot;</span>
 <span id="L1626" class="LineNr">1626 </span>    <span class="PreProc">return</span>
 <span id="L1627" class="LineNr">1627 </span>  <span class="Delimiter">}</span>
 <span id="L1628" class="LineNr">1628 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1691,7 +1691,7 @@ if ('onhashchange' in window) {
 <span id="L1632" class="LineNr">1632 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1633" class="LineNr">1633 </span>  <span class="Delimiter">{</span>
 <span id="L1634" class="LineNr">1634 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1635" class="LineNr">1635 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'cr' is not a screen&quot;</span>
+<span id="L1635" class="LineNr">1635 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'cr' is not a screen&quot;</span>
 <span id="L1636" class="LineNr">1636 </span>    <span class="PreProc">return</span>
 <span id="L1637" class="LineNr">1637 </span>  <span class="Delimiter">}</span>
 <span id="L1638" class="LineNr">1638 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1702,16 +1702,16 @@ if ('onhashchange' in window) {
 <span id="L1643" class="LineNr">1643 </span><span class="Delimiter">}</span>
 <span id="L1644" class="LineNr">1644 </span>
 <span id="L1645" class="LineNr">1645 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1645'>apply-pixel</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1646" class="LineNr">1646 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply pixel&quot;</span>
+<span id="L1646" class="LineNr">1646 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply pixel&quot;</span>
 <span id="L1647" class="LineNr">1647 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1648" class="LineNr">1648 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1649" class="LineNr">1649 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1650" class="LineNr">1650 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1651" class="LineNr">1651 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1651" class="LineNr">1651 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1652" class="LineNr">1652 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1653" class="LineNr">1653 </span>  <span class="Delimiter">{</span>
 <span id="L1654" class="LineNr">1654 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1655" class="LineNr">1655 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;pixel needs 4 args but got 0&quot;</span>
+<span id="L1655" class="LineNr">1655 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;pixel needs 4 args but got 0&quot;</span>
 <span id="L1656" class="LineNr">1656 </span>    <span class="PreProc">return</span>
 <span id="L1657" class="LineNr">1657 </span>  <span class="Delimiter">}</span>
 <span id="L1658" class="LineNr">1658 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1721,7 +1721,7 @@ if ('onhashchange' in window) {
 <span id="L1662" class="LineNr">1662 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1663" class="LineNr">1663 </span>  <span class="Delimiter">{</span>
 <span id="L1664" class="LineNr">1664 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1665" class="LineNr">1665 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'pixel' is not a screen&quot;</span>
+<span id="L1665" class="LineNr">1665 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'pixel' is not a screen&quot;</span>
 <span id="L1666" class="LineNr">1666 </span>    <span class="PreProc">return</span>
 <span id="L1667" class="LineNr">1667 </span>  <span class="Delimiter">}</span>
 <span id="L1668" class="LineNr">1668 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1738,7 +1738,7 @@ if ('onhashchange' in window) {
 <span id="L1679" class="LineNr">1679 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1680" class="LineNr">1680 </span>  <span class="Delimiter">{</span>
 <span id="L1681" class="LineNr">1681 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1682" class="LineNr">1682 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for 'pixel' is not an int (x coordinate)&quot;</span>
+<span id="L1682" class="LineNr">1682 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for 'pixel' is not an int (x coordinate)&quot;</span>
 <span id="L1683" class="LineNr">1683 </span>    <span class="PreProc">return</span>
 <span id="L1684" class="LineNr">1684 </span>  <span class="Delimiter">}</span>
 <span id="L1685" class="LineNr">1685 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1754,7 +1754,7 @@ if ('onhashchange' in window) {
 <span id="L1695" class="LineNr">1695 </span>  compare *third-type, <span class="Constant">1</span>/number
 <span id="L1696" class="LineNr">1696 </span>  <span class="Delimiter">{</span>
 <span id="L1697" class="LineNr">1697 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1698" class="LineNr">1698 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;third arg for 'pixel' is not an int (y coordinate)&quot;</span>
+<span id="L1698" class="LineNr">1698 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;third arg for 'pixel' is not an int (y coordinate)&quot;</span>
 <span id="L1699" class="LineNr">1699 </span>    <span class="PreProc">return</span>
 <span id="L1700" class="LineNr">1700 </span>  <span class="Delimiter">}</span>
 <span id="L1701" class="LineNr">1701 </span>  <span class="PreProc">var</span> third-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get third, number-data
@@ -1770,26 +1770,26 @@ if ('onhashchange' in window) {
 <span id="L1711" class="LineNr">1711 </span>  compare *fourth-type, <span class="Constant">1</span>/number
 <span id="L1712" class="LineNr">1712 </span>  <span class="Delimiter">{</span>
 <span id="L1713" class="LineNr">1713 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1714" class="LineNr">1714 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;fourth arg for 'pixel' is not an int (color; 0..0xff)&quot;</span>
+<span id="L1714" class="LineNr">1714 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;fourth arg for 'pixel' is not an int (color; 0..0xff)&quot;</span>
 <span id="L1715" class="LineNr">1715 </span>    <span class="PreProc">return</span>
 <span id="L1716" class="LineNr">1716 </span>  <span class="Delimiter">}</span>
 <span id="L1717" class="LineNr">1717 </span>  <span class="PreProc">var</span> fourth-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get fourth, number-data
 <span id="L1718" class="LineNr">1718 </span>  <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *fourth-value
-<span id="L1719" class="LineNr">1719 </span>  <a href='../500fake-screen.mu.html#L462'>pixel</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x, y, color
+<span id="L1719" class="LineNr">1719 </span>  <a href='../500fake-screen.mu.html#L463'>pixel</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x, y, color
 <span id="L1720" class="LineNr">1720 </span>  <span class="muComment"># return nothing</span>
 <span id="L1721" class="LineNr">1721 </span><span class="Delimiter">}</span>
 <span id="L1722" class="LineNr">1722 </span>
 <span id="L1723" class="LineNr">1723 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1723'>apply-wait-for-key</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1724" class="LineNr">1724 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply key&quot;</span>
+<span id="L1724" class="LineNr">1724 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply key&quot;</span>
 <span id="L1725" class="LineNr">1725 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1726" class="LineNr">1726 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1727" class="LineNr">1727 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1728" class="LineNr">1728 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1729" class="LineNr">1729 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1729" class="LineNr">1729 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1730" class="LineNr">1730 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1731" class="LineNr">1731 </span>  <span class="Delimiter">{</span>
 <span id="L1732" class="LineNr">1732 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1733" class="LineNr">1733 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;key needs 1 arg but got 0&quot;</span>
+<span id="L1733" class="LineNr">1733 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;key needs 1 arg but got 0&quot;</span>
 <span id="L1734" class="LineNr">1734 </span>    <span class="PreProc">return</span>
 <span id="L1735" class="LineNr">1735 </span>  <span class="Delimiter">}</span>
 <span id="L1736" class="LineNr">1736 </span>  <span class="muComment"># keyboard = args-&gt;left</span>
@@ -1799,7 +1799,7 @@ if ('onhashchange' in window) {
 <span id="L1740" class="LineNr">1740 </span>  compare *first-type, <span class="Constant">6</span>/keyboard
 <span id="L1741" class="LineNr">1741 </span>  <span class="Delimiter">{</span>
 <span id="L1742" class="LineNr">1742 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1743" class="LineNr">1743 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'key' is not a keyboard&quot;</span>
+<span id="L1743" class="LineNr">1743 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'key' is not a keyboard&quot;</span>
 <span id="L1744" class="LineNr">1744 </span>    <span class="PreProc">return</span>
 <span id="L1745" class="LineNr">1745 </span>  <span class="Delimiter">}</span>
 <span id="L1746" class="LineNr">1746 </span>  <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get first, keyboard-data
@@ -1826,21 +1826,21 @@ if ('onhashchange' in window) {
 <span id="L1767" class="LineNr">1767 </span><span class="Delimiter">}</span>
 <span id="L1768" class="LineNr">1768 </span>
 <span id="L1769" class="LineNr">1769 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1769'>apply-stream</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1770" class="LineNr">1770 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply stream&quot;</span>
+<span id="L1770" class="LineNr">1770 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply stream&quot;</span>
 <span id="L1771" class="LineNr">1771 </span>  <a href='cell.mu.html#L58'>allocate-stream</a> out
 <span id="L1772" class="LineNr">1772 </span><span class="Delimiter">}</span>
 <span id="L1773" class="LineNr">1773 </span>
 <span id="L1774" class="LineNr">1774 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1774'>apply-write</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1775" class="LineNr">1775 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply write&quot;</span>
+<span id="L1775" class="LineNr">1775 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply write&quot;</span>
 <span id="L1776" class="LineNr">1776 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1777" class="LineNr">1777 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1778" class="LineNr">1778 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1779" class="LineNr">1779 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1780" class="LineNr">1780 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1780" class="LineNr">1780 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1781" class="LineNr">1781 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1782" class="LineNr">1782 </span>  <span class="Delimiter">{</span>
 <span id="L1783" class="LineNr">1783 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1784" class="LineNr">1784 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;write needs 2 args but got 0&quot;</span>
+<span id="L1784" class="LineNr">1784 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;write needs 2 args but got 0&quot;</span>
 <span id="L1785" class="LineNr">1785 </span>    <span class="PreProc">return</span>
 <span id="L1786" class="LineNr">1786 </span>  <span class="Delimiter">}</span>
 <span id="L1787" class="LineNr">1787 </span>  <span class="muComment"># stream = args-&gt;left</span>
@@ -1850,7 +1850,7 @@ if ('onhashchange' in window) {
 <span id="L1791" class="LineNr">1791 </span>  compare *first-type, <span class="Constant">3</span>/stream
 <span id="L1792" class="LineNr">1792 </span>  <span class="Delimiter">{</span>
 <span id="L1793" class="LineNr">1793 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1794" class="LineNr">1794 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'write' is not a stream&quot;</span>
+<span id="L1794" class="LineNr">1794 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'write' is not a stream&quot;</span>
 <span id="L1795" class="LineNr">1795 </span>    <span class="PreProc">return</span>
 <span id="L1796" class="LineNr">1796 </span>  <span class="Delimiter">}</span>
 <span id="L1797" class="LineNr">1797 </span>  <span class="PreProc">var</span> stream-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get first, text-data
@@ -1866,7 +1866,7 @@ if ('onhashchange' in window) {
 <span id="L1807" class="LineNr">1807 </span>  compare *second-type, <span class="Constant">1</span>/number
 <span id="L1808" class="LineNr">1808 </span>  <span class="Delimiter">{</span>
 <span id="L1809" class="LineNr">1809 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1810" class="LineNr">1810 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;second arg for stream is not a number/grapheme&quot;</span>
+<span id="L1810" class="LineNr">1810 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;second arg for stream is not a number/grapheme&quot;</span>
 <span id="L1811" class="LineNr">1811 </span>    <span class="PreProc">return</span>
 <span id="L1812" class="LineNr">1812 </span>  <span class="Delimiter">}</span>
 <span id="L1813" class="LineNr">1813 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
@@ -1879,16 +1879,16 @@ if ('onhashchange' in window) {
 <span id="L1820" class="LineNr">1820 </span><span class="Delimiter">}</span>
 <span id="L1821" class="LineNr">1821 </span>
 <span id="L1822" class="LineNr">1822 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1822'>apply-lines</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1823" class="LineNr">1823 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply lines&quot;</span>
+<span id="L1823" class="LineNr">1823 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply lines&quot;</span>
 <span id="L1824" class="LineNr">1824 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1825" class="LineNr">1825 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1826" class="LineNr">1826 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1827" class="LineNr">1827 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1828" class="LineNr">1828 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1828" class="LineNr">1828 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1829" class="LineNr">1829 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1830" class="LineNr">1830 </span>  <span class="Delimiter">{</span>
 <span id="L1831" class="LineNr">1831 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1832" class="LineNr">1832 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;lines needs 1 arg but got 0&quot;</span>
+<span id="L1832" class="LineNr">1832 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;lines needs 1 arg but got 0&quot;</span>
 <span id="L1833" class="LineNr">1833 </span>    <span class="PreProc">return</span>
 <span id="L1834" class="LineNr">1834 </span>  <span class="Delimiter">}</span>
 <span id="L1835" class="LineNr">1835 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1898,7 +1898,7 @@ if ('onhashchange' in window) {
 <span id="L1839" class="LineNr">1839 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1840" class="LineNr">1840 </span>  <span class="Delimiter">{</span>
 <span id="L1841" class="LineNr">1841 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1842" class="LineNr">1842 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'lines' is not a screen&quot;</span>
+<span id="L1842" class="LineNr">1842 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'lines' is not a screen&quot;</span>
 <span id="L1843" class="LineNr">1843 </span>    <span class="PreProc">return</span>
 <span id="L1844" class="LineNr">1844 </span>  <span class="Delimiter">}</span>
 <span id="L1845" class="LineNr">1845 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1917,16 +1917,16 @@ if ('onhashchange' in window) {
 <span id="L1858" class="LineNr">1858 </span><span class="Delimiter">}</span>
 <span id="L1859" class="LineNr">1859 </span>
 <span id="L1860" class="LineNr">1860 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1860'>apply-columns</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1861" class="LineNr">1861 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply columns&quot;</span>
+<span id="L1861" class="LineNr">1861 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply columns&quot;</span>
 <span id="L1862" class="LineNr">1862 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1863" class="LineNr">1863 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1864" class="LineNr">1864 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1865" class="LineNr">1865 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1866" class="LineNr">1866 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1866" class="LineNr">1866 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1867" class="LineNr">1867 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1868" class="LineNr">1868 </span>  <span class="Delimiter">{</span>
 <span id="L1869" class="LineNr">1869 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1870" class="LineNr">1870 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;columns needs 1 arg but got 0&quot;</span>
+<span id="L1870" class="LineNr">1870 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;columns needs 1 arg but got 0&quot;</span>
 <span id="L1871" class="LineNr">1871 </span>    <span class="PreProc">return</span>
 <span id="L1872" class="LineNr">1872 </span>  <span class="Delimiter">}</span>
 <span id="L1873" class="LineNr">1873 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1936,7 +1936,7 @@ if ('onhashchange' in window) {
 <span id="L1877" class="LineNr">1877 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1878" class="LineNr">1878 </span>  <span class="Delimiter">{</span>
 <span id="L1879" class="LineNr">1879 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1880" class="LineNr">1880 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'columns' is not a screen&quot;</span>
+<span id="L1880" class="LineNr">1880 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'columns' is not a screen&quot;</span>
 <span id="L1881" class="LineNr">1881 </span>    <span class="PreProc">return</span>
 <span id="L1882" class="LineNr">1882 </span>  <span class="Delimiter">}</span>
 <span id="L1883" class="LineNr">1883 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1951,16 +1951,16 @@ if ('onhashchange' in window) {
 <span id="L1892" class="LineNr">1892 </span><span class="Delimiter">}</span>
 <span id="L1893" class="LineNr">1893 </span>
 <span id="L1894" class="LineNr">1894 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1894'>apply-width</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1895" class="LineNr">1895 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply width&quot;</span>
+<span id="L1895" class="LineNr">1895 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply width&quot;</span>
 <span id="L1896" class="LineNr">1896 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1897" class="LineNr">1897 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1898" class="LineNr">1898 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1899" class="LineNr">1899 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1900" class="LineNr">1900 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1900" class="LineNr">1900 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1901" class="LineNr">1901 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1902" class="LineNr">1902 </span>  <span class="Delimiter">{</span>
 <span id="L1903" class="LineNr">1903 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1904" class="LineNr">1904 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;width needs 1 arg but got 0&quot;</span>
+<span id="L1904" class="LineNr">1904 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;width needs 1 arg but got 0&quot;</span>
 <span id="L1905" class="LineNr">1905 </span>    <span class="PreProc">return</span>
 <span id="L1906" class="LineNr">1906 </span>  <span class="Delimiter">}</span>
 <span id="L1907" class="LineNr">1907 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -1970,7 +1970,7 @@ if ('onhashchange' in window) {
 <span id="L1911" class="LineNr">1911 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1912" class="LineNr">1912 </span>  <span class="Delimiter">{</span>
 <span id="L1913" class="LineNr">1913 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1914" class="LineNr">1914 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'width' is not a screen&quot;</span>
+<span id="L1914" class="LineNr">1914 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'width' is not a screen&quot;</span>
 <span id="L1915" class="LineNr">1915 </span>    <span class="PreProc">return</span>
 <span id="L1916" class="LineNr">1916 </span>  <span class="Delimiter">}</span>
 <span id="L1917" class="LineNr">1917 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
@@ -1986,16 +1986,16 @@ if ('onhashchange' in window) {
 <span id="L1927" class="LineNr">1927 </span><span class="Delimiter">}</span>
 <span id="L1928" class="LineNr">1928 </span>
 <span id="L1929" class="LineNr">1929 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='global.mu.html#L1929'>apply-height</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L1930" class="LineNr">1930 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply height&quot;</span>
+<span id="L1930" class="LineNr">1930 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply height&quot;</span>
 <span id="L1931" class="LineNr">1931 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
 <span id="L1932" class="LineNr">1932 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *args-ah
 <span id="L1933" class="LineNr">1933 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
 <span id="L1934" class="LineNr">1934 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L1935" class="LineNr">1935 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> args
+<span id="L1935" class="LineNr">1935 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> args
 <span id="L1936" class="LineNr">1936 </span>  compare empty-args?, <span class="Constant">0</span>/false
 <span id="L1937" class="LineNr">1937 </span>  <span class="Delimiter">{</span>
 <span id="L1938" class="LineNr">1938 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1939" class="LineNr">1939 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;height needs 1 arg but got 0&quot;</span>
+<span id="L1939" class="LineNr">1939 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;height needs 1 arg but got 0&quot;</span>
 <span id="L1940" class="LineNr">1940 </span>    <span class="PreProc">return</span>
 <span id="L1941" class="LineNr">1941 </span>  <span class="Delimiter">}</span>
 <span id="L1942" class="LineNr">1942 </span>  <span class="muComment"># screen = args-&gt;left</span>
@@ -2005,7 +2005,7 @@ if ('onhashchange' in window) {
 <span id="L1946" class="LineNr">1946 </span>  compare *first-type, <span class="Constant">5</span>/screen
 <span id="L1947" class="LineNr">1947 </span>  <span class="Delimiter">{</span>
 <span id="L1948" class="LineNr">1948 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1949" class="LineNr">1949 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;first arg for 'height' is not a screen&quot;</span>
+<span id="L1949" class="LineNr">1949 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;first arg for 'height' is not a screen&quot;</span>
 <span id="L1950" class="LineNr">1950 </span>    <span class="PreProc">return</span>
 <span id="L1951" class="LineNr">1951 </span>  <span class="Delimiter">}</span>
 <span id="L1952" class="LineNr">1952 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get first, screen-data
diff --git a/html/shell/grapheme-stack.mu.html b/html/shell/grapheme-stack.mu.html
index a4e0719d..d5da89b7 100644
--- a/html/shell/grapheme-stack.mu.html
+++ b/html/shell/grapheme-stack.mu.html
@@ -168,7 +168,7 @@ if ('onhashchange' in window) {
 <span id="L109" class="LineNr">109 </span>        <span class="PreProc">break-if-!=</span>
 <span id="L110" class="LineNr">110 </span>        copy-to fg, <span class="Constant">0xf</span>/highlight
 <span id="L111" class="LineNr">111 </span>      <span class="Delimiter">}</span>
-<span id="L112" class="LineNr">112 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L141'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, fg, background-color
+<span id="L112" class="LineNr">112 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L148'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, fg, background-color
 <span id="L113" class="LineNr">113 </span>    <span class="Delimiter">}</span>
 <span id="L114" class="LineNr">114 </span>    i <span class="Special">&lt;-</span> increment
 <span id="L115" class="LineNr">115 </span>    <span class="PreProc">loop</span>
@@ -212,7 +212,7 @@ if ('onhashchange' in window) {
 <span id="L153" class="LineNr">153 </span>    compare i, <span class="Constant">0</span>
 <span id="L154" class="LineNr">154 </span>    <span class="PreProc">break-if-&lt;</span>
 <span id="L155" class="LineNr">155 </span>    <span class="PreProc">var</span> g/<span class="Constant">esi</span>: (addr grapheme) <span class="Special">&lt;-</span> index data, i
-<span id="L156" class="LineNr">156 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L141'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, color, <span class="Constant">7</span>/bg=cursor
+<span id="L156" class="LineNr">156 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L148'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, color, <span class="Constant">7</span>/bg=cursor
 <span id="L157" class="LineNr">157 </span>    i <span class="Special">&lt;-</span> decrement
 <span id="L158" class="LineNr">158 </span>  <span class="Delimiter">}</span>
 <span id="L159" class="LineNr">159 </span>  <span class="muComment"># remaining iterations</span>
@@ -232,7 +232,7 @@ if ('onhashchange' in window) {
 <span id="L173" class="LineNr">173 </span>    <span class="Delimiter">}</span>
 <span id="L174" class="LineNr">174 </span>    <span class="muComment">#</span>
 <span id="L175" class="LineNr">175 </span>    <span class="PreProc">var</span> g/<span class="Constant">esi</span>: (addr grapheme) <span class="Special">&lt;-</span> index data, i
-<span id="L176" class="LineNr">176 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L141'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, fg, background-color
+<span id="L176" class="LineNr">176 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L148'>render-grapheme</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *g, xmin, ymin, xmax, ymax, x, y, fg, background-color
 <span id="L177" class="LineNr">177 </span>    i <span class="Special">&lt;-</span> decrement
 <span id="L178" class="LineNr">178 </span>    <span class="PreProc">loop</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Delimiter">}</span>
diff --git a/html/shell/macroexpand.mu.html b/html/shell/macroexpand.mu.html
index 4dfb34e4..bdd65450 100644
--- a/html/shell/macroexpand.mu.html
+++ b/html/shell/macroexpand.mu.html
@@ -60,368 +60,513 @@ if ('onhashchange' in window) {
 <a href='https://github.com/akkartik/mu/blob/main/shell/macroexpand.mu'>https://github.com/akkartik/mu/blob/main/shell/macroexpand.mu</a>
 <pre id='vimCodeElement'>
 <span id="L1" class="LineNr">  1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L1'>macroexpand</a></span> expr-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L2" class="Folded">  2 </span><span class="Folded">+-- 11 lines: # trace &quot;macroexpand &quot; expr-ah --------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L13" class="LineNr"> 13 </span>  <span class="muComment"># loop until convergence</span>
-<span id="L14" class="LineNr"> 14 </span>  <span class="Delimiter">{</span>
-<span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">var</span> expanded?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> expr-ah, globals, trace
-<span id="L16" class="LineNr"> 16 </span>    compare expanded?, <span class="Constant">0</span>/false
-<span id="L17" class="LineNr"> 17 </span>    <span class="PreProc">loop-if-!=</span>
-<span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
-<span id="L19" class="Folded"> 19 </span><span class="Folded">+-- 11 lines: # trace &quot;=&gt; &quot; expr-ah -----------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L30" class="LineNr"> 30 </span><span class="Delimiter">}</span>
-<span id="L31" class="LineNr"> 31 </span>
-<span id="L32" class="LineNr"> 32 </span><span class="muComment"># return true if we found any macros</span>
-<span id="L33" class="LineNr"> 33 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L33'>macroexpand-iter</a></span> _expr-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="PreProc">var</span> expr-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _expr-ah
-<span id="L35" class="Folded"> 35 </span><span class="Folded">+-- 11 lines: # trace &quot;macroexpand-iter &quot; expr ------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="muComment"># if expr is a non-pair, return</span>
-<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> expr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expr-ah
-<span id="L48" class="LineNr"> 48 </span>  <span class="Delimiter">{</span>
-<span id="L49" class="LineNr"> 49 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> expr
-<span id="L50" class="LineNr"> 50 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L51" class="LineNr"> 51 </span>    <span class="PreProc">break-if-=</span>
-<span id="L52" class="LineNr"> 52 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L53" class="LineNr"> 53 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;nil&quot;</span>
-<span id="L54" class="LineNr"> 54 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L55" class="LineNr"> 55 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L56" class="LineNr"> 56 </span>  <span class="Delimiter">}</span>
-<span id="L57" class="LineNr"> 57 </span>  <span class="Delimiter">{</span>
-<span id="L58" class="LineNr"> 58 </span>    <span class="PreProc">var</span> expr-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get expr, <span class="PreProc">type</span>
-<span id="L59" class="LineNr"> 59 </span>    compare *expr-type, <span class="Constant">0</span>/pair
-<span id="L60" class="LineNr"> 60 </span>    <span class="PreProc">break-if-=</span>
-<span id="L61" class="LineNr"> 61 </span>    <span class="muComment"># non-pairs are literals</span>
-<span id="L62" class="LineNr"> 62 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;non-pair&quot;</span>
-<span id="L63" class="LineNr"> 63 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L64" class="LineNr"> 64 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L65" class="LineNr"> 65 </span>  <span class="Delimiter">}</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="muComment"># if expr is a literal pair, return</span>
-<span id="L67" class="LineNr"> 67 </span>  <span class="PreProc">var</span> first-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, left
-<span id="L68" class="LineNr"> 68 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, right
-<span id="L69" class="LineNr"> 69 </span>  <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
-<span id="L70" class="LineNr"> 70 </span>  <span class="Delimiter">{</span>
-<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1221'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1221'>litfn?</a> first
-<span id="L72" class="LineNr"> 72 </span>    compare <a href='evaluate.mu.html#L1221'>litfn?</a>, <span class="Constant">0</span>/false
-<span id="L73" class="LineNr"> 73 </span>    <span class="PreProc">break-if-=</span>
-<span id="L74" class="LineNr"> 74 </span>    <span class="muComment"># litfn is a literal</span>
-<span id="L75" class="LineNr"> 75 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;literal function&quot;</span>
-<span id="L76" class="LineNr"> 76 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L77" class="LineNr"> 77 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">}</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Delimiter">{</span>
-<span id="L80" class="LineNr"> 80 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1235'>litmac?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1235'>litmac?</a> first
-<span id="L81" class="LineNr"> 81 </span>    compare <a href='evaluate.mu.html#L1235'>litmac?</a>, <span class="Constant">0</span>/false
-<span id="L82" class="LineNr"> 82 </span>    <span class="PreProc">break-if-=</span>
-<span id="L83" class="LineNr"> 83 </span>    <span class="muComment"># litmac is a literal</span>
-<span id="L84" class="LineNr"> 84 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;literal macro&quot;</span>
-<span id="L85" class="LineNr"> 85 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L86" class="LineNr"> 86 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L87" class="LineNr"> 87 </span>  <span class="Delimiter">}</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L89" class="LineNr"> 89 </span>  <span class="muComment"># for each builtin, expand only what will later be evaluated</span>
-<span id="L90" class="LineNr"> 90 </span>  $macroexpand-iter:anonymous-function: <span class="Delimiter">{</span>
-<span id="L91" class="LineNr"> 91 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1207'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1207'>fn?</a> first
-<span id="L92" class="LineNr"> 92 </span>    compare <a href='evaluate.mu.html#L1207'>fn?</a>, <span class="Constant">0</span>/false
-<span id="L93" class="LineNr"> 93 </span>    <span class="PreProc">break-if-=</span>
-<span id="L94" class="LineNr"> 94 </span>    <span class="muComment"># fn: expand every expression in the body</span>
-<span id="L95" class="LineNr"> 95 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;anonymous function&quot;</span>
-<span id="L96" class="LineNr"> 96 </span>    <span class="muComment"># skip parameters</span>
-<span id="L97" class="LineNr"> 97 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L98" class="LineNr"> 98 </span>    <span class="Delimiter">{</span>
-<span id="L99" class="LineNr"> 99 </span>      rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L100" class="LineNr">100 </span>      rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L101" class="LineNr">101 </span>      <span class="Delimiter">{</span>
-<span id="L102" class="LineNr">102 </span>        <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> rest
-<span id="L103" class="LineNr">103 </span>        compare done?, <span class="Constant">0</span>/false
-<span id="L104" class="LineNr">104 </span>      <span class="Delimiter">}</span>
-<span id="L105" class="LineNr">105 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L106" class="LineNr">106 </span>      <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L107" class="LineNr">107 </span>      <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> curr-ah, globals, trace
-<span id="L108" class="LineNr">108 </span>      result <span class="Special">&lt;-</span> or macro-found?
-<span id="L109" class="LineNr">109 </span>      <span class="PreProc">loop</span>
-<span id="L110" class="LineNr">110 </span>    <span class="Delimiter">}</span>
-<span id="L111" class="LineNr">111 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L112" class="LineNr">112 </span>    <span class="PreProc">return</span> result
-<span id="L113" class="LineNr">113 </span>  <span class="Delimiter">}</span>
-<span id="L114" class="LineNr">114 </span>  <span class="muComment"># builtins with &quot;special&quot; evaluation rules</span>
-<span id="L115" class="LineNr">115 </span>  $macroexpand-iter:quote: <span class="Delimiter">{</span>
-<span id="L116" class="LineNr">116 </span>    <span class="muComment"># trees starting with single quote create literals</span>
-<span id="L117" class="LineNr">117 </span>    <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;'&quot;</span>
-<span id="L118" class="LineNr">118 </span>    compare quote?, <span class="Constant">0</span>/false
-<span id="L119" class="LineNr">119 </span>    <span class="PreProc">break-if-=</span>
-<span id="L120" class="LineNr">120 </span>    <span class="muComment">#</span>
-<span id="L121" class="LineNr">121 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;quote&quot;</span>
-<span id="L122" class="LineNr">122 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L123" class="LineNr">123 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L124" class="LineNr">124 </span>  <span class="Delimiter">}</span>
-<span id="L125" class="LineNr">125 </span>  $macroexpand-iter:backquote: <span class="Delimiter">{</span>
-<span id="L126" class="LineNr">126 </span>    <span class="muComment"># nested backquote not supported for now</span>
-<span id="L127" class="LineNr">127 </span>    <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;`&quot;</span>
-<span id="L128" class="LineNr">128 </span>    compare backquote?, <span class="Constant">0</span>/false
-<span id="L129" class="LineNr">129 </span>    <span class="PreProc">break-if-=</span>
-<span id="L130" class="LineNr">130 </span>    <span class="muComment">#</span>
-<span id="L131" class="LineNr">131 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;nested backquote not supported yet&quot;</span>
-<span id="L132" class="LineNr">132 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L133" class="LineNr">133 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
-<span id="L135" class="LineNr">135 </span>  $macroexpand-iter:def: <span class="Delimiter">{</span>
-<span id="L136" class="LineNr">136 </span>    <span class="muComment"># trees starting with &quot;def&quot; define globals</span>
-<span id="L137" class="LineNr">137 </span>    <span class="PreProc">var</span> def?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;def&quot;</span>
-<span id="L138" class="LineNr">138 </span>    compare def?, <span class="Constant">0</span>/false
-<span id="L139" class="LineNr">139 </span>    <span class="PreProc">break-if-=</span>
-<span id="L140" class="LineNr">140 </span>    <span class="muComment">#</span>
-<span id="L141" class="LineNr">141 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;def&quot;</span>
-<span id="L142" class="LineNr">142 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L143" class="LineNr">143 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right  <span class="muComment"># skip name</span>
-<span id="L144" class="LineNr">144 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L145" class="LineNr">145 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L146" class="LineNr">146 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> val-ah, globals, trace
-<span id="L147" class="LineNr">147 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L148" class="LineNr">148 </span>    <span class="PreProc">return</span> macro-found?
-<span id="L149" class="LineNr">149 </span>  <span class="Delimiter">}</span>
-<span id="L150" class="LineNr">150 </span>  $macroexpand-iter:set: <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>    <span class="muComment"># trees starting with &quot;set&quot; mutate bindings</span>
-<span id="L152" class="LineNr">152 </span>    <span class="PreProc">var</span> set?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;set&quot;</span>
-<span id="L153" class="LineNr">153 </span>    compare set?, <span class="Constant">0</span>/false
-<span id="L154" class="LineNr">154 </span>    <span class="PreProc">break-if-=</span>
-<span id="L155" class="LineNr">155 </span>    <span class="muComment">#</span>
-<span id="L156" class="LineNr">156 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;set&quot;</span>
-<span id="L157" class="LineNr">157 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L158" class="LineNr">158 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right  <span class="muComment"># skip name</span>
-<span id="L159" class="LineNr">159 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L160" class="LineNr">160 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L161" class="LineNr">161 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> val-ah, globals, trace
-<span id="L162" class="LineNr">162 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L163" class="LineNr">163 </span>    <span class="PreProc">return</span> macro-found?
+<span id="L2" class="Folded">  2 </span><span class="Folded">+-- 15 lines: # trace &quot;macroexpand &quot; expr-ah --------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L17" class="LineNr"> 17 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L18" class="LineNr"> 18 </span>  <span class="muComment"># loop until convergence</span>
+<span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">{</span>
+<span id="L20" class="LineNr"> 20 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L21" class="LineNr"> 21 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L23" class="LineNr"> 23 </span>    <span class="PreProc">var</span> expanded?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> expr-ah, globals, trace
+<span id="L24" class="LineNr"> 24 </span>    compare expanded?, <span class="Constant">0</span>/false
+<span id="L25" class="LineNr"> 25 </span>    <span class="PreProc">loop-if-!=</span>
+<span id="L26" class="LineNr"> 26 </span>  <span class="Delimiter">}</span>
+<span id="L27" class="LineNr"> 27 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L28" class="Folded"> 28 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; expr-ah -----------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">}</span>
+<span id="L44" class="LineNr"> 44 </span>
+<span id="L45" class="LineNr"> 45 </span><span class="muComment"># return true if we found any macros</span>
+<span id="L46" class="LineNr"> 46 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L46'>macroexpand-iter</a></span> _expr-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> expr-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _expr-ah
+<span id="L48" class="Folded"> 48 </span><span class="Folded">+-- 15 lines: # trace &quot;macroexpand-iter &quot; expr ------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L63" class="LineNr"> 63 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L64" class="LineNr"> 64 </span>  <span class="muComment"># if expr is a non-pair, return</span>
+<span id="L65" class="LineNr"> 65 </span>  <span class="PreProc">var</span> expr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expr-ah
+<span id="L66" class="LineNr"> 66 </span>  <span class="Delimiter">{</span>
+<span id="L67" class="LineNr"> 67 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> expr
+<span id="L68" class="LineNr"> 68 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L69" class="LineNr"> 69 </span>    <span class="PreProc">break-if-=</span>
+<span id="L70" class="LineNr"> 70 </span>    <span class="muComment"># nil is a literal</span>
+<span id="L71" class="LineNr"> 71 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;nil&quot;</span>
+<span id="L72" class="LineNr"> 72 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L73" class="LineNr"> 73 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
+<span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">{</span>
+<span id="L76" class="LineNr"> 76 </span>    <span class="PreProc">var</span> expr-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get expr, <span class="PreProc">type</span>
+<span id="L77" class="LineNr"> 77 </span>    compare *expr-type, <span class="Constant">0</span>/pair
+<span id="L78" class="LineNr"> 78 </span>    <span class="PreProc">break-if-=</span>
+<span id="L79" class="LineNr"> 79 </span>    <span class="muComment"># non-pairs are literals</span>
+<span id="L80" class="LineNr"> 80 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;non-pair&quot;</span>
+<span id="L81" class="LineNr"> 81 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L82" class="LineNr"> 82 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L83" class="LineNr"> 83 </span>  <span class="Delimiter">}</span>
+<span id="L84" class="LineNr"> 84 </span>  <span class="muComment"># if expr is a literal pair, return</span>
+<span id="L85" class="LineNr"> 85 </span>  <span class="PreProc">var</span> first-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, left
+<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, right
+<span id="L87" class="LineNr"> 87 </span>  <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *first-ah
+<span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">{</span>
+<span id="L89" class="LineNr"> 89 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1370'>litfn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1370'>litfn?</a> first
+<span id="L90" class="LineNr"> 90 </span>    compare <a href='evaluate.mu.html#L1370'>litfn?</a>, <span class="Constant">0</span>/false
+<span id="L91" class="LineNr"> 91 </span>    <span class="PreProc">break-if-=</span>
+<span id="L92" class="LineNr"> 92 </span>    <span class="muComment"># litfn is a literal</span>
+<span id="L93" class="LineNr"> 93 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;literal function&quot;</span>
+<span id="L94" class="LineNr"> 94 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L95" class="LineNr"> 95 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L96" class="LineNr"> 96 </span>  <span class="Delimiter">}</span>
+<span id="L97" class="LineNr"> 97 </span>  <span class="Delimiter">{</span>
+<span id="L98" class="LineNr"> 98 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1384'>litmac?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1384'>litmac?</a> first
+<span id="L99" class="LineNr"> 99 </span>    compare <a href='evaluate.mu.html#L1384'>litmac?</a>, <span class="Constant">0</span>/false
+<span id="L100" class="LineNr">100 </span>    <span class="PreProc">break-if-=</span>
+<span id="L101" class="LineNr">101 </span>    <span class="muComment"># litmac is a literal</span>
+<span id="L102" class="LineNr">102 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;literal macro&quot;</span>
+<span id="L103" class="LineNr">103 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L104" class="LineNr">104 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L105" class="LineNr">105 </span>  <span class="Delimiter">}</span>
+<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L107" class="LineNr">107 </span>  <span class="muComment"># for each builtin, expand only what will later be evaluated</span>
+<span id="L108" class="LineNr">108 </span>  $macroexpand-iter:anonymous-function: <span class="Delimiter">{</span>
+<span id="L109" class="LineNr">109 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1356'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1356'>fn?</a> first
+<span id="L110" class="LineNr">110 </span>    compare <a href='evaluate.mu.html#L1356'>fn?</a>, <span class="Constant">0</span>/false
+<span id="L111" class="LineNr">111 </span>    <span class="PreProc">break-if-=</span>
+<span id="L112" class="LineNr">112 </span>    <span class="muComment"># fn: expand every expression in the body</span>
+<span id="L113" class="LineNr">113 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;anonymous function&quot;</span>
+<span id="L114" class="LineNr">114 </span>    <span class="muComment"># skip parameters</span>
+<span id="L115" class="LineNr">115 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L116" class="LineNr">116 </span>    <span class="Delimiter">{</span>
+<span id="L117" class="LineNr">117 </span>      rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L118" class="LineNr">118 </span>      rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L119" class="LineNr">119 </span>      <span class="Delimiter">{</span>
+<span id="L120" class="LineNr">120 </span>        <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> rest
+<span id="L121" class="LineNr">121 </span>        compare done?, <span class="Constant">0</span>/false
+<span id="L122" class="LineNr">122 </span>      <span class="Delimiter">}</span>
+<span id="L123" class="LineNr">123 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L124" class="LineNr">124 </span>      <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L125" class="LineNr">125 </span>      <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> curr-ah, globals, trace
+<span id="L126" class="LineNr">126 </span>      result <span class="Special">&lt;-</span> or macro-found?
+<span id="L127" class="LineNr">127 </span>      <span class="Delimiter">{</span>
+<span id="L128" class="LineNr">128 </span>        <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L129" class="LineNr">129 </span>        compare error?, <span class="Constant">0</span>/false
+<span id="L130" class="LineNr">130 </span>        <span class="PreProc">break-if-=</span>
+<span id="L131" class="LineNr">131 </span>        <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L132" class="LineNr">132 </span>        <span class="PreProc">return</span> result
+<span id="L133" class="LineNr">133 </span>      <span class="Delimiter">}</span>
+<span id="L134" class="LineNr">134 </span>      <span class="PreProc">loop</span>
+<span id="L135" class="LineNr">135 </span>    <span class="Delimiter">}</span>
+<span id="L136" class="LineNr">136 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L137" class="Folded">137 </span><span class="Folded">+-- 15 lines: # trace &quot;fn=&gt; &quot; _expr-ah --------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L152" class="LineNr">152 </span>    <span class="PreProc">return</span> result
+<span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
+<span id="L154" class="LineNr">154 </span>  <span class="muComment"># builtins with &quot;special&quot; evaluation rules</span>
+<span id="L155" class="LineNr">155 </span>  $macroexpand-iter:quote: <span class="Delimiter">{</span>
+<span id="L156" class="LineNr">156 </span>    <span class="muComment"># trees starting with single quote create literals</span>
+<span id="L157" class="LineNr">157 </span>    <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;'&quot;</span>
+<span id="L158" class="LineNr">158 </span>    compare quote?, <span class="Constant">0</span>/false
+<span id="L159" class="LineNr">159 </span>    <span class="PreProc">break-if-=</span>
+<span id="L160" class="LineNr">160 </span>    <span class="muComment">#</span>
+<span id="L161" class="LineNr">161 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;quote&quot;</span>
+<span id="L162" class="LineNr">162 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L163" class="LineNr">163 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
 <span id="L164" class="LineNr">164 </span>  <span class="Delimiter">}</span>
-<span id="L165" class="LineNr">165 </span>  <span class="muComment"># 'and' is like a function for macroexpansion purposes</span>
-<span id="L166" class="LineNr">166 </span>  <span class="muComment"># 'or' is like a function for macroexpansion purposes</span>
-<span id="L167" class="LineNr">167 </span>  <span class="muComment"># 'if' is like a function for macroexpansion purposes</span>
-<span id="L168" class="LineNr">168 </span>  <span class="muComment"># 'while' is like a function for macroexpansion purposes</span>
-<span id="L169" class="LineNr">169 </span>  <span class="muComment"># if car(expr) is a symbol defined as a macro, expand it</span>
-<span id="L170" class="LineNr">170 </span>  <span class="Delimiter">{</span>
-<span id="L171" class="LineNr">171 </span>    <span class="PreProc">var</span> definition-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L172" class="LineNr">172 </span>    <span class="PreProc">var</span> definition-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address definition-h
-<span id="L173" class="LineNr">173 </span>    <a href='global.mu.html#L401'>maybe-lookup-symbol-in-globals</a> first, definition-ah, globals, trace
-<span id="L174" class="LineNr">174 </span>    <span class="PreProc">var</span> definition/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *definition-ah
-<span id="L175" class="LineNr">175 </span>    compare definition, <span class="Constant">0</span>
-<span id="L176" class="LineNr">176 </span>    <span class="PreProc">break-if-=</span>
-<span id="L177" class="LineNr">177 </span>    <span class="muComment"># definition found</span>
-<span id="L178" class="LineNr">178 </span>    <span class="Delimiter">{</span>
-<span id="L179" class="LineNr">179 </span>      <span class="PreProc">var</span> definition-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get definition, <span class="PreProc">type</span>
-<span id="L180" class="LineNr">180 </span>      compare *definition-type, <span class="Constant">0</span>/pair
-<span id="L181" class="LineNr">181 </span>    <span class="Delimiter">}</span>
-<span id="L182" class="LineNr">182 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L183" class="LineNr">183 </span>    <span class="muComment"># definition is a pair</span>
-<span id="L184" class="LineNr">184 </span>    <span class="Delimiter">{</span>
-<span id="L185" class="LineNr">185 </span>      <span class="PreProc">var</span> definition-car-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get definition, left
-<span id="L186" class="LineNr">186 </span>      <span class="PreProc">var</span> definition-car/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *definition-car-ah
-<span id="L187" class="LineNr">187 </span>      <span class="PreProc">var</span> macro?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1235'>litmac?</a> definition-car
-<span id="L188" class="LineNr">188 </span>      compare macro?, <span class="Constant">0</span>/false
-<span id="L189" class="LineNr">189 </span>    <span class="Delimiter">}</span>
-<span id="L190" class="LineNr">190 </span>    <span class="PreProc">break-if-=</span>
-<span id="L191" class="LineNr">191 </span>    <span class="muComment"># definition is a macro</span>
-<span id="L192" class="LineNr">192 </span>    <span class="PreProc">var</span> macro-definition-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get definition, right
-<span id="L193" class="LineNr">193 </span>    <span class="muComment"># TODO: check car(macro-definition) is litfn</span>
-<span id="L194" class="LineNr">194 </span><span class="CommentedCode">#?     turn-on-debug-print</span>
-<span id="L195" class="LineNr">195 </span>    <a href='evaluate.mu.html#L517'>apply</a> macro-definition-ah, rest-ah, expr-ah, globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
-<span id="L196" class="LineNr">196 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L197" class="LineNr">197 </span>  <span class="Delimiter">}</span>
-<span id="L198" class="LineNr">198 </span>  <span class="muComment"># no macro found; process any macros within args</span>
-<span id="L199" class="LineNr">199 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;recursing into function definition&quot;</span>
-<span id="L200" class="LineNr">200 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy first-ah
-<span id="L201" class="LineNr">201 </span>  $macroexpand-iter:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L202" class="LineNr">202 </span><span class="CommentedCode">#?     clear-screen 0/screen</span>
-<span id="L203" class="LineNr">203 </span><span class="CommentedCode">#?     dump-trace trace</span>
-<span id="L204" class="LineNr">204 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> curr-ah, globals, trace
-<span id="L205" class="LineNr">205 </span>    result <span class="Special">&lt;-</span> or macro-found?
-<span id="L206" class="LineNr">206 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
-<span id="L207" class="LineNr">207 </span>    <span class="Delimiter">{</span>
-<span id="L208" class="LineNr">208 </span>      <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> rest
-<span id="L209" class="LineNr">209 </span>      compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L210" class="LineNr">210 </span>    <span class="Delimiter">}</span>
-<span id="L211" class="LineNr">211 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L212" class="LineNr">212 </span>    curr-ah <span class="Special">&lt;-</span> get rest, left
-<span id="L213" class="LineNr">213 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
-<span id="L214" class="LineNr">214 </span>    <span class="PreProc">loop</span>
-<span id="L215" class="LineNr">215 </span>  <span class="Delimiter">}</span>
-<span id="L216" class="LineNr">216 </span>  <span class="PreProc">return</span> result
-<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
-<span id="L218" class="LineNr">218 </span>
-<span id="L219" class="LineNr">219 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L219'>test-macroexpand</a></span> <span class="Delimiter">{</span>
-<span id="L220" class="LineNr">220 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L221" class="LineNr">221 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L222" class="LineNr">222 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L223" class="LineNr">223 </span>  <span class="muComment"># new macro: m</span>
-<span id="L224" class="LineNr">224 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L225" class="LineNr">225 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L226" class="LineNr">226 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
-<span id="L227" class="LineNr">227 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L228" class="LineNr">228 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, trace
-<span id="L229" class="LineNr">229 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L230" class="LineNr">230 </span>  <span class="muComment"># invoke macro</span>
-<span id="L231" class="LineNr">231 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(m 3 4)&quot;</span>
-<span id="L232" class="LineNr">232 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L233" class="LineNr">233 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
-<span id="L234" class="LineNr">234 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L235" class="LineNr">235 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
-<span id="L236" class="LineNr">236 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, <span class="Constant">0</span>/no-trace
-<span id="L237" class="LineNr">237 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L238" class="LineNr">238 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
-<span id="L239" class="LineNr">239 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
-<span id="L240" class="LineNr">240 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
-<span id="L241" class="LineNr">241 </span>  <span class="muComment"># expected</span>
-<span id="L242" class="LineNr">242 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(+ 3 4)&quot;</span>
-<span id="L243" class="LineNr">243 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L244" class="LineNr">244 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
-<span id="L245" class="LineNr">245 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L246" class="LineNr">246 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
-<span id="L247" class="LineNr">247 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, <span class="Constant">0</span>/no-trace
-<span id="L248" class="LineNr">248 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen expected-ah</span>
-<span id="L249" class="LineNr">249 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
-<span id="L250" class="LineNr">250 </span>  <span class="muComment">#</span>
-<span id="L251" class="LineNr">251 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> result, expected, <span class="Constant">0</span>/no-trace
-<span id="L252" class="LineNr">252 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand&quot;</span>
-<span id="L253" class="LineNr">253 </span><span class="Delimiter">}</span>
-<span id="L254" class="LineNr">254 </span>
-<span id="L255" class="LineNr">255 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L255'>test-macroexpand-inside-anonymous-fn</a></span> <span class="muFunction">{</span>
-<span id="L256" class="LineNr">256 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L257" class="LineNr">257 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L258" class="LineNr">258 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L259" class="LineNr">259 </span>  <span class="muComment"># new macro: m</span>
-<span id="L260" class="LineNr">260 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L261" class="LineNr">261 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L262" class="LineNr">262 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
-<span id="L263" class="LineNr">263 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L264" class="LineNr">264 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, trace
-<span id="L265" class="LineNr">265 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L266" class="LineNr">266 </span>  <span class="muComment"># invoke macro</span>
-<span id="L267" class="LineNr">267 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(fn() (m 3 4))&quot;</span>
-<span id="L268" class="LineNr">268 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L269" class="LineNr">269 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
-<span id="L270" class="LineNr">270 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L271" class="LineNr">271 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
-<span id="L272" class="LineNr">272 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, <span class="Constant">0</span>/no-trace
-<span id="L273" class="LineNr">273 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L274" class="LineNr">274 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
-<span id="L275" class="LineNr">275 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
-<span id="L276" class="LineNr">276 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
-<span id="L277" class="LineNr">277 </span>  <span class="muComment"># expected</span>
-<span id="L278" class="LineNr">278 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(fn() (+ 3 4))&quot;</span>
-<span id="L279" class="LineNr">279 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L280" class="LineNr">280 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
-<span id="L281" class="LineNr">281 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L282" class="LineNr">282 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
-<span id="L283" class="LineNr">283 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, <span class="Constant">0</span>/no-trace
-<span id="L284" class="LineNr">284 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen expected-ah</span>
-<span id="L285" class="LineNr">285 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
-<span id="L286" class="LineNr">286 </span>  <span class="muComment">#</span>
-<span id="L287" class="LineNr">287 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> result, expected, <span class="Constant">0</span>/no-trace
-<span id="L288" class="LineNr">288 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-anonymous-fn&quot;</span>
-<span id="L289" class="LineNr">289 </span><span class="Delimiter">}</span>
-<span id="L290" class="LineNr">290 </span>
-<span id="L291" class="LineNr">291 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L291'>test-macroexpand-inside-fn-call</a></span> <span class="Delimiter">{</span>
-<span id="L292" class="LineNr">292 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L293" class="LineNr">293 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L294" class="LineNr">294 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L295" class="LineNr">295 </span>  <span class="muComment"># new macro: m</span>
-<span id="L296" class="LineNr">296 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L297" class="LineNr">297 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L298" class="LineNr">298 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
-<span id="L299" class="LineNr">299 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L300" class="LineNr">300 </span>  <span class="muComment"># invoke macro</span>
-<span id="L301" class="LineNr">301 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;((fn() (m 3 4)))&quot;</span>
-<span id="L302" class="LineNr">302 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L303" class="LineNr">303 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
-<span id="L304" class="LineNr">304 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L305" class="LineNr">305 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
-<span id="L306" class="LineNr">306 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, <span class="Constant">0</span>/no-trace
-<span id="L307" class="LineNr">307 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L308" class="LineNr">308 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
-<span id="L309" class="LineNr">309 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
-<span id="L310" class="LineNr">310 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
-<span id="L311" class="LineNr">311 </span>  <span class="muComment"># expected</span>
-<span id="L312" class="LineNr">312 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;((fn() (+ 3 4)))&quot;</span>
-<span id="L313" class="LineNr">313 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L314" class="LineNr">314 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
-<span id="L315" class="LineNr">315 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L316" class="LineNr">316 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
-<span id="L317" class="LineNr">317 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, <span class="Constant">0</span>/no-trace
-<span id="L318" class="LineNr">318 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen expected-ah</span>
-<span id="L319" class="LineNr">319 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
-<span id="L320" class="LineNr">320 </span>  <span class="muComment">#</span>
-<span id="L321" class="LineNr">321 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> result, expected, <span class="Constant">0</span>/no-trace
-<span id="L322" class="LineNr">322 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-fn-call&quot;</span>
-<span id="L323" class="LineNr">323 </span><span class="Delimiter">}</span>
-<span id="L324" class="LineNr">324 </span>
-<span id="L325" class="LineNr">325 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L325'>pending-test-macroexpand-inside-backquote-unquote</a></span> <span class="Delimiter">{</span>
-<span id="L326" class="LineNr">326 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L327" class="LineNr">327 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L328" class="LineNr">328 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L329" class="LineNr">329 </span>  <span class="muComment"># new macro: m</span>
-<span id="L330" class="LineNr">330 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L331" class="LineNr">331 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L332" class="LineNr">332 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
-<span id="L333" class="LineNr">333 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L334" class="LineNr">334 </span>  <span class="muComment"># invoke macro</span>
-<span id="L335" class="LineNr">335 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(print [result is ] ,(m 3 4)))&quot;</span>
-<span id="L336" class="LineNr">336 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L337" class="LineNr">337 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
-<span id="L338" class="LineNr">338 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L339" class="LineNr">339 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
-<span id="L340" class="LineNr">340 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, <span class="Constant">0</span>/no-trace
-<span id="L341" class="LineNr">341 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L342" class="LineNr">342 </span>  <a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a> result-ah
-<span id="L343" class="LineNr">343 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
-<span id="L344" class="LineNr">344 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
-<span id="L345" class="LineNr">345 </span>  <span class="muComment"># expected</span>
-<span id="L346" class="LineNr">346 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(print [result is ] ,(+ 3 4)))&quot;</span>
-<span id="L347" class="LineNr">347 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
-<span id="L349" class="LineNr">349 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L350" class="LineNr">350 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
-<span id="L351" class="LineNr">351 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, <span class="Constant">0</span>/no-trace
-<span id="L352" class="LineNr">352 </span>  <a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a> expected-ah
-<span id="L353" class="LineNr">353 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
-<span id="L354" class="LineNr">354 </span>  <span class="muComment">#</span>
-<span id="L355" class="LineNr">355 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> result, expected, <span class="Constant">0</span>/no-trace
-<span id="L356" class="LineNr">356 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-backquote-unquote&quot;</span>
-<span id="L357" class="LineNr">357 </span><span class="Delimiter">}</span>
-<span id="L358" class="LineNr">358 </span>
-<span id="L359" class="LineNr">359 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L359'>pending-test-macroexpand-inside-nested-backquote-unquote</a></span> <span class="Delimiter">{</span>
-<span id="L360" class="LineNr">360 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
-<span id="L361" class="LineNr">361 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
-<span id="L362" class="LineNr">362 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
-<span id="L363" class="LineNr">363 </span>  <span class="muComment"># new macro: m</span>
-<span id="L364" class="LineNr">364 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L365" class="LineNr">365 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L366" class="LineNr">366 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
-<span id="L367" class="LineNr">367 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L368" class="LineNr">368 </span>  <span class="muComment"># invoke macro</span>
-<span id="L369" class="LineNr">369 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(a ,(m 3 4) `(b ,(m 3 4) ,,(m 3 4)))&quot;</span>
-<span id="L370" class="LineNr">370 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L371" class="LineNr">371 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
-<span id="L372" class="LineNr">372 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L373" class="LineNr">373 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
-<span id="L374" class="LineNr">374 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, <span class="Constant">0</span>/no-trace
-<span id="L375" class="LineNr">375 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L33'>macroexpand-iter</a> result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L376" class="LineNr">376 </span>  <a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a> result-ah
-<span id="L377" class="LineNr">377 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
-<span id="L378" class="LineNr">378 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
-<span id="L379" class="LineNr">379 </span>  <span class="muComment"># expected</span>
-<span id="L380" class="LineNr">380 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(a ,(+ 3 4) `(b ,(m 3 4) ,,(+ 3 4)))&quot;</span>
-<span id="L381" class="LineNr">381 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L382" class="LineNr">382 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
-<span id="L383" class="LineNr">383 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L384" class="LineNr">384 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
-<span id="L385" class="LineNr">385 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, <span class="Constant">0</span>/no-trace
-<span id="L386" class="LineNr">386 </span>  <a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a> expected-ah
-<span id="L387" class="LineNr">387 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
-<span id="L388" class="LineNr">388 </span>  <span class="muComment">#</span>
-<span id="L389" class="LineNr">389 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1037'>cell-isomorphic?</a> result, expected, <span class="Constant">0</span>/no-trace
-<span id="L390" class="LineNr">390 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-nested-backquote-unquote&quot;</span>
-<span id="L391" class="LineNr">391 </span><span class="Delimiter">}</span>
-<span id="L392" class="LineNr">392 </span>
-<span id="L393" class="LineNr">393 </span><span class="muComment"># TODO: unquote-splice, nested and unnested</span>
+<span id="L165" class="LineNr">165 </span>  $macroexpand-iter:backquote: <span class="Delimiter">{</span>
+<span id="L166" class="LineNr">166 </span>    <span class="muComment"># nested backquote not supported for now</span>
+<span id="L167" class="LineNr">167 </span>    <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;`&quot;</span>
+<span id="L168" class="LineNr">168 </span>    compare backquote?, <span class="Constant">0</span>/false
+<span id="L169" class="LineNr">169 </span>    <span class="PreProc">break-if-=</span>
+<span id="L170" class="LineNr">170 </span>    <span class="muComment">#</span>
+<span id="L171" class="LineNr">171 </span><span class="CommentedCode">#?     set-cursor-position 0/screen, 0x40/x 0x10/y</span>
+<span id="L172" class="LineNr">172 </span><span class="CommentedCode">#?     dump-cell-from-cursor-over-full-screen rest-ah</span>
+<span id="L173" class="LineNr">173 </span>    <span class="PreProc">var</span> double-unquote-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L331'>look-for-double-unquote</a> rest-ah
+<span id="L174" class="LineNr">174 </span>    compare double-unquote-found?, <span class="Constant">0</span>/false
+<span id="L175" class="LineNr">175 </span>    <span class="Delimiter">{</span>
+<span id="L176" class="LineNr">176 </span>      <span class="PreProc">break-if-=</span>
+<span id="L177" class="LineNr">177 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;double unquote not supported yet&quot;</span>
+<span id="L178" class="LineNr">178 </span>    <span class="Delimiter">}</span>
+<span id="L179" class="LineNr">179 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L180" class="LineNr">180 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L181" class="LineNr">181 </span>  <span class="Delimiter">}</span>
+<span id="L182" class="LineNr">182 </span>  $macroexpand-iter:def: <span class="Delimiter">{</span>
+<span id="L183" class="LineNr">183 </span>    <span class="muComment"># trees starting with &quot;def&quot; define globals</span>
+<span id="L184" class="LineNr">184 </span>    <span class="PreProc">var</span> def?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;def&quot;</span>
+<span id="L185" class="LineNr">185 </span>    compare def?, <span class="Constant">0</span>/false
+<span id="L186" class="LineNr">186 </span>    <span class="PreProc">break-if-=</span>
+<span id="L187" class="LineNr">187 </span>    <span class="muComment">#</span>
+<span id="L188" class="LineNr">188 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;def&quot;</span>
+<span id="L189" class="LineNr">189 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L190" class="LineNr">190 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right  <span class="muComment"># skip name</span>
+<span id="L191" class="LineNr">191 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L192" class="LineNr">192 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L193" class="LineNr">193 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> val-ah, globals, trace
+<span id="L194" class="LineNr">194 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L195" class="Folded">195 </span><span class="Folded">+-- 15 lines: # trace &quot;def=&gt; &quot; _expr-ah -------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L210" class="LineNr">210 </span>    <span class="PreProc">return</span> macro-found?
+<span id="L211" class="LineNr">211 </span>  <span class="Delimiter">}</span>
+<span id="L212" class="LineNr">212 </span>  $macroexpand-iter:set: <span class="Delimiter">{</span>
+<span id="L213" class="LineNr">213 </span>    <span class="muComment"># trees starting with &quot;set&quot; mutate bindings</span>
+<span id="L214" class="LineNr">214 </span>    <span class="PreProc">var</span> set?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> first, <span class="Constant">&quot;set&quot;</span>
+<span id="L215" class="LineNr">215 </span>    compare set?, <span class="Constant">0</span>/false
+<span id="L216" class="LineNr">216 </span>    <span class="PreProc">break-if-=</span>
+<span id="L217" class="LineNr">217 </span>    <span class="muComment">#</span>
+<span id="L218" class="LineNr">218 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;set&quot;</span>
+<span id="L219" class="LineNr">219 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L220" class="LineNr">220 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right  <span class="muComment"># skip name</span>
+<span id="L221" class="LineNr">221 </span>    rest <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L222" class="LineNr">222 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
+<span id="L223" class="LineNr">223 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> val-ah, globals, trace
+<span id="L224" class="LineNr">224 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L225" class="Folded">225 </span><span class="Folded">+-- 15 lines: # trace &quot;set=&gt; &quot; _expr-ah -------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L240" class="LineNr">240 </span>    <span class="PreProc">return</span> macro-found?
+<span id="L241" class="LineNr">241 </span>  <span class="Delimiter">}</span>
+<span id="L242" class="LineNr">242 </span>  <span class="muComment"># 'and' is like a function for macroexpansion purposes</span>
+<span id="L243" class="LineNr">243 </span>  <span class="muComment"># 'or' is like a function for macroexpansion purposes</span>
+<span id="L244" class="LineNr">244 </span>  <span class="muComment"># 'if' is like a function for macroexpansion purposes</span>
+<span id="L245" class="LineNr">245 </span>  <span class="muComment"># 'while' is like a function for macroexpansion purposes</span>
+<span id="L246" class="LineNr">246 </span>  <span class="muComment"># if car(expr) is a symbol defined as a macro, expand it</span>
+<span id="L247" class="LineNr">247 </span>  <span class="Delimiter">{</span>
+<span id="L248" class="LineNr">248 </span>    <span class="PreProc">var</span> definition-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L249" class="LineNr">249 </span>    <span class="PreProc">var</span> definition-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address definition-h
+<span id="L250" class="LineNr">250 </span>    <a href='global.mu.html#L401'>maybe-lookup-symbol-in-globals</a> first, definition-ah, globals, trace
+<span id="L251" class="LineNr">251 </span>    <span class="PreProc">var</span> definition/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *definition-ah
+<span id="L252" class="LineNr">252 </span>    compare definition, <span class="Constant">0</span>
+<span id="L253" class="LineNr">253 </span>    <span class="PreProc">break-if-=</span>
+<span id="L254" class="LineNr">254 </span>    <span class="muComment"># definition found</span>
+<span id="L255" class="LineNr">255 </span>    <span class="Delimiter">{</span>
+<span id="L256" class="LineNr">256 </span>      <span class="PreProc">var</span> definition-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get definition, <span class="PreProc">type</span>
+<span id="L257" class="LineNr">257 </span>      compare *definition-type, <span class="Constant">0</span>/pair
+<span id="L258" class="LineNr">258 </span>    <span class="Delimiter">}</span>
+<span id="L259" class="LineNr">259 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L260" class="LineNr">260 </span>    <span class="muComment"># definition is a pair</span>
+<span id="L261" class="LineNr">261 </span>    <span class="Delimiter">{</span>
+<span id="L262" class="LineNr">262 </span>      <span class="PreProc">var</span> definition-car-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get definition, left
+<span id="L263" class="LineNr">263 </span>      <span class="PreProc">var</span> definition-car/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *definition-car-ah
+<span id="L264" class="LineNr">264 </span>      <span class="PreProc">var</span> macro?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1384'>litmac?</a> definition-car
+<span id="L265" class="LineNr">265 </span>      compare macro?, <span class="Constant">0</span>/false
+<span id="L266" class="LineNr">266 </span>    <span class="Delimiter">}</span>
+<span id="L267" class="LineNr">267 </span>    <span class="PreProc">break-if-=</span>
+<span id="L268" class="LineNr">268 </span>    <span class="muComment"># definition is a macro</span>
+<span id="L269" class="LineNr">269 </span>    <span class="PreProc">var</span> macro-definition-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get definition, right
+<span id="L270" class="LineNr">270 </span>    <span class="muComment"># TODO: check car(macro-definition) is litfn</span>
+<span id="L271" class="LineNr">271 </span><span class="CommentedCode">#?     turn-on-debug-print</span>
+<span id="L272" class="LineNr">272 </span>    <a href='evaluate.mu.html#L586'>apply</a> macro-definition-ah, rest-ah, expr-ah, globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
+<span id="L273" class="LineNr">273 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L274" class="Folded">274 </span><span class="Folded">+-- 15 lines: # trace &quot;1=&gt; &quot; _expr-ah ---------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L289" class="LineNr">289 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L290" class="LineNr">290 </span>  <span class="Delimiter">}</span>
+<span id="L291" class="LineNr">291 </span>  <span class="muComment"># no macro found; process any macros within args</span>
+<span id="L292" class="LineNr">292 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;mac&quot;</span>, <span class="Constant">&quot;recursing into function definition&quot;</span>
+<span id="L293" class="LineNr">293 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy first-ah
+<span id="L294" class="LineNr">294 </span>  $macroexpand-iter:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L295" class="LineNr">295 </span><span class="CommentedCode">#?     clear-screen 0/screen</span>
+<span id="L296" class="LineNr">296 </span><span class="CommentedCode">#?     dump-trace trace</span>
+<span id="L297" class="LineNr">297 </span>    <span class="PreProc">var</span> macro-found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> curr-ah, globals, trace
+<span id="L298" class="LineNr">298 </span>    result <span class="Special">&lt;-</span> or macro-found?
+<span id="L299" class="LineNr">299 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L300" class="LineNr">300 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L301" class="LineNr">301 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L302" class="LineNr">302 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *rest-ah
+<span id="L303" class="LineNr">303 </span>    <span class="Delimiter">{</span>
+<span id="L304" class="LineNr">304 </span>      <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> rest
+<span id="L305" class="LineNr">305 </span>      compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L306" class="LineNr">306 </span>    <span class="Delimiter">}</span>
+<span id="L307" class="LineNr">307 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L308" class="LineNr">308 </span>    curr-ah <span class="Special">&lt;-</span> get rest, left
+<span id="L309" class="LineNr">309 </span>    rest-ah <span class="Special">&lt;-</span> get rest, right
+<span id="L310" class="LineNr">310 </span>    <span class="PreProc">loop</span>
+<span id="L311" class="LineNr">311 </span>  <span class="Delimiter">}</span>
+<span id="L312" class="LineNr">312 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L313" class="Folded">313 </span><span class="Folded">+-- 15 lines: # trace &quot;=&gt; &quot; _expr-ah ----------------------------------------------------------------------------------------------------------------------------------------------------</span>
+<span id="L328" class="LineNr">328 </span>  <span class="PreProc">return</span> result
+<span id="L329" class="LineNr">329 </span><span class="Delimiter">}</span>
+<span id="L330" class="LineNr">330 </span>
+<span id="L331" class="LineNr">331 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L331'>look-for-double-unquote</a></span> _expr-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L332" class="LineNr">332 </span>  <span class="muComment"># if expr is a non-pair, return false</span>
+<span id="L333" class="LineNr">333 </span>  <span class="PreProc">var</span> expr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _expr-ah
+<span id="L334" class="LineNr">334 </span>  <span class="PreProc">var</span> expr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expr-ah
+<span id="L335" class="LineNr">335 </span>  <span class="Delimiter">{</span>
+<span id="L336" class="LineNr">336 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> expr
+<span id="L337" class="LineNr">337 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L338" class="LineNr">338 </span>    <span class="PreProc">break-if-=</span>
+<span id="L339" class="LineNr">339 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L340" class="LineNr">340 </span>  <span class="Delimiter">}</span>
+<span id="L341" class="LineNr">341 </span>  <span class="Delimiter">{</span>
+<span id="L342" class="LineNr">342 </span>    <span class="PreProc">var</span> expr-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get expr, <span class="PreProc">type</span>
+<span id="L343" class="LineNr">343 </span>    compare *expr-type, <span class="Constant">0</span>/pair
+<span id="L344" class="LineNr">344 </span>    <span class="PreProc">break-if-=</span>
+<span id="L345" class="LineNr">345 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L346" class="LineNr">346 </span>  <span class="Delimiter">}</span>
+<span id="L347" class="LineNr">347 </span>  <span class="PreProc">var</span> cdr-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, right
+<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> car-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get expr, left
+<span id="L349" class="LineNr">349 </span>  <span class="PreProc">var</span> <a href='evaluate.mu.html#L1130'>car</a>/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *car-ah
+<span id="L350" class="LineNr">350 </span>  <span class="muComment"># if car is unquote or unquote-splice, check if cadr is unquote or</span>
+<span id="L351" class="LineNr">351 </span>  <span class="muComment"># unquote-splice.</span>
+<span id="L352" class="LineNr">352 </span>  $look-for-double-unquote:<a href='../502test.mu.html#L19'>check</a>: <span class="Delimiter">{</span>
+<span id="L353" class="LineNr">353 </span>    <span class="muComment"># if car is not an unquote, break</span>
+<span id="L354" class="LineNr">354 </span>    <span class="Delimiter">{</span>
+<span id="L355" class="LineNr">355 </span>      <span class="Delimiter">{</span>
+<span id="L356" class="LineNr">356 </span>        <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> <a href='evaluate.mu.html#L1130'>car</a>, <span class="Constant">&quot;,&quot;</span>
+<span id="L357" class="LineNr">357 </span>        compare unquote?, <span class="Constant">0</span>/false
+<span id="L358" class="LineNr">358 </span>      <span class="Delimiter">}</span>
+<span id="L359" class="LineNr">359 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L360" class="LineNr">360 </span>      <span class="PreProc">var</span> unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> <a href='evaluate.mu.html#L1130'>car</a>, <span class="Constant">&quot;,@&quot;</span>
+<span id="L361" class="LineNr">361 </span>      compare unquote-splice?, <span class="Constant">0</span>/false
+<span id="L362" class="LineNr">362 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L363" class="LineNr">363 </span>      <span class="PreProc">break</span> $look-for-double-unquote:<a href='../502test.mu.html#L19'>check</a>
+<span id="L364" class="LineNr">364 </span>    <span class="Delimiter">}</span>
+<span id="L365" class="LineNr">365 </span>    <span class="muComment"># if cdr is not a pair, break</span>
+<span id="L366" class="LineNr">366 </span>    <span class="PreProc">var</span> <a href='evaluate.mu.html#L1158'>cdr</a>/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *cdr-ah
+<span id="L367" class="LineNr">367 </span>    <span class="PreProc">var</span> cdr-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get <a href='evaluate.mu.html#L1158'>cdr</a>, <span class="PreProc">type</span>
+<span id="L368" class="LineNr">368 </span>    compare *cdr-type, <span class="Constant">0</span>/pair
+<span id="L369" class="LineNr">369 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L370" class="LineNr">370 </span>    <span class="muComment"># if cadr is not an unquote, break</span>
+<span id="L371" class="LineNr">371 </span>    <span class="PreProc">var</span> cadr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get <a href='evaluate.mu.html#L1158'>cdr</a>, left
+<span id="L372" class="LineNr">372 </span>    <span class="PreProc">var</span> cadr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *cadr-ah
+<span id="L373" class="LineNr">373 </span>    <span class="Delimiter">{</span>
+<span id="L374" class="LineNr">374 </span>      <span class="Delimiter">{</span>
+<span id="L375" class="LineNr">375 </span>        <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> cadr, <span class="Constant">&quot;,&quot;</span>
+<span id="L376" class="LineNr">376 </span>        compare unquote?, <span class="Constant">0</span>/false
+<span id="L377" class="LineNr">377 </span>      <span class="Delimiter">}</span>
+<span id="L378" class="LineNr">378 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L379" class="LineNr">379 </span>      <span class="PreProc">var</span> unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> cadr, <span class="Constant">&quot;,@&quot;</span>
+<span id="L380" class="LineNr">380 </span>      compare unquote-splice?, <span class="Constant">0</span>/false
+<span id="L381" class="LineNr">381 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L382" class="LineNr">382 </span>      <span class="PreProc">break</span> $look-for-double-unquote:<a href='../502test.mu.html#L19'>check</a>
+<span id="L383" class="LineNr">383 </span>    <span class="Delimiter">}</span>
+<span id="L384" class="LineNr">384 </span>    <span class="muComment"># error</span>
+<span id="L385" class="LineNr">385 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L386" class="LineNr">386 </span>  <span class="Delimiter">}</span>
+<span id="L387" class="LineNr">387 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L331'>look-for-double-unquote</a> car-ah
+<span id="L388" class="LineNr">388 </span>  compare result, <span class="Constant">0</span>/false
+<span id="L389" class="LineNr">389 </span>  <span class="Delimiter">{</span>
+<span id="L390" class="LineNr">390 </span>    <span class="PreProc">break-if-=</span>
+<span id="L391" class="LineNr">391 </span>    <span class="PreProc">return</span> result
+<span id="L392" class="LineNr">392 </span>  <span class="Delimiter">}</span>
+<span id="L393" class="LineNr">393 </span>  result <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L331'>look-for-double-unquote</a> cdr-ah
+<span id="L394" class="LineNr">394 </span>  <span class="PreProc">return</span> result
+<span id="L395" class="LineNr">395 </span><span class="Delimiter">}</span>
+<span id="L396" class="LineNr">396 </span>
+<span id="L397" class="LineNr">397 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L397'>test-macroexpand</a></span> <span class="Delimiter">{</span>
+<span id="L398" class="LineNr">398 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L399" class="LineNr">399 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L400" class="LineNr">400 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L401" class="LineNr">401 </span>  <span class="muComment"># new macro: m</span>
+<span id="L402" class="LineNr">402 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L403" class="LineNr">403 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L404" class="LineNr">404 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
+<span id="L405" class="LineNr">405 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L406" class="LineNr">406 </span>  <span class="muComment"># invoke macro</span>
+<span id="L407" class="LineNr">407 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(m 3 4)&quot;</span>
+<span id="L408" class="LineNr">408 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L409" class="LineNr">409 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L410" class="LineNr">410 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L411" class="LineNr">411 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L412" class="LineNr">412 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L413" class="LineNr">413 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L414" class="LineNr">414 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L415" class="LineNr">415 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L416" class="LineNr">416 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L417" class="LineNr">417 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L418" class="LineNr">418 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - <a href='macroexpand.mu.html#L397'>test-macroexpand</a>/error&quot;</span>
+<span id="L419" class="LineNr">419 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
+<span id="L420" class="LineNr">420 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
+<span id="L421" class="LineNr">421 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
+<span id="L422" class="LineNr">422 </span>  <span class="muComment"># expected</span>
+<span id="L423" class="LineNr">423 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(+ 3 4)&quot;</span>
+<span id="L424" class="LineNr">424 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L425" class="LineNr">425 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
+<span id="L426" class="LineNr">426 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L427" class="LineNr">427 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
+<span id="L428" class="LineNr">428 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, trace
+<span id="L429" class="LineNr">429 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen expected-ah</span>
+<span id="L430" class="LineNr">430 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
+<span id="L431" class="LineNr">431 </span>  <span class="muComment">#</span>
+<span id="L432" class="LineNr">432 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> result, expected, trace
+<span id="L433" class="LineNr">433 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand&quot;</span>
+<span id="L434" class="LineNr">434 </span><span class="Delimiter">}</span>
+<span id="L435" class="LineNr">435 </span>
+<span id="L436" class="LineNr">436 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L436'>test-macroexpand-inside-anonymous-fn</a></span> <span class="muFunction">{</span>
+<span id="L437" class="LineNr">437 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L438" class="LineNr">438 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L439" class="LineNr">439 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L440" class="LineNr">440 </span>  <span class="muComment"># new macro: m</span>
+<span id="L441" class="LineNr">441 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L442" class="LineNr">442 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L443" class="LineNr">443 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
+<span id="L444" class="LineNr">444 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L445" class="LineNr">445 </span>  <span class="muComment"># invoke macro</span>
+<span id="L446" class="LineNr">446 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(fn() (m 3 4))&quot;</span>
+<span id="L447" class="LineNr">447 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L448" class="LineNr">448 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L449" class="LineNr">449 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L450" class="LineNr">450 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L451" class="LineNr">451 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L452" class="LineNr">452 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L453" class="LineNr">453 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L454" class="LineNr">454 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L455" class="LineNr">455 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L456" class="LineNr">456 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L457" class="LineNr">457 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - <a href='macroexpand.mu.html#L436'>test-macroexpand-inside-anonymous-fn</a>/error&quot;</span>
+<span id="L458" class="LineNr">458 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
+<span id="L459" class="LineNr">459 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
+<span id="L460" class="LineNr">460 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
+<span id="L461" class="LineNr">461 </span>  <span class="muComment"># expected</span>
+<span id="L462" class="LineNr">462 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(fn() (+ 3 4))&quot;</span>
+<span id="L463" class="LineNr">463 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L464" class="LineNr">464 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
+<span id="L465" class="LineNr">465 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L466" class="LineNr">466 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
+<span id="L467" class="LineNr">467 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, trace
+<span id="L468" class="LineNr">468 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
+<span id="L469" class="LineNr">469 </span>  <span class="muComment">#</span>
+<span id="L470" class="LineNr">470 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> result, expected, trace
+<span id="L471" class="LineNr">471 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-anonymous-fn&quot;</span>
+<span id="L472" class="LineNr">472 </span><span class="Delimiter">}</span>
+<span id="L473" class="LineNr">473 </span>
+<span id="L474" class="LineNr">474 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L474'>test-macroexpand-inside-fn-call</a></span> <span class="Delimiter">{</span>
+<span id="L475" class="LineNr">475 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L476" class="LineNr">476 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L477" class="LineNr">477 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L478" class="LineNr">478 </span>  <span class="muComment"># new macro: m</span>
+<span id="L479" class="LineNr">479 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L480" class="LineNr">480 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L481" class="LineNr">481 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
+<span id="L482" class="LineNr">482 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L483" class="LineNr">483 </span>  <span class="muComment"># invoke macro</span>
+<span id="L484" class="LineNr">484 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;((fn() (m 3 4)))&quot;</span>
+<span id="L485" class="LineNr">485 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L486" class="LineNr">486 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L487" class="LineNr">487 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L488" class="LineNr">488 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L489" class="LineNr">489 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L490" class="LineNr">490 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L491" class="LineNr">491 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L492" class="LineNr">492 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L493" class="LineNr">493 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L494" class="LineNr">494 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L495" class="LineNr">495 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - <a href='macroexpand.mu.html#L474'>test-macroexpand-inside-fn-call</a>/error&quot;</span>
+<span id="L496" class="LineNr">496 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
+<span id="L497" class="LineNr">497 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
+<span id="L498" class="LineNr">498 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
+<span id="L499" class="LineNr">499 </span>  <span class="muComment"># expected</span>
+<span id="L500" class="LineNr">500 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;((fn() (+ 3 4)))&quot;</span>
+<span id="L501" class="LineNr">501 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L502" class="LineNr">502 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
+<span id="L503" class="LineNr">503 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L504" class="LineNr">504 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
+<span id="L505" class="LineNr">505 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, trace
+<span id="L506" class="LineNr">506 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen expected-ah</span>
+<span id="L507" class="LineNr">507 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
+<span id="L508" class="LineNr">508 </span>  <span class="muComment">#</span>
+<span id="L509" class="LineNr">509 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> result, expected, trace
+<span id="L510" class="LineNr">510 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-fn-call&quot;</span>
+<span id="L511" class="LineNr">511 </span><span class="Delimiter">}</span>
+<span id="L512" class="LineNr">512 </span>
+<span id="L513" class="LineNr">513 </span><span class="PreProc">fn</span> <span class="muTest"><a href='macroexpand.mu.html#L513'>test-macroexpand-repeatedly-with-backquoted-arg</a></span> <span class="Delimiter">{</span>
+<span id="L514" class="LineNr">514 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L515" class="LineNr">515 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L516" class="LineNr">516 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L517" class="LineNr">517 </span>  <span class="muComment"># macroexpand an expression with a backquote but no macro</span>
+<span id="L518" class="LineNr">518 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L519" class="LineNr">519 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L520" class="LineNr">520 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(cons 1 `(3))&quot;</span>
+<span id="L521" class="LineNr">521 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L522" class="LineNr">522 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L523" class="LineNr">523 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L524" class="LineNr">524 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L525" class="LineNr">525 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L526" class="LineNr">526 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L527" class="LineNr">527 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L528" class="LineNr">528 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L529" class="LineNr">529 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L530" class="LineNr">530 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L531" class="LineNr">531 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - test-macroexpand-repeatedly-with-backquoted-arg&quot;</span>
+<span id="L532" class="LineNr">532 </span>  <span class="Delimiter">{</span>
+<span id="L533" class="LineNr">533 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L534" class="LineNr">534 </span>    <span class="PreProc">break-if-=</span>
+<span id="L535" class="LineNr">535 </span>    <span class="muComment"># we need space to display traces, so just stop rendering future tests on failure here</span>
+<span id="L536" class="LineNr">536 </span>    <a href='trace.mu.html#L369'>dump-trace</a> trace
+<span id="L537" class="LineNr">537 </span>    <span class="Delimiter">{</span>
+<span id="L538" class="LineNr">538 </span>      <span class="PreProc">loop</span>
+<span id="L539" class="LineNr">539 </span>    <span class="Delimiter">}</span>
+<span id="L540" class="LineNr">540 </span>  <span class="Delimiter">}</span>
+<span id="L541" class="LineNr">541 </span><span class="Delimiter">}</span>
+<span id="L542" class="LineNr">542 </span>
+<span id="L543" class="LineNr">543 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L543'>pending-test-macroexpand-inside-backquote-unquote</a></span> <span class="Delimiter">{</span>
+<span id="L544" class="LineNr">544 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L545" class="LineNr">545 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L546" class="LineNr">546 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L547" class="LineNr">547 </span>  <span class="muComment"># new macro: m</span>
+<span id="L548" class="LineNr">548 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L549" class="LineNr">549 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L550" class="LineNr">550 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
+<span id="L551" class="LineNr">551 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L552" class="LineNr">552 </span>  <span class="muComment"># invoke macro</span>
+<span id="L553" class="LineNr">553 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(print [result is ] ,(m 3 4)))&quot;</span>
+<span id="L554" class="LineNr">554 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L555" class="LineNr">555 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L556" class="LineNr">556 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L557" class="LineNr">557 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L558" class="LineNr">558 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L559" class="LineNr">559 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L560" class="LineNr">560 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L561" class="LineNr">561 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L562" class="LineNr">562 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L563" class="LineNr">563 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L564" class="LineNr">564 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - test-macroexpand-inside-backquote-unquote/error&quot;</span>
+<span id="L565" class="LineNr">565 </span><span class="CommentedCode">#?   dump-cell-from-cursor-over-full-screen result-ah</span>
+<span id="L566" class="LineNr">566 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
+<span id="L567" class="LineNr">567 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
+<span id="L568" class="LineNr">568 </span>  <span class="muComment"># expected</span>
+<span id="L569" class="LineNr">569 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(print [result is ] ,(+ 3 4)))&quot;</span>
+<span id="L570" class="LineNr">570 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L571" class="LineNr">571 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
+<span id="L572" class="LineNr">572 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L573" class="LineNr">573 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
+<span id="L574" class="LineNr">574 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, trace
+<span id="L575" class="LineNr">575 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
+<span id="L576" class="LineNr">576 </span>  <span class="muComment">#</span>
+<span id="L577" class="LineNr">577 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> result, expected, trace
+<span id="L578" class="LineNr">578 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-backquote-unquote&quot;</span>
+<span id="L579" class="LineNr">579 </span><span class="Delimiter">}</span>
+<span id="L580" class="LineNr">580 </span>
+<span id="L581" class="LineNr">581 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='macroexpand.mu.html#L581'>pending-test-macroexpand-inside-nested-backquote-unquote</a></span> <span class="Delimiter">{</span>
+<span id="L582" class="LineNr">582 </span>  <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L7'>global-table</a>
+<span id="L583" class="LineNr">583 </span>  <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Special">&lt;-</span> address globals-storage
+<span id="L584" class="LineNr">584 </span>  <a href='global.mu.html#L12'>initialize-globals</a> globals
+<span id="L585" class="LineNr">585 </span>  <span class="muComment"># new macro: m</span>
+<span id="L586" class="LineNr">586 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L587" class="LineNr">587 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L588" class="LineNr">588 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;(def m (litmac litfn () (a b) `(+ ,a ,b)))&quot;</span>
+<span id="L589" class="LineNr">589 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L590" class="LineNr">590 </span>  <span class="muComment"># invoke macro</span>
+<span id="L591" class="LineNr">591 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(a ,(m 3 4) `(b ,(m 3 4) ,,(m 3 4)))&quot;</span>
+<span id="L592" class="LineNr">592 </span>  <span class="PreProc">var</span> gap-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L593" class="LineNr">593 </span>  <span class="PreProc">var</span> gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *gap-ah
+<span id="L594" class="LineNr">594 </span>  <span class="PreProc">var</span> result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L595" class="LineNr">595 </span>  <span class="PreProc">var</span> result-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address result-h
+<span id="L596" class="LineNr">596 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L597" class="LineNr">597 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ecx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L598" class="LineNr">598 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L599" class="LineNr">599 </span>  <a href='read.mu.html#L1'>read-cell</a> gap, result-ah, trace
+<span id="L600" class="LineNr">600 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='macroexpand.mu.html#L46'>macroexpand-iter</a> result-ah, globals, trace
+<span id="L601" class="LineNr">601 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L602" class="LineNr">602 </span>  <a href='../502test.mu.html#L32'>check-not</a> error?, <span class="Constant">&quot;F - test-macroexpand-inside-nested-backquote-unquote/error&quot;</span>
+<span id="L603" class="LineNr">603 </span>  <a href='print.mu.html#L136'>dump-cell-from-cursor-over-full-screen</a> result-ah
+<span id="L604" class="LineNr">604 </span>  <span class="PreProc">var</span> _result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *result-ah
+<span id="L605" class="LineNr">605 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _result
+<span id="L606" class="LineNr">606 </span>  <span class="muComment"># expected</span>
+<span id="L607" class="LineNr">607 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;`(a ,(+ 3 4) `(b ,(m 3 4) ,,(+ 3 4)))&quot;</span>
+<span id="L608" class="LineNr">608 </span>  <span class="PreProc">var</span> expected-gap-ah/<span class="Constant">edx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L609" class="LineNr">609 </span>  <span class="PreProc">var</span> expected-gap/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-gap-ah
+<span id="L610" class="LineNr">610 </span>  <span class="PreProc">var</span> expected-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L611" class="LineNr">611 </span>  <span class="PreProc">var</span> expected-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address expected-h
+<span id="L612" class="LineNr">612 </span>  <a href='read.mu.html#L1'>read-cell</a> expected-gap, expected-ah, trace
+<span id="L613" class="LineNr">613 </span>  <a href='print.mu.html#L136'>dump-cell-from-cursor-over-full-screen</a> expected-ah
+<span id="L614" class="LineNr">614 </span>  <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *expected-ah
+<span id="L615" class="LineNr">615 </span>  <span class="muComment">#</span>
+<span id="L616" class="LineNr">616 </span>  <span class="PreProc">var</span> assertion/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='evaluate.mu.html#L1186'>cell-isomorphic?</a> result, expected, trace
+<span id="L617" class="LineNr">617 </span>  <a href='../502test.mu.html#L19'>check</a> assertion, <span class="Constant">&quot;F - test-macroexpand-inside-nested-backquote-unquote&quot;</span>
+<span id="L618" class="LineNr">618 </span><span class="Delimiter">}</span>
+<span id="L619" class="LineNr">619 </span>
+<span id="L620" class="LineNr">620 </span><span class="muComment"># TODO: unquote-splice, nested and unnested</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/main.mu.html b/html/shell/main.mu.html
index d606c1b5..f4ff8f02 100644
--- a/html/shell/main.mu.html
+++ b/html/shell/main.mu.html
@@ -67,7 +67,7 @@ if ('onhashchange' in window) {
 <span id="L8" class="LineNr">  8 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
 <span id="L9" class="LineNr">  9 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
 <span id="L10" class="LineNr"> 10 </span>  <a href='sandbox.mu.html#L12'>initialize-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">1</span>/with-screen
-<span id="L11" class="LineNr"> 11 </span>  <a href='main.mu.html#L76'>load-state</a> data-disk, <a href='sandbox.mu.html#L1'>sandbox</a>, globals
+<span id="L11" class="LineNr"> 11 </span>  <a href='main.mu.html#L79'>load-state</a> data-disk, <a href='sandbox.mu.html#L1'>sandbox</a>, globals
 <span id="L12" class="LineNr"> 12 </span>  $main:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
 <span id="L13" class="LineNr"> 13 </span>    <span class="muComment"># globals layout: 1 char padding, 41 code, 1 padding, 41 code, 1 padding =  85</span>
 <span id="L14" class="LineNr"> 14 </span>    <span class="muComment"># sandbox layout: 1 padding, 41 code, 1 padding                          =  43</span>
@@ -110,113 +110,122 @@ if ('onhashchange' in window) {
 <span id="L51" class="LineNr"> 51 </span>        tmp <span class="Special">&lt;-</span> address args
 <span id="L52" class="LineNr"> 52 </span>        <a href='cell.mu.html#L116'>new-pair</a> tmp, <a href='main.mu.html#L4'>main</a>, *tmp
 <span id="L53" class="LineNr"> 53 </span>        <span class="muComment"># clear real screen</span>
-<span id="L54" class="LineNr"> 54 </span>        <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L55" class="LineNr"> 55 </span>        <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L54" class="LineNr"> 54 </span>        <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L55" class="LineNr"> 55 </span>        <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
 <span id="L56" class="LineNr"> 56 </span>        <span class="muComment"># run</span>
 <span id="L57" class="LineNr"> 57 </span>        <span class="PreProc">var</span> out: (handle <a href='cell.mu.html#L1'>cell</a>)
 <span id="L58" class="LineNr"> 58 </span>        <span class="PreProc">var</span> out-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address out
-<span id="L59" class="LineNr"> 59 </span>        <a href='evaluate.mu.html#L5'>evaluate</a> tmp, out-ah, <a href='cell.mu.html#L121'>nil</a>, globals, <span class="Constant">0</span>/trace, <span class="Constant">0</span>/no-fake-screen, <span class="Constant">0</span>/no-fake-keyboard, <span class="Constant">0</span>/call-number
-<span id="L60" class="LineNr"> 60 </span>        <span class="Delimiter">{</span>
-<span id="L61" class="LineNr"> 61 </span>          <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> keyboard
-<span id="L62" class="LineNr"> 62 </span>          compare tmp, <span class="Constant">0</span>
-<span id="L63" class="LineNr"> 63 </span>          <span class="PreProc">loop-if-=</span>
-<span id="L64" class="LineNr"> 64 </span>        <span class="Delimiter">}</span>
-<span id="L65" class="LineNr"> 65 </span>        <span class="muComment">#</span>
-<span id="L66" class="LineNr"> 66 </span>        <span class="PreProc">loop</span> $main:<span class="PreProc">loop</span>
-<span id="L67" class="LineNr"> 67 </span>      <span class="Delimiter">}</span>
-<span id="L68" class="LineNr"> 68 </span>      <span class="muComment"># no way to quit right now; just reboot</span>
-<span id="L69" class="LineNr"> 69 </span>      <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/tweak-real-screen
-<span id="L70" class="LineNr"> 70 </span>    <span class="Delimiter">}</span>
-<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">loop</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Delimiter">}</span>
-<span id="L73" class="LineNr"> 73 </span><span class="Delimiter">}</span>
-<span id="L74" class="LineNr"> 74 </span>
-<span id="L75" class="LineNr"> 75 </span><span class="muComment"># Gotcha: some saved state may not load.</span>
-<span id="L76" class="LineNr"> 76 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L76'>load-state</a></span> data-disk: (addr disk), _sandbox: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
-<span id="L77" class="LineNr"> 77 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _sandbox
-<span id="L78" class="LineNr"> 78 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
-<span id="L79" class="LineNr"> 79 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L80" class="LineNr"> 80 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
-<span id="L81" class="LineNr"> 81 </span>  <span class="muComment"># data-disk -&gt; stream</span>
-<span id="L82" class="LineNr"> 82 </span>  <span class="PreProc">var</span> s-storage: (stream byte <span class="Constant">0x1000</span>)  <span class="muComment"># space for 8/sectors</span>
-<span id="L83" class="LineNr"> 83 </span>  <span class="PreProc">var</span> s/<span class="Constant">ebx</span>: (addr stream byte) <span class="Special">&lt;-</span> address s-storage
-<span id="L84" class="LineNr"> 84 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading sectors from data disk&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L85" class="LineNr"> 85 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
-<span id="L86" class="LineNr"> 86 </span>  <a href='../boot.subx.html#L946'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, s
-<span id="L87" class="LineNr"> 87 </span><span class="CommentedCode">#?   draw-stream-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, s, 7/fg, 0xc5/bg=blue-bg</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="muComment"># stream -&gt; gap-buffer</span>
-<span id="L89" class="LineNr"> 89 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;parsing&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L90" class="LineNr"> 90 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
-<span id="L91" class="LineNr"> 91 </span>  <a href='gap-buffer.mu.html#L52'>load-gap-buffer-from-stream</a> data, s
-<span id="L92" class="LineNr"> 92 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;  into gap buffer&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L59" class="LineNr"> 59 </span>        <span class="PreProc">var</span> trace-storage: trace
+<span id="L60" class="LineNr"> 60 </span>        <span class="PreProc">var</span> trace/<span class="Constant">ebx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L61" class="LineNr"> 61 </span>        <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L62" class="LineNr"> 62 </span>        <a href='evaluate.mu.html#L5'>evaluate</a> tmp, out-ah, <a href='cell.mu.html#L121'>nil</a>, globals, trace, <span class="Constant">0</span>/no-fake-screen, <span class="Constant">0</span>/no-fake-keyboard, <span class="Constant">0</span>/call-number
+<span id="L63" class="LineNr"> 63 </span>        <span class="Delimiter">{</span>
+<span id="L64" class="LineNr"> 64 </span>          <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> keyboard
+<span id="L65" class="LineNr"> 65 </span>          compare tmp, <span class="Constant">0</span>
+<span id="L66" class="LineNr"> 66 </span>          <span class="PreProc">loop-if-=</span>
+<span id="L67" class="LineNr"> 67 </span>        <span class="Delimiter">}</span>
+<span id="L68" class="LineNr"> 68 </span>        <span class="muComment">#</span>
+<span id="L69" class="LineNr"> 69 </span>        <span class="PreProc">loop</span> $main:<span class="PreProc">loop</span>
+<span id="L70" class="LineNr"> 70 </span>      <span class="Delimiter">}</span>
+<span id="L71" class="LineNr"> 71 </span>      <span class="muComment"># no way to quit right now; just reboot</span>
+<span id="L72" class="LineNr"> 72 </span>      <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/tweak-real-screen
+<span id="L73" class="LineNr"> 73 </span>    <span class="Delimiter">}</span>
+<span id="L74" class="LineNr"> 74 </span>    <span class="PreProc">loop</span>
+<span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">}</span>
+<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">}</span>
+<span id="L77" class="LineNr"> 77 </span>
+<span id="L78" class="LineNr"> 78 </span><span class="muComment"># Gotcha: some saved state may not load.</span>
+<span id="L79" class="LineNr"> 79 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L79'>load-state</a></span> data-disk: (addr disk), _sandbox: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _sandbox
+<span id="L81" class="LineNr"> 81 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L82" class="LineNr"> 82 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L83" class="LineNr"> 83 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
+<span id="L84" class="LineNr"> 84 </span>  <span class="muComment"># data-disk -&gt; stream</span>
+<span id="L85" class="LineNr"> 85 </span>  <span class="PreProc">var</span> s-storage: (stream byte <span class="Constant">0x1000</span>)  <span class="muComment"># space for 8/sectors</span>
+<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> s/<span class="Constant">ebx</span>: (addr stream byte) <span class="Special">&lt;-</span> address s-storage
+<span id="L87" class="LineNr"> 87 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading sectors from data disk&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L88" class="LineNr"> 88 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
+<span id="L89" class="LineNr"> 89 </span>  <a href='../boot.subx.html#L960'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, s
+<span id="L90" class="LineNr"> 90 </span><span class="CommentedCode">#?   draw-stream-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, s, 7/fg, 0xc5/bg=blue-bg</span>
+<span id="L91" class="LineNr"> 91 </span>  <span class="muComment"># stream -&gt; gap-buffer</span>
+<span id="L92" class="LineNr"> 92 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;parsing&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
 <span id="L93" class="LineNr"> 93 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
-<span id="L94" class="LineNr"> 94 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> s
-<span id="L95" class="LineNr"> 95 </span>  <span class="muComment"># read: gap-buffer -&gt; cell</span>
-<span id="L96" class="LineNr"> 96 </span>  <span class="PreProc">var</span> initial-root-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L97" class="LineNr"> 97 </span>  <span class="PreProc">var</span> initial-root/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address initial-root-storage
-<span id="L98" class="LineNr"> 98 </span>  <a href='read.mu.html#L1'>read-cell</a> data, initial-root, <span class="Constant">0</span>/no-trace
-<span id="L99" class="LineNr"> 99 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;  into s-expressions&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L100" class="LineNr">100 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
-<span id="L101" class="LineNr">101 </span>  <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> data
-<span id="L102" class="LineNr">102 </span>  <span class="muComment">#</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Delimiter">{</span>
-<span id="L104" class="LineNr">104 </span>    <span class="PreProc">var</span> initial-root-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *initial-root
-<span id="L105" class="LineNr">105 </span>    compare initial-root-addr, <span class="Constant">0</span>
-<span id="L106" class="LineNr">106 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L107" class="LineNr">107 </span>    <span class="PreProc">return</span>
-<span id="L108" class="LineNr">108 </span>  <span class="Delimiter">}</span>
-<span id="L109" class="LineNr">109 </span>  <span class="muComment"># load globals from assoc(initial-root, 'globals)</span>
-<span id="L110" class="LineNr">110 </span>  <span class="PreProc">var</span> globals-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L111" class="LineNr">111 </span>  <span class="PreProc">var</span> globals-literal-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address globals-literal-storage
-<span id="L112" class="LineNr">112 </span>  <a href='cell.mu.html#L39'>new-symbol</a> globals-literal-ah, <span class="Constant">&quot;globals&quot;</span>
-<span id="L113" class="LineNr">113 </span>  <span class="PreProc">var</span> globals-literal/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-literal-ah
-<span id="L114" class="LineNr">114 </span>  <span class="PreProc">var</span> globals-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L115" class="LineNr">115 </span>  <span class="PreProc">var</span> globals-cell-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address globals-cell-storage
-<span id="L116" class="LineNr">116 </span>  <a href='evaluate.mu.html#L691'>lookup-symbol</a> globals-literal, globals-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
-<span id="L117" class="LineNr">117 </span>  <span class="PreProc">var</span> globals-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-cell-ah
-<span id="L118" class="LineNr">118 </span>  <span class="Delimiter">{</span>
-<span id="L119" class="LineNr">119 </span>    compare globals-cell, <span class="Constant">0</span>
-<span id="L120" class="LineNr">120 </span>    <span class="PreProc">break-if-=</span>
-<span id="L121" class="LineNr">121 </span>    <a href='global.mu.html#L66'>load-globals</a> globals-cell-ah, globals
-<span id="L122" class="LineNr">122 </span>  <span class="Delimiter">}</span>
-<span id="L123" class="LineNr">123 </span>  <span class="muComment"># sandbox = assoc(initial-root, 'sandbox)</span>
-<span id="L124" class="LineNr">124 </span>  <a href='../501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading sandbox&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L125" class="LineNr">125 </span>  <span class="PreProc">var</span> sandbox-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L126" class="LineNr">126 </span>  <span class="PreProc">var</span> sandbox-literal-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sandbox-literal-storage
-<span id="L127" class="LineNr">127 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sandbox-literal-ah, <span class="Constant">&quot;sandbox&quot;</span>
-<span id="L128" class="LineNr">128 </span>  <span class="PreProc">var</span> sandbox-literal/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-literal-ah
-<span id="L129" class="LineNr">129 </span>  <span class="PreProc">var</span> sandbox-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L130" class="LineNr">130 </span>  <span class="PreProc">var</span> sandbox-cell-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sandbox-cell-storage
-<span id="L131" class="LineNr">131 </span>  <a href='evaluate.mu.html#L691'>lookup-symbol</a> sandbox-literal, sandbox-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
-<span id="L132" class="LineNr">132 </span>  <span class="PreProc">var</span> sandbox-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-cell-ah
-<span id="L133" class="LineNr">133 </span>  <span class="Delimiter">{</span>
-<span id="L134" class="LineNr">134 </span>    compare sandbox-cell, <span class="Constant">0</span>
-<span id="L135" class="LineNr">135 </span>    <span class="PreProc">break-if-=</span>
-<span id="L136" class="LineNr">136 </span>    <span class="muComment"># print: cell -&gt; stream</span>
-<span id="L137" class="LineNr">137 </span>    <a href='print.mu.html#L1'>print-cell</a> sandbox-cell-ah, s, <span class="Constant">0</span>/no-trace
-<span id="L138" class="LineNr">138 </span>    <span class="muComment"># stream -&gt; gap-buffer</span>
-<span id="L139" class="LineNr">139 </span>    <a href='gap-buffer.mu.html#L52'>load-gap-buffer-from-stream</a> data, s
-<span id="L140" class="LineNr">140 </span>  <span class="Delimiter">}</span>
-<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
-<span id="L142" class="LineNr">142 </span>
-<span id="L143" class="LineNr">143 </span><span class="muComment"># Save state as an alist of alists:</span>
-<span id="L144" class="LineNr">144 </span><span class="muComment">#   ((globals . ((a . (fn ...))</span>
-<span id="L145" class="LineNr">145 </span><span class="muComment">#                ...))</span>
-<span id="L146" class="LineNr">146 </span><span class="muComment">#    (sandbox . ...))</span>
-<span id="L147" class="LineNr">147 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L147'>store-state</a></span> data-disk: (addr disk), <a href='sandbox.mu.html#L1'>sandbox</a>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
-<span id="L148" class="LineNr">148 </span>  compare data-disk, <span class="Constant">0</span>/no-disk
-<span id="L149" class="LineNr">149 </span>  <span class="Delimiter">{</span>
-<span id="L150" class="LineNr">150 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L151" class="LineNr">151 </span>    <span class="PreProc">return</span>
-<span id="L152" class="LineNr">152 </span>  <span class="Delimiter">}</span>
-<span id="L153" class="LineNr">153 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x1000</span>)  <span class="muComment"># space enough for 8/sectors</span>
-<span id="L154" class="LineNr">154 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L155" class="LineNr">155 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;(\n&quot;</span>
-<span id="L156" class="LineNr">156 </span>  <a href='global.mu.html#L109'>write-globals</a> stream, globals
-<span id="L157" class="LineNr">157 </span>  <a href='sandbox.mu.html#L64'>write-sandbox</a> stream, <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L158" class="LineNr">158 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;)\n&quot;</span>
-<span id="L159" class="LineNr">159 </span>  <a href='../boot.subx.html#L1009'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, stream
-<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span>
+<span id="L94" class="LineNr"> 94 </span>  <a href='gap-buffer.mu.html#L52'>load-gap-buffer-from-stream</a> data, s
+<span id="L95" class="LineNr"> 95 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;  into gap buffer&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L96" class="LineNr"> 96 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
+<span id="L97" class="LineNr"> 97 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> s
+<span id="L98" class="LineNr"> 98 </span>  <span class="muComment"># read: gap-buffer -&gt; cell</span>
+<span id="L99" class="LineNr"> 99 </span>  <span class="PreProc">var</span> initial-root-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L100" class="LineNr">100 </span>  <span class="PreProc">var</span> initial-root/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address initial-root-storage
+<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L102" class="LineNr">102 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L103" class="LineNr">103 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L104" class="LineNr">104 </span>  <a href='read.mu.html#L1'>read-cell</a> data, initial-root, trace
+<span id="L105" class="LineNr">105 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;  into s-expressions&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L106" class="LineNr">106 </span>  <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
+<span id="L107" class="LineNr">107 </span>  <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> data
+<span id="L108" class="LineNr">108 </span>  <span class="muComment">#</span>
+<span id="L109" class="LineNr">109 </span>  <span class="Delimiter">{</span>
+<span id="L110" class="LineNr">110 </span>    <span class="PreProc">var</span> initial-root-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *initial-root
+<span id="L111" class="LineNr">111 </span>    compare initial-root-addr, <span class="Constant">0</span>
+<span id="L112" class="LineNr">112 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L113" class="LineNr">113 </span>    <span class="PreProc">return</span>
+<span id="L114" class="LineNr">114 </span>  <span class="Delimiter">}</span>
+<span id="L115" class="LineNr">115 </span>  <span class="muComment"># load globals from assoc(initial-root, 'globals)</span>
+<span id="L116" class="LineNr">116 </span>  <span class="PreProc">var</span> globals-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L117" class="LineNr">117 </span>  <span class="PreProc">var</span> globals-literal-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address globals-literal-storage
+<span id="L118" class="LineNr">118 </span>  <a href='cell.mu.html#L39'>new-symbol</a> globals-literal-ah, <span class="Constant">&quot;globals&quot;</span>
+<span id="L119" class="LineNr">119 </span>  <span class="PreProc">var</span> globals-literal/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-literal-ah
+<span id="L120" class="LineNr">120 </span>  <span class="PreProc">var</span> globals-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L121" class="LineNr">121 </span>  <span class="PreProc">var</span> globals-cell-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address globals-cell-storage
+<span id="L122" class="LineNr">122 </span>  <a href='trace.mu.html#L69'>clear-trace</a> trace
+<span id="L123" class="LineNr">123 </span>  <a href='evaluate.mu.html#L800'>lookup-symbol</a> globals-literal, globals-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
+<span id="L124" class="LineNr">124 </span>  <span class="PreProc">var</span> globals-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-cell-ah
+<span id="L125" class="LineNr">125 </span>  <span class="Delimiter">{</span>
+<span id="L126" class="LineNr">126 </span>    compare globals-cell, <span class="Constant">0</span>
+<span id="L127" class="LineNr">127 </span>    <span class="PreProc">break-if-=</span>
+<span id="L128" class="LineNr">128 </span>    <a href='global.mu.html#L66'>load-globals</a> globals-cell-ah, globals
+<span id="L129" class="LineNr">129 </span>  <span class="Delimiter">}</span>
+<span id="L130" class="LineNr">130 </span>  <span class="muComment"># sandbox = assoc(initial-root, 'sandbox)</span>
+<span id="L131" class="LineNr">131 </span>  <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;loading sandbox&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L132" class="LineNr">132 </span>  <span class="PreProc">var</span> sandbox-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L133" class="LineNr">133 </span>  <span class="PreProc">var</span> sandbox-literal-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sandbox-literal-storage
+<span id="L134" class="LineNr">134 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sandbox-literal-ah, <span class="Constant">&quot;sandbox&quot;</span>
+<span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> sandbox-literal/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-literal-ah
+<span id="L136" class="LineNr">136 </span>  <span class="PreProc">var</span> sandbox-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L137" class="LineNr">137 </span>  <span class="PreProc">var</span> sandbox-cell-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sandbox-cell-storage
+<span id="L138" class="LineNr">138 </span>  <a href='trace.mu.html#L69'>clear-trace</a> trace
+<span id="L139" class="LineNr">139 </span>  <a href='evaluate.mu.html#L800'>lookup-symbol</a> sandbox-literal, sandbox-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
+<span id="L140" class="LineNr">140 </span>  <span class="PreProc">var</span> sandbox-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-cell-ah
+<span id="L141" class="LineNr">141 </span>  <span class="Delimiter">{</span>
+<span id="L142" class="LineNr">142 </span>    compare sandbox-cell, <span class="Constant">0</span>
+<span id="L143" class="LineNr">143 </span>    <span class="PreProc">break-if-=</span>
+<span id="L144" class="LineNr">144 </span>    <span class="muComment"># print: cell -&gt; stream</span>
+<span id="L145" class="LineNr">145 </span>    <a href='trace.mu.html#L69'>clear-trace</a> trace
+<span id="L146" class="LineNr">146 </span>    <a href='print.mu.html#L7'>print-cell</a> sandbox-cell-ah, s, trace
+<span id="L147" class="LineNr">147 </span>    <span class="muComment"># stream -&gt; gap-buffer</span>
+<span id="L148" class="LineNr">148 </span>    <a href='gap-buffer.mu.html#L52'>load-gap-buffer-from-stream</a> data, s
+<span id="L149" class="LineNr">149 </span>  <span class="Delimiter">}</span>
+<span id="L150" class="LineNr">150 </span><span class="Delimiter">}</span>
+<span id="L151" class="LineNr">151 </span>
+<span id="L152" class="LineNr">152 </span><span class="muComment"># Save state as an alist of alists:</span>
+<span id="L153" class="LineNr">153 </span><span class="muComment">#   ((globals . ((a . (fn ...))</span>
+<span id="L154" class="LineNr">154 </span><span class="muComment">#                ...))</span>
+<span id="L155" class="LineNr">155 </span><span class="muComment">#    (sandbox . ...))</span>
+<span id="L156" class="LineNr">156 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L156'>store-state</a></span> data-disk: (addr disk), <a href='sandbox.mu.html#L1'>sandbox</a>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
+<span id="L157" class="LineNr">157 </span>  compare data-disk, <span class="Constant">0</span>/no-disk
+<span id="L158" class="LineNr">158 </span>  <span class="Delimiter">{</span>
+<span id="L159" class="LineNr">159 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L160" class="LineNr">160 </span>    <span class="PreProc">return</span>
+<span id="L161" class="LineNr">161 </span>  <span class="Delimiter">}</span>
+<span id="L162" class="LineNr">162 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x1000</span>)  <span class="muComment"># space enough for 8/sectors</span>
+<span id="L163" class="LineNr">163 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L164" class="LineNr">164 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;(\n&quot;</span>
+<span id="L165" class="LineNr">165 </span>  <a href='global.mu.html#L109'>write-globals</a> stream, globals
+<span id="L166" class="LineNr">166 </span>  <a href='sandbox.mu.html#L64'>write-sandbox</a> stream, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L167" class="LineNr">167 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;)\n&quot;</span>
+<span id="L168" class="LineNr">168 </span>  <a href='../boot.subx.html#L1023'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, stream
+<span id="L169" class="LineNr">169 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/parse.mu.html b/html/shell/parse.mu.html
index 8e01546d..d4f045c9 100644
--- a/html/shell/parse.mu.html
+++ b/html/shell/parse.mu.html
@@ -62,7 +62,7 @@ if ('onhashchange' in window) {
 <span id="L4" class="LineNr">  4 </span>  compare empty?, <span class="Constant">0</span>/false
 <span id="L5" class="LineNr">  5 </span>  <span class="Delimiter">{</span>
 <span id="L6" class="LineNr">  6 </span>    <span class="PreProc">break-if-=</span>
-<span id="L7" class="LineNr">  7 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;nothing to parse&quot;</span>
+<span id="L7" class="LineNr">  7 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;nothing to parse&quot;</span>
 <span id="L8" class="LineNr">  8 </span>    <span class="PreProc">return</span>
 <span id="L9" class="LineNr">  9 </span>  <span class="Delimiter">}</span>
 <span id="L10" class="LineNr"> 10 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
@@ -71,14 +71,14 @@ if ('onhashchange' in window) {
 <span id="L13" class="LineNr"> 13 </span>  <span class="Delimiter">{</span>
 <span id="L14" class="LineNr"> 14 </span>    compare close-paren?, <span class="Constant">0</span>/false
 <span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">break-if-=</span>
-<span id="L16" class="LineNr"> 16 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;')' is not a valid expression&quot;</span>
+<span id="L16" class="LineNr"> 16 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;')' is not a valid expression&quot;</span>
 <span id="L17" class="LineNr"> 17 </span>    <span class="PreProc">return</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">{</span>
 <span id="L20" class="LineNr"> 20 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> tokens
 <span id="L21" class="LineNr"> 21 </span>    compare empty?, <span class="Constant">0</span>/false
 <span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L23" class="LineNr"> 23 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;unexpected tokens at end; only type in a single expression at a time&quot;</span>
+<span id="L23" class="LineNr"> 23 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;unexpected tokens at end; only type in a single expression at a time&quot;</span>
 <span id="L24" class="LineNr"> 24 </span>  <span class="Delimiter">}</span>
 <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">}</span>
 <span id="L26" class="LineNr"> 26 </span>
@@ -86,263 +86,274 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr"> 28 </span><span class="muComment">#   unmatched close-paren encountered?</span>
 <span id="L29" class="LineNr"> 29 </span><span class="muComment">#   dot encountered? (only used internally by recursive calls)</span>
 <span id="L30" class="LineNr"> 30 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L30'>parse-sexpression</a></span> tokens: (addr stream <a href='cell.mu.html#L1'>cell</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean, _/<span class="Constant">ecx</span>: boolean <span class="Delimiter">{</span>
-<span id="L31" class="LineNr"> 31 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse&quot;</span>
-<span id="L32" class="LineNr"> 32 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
+<span id="L31" class="LineNr"> 31 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse&quot;</span>
+<span id="L32" class="LineNr"> 32 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
 <span id="L33" class="LineNr"> 33 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
 <span id="L34" class="LineNr"> 34 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
 <span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> tokens
 <span id="L36" class="LineNr"> 36 </span>  compare empty?, <span class="Constant">0</span>/false
 <span id="L37" class="LineNr"> 37 </span>  <span class="Delimiter">{</span>
 <span id="L38" class="LineNr"> 38 </span>    <span class="PreProc">break-if-=</span>
-<span id="L39" class="LineNr"> 39 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;end of stream; never found a balancing ')'&quot;</span>
-<span id="L40" class="LineNr"> 40 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
-<span id="L41" class="LineNr"> 41 </span>  <span class="Delimiter">}</span>
-<span id="L42" class="LineNr"> 42 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> tokens, curr-token
-<span id="L43" class="LineNr"> 43 </span>  $parse-sexpression:type-check: <span class="Delimiter">{</span>
-<span id="L44" class="LineNr"> 44 </span>    <span class="muComment"># single quote -&gt; parse as list with a special car</span>
-<span id="L45" class="LineNr"> 45 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L840'>quote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L840'>quote-token?</a> curr-token
-<span id="L46" class="LineNr"> 46 </span>    compare <a href='tokenize.mu.html#L840'>quote-token?</a>, <span class="Constant">0</span>/false
-<span id="L47" class="LineNr"> 47 </span>    <span class="Delimiter">{</span>
-<span id="L48" class="LineNr"> 48 </span>      <span class="PreProc">break-if-=</span>
-<span id="L49" class="LineNr"> 49 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L50" class="LineNr"> 50 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
-<span id="L51" class="LineNr"> 51 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L52" class="LineNr"> 52 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
-<span id="L53" class="LineNr"> 53 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;'&quot;</span>
-<span id="L54" class="LineNr"> 54 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
-<span id="L55" class="LineNr"> 55 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L56" class="LineNr"> 56 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L57" class="LineNr"> 57 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
-<span id="L58" class="LineNr"> 58 </span>      <span class="PreProc">return</span> close-paren?, dot?
-<span id="L59" class="LineNr"> 59 </span>    <span class="Delimiter">}</span>
-<span id="L60" class="LineNr"> 60 </span>    <span class="muComment"># backquote quote -&gt; parse as list with a special car</span>
-<span id="L61" class="LineNr"> 61 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L849'>backquote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L849'>backquote-token?</a> curr-token
-<span id="L62" class="LineNr"> 62 </span>    compare <a href='tokenize.mu.html#L849'>backquote-token?</a>, <span class="Constant">0</span>/false
-<span id="L63" class="LineNr"> 63 </span>    <span class="Delimiter">{</span>
-<span id="L64" class="LineNr"> 64 </span>      <span class="PreProc">break-if-=</span>
-<span id="L65" class="LineNr"> 65 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L66" class="LineNr"> 66 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
-<span id="L67" class="LineNr"> 67 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L68" class="LineNr"> 68 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
-<span id="L69" class="LineNr"> 69 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;`&quot;</span>
-<span id="L70" class="LineNr"> 70 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
-<span id="L71" class="LineNr"> 71 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L72" class="LineNr"> 72 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L73" class="LineNr"> 73 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
-<span id="L74" class="LineNr"> 74 </span>      <span class="PreProc">return</span> close-paren?, dot?
-<span id="L75" class="LineNr"> 75 </span>    <span class="Delimiter">}</span>
-<span id="L76" class="LineNr"> 76 </span>    <span class="muComment"># unquote -&gt; parse as list with a special car</span>
-<span id="L77" class="LineNr"> 77 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L858'>unquote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L858'>unquote-token?</a> curr-token
-<span id="L78" class="LineNr"> 78 </span>    compare <a href='tokenize.mu.html#L858'>unquote-token?</a>, <span class="Constant">0</span>/false
-<span id="L79" class="LineNr"> 79 </span>    <span class="Delimiter">{</span>
-<span id="L80" class="LineNr"> 80 </span>      <span class="PreProc">break-if-=</span>
-<span id="L81" class="LineNr"> 81 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L82" class="LineNr"> 82 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
-<span id="L83" class="LineNr"> 83 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L84" class="LineNr"> 84 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
-<span id="L85" class="LineNr"> 85 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;,&quot;</span>
-<span id="L86" class="LineNr"> 86 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
-<span id="L87" class="LineNr"> 87 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L88" class="LineNr"> 88 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L89" class="LineNr"> 89 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
-<span id="L90" class="LineNr"> 90 </span>      <span class="PreProc">return</span> close-paren?, dot?
-<span id="L91" class="LineNr"> 91 </span>    <span class="Delimiter">}</span>
-<span id="L92" class="LineNr"> 92 </span>    <span class="muComment"># unquote-splice -&gt; parse as list with a special car</span>
-<span id="L93" class="LineNr"> 93 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L867'>unquote-splice-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L867'>unquote-splice-token?</a> curr-token
-<span id="L94" class="LineNr"> 94 </span>    compare <a href='tokenize.mu.html#L867'>unquote-splice-token?</a>, <span class="Constant">0</span>/false
-<span id="L95" class="LineNr"> 95 </span>    <span class="Delimiter">{</span>
-<span id="L96" class="LineNr"> 96 </span>      <span class="PreProc">break-if-=</span>
-<span id="L97" class="LineNr"> 97 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L98" class="LineNr"> 98 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
-<span id="L99" class="LineNr"> 99 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L100" class="LineNr">100 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
-<span id="L101" class="LineNr">101 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;,@&quot;</span>
-<span id="L102" class="LineNr">102 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
-<span id="L103" class="LineNr">103 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L104" class="LineNr">104 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L105" class="LineNr">105 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
-<span id="L106" class="LineNr">106 </span>      <span class="PreProc">return</span> close-paren?, dot?
-<span id="L107" class="LineNr">107 </span>    <span class="Delimiter">}</span>
-<span id="L108" class="LineNr">108 </span>    <span class="muComment"># dot -&gt; return</span>
-<span id="L109" class="LineNr">109 </span>    <span class="PreProc">var</span> dot?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L908'>dot-token?</a> curr-token
-<span id="L110" class="LineNr">110 </span>    compare dot?, <span class="Constant">0</span>/false
-<span id="L111" class="LineNr">111 </span>    <span class="Delimiter">{</span>
-<span id="L112" class="LineNr">112 </span>      <span class="PreProc">break-if-=</span>
-<span id="L113" class="LineNr">113 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L114" class="LineNr">114 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">1</span>/true
-<span id="L115" class="LineNr">115 </span>    <span class="Delimiter">}</span>
-<span id="L116" class="LineNr">116 </span>    <span class="muComment"># not bracket -&gt; parse atom</span>
-<span id="L117" class="LineNr">117 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L823'>bracket-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L823'>bracket-token?</a> curr-token
-<span id="L118" class="LineNr">118 </span>    compare <a href='tokenize.mu.html#L823'>bracket-token?</a>, <span class="Constant">0</span>/false
-<span id="L119" class="LineNr">119 </span>    <span class="Delimiter">{</span>
-<span id="L120" class="LineNr">120 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L121" class="LineNr">121 </span>      <a href='parse.mu.html#L196'>parse-atom</a> curr-token, _out, trace
-<span id="L122" class="LineNr">122 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
-<span id="L123" class="LineNr">123 </span>    <span class="Delimiter">}</span>
-<span id="L124" class="LineNr">124 </span>    <span class="muComment"># open paren -&gt; parse list</span>
-<span id="L125" class="LineNr">125 </span>    <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L876'>open-paren-token?</a> curr-token
-<span id="L126" class="LineNr">126 </span>    compare open-paren?, <span class="Constant">0</span>/false
-<span id="L127" class="LineNr">127 </span>    <span class="Delimiter">{</span>
-<span id="L128" class="LineNr">128 </span>      <span class="PreProc">break-if-=</span>
-<span id="L129" class="LineNr">129 </span>      <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L130" class="LineNr">130 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> curr
-<span id="L131" class="LineNr">131 </span>      <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
-<span id="L132" class="LineNr">132 </span>      <span class="PreProc">var</span> left/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
-<span id="L133" class="LineNr">133 </span>      <span class="Delimiter">{</span>
-<span id="L134" class="LineNr">134 </span>        <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L135" class="LineNr">135 </span>        <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L136" class="LineNr">136 </span>        close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, left, trace
-<span id="L137" class="LineNr">137 </span>        <span class="Delimiter">{</span>
-<span id="L138" class="LineNr">138 </span>          compare dot?, <span class="Constant">0</span>/false
-<span id="L139" class="LineNr">139 </span>          <span class="PreProc">break-if-=</span>
-<span id="L140" class="LineNr">140 </span>          <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'.' cannot be at the start of a list&quot;</span>
-<span id="L141" class="LineNr">141 </span>          <span class="PreProc">return</span> <span class="Constant">1</span>/true, dot?
-<span id="L142" class="LineNr">142 </span>        <span class="Delimiter">}</span>
-<span id="L143" class="LineNr">143 </span>        compare close-paren?, <span class="Constant">0</span>/false
-<span id="L144" class="LineNr">144 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L145" class="LineNr">145 </span>        <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
-<span id="L146" class="LineNr">146 </span>        curr <span class="Special">&lt;-</span> get curr-addr, right
-<span id="L147" class="LineNr">147 </span>        <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L148" class="LineNr">148 </span>        <span class="PreProc">var</span> tmp/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L149" class="LineNr">149 </span>        $parse-sexpression:list-loop: <span class="Delimiter">{</span>
-<span id="L150" class="LineNr">150 </span>          <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L151" class="LineNr">151 </span>          <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L152" class="LineNr">152 </span>          close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, tmp, trace
-<span id="L153" class="LineNr">153 </span>          <span class="muComment"># '.' -&gt; clean up right here and return</span>
-<span id="L154" class="LineNr">154 </span>          compare dot?, <span class="Constant">0</span>/false
-<span id="L155" class="LineNr">155 </span>          <span class="Delimiter">{</span>
-<span id="L156" class="LineNr">156 </span>            <span class="PreProc">break-if-=</span>
-<span id="L157" class="LineNr">157 </span>            <a href='parse.mu.html#L254'>parse-dot-tail</a> tokens, curr, trace
-<span id="L158" class="LineNr">158 </span>            <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
-<span id="L159" class="LineNr">159 </span>          <span class="Delimiter">}</span>
-<span id="L160" class="LineNr">160 </span>          <a href='cell.mu.html#L102'>allocate-pair</a> curr
-<span id="L161" class="LineNr">161 </span>          <span class="muComment"># ')' -&gt; return</span>
-<span id="L162" class="LineNr">162 </span>          compare close-paren?, <span class="Constant">0</span>/false
-<span id="L163" class="LineNr">163 </span>          <span class="PreProc">break-if-!=</span>
-<span id="L164" class="LineNr">164 </span>          <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
-<span id="L165" class="LineNr">165 </span>          <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
-<span id="L166" class="LineNr">166 </span>          copy-object tmp, left
-<span id="L167" class="LineNr">167 </span>          <span class="muComment">#</span>
-<span id="L168" class="LineNr">168 </span>          curr <span class="Special">&lt;-</span> get curr-addr, right
-<span id="L169" class="LineNr">169 </span>          <span class="PreProc">loop</span>
-<span id="L170" class="LineNr">170 </span>        <span class="Delimiter">}</span>
-<span id="L171" class="LineNr">171 </span>      <span class="Delimiter">}</span>
-<span id="L172" class="LineNr">172 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
-<span id="L173" class="LineNr">173 </span>    <span class="Delimiter">}</span>
-<span id="L174" class="LineNr">174 </span>    <span class="muComment"># close paren -&gt; return</span>
-<span id="L175" class="LineNr">175 </span>    <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L892'>close-paren-token?</a> curr-token
-<span id="L176" class="LineNr">176 </span>    compare close-paren?, <span class="Constant">0</span>/false
-<span id="L177" class="LineNr">177 </span>    <span class="Delimiter">{</span>
-<span id="L178" class="LineNr">178 </span>      <span class="PreProc">break-if-=</span>
-<span id="L179" class="LineNr">179 </span>      <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L180" class="LineNr">180 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
-<span id="L181" class="LineNr">181 </span>    <span class="Delimiter">}</span>
-<span id="L182" class="LineNr">182 </span>    <span class="muComment"># otherwise abort</span>
-<span id="L183" class="LineNr">183 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
-<span id="L184" class="LineNr">184 </span>    <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L185" class="LineNr">185 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unexpected token &quot;</span>
-<span id="L186" class="LineNr">186 </span>    <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
-<span id="L187" class="LineNr">187 </span>    <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
-<span id="L188" class="LineNr">188 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
-<span id="L189" class="LineNr">189 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, curr-token-data
-<span id="L190" class="LineNr">190 </span>    trace trace, <span class="Constant">&quot;error&quot;</span>, stream
-<span id="L191" class="LineNr">191 </span>  <span class="Delimiter">}</span>
-<span id="L192" class="LineNr">192 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L193" class="LineNr">193 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
-<span id="L194" class="LineNr">194 </span><span class="Delimiter">}</span>
-<span id="L195" class="LineNr">195 </span>
-<span id="L196" class="LineNr">196 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L196'>parse-atom</a></span> _curr-token: (addr <a href='cell.mu.html#L1'>cell</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L197" class="LineNr">197 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse atom&quot;</span>
-<span id="L198" class="LineNr">198 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _curr-token
-<span id="L199" class="LineNr">199 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
-<span id="L200" class="LineNr">200 </span>  <span class="PreProc">var</span> _curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
-<span id="L201" class="LineNr">201 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _curr-token-data
-<span id="L202" class="LineNr">202 </span>  trace trace, <span class="Constant">&quot;parse&quot;</span>, curr-token-data
-<span id="L203" class="LineNr">203 </span>  <span class="muComment"># number</span>
-<span id="L204" class="LineNr">204 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L813'>number-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L813'>number-token?</a> curr-token
-<span id="L205" class="LineNr">205 </span>  compare <a href='tokenize.mu.html#L813'>number-token?</a>, <span class="Constant">0</span>/false
-<span id="L206" class="LineNr">206 </span>  <span class="Delimiter">{</span>
-<span id="L207" class="LineNr">207 </span>    <span class="PreProc">break-if-=</span>
-<span id="L208" class="LineNr">208 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
-<span id="L209" class="LineNr">209 </span>    <span class="PreProc">var</span> _val/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> curr-token-data
-<span id="L210" class="LineNr">210 </span>    <span class="PreProc">var</span> val/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _val
-<span id="L211" class="LineNr">211 </span>    <span class="PreProc">var</span> val-float/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert val
-<span id="L212" class="LineNr">212 </span>    <a href='cell.mu.html#L68'>allocate-number</a> _out
-<span id="L213" class="LineNr">213 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L214" class="LineNr">214 </span>    <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L215" class="LineNr">215 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr float) <span class="Special">&lt;-</span> get out-addr, number-data
-<span id="L216" class="LineNr">216 </span>    copy-to *dest, val-float
-<span id="L217" class="LineNr">217 </span>    <span class="Delimiter">{</span>
-<span id="L218" class="LineNr">218 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
-<span id="L219" class="LineNr">219 </span>      <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L220" class="LineNr">220 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; number &quot;</span>
-<span id="L221" class="LineNr">221 </span>      <a href='print.mu.html#L141'>print-number</a> out-addr, stream, <span class="Constant">0</span>/no-trace
-<span id="L222" class="LineNr">222 </span>      trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
-<span id="L223" class="LineNr">223 </span>    <span class="Delimiter">}</span>
-<span id="L224" class="LineNr">224 </span>    <span class="PreProc">return</span>
-<span id="L225" class="LineNr">225 </span>  <span class="Delimiter">}</span>
-<span id="L226" class="LineNr">226 </span>  <span class="muComment"># default: copy either to a symbol or a stream</span>
-<span id="L227" class="LineNr">227 </span>  <span class="muComment"># stream token -&gt; literal</span>
-<span id="L228" class="LineNr">228 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L933'>stream-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L933'>stream-token?</a> curr-token
-<span id="L229" class="LineNr">229 </span>  compare <a href='tokenize.mu.html#L933'>stream-token?</a>, <span class="Constant">0</span>/false
-<span id="L230" class="LineNr">230 </span>  <span class="Delimiter">{</span>
-<span id="L231" class="LineNr">231 </span>    <span class="PreProc">break-if-=</span>
-<span id="L232" class="LineNr">232 </span>    <a href='cell.mu.html#L58'>allocate-stream</a> _out
+<span id="L39" class="LineNr"> 39 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;end of stream; never found a balancing ')'&quot;</span>
+<span id="L40" class="LineNr"> 40 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L41" class="LineNr"> 41 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
+<span id="L42" class="LineNr"> 42 </span>  <span class="Delimiter">}</span>
+<span id="L43" class="LineNr"> 43 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> tokens, curr-token
+<span id="L44" class="LineNr"> 44 </span>  $parse-sexpression:type-check: <span class="Delimiter">{</span>
+<span id="L45" class="LineNr"> 45 </span>    <span class="muComment"># single quote -&gt; parse as list with a special car</span>
+<span id="L46" class="LineNr"> 46 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L868'>quote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L868'>quote-token?</a> curr-token
+<span id="L47" class="LineNr"> 47 </span>    compare <a href='tokenize.mu.html#L868'>quote-token?</a>, <span class="Constant">0</span>/false
+<span id="L48" class="LineNr"> 48 </span>    <span class="Delimiter">{</span>
+<span id="L49" class="LineNr"> 49 </span>      <span class="PreProc">break-if-=</span>
+<span id="L50" class="LineNr"> 50 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L51" class="LineNr"> 51 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
+<span id="L52" class="LineNr"> 52 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L53" class="LineNr"> 53 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
+<span id="L54" class="LineNr"> 54 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;'&quot;</span>
+<span id="L55" class="LineNr"> 55 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
+<span id="L56" class="LineNr"> 56 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L57" class="LineNr"> 57 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L58" class="LineNr"> 58 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
+<span id="L59" class="LineNr"> 59 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L60" class="LineNr"> 60 </span>      <span class="PreProc">return</span> close-paren?, dot?
+<span id="L61" class="LineNr"> 61 </span>    <span class="Delimiter">}</span>
+<span id="L62" class="LineNr"> 62 </span>    <span class="muComment"># backquote quote -&gt; parse as list with a special car</span>
+<span id="L63" class="LineNr"> 63 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L877'>backquote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L877'>backquote-token?</a> curr-token
+<span id="L64" class="LineNr"> 64 </span>    compare <a href='tokenize.mu.html#L877'>backquote-token?</a>, <span class="Constant">0</span>/false
+<span id="L65" class="LineNr"> 65 </span>    <span class="Delimiter">{</span>
+<span id="L66" class="LineNr"> 66 </span>      <span class="PreProc">break-if-=</span>
+<span id="L67" class="LineNr"> 67 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L68" class="LineNr"> 68 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
+<span id="L69" class="LineNr"> 69 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L70" class="LineNr"> 70 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
+<span id="L71" class="LineNr"> 71 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;`&quot;</span>
+<span id="L72" class="LineNr"> 72 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
+<span id="L73" class="LineNr"> 73 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L74" class="LineNr"> 74 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L75" class="LineNr"> 75 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
+<span id="L76" class="LineNr"> 76 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L77" class="LineNr"> 77 </span>      <span class="PreProc">return</span> close-paren?, dot?
+<span id="L78" class="LineNr"> 78 </span>    <span class="Delimiter">}</span>
+<span id="L79" class="LineNr"> 79 </span>    <span class="muComment"># unquote -&gt; parse as list with a special car</span>
+<span id="L80" class="LineNr"> 80 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L886'>unquote-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L886'>unquote-token?</a> curr-token
+<span id="L81" class="LineNr"> 81 </span>    compare <a href='tokenize.mu.html#L886'>unquote-token?</a>, <span class="Constant">0</span>/false
+<span id="L82" class="LineNr"> 82 </span>    <span class="Delimiter">{</span>
+<span id="L83" class="LineNr"> 83 </span>      <span class="PreProc">break-if-=</span>
+<span id="L84" class="LineNr"> 84 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L85" class="LineNr"> 85 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
+<span id="L86" class="LineNr"> 86 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L87" class="LineNr"> 87 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
+<span id="L88" class="LineNr"> 88 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;,&quot;</span>
+<span id="L89" class="LineNr"> 89 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
+<span id="L90" class="LineNr"> 90 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L91" class="LineNr"> 91 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L92" class="LineNr"> 92 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
+<span id="L93" class="LineNr"> 93 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L94" class="LineNr"> 94 </span>      <span class="PreProc">return</span> close-paren?, dot?
+<span id="L95" class="LineNr"> 95 </span>    <span class="Delimiter">}</span>
+<span id="L96" class="LineNr"> 96 </span>    <span class="muComment"># unquote-splice -&gt; parse as list with a special car</span>
+<span id="L97" class="LineNr"> 97 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L895'>unquote-splice-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L895'>unquote-splice-token?</a> curr-token
+<span id="L98" class="LineNr"> 98 </span>    compare <a href='tokenize.mu.html#L895'>unquote-splice-token?</a>, <span class="Constant">0</span>/false
+<span id="L99" class="LineNr"> 99 </span>    <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>      <span class="PreProc">break-if-=</span>
+<span id="L101" class="LineNr">101 </span>      <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L102" class="LineNr">102 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> out
+<span id="L103" class="LineNr">103 </span>      <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L104" class="LineNr">104 </span>      <span class="PreProc">var</span> left-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
+<span id="L105" class="LineNr">105 </span>      <a href='cell.mu.html#L39'>new-symbol</a> left-ah, <span class="Constant">&quot;,@&quot;</span>
+<span id="L106" class="LineNr">106 </span>      <span class="PreProc">var</span> right-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
+<span id="L107" class="LineNr">107 </span>      <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L108" class="LineNr">108 </span>      <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L109" class="LineNr">109 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, right-ah, trace
+<span id="L110" class="LineNr">110 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L111" class="LineNr">111 </span>      <span class="PreProc">return</span> close-paren?, dot?
+<span id="L112" class="LineNr">112 </span>    <span class="Delimiter">}</span>
+<span id="L113" class="LineNr">113 </span>    <span class="muComment"># dot -&gt; return</span>
+<span id="L114" class="LineNr">114 </span>    <span class="PreProc">var</span> dot?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L936'>dot-token?</a> curr-token
+<span id="L115" class="LineNr">115 </span>    compare dot?, <span class="Constant">0</span>/false
+<span id="L116" class="LineNr">116 </span>    <span class="Delimiter">{</span>
+<span id="L117" class="LineNr">117 </span>      <span class="PreProc">break-if-=</span>
+<span id="L118" class="LineNr">118 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L119" class="LineNr">119 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">1</span>/true
+<span id="L120" class="LineNr">120 </span>    <span class="Delimiter">}</span>
+<span id="L121" class="LineNr">121 </span>    <span class="muComment"># not bracket -&gt; parse atom</span>
+<span id="L122" class="LineNr">122 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L851'>bracket-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L851'>bracket-token?</a> curr-token
+<span id="L123" class="LineNr">123 </span>    compare <a href='tokenize.mu.html#L851'>bracket-token?</a>, <span class="Constant">0</span>/false
+<span id="L124" class="LineNr">124 </span>    <span class="Delimiter">{</span>
+<span id="L125" class="LineNr">125 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L126" class="LineNr">126 </span>      <a href='parse.mu.html#L201'>parse-atom</a> curr-token, _out, trace
+<span id="L127" class="LineNr">127 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
+<span id="L128" class="LineNr">128 </span>    <span class="Delimiter">}</span>
+<span id="L129" class="LineNr">129 </span>    <span class="muComment"># open paren -&gt; parse list</span>
+<span id="L130" class="LineNr">130 </span>    <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L904'>open-paren-token?</a> curr-token
+<span id="L131" class="LineNr">131 </span>    compare open-paren?, <span class="Constant">0</span>/false
+<span id="L132" class="LineNr">132 </span>    <span class="Delimiter">{</span>
+<span id="L133" class="LineNr">133 </span>      <span class="PreProc">break-if-=</span>
+<span id="L134" class="LineNr">134 </span>      <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L135" class="LineNr">135 </span>      <a href='cell.mu.html#L102'>allocate-pair</a> curr
+<span id="L136" class="LineNr">136 </span>      <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
+<span id="L137" class="LineNr">137 </span>      <span class="PreProc">var</span> left/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
+<span id="L138" class="LineNr">138 </span>      <span class="Delimiter">{</span>
+<span id="L139" class="LineNr">139 </span>        <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L140" class="LineNr">140 </span>        <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L141" class="LineNr">141 </span>        close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, left, trace
+<span id="L142" class="LineNr">142 </span>        <span class="Delimiter">{</span>
+<span id="L143" class="LineNr">143 </span>          compare dot?, <span class="Constant">0</span>/false
+<span id="L144" class="LineNr">144 </span>          <span class="PreProc">break-if-=</span>
+<span id="L145" class="LineNr">145 </span>          <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'.' cannot be at the start of a list&quot;</span>
+<span id="L146" class="LineNr">146 </span>          <span class="PreProc">return</span> <span class="Constant">1</span>/true, dot?
+<span id="L147" class="LineNr">147 </span>        <span class="Delimiter">}</span>
+<span id="L148" class="LineNr">148 </span>        compare close-paren?, <span class="Constant">0</span>/false
+<span id="L149" class="LineNr">149 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L150" class="LineNr">150 </span>        <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
+<span id="L151" class="LineNr">151 </span>        curr <span class="Special">&lt;-</span> get curr-addr, right
+<span id="L152" class="LineNr">152 </span>        <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L153" class="LineNr">153 </span>        <span class="PreProc">var</span> tmp/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L154" class="LineNr">154 </span>        $parse-sexpression:list-loop: <span class="Delimiter">{</span>
+<span id="L155" class="LineNr">155 </span>          <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L156" class="LineNr">156 </span>          <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L157" class="LineNr">157 </span>          close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, tmp, trace
+<span id="L158" class="LineNr">158 </span>          <span class="muComment"># '.' -&gt; clean up right here and return</span>
+<span id="L159" class="LineNr">159 </span>          compare dot?, <span class="Constant">0</span>/false
+<span id="L160" class="LineNr">160 </span>          <span class="Delimiter">{</span>
+<span id="L161" class="LineNr">161 </span>            <span class="PreProc">break-if-=</span>
+<span id="L162" class="LineNr">162 </span>            <a href='parse.mu.html#L265'>parse-dot-tail</a> tokens, curr, trace
+<span id="L163" class="LineNr">163 </span>            <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
+<span id="L164" class="LineNr">164 </span>          <span class="Delimiter">}</span>
+<span id="L165" class="LineNr">165 </span>          <a href='cell.mu.html#L102'>allocate-pair</a> curr
+<span id="L166" class="LineNr">166 </span>          <span class="muComment"># ')' -&gt; return</span>
+<span id="L167" class="LineNr">167 </span>          compare close-paren?, <span class="Constant">0</span>/false
+<span id="L168" class="LineNr">168 </span>          <span class="PreProc">break-if-!=</span>
+<span id="L169" class="LineNr">169 </span>          <span class="PreProc">var</span> curr-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr
+<span id="L170" class="LineNr">170 </span>          <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
+<span id="L171" class="LineNr">171 </span>          copy-object tmp, left
+<span id="L172" class="LineNr">172 </span>          <span class="muComment">#</span>
+<span id="L173" class="LineNr">173 </span>          curr <span class="Special">&lt;-</span> get curr-addr, right
+<span id="L174" class="LineNr">174 </span>          <span class="PreProc">loop</span>
+<span id="L175" class="LineNr">175 </span>        <span class="Delimiter">}</span>
+<span id="L176" class="LineNr">176 </span>      <span class="Delimiter">}</span>
+<span id="L177" class="LineNr">177 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
+<span id="L178" class="LineNr">178 </span>    <span class="Delimiter">}</span>
+<span id="L179" class="LineNr">179 </span>    <span class="muComment"># close paren -&gt; return</span>
+<span id="L180" class="LineNr">180 </span>    <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L920'>close-paren-token?</a> curr-token
+<span id="L181" class="LineNr">181 </span>    compare close-paren?, <span class="Constant">0</span>/false
+<span id="L182" class="LineNr">182 </span>    <span class="Delimiter">{</span>
+<span id="L183" class="LineNr">183 </span>      <span class="PreProc">break-if-=</span>
+<span id="L184" class="LineNr">184 </span>      <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L185" class="LineNr">185 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
+<span id="L186" class="LineNr">186 </span>    <span class="Delimiter">}</span>
+<span id="L187" class="LineNr">187 </span>    <span class="muComment"># otherwise abort</span>
+<span id="L188" class="LineNr">188 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
+<span id="L189" class="LineNr">189 </span>    <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L190" class="LineNr">190 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unexpected token &quot;</span>
+<span id="L191" class="LineNr">191 </span>    <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
+<span id="L192" class="LineNr">192 </span>    <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
+<span id="L193" class="LineNr">193 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
+<span id="L194" class="LineNr">194 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, curr-token-data
+<span id="L195" class="LineNr">195 </span>    <span class="Special"><a href='trace.mu.html#L200'>error-stream</a></span> trace, stream
+<span id="L196" class="LineNr">196 </span>  <span class="Delimiter">}</span>
+<span id="L197" class="LineNr">197 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L198" class="LineNr">198 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
+<span id="L199" class="LineNr">199 </span><span class="Delimiter">}</span>
+<span id="L200" class="LineNr">200 </span>
+<span id="L201" class="LineNr">201 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L201'>parse-atom</a></span> _curr-token: (addr <a href='cell.mu.html#L1'>cell</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L202" class="LineNr">202 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse atom&quot;</span>
+<span id="L203" class="LineNr">203 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _curr-token
+<span id="L204" class="LineNr">204 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
+<span id="L205" class="LineNr">205 </span>  <span class="PreProc">var</span> _curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
+<span id="L206" class="LineNr">206 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _curr-token-data
+<span id="L207" class="LineNr">207 </span>  trace trace, <span class="Constant">&quot;parse&quot;</span>, curr-token-data
+<span id="L208" class="LineNr">208 </span>  <span class="muComment"># number</span>
+<span id="L209" class="LineNr">209 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L841'>number-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L841'>number-token?</a> curr-token
+<span id="L210" class="LineNr">210 </span>  compare <a href='tokenize.mu.html#L841'>number-token?</a>, <span class="Constant">0</span>/false
+<span id="L211" class="LineNr">211 </span>  <span class="Delimiter">{</span>
+<span id="L212" class="LineNr">212 </span>    <span class="PreProc">break-if-=</span>
+<span id="L213" class="LineNr">213 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
+<span id="L214" class="LineNr">214 </span>    <span class="PreProc">var</span> _val/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> curr-token-data
+<span id="L215" class="LineNr">215 </span>    <span class="PreProc">var</span> val/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _val
+<span id="L216" class="LineNr">216 </span>    <span class="PreProc">var</span> val-float/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert val
+<span id="L217" class="LineNr">217 </span>    <a href='cell.mu.html#L68'>allocate-number</a> _out
+<span id="L218" class="LineNr">218 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L219" class="LineNr">219 </span>    <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L220" class="LineNr">220 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr float) <span class="Special">&lt;-</span> get out-addr, number-data
+<span id="L221" class="LineNr">221 </span>    copy-to *dest, val-float
+<span id="L222" class="LineNr">222 </span>    <span class="Delimiter">{</span>
+<span id="L223" class="LineNr">223 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
+<span id="L224" class="LineNr">224 </span>      <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L225" class="LineNr">225 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; number &quot;</span>
+<span id="L226" class="LineNr">226 </span>      <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L227" class="LineNr">227 </span>      <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L228" class="LineNr">228 </span>      <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L229" class="LineNr">229 </span>      <a href='print.mu.html#L209'>print-number</a> out-addr, stream, nested-trace
+<span id="L230" class="LineNr">230 </span>      trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
+<span id="L231" class="LineNr">231 </span>    <span class="Delimiter">}</span>
+<span id="L232" class="LineNr">232 </span>    <span class="PreProc">return</span>
 <span id="L233" class="LineNr">233 </span>  <span class="Delimiter">}</span>
-<span id="L234" class="LineNr">234 </span>  compare <a href='tokenize.mu.html#L933'>stream-token?</a>, <span class="Constant">0</span>/false
-<span id="L235" class="LineNr">235 </span>  <span class="Delimiter">{</span>
-<span id="L236" class="LineNr">236 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L237" class="LineNr">237 </span>    <a href='cell.mu.html#L21'>allocate-symbol</a> _out
-<span id="L238" class="LineNr">238 </span>  <span class="Delimiter">}</span>
-<span id="L239" class="LineNr">239 </span>  <span class="muComment"># copy token data</span>
-<span id="L240" class="LineNr">240 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L241" class="LineNr">241 </span>  <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L242" class="LineNr">242 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">ecx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
-<span id="L243" class="LineNr">243 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get out-addr, text-data
-<span id="L244" class="LineNr">244 </span>  copy-object curr-token-data-ah, dest-ah
-<span id="L245" class="LineNr">245 </span>  <span class="Delimiter">{</span>
-<span id="L246" class="LineNr">246 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
-<span id="L247" class="LineNr">247 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L248" class="LineNr">248 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; symbol &quot;</span>
-<span id="L249" class="LineNr">249 </span>    <a href='print.mu.html#L101'>print-symbol</a> out-addr, stream, <span class="Constant">0</span>/no-trace
-<span id="L250" class="LineNr">250 </span>    trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
-<span id="L251" class="LineNr">251 </span>  <span class="Delimiter">}</span>
-<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
-<span id="L253" class="LineNr">253 </span>
-<span id="L254" class="LineNr">254 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L254'>parse-dot-tail</a></span> tokens: (addr stream <a href='cell.mu.html#L1'>cell</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L255" class="LineNr">255 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L256" class="LineNr">256 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L257" class="LineNr">257 </span>  <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
-<span id="L258" class="LineNr">258 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, out, trace
-<span id="L259" class="LineNr">259 </span>  compare close-paren?, <span class="Constant">0</span>/false
-<span id="L260" class="LineNr">260 </span>  <span class="Delimiter">{</span>
-<span id="L261" class="LineNr">261 </span>    <span class="PreProc">break-if-=</span>
-<span id="L262" class="LineNr">262 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'. )' makes no sense&quot;</span>
-<span id="L263" class="LineNr">263 </span>    <span class="PreProc">return</span>
-<span id="L264" class="LineNr">264 </span>  <span class="Delimiter">}</span>
-<span id="L265" class="LineNr">265 </span>  compare dot?, <span class="Constant">0</span>/false
-<span id="L266" class="LineNr">266 </span>  <span class="Delimiter">{</span>
-<span id="L267" class="LineNr">267 </span>    <span class="PreProc">break-if-=</span>
-<span id="L268" class="LineNr">268 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;'. .' makes no sense&quot;</span>
-<span id="L269" class="LineNr">269 </span>    <span class="PreProc">return</span>
-<span id="L270" class="LineNr">270 </span>  <span class="Delimiter">}</span>
-<span id="L271" class="LineNr">271 </span>  <span class="muComment">#</span>
-<span id="L272" class="LineNr">272 </span>  <span class="PreProc">var</span> dummy: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L273" class="LineNr">273 </span>  <span class="PreProc">var</span> dummy-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address dummy
-<span id="L274" class="LineNr">274 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, dummy-ah, trace
-<span id="L275" class="LineNr">275 </span>  compare close-paren?, <span class="Constant">0</span>/false
-<span id="L276" class="LineNr">276 </span>  <span class="Delimiter">{</span>
-<span id="L277" class="LineNr">277 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L278" class="LineNr">278 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;cannot have multiple expressions between '.' and ')'&quot;</span>
-<span id="L279" class="LineNr">279 </span>    <span class="PreProc">return</span>
-<span id="L280" class="LineNr">280 </span>  <span class="Delimiter">}</span>
-<span id="L281" class="LineNr">281 </span>  compare dot?, <span class="Constant">0</span>/false
-<span id="L282" class="LineNr">282 </span>  <span class="Delimiter">{</span>
-<span id="L283" class="LineNr">283 </span>    <span class="PreProc">break-if-=</span>
-<span id="L284" class="LineNr">284 </span>    <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;cannot have two dots in a single list&quot;</span>
-<span id="L285" class="LineNr">285 </span>    <span class="PreProc">return</span>
-<span id="L286" class="LineNr">286 </span>  <span class="Delimiter">}</span>
-<span id="L287" class="LineNr">287 </span><span class="Delimiter">}</span>
+<span id="L234" class="LineNr">234 </span>  <span class="muComment"># default: copy either to a symbol or a stream</span>
+<span id="L235" class="LineNr">235 </span>  <span class="muComment"># stream token -&gt; literal</span>
+<span id="L236" class="LineNr">236 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L961'>stream-token?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L961'>stream-token?</a> curr-token
+<span id="L237" class="LineNr">237 </span>  compare <a href='tokenize.mu.html#L961'>stream-token?</a>, <span class="Constant">0</span>/false
+<span id="L238" class="LineNr">238 </span>  <span class="Delimiter">{</span>
+<span id="L239" class="LineNr">239 </span>    <span class="PreProc">break-if-=</span>
+<span id="L240" class="LineNr">240 </span>    <a href='cell.mu.html#L58'>allocate-stream</a> _out
+<span id="L241" class="LineNr">241 </span>  <span class="Delimiter">}</span>
+<span id="L242" class="LineNr">242 </span>  compare <a href='tokenize.mu.html#L961'>stream-token?</a>, <span class="Constant">0</span>/false
+<span id="L243" class="LineNr">243 </span>  <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L245" class="LineNr">245 </span>    <a href='cell.mu.html#L21'>allocate-symbol</a> _out
+<span id="L246" class="LineNr">246 </span>  <span class="Delimiter">}</span>
+<span id="L247" class="LineNr">247 </span>  <span class="muComment"># copy token data</span>
+<span id="L248" class="LineNr">248 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L249" class="LineNr">249 </span>  <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L250" class="LineNr">250 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">ecx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
+<span id="L251" class="LineNr">251 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get out-addr, text-data
+<span id="L252" class="LineNr">252 </span>  copy-object curr-token-data-ah, dest-ah
+<span id="L253" class="LineNr">253 </span>  <span class="Delimiter">{</span>
+<span id="L254" class="LineNr">254 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
+<span id="L255" class="LineNr">255 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L256" class="LineNr">256 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; symbol &quot;</span>
+<span id="L257" class="LineNr">257 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
+<span id="L258" class="LineNr">258 </span>    <span class="PreProc">var</span> nested-trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
+<span id="L259" class="LineNr">259 </span>    <a href='trace.mu.html#L50'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L260" class="LineNr">260 </span>    <a href='print.mu.html#L146'>print-symbol</a> out-addr, stream, nested-trace
+<span id="L261" class="LineNr">261 </span>    trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
+<span id="L262" class="LineNr">262 </span>  <span class="Delimiter">}</span>
+<span id="L263" class="LineNr">263 </span><span class="Delimiter">}</span>
+<span id="L264" class="LineNr">264 </span>
+<span id="L265" class="LineNr">265 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L265'>parse-dot-tail</a></span> tokens: (addr stream <a href='cell.mu.html#L1'>cell</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L266" class="LineNr">266 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L267" class="LineNr">267 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L268" class="LineNr">268 </span>  <span class="PreProc">var</span> dot?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
+<span id="L269" class="LineNr">269 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, out, trace
+<span id="L270" class="LineNr">270 </span>  compare close-paren?, <span class="Constant">0</span>/false
+<span id="L271" class="LineNr">271 </span>  <span class="Delimiter">{</span>
+<span id="L272" class="LineNr">272 </span>    <span class="PreProc">break-if-=</span>
+<span id="L273" class="LineNr">273 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'. )' makes no sense&quot;</span>
+<span id="L274" class="LineNr">274 </span>    <span class="PreProc">return</span>
+<span id="L275" class="LineNr">275 </span>  <span class="Delimiter">}</span>
+<span id="L276" class="LineNr">276 </span>  compare dot?, <span class="Constant">0</span>/false
+<span id="L277" class="LineNr">277 </span>  <span class="Delimiter">{</span>
+<span id="L278" class="LineNr">278 </span>    <span class="PreProc">break-if-=</span>
+<span id="L279" class="LineNr">279 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;'. .' makes no sense&quot;</span>
+<span id="L280" class="LineNr">280 </span>    <span class="PreProc">return</span>
+<span id="L281" class="LineNr">281 </span>  <span class="Delimiter">}</span>
+<span id="L282" class="LineNr">282 </span>  <span class="muComment">#</span>
+<span id="L283" class="LineNr">283 </span>  <span class="PreProc">var</span> dummy: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L284" class="LineNr">284 </span>  <span class="PreProc">var</span> dummy-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address dummy
+<span id="L285" class="LineNr">285 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L30'>parse-sexpression</a> tokens, dummy-ah, trace
+<span id="L286" class="LineNr">286 </span>  compare close-paren?, <span class="Constant">0</span>/false
+<span id="L287" class="LineNr">287 </span>  <span class="Delimiter">{</span>
+<span id="L288" class="LineNr">288 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L289" class="LineNr">289 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;cannot have multiple expressions between '.' and ')'&quot;</span>
+<span id="L290" class="LineNr">290 </span>    <span class="PreProc">return</span>
+<span id="L291" class="LineNr">291 </span>  <span class="Delimiter">}</span>
+<span id="L292" class="LineNr">292 </span>  compare dot?, <span class="Constant">0</span>/false
+<span id="L293" class="LineNr">293 </span>  <span class="Delimiter">{</span>
+<span id="L294" class="LineNr">294 </span>    <span class="PreProc">break-if-=</span>
+<span id="L295" class="LineNr">295 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;cannot have two dots in a single list&quot;</span>
+<span id="L296" class="LineNr">296 </span>    <span class="PreProc">return</span>
+<span id="L297" class="LineNr">297 </span>  <span class="Delimiter">}</span>
+<span id="L298" class="LineNr">298 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/print.mu.html b/html/shell/print.mu.html
index e880b03c..80f074e6 100644
--- a/html/shell/print.mu.html
+++ b/html/shell/print.mu.html
@@ -15,13 +15,13 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
 a { color:inherit; }
 * { font-size:12pt; font-size: 1em; }
 .PreProc { color: #c000c0; }
+.Special { color: #ff6060; }
 .LineNr { }
 .Constant { color: #008787; }
-.muComment { color: #005faf; }
 .Delimiter { color: #c000c0; }
 .muFunction { color: #af5f00; text-decoration: underline; }
 .muTest { color: #5f8700; }
-.Special { color: #ff6060; }
+.muComment { color: #005faf; }
 -->
 </style>
 
@@ -57,407 +57,597 @@ if ('onhashchange' in window) {
 <body onload='JumpToLine();'>
 <a href='https://github.com/akkartik/mu/blob/main/shell/print.mu'>https://github.com/akkartik/mu/blob/main/shell/print.mu</a>
 <pre id='vimCodeElement'>
-<span id="L1" class="LineNr">  1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L1'>print-cell</a></span> _in: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L2" class="LineNr">  2 </span>  <a href='../315stack-debug.subx.html#L5'>check-stack</a>
-<span id="L3" class="LineNr">  3 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;print&quot;</span>
-<span id="L4" class="LineNr">  4 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L5" class="LineNr">  5 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L6" class="LineNr">  6 </span>  <span class="PreProc">var</span> in-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in
-<span id="L7" class="LineNr">  7 </span>  <span class="Delimiter">{</span>
-<span id="L8" class="LineNr">  8 </span>    compare in-addr, <span class="Constant">0</span>
-<span id="L9" class="LineNr">  9 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L10" class="LineNr"> 10 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;NULL&quot;</span>
-<span id="L11" class="LineNr"> 11 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L12" class="LineNr"> 12 </span>    <span class="PreProc">return</span>
-<span id="L13" class="LineNr"> 13 </span>  <span class="Delimiter">}</span>
-<span id="L14" class="LineNr"> 14 </span>  <span class="Delimiter">{</span>
-<span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L236'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> in-addr
-<span id="L16" class="LineNr"> 16 </span>    compare <a href='print.mu.html#L236'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L17" class="LineNr"> 17 </span>    <span class="PreProc">break-if-=</span>
-<span id="L18" class="LineNr"> 18 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;()&quot;</span>
-<span id="L19" class="LineNr"> 19 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L20" class="LineNr"> 20 </span>    <span class="PreProc">return</span>
-<span id="L21" class="LineNr"> 21 </span>  <span class="Delimiter">}</span>
-<span id="L22" class="LineNr"> 22 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-addr, <span class="PreProc">type</span>
-<span id="L23" class="LineNr"> 23 </span>  compare *in-type, <span class="Constant">0</span>/pair
-<span id="L24" class="LineNr"> 24 </span>  <span class="Delimiter">{</span>
-<span id="L25" class="LineNr"> 25 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L26" class="LineNr"> 26 </span>    <a href='print.mu.html#L155'>print-pair</a> in-addr, out, trace
-<span id="L27" class="LineNr"> 27 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L28" class="LineNr"> 28 </span>    <span class="PreProc">return</span>
-<span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
-<span id="L30" class="LineNr"> 30 </span>  compare *in-type, <span class="Constant">1</span>/number
-<span id="L31" class="LineNr"> 31 </span>  <span class="Delimiter">{</span>
-<span id="L32" class="LineNr"> 32 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L33" class="LineNr"> 33 </span>    <a href='print.mu.html#L141'>print-number</a> in-addr, out, trace
-<span id="L34" class="LineNr"> 34 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L35" class="LineNr"> 35 </span>    <span class="PreProc">return</span>
-<span id="L36" class="LineNr"> 36 </span>  <span class="Delimiter">}</span>
-<span id="L37" class="LineNr"> 37 </span>  compare *in-type, <span class="Constant">2</span>/symbol
-<span id="L38" class="LineNr"> 38 </span>  <span class="Delimiter">{</span>
-<span id="L39" class="LineNr"> 39 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L40" class="LineNr"> 40 </span>    <a href='print.mu.html#L101'>print-symbol</a> in-addr, out, trace
-<span id="L41" class="LineNr"> 41 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L42" class="LineNr"> 42 </span>    <span class="PreProc">return</span>
-<span id="L43" class="LineNr"> 43 </span>  <span class="Delimiter">}</span>
-<span id="L44" class="LineNr"> 44 </span>  compare *in-type, <span class="Constant">3</span>/stream
-<span id="L45" class="LineNr"> 45 </span>  <span class="Delimiter">{</span>
-<span id="L46" class="LineNr"> 46 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L47" class="LineNr"> 47 </span>    <a href='print.mu.html#L120'>print-stream</a> in-addr, out, trace
-<span id="L48" class="LineNr"> 48 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L49" class="LineNr"> 49 </span>    <span class="PreProc">return</span>
-<span id="L50" class="LineNr"> 50 </span>  <span class="Delimiter">}</span>
-<span id="L51" class="LineNr"> 51 </span>  compare *in-type, <span class="Constant">4</span>/primitive
-<span id="L52" class="LineNr"> 52 </span>  <span class="Delimiter">{</span>
-<span id="L53" class="LineNr"> 53 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L54" class="LineNr"> 54 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[primitive]&quot;</span>
-<span id="L55" class="LineNr"> 55 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L56" class="LineNr"> 56 </span>    <span class="PreProc">return</span>
-<span id="L57" class="LineNr"> 57 </span>  <span class="Delimiter">}</span>
-<span id="L58" class="LineNr"> 58 </span>  compare *in-type, <span class="Constant">5</span>/screen
-<span id="L59" class="LineNr"> 59 </span>  <span class="Delimiter">{</span>
-<span id="L60" class="LineNr"> 60 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L61" class="LineNr"> 61 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[screen &quot;</span>
-<span id="L62" class="LineNr"> 62 </span>    <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get in-addr, screen-data
-<span id="L63" class="LineNr"> 63 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-ah
-<span id="L64" class="LineNr"> 64 </span>    <span class="PreProc">var</span> screen-addr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L65" class="LineNr"> 65 </span>    <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> out, screen-addr
-<span id="L66" class="LineNr"> 66 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
-<span id="L67" class="LineNr"> 67 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L68" class="LineNr"> 68 </span>    <span class="PreProc">return</span>
-<span id="L69" class="LineNr"> 69 </span>  <span class="Delimiter">}</span>
-<span id="L70" class="LineNr"> 70 </span>  compare *in-type, <span class="Constant">6</span>/keyboard
-<span id="L71" class="LineNr"> 71 </span>  <span class="Delimiter">{</span>
-<span id="L72" class="LineNr"> 72 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L73" class="LineNr"> 73 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[keyboard &quot;</span>
-<span id="L74" class="LineNr"> 74 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get in-addr, keyboard-data
-<span id="L75" class="LineNr"> 75 </span>    <span class="PreProc">var</span> keyboard/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-ah
-<span id="L76" class="LineNr"> 76 </span>    <span class="PreProc">var</span> keyboard-addr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy keyboard
-<span id="L77" class="LineNr"> 77 </span>    <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> out, keyboard-addr
-<span id="L78" class="LineNr"> 78 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
-<span id="L79" class="LineNr"> 79 </span>    <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L80" class="LineNr"> 80 </span>    <span class="PreProc">return</span>
-<span id="L81" class="LineNr"> 81 </span>  <span class="Delimiter">}</span>
-<span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
-<span id="L83" class="LineNr"> 83 </span>
-<span id="L84" class="LineNr"> 84 </span><span class="muComment"># debug helper</span>
-<span id="L85" class="LineNr"> 85 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L85'>dump-cell-at-top-right</a></span> in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
-<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x1000</span>)
-<span id="L87" class="LineNr"> 87 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L88" class="LineNr"> 88 </span>  <a href='print.mu.html#L1'>print-cell</a> in-ah, stream, <span class="Constant">0</span>/no-trace
-<span id="L89" class="LineNr"> 89 </span>  <span class="PreProc">var</span> d1/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L90" class="LineNr"> 90 </span>  <span class="PreProc">var</span> d2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L91" class="LineNr"> 91 </span>  d1, d2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L181'>draw-stream-wrapping-right-then-down</a> <span class="Constant">0</span>/screen, stream, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x80</span>/xmax, <span class="Constant">0x30</span>/ymax, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L92" class="LineNr"> 92 </span><span class="Delimiter">}</span>
-<span id="L93" class="LineNr"> 93 </span>
-<span id="L94" class="LineNr"> 94 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L94'>dump-cell-from-cursor-over-full-screen</a></span> in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x200</span>)
-<span id="L96" class="LineNr"> 96 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L97" class="LineNr"> 97 </span>  <a href='print.mu.html#L1'>print-cell</a> in-ah, stream, <span class="Constant">0</span>/no-trace
-<span id="L98" class="LineNr"> 98 </span>  <a href='../501draw-text.mu.html#L214'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, stream, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">}</span>
-<span id="L100" class="LineNr">100 </span>
-<span id="L101" class="LineNr">101 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L101'>print-symbol</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L102" class="LineNr">102 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;symbol&quot;</span>
-<span id="L103" class="LineNr">103 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L104" class="LineNr">104 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L105" class="LineNr">105 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _data
-<span id="L107" class="LineNr">107 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
-<span id="L108" class="LineNr">108 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> out, data
-<span id="L109" class="LineNr">109 </span>  <span class="muComment"># trace</span>
-<span id="L110" class="LineNr">110 </span>  compare trace, <span class="Constant">0</span>
-<span id="L111" class="LineNr">111 </span>  <span class="PreProc">break-if-=</span>
-<span id="L112" class="LineNr">112 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
-<span id="L113" class="LineNr">113 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L114" class="LineNr">114 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L115" class="LineNr">115 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; symbol &quot;</span>
-<span id="L116" class="LineNr">116 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, data
-<span id="L117" class="LineNr">117 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
-<span id="L118" class="LineNr">118 </span><span class="Delimiter">}</span>
-<span id="L119" class="LineNr">119 </span>
-<span id="L120" class="LineNr">120 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L120'>print-stream</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L121" class="LineNr">121 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
-<span id="L122" class="LineNr">122 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L123" class="LineNr">123 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L124" class="LineNr">124 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L125" class="LineNr">125 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _data
-<span id="L126" class="LineNr">126 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
-<span id="L127" class="LineNr">127 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[&quot;</span>
-<span id="L128" class="LineNr">128 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> out, data
-<span id="L129" class="LineNr">129 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
-<span id="L130" class="LineNr">130 </span>  <span class="muComment"># trace</span>
-<span id="L131" class="LineNr">131 </span>  compare trace, <span class="Constant">0</span>
-<span id="L132" class="LineNr">132 </span>  <span class="PreProc">break-if-=</span>
-<span id="L133" class="LineNr">133 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
-<span id="L134" class="LineNr">134 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L136" class="LineNr">136 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; stream &quot;</span>
-<span id="L137" class="LineNr">137 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, data
-<span id="L138" class="LineNr">138 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
-<span id="L139" class="LineNr">139 </span><span class="Delimiter">}</span>
-<span id="L140" class="LineNr">140 </span>
-<span id="L141" class="LineNr">141 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L141'>print-number</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L142" class="LineNr">142 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L143" class="LineNr">143 </span>  <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get in, number-data
-<span id="L144" class="LineNr">144 </span>  <a href='../412render-float-decimal.mu.html#L163'>write-float-decimal-approximate</a> out, *val, <span class="Constant">3</span>/precision
-<span id="L145" class="LineNr">145 </span>  <span class="muComment"># trace</span>
-<span id="L146" class="LineNr">146 </span>  compare trace, <span class="Constant">0</span>
-<span id="L147" class="LineNr">147 </span>  <span class="PreProc">break-if-=</span>
-<span id="L148" class="LineNr">148 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L149" class="LineNr">149 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L150" class="LineNr">150 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; number &quot;</span>
-<span id="L151" class="LineNr">151 </span>  <a href='../412render-float-decimal.mu.html#L163'>write-float-decimal-approximate</a> stream, *val, <span class="Constant">3</span>/precision
-<span id="L152" class="LineNr">152 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
-<span id="L153" class="LineNr">153 </span><span class="Delimiter">}</span>
-<span id="L154" class="LineNr">154 </span>
-<span id="L155" class="LineNr">155 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L155'>print-pair</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L156" class="LineNr">156 </span>  <span class="muComment"># if in starts with a quote, print the quote outside the expression</span>
-<span id="L157" class="LineNr">157 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L158" class="LineNr">158 </span>  <span class="PreProc">var</span> left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L159" class="LineNr">159 </span>  <span class="PreProc">var</span> _left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *left-ah
-<span id="L160" class="LineNr">160 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _left
-<span id="L161" class="LineNr">161 </span>  <span class="PreProc">var</span> is-quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;'&quot;</span>
-<span id="L162" class="LineNr">162 </span>  compare is-quote?, <span class="Constant">0</span>/false
-<span id="L163" class="LineNr">163 </span>  <span class="Delimiter">{</span>
-<span id="L164" class="LineNr">164 </span>    <span class="PreProc">break-if-=</span>
-<span id="L165" class="LineNr">165 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;'&quot;</span>
-<span id="L166" class="LineNr">166 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L167" class="LineNr">167 </span>    <a href='print.mu.html#L1'>print-cell</a> right-ah, out, trace
-<span id="L168" class="LineNr">168 </span>    <span class="PreProc">return</span>
-<span id="L169" class="LineNr">169 </span>  <span class="Delimiter">}</span>
-<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> is-backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;`&quot;</span>
-<span id="L171" class="LineNr">171 </span>  compare is-backquote?, <span class="Constant">0</span>/false
-<span id="L172" class="LineNr">172 </span>  <span class="Delimiter">{</span>
-<span id="L173" class="LineNr">173 </span>    <span class="PreProc">break-if-=</span>
-<span id="L174" class="LineNr">174 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;`&quot;</span>
-<span id="L175" class="LineNr">175 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L176" class="LineNr">176 </span>    <a href='print.mu.html#L1'>print-cell</a> right-ah, out, trace
-<span id="L177" class="LineNr">177 </span>    <span class="PreProc">return</span>
-<span id="L178" class="LineNr">178 </span>  <span class="Delimiter">}</span>
-<span id="L179" class="LineNr">179 </span>  <span class="PreProc">var</span> is-unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;,&quot;</span>
-<span id="L180" class="LineNr">180 </span>  compare is-unquote?, <span class="Constant">0</span>/false
-<span id="L181" class="LineNr">181 </span>  <span class="Delimiter">{</span>
-<span id="L182" class="LineNr">182 </span>    <span class="PreProc">break-if-=</span>
-<span id="L183" class="LineNr">183 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;,&quot;</span>
-<span id="L184" class="LineNr">184 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L185" class="LineNr">185 </span>    <a href='print.mu.html#L1'>print-cell</a> right-ah, out, trace
-<span id="L186" class="LineNr">186 </span>    <span class="PreProc">return</span>
-<span id="L187" class="LineNr">187 </span>  <span class="Delimiter">}</span>
-<span id="L188" class="LineNr">188 </span>  <span class="PreProc">var</span> is-unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;,@&quot;</span>
-<span id="L189" class="LineNr">189 </span>  compare is-unquote-splice?, <span class="Constant">0</span>/false
-<span id="L190" class="LineNr">190 </span>  <span class="Delimiter">{</span>
-<span id="L191" class="LineNr">191 </span>    <span class="PreProc">break-if-=</span>
-<span id="L192" class="LineNr">192 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;,@&quot;</span>
-<span id="L193" class="LineNr">193 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L194" class="LineNr">194 </span>    <a href='print.mu.html#L1'>print-cell</a> right-ah, out, trace
-<span id="L195" class="LineNr">195 </span>    <span class="PreProc">return</span>
-<span id="L196" class="LineNr">196 </span>  <span class="Delimiter">}</span>
-<span id="L197" class="LineNr">197 </span>  <span class="muComment">#</span>
-<span id="L198" class="LineNr">198 </span>  <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L199" class="LineNr">199 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;(&quot;</span>
-<span id="L200" class="LineNr">200 </span>  $print-pair:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L201" class="LineNr">201 </span>    <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
-<span id="L202" class="LineNr">202 </span>    <a href='print.mu.html#L1'>print-cell</a> left, out, trace
-<span id="L203" class="LineNr">203 </span>    <span class="PreProc">var</span> right/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
-<span id="L204" class="LineNr">204 </span>    <span class="PreProc">var</span> right-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right
-<span id="L205" class="LineNr">205 </span>    <span class="Delimiter">{</span>
-<span id="L206" class="LineNr">206 </span>      compare right-addr, <span class="Constant">0</span>
-<span id="L207" class="LineNr">207 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L208" class="LineNr">208 </span>      <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null encountered&quot;</span>
-<span id="L209" class="LineNr">209 </span>    <span class="Delimiter">}</span>
-<span id="L210" class="LineNr">210 </span>    <span class="Delimiter">{</span>
-<span id="L211" class="LineNr">211 </span>      <span class="PreProc">var</span> right-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L236'>nil?</a> right-addr
-<span id="L212" class="LineNr">212 </span>      compare right-nil?, <span class="Constant">0</span>/false
-<span id="L213" class="LineNr">213 </span>      <span class="Delimiter">{</span>
-<span id="L214" class="LineNr">214 </span>        <span class="PreProc">break-if-=</span>
-<span id="L215" class="LineNr">215 </span>        <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;right is nil&quot;</span>
-<span id="L216" class="LineNr">216 </span>        <span class="PreProc">break</span> $print-pair:<span class="PreProc">loop</span>
-<span id="L217" class="LineNr">217 </span>      <span class="Delimiter">}</span>
-<span id="L218" class="LineNr">218 </span>    <span class="Delimiter">}</span>
-<span id="L219" class="LineNr">219 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot; &quot;</span>
-<span id="L220" class="LineNr">220 </span>    <span class="PreProc">var</span> right-type-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get right-addr, <span class="PreProc">type</span>
-<span id="L221" class="LineNr">221 </span>    <span class="Delimiter">{</span>
-<span id="L222" class="LineNr">222 </span>      compare *right-type-addr, <span class="Constant">0</span>/pair
-<span id="L223" class="LineNr">223 </span>      <span class="PreProc">break-if-=</span>
-<span id="L224" class="LineNr">224 </span>      <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;. &quot;</span>
-<span id="L225" class="LineNr">225 </span>      <a href='print.mu.html#L1'>print-cell</a> right, out, trace
-<span id="L226" class="LineNr">226 </span>      <span class="PreProc">break</span> $print-pair:<span class="PreProc">loop</span>
-<span id="L227" class="LineNr">227 </span>    <span class="Delimiter">}</span>
-<span id="L228" class="LineNr">228 </span>    curr <span class="Special">&lt;-</span> copy right-addr
-<span id="L229" class="LineNr">229 </span>    <span class="PreProc">loop</span>
-<span id="L230" class="LineNr">230 </span>  <span class="Delimiter">}</span>
-<span id="L231" class="LineNr">231 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;)&quot;</span>
-<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span>
-<span id="L233" class="LineNr">233 </span>
-<span id="L234" class="LineNr">234 </span><span class="muComment"># Most lisps intern nil, but we don't really have globals yet, so we'll be</span>
-<span id="L235" class="LineNr">235 </span><span class="muComment"># less efficient for now.</span>
-<span id="L236" class="LineNr">236 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L236'>nil?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1" class="LineNr">  1 </span><span class="muComment"># Scenario:</span>
+<span id="L2" class="LineNr">  2 </span><span class="muComment">#   print-cell can be used for printing into a trace</span>
+<span id="L3" class="LineNr">  3 </span><span class="muComment">#   traces can run out of space</span>
+<span id="L4" class="LineNr">  4 </span><span class="muComment">#   therefore, we need to gracefully handle insufficient space in 'out'</span>
+<span id="L5" class="LineNr">  5 </span><span class="muComment">#     if we're printing something 3 bytes or less, just make sure it doesn't crash</span>
+<span id="L6" class="LineNr">  6 </span><span class="muComment">#     if we're printing something longer than 3 bytes, try to fall back to ellipses (which are 3 bytes)</span>
+<span id="L7" class="LineNr">  7 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L7'>print-cell</a></span> _in: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L8" class="LineNr">  8 </span>  <a href='../315stack-debug.subx.html#L5'>check-stack</a>
+<span id="L9" class="LineNr">  9 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;print&quot;</span>
+<span id="L10" class="LineNr"> 10 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L11" class="LineNr"> 11 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L12" class="LineNr"> 12 </span>  <span class="PreProc">var</span> in-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in
+<span id="L13" class="LineNr"> 13 </span>  <span class="Delimiter">{</span>
+<span id="L14" class="LineNr"> 14 </span>    compare in-addr, <span class="Constant">0</span>
+<span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L16" class="LineNr"> 16 </span>    <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;NULL&quot;</span>
+<span id="L17" class="LineNr"> 17 </span>    compare overflow?, <span class="Constant">0</span>/false
+<span id="L18" class="LineNr"> 18 </span>    <span class="Delimiter">{</span>
+<span id="L19" class="LineNr"> 19 </span>      <span class="PreProc">break-if-=</span>
+<span id="L20" class="LineNr"> 20 </span>      overflow? <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L21" class="LineNr"> 21 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-cell: no space for 'NULL'&quot;</span>
+<span id="L22" class="LineNr"> 22 </span>    <span class="Delimiter">}</span>
+<span id="L23" class="LineNr"> 23 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L24" class="LineNr"> 24 </span>    <span class="PreProc">return</span>
+<span id="L25" class="LineNr"> 25 </span>  <span class="Delimiter">}</span>
+<span id="L26" class="LineNr"> 26 </span>  <span class="Delimiter">{</span>
+<span id="L27" class="LineNr"> 27 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L347'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> in-addr
+<span id="L28" class="LineNr"> 28 </span>    compare <a href='print.mu.html#L347'>nil?</a>, <span class="Constant">0</span>/false
+<span id="L29" class="LineNr"> 29 </span>    <span class="PreProc">break-if-=</span>
+<span id="L30" class="LineNr"> 30 </span>    <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;()&quot;</span>
+<span id="L31" class="LineNr"> 31 </span>    compare overflow?, <span class="Constant">0</span>/false
+<span id="L32" class="LineNr"> 32 </span>    <span class="Delimiter">{</span>
+<span id="L33" class="LineNr"> 33 </span>      <span class="PreProc">break-if-=</span>
+<span id="L34" class="LineNr"> 34 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-cell: no space for '()'&quot;</span>
+<span id="L35" class="LineNr"> 35 </span>    <span class="Delimiter">}</span>
+<span id="L36" class="LineNr"> 36 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L37" class="LineNr"> 37 </span>    <span class="PreProc">return</span>
+<span id="L38" class="LineNr"> 38 </span>  <span class="Delimiter">}</span>
+<span id="L39" class="LineNr"> 39 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-addr, <span class="PreProc">type</span>
+<span id="L40" class="LineNr"> 40 </span>  compare *in-type, <span class="Constant">0</span>/pair
+<span id="L41" class="LineNr"> 41 </span>  <span class="Delimiter">{</span>
+<span id="L42" class="LineNr"> 42 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L43" class="LineNr"> 43 </span>    <a href='print.mu.html#L235'>print-pair</a> in-addr, out, trace
+<span id="L44" class="LineNr"> 44 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L45" class="LineNr"> 45 </span>    <span class="PreProc">return</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="Delimiter">}</span>
+<span id="L47" class="LineNr"> 47 </span>  compare *in-type, <span class="Constant">1</span>/number
+<span id="L48" class="LineNr"> 48 </span>  <span class="Delimiter">{</span>
+<span id="L49" class="LineNr"> 49 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L50" class="LineNr"> 50 </span>    <a href='print.mu.html#L209'>print-number</a> in-addr, out, trace
+<span id="L51" class="LineNr"> 51 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L52" class="LineNr"> 52 </span>    <span class="PreProc">return</span>
+<span id="L53" class="LineNr"> 53 </span>  <span class="Delimiter">}</span>
+<span id="L54" class="LineNr"> 54 </span>  compare *in-type, <span class="Constant">2</span>/symbol
+<span id="L55" class="LineNr"> 55 </span>  <span class="Delimiter">{</span>
+<span id="L56" class="LineNr"> 56 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L57" class="LineNr"> 57 </span>    <a href='print.mu.html#L146'>print-symbol</a> in-addr, out, trace
+<span id="L58" class="LineNr"> 58 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L59" class="LineNr"> 59 </span>    <span class="PreProc">return</span>
+<span id="L60" class="LineNr"> 60 </span>  <span class="Delimiter">}</span>
+<span id="L61" class="LineNr"> 61 </span>  compare *in-type, <span class="Constant">3</span>/stream
+<span id="L62" class="LineNr"> 62 </span>  <span class="Delimiter">{</span>
+<span id="L63" class="LineNr"> 63 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L64" class="LineNr"> 64 </span>    <a href='print.mu.html#L176'>print-stream</a> in-addr, out, trace
+<span id="L65" class="LineNr"> 65 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L66" class="LineNr"> 66 </span>    <span class="PreProc">return</span>
+<span id="L67" class="LineNr"> 67 </span>  <span class="Delimiter">}</span>
+<span id="L68" class="LineNr"> 68 </span>  compare *in-type, <span class="Constant">4</span>/primitive
+<span id="L69" class="LineNr"> 69 </span>  <span class="Delimiter">{</span>
+<span id="L70" class="LineNr"> 70 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;[primitive]&quot;</span>
+<span id="L72" class="LineNr"> 72 </span>    compare overflow?, <span class="Constant">0</span>/false
+<span id="L73" class="LineNr"> 73 </span>    <span class="Delimiter">{</span>
+<span id="L74" class="LineNr"> 74 </span>      <span class="PreProc">break-if-=</span>
+<span id="L75" class="LineNr"> 75 </span>      overflow? <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L76" class="LineNr"> 76 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-cell: no space for primitive&quot;</span>
+<span id="L77" class="LineNr"> 77 </span>    <span class="Delimiter">}</span>
+<span id="L78" class="LineNr"> 78 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L79" class="LineNr"> 79 </span>    <span class="PreProc">return</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Delimiter">}</span>
+<span id="L81" class="LineNr"> 81 </span>  compare *in-type, <span class="Constant">5</span>/screen
+<span id="L82" class="LineNr"> 82 </span>  <span class="Delimiter">{</span>
+<span id="L83" class="LineNr"> 83 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L84" class="LineNr"> 84 </span>    <span class="Delimiter">{</span>
+<span id="L85" class="LineNr"> 85 </span>      <span class="PreProc">var</span> available-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L176'>space-remaining-in-stream</a> out
+<span id="L86" class="LineNr"> 86 </span>      compare available-space, <span class="Constant">0x10</span>
+<span id="L87" class="LineNr"> 87 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L88" class="LineNr"> 88 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L89" class="LineNr"> 89 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-cell: no space for screen&quot;</span>
+<span id="L90" class="LineNr"> 90 </span>      <span class="PreProc">return</span>
+<span id="L91" class="LineNr"> 91 </span>    <span class="Delimiter">}</span>
+<span id="L92" class="LineNr"> 92 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[screen &quot;</span>
+<span id="L93" class="LineNr"> 93 </span>    <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get in-addr, screen-data
+<span id="L94" class="LineNr"> 94 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-ah
+<span id="L95" class="LineNr"> 95 </span>    <span class="PreProc">var</span> screen-addr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L96" class="LineNr"> 96 </span>    <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> out, screen-addr
+<span id="L97" class="LineNr"> 97 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
+<span id="L98" class="LineNr"> 98 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L99" class="LineNr"> 99 </span>    <span class="PreProc">return</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Delimiter">}</span>
+<span id="L101" class="LineNr">101 </span>  compare *in-type, <span class="Constant">6</span>/keyboard
+<span id="L102" class="LineNr">102 </span>  <span class="Delimiter">{</span>
+<span id="L103" class="LineNr">103 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L104" class="LineNr">104 </span>    <span class="Delimiter">{</span>
+<span id="L105" class="LineNr">105 </span>      <span class="PreProc">var</span> available-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L176'>space-remaining-in-stream</a> out
+<span id="L106" class="LineNr">106 </span>      compare available-space, <span class="Constant">0x10</span>
+<span id="L107" class="LineNr">107 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L108" class="LineNr">108 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L109" class="LineNr">109 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-cell: no space for keyboard&quot;</span>
+<span id="L110" class="LineNr">110 </span>      <span class="PreProc">return</span>
+<span id="L111" class="LineNr">111 </span>    <span class="Delimiter">}</span>
+<span id="L112" class="LineNr">112 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[keyboard &quot;</span>
+<span id="L113" class="LineNr">113 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get in-addr, keyboard-data
+<span id="L114" class="LineNr">114 </span>    <span class="PreProc">var</span> keyboard/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-ah
+<span id="L115" class="LineNr">115 </span>    <span class="PreProc">var</span> keyboard-addr/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy keyboard
+<span id="L116" class="LineNr">116 </span>    <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> out, keyboard-addr
+<span id="L117" class="LineNr">117 </span>    <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
+<span id="L118" class="LineNr">118 </span>    <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L119" class="LineNr">119 </span>    <span class="PreProc">return</span>
+<span id="L120" class="LineNr">120 </span>  <span class="Delimiter">}</span>
+<span id="L121" class="LineNr">121 </span><span class="Delimiter">}</span>
+<span id="L122" class="LineNr">122 </span>
+<span id="L123" class="LineNr">123 </span><span class="muComment"># debug helper</span>
+<span id="L124" class="LineNr">124 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L124'>dump-cell-at-top-right</a></span> in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
+<span id="L125" class="LineNr">125 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x1000</span>)
+<span id="L126" class="LineNr">126 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L127" class="LineNr">127 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L128" class="LineNr">128 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L129" class="LineNr">129 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L130" class="LineNr">130 </span>  <a href='print.mu.html#L7'>print-cell</a> in-ah, stream, trace
+<span id="L131" class="LineNr">131 </span>  <span class="PreProc">var</span> d1/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L132" class="LineNr">132 </span>  <span class="PreProc">var</span> d2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L133" class="LineNr">133 </span>  d1, d2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L202'>draw-stream-wrapping-right-then-down</a> <span class="Constant">0</span>/screen, stream, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x80</span>/xmax, <span class="Constant">0x30</span>/ymax, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L134" class="LineNr">134 </span><span class="Delimiter">}</span>
+<span id="L135" class="LineNr">135 </span>
+<span id="L136" class="LineNr">136 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L136'>dump-cell-from-cursor-over-full-screen</a></span> in-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
+<span id="L137" class="LineNr">137 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x200</span>)
+<span id="L138" class="LineNr">138 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L139" class="LineNr">139 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L140" class="LineNr">140 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L141" class="LineNr">141 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L142" class="LineNr">142 </span>  <a href='print.mu.html#L7'>print-cell</a> in-ah, stream, trace
+<span id="L143" class="LineNr">143 </span>  <a href='../501draw-text.mu.html#L235'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, stream, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
+<span id="L144" class="LineNr">144 </span><span class="Delimiter">}</span>
+<span id="L145" class="LineNr">145 </span>
+<span id="L146" class="LineNr">146 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L146'>print-symbol</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L147" class="LineNr">147 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;symbol&quot;</span>
+<span id="L148" class="LineNr">148 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L149" class="LineNr">149 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L151" class="LineNr">151 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _data
+<span id="L152" class="LineNr">152 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
+<span id="L153" class="LineNr">153 </span>  <span class="PreProc">var</span> _required-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L194'>stream-size</a> data
+<span id="L154" class="LineNr">154 </span>  <span class="PreProc">var</span> required-space/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _required-space
+<span id="L155" class="LineNr">155 </span>  <span class="PreProc">var</span> available-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L176'>space-remaining-in-stream</a> out
+<span id="L156" class="LineNr">156 </span>  compare required-space, available-space
+<span id="L157" class="LineNr">157 </span>  <span class="Delimiter">{</span>
+<span id="L158" class="LineNr">158 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L159" class="LineNr">159 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L160" class="LineNr">160 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-symbol: no space&quot;</span>
+<span id="L161" class="LineNr">161 </span>    <span class="PreProc">return</span>
+<span id="L162" class="LineNr">162 </span>  <span class="Delimiter">}</span>
+<span id="L163" class="LineNr">163 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> out, data
+<span id="L164" class="LineNr">164 </span>  <span class="muComment"># trace</span>
+<span id="L165" class="LineNr">165 </span>  <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> trace
+<span id="L166" class="LineNr">166 </span>  compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
+<span id="L167" class="LineNr">167 </span>  <span class="PreProc">break-if-=</span>
+<span id="L168" class="LineNr">168 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
+<span id="L169" class="LineNr">169 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L171" class="LineNr">171 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; symbol &quot;</span>
+<span id="L172" class="LineNr">172 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, data
+<span id="L173" class="LineNr">173 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
+<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span>
+<span id="L175" class="LineNr">175 </span>
+<span id="L176" class="LineNr">176 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L176'>print-stream</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L177" class="LineNr">177 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
+<span id="L178" class="LineNr">178 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L179" class="LineNr">179 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L180" class="LineNr">180 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L181" class="LineNr">181 </span>  <span class="PreProc">var</span> data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _data
+<span id="L182" class="LineNr">182 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
+<span id="L183" class="LineNr">183 </span>  <span class="PreProc">var</span> _required-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L194'>stream-size</a> data
+<span id="L184" class="LineNr">184 </span>  <span class="PreProc">var</span> required-space/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _required-space
+<span id="L185" class="LineNr">185 </span>  required-space <span class="Special">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># for []</span>
+<span id="L186" class="LineNr">186 </span>  <span class="PreProc">var</span> available-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L176'>space-remaining-in-stream</a> out
+<span id="L187" class="LineNr">187 </span>  compare required-space, available-space
+<span id="L188" class="LineNr">188 </span>  <span class="Delimiter">{</span>
+<span id="L189" class="LineNr">189 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L190" class="LineNr">190 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L191" class="LineNr">191 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-stream: no space&quot;</span>
+<span id="L192" class="LineNr">192 </span>    <span class="PreProc">return</span>
+<span id="L193" class="LineNr">193 </span>  <span class="Delimiter">}</span>
+<span id="L194" class="LineNr">194 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;[&quot;</span>
+<span id="L195" class="LineNr">195 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> out, data
+<span id="L196" class="LineNr">196 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;]&quot;</span>
+<span id="L197" class="LineNr">197 </span>  <span class="muComment"># trace</span>
+<span id="L198" class="LineNr">198 </span>  <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> trace
+<span id="L199" class="LineNr">199 </span>  compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
+<span id="L200" class="LineNr">200 </span>  <span class="PreProc">break-if-=</span>
+<span id="L201" class="LineNr">201 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> data
+<span id="L202" class="LineNr">202 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L203" class="LineNr">203 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L204" class="LineNr">204 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; stream &quot;</span>
+<span id="L205" class="LineNr">205 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, data
+<span id="L206" class="LineNr">206 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
+<span id="L207" class="LineNr">207 </span><span class="Delimiter">}</span>
+<span id="L208" class="LineNr">208 </span>
+<span id="L209" class="LineNr">209 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L209'>print-number</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L210" class="LineNr">210 </span>  <span class="PreProc">var</span> available-space/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../108write.subx.html#L176'>space-remaining-in-stream</a> out
+<span id="L211" class="LineNr">211 </span>  compare available-space, <span class="Constant">0x10</span>
+<span id="L212" class="LineNr">212 </span>  <span class="Delimiter">{</span>
+<span id="L213" class="LineNr">213 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L214" class="LineNr">214 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;...&quot;</span>
+<span id="L215" class="LineNr">215 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-number: no space&quot;</span>
+<span id="L216" class="LineNr">216 </span>    <span class="PreProc">return</span>
+<span id="L217" class="LineNr">217 </span>  <span class="Delimiter">}</span>
+<span id="L218" class="LineNr">218 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L219" class="LineNr">219 </span>  <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get in, number-data
+<span id="L220" class="LineNr">220 </span>  <a href='../412render-float-decimal.mu.html#L163'>write-float-decimal-approximate</a> out, *val, <span class="Constant">3</span>/precision
+<span id="L221" class="LineNr">221 </span>  <span class="muComment"># trace</span>
+<span id="L222" class="LineNr">222 </span>  <span class="Delimiter">{</span>
+<span id="L223" class="LineNr">223 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> trace
+<span id="L224" class="LineNr">224 </span>    compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
+<span id="L225" class="LineNr">225 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L226" class="LineNr">226 </span>    <span class="PreProc">return</span>
+<span id="L227" class="LineNr">227 </span>  <span class="Delimiter">}</span>
+<span id="L228" class="LineNr">228 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L229" class="LineNr">229 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L230" class="LineNr">230 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; number &quot;</span>
+<span id="L231" class="LineNr">231 </span>  <a href='../412render-float-decimal.mu.html#L163'>write-float-decimal-approximate</a> stream, *val, <span class="Constant">3</span>/precision
+<span id="L232" class="LineNr">232 </span>  trace trace, <span class="Constant">&quot;print&quot;</span>, stream
+<span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span>
+<span id="L234" class="LineNr">234 </span>
+<span id="L235" class="LineNr">235 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L235'>print-pair</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L236" class="LineNr">236 </span>  <span class="muComment"># if in starts with a quote, print the quote outside the expression</span>
 <span id="L237" class="LineNr">237 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L238" class="LineNr">238 </span>  <span class="muComment"># if type != pair, return false</span>
-<span id="L239" class="LineNr">239 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L240" class="LineNr">240 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">0</span>/pair
-<span id="L241" class="LineNr">241 </span>  <span class="Delimiter">{</span>
-<span id="L242" class="LineNr">242 </span>    <span class="PreProc">break-if-=</span>
-<span id="L243" class="LineNr">243 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L244" class="LineNr">244 </span>  <span class="Delimiter">}</span>
-<span id="L245" class="LineNr">245 </span>  <span class="muComment"># if left != null, return false</span>
-<span id="L246" class="LineNr">246 </span>  <span class="PreProc">var</span> left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L247" class="LineNr">247 </span>  <span class="PreProc">var</span> left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *left-ah
-<span id="L248" class="LineNr">248 </span>  compare left, <span class="Constant">0</span>
-<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">{</span>
-<span id="L250" class="LineNr">250 </span>    <span class="PreProc">break-if-=</span>
-<span id="L251" class="LineNr">251 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
-<span id="L253" class="LineNr">253 </span>  <span class="muComment"># if right != null, return false</span>
-<span id="L254" class="LineNr">254 </span>  <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L255" class="LineNr">255 </span>  <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right-ah
-<span id="L256" class="LineNr">256 </span>  compare right, <span class="Constant">0</span>
-<span id="L257" class="LineNr">257 </span>  <span class="Delimiter">{</span>
-<span id="L258" class="LineNr">258 </span>    <span class="PreProc">break-if-=</span>
-<span id="L259" class="LineNr">259 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L260" class="LineNr">260 </span>  <span class="Delimiter">}</span>
-<span id="L261" class="LineNr">261 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L262" class="LineNr">262 </span><span class="Delimiter">}</span>
-<span id="L263" class="LineNr">263 </span>
-<span id="L264" class="LineNr">264 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L264'>test-print-cell-zero</a></span> <span class="Delimiter">{</span>
-<span id="L265" class="LineNr">265 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L266" class="LineNr">266 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
-<span id="L267" class="LineNr">267 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">0</span>
-<span id="L268" class="LineNr">268 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L269" class="LineNr">269 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L270" class="LineNr">270 </span>  <a href='print.mu.html#L1'>print-cell</a> num, out, <span class="Constant">0</span>/no-trace
-<span id="L271" class="LineNr">271 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;0&quot;</span>, <span class="Constant">&quot;F - test-print-cell-zero&quot;</span>
-<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span>
-<span id="L273" class="LineNr">273 </span>
-<span id="L274" class="LineNr">274 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L274'>test-print-cell-integer</a></span> <span class="Delimiter">{</span>
-<span id="L275" class="LineNr">275 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L276" class="LineNr">276 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
-<span id="L277" class="LineNr">277 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">1</span>
-<span id="L278" class="LineNr">278 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L279" class="LineNr">279 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L280" class="LineNr">280 </span>  <a href='print.mu.html#L1'>print-cell</a> num, out, <span class="Constant">0</span>/no-trace
-<span id="L281" class="LineNr">281 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;1&quot;</span>, <span class="Constant">&quot;F - test-print-cell-integer&quot;</span>
-<span id="L282" class="LineNr">282 </span><span class="Delimiter">}</span>
-<span id="L283" class="LineNr">283 </span>
-<span id="L284" class="LineNr">284 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L284'>test-print-cell-integer-2</a></span> <span class="Delimiter">{</span>
-<span id="L285" class="LineNr">285 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L286" class="LineNr">286 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
-<span id="L287" class="LineNr">287 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">0x30</span>
-<span id="L288" class="LineNr">288 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L289" class="LineNr">289 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L290" class="LineNr">290 </span>  <a href='print.mu.html#L1'>print-cell</a> num, out, <span class="Constant">0</span>/no-trace
-<span id="L291" class="LineNr">291 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;48&quot;</span>, <span class="Constant">&quot;F - test-print-cell-integer-2&quot;</span>
-<span id="L292" class="LineNr">292 </span><span class="Delimiter">}</span>
-<span id="L293" class="LineNr">293 </span>
-<span id="L294" class="LineNr">294 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L294'>test-print-cell-fraction</a></span> <span class="Delimiter">{</span>
-<span id="L295" class="LineNr">295 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L296" class="LineNr">296 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
-<span id="L297" class="LineNr">297 </span>  <span class="PreProc">var</span> val/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> <a href='../408float.mu.html#L18'>rational</a> <span class="Constant">1</span>, <span class="Constant">2</span>
-<span id="L298" class="LineNr">298 </span>  <a href='cell.mu.html#L97'>new-float</a> num, val
-<span id="L299" class="LineNr">299 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L300" class="LineNr">300 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L301" class="LineNr">301 </span>  <a href='print.mu.html#L1'>print-cell</a> num, out, <span class="Constant">0</span>/no-trace
-<span id="L302" class="LineNr">302 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;0.5&quot;</span>, <span class="Constant">&quot;F - test-print-cell-fraction&quot;</span>
-<span id="L303" class="LineNr">303 </span><span class="Delimiter">}</span>
-<span id="L304" class="LineNr">304 </span>
-<span id="L305" class="LineNr">305 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L305'>test-print-cell-symbol</a></span> <span class="Delimiter">{</span>
-<span id="L306" class="LineNr">306 </span>  <span class="PreProc">var</span> sym-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L307" class="LineNr">307 </span>  <span class="PreProc">var</span> sym/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sym-storage
-<span id="L308" class="LineNr">308 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sym, <span class="Constant">&quot;abc&quot;</span>
-<span id="L309" class="LineNr">309 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L310" class="LineNr">310 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L311" class="LineNr">311 </span>  <a href='print.mu.html#L1'>print-cell</a> sym, out, <span class="Constant">0</span>/no-trace
-<span id="L312" class="LineNr">312 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;abc&quot;</span>, <span class="Constant">&quot;F - test-print-cell-symbol&quot;</span>
-<span id="L313" class="LineNr">313 </span><span class="Delimiter">}</span>
-<span id="L314" class="LineNr">314 </span>
-<span id="L315" class="LineNr">315 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L315'>test-print-cell-nil-list</a></span> <span class="Delimiter">{</span>
-<span id="L316" class="LineNr">316 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L317" class="LineNr">317 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L318" class="LineNr">318 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
-<span id="L319" class="LineNr">319 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L320" class="LineNr">320 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L321" class="LineNr">321 </span>  <a href='print.mu.html#L1'>print-cell</a> <a href='cell.mu.html#L121'>nil</a>, out, <span class="Constant">0</span>/no-trace
-<span id="L322" class="LineNr">322 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;()&quot;</span>, <span class="Constant">&quot;F - test-print-cell-nil-list&quot;</span>
-<span id="L323" class="LineNr">323 </span><span class="Delimiter">}</span>
-<span id="L324" class="LineNr">324 </span>
-<span id="L325" class="LineNr">325 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L325'>test-print-cell-singleton-list</a></span> <span class="Delimiter">{</span>
-<span id="L326" class="LineNr">326 </span>  <span class="muComment"># list</span>
-<span id="L327" class="LineNr">327 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L328" class="LineNr">328 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
-<span id="L329" class="LineNr">329 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
-<span id="L330" class="LineNr">330 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L331" class="LineNr">331 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L332" class="LineNr">332 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
-<span id="L333" class="LineNr">333 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L334" class="LineNr">334 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
-<span id="L335" class="LineNr">335 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
-<span id="L336" class="LineNr">336 </span>  <span class="muComment">#</span>
-<span id="L337" class="LineNr">337 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L338" class="LineNr">338 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L339" class="LineNr">339 </span>  <a href='print.mu.html#L1'>print-cell</a> list, out, <span class="Constant">0</span>/no-trace
-<span id="L340" class="LineNr">340 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(abc)&quot;</span>, <span class="Constant">&quot;F - test-print-cell-singleton-list&quot;</span>
-<span id="L341" class="LineNr">341 </span><span class="Delimiter">}</span>
-<span id="L342" class="LineNr">342 </span>
-<span id="L343" class="LineNr">343 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L343'>test-print-cell-list</a></span> <span class="Delimiter">{</span>
-<span id="L344" class="LineNr">344 </span>  <span class="muComment"># list = cons &quot;abc&quot;, nil</span>
-<span id="L345" class="LineNr">345 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L346" class="LineNr">346 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
-<span id="L347" class="LineNr">347 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
-<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L349" class="LineNr">349 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L350" class="LineNr">350 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
-<span id="L351" class="LineNr">351 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L352" class="LineNr">352 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
-<span id="L353" class="LineNr">353 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
-<span id="L354" class="LineNr">354 </span>  <span class="muComment"># list = cons 64, list</span>
-<span id="L355" class="LineNr">355 </span>  <a href='cell.mu.html#L84'>new-integer</a> left, <span class="Constant">0x40</span>
-<span id="L356" class="LineNr">356 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *list
-<span id="L357" class="LineNr">357 </span>  <span class="muComment">#</span>
-<span id="L358" class="LineNr">358 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L359" class="LineNr">359 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L360" class="LineNr">360 </span>  <a href='print.mu.html#L1'>print-cell</a> list, out, <span class="Constant">0</span>/no-trace
-<span id="L361" class="LineNr">361 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(64 abc)&quot;</span>, <span class="Constant">&quot;F - test-print-cell-list&quot;</span>
-<span id="L362" class="LineNr">362 </span><span class="Delimiter">}</span>
-<span id="L363" class="LineNr">363 </span>
-<span id="L364" class="LineNr">364 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L364'>test-print-cell-list-of-nil</a></span> <span class="Delimiter">{</span>
-<span id="L365" class="LineNr">365 </span>  <span class="muComment"># list = cons &quot;abc&quot;, nil</span>
-<span id="L366" class="LineNr">366 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L367" class="LineNr">367 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
-<span id="L368" class="LineNr">368 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> left
-<span id="L369" class="LineNr">369 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L370" class="LineNr">370 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L371" class="LineNr">371 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
-<span id="L372" class="LineNr">372 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L373" class="LineNr">373 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
-<span id="L374" class="LineNr">374 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
-<span id="L375" class="LineNr">375 </span>  <span class="muComment"># list = cons 64, list</span>
-<span id="L376" class="LineNr">376 </span>  <a href='cell.mu.html#L84'>new-integer</a> left, <span class="Constant">0x40</span>
-<span id="L377" class="LineNr">377 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *list
-<span id="L378" class="LineNr">378 </span>  <span class="muComment">#</span>
+<span id="L238" class="LineNr">238 </span>  <span class="PreProc">var</span> left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L239" class="LineNr">239 </span>  <span class="PreProc">var</span> _left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *left-ah
+<span id="L240" class="LineNr">240 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _left
+<span id="L241" class="LineNr">241 </span>  <span class="PreProc">var</span> is-quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;'&quot;</span>
+<span id="L242" class="LineNr">242 </span>  compare is-quote?, <span class="Constant">0</span>/false
+<span id="L243" class="LineNr">243 </span>  <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>    <span class="PreProc">break-if-=</span>
+<span id="L245" class="LineNr">245 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;'&quot;</span>
+<span id="L246" class="LineNr">246 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L247" class="LineNr">247 </span>    <a href='print.mu.html#L7'>print-cell</a> right-ah, out, trace
+<span id="L248" class="LineNr">248 </span>    <span class="PreProc">return</span>
+<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">}</span>
+<span id="L250" class="LineNr">250 </span>  <span class="PreProc">var</span> is-backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;`&quot;</span>
+<span id="L251" class="LineNr">251 </span>  compare is-backquote?, <span class="Constant">0</span>/false
+<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">{</span>
+<span id="L253" class="LineNr">253 </span>    <span class="PreProc">break-if-=</span>
+<span id="L254" class="LineNr">254 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;`&quot;</span>
+<span id="L255" class="LineNr">255 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L256" class="LineNr">256 </span>    <a href='print.mu.html#L7'>print-cell</a> right-ah, out, trace
+<span id="L257" class="LineNr">257 </span>    <span class="PreProc">return</span>
+<span id="L258" class="LineNr">258 </span>  <span class="Delimiter">}</span>
+<span id="L259" class="LineNr">259 </span>  <span class="PreProc">var</span> is-unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;,&quot;</span>
+<span id="L260" class="LineNr">260 </span>  compare is-unquote?, <span class="Constant">0</span>/false
+<span id="L261" class="LineNr">261 </span>  <span class="Delimiter">{</span>
+<span id="L262" class="LineNr">262 </span>    <span class="PreProc">break-if-=</span>
+<span id="L263" class="LineNr">263 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;,&quot;</span>
+<span id="L264" class="LineNr">264 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L265" class="LineNr">265 </span>    <a href='print.mu.html#L7'>print-cell</a> right-ah, out, trace
+<span id="L266" class="LineNr">266 </span>    <span class="PreProc">return</span>
+<span id="L267" class="LineNr">267 </span>  <span class="Delimiter">}</span>
+<span id="L268" class="LineNr">268 </span>  <span class="PreProc">var</span> is-unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='cell.mu.html#L44'>symbol-equal?</a> left, <span class="Constant">&quot;,@&quot;</span>
+<span id="L269" class="LineNr">269 </span>  compare is-unquote-splice?, <span class="Constant">0</span>/false
+<span id="L270" class="LineNr">270 </span>  <span class="Delimiter">{</span>
+<span id="L271" class="LineNr">271 </span>    <span class="PreProc">break-if-=</span>
+<span id="L272" class="LineNr">272 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;,@&quot;</span>
+<span id="L273" class="LineNr">273 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L274" class="LineNr">274 </span>    <a href='print.mu.html#L7'>print-cell</a> right-ah, out, trace
+<span id="L275" class="LineNr">275 </span>    <span class="PreProc">return</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Delimiter">}</span>
+<span id="L277" class="LineNr">277 </span>  <span class="muComment">#</span>
+<span id="L278" class="LineNr">278 </span>  <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L279" class="LineNr">279 </span>  <span class="Delimiter">{</span>
+<span id="L280" class="LineNr">280 </span>    <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;(&quot;</span>
+<span id="L281" class="LineNr">281 </span>    compare overflow?, <span class="Constant">0</span>/false
+<span id="L282" class="LineNr">282 </span>    <span class="PreProc">break-if-=</span>
+<span id="L283" class="LineNr">283 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-pair: no space for '('&quot;</span>
+<span id="L284" class="LineNr">284 </span>    <span class="PreProc">return</span>
+<span id="L285" class="LineNr">285 </span>  <span class="Delimiter">}</span>
+<span id="L286" class="LineNr">286 </span>  $print-pair:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L287" class="LineNr">287 </span>    <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
+<span id="L288" class="LineNr">288 </span>    <a href='print.mu.html#L7'>print-cell</a> left, out, trace
+<span id="L289" class="LineNr">289 </span>    <span class="muComment"># errors? skip</span>
+<span id="L290" class="LineNr">290 </span>    <span class="Delimiter">{</span>
+<span id="L291" class="LineNr">291 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L292" class="LineNr">292 </span>      compare error?, <span class="Constant">0</span>/false
+<span id="L293" class="LineNr">293 </span>      <span class="PreProc">break-if-=</span>
+<span id="L294" class="LineNr">294 </span>      <span class="PreProc">return</span>
+<span id="L295" class="LineNr">295 </span>    <span class="Delimiter">}</span>
+<span id="L296" class="LineNr">296 </span>    <span class="PreProc">var</span> right/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
+<span id="L297" class="LineNr">297 </span>    <span class="PreProc">var</span> right-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right
+<span id="L298" class="LineNr">298 </span>    <span class="Delimiter">{</span>
+<span id="L299" class="LineNr">299 </span>      compare right-addr, <span class="Constant">0</span>
+<span id="L300" class="LineNr">300 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L301" class="LineNr">301 </span>      <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;NULL in print!&quot;</span>
+<span id="L302" class="LineNr">302 </span>    <span class="Delimiter">}</span>
+<span id="L303" class="LineNr">303 </span>    <span class="Delimiter">{</span>
+<span id="L304" class="LineNr">304 </span>      <span class="PreProc">var</span> right-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L347'>nil?</a> right-addr
+<span id="L305" class="LineNr">305 </span>      compare right-nil?, <span class="Constant">0</span>/false
+<span id="L306" class="LineNr">306 </span>      <span class="Delimiter">{</span>
+<span id="L307" class="LineNr">307 </span>        <span class="PreProc">break-if-=</span>
+<span id="L308" class="LineNr">308 </span>        <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;print&quot;</span>, <span class="Constant">&quot;right is nil&quot;</span>
+<span id="L309" class="LineNr">309 </span>        <span class="PreProc">break</span> $print-pair:<span class="PreProc">loop</span>
+<span id="L310" class="LineNr">310 </span>      <span class="Delimiter">}</span>
+<span id="L311" class="LineNr">311 </span>    <span class="Delimiter">}</span>
+<span id="L312" class="LineNr">312 </span>    <span class="Delimiter">{</span>
+<span id="L313" class="LineNr">313 </span>      <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot; &quot;</span>
+<span id="L314" class="LineNr">314 </span>      compare overflow?, <span class="Constant">0</span>/false
+<span id="L315" class="LineNr">315 </span>      <span class="PreProc">break-if-=</span>
+<span id="L316" class="LineNr">316 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-pair: no space&quot;</span>
+<span id="L317" class="LineNr">317 </span>      <span class="PreProc">return</span>
+<span id="L318" class="LineNr">318 </span>    <span class="Delimiter">}</span>
+<span id="L319" class="LineNr">319 </span>    <span class="PreProc">var</span> right-type-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get right-addr, <span class="PreProc">type</span>
+<span id="L320" class="LineNr">320 </span>    <span class="Delimiter">{</span>
+<span id="L321" class="LineNr">321 </span>      compare *right-type-addr, <span class="Constant">0</span>/pair
+<span id="L322" class="LineNr">322 </span>      <span class="PreProc">break-if-=</span>
+<span id="L323" class="LineNr">323 </span>      <span class="Delimiter">{</span>
+<span id="L324" class="LineNr">324 </span>        <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;. &quot;</span>
+<span id="L325" class="LineNr">325 </span>        compare overflow?, <span class="Constant">0</span>/false
+<span id="L326" class="LineNr">326 </span>        <span class="PreProc">break-if-=</span>
+<span id="L327" class="LineNr">327 </span>        <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-pair: no space&quot;</span>
+<span id="L328" class="LineNr">328 </span>        <span class="PreProc">return</span>
+<span id="L329" class="LineNr">329 </span>      <span class="Delimiter">}</span>
+<span id="L330" class="LineNr">330 </span>      <a href='print.mu.html#L7'>print-cell</a> right, out, trace
+<span id="L331" class="LineNr">331 </span>      <span class="PreProc">break</span> $print-pair:<span class="PreProc">loop</span>
+<span id="L332" class="LineNr">332 </span>    <span class="Delimiter">}</span>
+<span id="L333" class="LineNr">333 </span>    curr <span class="Special">&lt;-</span> copy right-addr
+<span id="L334" class="LineNr">334 </span>    <span class="PreProc">loop</span>
+<span id="L335" class="LineNr">335 </span>  <span class="Delimiter">}</span>
+<span id="L336" class="LineNr">336 </span>  <span class="Delimiter">{</span>
+<span id="L337" class="LineNr">337 </span>    <span class="PreProc">var</span> overflow?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../108write.subx.html#L138'>try-write</a> out, <span class="Constant">&quot;)&quot;</span>
+<span id="L338" class="LineNr">338 </span>    compare overflow?, <span class="Constant">0</span>/false
+<span id="L339" class="LineNr">339 </span>    <span class="PreProc">break-if-=</span>
+<span id="L340" class="LineNr">340 </span>    <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;print-pair: no space for ')'&quot;</span>
+<span id="L341" class="LineNr">341 </span>    <span class="PreProc">return</span>
+<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">}</span>
+<span id="L343" class="LineNr">343 </span><span class="Delimiter">}</span>
+<span id="L344" class="LineNr">344 </span>
+<span id="L345" class="LineNr">345 </span><span class="muComment"># Most lisps intern nil, but we don't really have globals yet, so we'll be</span>
+<span id="L346" class="LineNr">346 </span><span class="muComment"># less efficient for now.</span>
+<span id="L347" class="LineNr">347 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print.mu.html#L347'>nil?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L349" class="LineNr">349 </span>  <span class="muComment"># if type != pair, return false</span>
+<span id="L350" class="LineNr">350 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L351" class="LineNr">351 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">0</span>/pair
+<span id="L352" class="LineNr">352 </span>  <span class="Delimiter">{</span>
+<span id="L353" class="LineNr">353 </span>    <span class="PreProc">break-if-=</span>
+<span id="L354" class="LineNr">354 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L355" class="LineNr">355 </span>  <span class="Delimiter">}</span>
+<span id="L356" class="LineNr">356 </span>  <span class="muComment"># if left != null, return false</span>
+<span id="L357" class="LineNr">357 </span>  <span class="PreProc">var</span> left-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
+<span id="L358" class="LineNr">358 </span>  <span class="PreProc">var</span> left/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *left-ah
+<span id="L359" class="LineNr">359 </span>  compare left, <span class="Constant">0</span>
+<span id="L360" class="LineNr">360 </span>  <span class="Delimiter">{</span>
+<span id="L361" class="LineNr">361 </span>    <span class="PreProc">break-if-=</span>
+<span id="L362" class="LineNr">362 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L363" class="LineNr">363 </span>  <span class="Delimiter">}</span>
+<span id="L364" class="LineNr">364 </span>  <span class="muComment"># if right != null, return false</span>
+<span id="L365" class="LineNr">365 </span>  <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
+<span id="L366" class="LineNr">366 </span>  <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *right-ah
+<span id="L367" class="LineNr">367 </span>  compare right, <span class="Constant">0</span>
+<span id="L368" class="LineNr">368 </span>  <span class="Delimiter">{</span>
+<span id="L369" class="LineNr">369 </span>    <span class="PreProc">break-if-=</span>
+<span id="L370" class="LineNr">370 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L371" class="LineNr">371 </span>  <span class="Delimiter">}</span>
+<span id="L372" class="LineNr">372 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L373" class="LineNr">373 </span><span class="Delimiter">}</span>
+<span id="L374" class="LineNr">374 </span>
+<span id="L375" class="LineNr">375 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L375'>test-print-cell-zero</a></span> <span class="Delimiter">{</span>
+<span id="L376" class="LineNr">376 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L377" class="LineNr">377 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
+<span id="L378" class="LineNr">378 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">0</span>
 <span id="L379" class="LineNr">379 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
 <span id="L380" class="LineNr">380 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L381" class="LineNr">381 </span>  <a href='print.mu.html#L1'>print-cell</a> list, out, <span class="Constant">0</span>/no-trace
-<span id="L382" class="LineNr">382 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(64 ())&quot;</span>, <span class="Constant">&quot;F - test-print-cell-list-nil&quot;</span>
-<span id="L383" class="LineNr">383 </span><span class="Delimiter">}</span>
-<span id="L384" class="LineNr">384 </span>
-<span id="L385" class="LineNr">385 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L385'>test-print-dotted-list</a></span> <span class="Delimiter">{</span>
-<span id="L386" class="LineNr">386 </span>  <span class="muComment"># list = cons 64, &quot;abc&quot;</span>
-<span id="L387" class="LineNr">387 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L388" class="LineNr">388 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
-<span id="L389" class="LineNr">389 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
-<span id="L390" class="LineNr">390 </span>  <span class="PreProc">var</span> right-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L391" class="LineNr">391 </span>  <span class="PreProc">var</span> right/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address right-storage
-<span id="L392" class="LineNr">392 </span>  <a href='cell.mu.html#L84'>new-integer</a> right, <span class="Constant">0x40</span>
-<span id="L393" class="LineNr">393 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L394" class="LineNr">394 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
-<span id="L395" class="LineNr">395 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *right
-<span id="L396" class="LineNr">396 </span>  <span class="muComment">#</span>
-<span id="L397" class="LineNr">397 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L398" class="LineNr">398 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
-<span id="L399" class="LineNr">399 </span>  <a href='print.mu.html#L1'>print-cell</a> list, out, <span class="Constant">0</span>/no-trace
-<span id="L400" class="LineNr">400 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(abc . 64)&quot;</span>, <span class="Constant">&quot;F - test-print-dotted-list&quot;</span>
-<span id="L401" class="LineNr">401 </span><span class="Delimiter">}</span>
+<span id="L381" class="LineNr">381 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L382" class="LineNr">382 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L383" class="LineNr">383 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L384" class="LineNr">384 </span>  <a href='print.mu.html#L7'>print-cell</a> num, out, trace
+<span id="L385" class="LineNr">385 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;0&quot;</span>, <span class="Constant">&quot;F - test-print-cell-zero&quot;</span>
+<span id="L386" class="LineNr">386 </span><span class="Delimiter">}</span>
+<span id="L387" class="LineNr">387 </span>
+<span id="L388" class="LineNr">388 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L388'>test-print-cell-integer</a></span> <span class="Delimiter">{</span>
+<span id="L389" class="LineNr">389 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L390" class="LineNr">390 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
+<span id="L391" class="LineNr">391 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">1</span>
+<span id="L392" class="LineNr">392 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L393" class="LineNr">393 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L394" class="LineNr">394 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L395" class="LineNr">395 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L396" class="LineNr">396 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L397" class="LineNr">397 </span>  <a href='print.mu.html#L7'>print-cell</a> num, out, trace
+<span id="L398" class="LineNr">398 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;1&quot;</span>, <span class="Constant">&quot;F - test-print-cell-integer&quot;</span>
+<span id="L399" class="LineNr">399 </span><span class="Delimiter">}</span>
+<span id="L400" class="LineNr">400 </span>
+<span id="L401" class="LineNr">401 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L401'>test-print-cell-integer-2</a></span> <span class="Delimiter">{</span>
+<span id="L402" class="LineNr">402 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L403" class="LineNr">403 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
+<span id="L404" class="LineNr">404 </span>  <a href='cell.mu.html#L84'>new-integer</a> num, <span class="Constant">0x30</span>
+<span id="L405" class="LineNr">405 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L406" class="LineNr">406 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L407" class="LineNr">407 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L408" class="LineNr">408 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L409" class="LineNr">409 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L410" class="LineNr">410 </span>  <a href='print.mu.html#L7'>print-cell</a> num, out, trace
+<span id="L411" class="LineNr">411 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;48&quot;</span>, <span class="Constant">&quot;F - test-print-cell-integer-2&quot;</span>
+<span id="L412" class="LineNr">412 </span><span class="Delimiter">}</span>
+<span id="L413" class="LineNr">413 </span>
+<span id="L414" class="LineNr">414 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L414'>test-print-cell-fraction</a></span> <span class="Delimiter">{</span>
+<span id="L415" class="LineNr">415 </span>  <span class="PreProc">var</span> num-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L416" class="LineNr">416 </span>  <span class="PreProc">var</span> num/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address num-storage
+<span id="L417" class="LineNr">417 </span>  <span class="PreProc">var</span> val/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> <a href='../408float.mu.html#L18'>rational</a> <span class="Constant">1</span>, <span class="Constant">2</span>
+<span id="L418" class="LineNr">418 </span>  <a href='cell.mu.html#L97'>new-float</a> num, val
+<span id="L419" class="LineNr">419 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L420" class="LineNr">420 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L421" class="LineNr">421 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L422" class="LineNr">422 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L423" class="LineNr">423 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L424" class="LineNr">424 </span>  <a href='print.mu.html#L7'>print-cell</a> num, out, trace
+<span id="L425" class="LineNr">425 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;0.5&quot;</span>, <span class="Constant">&quot;F - test-print-cell-fraction&quot;</span>
+<span id="L426" class="LineNr">426 </span><span class="Delimiter">}</span>
+<span id="L427" class="LineNr">427 </span>
+<span id="L428" class="LineNr">428 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L428'>test-print-cell-symbol</a></span> <span class="Delimiter">{</span>
+<span id="L429" class="LineNr">429 </span>  <span class="PreProc">var</span> sym-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L430" class="LineNr">430 </span>  <span class="PreProc">var</span> sym/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sym-storage
+<span id="L431" class="LineNr">431 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sym, <span class="Constant">&quot;abc&quot;</span>
+<span id="L432" class="LineNr">432 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L433" class="LineNr">433 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L434" class="LineNr">434 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L435" class="LineNr">435 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L436" class="LineNr">436 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L437" class="LineNr">437 </span>  <a href='print.mu.html#L7'>print-cell</a> sym, out, trace
+<span id="L438" class="LineNr">438 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;abc&quot;</span>, <span class="Constant">&quot;F - test-print-cell-symbol&quot;</span>
+<span id="L439" class="LineNr">439 </span><span class="Delimiter">}</span>
+<span id="L440" class="LineNr">440 </span>
+<span id="L441" class="LineNr">441 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L441'>test-print-cell-nil-list</a></span> <span class="Delimiter">{</span>
+<span id="L442" class="LineNr">442 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L443" class="LineNr">443 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L444" class="LineNr">444 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
+<span id="L445" class="LineNr">445 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L446" class="LineNr">446 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L447" class="LineNr">447 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L448" class="LineNr">448 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L449" class="LineNr">449 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L450" class="LineNr">450 </span>  <a href='print.mu.html#L7'>print-cell</a> <a href='cell.mu.html#L121'>nil</a>, out, trace
+<span id="L451" class="LineNr">451 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;()&quot;</span>, <span class="Constant">&quot;F - test-print-cell-nil-list&quot;</span>
+<span id="L452" class="LineNr">452 </span><span class="Delimiter">}</span>
+<span id="L453" class="LineNr">453 </span>
+<span id="L454" class="LineNr">454 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L454'>test-print-cell-singleton-list</a></span> <span class="Delimiter">{</span>
+<span id="L455" class="LineNr">455 </span>  <span class="muComment"># list</span>
+<span id="L456" class="LineNr">456 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L457" class="LineNr">457 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
+<span id="L458" class="LineNr">458 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
+<span id="L459" class="LineNr">459 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L460" class="LineNr">460 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L461" class="LineNr">461 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
+<span id="L462" class="LineNr">462 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L463" class="LineNr">463 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
+<span id="L464" class="LineNr">464 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
+<span id="L465" class="LineNr">465 </span>  <span class="muComment">#</span>
+<span id="L466" class="LineNr">466 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L467" class="LineNr">467 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L468" class="LineNr">468 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L469" class="LineNr">469 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L470" class="LineNr">470 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L471" class="LineNr">471 </span>  <a href='print.mu.html#L7'>print-cell</a> list, out, trace
+<span id="L472" class="LineNr">472 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(abc)&quot;</span>, <span class="Constant">&quot;F - test-print-cell-singleton-list&quot;</span>
+<span id="L473" class="LineNr">473 </span><span class="Delimiter">}</span>
+<span id="L474" class="LineNr">474 </span>
+<span id="L475" class="LineNr">475 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L475'>test-print-cell-list</a></span> <span class="Delimiter">{</span>
+<span id="L476" class="LineNr">476 </span>  <span class="muComment"># list = cons &quot;abc&quot;, nil</span>
+<span id="L477" class="LineNr">477 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L478" class="LineNr">478 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
+<span id="L479" class="LineNr">479 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
+<span id="L480" class="LineNr">480 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L481" class="LineNr">481 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L482" class="LineNr">482 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
+<span id="L483" class="LineNr">483 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L484" class="LineNr">484 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
+<span id="L485" class="LineNr">485 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
+<span id="L486" class="LineNr">486 </span>  <span class="muComment"># list = cons 64, list</span>
+<span id="L487" class="LineNr">487 </span>  <a href='cell.mu.html#L84'>new-integer</a> left, <span class="Constant">0x40</span>
+<span id="L488" class="LineNr">488 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *list
+<span id="L489" class="LineNr">489 </span>  <span class="muComment">#</span>
+<span id="L490" class="LineNr">490 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L491" class="LineNr">491 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L492" class="LineNr">492 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L493" class="LineNr">493 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L494" class="LineNr">494 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L495" class="LineNr">495 </span>  <a href='print.mu.html#L7'>print-cell</a> list, out, trace
+<span id="L496" class="LineNr">496 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(64 abc)&quot;</span>, <span class="Constant">&quot;F - test-print-cell-list&quot;</span>
+<span id="L497" class="LineNr">497 </span><span class="Delimiter">}</span>
+<span id="L498" class="LineNr">498 </span>
+<span id="L499" class="LineNr">499 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L499'>test-print-cell-list-of-nil</a></span> <span class="Delimiter">{</span>
+<span id="L500" class="LineNr">500 </span>  <span class="muComment"># list = cons &quot;abc&quot;, nil</span>
+<span id="L501" class="LineNr">501 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L502" class="LineNr">502 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
+<span id="L503" class="LineNr">503 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> left
+<span id="L504" class="LineNr">504 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L505" class="LineNr">505 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L506" class="LineNr">506 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
+<span id="L507" class="LineNr">507 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L508" class="LineNr">508 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
+<span id="L509" class="LineNr">509 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
+<span id="L510" class="LineNr">510 </span>  <span class="muComment"># list = cons 64, list</span>
+<span id="L511" class="LineNr">511 </span>  <a href='cell.mu.html#L84'>new-integer</a> left, <span class="Constant">0x40</span>
+<span id="L512" class="LineNr">512 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *list
+<span id="L513" class="LineNr">513 </span>  <span class="muComment">#</span>
+<span id="L514" class="LineNr">514 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L515" class="LineNr">515 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L516" class="LineNr">516 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L517" class="LineNr">517 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L518" class="LineNr">518 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L519" class="LineNr">519 </span>  <a href='print.mu.html#L7'>print-cell</a> list, out, trace
+<span id="L520" class="LineNr">520 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(64 ())&quot;</span>, <span class="Constant">&quot;F - test-print-cell-list-nil&quot;</span>
+<span id="L521" class="LineNr">521 </span><span class="Delimiter">}</span>
+<span id="L522" class="LineNr">522 </span>
+<span id="L523" class="LineNr">523 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L523'>test-print-dotted-list</a></span> <span class="Delimiter">{</span>
+<span id="L524" class="LineNr">524 </span>  <span class="muComment"># list = cons 64, &quot;abc&quot;</span>
+<span id="L525" class="LineNr">525 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L526" class="LineNr">526 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
+<span id="L527" class="LineNr">527 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abc&quot;</span>
+<span id="L528" class="LineNr">528 </span>  <span class="PreProc">var</span> right-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L529" class="LineNr">529 </span>  <span class="PreProc">var</span> right/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address right-storage
+<span id="L530" class="LineNr">530 </span>  <a href='cell.mu.html#L84'>new-integer</a> right, <span class="Constant">0x40</span>
+<span id="L531" class="LineNr">531 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L532" class="LineNr">532 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
+<span id="L533" class="LineNr">533 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *right
+<span id="L534" class="LineNr">534 </span>  <span class="muComment">#</span>
+<span id="L535" class="LineNr">535 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L536" class="LineNr">536 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L537" class="LineNr">537 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L538" class="LineNr">538 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L539" class="LineNr">539 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L540" class="LineNr">540 </span>  <a href='print.mu.html#L7'>print-cell</a> list, out, trace
+<span id="L541" class="LineNr">541 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(abc . 64)&quot;</span>, <span class="Constant">&quot;F - test-print-dotted-list&quot;</span>
+<span id="L542" class="LineNr">542 </span><span class="Delimiter">}</span>
+<span id="L543" class="LineNr">543 </span>
+<span id="L544" class="LineNr">544 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L544'>test-print-cell-interrupted</a></span> <span class="Delimiter">{</span>
+<span id="L545" class="LineNr">545 </span>  <span class="PreProc">var</span> sym-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L546" class="LineNr">546 </span>  <span class="PreProc">var</span> sym/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sym-storage
+<span id="L547" class="LineNr">547 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sym, <span class="Constant">&quot;abcd&quot;</span>  <span class="muComment"># requires 4 bytes</span>
+<span id="L548" class="LineNr">548 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">3</span>)  <span class="muComment"># space for just 3 bytes</span>
+<span id="L549" class="LineNr">549 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L550" class="LineNr">550 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L551" class="LineNr">551 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L552" class="LineNr">552 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L553" class="LineNr">553 </span>  <a href='print.mu.html#L7'>print-cell</a> sym, out, trace
+<span id="L554" class="LineNr">554 </span>  <span class="muComment"># insufficient space to print out the symbol; print out ellipses if we can</span>
+<span id="L555" class="LineNr">555 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;...&quot;</span>, <span class="Constant">&quot;F - test-print-cell-interrupted&quot;</span>
+<span id="L556" class="LineNr">556 </span><span class="Delimiter">}</span>
+<span id="L557" class="LineNr">557 </span>
+<span id="L558" class="LineNr">558 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L558'>test-print-cell-impossible</a></span> <span class="Delimiter">{</span>
+<span id="L559" class="LineNr">559 </span>  <span class="PreProc">var</span> sym-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L560" class="LineNr">560 </span>  <span class="PreProc">var</span> sym/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address sym-storage
+<span id="L561" class="LineNr">561 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sym, <span class="Constant">&quot;abcd&quot;</span>  <span class="muComment"># requires 4 bytes</span>
+<span id="L562" class="LineNr">562 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">2</span>)
+<span id="L563" class="LineNr">563 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L564" class="LineNr">564 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L565" class="LineNr">565 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L566" class="LineNr">566 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L567" class="LineNr">567 </span>  <a href='print.mu.html#L7'>print-cell</a> sym, out, trace
+<span id="L568" class="LineNr">568 </span>  <span class="muComment"># insufficient space even for ellipses; print nothing</span>
+<span id="L569" class="LineNr">569 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;&quot;</span>, <span class="Constant">&quot;F - test-print-cell-impossible&quot;</span>
+<span id="L570" class="LineNr">570 </span><span class="Delimiter">}</span>
+<span id="L571" class="LineNr">571 </span>
+<span id="L572" class="LineNr">572 </span><span class="PreProc">fn</span> <span class="muTest"><a href='print.mu.html#L572'>test-print-cell-interrupted-list</a></span> <span class="Delimiter">{</span>
+<span id="L573" class="LineNr">573 </span>  <span class="muComment"># list = (abcd) requires 6 bytes</span>
+<span id="L574" class="LineNr">574 </span>  <span class="PreProc">var</span> left-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L575" class="LineNr">575 </span>  <span class="PreProc">var</span> left/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address left-storage
+<span id="L576" class="LineNr">576 </span>  <a href='cell.mu.html#L39'>new-symbol</a> left, <span class="Constant">&quot;abcd&quot;</span>
+<span id="L577" class="LineNr">577 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L578" class="LineNr">578 </span>  <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L579" class="LineNr">579 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> <a href='cell.mu.html#L121'>nil</a>
+<span id="L580" class="LineNr">580 </span>  <span class="PreProc">var</span> list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L581" class="LineNr">581 </span>  <span class="PreProc">var</span> list/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address list-storage
+<span id="L582" class="LineNr">582 </span>  <a href='cell.mu.html#L116'>new-pair</a> list, *left, *nil
+<span id="L583" class="LineNr">583 </span>  <span class="muComment">#</span>
+<span id="L584" class="LineNr">584 </span>  <span class="PreProc">var</span> out-storage: (stream byte <span class="Constant">4</span>)  <span class="muComment"># space for just 4 bytes</span>
+<span id="L585" class="LineNr">585 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address out-storage
+<span id="L586" class="LineNr">586 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L587" class="LineNr">587 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L588" class="LineNr">588 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L589" class="LineNr">589 </span>  <a href='print.mu.html#L7'>print-cell</a> list, out, trace
+<span id="L590" class="LineNr">590 </span>  <a href='../109stream-equal.subx.html#L194'>check-stream-equal</a> out, <span class="Constant">&quot;(...&quot;</span>, <span class="Constant">&quot;F - test-print-cell-interrupted-list&quot;</span>
+<span id="L591" class="LineNr">591 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/read.mu.html b/html/shell/read.mu.html
index ec0cf368..ba9473f3 100644
--- a/html/shell/read.mu.html
+++ b/html/shell/read.mu.html
@@ -15,12 +15,12 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
 a { color:inherit; }
 * { font-size:12pt; font-size: 1em; }
 .PreProc { color: #c000c0; }
+.Special { color: #ff6060; }
 .LineNr { }
 .Constant { color: #008787; }
-.muComment { color: #005faf; }
 .Delimiter { color: #c000c0; }
 .muFunction { color: #af5f00; text-decoration: underline; }
-.Special { color: #ff6060; }
+.muComment { color: #005faf; }
 -->
 </style>
 
@@ -57,19 +57,21 @@ if ('onhashchange' in window) {
 <a href='https://github.com/akkartik/mu/blob/main/shell/read.mu'>https://github.com/akkartik/mu/blob/main/shell/read.mu</a>
 <pre id='vimCodeElement'>
 <span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='read.mu.html#L1'>read-cell</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L2" class="LineNr"> 2 </span>  <span class="PreProc">var</span> tokens-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x400</span>)
-<span id="L3" class="LineNr"> 3 </span>  <span class="PreProc">var</span> tokens/<span class="Constant">ecx</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tokens-storage
-<span id="L4" class="LineNr"> 4 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, tokens, trace
-<span id="L5" class="LineNr"> 5 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L6" class="LineNr"> 6 </span>  compare error?, <span class="Constant">0</span>/false
-<span id="L7" class="LineNr"> 7 </span>  <span class="Delimiter">{</span>
-<span id="L8" class="LineNr"> 8 </span>    <span class="PreProc">break-if-=</span>
-<span id="L9" class="LineNr"> 9 </span>    <span class="PreProc">return</span>
-<span id="L10" class="LineNr">10 </span>  <span class="Delimiter">}</span>
-<span id="L11" class="LineNr">11 </span>  <span class="muComment"># TODO: insert parens</span>
-<span id="L12" class="LineNr">12 </span>  <span class="muComment"># TODO: transform infix</span>
-<span id="L13" class="LineNr">13 </span>  <a href='parse.mu.html#L1'>parse-input</a> tokens, out, trace
-<span id="L14" class="LineNr">14 </span><span class="Delimiter">}</span>
+<span id="L2" class="LineNr"> 2 </span>  <span class="muComment"># TODO: we may be able to generate tokens lazily and drop this stream.</span>
+<span id="L3" class="LineNr"> 3 </span>  <span class="muComment"># Depends on how we implement indent-sensitivity and infix.</span>
+<span id="L4" class="LineNr"> 4 </span>  <span class="PreProc">var</span> tokens-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x400</span>)
+<span id="L5" class="LineNr"> 5 </span>  <span class="PreProc">var</span> tokens/<span class="Constant">ecx</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tokens-storage
+<span id="L6" class="LineNr"> 6 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, tokens, trace
+<span id="L7" class="LineNr"> 7 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L8" class="LineNr"> 8 </span>  compare error?, <span class="Constant">0</span>/false
+<span id="L9" class="LineNr"> 9 </span>  <span class="Delimiter">{</span>
+<span id="L10" class="LineNr">10 </span>    <span class="PreProc">break-if-=</span>
+<span id="L11" class="LineNr">11 </span>    <span class="PreProc">return</span>
+<span id="L12" class="LineNr">12 </span>  <span class="Delimiter">}</span>
+<span id="L13" class="LineNr">13 </span>  <span class="muComment"># TODO: insert parens</span>
+<span id="L14" class="LineNr">14 </span>  <span class="muComment"># TODO: transform infix</span>
+<span id="L15" class="LineNr">15 </span>  <a href='parse.mu.html#L1'>parse-input</a> tokens, out, trace
+<span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/sandbox.mu.html b/html/shell/sandbox.mu.html
index cbdc7c9f..59e674c7 100644
--- a/html/shell/sandbox.mu.html
+++ b/html/shell/sandbox.mu.html
@@ -58,906 +58,1084 @@ if ('onhashchange' in window) {
 <body onload='JumpToLine();'>
 <a href='https://github.com/akkartik/mu/blob/main/shell/sandbox.mu'>https://github.com/akkartik/mu/blob/main/shell/sandbox.mu</a>
 <pre id='vimCodeElement'>
-<span id="L1" class="LineNr">  1 </span><span class="PreProc">type</span> <a href='sandbox.mu.html#L1'>sandbox</a> <span class="Delimiter">{</span>
-<span id="L2" class="LineNr">  2 </span>  data: (handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>)
-<span id="L3" class="LineNr">  3 </span>  value: (handle stream byte)
-<span id="L4" class="LineNr">  4 </span>  screen-var: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L5" class="LineNr">  5 </span>  keyboard-var: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L6" class="LineNr">  6 </span>  trace: (handle trace)
-<span id="L7" class="LineNr">  7 </span>  cursor-in-data?: boolean
-<span id="L8" class="LineNr">  8 </span>  cursor-in-keyboard?: boolean
-<span id="L9" class="LineNr">  9 </span>  cursor-in-trace?: boolean
-<span id="L10" class="LineNr"> 10 </span><span class="Delimiter">}</span>
-<span id="L11" class="LineNr"> 11 </span>
-<span id="L12" class="LineNr"> 12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L12'>initialize-sandbox</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), fake-screen-and-keyboard?: boolean <span class="Delimiter">{</span>
-<span id="L13" class="LineNr"> 13 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L14" class="LineNr"> 14 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L15" class="LineNr"> 15 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> data-ah
-<span id="L16" class="LineNr"> 16 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L17" class="LineNr"> 17 </span>  <a href='gap-buffer.mu.html#L11'>initialize-gap-buffer</a> data, <span class="Constant">0x1000</span>/4KB
-<span id="L18" class="LineNr"> 18 </span>  <span class="muComment">#</span>
-<span id="L19" class="LineNr"> 19 </span>  <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
-<span id="L20" class="LineNr"> 20 </span>  populate-stream value-ah, <span class="Constant">0x1000</span>/4KB
-<span id="L21" class="LineNr"> 21 </span>  <span class="muComment">#</span>
-<span id="L22" class="LineNr"> 22 </span>  <span class="Delimiter">{</span>
-<span id="L23" class="LineNr"> 23 </span>    compare fake-screen-and-keyboard?, <span class="Constant">0</span>/false
-<span id="L24" class="LineNr"> 24 </span>    <span class="PreProc">break-if-=</span>
-<span id="L25" class="LineNr"> 25 </span>    <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
-<span id="L26" class="LineNr"> 26 </span>    <a href='cell.mu.html#L154'>new-fake-screen</a> screen-ah, <span class="Constant">8</span>/width, <span class="Constant">3</span>/height, <span class="Constant">1</span>/enable-pixel-graphics
-<span id="L27" class="LineNr"> 27 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
-<span id="L28" class="LineNr"> 28 </span>    <a href='cell.mu.html#L185'>new-fake-keyboard</a> keyboard-ah, <span class="Constant">0x10</span>/keyboard-capacity
-<span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
-<span id="L30" class="LineNr"> 30 </span>  <span class="muComment">#</span>
-<span id="L31" class="LineNr"> 31 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L32" class="LineNr"> 32 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> trace-ah
-<span id="L33" class="LineNr"> 33 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L34" class="LineNr"> 34 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> trace, <span class="Constant">0x8000</span>/lines, <span class="Constant">0x80</span>/visible-lines
-<span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L36" class="LineNr"> 36 </span>  copy-to *cursor-in-data?, <span class="Constant">1</span>/true
-<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
-<span id="L38" class="LineNr"> 38 </span>
-<span id="L39" class="LineNr"> 39 </span><span class="muComment">## some helpers for tests</span>
-<span id="L40" class="LineNr"> 40 </span>
-<span id="L41" class="LineNr"> 41 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L41'>initialize-sandbox-with</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), s: (addr array byte) <span class="Delimiter">{</span>
-<span id="L42" class="LineNr"> 42 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L43" class="LineNr"> 43 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L44" class="LineNr"> 44 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> data-ah
-<span id="L45" class="LineNr"> 45 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L46" class="LineNr"> 46 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> data, s
-<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
-<span id="L48" class="LineNr"> 48 </span>  populate-stream value-ah, <span class="Constant">0x1000</span>/4KB
-<span id="L49" class="LineNr"> 49 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L50" class="LineNr"> 50 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> trace-ah
-<span id="L51" class="LineNr"> 51 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L52" class="LineNr"> 52 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> trace, <span class="Constant">0x8000</span>/lines, <span class="Constant">0x80</span>/visible-lines
-<span id="L53" class="LineNr"> 53 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L54" class="LineNr"> 54 </span>  copy-to *cursor-in-data?, <span class="Constant">1</span>/true
-<span id="L55" class="LineNr"> 55 </span><span class="Delimiter">}</span>
-<span id="L56" class="LineNr"> 56 </span>
-<span id="L57" class="LineNr"> 57 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L57'>allocate-sandbox-with</a></span> _out: (addr handle <a href='sandbox.mu.html#L1'>sandbox</a>), s: (addr array byte) <span class="Delimiter">{</span>
-<span id="L58" class="LineNr"> 58 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L59" class="LineNr"> 59 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> out
-<span id="L60" class="LineNr"> 60 </span>  <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
-<span id="L61" class="LineNr"> 61 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> out-addr, s
-<span id="L62" class="LineNr"> 62 </span><span class="Delimiter">}</span>
-<span id="L63" class="LineNr"> 63 </span>
-<span id="L64" class="LineNr"> 64 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L64'>write-sandbox</a></span> out: (addr stream byte), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L67" class="LineNr"> 67 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L68" class="LineNr"> 68 </span>  <span class="Delimiter">{</span>
-<span id="L69" class="LineNr"> 69 </span>    <span class="PreProc">var</span> len/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L163'>gap-buffer-length</a> data
-<span id="L70" class="LineNr"> 70 </span>    compare len, <span class="Constant">0</span>
-<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L72" class="LineNr"> 72 </span>    <span class="PreProc">return</span>
-<span id="L73" class="LineNr"> 73 </span>  <span class="Delimiter">}</span>
-<span id="L74" class="LineNr"> 74 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;  (<a href='sandbox.mu.html#L1'>sandbox</a> . &quot;</span>
-<span id="L75" class="LineNr"> 75 </span>  <a href='gap-buffer.mu.html#L76'>append-gap-buffer</a> data, out
-<span id="L76" class="LineNr"> 76 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;)\n&quot;</span>
-<span id="L77" class="LineNr"> 77 </span><span class="Delimiter">}</span>
-<span id="L78" class="LineNr"> 78 </span>
-<span id="L79" class="LineNr"> 79 </span><span class="muComment">##</span>
-<span id="L80" class="LineNr"> 80 </span>
-<span id="L81" class="LineNr"> 81 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L81'>render-sandbox</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
-<span id="L82" class="LineNr"> 82 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin, xmax, ymax, <span class="Constant">0xc5</span>/bg=blue-bg=black
-<span id="L83" class="LineNr"> 83 </span>  add-to xmin, <span class="Constant">1</span>/padding-left
-<span id="L84" class="LineNr"> 84 </span>  add-to ymin, <span class="Constant">1</span>/padding-top
-<span id="L85" class="LineNr"> 85 </span>  subtract-from xmax, <span class="Constant">1</span>/padding-right
-<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L87" class="LineNr"> 87 </span>  <span class="muComment"># data</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L89" class="LineNr"> 89 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L90" class="LineNr"> 90 </span>  <span class="PreProc">var</span> data/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
-<span id="L91" class="LineNr"> 91 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L92" class="LineNr"> 92 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L93" class="LineNr"> 93 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L160'>maybe-render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
-<span id="L94" class="LineNr"> 94 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L346'>maybe-render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
-<span id="L95" class="LineNr"> 95 </span>  <span class="PreProc">var</span> cursor-in-sandbox?/<span class="Constant">ebx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L96" class="LineNr"> 96 </span>  x, y <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L123'>render-gap-buffer-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, x, y, xmax, ymax, *cursor-in-sandbox?, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L97" class="LineNr"> 97 </span>  y <span class="Special">&lt;-</span> increment
-<span id="L98" class="LineNr"> 98 </span>  <span class="muComment"># trace</span>
-<span id="L99" class="LineNr"> 99 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L100" class="LineNr">100 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
-<span id="L102" class="LineNr">102 </span>  <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
-<span id="L103" class="LineNr">103 </span>  y <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, trace, xmin, y, xmax, ymax, *cursor-in-trace?
-<span id="L104" class="LineNr">104 </span>  <span class="muComment"># value</span>
-<span id="L105" class="LineNr">105 </span>  $render-sandbox:value: <span class="Delimiter">{</span>
-<span id="L106" class="LineNr">106 </span>    <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
-<span id="L107" class="LineNr">107 </span>    <span class="PreProc">var</span> _value/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-ah
-<span id="L108" class="LineNr">108 </span>    <span class="PreProc">var</span> value/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _value
-<span id="L109" class="LineNr">109 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> value
-<span id="L110" class="LineNr">110 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> value
-<span id="L111" class="LineNr">111 </span>    compare done?, <span class="Constant">0</span>/false
-<span id="L112" class="LineNr">112 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L113" class="LineNr">113 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L114" class="LineNr">114 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;=&gt; &quot;</span>, xmin, y, xmax, ymax, xmin, y, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L115" class="LineNr">115 </span>    <span class="PreProc">var</span> x2/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L116" class="LineNr">116 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L111'>draw-stream-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, value, x2, xmax, y, <span class="Constant">7</span>/fg=grey, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L117" class="LineNr">117 </span>  <span class="Delimiter">}</span>
-<span id="L118" class="LineNr">118 </span>  y <span class="Special">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># padding</span>
-<span id="L119" class="LineNr">119 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L184'>maybe-render-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
-<span id="L120" class="LineNr">120 </span>  <span class="muComment"># render menu</span>
-<span id="L121" class="LineNr">121 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L122" class="LineNr">122 </span>  compare *cursor-in-data?, <span class="Constant">0</span>/false
-<span id="L123" class="LineNr">123 </span>  <span class="Delimiter">{</span>
-<span id="L124" class="LineNr">124 </span>    <span class="PreProc">break-if-=</span>
-<span id="L125" class="LineNr">125 </span>    <a href='sandbox.mu.html#L402'>render-sandbox-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
-<span id="L126" class="LineNr">126 </span>    <span class="PreProc">return</span>
-<span id="L127" class="LineNr">127 </span>  <span class="Delimiter">}</span>
-<span id="L128" class="LineNr">128 </span>  <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
-<span id="L129" class="LineNr">129 </span>  compare *cursor-in-trace?, <span class="Constant">0</span>/false
-<span id="L130" class="LineNr">130 </span>  <span class="Delimiter">{</span>
-<span id="L131" class="LineNr">131 </span>    <span class="PreProc">break-if-=</span>
-<span id="L132" class="LineNr">132 </span>    <a href='trace.mu.html#L712'>render-trace-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L133" class="LineNr">133 </span>    <span class="PreProc">return</span>
-<span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
-<span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L136" class="LineNr">136 </span>  compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
-<span id="L137" class="LineNr">137 </span>  <span class="Delimiter">{</span>
-<span id="L138" class="LineNr">138 </span>    <span class="PreProc">break-if-=</span>
-<span id="L139" class="LineNr">139 </span>    <a href='sandbox.mu.html#L441'>render-keyboard-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L140" class="LineNr">140 </span>    <span class="PreProc">return</span>
-<span id="L141" class="LineNr">141 </span>  <span class="Delimiter">}</span>
-<span id="L142" class="LineNr">142 </span><span class="Delimiter">}</span>
-<span id="L143" class="LineNr">143 </span>
-<span id="L144" class="LineNr">144 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L144'>clear-sandbox-output</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
-<span id="L145" class="LineNr">145 </span>  <span class="muComment"># render just enough of the sandbox to figure out what to erase</span>
-<span id="L146" class="LineNr">146 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L148" class="LineNr">148 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L149" class="LineNr">149 </span>  <span class="PreProc">var</span> data/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
-<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L151" class="LineNr">151 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L152" class="LineNr">152 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L160'>maybe-render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
-<span id="L153" class="LineNr">153 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L346'>maybe-render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
-<span id="L154" class="LineNr">154 </span>  <span class="PreProc">var</span> cursor-in-sandbox?/<span class="Constant">ebx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L155" class="LineNr">155 </span>  x, y <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L123'>render-gap-buffer-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, x, y, xmax, ymax, *cursor-in-sandbox?, <span class="Constant">3</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L156" class="LineNr">156 </span>  y <span class="Special">&lt;-</span> increment
-<span id="L157" class="LineNr">157 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, y, xmax, ymax, <span class="Constant">0xc5</span>/bg=blue-bg=black
-<span id="L158" class="LineNr">158 </span><span class="Delimiter">}</span>
-<span id="L159" class="LineNr">159 </span>
-<span id="L160" class="LineNr">160 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L160'>maybe-render-empty-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L161" class="LineNr">161 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L162" class="LineNr">162 </span>  <span class="PreProc">var</span> screen-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
-<span id="L163" class="LineNr">163 </span>  <span class="PreProc">var</span> screen-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-cell-ah
-<span id="L164" class="LineNr">164 </span>  compare screen-obj-cell, <span class="Constant">0</span>
-<span id="L165" class="LineNr">165 </span>  <span class="Delimiter">{</span>
-<span id="L166" class="LineNr">166 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L167" class="LineNr">167 </span>    <span class="PreProc">return</span> ymin
-<span id="L168" class="LineNr">168 </span>  <span class="Delimiter">}</span>
-<span id="L169" class="LineNr">169 </span>  <span class="PreProc">var</span> screen-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get screen-obj-cell, <span class="PreProc">type</span>
-<span id="L170" class="LineNr">170 </span>  compare *screen-obj-cell-type, <span class="Constant">5</span>/screen
-<span id="L171" class="LineNr">171 </span>  <span class="Delimiter">{</span>
-<span id="L172" class="LineNr">172 </span>    <span class="PreProc">break-if-=</span>
-<span id="L173" class="LineNr">173 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the screen</span>
-<span id="L174" class="LineNr">174 </span>  <span class="Delimiter">}</span>
-<span id="L175" class="LineNr">175 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L176" class="LineNr">176 </span>  <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-obj-cell, screen-data
-<span id="L177" class="LineNr">177 </span>  <span class="PreProc">var</span> _screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
-<span id="L178" class="LineNr">178 </span>  <span class="PreProc">var</span> screen-obj/<span class="Constant">edx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen-obj
-<span id="L179" class="LineNr">179 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;screen:   &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, y, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L180" class="LineNr">180 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L214'>render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, screen-obj, x, y
-<span id="L181" class="LineNr">181 </span>  <span class="PreProc">return</span> y
-<span id="L182" class="LineNr">182 </span><span class="Delimiter">}</span>
-<span id="L183" class="LineNr">183 </span>
-<span id="L184" class="LineNr">184 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L184'>maybe-render-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L185" class="LineNr">185 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L186" class="LineNr">186 </span>  <span class="PreProc">var</span> screen-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
-<span id="L187" class="LineNr">187 </span>  <span class="PreProc">var</span> screen-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-cell-ah
-<span id="L188" class="LineNr">188 </span>  compare screen-obj-cell, <span class="Constant">0</span>
-<span id="L189" class="LineNr">189 </span>  <span class="Delimiter">{</span>
-<span id="L190" class="LineNr">190 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L191" class="LineNr">191 </span>    <span class="PreProc">return</span> ymin
-<span id="L192" class="LineNr">192 </span>  <span class="Delimiter">}</span>
-<span id="L193" class="LineNr">193 </span>  <span class="PreProc">var</span> screen-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get screen-obj-cell, <span class="PreProc">type</span>
-<span id="L194" class="LineNr">194 </span>  compare *screen-obj-cell-type, <span class="Constant">5</span>/screen
-<span id="L195" class="LineNr">195 </span>  <span class="Delimiter">{</span>
-<span id="L196" class="LineNr">196 </span>    <span class="PreProc">break-if-=</span>
-<span id="L197" class="LineNr">197 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the screen</span>
-<span id="L198" class="LineNr">198 </span>  <span class="Delimiter">}</span>
-<span id="L199" class="LineNr">199 </span>  <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-obj-cell, screen-data
-<span id="L200" class="LineNr">200 </span>  <span class="PreProc">var</span> _screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
-<span id="L201" class="LineNr">201 </span>  <span class="PreProc">var</span> screen-obj/<span class="Constant">edx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen-obj
-<span id="L202" class="LineNr">202 </span>  <span class="Delimiter">{</span>
-<span id="L203" class="LineNr">203 </span>    <span class="PreProc">var</span> screen-empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L273'>fake-screen-empty?</a> screen-obj
-<span id="L204" class="LineNr">204 </span>    compare screen-empty?, <span class="Constant">0</span>/false
-<span id="L205" class="LineNr">205 </span>    <span class="PreProc">break-if-=</span>
-<span id="L206" class="LineNr">206 </span>    <span class="PreProc">return</span> ymin
-<span id="L207" class="LineNr">207 </span>  <span class="Delimiter">}</span>
-<span id="L208" class="LineNr">208 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;screen:   &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, ymin, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L209" class="LineNr">209 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L210" class="LineNr">210 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L241'>render-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, screen-obj, x, y
-<span id="L211" class="LineNr">211 </span>  <span class="PreProc">return</span> y
-<span id="L212" class="LineNr">212 </span><span class="Delimiter">}</span>
-<span id="L213" class="LineNr">213 </span>
-<span id="L214" class="LineNr">214 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L214'>render-empty-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>  <span class="PreProc">var</span> target-screen/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target-screen
-<span id="L216" class="LineNr">216 </span>  <span class="PreProc">var</span> screen-y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L217" class="LineNr">217 </span>  <span class="muComment"># screen</span>
-<span id="L218" class="LineNr">218 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
-<span id="L219" class="LineNr">219 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L220" class="LineNr">220 </span>  <span class="Delimiter">{</span>
-<span id="L221" class="LineNr">221 </span>    compare y, *height
-<span id="L222" class="LineNr">222 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L223" class="LineNr">223 </span>    <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, screen-y
-<span id="L224" class="LineNr">224 </span>    <span class="PreProc">var</span> width/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
-<span id="L225" class="LineNr">225 </span>    <span class="PreProc">var</span> x/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L226" class="LineNr">226 </span>    <span class="Delimiter">{</span>
-<span id="L227" class="LineNr">227 </span>      compare x, *width
-<span id="L228" class="LineNr">228 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L229" class="LineNr">229 </span>      <a href='../501draw-text.mu.html#L92'>draw-code-point-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, <span class="Constant">0x18</span>/fg, <span class="Constant">0</span>/bg
-<span id="L230" class="LineNr">230 </span>      <a href='../501draw-text.mu.html#L16'>move-cursor-right</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L231" class="LineNr">231 </span>      x <span class="Special">&lt;-</span> increment
-<span id="L232" class="LineNr">232 </span>      <span class="PreProc">loop</span>
-<span id="L233" class="LineNr">233 </span>    <span class="Delimiter">}</span>
-<span id="L234" class="LineNr">234 </span>    y <span class="Special">&lt;-</span> increment
-<span id="L235" class="LineNr">235 </span>    screen-y <span class="Special">&lt;-</span> increment
-<span id="L236" class="LineNr">236 </span>    <span class="PreProc">loop</span>
-<span id="L237" class="LineNr">237 </span>  <span class="Delimiter">}</span>
-<span id="L238" class="LineNr">238 </span>  <span class="PreProc">return</span> screen-y
-<span id="L239" class="LineNr">239 </span><span class="Delimiter">}</span>
-<span id="L240" class="LineNr">240 </span>
-<span id="L241" class="LineNr">241 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L241'>render-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L242" class="LineNr">242 </span>  <span class="PreProc">var</span> target-screen/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target-screen
-<span id="L243" class="LineNr">243 </span>  <span class="PreProc">var</span> screen-y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L244" class="LineNr">244 </span>  <span class="muComment"># text data</span>
-<span id="L245" class="LineNr">245 </span>  <span class="Delimiter">{</span>
-<span id="L246" class="LineNr">246 </span>    <span class="PreProc">var</span> height/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
-<span id="L247" class="LineNr">247 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L248" class="LineNr">248 </span>    <span class="Delimiter">{</span>
-<span id="L249" class="LineNr">249 </span>      compare y, *height
-<span id="L250" class="LineNr">250 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L251" class="LineNr">251 </span>      <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, screen-y
-<span id="L252" class="LineNr">252 </span>      <span class="PreProc">var</span> width/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
-<span id="L253" class="LineNr">253 </span>      <span class="PreProc">var</span> x/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L254" class="LineNr">254 </span>      <span class="Delimiter">{</span>
-<span id="L255" class="LineNr">255 </span>        compare x, *width
-<span id="L256" class="LineNr">256 </span>        <span class="PreProc">break-if-&gt;=</span>
-<span id="L257" class="LineNr">257 </span>        <a href='sandbox.mu.html#L389'>print-screen-cell-of-fake-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, target-screen, x, y
-<span id="L258" class="LineNr">258 </span>        <a href='../501draw-text.mu.html#L16'>move-cursor-right</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L259" class="LineNr">259 </span>        x <span class="Special">&lt;-</span> increment
-<span id="L260" class="LineNr">260 </span>        <span class="PreProc">loop</span>
-<span id="L261" class="LineNr">261 </span>      <span class="Delimiter">}</span>
-<span id="L262" class="LineNr">262 </span>      y <span class="Special">&lt;-</span> increment
-<span id="L263" class="LineNr">263 </span>      screen-y <span class="Special">&lt;-</span> increment
-<span id="L264" class="LineNr">264 </span>      <span class="PreProc">loop</span>
-<span id="L265" class="LineNr">265 </span>    <span class="Delimiter">}</span>
-<span id="L266" class="LineNr">266 </span>  <span class="Delimiter">}</span>
-<span id="L267" class="LineNr">267 </span>  <span class="muComment"># pixel data</span>
-<span id="L268" class="LineNr">268 </span>  <span class="Delimiter">{</span>
-<span id="L269" class="LineNr">269 </span>    <span class="muComment"># screen top left pixels x y width height</span>
-<span id="L270" class="LineNr">270 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L271" class="LineNr">271 </span>    tmp <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L272" class="LineNr">272 </span>    <span class="PreProc">var</span> left: int
-<span id="L273" class="LineNr">273 </span>    copy-to left, tmp
-<span id="L274" class="LineNr">274 </span>    tmp <span class="Special">&lt;-</span> copy ymin
-<span id="L275" class="LineNr">275 </span>    tmp <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L276" class="LineNr">276 </span>    <span class="PreProc">var</span> top: int
-<span id="L277" class="LineNr">277 </span>    copy-to top, tmp
-<span id="L278" class="LineNr">278 </span>    <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get target-screen, pixels
-<span id="L279" class="LineNr">279 </span>    <span class="PreProc">var</span> _pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *pixels-ah
-<span id="L280" class="LineNr">280 </span>    <span class="PreProc">var</span> pixels/<span class="Constant">edi</span>: (addr array byte) <span class="Special">&lt;-</span> copy _pixels
-<span id="L281" class="LineNr">281 </span>    compare pixels, <span class="Constant">0</span>
-<span id="L282" class="LineNr">282 </span>    <span class="PreProc">break-if-=</span>
-<span id="L283" class="LineNr">283 </span>    <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L284" class="LineNr">284 </span>    <span class="PreProc">var</span> height-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
-<span id="L285" class="LineNr">285 </span>    <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *height-addr
-<span id="L286" class="LineNr">286 </span>    height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
-<span id="L287" class="LineNr">287 </span>    <span class="Delimiter">{</span>
-<span id="L288" class="LineNr">288 </span>      compare y, height
-<span id="L289" class="LineNr">289 </span>      <span class="PreProc">break-if-&gt;=</span>
-<span id="L290" class="LineNr">290 </span>      <span class="PreProc">var</span> width-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
-<span id="L291" class="LineNr">291 </span>      <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-addr
-<span id="L292" class="LineNr">292 </span>      width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
-<span id="L293" class="LineNr">293 </span>      <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L294" class="LineNr">294 </span>      <span class="Delimiter">{</span>
-<span id="L295" class="LineNr">295 </span>        compare x, width
-<span id="L296" class="LineNr">296 </span>        <span class="PreProc">break-if-&gt;=</span>
-<span id="L297" class="LineNr">297 </span>        <span class="Delimiter">{</span>
-<span id="L298" class="LineNr">298 </span>          <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L484'>pixel-index</a> target-screen, x, y
-<span id="L299" class="LineNr">299 </span>          <span class="PreProc">var</span> color-addr/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
-<span id="L300" class="LineNr">300 </span>          <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
-<span id="L301" class="LineNr">301 </span>          <span class="PreProc">var</span> color2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy color
-<span id="L302" class="LineNr">302 </span>          compare color2, <span class="Constant">0</span>
-<span id="L303" class="LineNr">303 </span>          <span class="PreProc">break-if-=</span>
-<span id="L304" class="LineNr">304 </span>          <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L305" class="LineNr">305 </span>          x2 <span class="Special">&lt;-</span> add left
-<span id="L306" class="LineNr">306 </span>          <span class="PreProc">var</span> y2/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L307" class="LineNr">307 </span>          y2 <span class="Special">&lt;-</span> add top
-<span id="L308" class="LineNr">308 </span>          <a href='../500fake-screen.mu.html#L462'>pixel</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x2, y2, color2
-<span id="L309" class="LineNr">309 </span>        <span class="Delimiter">}</span>
-<span id="L310" class="LineNr">310 </span>        x <span class="Special">&lt;-</span> increment
-<span id="L311" class="LineNr">311 </span>        <span class="PreProc">loop</span>
-<span id="L312" class="LineNr">312 </span>      <span class="Delimiter">}</span>
-<span id="L313" class="LineNr">313 </span>      y <span class="Special">&lt;-</span> increment
-<span id="L314" class="LineNr">314 </span>      <span class="PreProc">loop</span>
-<span id="L315" class="LineNr">315 </span>    <span class="Delimiter">}</span>
-<span id="L316" class="LineNr">316 </span>  <span class="Delimiter">}</span>
-<span id="L317" class="LineNr">317 </span>  <span class="PreProc">return</span> screen-y
-<span id="L318" class="LineNr">318 </span><span class="Delimiter">}</span>
-<span id="L319" class="LineNr">319 </span>
-<span id="L320" class="LineNr">320 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L320'>has-keyboard?</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L321" class="LineNr">321 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L322" class="LineNr">322 </span>  <span class="PreProc">var</span> keyboard-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
-<span id="L323" class="LineNr">323 </span>  <span class="PreProc">var</span> keyboard-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-cell-ah
-<span id="L324" class="LineNr">324 </span>  compare keyboard-obj-cell, <span class="Constant">0</span>
-<span id="L325" class="LineNr">325 </span>  <span class="Delimiter">{</span>
-<span id="L326" class="LineNr">326 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L327" class="LineNr">327 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L328" class="LineNr">328 </span>  <span class="Delimiter">}</span>
-<span id="L329" class="LineNr">329 </span>  <span class="PreProc">var</span> keyboard-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-obj-cell, <span class="PreProc">type</span>
-<span id="L330" class="LineNr">330 </span>  compare *keyboard-obj-cell-type, <span class="Constant">6</span>/keyboard
-<span id="L331" class="LineNr">331 </span>  <span class="Delimiter">{</span>
-<span id="L332" class="LineNr">332 </span>    <span class="PreProc">break-if-=</span>
-<span id="L333" class="LineNr">333 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L334" class="LineNr">334 </span>  <span class="Delimiter">}</span>
-<span id="L335" class="LineNr">335 </span>  <span class="PreProc">var</span> keyboard-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-obj-cell, keyboard-data
-<span id="L336" class="LineNr">336 </span>  <span class="PreProc">var</span> _keyboard-obj/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-ah
-<span id="L337" class="LineNr">337 </span>  <span class="PreProc">var</span> keyboard-obj/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard-obj
-<span id="L338" class="LineNr">338 </span>  compare keyboard-obj, <span class="Constant">0</span>
-<span id="L339" class="LineNr">339 </span>  <span class="Delimiter">{</span>
-<span id="L340" class="LineNr">340 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L341" class="LineNr">341 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">}</span>
-<span id="L343" class="LineNr">343 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L344" class="LineNr">344 </span><span class="Delimiter">}</span>
-<span id="L345" class="LineNr">345 </span>
-<span id="L346" class="LineNr">346 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L346'>maybe-render-keyboard</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L347" class="LineNr">347 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> keyboard-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
-<span id="L349" class="LineNr">349 </span>  <span class="PreProc">var</span> keyboard-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-cell-ah
-<span id="L350" class="LineNr">350 </span>  compare keyboard-obj-cell, <span class="Constant">0</span>
-<span id="L351" class="LineNr">351 </span>  <span class="Delimiter">{</span>
-<span id="L352" class="LineNr">352 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L353" class="LineNr">353 </span>    <span class="PreProc">return</span> ymin
-<span id="L354" class="LineNr">354 </span>  <span class="Delimiter">}</span>
-<span id="L355" class="LineNr">355 </span>  <span class="PreProc">var</span> keyboard-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-obj-cell, <span class="PreProc">type</span>
-<span id="L356" class="LineNr">356 </span>  compare *keyboard-obj-cell-type, <span class="Constant">6</span>/keyboard
-<span id="L357" class="LineNr">357 </span>  <span class="Delimiter">{</span>
-<span id="L358" class="LineNr">358 </span>    <span class="PreProc">break-if-=</span>
-<span id="L359" class="LineNr">359 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the keyboard</span>
-<span id="L360" class="LineNr">360 </span>  <span class="Delimiter">}</span>
-<span id="L361" class="LineNr">361 </span>  <span class="PreProc">var</span> keyboard-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-obj-cell, keyboard-data
-<span id="L362" class="LineNr">362 </span>  <span class="PreProc">var</span> _keyboard-obj/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-ah
-<span id="L363" class="LineNr">363 </span>  <span class="PreProc">var</span> keyboard-obj/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard-obj
-<span id="L364" class="LineNr">364 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L365" class="LineNr">365 </span>  y <span class="Special">&lt;-</span> increment  <span class="muComment"># padding</span>
-<span id="L366" class="LineNr">366 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;keyboard: &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, y, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L367" class="LineNr">367 </span>  <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">esi</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L368" class="LineNr">368 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L373'>render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, keyboard-obj, x, y, *cursor-in-keyboard?
-<span id="L369" class="LineNr">369 </span>  y <span class="Special">&lt;-</span> increment  <span class="muComment"># padding</span>
-<span id="L370" class="LineNr">370 </span>  <span class="PreProc">return</span> y
-<span id="L371" class="LineNr">371 </span><span class="Delimiter">}</span>
-<span id="L372" class="LineNr">372 </span>
-<span id="L373" class="LineNr">373 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L373'>render-keyboard</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _keyboard: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), xmin: int, ymin: int, render-cursor?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L374" class="LineNr">374 </span>  <span class="PreProc">var</span> keyboard/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard
-<span id="L375" class="LineNr">375 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0x10</span>/keyboard-capacity
-<span id="L376" class="LineNr">376 </span>  <span class="PreProc">var</span> y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L377" class="LineNr">377 </span>  <span class="muComment"># keyboard</span>
-<span id="L378" class="LineNr">378 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L379" class="LineNr">379 </span>  <span class="PreProc">var</span> xmax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x
-<span id="L380" class="LineNr">380 </span>  xmax <span class="Special">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L381" class="LineNr">381 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L382" class="LineNr">382 </span>  ymax <span class="Special">&lt;-</span> add <span class="Constant">1</span>
-<span id="L383" class="LineNr">383 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x, y, xmax, ymax, <span class="Constant">0</span>/bg
-<span id="L384" class="LineNr">384 </span>  x <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L151'>render-gap-buffer</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, keyboard, x, y, render-cursor?, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
-<span id="L385" class="LineNr">385 </span>  y <span class="Special">&lt;-</span> increment
-<span id="L386" class="LineNr">386 </span>  <span class="PreProc">return</span> y
-<span id="L387" class="LineNr">387 </span><span class="Delimiter">}</span>
-<span id="L388" class="LineNr">388 </span>
-<span id="L389" class="LineNr">389 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L389'>print-screen-cell-of-fake-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), x: int, y: int <span class="Delimiter">{</span>
-<span id="L390" class="LineNr">390 </span>  <span class="PreProc">var</span> target/<span class="Constant">ecx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target
-<span id="L391" class="LineNr">391 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get target, data
-<span id="L392" class="LineNr">392 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L393" class="LineNr">393 </span>  <span class="PreProc">var</span> index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L120'>screen-cell-index</a> target, x, y
-<span id="L394" class="LineNr">394 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, index
-<span id="L395" class="LineNr">395 </span>  <span class="PreProc">var</span> src-cell/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
-<span id="L396" class="LineNr">396 </span>  <span class="PreProc">var</span> src-grapheme/<span class="Constant">eax</span>: (addr grapheme) <span class="Special">&lt;-</span> get src-cell, data
-<span id="L397" class="LineNr">397 </span>  <span class="PreProc">var</span> src-color/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get src-cell, color
-<span id="L398" class="LineNr">398 </span>  <span class="PreProc">var</span> src-background-color/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get src-cell, background-color
-<span id="L399" class="LineNr">399 </span>  <a href='../501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *src-grapheme, *src-color, *src-background-color
-<span id="L400" class="LineNr">400 </span><span class="Delimiter">}</span>
-<span id="L401" class="LineNr">401 </span>
-<span id="L402" class="LineNr">402 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L402'>render-sandbox-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
-<span id="L403" class="LineNr">403 </span>  <span class="PreProc">var</span> _width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L404" class="LineNr">404 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L405" class="LineNr">405 </span>  _width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L406" class="LineNr">406 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy _width
-<span id="L407" class="LineNr">407 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
-<span id="L408" class="LineNr">408 </span>  y <span class="Special">&lt;-</span> decrement
-<span id="L409" class="LineNr">409 </span>  <span class="PreProc">var</span> height/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L410" class="LineNr">410 </span>  height <span class="Special">&lt;-</span> increment
-<span id="L411" class="LineNr">411 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg=black
-<span id="L412" class="LineNr">412 </span>  <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
-<span id="L413" class="LineNr">413 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl+... &quot;</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L414" class="LineNr">414 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L415" class="LineNr">415 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L416" class="LineNr">416 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L417" class="LineNr">417 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L418" class="LineNr">418 </span>  $render-sandbox-menu:render-ctrl-m: <span class="Delimiter">{</span>
-<span id="L419" class="LineNr">419 </span>    <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L420" class="LineNr">420 </span>    <span class="PreProc">var</span> <a href='sandbox.mu.html#L883'>has-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L883'>has-trace?</a> self
-<span id="L421" class="LineNr">421 </span>    compare <a href='sandbox.mu.html#L883'>has-trace?</a>, <span class="Constant">0</span>/false
-<span id="L422" class="LineNr">422 </span>    <span class="Delimiter">{</span>
-<span id="L423" class="LineNr">423 </span>      <span class="PreProc">break-if-=</span>
-<span id="L424" class="LineNr">424 </span>      <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x38</span>/bg=trace
-<span id="L425" class="LineNr">425 </span>      <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to trace  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L426" class="LineNr">426 </span>      <span class="PreProc">break</span> $render-sandbox-menu:render-ctrl-m
-<span id="L427" class="LineNr">427 </span>    <span class="Delimiter">}</span>
-<span id="L428" class="LineNr">428 </span>    <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">3</span>/bg=keyboard
-<span id="L429" class="LineNr">429 </span>    <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to keyboard  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L430" class="LineNr">430 </span>  <span class="Delimiter">}</span>
-<span id="L431" class="LineNr">431 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; a &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L432" class="LineNr">432 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &lt;&lt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L433" class="LineNr">433 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; b &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L434" class="LineNr">434 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &lt;word  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L435" class="LineNr">435 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; f &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L436" class="LineNr">436 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; word&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L437" class="LineNr">437 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; e &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L438" class="LineNr">438 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &gt;&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L439" class="LineNr">439 </span><span class="Delimiter">}</span>
-<span id="L440" class="LineNr">440 </span>
-<span id="L441" class="LineNr">441 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L441'>render-keyboard-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
-<span id="L442" class="LineNr">442 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L443" class="LineNr">443 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L444" class="LineNr">444 </span>  width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L445" class="LineNr">445 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
-<span id="L446" class="LineNr">446 </span>  y <span class="Special">&lt;-</span> decrement
-<span id="L447" class="LineNr">447 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L448" class="LineNr">448 </span>  height <span class="Special">&lt;-</span> increment
-<span id="L449" class="LineNr">449 </span>  <a href='../500fake-screen.mu.html#L332'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg=black
-<span id="L450" class="LineNr">450 </span>  <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
-<span id="L451" class="LineNr">451 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl+... &quot;</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L452" class="LineNr">452 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L453" class="LineNr">453 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L454" class="LineNr">454 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L455" class="LineNr">455 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L456" class="LineNr">456 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">7</span>/bg
-<span id="L457" class="LineNr">457 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L458" class="LineNr">458 </span><span class="Delimiter">}</span>
-<span id="L459" class="LineNr">459 </span>
-<span id="L460" class="LineNr">460 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L460'>edit-sandbox</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), key: byte, globals: (addr <a href='global.mu.html#L7'>global-table</a>), data-disk: (addr disk), real-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), tweak-real-screen?: boolean <span class="Delimiter">{</span>
-<span id="L461" class="LineNr">461 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L462" class="LineNr">462 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="Special">&lt;-</span> copy key
-<span id="L463" class="LineNr">463 </span>  <span class="muComment"># ctrl-s</span>
-<span id="L464" class="LineNr">464 </span>  <span class="Delimiter">{</span>
-<span id="L465" class="LineNr">465 </span>    compare g, <span class="Constant">0x13</span>/ctrl-s
-<span id="L466" class="LineNr">466 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L467" class="LineNr">467 </span>    <span class="muComment"># minor gotcha here: any bindings created later in this iteration won't be</span>
-<span id="L468" class="LineNr">468 </span>    <span class="muComment"># persisted until the next call to ctrl-s.</span>
-<span id="L469" class="LineNr">469 </span>    <a href='main.mu.html#L147'>store-state</a> data-disk, self, globals
-<span id="L470" class="LineNr">470 </span>    <span class="muComment"># run sandbox</span>
-<span id="L471" class="LineNr">471 </span>    <span class="PreProc">var</span> data-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L472" class="LineNr">472 </span>    <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
-<span id="L473" class="LineNr">473 </span>    <span class="PreProc">var</span> _value/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-ah
-<span id="L474" class="LineNr">474 </span>    <span class="PreProc">var</span> value/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _value
-<span id="L475" class="LineNr">475 </span>    <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L476" class="LineNr">476 </span>    <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L477" class="LineNr">477 </span>    <span class="PreProc">var</span> trace/<span class="Constant">ebx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
-<span id="L478" class="LineNr">478 </span>    <a href='trace.mu.html#L45'>clear-trace</a> trace
-<span id="L479" class="LineNr">479 </span>    <span class="Delimiter">{</span>
-<span id="L480" class="LineNr">480 </span>      compare tweak-real-screen?, <span class="Constant">0</span>/false
-<span id="L481" class="LineNr">481 </span>      <span class="PreProc">break-if-=</span>
-<span id="L482" class="LineNr">482 </span>      <a href='sandbox.mu.html#L144'>clear-sandbox-output</a> real-screen, self, <span class="Constant">0x56</span>/sandbox-left-margin, <span class="Constant">1</span>/y, <span class="Constant">0x80</span>/screen-width, <span class="Constant">0x2f</span>/screen-height-without-menu
-<span id="L483" class="LineNr">483 </span>    <span class="Delimiter">}</span>
-<span id="L484" class="LineNr">484 </span>    <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
-<span id="L485" class="LineNr">485 </span>    <a href='cell.mu.html#L164'>clear-screen-cell</a> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
-<span id="L486" class="LineNr">486 </span>    <span class="PreProc">var</span> keyboard-cell/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
-<span id="L487" class="LineNr">487 </span>    <a href='cell.mu.html#L195'>rewind-keyboard-cell</a> keyboard-cell  <span class="muComment"># don't clear keys from before</span>
-<span id="L488" class="LineNr">488 </span>    <span class="Delimiter">{</span>
-<span id="L489" class="LineNr">489 </span>      compare tweak-real-screen?, <span class="Constant">0</span>/false
-<span id="L490" class="LineNr">490 </span>      <span class="PreProc">break-if-=</span>
-<span id="L491" class="LineNr">491 </span>      <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> real-screen, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y  <span class="muComment"># for any debug prints during evaluation</span>
-<span id="L492" class="LineNr">492 </span>    <span class="Delimiter">}</span>
-<span id="L493" class="LineNr">493 </span>    <a href='sandbox.mu.html#L600'>run</a> data-ah, value, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
-<span id="L494" class="LineNr">494 </span>    <span class="PreProc">return</span>
-<span id="L495" class="LineNr">495 </span>  <span class="Delimiter">}</span>
-<span id="L496" class="LineNr">496 </span>  <span class="muComment"># ctrl-m</span>
-<span id="L497" class="LineNr">497 </span>  <span class="Delimiter">{</span>
-<span id="L498" class="LineNr">498 </span>    compare g, <span class="Constant">0xd</span>/ctrl-m
-<span id="L499" class="LineNr">499 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L500" class="LineNr">500 </span>    <span class="muComment"># if cursor in data, switch to trace or fall through to keyboard</span>
-<span id="L501" class="LineNr">501 </span>    <span class="Delimiter">{</span>
-<span id="L502" class="LineNr">502 </span>      <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L503" class="LineNr">503 </span>      compare *cursor-in-data?, <span class="Constant">0</span>/false
-<span id="L504" class="LineNr">504 </span>      <span class="PreProc">break-if-=</span>
-<span id="L505" class="LineNr">505 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L883'>has-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L883'>has-trace?</a> self
-<span id="L506" class="LineNr">506 </span>      compare <a href='sandbox.mu.html#L883'>has-trace?</a>, <span class="Constant">0</span>/false
-<span id="L507" class="LineNr">507 </span>      <span class="Delimiter">{</span>
-<span id="L508" class="LineNr">508 </span>        <span class="PreProc">break-if-=</span>
-<span id="L509" class="LineNr">509 </span>        <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L510" class="LineNr">510 </span>        copy-to *cursor-in-data?, <span class="Constant">0</span>/false
-<span id="L511" class="LineNr">511 </span>        <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
-<span id="L512" class="LineNr">512 </span>        copy-to *cursor-in-trace?, <span class="Constant">1</span>/false
-<span id="L513" class="LineNr">513 </span>        <span class="PreProc">return</span>
-<span id="L514" class="LineNr">514 </span>      <span class="Delimiter">}</span>
-<span id="L515" class="LineNr">515 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L320'>has-keyboard?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L320'>has-keyboard?</a> self
-<span id="L516" class="LineNr">516 </span>      compare <a href='sandbox.mu.html#L320'>has-keyboard?</a>, <span class="Constant">0</span>/false
-<span id="L517" class="LineNr">517 </span>      <span class="Delimiter">{</span>
-<span id="L518" class="LineNr">518 </span>        <span class="PreProc">break-if-=</span>
-<span id="L519" class="LineNr">519 </span>        <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L520" class="LineNr">520 </span>        copy-to *cursor-in-data?, <span class="Constant">0</span>/false
-<span id="L521" class="LineNr">521 </span>        <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L522" class="LineNr">522 </span>        copy-to *cursor-in-keyboard?, <span class="Constant">1</span>/false
-<span id="L523" class="LineNr">523 </span>        <span class="PreProc">return</span>
-<span id="L524" class="LineNr">524 </span>      <span class="Delimiter">}</span>
-<span id="L525" class="LineNr">525 </span>      <span class="PreProc">return</span>
-<span id="L526" class="LineNr">526 </span>    <span class="Delimiter">}</span>
-<span id="L527" class="LineNr">527 </span>    <span class="muComment"># if cursor in trace, switch to keyboard or fall through to data</span>
-<span id="L528" class="LineNr">528 </span>    <span class="Delimiter">{</span>
-<span id="L529" class="LineNr">529 </span>      <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
-<span id="L530" class="LineNr">530 </span>      compare *cursor-in-trace?, <span class="Constant">0</span>/false
-<span id="L531" class="LineNr">531 </span>      <span class="PreProc">break-if-=</span>
-<span id="L532" class="LineNr">532 </span>      copy-to *cursor-in-trace?, <span class="Constant">0</span>/false
-<span id="L533" class="LineNr">533 </span>      <span class="PreProc">var</span> cursor-target/<span class="Constant">ecx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L534" class="LineNr">534 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L320'>has-keyboard?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L320'>has-keyboard?</a> self
-<span id="L535" class="LineNr">535 </span>      compare <a href='sandbox.mu.html#L320'>has-keyboard?</a>, <span class="Constant">0</span>/false
-<span id="L536" class="LineNr">536 </span>      <span class="Delimiter">{</span>
-<span id="L537" class="LineNr">537 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L538" class="LineNr">538 </span>        cursor-target <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L539" class="LineNr">539 </span>      <span class="Delimiter">}</span>
-<span id="L540" class="LineNr">540 </span>      copy-to *cursor-target, <span class="Constant">1</span>/true
-<span id="L541" class="LineNr">541 </span>      <span class="PreProc">return</span>
-<span id="L542" class="LineNr">542 </span>    <span class="Delimiter">}</span>
-<span id="L543" class="LineNr">543 </span>    <span class="muComment"># otherwise if cursor in keyboard, switch to data</span>
-<span id="L544" class="LineNr">544 </span>    <span class="Delimiter">{</span>
-<span id="L545" class="LineNr">545 </span>      <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L546" class="LineNr">546 </span>      compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
-<span id="L547" class="LineNr">547 </span>      <span class="PreProc">break-if-=</span>
-<span id="L548" class="LineNr">548 </span>      copy-to *cursor-in-keyboard?, <span class="Constant">0</span>/false
-<span id="L549" class="LineNr">549 </span>      <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L550" class="LineNr">550 </span>      copy-to *cursor-in-data?, <span class="Constant">1</span>/true
-<span id="L551" class="LineNr">551 </span>      <span class="PreProc">return</span>
-<span id="L552" class="LineNr">552 </span>    <span class="Delimiter">}</span>
-<span id="L553" class="LineNr">553 </span>    <span class="PreProc">return</span>
-<span id="L554" class="LineNr">554 </span>  <span class="Delimiter">}</span>
-<span id="L555" class="LineNr">555 </span>  <span class="muComment"># if cursor in data, send key to data</span>
-<span id="L556" class="LineNr">556 </span>  <span class="Delimiter">{</span>
-<span id="L557" class="LineNr">557 </span>    <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
-<span id="L558" class="LineNr">558 </span>    compare *cursor-in-data?, <span class="Constant">0</span>/false
-<span id="L559" class="LineNr">559 </span>    <span class="PreProc">break-if-=</span>
-<span id="L560" class="LineNr">560 </span>    <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L561" class="LineNr">561 </span>    <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L562" class="LineNr">562 </span>    <a href='gap-buffer.mu.html#L921'>edit-gap-buffer</a> data, g
-<span id="L563" class="LineNr">563 </span>    <span class="PreProc">return</span>
-<span id="L564" class="LineNr">564 </span>  <span class="Delimiter">}</span>
-<span id="L565" class="LineNr">565 </span>  <span class="muComment"># if cursor in keyboard, send key to keyboard</span>
-<span id="L566" class="LineNr">566 </span>  <span class="Delimiter">{</span>
-<span id="L567" class="LineNr">567 </span>    <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
-<span id="L568" class="LineNr">568 </span>    compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
-<span id="L569" class="LineNr">569 </span>    <span class="PreProc">break-if-=</span>
-<span id="L570" class="LineNr">570 </span>    <span class="PreProc">var</span> keyboard-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
-<span id="L571" class="LineNr">571 </span>    <span class="PreProc">var</span> keyboard-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-cell-ah
-<span id="L572" class="LineNr">572 </span>    compare keyboard-cell, <span class="Constant">0</span>
-<span id="L573" class="LineNr">573 </span>    <span class="Delimiter">{</span>
-<span id="L574" class="LineNr">574 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L575" class="LineNr">575 </span>      <span class="PreProc">return</span>
-<span id="L576" class="LineNr">576 </span>    <span class="Delimiter">}</span>
-<span id="L577" class="LineNr">577 </span>    <span class="PreProc">var</span> keyboard-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-cell, <span class="PreProc">type</span>
-<span id="L578" class="LineNr">578 </span>    compare *keyboard-cell-type, <span class="Constant">6</span>/keyboard
-<span id="L579" class="LineNr">579 </span>    <span class="Delimiter">{</span>
-<span id="L580" class="LineNr">580 </span>      <span class="PreProc">break-if-=</span>
-<span id="L581" class="LineNr">581 </span>      <span class="PreProc">return</span>
-<span id="L582" class="LineNr">582 </span>    <span class="Delimiter">}</span>
-<span id="L583" class="LineNr">583 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-cell, keyboard-data
-<span id="L584" class="LineNr">584 </span>    <span class="PreProc">var</span> keyboard/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-ah
-<span id="L585" class="LineNr">585 </span>    <a href='gap-buffer.mu.html#L921'>edit-gap-buffer</a> keyboard, g
-<span id="L586" class="LineNr">586 </span>    <span class="PreProc">return</span>
-<span id="L587" class="LineNr">587 </span>  <span class="Delimiter">}</span>
-<span id="L588" class="LineNr">588 </span>  <span class="muComment"># if cursor in trace, send key to trace</span>
-<span id="L589" class="LineNr">589 </span>  <span class="Delimiter">{</span>
-<span id="L590" class="LineNr">590 </span>    <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
-<span id="L591" class="LineNr">591 </span>    compare *cursor-in-trace?, <span class="Constant">0</span>/false
-<span id="L592" class="LineNr">592 </span>    <span class="PreProc">break-if-=</span>
-<span id="L593" class="LineNr">593 </span>    <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L594" class="LineNr">594 </span>    <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L595" class="LineNr">595 </span>    <a href='trace.mu.html#L735'>edit-trace</a> trace, g
-<span id="L596" class="LineNr">596 </span>    <span class="PreProc">return</span>
-<span id="L597" class="LineNr">597 </span>  <span class="Delimiter">}</span>
-<span id="L598" class="LineNr">598 </span><span class="Delimiter">}</span>
-<span id="L599" class="LineNr">599 </span>
-<span id="L600" class="LineNr">600 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L600'>run</a></span> _in-ah: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
-<span id="L601" class="LineNr">601 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _in-ah
-<span id="L602" class="LineNr">602 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
-<span id="L603" class="LineNr">603 </span>  <span class="PreProc">var</span> read-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L604" class="LineNr">604 </span>  <span class="PreProc">var</span> read-result-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address read-result-h
-<span id="L605" class="LineNr">605 </span>  <a href='read.mu.html#L1'>read-cell</a> in, read-result-ah, trace
-<span id="L606" class="LineNr">606 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L607" class="LineNr">607 </span>  <span class="Delimiter">{</span>
-<span id="L608" class="LineNr">608 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L609" class="LineNr">609 </span>    <span class="PreProc">break-if-=</span>
-<span id="L610" class="LineNr">610 </span>    <span class="PreProc">return</span>
-<span id="L611" class="LineNr">611 </span>  <span class="Delimiter">}</span>
-<span id="L612" class="LineNr">612 </span>  <a href='macroexpand.mu.html#L1'>macroexpand</a> read-result-ah, globals, trace
-<span id="L613" class="LineNr">613 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L614" class="LineNr">614 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
-<span id="L615" class="LineNr">615 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L616" class="LineNr">616 </span>  <span class="PreProc">var</span> eval-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L617" class="LineNr">617 </span>  <span class="PreProc">var</span> eval-result-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address eval-result-h
-<span id="L618" class="LineNr">618 </span><span class="CommentedCode">#?   set-cursor-position 0/screen, 0 0</span>
-<span id="L619" class="LineNr">619 </span><span class="CommentedCode">#?   turn-on-debug-print</span>
-<span id="L620" class="LineNr">620 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;^&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L621" class="LineNr">621 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> read-result-ah, eval-result-ah, *nil-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, <span class="Constant">1</span>/call-number
-<span id="L622" class="LineNr">622 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;$&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L623" class="LineNr">623 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L624" class="LineNr">624 </span>  <span class="Delimiter">{</span>
-<span id="L625" class="LineNr">625 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L626" class="LineNr">626 </span>    <span class="PreProc">break-if-=</span>
-<span id="L627" class="LineNr">627 </span>    <span class="PreProc">return</span>
-<span id="L628" class="LineNr">628 </span>  <span class="Delimiter">}</span>
-<span id="L629" class="LineNr">629 </span>  <span class="muComment"># if there was no error and the read-result starts with &quot;set&quot; or &quot;def&quot;, save</span>
-<span id="L630" class="LineNr">630 </span>  <span class="muComment"># the gap buffer in the modified global, then create a new one for the next</span>
-<span id="L631" class="LineNr">631 </span>  <span class="muComment"># command.</span>
-<span id="L632" class="LineNr">632 </span>  <a href='global.mu.html#L1967'>maybe-stash-gap-buffer-to-global</a> globals, read-result-ah, _in-ah
-<span id="L633" class="LineNr">633 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> out
-<span id="L634" class="LineNr">634 </span>  <a href='print.mu.html#L1'>print-cell</a> eval-result-ah, out, trace
-<span id="L635" class="LineNr">635 </span>  <a href='trace.mu.html#L345'>mark-lines-dirty</a> trace
-<span id="L636" class="LineNr">636 </span><span class="Delimiter">}</span>
-<span id="L637" class="LineNr">637 </span>
-<span id="L638" class="LineNr">638 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L638'>read-evaluate-and-move-to-globals</a></span> _in-ah: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>) <span class="Delimiter">{</span>
-<span id="L639" class="LineNr">639 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _in-ah
-<span id="L640" class="LineNr">640 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
-<span id="L641" class="LineNr">641 </span>  <span class="PreProc">var</span> read-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L642" class="LineNr">642 </span>  <span class="PreProc">var</span> read-result-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address read-result-h
-<span id="L643" class="LineNr">643 </span>  <a href='read.mu.html#L1'>read-cell</a> in, read-result-ah, <span class="Constant">0</span>/no-trace
-<span id="L644" class="LineNr">644 </span>  <a href='macroexpand.mu.html#L1'>macroexpand</a> read-result-ah, globals, <span class="Constant">0</span>/no-trace
-<span id="L645" class="LineNr">645 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L646" class="LineNr">646 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L647" class="LineNr">647 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
-<span id="L648" class="LineNr">648 </span>  <span class="PreProc">var</span> eval-result-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L649" class="LineNr">649 </span>  <span class="PreProc">var</span> eval-result/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address eval-result-storage
-<span id="L650" class="LineNr">650 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;^&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L651" class="LineNr">651 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> read-result-ah, eval-result, *nil-ah, globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen-cell, <span class="Constant">0</span>/no-keyboard-cell, <span class="Constant">1</span>/call-number
-<span id="L652" class="LineNr">652 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;$&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
-<span id="L653" class="LineNr">653 </span>  <a href='global.mu.html#L2029'>move-gap-buffer-to-global</a> globals, read-result-ah, _in-ah
-<span id="L654" class="LineNr">654 </span><span class="Delimiter">}</span>
-<span id="L655" class="LineNr">655 </span>
-<span id="L656" class="LineNr">656 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L656'>test-run-integer</a></span> <span class="Delimiter">{</span>
-<span id="L657" class="LineNr">657 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L658" class="LineNr">658 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L659" class="LineNr">659 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;1&quot;</span>
-<span id="L660" class="LineNr">660 </span>  <span class="muComment"># eval</span>
-<span id="L661" class="LineNr">661 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L662" class="LineNr">662 </span>  <span class="muComment"># setup: screen</span>
-<span id="L663" class="LineNr">663 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L664" class="LineNr">664 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L665" class="LineNr">665 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L666" class="LineNr">666 </span>  <span class="muComment">#</span>
-<span id="L667" class="LineNr">667 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L668" class="LineNr">668 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L669" class="LineNr">669 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; 1    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L656'>test-run-integer</a>/0&quot;</span>
-<span id="L670" class="LineNr">670 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L656'>test-run-integer</a>/1&quot;</span>
-<span id="L671" class="LineNr">671 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 1 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L656'>test-run-integer</a>/2&quot;</span>
-<span id="L672" class="LineNr">672 </span><span class="Delimiter">}</span>
-<span id="L673" class="LineNr">673 </span>
-<span id="L674" class="LineNr">674 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L674'>test-run-error-invalid-integer</a></span> <span class="Delimiter">{</span>
-<span id="L675" class="LineNr">675 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L676" class="LineNr">676 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L677" class="LineNr">677 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;1a&quot;</span>
-<span id="L678" class="LineNr">678 </span>  <span class="muComment"># eval</span>
-<span id="L679" class="LineNr">679 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L680" class="LineNr">680 </span>  <span class="muComment"># setup: screen</span>
-<span id="L681" class="LineNr">681 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L682" class="LineNr">682 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L683" class="LineNr">683 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L684" class="LineNr">684 </span>  <span class="muComment">#</span>
-<span id="L685" class="LineNr">685 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L686" class="LineNr">686 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L687" class="LineNr">687 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; 1a             &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L674'>test-run-error-invalid-integer</a>/0&quot;</span>
-<span id="L688" class="LineNr">688 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...            &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L674'>test-run-error-invalid-integer</a>/0&quot;</span>
-<span id="L689" class="LineNr">689 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; invalid number &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L674'>test-run-error-invalid-integer</a>/2&quot;</span>
-<span id="L690" class="LineNr">690 </span><span class="Delimiter">}</span>
-<span id="L691" class="LineNr">691 </span>
-<span id="L692" class="LineNr">692 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L692'>test-run-with-spaces</a></span> <span class="Delimiter">{</span>
-<span id="L693" class="LineNr">693 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L694" class="LineNr">694 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L695" class="LineNr">695 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot; 1 \n&quot;</span>
-<span id="L696" class="LineNr">696 </span>  <span class="muComment"># eval</span>
-<span id="L697" class="LineNr">697 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L698" class="LineNr">698 </span>  <span class="muComment"># setup: screen</span>
-<span id="L699" class="LineNr">699 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L700" class="LineNr">700 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L701" class="LineNr">701 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L702" class="LineNr">702 </span>  <span class="muComment">#</span>
-<span id="L703" class="LineNr">703 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L704" class="LineNr">704 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L705" class="LineNr">705 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;  1   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L692'>test-run-with-spaces</a>/0&quot;</span>
-<span id="L706" class="LineNr">706 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L692'>test-run-with-spaces</a>/1&quot;</span>
-<span id="L707" class="LineNr">707 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L692'>test-run-with-spaces</a>/2&quot;</span>
-<span id="L708" class="LineNr">708 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/y, <span class="Constant">&quot; =&gt; 1 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L692'>test-run-with-spaces</a>/3&quot;</span>
-<span id="L709" class="LineNr">709 </span><span class="Delimiter">}</span>
-<span id="L710" class="LineNr">710 </span>
-<span id="L711" class="LineNr">711 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L711'>test-run-quote</a></span> <span class="Delimiter">{</span>
-<span id="L712" class="LineNr">712 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L713" class="LineNr">713 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L714" class="LineNr">714 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'a&quot;</span>
-<span id="L715" class="LineNr">715 </span>  <span class="muComment"># eval</span>
-<span id="L716" class="LineNr">716 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L717" class="LineNr">717 </span>  <span class="muComment"># setup: screen</span>
-<span id="L718" class="LineNr">718 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L719" class="LineNr">719 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L720" class="LineNr">720 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L721" class="LineNr">721 </span>  <span class="muComment">#</span>
-<span id="L722" class="LineNr">722 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L723" class="LineNr">723 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L724" class="LineNr">724 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; 'a   &quot;</span>, <span class="Constant">&quot;F - test-run-quote/0&quot;</span>
-<span id="L725" class="LineNr">725 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L711'>test-run-quote</a>/1&quot;</span>
-<span id="L726" class="LineNr">726 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; a &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L711'>test-run-quote</a>/2&quot;</span>
-<span id="L727" class="LineNr">727 </span><span class="Delimiter">}</span>
-<span id="L728" class="LineNr">728 </span>
-<span id="L729" class="LineNr">729 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L729'>test-run-dotted-list</a></span> <span class="Delimiter">{</span>
-<span id="L730" class="LineNr">730 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L731" class="LineNr">731 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L732" class="LineNr">732 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . b)&quot;</span>
-<span id="L733" class="LineNr">733 </span>  <span class="muComment"># eval</span>
-<span id="L734" class="LineNr">734 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L735" class="LineNr">735 </span>  <span class="muComment"># setup: screen</span>
-<span id="L736" class="LineNr">736 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L737" class="LineNr">737 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L738" class="LineNr">738 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L739" class="LineNr">739 </span>  <span class="muComment">#</span>
-<span id="L740" class="LineNr">740 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L741" class="LineNr">741 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L742" class="LineNr">742 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . b)   &quot;</span>, <span class="Constant">&quot;F - test-run-dotted-list/0&quot;</span>
-<span id="L743" class="LineNr">743 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...        &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L729'>test-run-dotted-list</a>/1&quot;</span>
-<span id="L744" class="LineNr">744 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; (a . b) &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L729'>test-run-dotted-list</a>/2&quot;</span>
-<span id="L745" class="LineNr">745 </span><span class="Delimiter">}</span>
-<span id="L746" class="LineNr">746 </span>
-<span id="L747" class="LineNr">747 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L747'>test-run-dot-and-list</a></span> <span class="Delimiter">{</span>
-<span id="L748" class="LineNr">748 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L749" class="LineNr">749 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L750" class="LineNr">750 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . (b))&quot;</span>
-<span id="L751" class="LineNr">751 </span>  <span class="muComment"># eval</span>
-<span id="L752" class="LineNr">752 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L753" class="LineNr">753 </span>  <span class="muComment"># setup: screen</span>
-<span id="L754" class="LineNr">754 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L755" class="LineNr">755 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L756" class="LineNr">756 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L757" class="LineNr">757 </span>  <span class="muComment">#</span>
-<span id="L758" class="LineNr">758 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L759" class="LineNr">759 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L760" class="LineNr">760 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . (b)) &quot;</span>, <span class="Constant">&quot;F - test-run-dot-and-list/0&quot;</span>
-<span id="L761" class="LineNr">761 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...        &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L747'>test-run-dot-and-list</a>/1&quot;</span>
-<span id="L762" class="LineNr">762 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; (a b)   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L747'>test-run-dot-and-list</a>/2&quot;</span>
-<span id="L763" class="LineNr">763 </span><span class="Delimiter">}</span>
-<span id="L764" class="LineNr">764 </span>
-<span id="L765" class="LineNr">765 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L765'>test-run-final-dot</a></span> <span class="Delimiter">{</span>
-<span id="L766" class="LineNr">766 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L767" class="LineNr">767 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L768" class="LineNr">768 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a .)&quot;</span>
-<span id="L769" class="LineNr">769 </span>  <span class="muComment"># eval</span>
-<span id="L770" class="LineNr">770 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L771" class="LineNr">771 </span>  <span class="muComment"># setup: screen</span>
-<span id="L772" class="LineNr">772 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L773" class="LineNr">773 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L774" class="LineNr">774 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L775" class="LineNr">775 </span>  <span class="muComment">#</span>
-<span id="L776" class="LineNr">776 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L777" class="LineNr">777 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L778" class="LineNr">778 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a .)               &quot;</span>, <span class="Constant">&quot;F - test-run-final-dot/0&quot;</span>
-<span id="L779" class="LineNr">779 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L765'>test-run-final-dot</a>/1&quot;</span>
-<span id="L780" class="LineNr">780 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; '. )' makes no sense &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L765'>test-run-final-dot</a>/2&quot;</span>
-<span id="L781" class="LineNr">781 </span>  <span class="muComment"># further errors may occur</span>
-<span id="L782" class="LineNr">782 </span><span class="Delimiter">}</span>
-<span id="L783" class="LineNr">783 </span>
-<span id="L784" class="LineNr">784 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L784'>test-run-double-dot</a></span> <span class="Delimiter">{</span>
-<span id="L785" class="LineNr">785 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L786" class="LineNr">786 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L787" class="LineNr">787 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . .)&quot;</span>
-<span id="L788" class="LineNr">788 </span>  <span class="muComment"># eval</span>
-<span id="L789" class="LineNr">789 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L790" class="LineNr">790 </span>  <span class="muComment"># setup: screen</span>
-<span id="L791" class="LineNr">791 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L792" class="LineNr">792 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L793" class="LineNr">793 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L794" class="LineNr">794 </span>  <span class="muComment">#</span>
-<span id="L795" class="LineNr">795 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L796" class="LineNr">796 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L797" class="LineNr">797 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . .)             &quot;</span>, <span class="Constant">&quot;F - test-run-double-dot/0&quot;</span>
-<span id="L798" class="LineNr">798 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L784'>test-run-double-dot</a>/1&quot;</span>
-<span id="L799" class="LineNr">799 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; '. .' makes no sense &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L784'>test-run-double-dot</a>/2&quot;</span>
-<span id="L800" class="LineNr">800 </span>  <span class="muComment"># further errors may occur</span>
-<span id="L801" class="LineNr">801 </span><span class="Delimiter">}</span>
-<span id="L802" class="LineNr">802 </span>
-<span id="L803" class="LineNr">803 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L803'>test-run-multiple-expressions-after-dot</a></span> <span class="Delimiter">{</span>
-<span id="L804" class="LineNr">804 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L805" class="LineNr">805 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L806" class="LineNr">806 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . b c)&quot;</span>
-<span id="L807" class="LineNr">807 </span>  <span class="muComment"># eval</span>
-<span id="L808" class="LineNr">808 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L809" class="LineNr">809 </span>  <span class="muComment"># setup: screen</span>
-<span id="L810" class="LineNr">810 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L811" class="LineNr">811 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L812" class="LineNr">812 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L813" class="LineNr">813 </span>  <span class="muComment">#</span>
-<span id="L814" class="LineNr">814 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L815" class="LineNr">815 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L816" class="LineNr">816 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . b c)                                           &quot;</span>, <span class="Constant">&quot;F - test-run-multiple-expressions-after-dot/0&quot;</span>
-<span id="L817" class="LineNr">817 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                                                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L803'>test-run-multiple-expressions-after-dot</a>/1&quot;</span>
-<span id="L818" class="LineNr">818 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; cannot have multiple expressions between '.' and ')' &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L803'>test-run-multiple-expressions-after-dot</a>/2&quot;</span>
-<span id="L819" class="LineNr">819 </span>  <span class="muComment"># further errors may occur</span>
-<span id="L820" class="LineNr">820 </span><span class="Delimiter">}</span>
-<span id="L821" class="LineNr">821 </span>
-<span id="L822" class="LineNr">822 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L822'>test-run-stream</a></span> <span class="Delimiter">{</span>
-<span id="L823" class="LineNr">823 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L824" class="LineNr">824 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L825" class="LineNr">825 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;[a b]&quot;</span>
-<span id="L826" class="LineNr">826 </span>  <span class="muComment"># eval</span>
-<span id="L827" class="LineNr">827 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L828" class="LineNr">828 </span>  <span class="muComment"># setup: screen</span>
-<span id="L829" class="LineNr">829 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L830" class="LineNr">830 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L831" class="LineNr">831 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L832" class="LineNr">832 </span>  <span class="muComment">#</span>
-<span id="L833" class="LineNr">833 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L834" class="LineNr">834 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L835" class="LineNr">835 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; [a b]    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L822'>test-run-stream</a>/0&quot;</span>
-<span id="L836" class="LineNr">836 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...      &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L822'>test-run-stream</a>/1&quot;</span>
-<span id="L837" class="LineNr">837 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; [a b] &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L822'>test-run-stream</a>/2&quot;</span>
-<span id="L838" class="LineNr">838 </span><span class="Delimiter">}</span>
-<span id="L839" class="LineNr">839 </span>
-<span id="L840" class="LineNr">840 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a></span> <span class="Delimiter">{</span>
-<span id="L841" class="LineNr">841 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
-<span id="L842" class="LineNr">842 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
-<span id="L843" class="LineNr">843 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;12&quot;</span>
-<span id="L844" class="LineNr">844 </span>  <span class="muComment"># eval</span>
-<span id="L845" class="LineNr">845 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L846" class="LineNr">846 </span>  <span class="muComment"># setup: screen</span>
-<span id="L847" class="LineNr">847 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L848" class="LineNr">848 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L849" class="LineNr">849 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L850" class="LineNr">850 </span>  <span class="muComment">#</span>
-<span id="L851" class="LineNr">851 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L852" class="LineNr">852 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L853" class="LineNr">853 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-0&quot;</span>
-<span id="L854" class="LineNr">854 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-0/cursor&quot;</span>
-<span id="L855" class="LineNr">855 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-1&quot;</span>
-<span id="L856" class="LineNr">856 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-1/cursor&quot;</span>
-<span id="L857" class="LineNr">857 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-2&quot;</span>
-<span id="L858" class="LineNr">858 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/pre-2/cursor&quot;</span>
-<span id="L859" class="LineNr">859 </span>  <span class="muComment"># move cursor into trace</span>
-<span id="L860" class="LineNr">860 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L861" class="LineNr">861 </span>  <span class="muComment">#</span>
-<span id="L862" class="LineNr">862 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L863" class="LineNr">863 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L864" class="LineNr">864 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-0&quot;</span>
-<span id="L865" class="LineNr">865 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-0/cursor&quot;</span>
-<span id="L866" class="LineNr">866 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-1&quot;</span>
-<span id="L867" class="LineNr">867 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; |||   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-1/cursor&quot;</span>
-<span id="L868" class="LineNr">868 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-2&quot;</span>
-<span id="L869" class="LineNr">869 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/trace-2/cursor&quot;</span>
-<span id="L870" class="LineNr">870 </span>  <span class="muComment"># move cursor into input</span>
-<span id="L871" class="LineNr">871 </span>  <a href='sandbox.mu.html#L460'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
-<span id="L872" class="LineNr">872 </span>  <span class="muComment">#</span>
-<span id="L873" class="LineNr">873 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
-<span id="L874" class="LineNr">874 </span>  <span class="muComment"># skip one line of padding</span>
-<span id="L875" class="LineNr">875 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-0&quot;</span>
-<span id="L876" class="LineNr">876 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-0/cursor&quot;</span>
-<span id="L877" class="LineNr">877 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-1&quot;</span>
-<span id="L878" class="LineNr">878 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-1/cursor&quot;</span>
-<span id="L879" class="LineNr">879 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-2&quot;</span>
-<span id="L880" class="LineNr">880 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L840'>test-run-move-cursor-into-trace</a>/input-2/cursor&quot;</span>
-<span id="L881" class="LineNr">881 </span><span class="Delimiter">}</span>
-<span id="L882" class="LineNr">882 </span>
-<span id="L883" class="LineNr">883 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L883'>has-trace?</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L884" class="LineNr">884 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L885" class="LineNr">885 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
-<span id="L886" class="LineNr">886 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L887" class="LineNr">887 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
-<span id="L888" class="LineNr">888 </span>  compare trace, <span class="Constant">0</span>
-<span id="L889" class="LineNr">889 </span>  <span class="Delimiter">{</span>
-<span id="L890" class="LineNr">890 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L891" class="LineNr">891 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L892" class="LineNr">892 </span>  <span class="Delimiter">}</span>
-<span id="L893" class="LineNr">893 </span>  <span class="PreProc">var</span> first-free/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get trace, first-free
-<span id="L894" class="LineNr">894 </span>  compare *first-free, <span class="Constant">0</span>
-<span id="L895" class="LineNr">895 </span>  <span class="Delimiter">{</span>
-<span id="L896" class="LineNr">896 </span>    <span class="PreProc">break-if-&gt;</span>
-<span id="L897" class="LineNr">897 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L898" class="LineNr">898 </span>  <span class="Delimiter">}</span>
-<span id="L899" class="LineNr">899 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L900" class="LineNr">900 </span><span class="Delimiter">}</span>
+<span id="L1" class="LineNr">   1 </span><span class="PreProc">type</span> <a href='sandbox.mu.html#L1'>sandbox</a> <span class="Delimiter">{</span>
+<span id="L2" class="LineNr">   2 </span>  data: (handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>)
+<span id="L3" class="LineNr">   3 </span>  value: (handle stream byte)
+<span id="L4" class="LineNr">   4 </span>  screen-var: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L5" class="LineNr">   5 </span>  keyboard-var: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L6" class="LineNr">   6 </span>  trace: (handle trace)
+<span id="L7" class="LineNr">   7 </span>  cursor-in-data?: boolean
+<span id="L8" class="LineNr">   8 </span>  cursor-in-keyboard?: boolean
+<span id="L9" class="LineNr">   9 </span>  cursor-in-trace?: boolean
+<span id="L10" class="LineNr">  10 </span><span class="Delimiter">}</span>
+<span id="L11" class="LineNr">  11 </span>
+<span id="L12" class="LineNr">  12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L12'>initialize-sandbox</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), fake-screen-and-keyboard?: boolean <span class="Delimiter">{</span>
+<span id="L13" class="LineNr">  13 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L14" class="LineNr">  14 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L15" class="LineNr">  15 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> data-ah
+<span id="L16" class="LineNr">  16 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L17" class="LineNr">  17 </span>  <a href='gap-buffer.mu.html#L11'>initialize-gap-buffer</a> data, <span class="Constant">0x1000</span>/4KB
+<span id="L18" class="LineNr">  18 </span>  <span class="muComment">#</span>
+<span id="L19" class="LineNr">  19 </span>  <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
+<span id="L20" class="LineNr">  20 </span>  populate-stream value-ah, <span class="Constant">0x1000</span>/4KB
+<span id="L21" class="LineNr">  21 </span>  <span class="muComment">#</span>
+<span id="L22" class="LineNr">  22 </span>  <span class="Delimiter">{</span>
+<span id="L23" class="LineNr">  23 </span>    compare fake-screen-and-keyboard?, <span class="Constant">0</span>/false
+<span id="L24" class="LineNr">  24 </span>    <span class="PreProc">break-if-=</span>
+<span id="L25" class="LineNr">  25 </span>    <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
+<span id="L26" class="LineNr">  26 </span>    <a href='cell.mu.html#L154'>new-fake-screen</a> screen-ah, <span class="Constant">8</span>/width, <span class="Constant">3</span>/height, <span class="Constant">1</span>/enable-pixel-graphics
+<span id="L27" class="LineNr">  27 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
+<span id="L28" class="LineNr">  28 </span>    <a href='cell.mu.html#L185'>new-fake-keyboard</a> keyboard-ah, <span class="Constant">0x10</span>/keyboard-capacity
+<span id="L29" class="LineNr">  29 </span>  <span class="Delimiter">}</span>
+<span id="L30" class="LineNr">  30 </span>  <span class="muComment">#</span>
+<span id="L31" class="LineNr">  31 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L32" class="LineNr">  32 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> trace-ah
+<span id="L33" class="LineNr">  33 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L34" class="LineNr">  34 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">4</span>/max-depth, <span class="Constant">0x8000</span>/lines, <span class="Constant">0x80</span>/visible
+<span id="L35" class="LineNr">  35 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L36" class="LineNr">  36 </span>  copy-to *cursor-in-data?, <span class="Constant">1</span>/true
+<span id="L37" class="LineNr">  37 </span><span class="Delimiter">}</span>
+<span id="L38" class="LineNr">  38 </span>
+<span id="L39" class="LineNr">  39 </span><span class="muComment">## some helpers for tests</span>
+<span id="L40" class="LineNr">  40 </span>
+<span id="L41" class="LineNr">  41 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L41'>initialize-sandbox-with</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), s: (addr array byte) <span class="Delimiter">{</span>
+<span id="L42" class="LineNr">  42 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L43" class="LineNr">  43 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L44" class="LineNr">  44 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> data-ah
+<span id="L45" class="LineNr">  45 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L46" class="LineNr">  46 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> data, s
+<span id="L47" class="LineNr">  47 </span>  <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
+<span id="L48" class="LineNr">  48 </span>  populate-stream value-ah, <span class="Constant">0x1000</span>/4KB
+<span id="L49" class="LineNr">  49 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L50" class="LineNr">  50 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> trace-ah
+<span id="L51" class="LineNr">  51 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L52" class="LineNr">  52 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">3</span>/max-depth, <span class="Constant">0x8000</span>/lines, <span class="Constant">0x80</span>/visible
+<span id="L53" class="LineNr">  53 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L54" class="LineNr">  54 </span>  copy-to *cursor-in-data?, <span class="Constant">1</span>/true
+<span id="L55" class="LineNr">  55 </span><span class="Delimiter">}</span>
+<span id="L56" class="LineNr">  56 </span>
+<span id="L57" class="LineNr">  57 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L57'>allocate-sandbox-with</a></span> _out: (addr handle <a href='sandbox.mu.html#L1'>sandbox</a>), s: (addr array byte) <span class="Delimiter">{</span>
+<span id="L58" class="LineNr">  58 </span>  <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L59" class="LineNr">  59 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> out
+<span id="L60" class="LineNr">  60 </span>  <span class="PreProc">var</span> out-addr/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out
+<span id="L61" class="LineNr">  61 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> out-addr, s
+<span id="L62" class="LineNr">  62 </span><span class="Delimiter">}</span>
+<span id="L63" class="LineNr">  63 </span>
+<span id="L64" class="LineNr">  64 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L64'>write-sandbox</a></span> out: (addr stream byte), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
+<span id="L65" class="LineNr">  65 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L66" class="LineNr">  66 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L67" class="LineNr">  67 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L68" class="LineNr">  68 </span>  <span class="Delimiter">{</span>
+<span id="L69" class="LineNr">  69 </span>    <span class="PreProc">var</span> len/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L163'>gap-buffer-length</a> data
+<span id="L70" class="LineNr">  70 </span>    compare len, <span class="Constant">0</span>
+<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L72" class="LineNr">  72 </span>    <span class="PreProc">return</span>
+<span id="L73" class="LineNr">  73 </span>  <span class="Delimiter">}</span>
+<span id="L74" class="LineNr">  74 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;  (<a href='sandbox.mu.html#L1'>sandbox</a> . &quot;</span>
+<span id="L75" class="LineNr">  75 </span>  <a href='gap-buffer.mu.html#L76'>append-gap-buffer</a> data, out
+<span id="L76" class="LineNr">  76 </span>  <a href='../108write.subx.html#L11'>write</a> out, <span class="Constant">&quot;)\n&quot;</span>
+<span id="L77" class="LineNr">  77 </span><span class="Delimiter">}</span>
+<span id="L78" class="LineNr">  78 </span>
+<span id="L79" class="LineNr">  79 </span><span class="muComment">##</span>
+<span id="L80" class="LineNr">  80 </span>
+<span id="L81" class="LineNr">  81 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L81'>render-sandbox</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
+<span id="L82" class="LineNr">  82 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin, xmax, ymax, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L83" class="LineNr">  83 </span>  add-to xmin, <span class="Constant">1</span>/padding-left
+<span id="L84" class="LineNr">  84 </span>  add-to ymin, <span class="Constant">1</span>/padding-top
+<span id="L85" class="LineNr">  85 </span>  subtract-from xmax, <span class="Constant">1</span>/padding-right
+<span id="L86" class="LineNr">  86 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L87" class="LineNr">  87 </span>  <span class="muComment"># data</span>
+<span id="L88" class="LineNr">  88 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L89" class="LineNr">  89 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L90" class="LineNr">  90 </span>  <span class="PreProc">var</span> data/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
+<span id="L91" class="LineNr">  91 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L92" class="LineNr">  92 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L93" class="LineNr">  93 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L162'>maybe-render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
+<span id="L94" class="LineNr">  94 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L348'>maybe-render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
+<span id="L95" class="LineNr">  95 </span>  <span class="PreProc">var</span> cursor-in-sandbox?/<span class="Constant">ebx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L96" class="LineNr">  96 </span>  x, y <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L123'>render-gap-buffer-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, x, y, xmax, ymax, *cursor-in-sandbox?, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L97" class="LineNr">  97 </span>  y <span class="Special">&lt;-</span> increment
+<span id="L98" class="LineNr">  98 </span>  <span class="muComment"># trace</span>
+<span id="L99" class="LineNr">  99 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L100" class="LineNr"> 100 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L101" class="LineNr"> 101 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
+<span id="L102" class="LineNr"> 102 </span>  <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L103" class="LineNr"> 103 </span>  y <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, trace, xmin, y, xmax, ymax, *cursor-in-trace?
+<span id="L104" class="LineNr"> 104 </span>  <span class="muComment"># value</span>
+<span id="L105" class="LineNr"> 105 </span>  $render-sandbox:value: <span class="Delimiter">{</span>
+<span id="L106" class="LineNr"> 106 </span>    compare y, ymax
+<span id="L107" class="LineNr"> 107 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L108" class="LineNr"> 108 </span>    <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
+<span id="L109" class="LineNr"> 109 </span>    <span class="PreProc">var</span> _value/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-ah
+<span id="L110" class="LineNr"> 110 </span>    <span class="PreProc">var</span> value/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _value
+<span id="L111" class="LineNr"> 111 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> value
+<span id="L112" class="LineNr"> 112 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> value
+<span id="L113" class="LineNr"> 113 </span>    compare done?, <span class="Constant">0</span>/false
+<span id="L114" class="LineNr"> 114 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L115" class="LineNr"> 115 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L116" class="LineNr"> 116 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;=&gt; &quot;</span>, xmin, y, xmax, ymax, xmin, y, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L117" class="LineNr"> 117 </span>    <span class="PreProc">var</span> x2/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L118" class="LineNr"> 118 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L111'>draw-stream-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, value, x2, xmax, y, <span class="Constant">7</span>/fg=grey, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L119" class="LineNr"> 119 </span>  <span class="Delimiter">}</span>
+<span id="L120" class="LineNr"> 120 </span>  y <span class="Special">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># padding</span>
+<span id="L121" class="LineNr"> 121 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L186'>maybe-render-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
+<span id="L122" class="LineNr"> 122 </span>  <span class="muComment"># render menu</span>
+<span id="L123" class="LineNr"> 123 </span>  <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L124" class="LineNr"> 124 </span>  compare *cursor-in-data?, <span class="Constant">0</span>/false
+<span id="L125" class="LineNr"> 125 </span>  <span class="Delimiter">{</span>
+<span id="L126" class="LineNr"> 126 </span>    <span class="PreProc">break-if-=</span>
+<span id="L127" class="LineNr"> 127 </span>    <a href='sandbox.mu.html#L404'>render-sandbox-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
+<span id="L128" class="LineNr"> 128 </span>    <span class="PreProc">return</span>
+<span id="L129" class="LineNr"> 129 </span>  <span class="Delimiter">}</span>
+<span id="L130" class="LineNr"> 130 </span>  <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L131" class="LineNr"> 131 </span>  compare *cursor-in-trace?, <span class="Constant">0</span>/false
+<span id="L132" class="LineNr"> 132 </span>  <span class="Delimiter">{</span>
+<span id="L133" class="LineNr"> 133 </span>    <span class="PreProc">break-if-=</span>
+<span id="L134" class="LineNr"> 134 </span>    <a href='trace.mu.html#L875'>render-trace-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L135" class="LineNr"> 135 </span>    <span class="PreProc">return</span>
+<span id="L136" class="LineNr"> 136 </span>  <span class="Delimiter">}</span>
+<span id="L137" class="LineNr"> 137 </span>  <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L138" class="LineNr"> 138 </span>  compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
+<span id="L139" class="LineNr"> 139 </span>  <span class="Delimiter">{</span>
+<span id="L140" class="LineNr"> 140 </span>    <span class="PreProc">break-if-=</span>
+<span id="L141" class="LineNr"> 141 </span>    <a href='sandbox.mu.html#L443'>render-keyboard-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L142" class="LineNr"> 142 </span>    <span class="PreProc">return</span>
+<span id="L143" class="LineNr"> 143 </span>  <span class="Delimiter">}</span>
+<span id="L144" class="LineNr"> 144 </span><span class="Delimiter">}</span>
+<span id="L145" class="LineNr"> 145 </span>
+<span id="L146" class="LineNr"> 146 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L146'>clear-sandbox-output</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
+<span id="L147" class="LineNr"> 147 </span>  <span class="muComment"># render just enough of the sandbox to figure out what to erase</span>
+<span id="L148" class="LineNr"> 148 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L149" class="LineNr"> 149 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L150" class="LineNr"> 150 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L151" class="LineNr"> 151 </span>  <span class="PreProc">var</span> data/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _data
+<span id="L152" class="LineNr"> 152 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L153" class="LineNr"> 153 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L154" class="LineNr"> 154 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L162'>maybe-render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
+<span id="L155" class="LineNr"> 155 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L348'>maybe-render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self, xmin, y
+<span id="L156" class="LineNr"> 156 </span>  <span class="PreProc">var</span> cursor-in-sandbox?/<span class="Constant">ebx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L157" class="LineNr"> 157 </span>  x, y <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L123'>render-gap-buffer-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, x, y, xmax, ymax, *cursor-in-sandbox?, <span class="Constant">3</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L158" class="LineNr"> 158 </span>  y <span class="Special">&lt;-</span> increment
+<span id="L159" class="LineNr"> 159 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, y, xmax, ymax, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L160" class="LineNr"> 160 </span><span class="Delimiter">}</span>
+<span id="L161" class="LineNr"> 161 </span>
+<span id="L162" class="LineNr"> 162 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L162'>maybe-render-empty-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L163" class="LineNr"> 163 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L164" class="LineNr"> 164 </span>  <span class="PreProc">var</span> screen-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
+<span id="L165" class="LineNr"> 165 </span>  <span class="PreProc">var</span> screen-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-cell-ah
+<span id="L166" class="LineNr"> 166 </span>  compare screen-obj-cell, <span class="Constant">0</span>
+<span id="L167" class="LineNr"> 167 </span>  <span class="Delimiter">{</span>
+<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L169" class="LineNr"> 169 </span>    <span class="PreProc">return</span> ymin
+<span id="L170" class="LineNr"> 170 </span>  <span class="Delimiter">}</span>
+<span id="L171" class="LineNr"> 171 </span>  <span class="PreProc">var</span> screen-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get screen-obj-cell, <span class="PreProc">type</span>
+<span id="L172" class="LineNr"> 172 </span>  compare *screen-obj-cell-type, <span class="Constant">5</span>/screen
+<span id="L173" class="LineNr"> 173 </span>  <span class="Delimiter">{</span>
+<span id="L174" class="LineNr"> 174 </span>    <span class="PreProc">break-if-=</span>
+<span id="L175" class="LineNr"> 175 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the screen</span>
+<span id="L176" class="LineNr"> 176 </span>  <span class="Delimiter">}</span>
+<span id="L177" class="LineNr"> 177 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L178" class="LineNr"> 178 </span>  <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-obj-cell, screen-data
+<span id="L179" class="LineNr"> 179 </span>  <span class="PreProc">var</span> _screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
+<span id="L180" class="LineNr"> 180 </span>  <span class="PreProc">var</span> screen-obj/<span class="Constant">edx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen-obj
+<span id="L181" class="LineNr"> 181 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;screen:   &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, y, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L182" class="LineNr"> 182 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L216'>render-empty-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, screen-obj, x, y
+<span id="L183" class="LineNr"> 183 </span>  <span class="PreProc">return</span> y
+<span id="L184" class="LineNr"> 184 </span><span class="Delimiter">}</span>
+<span id="L185" class="LineNr"> 185 </span>
+<span id="L186" class="LineNr"> 186 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L186'>maybe-render-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L187" class="LineNr"> 187 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L188" class="LineNr"> 188 </span>  <span class="PreProc">var</span> screen-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
+<span id="L189" class="LineNr"> 189 </span>  <span class="PreProc">var</span> screen-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-cell-ah
+<span id="L190" class="LineNr"> 190 </span>  compare screen-obj-cell, <span class="Constant">0</span>
+<span id="L191" class="LineNr"> 191 </span>  <span class="Delimiter">{</span>
+<span id="L192" class="LineNr"> 192 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L193" class="LineNr"> 193 </span>    <span class="PreProc">return</span> ymin
+<span id="L194" class="LineNr"> 194 </span>  <span class="Delimiter">}</span>
+<span id="L195" class="LineNr"> 195 </span>  <span class="PreProc">var</span> screen-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get screen-obj-cell, <span class="PreProc">type</span>
+<span id="L196" class="LineNr"> 196 </span>  compare *screen-obj-cell-type, <span class="Constant">5</span>/screen
+<span id="L197" class="LineNr"> 197 </span>  <span class="Delimiter">{</span>
+<span id="L198" class="LineNr"> 198 </span>    <span class="PreProc">break-if-=</span>
+<span id="L199" class="LineNr"> 199 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the screen</span>
+<span id="L200" class="LineNr"> 200 </span>  <span class="Delimiter">}</span>
+<span id="L201" class="LineNr"> 201 </span>  <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> get screen-obj-cell, screen-data
+<span id="L202" class="LineNr"> 202 </span>  <span class="PreProc">var</span> _screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *screen-obj-ah
+<span id="L203" class="LineNr"> 203 </span>  <span class="PreProc">var</span> screen-obj/<span class="Constant">edx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _screen-obj
+<span id="L204" class="LineNr"> 204 </span>  <span class="Delimiter">{</span>
+<span id="L205" class="LineNr"> 205 </span>    <span class="PreProc">var</span> screen-empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L274'>fake-screen-empty?</a> screen-obj
+<span id="L206" class="LineNr"> 206 </span>    compare screen-empty?, <span class="Constant">0</span>/false
+<span id="L207" class="LineNr"> 207 </span>    <span class="PreProc">break-if-=</span>
+<span id="L208" class="LineNr"> 208 </span>    <span class="PreProc">return</span> ymin
+<span id="L209" class="LineNr"> 209 </span>  <span class="Delimiter">}</span>
+<span id="L210" class="LineNr"> 210 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;screen:   &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, ymin, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L211" class="LineNr"> 211 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L212" class="LineNr"> 212 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L243'>render-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, screen-obj, x, y
+<span id="L213" class="LineNr"> 213 </span>  <span class="PreProc">return</span> y
+<span id="L214" class="LineNr"> 214 </span><span class="Delimiter">}</span>
+<span id="L215" class="LineNr"> 215 </span>
+<span id="L216" class="LineNr"> 216 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L216'>render-empty-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L217" class="LineNr"> 217 </span>  <span class="PreProc">var</span> target-screen/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target-screen
+<span id="L218" class="LineNr"> 218 </span>  <span class="PreProc">var</span> screen-y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L219" class="LineNr"> 219 </span>  <span class="muComment"># screen</span>
+<span id="L220" class="LineNr"> 220 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
+<span id="L221" class="LineNr"> 221 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L222" class="LineNr"> 222 </span>  <span class="Delimiter">{</span>
+<span id="L223" class="LineNr"> 223 </span>    compare y, *height
+<span id="L224" class="LineNr"> 224 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L225" class="LineNr"> 225 </span>    <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, screen-y
+<span id="L226" class="LineNr"> 226 </span>    <span class="PreProc">var</span> width/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
+<span id="L227" class="LineNr"> 227 </span>    <span class="PreProc">var</span> x/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L228" class="LineNr"> 228 </span>    <span class="Delimiter">{</span>
+<span id="L229" class="LineNr"> 229 </span>      compare x, *width
+<span id="L230" class="LineNr"> 230 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L231" class="LineNr"> 231 </span>      <a href='../501draw-text.mu.html#L92'>draw-code-point-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x20</span>/space, <span class="Constant">0x18</span>/fg, <span class="Constant">0</span>/bg
+<span id="L232" class="LineNr"> 232 </span>      <a href='../501draw-text.mu.html#L16'>move-cursor-right</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L233" class="LineNr"> 233 </span>      x <span class="Special">&lt;-</span> increment
+<span id="L234" class="LineNr"> 234 </span>      <span class="PreProc">loop</span>
+<span id="L235" class="LineNr"> 235 </span>    <span class="Delimiter">}</span>
+<span id="L236" class="LineNr"> 236 </span>    y <span class="Special">&lt;-</span> increment
+<span id="L237" class="LineNr"> 237 </span>    screen-y <span class="Special">&lt;-</span> increment
+<span id="L238" class="LineNr"> 238 </span>    <span class="PreProc">loop</span>
+<span id="L239" class="LineNr"> 239 </span>  <span class="Delimiter">}</span>
+<span id="L240" class="LineNr"> 240 </span>  <span class="PreProc">return</span> screen-y
+<span id="L241" class="LineNr"> 241 </span><span class="Delimiter">}</span>
+<span id="L242" class="LineNr"> 242 </span>
+<span id="L243" class="LineNr"> 243 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L243'>render-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L244" class="LineNr"> 244 </span>  <span class="PreProc">var</span> target-screen/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target-screen
+<span id="L245" class="LineNr"> 245 </span>  <span class="PreProc">var</span> screen-y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L246" class="LineNr"> 246 </span>  <span class="muComment"># text data</span>
+<span id="L247" class="LineNr"> 247 </span>  <span class="Delimiter">{</span>
+<span id="L248" class="LineNr"> 248 </span>    <span class="PreProc">var</span> height/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
+<span id="L249" class="LineNr"> 249 </span>    <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L250" class="LineNr"> 250 </span>    <span class="Delimiter">{</span>
+<span id="L251" class="LineNr"> 251 </span>      compare y, *height
+<span id="L252" class="LineNr"> 252 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L253" class="LineNr"> 253 </span>      <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, screen-y
+<span id="L254" class="LineNr"> 254 </span>      <span class="PreProc">var</span> width/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
+<span id="L255" class="LineNr"> 255 </span>      <span class="PreProc">var</span> x/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L256" class="LineNr"> 256 </span>      <span class="Delimiter">{</span>
+<span id="L257" class="LineNr"> 257 </span>        compare x, *width
+<span id="L258" class="LineNr"> 258 </span>        <span class="PreProc">break-if-&gt;=</span>
+<span id="L259" class="LineNr"> 259 </span>        <a href='sandbox.mu.html#L391'>print-screen-cell-of-fake-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, target-screen, x, y
+<span id="L260" class="LineNr"> 260 </span>        <a href='../501draw-text.mu.html#L16'>move-cursor-right</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L261" class="LineNr"> 261 </span>        x <span class="Special">&lt;-</span> increment
+<span id="L262" class="LineNr"> 262 </span>        <span class="PreProc">loop</span>
+<span id="L263" class="LineNr"> 263 </span>      <span class="Delimiter">}</span>
+<span id="L264" class="LineNr"> 264 </span>      y <span class="Special">&lt;-</span> increment
+<span id="L265" class="LineNr"> 265 </span>      screen-y <span class="Special">&lt;-</span> increment
+<span id="L266" class="LineNr"> 266 </span>      <span class="PreProc">loop</span>
+<span id="L267" class="LineNr"> 267 </span>    <span class="Delimiter">}</span>
+<span id="L268" class="LineNr"> 268 </span>  <span class="Delimiter">}</span>
+<span id="L269" class="LineNr"> 269 </span>  <span class="muComment"># pixel data</span>
+<span id="L270" class="LineNr"> 270 </span>  <span class="Delimiter">{</span>
+<span id="L271" class="LineNr"> 271 </span>    <span class="muComment"># screen top left pixels x y width height</span>
+<span id="L272" class="LineNr"> 272 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L273" class="LineNr"> 273 </span>    tmp <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L274" class="LineNr"> 274 </span>    <span class="PreProc">var</span> left: int
+<span id="L275" class="LineNr"> 275 </span>    copy-to left, tmp
+<span id="L276" class="LineNr"> 276 </span>    tmp <span class="Special">&lt;-</span> copy ymin
+<span id="L277" class="LineNr"> 277 </span>    tmp <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L278" class="LineNr"> 278 </span>    <span class="PreProc">var</span> top: int
+<span id="L279" class="LineNr"> 279 </span>    copy-to top, tmp
+<span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">var</span> pixels-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get target-screen, pixels
+<span id="L281" class="LineNr"> 281 </span>    <span class="PreProc">var</span> _pixels/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *pixels-ah
+<span id="L282" class="LineNr"> 282 </span>    <span class="PreProc">var</span> pixels/<span class="Constant">edi</span>: (addr array byte) <span class="Special">&lt;-</span> copy _pixels
+<span id="L283" class="LineNr"> 283 </span>    compare pixels, <span class="Constant">0</span>
+<span id="L284" class="LineNr"> 284 </span>    <span class="PreProc">break-if-=</span>
+<span id="L285" class="LineNr"> 285 </span>    <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L286" class="LineNr"> 286 </span>    <span class="PreProc">var</span> height-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, height
+<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *height-addr
+<span id="L288" class="LineNr"> 288 </span>    height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
+<span id="L289" class="LineNr"> 289 </span>    <span class="Delimiter">{</span>
+<span id="L290" class="LineNr"> 290 </span>      compare y, height
+<span id="L291" class="LineNr"> 291 </span>      <span class="PreProc">break-if-&gt;=</span>
+<span id="L292" class="LineNr"> 292 </span>      <span class="PreProc">var</span> width-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get target-screen, width
+<span id="L293" class="LineNr"> 293 </span>      <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *width-addr
+<span id="L294" class="LineNr"> 294 </span>      width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
+<span id="L295" class="LineNr"> 295 </span>      <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L296" class="LineNr"> 296 </span>      <span class="Delimiter">{</span>
+<span id="L297" class="LineNr"> 297 </span>        compare x, width
+<span id="L298" class="LineNr"> 298 </span>        <span class="PreProc">break-if-&gt;=</span>
+<span id="L299" class="LineNr"> 299 </span>        <span class="Delimiter">{</span>
+<span id="L300" class="LineNr"> 300 </span>          <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L485'>pixel-index</a> target-screen, x, y
+<span id="L301" class="LineNr"> 301 </span>          <span class="PreProc">var</span> color-addr/<span class="Constant">ecx</span>: (addr byte) <span class="Special">&lt;-</span> index pixels, idx
+<span id="L302" class="LineNr"> 302 </span>          <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: byte <span class="Special">&lt;-</span> copy-byte *color-addr
+<span id="L303" class="LineNr"> 303 </span>          <span class="PreProc">var</span> color2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy color
+<span id="L304" class="LineNr"> 304 </span>          compare color2, <span class="Constant">0</span>
+<span id="L305" class="LineNr"> 305 </span>          <span class="PreProc">break-if-=</span>
+<span id="L306" class="LineNr"> 306 </span>          <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L307" class="LineNr"> 307 </span>          x2 <span class="Special">&lt;-</span> add left
+<span id="L308" class="LineNr"> 308 </span>          <span class="PreProc">var</span> y2/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L309" class="LineNr"> 309 </span>          y2 <span class="Special">&lt;-</span> add top
+<span id="L310" class="LineNr"> 310 </span>          <a href='../500fake-screen.mu.html#L463'>pixel</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x2, y2, color2
+<span id="L311" class="LineNr"> 311 </span>        <span class="Delimiter">}</span>
+<span id="L312" class="LineNr"> 312 </span>        x <span class="Special">&lt;-</span> increment
+<span id="L313" class="LineNr"> 313 </span>        <span class="PreProc">loop</span>
+<span id="L314" class="LineNr"> 314 </span>      <span class="Delimiter">}</span>
+<span id="L315" class="LineNr"> 315 </span>      y <span class="Special">&lt;-</span> increment
+<span id="L316" class="LineNr"> 316 </span>      <span class="PreProc">loop</span>
+<span id="L317" class="LineNr"> 317 </span>    <span class="Delimiter">}</span>
+<span id="L318" class="LineNr"> 318 </span>  <span class="Delimiter">}</span>
+<span id="L319" class="LineNr"> 319 </span>  <span class="PreProc">return</span> screen-y
+<span id="L320" class="LineNr"> 320 </span><span class="Delimiter">}</span>
+<span id="L321" class="LineNr"> 321 </span>
+<span id="L322" class="LineNr"> 322 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L322'>has-keyboard?</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L323" class="LineNr"> 323 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L324" class="LineNr"> 324 </span>  <span class="PreProc">var</span> keyboard-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
+<span id="L325" class="LineNr"> 325 </span>  <span class="PreProc">var</span> keyboard-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-cell-ah
+<span id="L326" class="LineNr"> 326 </span>  compare keyboard-obj-cell, <span class="Constant">0</span>
+<span id="L327" class="LineNr"> 327 </span>  <span class="Delimiter">{</span>
+<span id="L328" class="LineNr"> 328 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L329" class="LineNr"> 329 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L330" class="LineNr"> 330 </span>  <span class="Delimiter">}</span>
+<span id="L331" class="LineNr"> 331 </span>  <span class="PreProc">var</span> keyboard-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-obj-cell, <span class="PreProc">type</span>
+<span id="L332" class="LineNr"> 332 </span>  compare *keyboard-obj-cell-type, <span class="Constant">6</span>/keyboard
+<span id="L333" class="LineNr"> 333 </span>  <span class="Delimiter">{</span>
+<span id="L334" class="LineNr"> 334 </span>    <span class="PreProc">break-if-=</span>
+<span id="L335" class="LineNr"> 335 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L336" class="LineNr"> 336 </span>  <span class="Delimiter">}</span>
+<span id="L337" class="LineNr"> 337 </span>  <span class="PreProc">var</span> keyboard-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-obj-cell, keyboard-data
+<span id="L338" class="LineNr"> 338 </span>  <span class="PreProc">var</span> _keyboard-obj/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-ah
+<span id="L339" class="LineNr"> 339 </span>  <span class="PreProc">var</span> keyboard-obj/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard-obj
+<span id="L340" class="LineNr"> 340 </span>  compare keyboard-obj, <span class="Constant">0</span>
+<span id="L341" class="LineNr"> 341 </span>  <span class="Delimiter">{</span>
+<span id="L342" class="LineNr"> 342 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L343" class="LineNr"> 343 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L344" class="LineNr"> 344 </span>  <span class="Delimiter">}</span>
+<span id="L345" class="LineNr"> 345 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L346" class="LineNr"> 346 </span><span class="Delimiter">}</span>
+<span id="L347" class="LineNr"> 347 </span>
+<span id="L348" class="LineNr"> 348 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L348'>maybe-render-keyboard</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), xmin: int, ymin: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L349" class="LineNr"> 349 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L350" class="LineNr"> 350 </span>  <span class="PreProc">var</span> keyboard-obj-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
+<span id="L351" class="LineNr"> 351 </span>  <span class="PreProc">var</span> keyboard-obj-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-cell-ah
+<span id="L352" class="LineNr"> 352 </span>  compare keyboard-obj-cell, <span class="Constant">0</span>
+<span id="L353" class="LineNr"> 353 </span>  <span class="Delimiter">{</span>
+<span id="L354" class="LineNr"> 354 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L355" class="LineNr"> 355 </span>    <span class="PreProc">return</span> ymin
+<span id="L356" class="LineNr"> 356 </span>  <span class="Delimiter">}</span>
+<span id="L357" class="LineNr"> 357 </span>  <span class="PreProc">var</span> keyboard-obj-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-obj-cell, <span class="PreProc">type</span>
+<span id="L358" class="LineNr"> 358 </span>  compare *keyboard-obj-cell-type, <span class="Constant">6</span>/keyboard
+<span id="L359" class="LineNr"> 359 </span>  <span class="Delimiter">{</span>
+<span id="L360" class="LineNr"> 360 </span>    <span class="PreProc">break-if-=</span>
+<span id="L361" class="LineNr"> 361 </span>    <span class="PreProc">return</span> ymin  <span class="muComment"># silently give up on rendering the keyboard</span>
+<span id="L362" class="LineNr"> 362 </span>  <span class="Delimiter">}</span>
+<span id="L363" class="LineNr"> 363 </span>  <span class="PreProc">var</span> keyboard-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-obj-cell, keyboard-data
+<span id="L364" class="LineNr"> 364 </span>  <span class="PreProc">var</span> _keyboard-obj/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-obj-ah
+<span id="L365" class="LineNr"> 365 </span>  <span class="PreProc">var</span> keyboard-obj/<span class="Constant">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard-obj
+<span id="L366" class="LineNr"> 366 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L367" class="LineNr"> 367 </span>  y <span class="Special">&lt;-</span> increment  <span class="muComment"># padding</span>
+<span id="L368" class="LineNr"> 368 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;keyboard: &quot;</span>, xmin, <span class="Constant">0x99</span>/xmax, y, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L369" class="LineNr"> 369 </span>  <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">esi</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L370" class="LineNr"> 370 </span>  y <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L375'>render-keyboard</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, keyboard-obj, x, y, *cursor-in-keyboard?
+<span id="L371" class="LineNr"> 371 </span>  y <span class="Special">&lt;-</span> increment  <span class="muComment"># padding</span>
+<span id="L372" class="LineNr"> 372 </span>  <span class="PreProc">return</span> y
+<span id="L373" class="LineNr"> 373 </span><span class="Delimiter">}</span>
+<span id="L374" class="LineNr"> 374 </span>
+<span id="L375" class="LineNr"> 375 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L375'>render-keyboard</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _keyboard: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), xmin: int, ymin: int, render-cursor?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L376" class="LineNr"> 376 </span>  <span class="PreProc">var</span> keyboard/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _keyboard
+<span id="L377" class="LineNr"> 377 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0x10</span>/keyboard-capacity
+<span id="L378" class="LineNr"> 378 </span>  <span class="PreProc">var</span> y/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L379" class="LineNr"> 379 </span>  <span class="muComment"># keyboard</span>
+<span id="L380" class="LineNr"> 380 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L381" class="LineNr"> 381 </span>  <span class="PreProc">var</span> xmax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy x
+<span id="L382" class="LineNr"> 382 </span>  xmax <span class="Special">&lt;-</span> add <span class="Constant">0x10</span>
+<span id="L383" class="LineNr"> 383 </span>  <span class="PreProc">var</span> ymax/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L384" class="LineNr"> 384 </span>  ymax <span class="Special">&lt;-</span> add <span class="Constant">1</span>
+<span id="L385" class="LineNr"> 385 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x, y, xmax, ymax, <span class="Constant">0</span>/bg
+<span id="L386" class="LineNr"> 386 </span>  x <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L151'>render-gap-buffer</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, keyboard, x, y, render-cursor?, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L387" class="LineNr"> 387 </span>  y <span class="Special">&lt;-</span> increment
+<span id="L388" class="LineNr"> 388 </span>  <span class="PreProc">return</span> y
+<span id="L389" class="LineNr"> 389 </span><span class="Delimiter">}</span>
+<span id="L390" class="LineNr"> 390 </span>
+<span id="L391" class="LineNr"> 391 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L391'>print-screen-cell-of-fake-screen</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _target: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), x: int, y: int <span class="Delimiter">{</span>
+<span id="L392" class="LineNr"> 392 </span>  <span class="PreProc">var</span> target/<span class="Constant">ecx</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> copy _target
+<span id="L393" class="LineNr"> 393 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> get target, data
+<span id="L394" class="LineNr"> 394 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L395" class="LineNr"> 395 </span>  <span class="PreProc">var</span> index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L120'>screen-cell-index</a> target, x, y
+<span id="L396" class="LineNr"> 396 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> compute-offset data, index
+<span id="L397" class="LineNr"> 397 </span>  <span class="PreProc">var</span> src-cell/<span class="Constant">esi</span>: (addr <a href='../500fake-screen.mu.html#L25'>screen-cell</a>) <span class="Special">&lt;-</span> index data, offset
+<span id="L398" class="LineNr"> 398 </span>  <span class="PreProc">var</span> src-grapheme/<span class="Constant">eax</span>: (addr grapheme) <span class="Special">&lt;-</span> get src-cell, data
+<span id="L399" class="LineNr"> 399 </span>  <span class="PreProc">var</span> src-color/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get src-cell, color
+<span id="L400" class="LineNr"> 400 </span>  <span class="PreProc">var</span> src-background-color/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get src-cell, background-color
+<span id="L401" class="LineNr"> 401 </span>  <a href='../501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *src-grapheme, *src-color, *src-background-color
+<span id="L402" class="LineNr"> 402 </span><span class="Delimiter">}</span>
+<span id="L403" class="LineNr"> 403 </span>
+<span id="L404" class="LineNr"> 404 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L404'>render-sandbox-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
+<span id="L405" class="LineNr"> 405 </span>  <span class="PreProc">var</span> _width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L406" class="LineNr"> 406 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L407" class="LineNr"> 407 </span>  _width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L408" class="LineNr"> 408 </span>  <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy _width
+<span id="L409" class="LineNr"> 409 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
+<span id="L410" class="LineNr"> 410 </span>  y <span class="Special">&lt;-</span> decrement
+<span id="L411" class="LineNr"> 411 </span>  <span class="PreProc">var</span> height/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L412" class="LineNr"> 412 </span>  height <span class="Special">&lt;-</span> increment
+<span id="L413" class="LineNr"> 413 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L414" class="LineNr"> 414 </span>  <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
+<span id="L415" class="LineNr"> 415 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl+... &quot;</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L416" class="LineNr"> 416 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L417" class="LineNr"> 417 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L625'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L418" class="LineNr"> 418 </span>  $render-sandbox-menu:render-ctrl-m: <span class="Delimiter">{</span>
+<span id="L419" class="LineNr"> 419 </span>    <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L420" class="LineNr"> 420 </span>    <span class="PreProc">var</span> <a href='sandbox.mu.html#L950'>has-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L950'>has-trace?</a> self
+<span id="L421" class="LineNr"> 421 </span>    compare <a href='sandbox.mu.html#L950'>has-trace?</a>, <span class="Constant">0</span>/false
+<span id="L422" class="LineNr"> 422 </span>    <span class="Delimiter">{</span>
+<span id="L423" class="LineNr"> 423 </span>      <span class="PreProc">break-if-=</span>
+<span id="L424" class="LineNr"> 424 </span>      <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x38</span>/bg=trace
+<span id="L425" class="LineNr"> 425 </span>      <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to trace  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L426" class="LineNr"> 426 </span>      <span class="PreProc">break</span> $render-sandbox-menu:render-ctrl-m
+<span id="L427" class="LineNr"> 427 </span>    <span class="Delimiter">}</span>
+<span id="L428" class="LineNr"> 428 </span>    <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">3</span>/bg=keyboard
+<span id="L429" class="LineNr"> 429 </span>    <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to keyboard  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L430" class="LineNr"> 430 </span>  <span class="Delimiter">}</span>
+<span id="L431" class="LineNr"> 431 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L432" class="LineNr"> 432 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L625'>run</a> <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L433" class="LineNr"> 433 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; a &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L434" class="LineNr"> 434 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &lt;&lt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L435" class="LineNr"> 435 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; b &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L436" class="LineNr"> 436 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &lt;word  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L437" class="LineNr"> 437 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; f &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L438" class="LineNr"> 438 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; word&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L439" class="LineNr"> 439 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; e &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L440" class="LineNr"> 440 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &gt;&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L441" class="LineNr"> 441 </span><span class="Delimiter">}</span>
+<span id="L442" class="LineNr"> 442 </span>
+<span id="L443" class="LineNr"> 443 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L443'>render-keyboard-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
+<span id="L444" class="LineNr"> 444 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L445" class="LineNr"> 445 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L446" class="LineNr"> 446 </span>  width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L447" class="LineNr"> 447 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
+<span id="L448" class="LineNr"> 448 </span>  y <span class="Special">&lt;-</span> decrement
+<span id="L449" class="LineNr"> 449 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L450" class="LineNr"> 450 </span>  height <span class="Special">&lt;-</span> increment
+<span id="L451" class="LineNr"> 451 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L452" class="LineNr"> 452 </span>  <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
+<span id="L453" class="LineNr"> 453 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl+... &quot;</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L454" class="LineNr"> 454 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L455" class="LineNr"> 455 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L625'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L456" class="LineNr"> 456 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L457" class="LineNr"> 457 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L625'>run</a> <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L458" class="LineNr"> 458 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">7</span>/bg
+<span id="L459" class="LineNr"> 459 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L460" class="LineNr"> 460 </span><span class="Delimiter">}</span>
+<span id="L461" class="LineNr"> 461 </span>
+<span id="L462" class="LineNr"> 462 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L462'>edit-sandbox</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), key: byte, globals: (addr <a href='global.mu.html#L7'>global-table</a>), data-disk: (addr disk), real-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), tweak-real-screen?: boolean <span class="Delimiter">{</span>
+<span id="L463" class="LineNr"> 463 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L464" class="LineNr"> 464 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="Special">&lt;-</span> copy key
+<span id="L465" class="LineNr"> 465 </span>  <span class="muComment"># ctrl-s</span>
+<span id="L466" class="LineNr"> 466 </span>  <span class="Delimiter">{</span>
+<span id="L467" class="LineNr"> 467 </span>    compare g, <span class="Constant">0x13</span>/ctrl-s
+<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L469" class="LineNr"> 469 </span>    <span class="muComment"># if cursor is in trace, skip</span>
+<span id="L470" class="LineNr"> 470 </span>    <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L471" class="LineNr"> 471 </span>    compare *cursor-in-trace?, <span class="Constant">0</span>/false
+<span id="L472" class="LineNr"> 472 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L473" class="LineNr"> 473 </span>    <span class="muComment"># minor gotcha here: any bindings created later in this iteration won't be</span>
+<span id="L474" class="LineNr"> 474 </span>    <span class="muComment"># persisted until the next call to ctrl-s.</span>
+<span id="L475" class="LineNr"> 475 </span>    <a href='main.mu.html#L156'>store-state</a> data-disk, self, globals
+<span id="L476" class="LineNr"> 476 </span>    <span class="muComment">#</span>
+<span id="L477" class="LineNr"> 477 </span>    <a href='sandbox.mu.html#L598'>run-sandbox</a> self, globals, real-screen, tweak-real-screen?
+<span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">return</span>
+<span id="L479" class="LineNr"> 479 </span>  <span class="Delimiter">}</span>
+<span id="L480" class="LineNr"> 480 </span>  <span class="muComment"># ctrl-m</span>
+<span id="L481" class="LineNr"> 481 </span>  <span class="Delimiter">{</span>
+<span id="L482" class="LineNr"> 482 </span>    compare g, <span class="Constant">0xd</span>/ctrl-m
+<span id="L483" class="LineNr"> 483 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L484" class="LineNr"> 484 </span>    <span class="muComment"># if cursor in data, switch to trace or fall through to keyboard</span>
+<span id="L485" class="LineNr"> 485 </span>    <span class="Delimiter">{</span>
+<span id="L486" class="LineNr"> 486 </span>      <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L487" class="LineNr"> 487 </span>      compare *cursor-in-data?, <span class="Constant">0</span>/false
+<span id="L488" class="LineNr"> 488 </span>      <span class="PreProc">break-if-=</span>
+<span id="L489" class="LineNr"> 489 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L950'>has-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L950'>has-trace?</a> self
+<span id="L490" class="LineNr"> 490 </span>      compare <a href='sandbox.mu.html#L950'>has-trace?</a>, <span class="Constant">0</span>/false
+<span id="L491" class="LineNr"> 491 </span>      <span class="Delimiter">{</span>
+<span id="L492" class="LineNr"> 492 </span>        <span class="PreProc">break-if-=</span>
+<span id="L493" class="LineNr"> 493 </span>        <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L494" class="LineNr"> 494 </span>        copy-to *cursor-in-data?, <span class="Constant">0</span>/false
+<span id="L495" class="LineNr"> 495 </span>        <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L496" class="LineNr"> 496 </span>        copy-to *cursor-in-trace?, <span class="Constant">1</span>/false
+<span id="L497" class="LineNr"> 497 </span>        <span class="PreProc">return</span>
+<span id="L498" class="LineNr"> 498 </span>      <span class="Delimiter">}</span>
+<span id="L499" class="LineNr"> 499 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L322'>has-keyboard?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L322'>has-keyboard?</a> self
+<span id="L500" class="LineNr"> 500 </span>      compare <a href='sandbox.mu.html#L322'>has-keyboard?</a>, <span class="Constant">0</span>/false
+<span id="L501" class="LineNr"> 501 </span>      <span class="Delimiter">{</span>
+<span id="L502" class="LineNr"> 502 </span>        <span class="PreProc">break-if-=</span>
+<span id="L503" class="LineNr"> 503 </span>        <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L504" class="LineNr"> 504 </span>        copy-to *cursor-in-data?, <span class="Constant">0</span>/false
+<span id="L505" class="LineNr"> 505 </span>        <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L506" class="LineNr"> 506 </span>        copy-to *cursor-in-keyboard?, <span class="Constant">1</span>/false
+<span id="L507" class="LineNr"> 507 </span>        <span class="PreProc">return</span>
+<span id="L508" class="LineNr"> 508 </span>      <span class="Delimiter">}</span>
+<span id="L509" class="LineNr"> 509 </span>      <span class="PreProc">return</span>
+<span id="L510" class="LineNr"> 510 </span>    <span class="Delimiter">}</span>
+<span id="L511" class="LineNr"> 511 </span>    <span class="muComment"># if cursor in trace, switch to keyboard or fall through to data</span>
+<span id="L512" class="LineNr"> 512 </span>    <span class="Delimiter">{</span>
+<span id="L513" class="LineNr"> 513 </span>      <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L514" class="LineNr"> 514 </span>      compare *cursor-in-trace?, <span class="Constant">0</span>/false
+<span id="L515" class="LineNr"> 515 </span>      <span class="PreProc">break-if-=</span>
+<span id="L516" class="LineNr"> 516 </span>      copy-to *cursor-in-trace?, <span class="Constant">0</span>/false
+<span id="L517" class="LineNr"> 517 </span>      <span class="PreProc">var</span> cursor-target/<span class="Constant">ecx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L518" class="LineNr"> 518 </span>      <span class="PreProc">var</span> <a href='sandbox.mu.html#L322'>has-keyboard?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='sandbox.mu.html#L322'>has-keyboard?</a> self
+<span id="L519" class="LineNr"> 519 </span>      compare <a href='sandbox.mu.html#L322'>has-keyboard?</a>, <span class="Constant">0</span>/false
+<span id="L520" class="LineNr"> 520 </span>      <span class="Delimiter">{</span>
+<span id="L521" class="LineNr"> 521 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L522" class="LineNr"> 522 </span>        cursor-target <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L523" class="LineNr"> 523 </span>      <span class="Delimiter">}</span>
+<span id="L524" class="LineNr"> 524 </span>      copy-to *cursor-target, <span class="Constant">1</span>/true
+<span id="L525" class="LineNr"> 525 </span>      <span class="PreProc">return</span>
+<span id="L526" class="LineNr"> 526 </span>    <span class="Delimiter">}</span>
+<span id="L527" class="LineNr"> 527 </span>    <span class="muComment"># otherwise if cursor in keyboard, switch to data</span>
+<span id="L528" class="LineNr"> 528 </span>    <span class="Delimiter">{</span>
+<span id="L529" class="LineNr"> 529 </span>      <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L530" class="LineNr"> 530 </span>      compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
+<span id="L531" class="LineNr"> 531 </span>      <span class="PreProc">break-if-=</span>
+<span id="L532" class="LineNr"> 532 </span>      copy-to *cursor-in-keyboard?, <span class="Constant">0</span>/false
+<span id="L533" class="LineNr"> 533 </span>      <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L534" class="LineNr"> 534 </span>      copy-to *cursor-in-data?, <span class="Constant">1</span>/true
+<span id="L535" class="LineNr"> 535 </span>      <span class="PreProc">return</span>
+<span id="L536" class="LineNr"> 536 </span>    <span class="Delimiter">}</span>
+<span id="L537" class="LineNr"> 537 </span>    <span class="PreProc">return</span>
+<span id="L538" class="LineNr"> 538 </span>  <span class="Delimiter">}</span>
+<span id="L539" class="LineNr"> 539 </span>  <span class="muComment"># if cursor in data, send key to data</span>
+<span id="L540" class="LineNr"> 540 </span>  <span class="Delimiter">{</span>
+<span id="L541" class="LineNr"> 541 </span>    <span class="PreProc">var</span> cursor-in-data?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-data?
+<span id="L542" class="LineNr"> 542 </span>    compare *cursor-in-data?, <span class="Constant">0</span>/false
+<span id="L543" class="LineNr"> 543 </span>    <span class="PreProc">break-if-=</span>
+<span id="L544" class="LineNr"> 544 </span>    <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L545" class="LineNr"> 545 </span>    <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L546" class="LineNr"> 546 </span>    <a href='gap-buffer.mu.html#L921'>edit-gap-buffer</a> data, g
+<span id="L547" class="LineNr"> 547 </span>    <span class="PreProc">return</span>
+<span id="L548" class="LineNr"> 548 </span>  <span class="Delimiter">}</span>
+<span id="L549" class="LineNr"> 549 </span>  <span class="muComment"># if cursor in keyboard, send key to keyboard</span>
+<span id="L550" class="LineNr"> 550 </span>  <span class="Delimiter">{</span>
+<span id="L551" class="LineNr"> 551 </span>    <span class="PreProc">var</span> cursor-in-keyboard?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-keyboard?
+<span id="L552" class="LineNr"> 552 </span>    compare *cursor-in-keyboard?, <span class="Constant">0</span>/false
+<span id="L553" class="LineNr"> 553 </span>    <span class="PreProc">break-if-=</span>
+<span id="L554" class="LineNr"> 554 </span>    <span class="PreProc">var</span> keyboard-cell-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
+<span id="L555" class="LineNr"> 555 </span>    <span class="PreProc">var</span> keyboard-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-cell-ah
+<span id="L556" class="LineNr"> 556 </span>    compare keyboard-cell, <span class="Constant">0</span>
+<span id="L557" class="LineNr"> 557 </span>    <span class="Delimiter">{</span>
+<span id="L558" class="LineNr"> 558 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L559" class="LineNr"> 559 </span>      <span class="PreProc">return</span>
+<span id="L560" class="LineNr"> 560 </span>    <span class="Delimiter">}</span>
+<span id="L561" class="LineNr"> 561 </span>    <span class="PreProc">var</span> keyboard-cell-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get keyboard-cell, <span class="PreProc">type</span>
+<span id="L562" class="LineNr"> 562 </span>    compare *keyboard-cell-type, <span class="Constant">6</span>/keyboard
+<span id="L563" class="LineNr"> 563 </span>    <span class="Delimiter">{</span>
+<span id="L564" class="LineNr"> 564 </span>      <span class="PreProc">break-if-=</span>
+<span id="L565" class="LineNr"> 565 </span>      <span class="PreProc">return</span>
+<span id="L566" class="LineNr"> 566 </span>    <span class="Delimiter">}</span>
+<span id="L567" class="LineNr"> 567 </span>    <span class="PreProc">var</span> keyboard-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get keyboard-cell, keyboard-data
+<span id="L568" class="LineNr"> 568 </span>    <span class="PreProc">var</span> keyboard/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *keyboard-ah
+<span id="L569" class="LineNr"> 569 </span>    <a href='gap-buffer.mu.html#L921'>edit-gap-buffer</a> keyboard, g
+<span id="L570" class="LineNr"> 570 </span>    <span class="PreProc">return</span>
+<span id="L571" class="LineNr"> 571 </span>  <span class="Delimiter">}</span>
+<span id="L572" class="LineNr"> 572 </span>  <span class="muComment"># if cursor in trace, send key to trace</span>
+<span id="L573" class="LineNr"> 573 </span>  <span class="Delimiter">{</span>
+<span id="L574" class="LineNr"> 574 </span>    <span class="PreProc">var</span> cursor-in-trace?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-trace?
+<span id="L575" class="LineNr"> 575 </span>    compare *cursor-in-trace?, <span class="Constant">0</span>/false
+<span id="L576" class="LineNr"> 576 </span>    <span class="PreProc">break-if-=</span>
+<span id="L577" class="LineNr"> 577 </span>    <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L578" class="LineNr"> 578 </span>    <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L579" class="LineNr"> 579 </span>    <span class="muComment"># if expanding the trace, first check if we need to run the sandbox again with a deeper trace</span>
+<span id="L580" class="LineNr"> 580 </span>    <span class="Delimiter">{</span>
+<span id="L581" class="LineNr"> 581 </span>      compare g, <span class="Constant">0xa</span>/newline
+<span id="L582" class="LineNr"> 582 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L583" class="LineNr"> 583 </span>      <span class="Delimiter">{</span>
+<span id="L584" class="LineNr"> 584 </span>        <span class="PreProc">var</span> need-rerun?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L1127'>cursor-too-deep?</a> trace
+<span id="L585" class="LineNr"> 585 </span>        compare need-rerun?, <span class="Constant">0</span>/false
+<span id="L586" class="LineNr"> 586 </span>      <span class="Delimiter">}</span>
+<span id="L587" class="LineNr"> 587 </span>      <span class="PreProc">break-if-=</span>
+<span id="L588" class="LineNr"> 588 </span>      <span class="PreProc">var</span> max-depth-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get trace, max-depth
+<span id="L589" class="LineNr"> 589 </span>      increment *max-depth-addr
+<span id="L590" class="LineNr"> 590 </span>      <a href='sandbox.mu.html#L598'>run-sandbox</a> self, globals, real-screen, tweak-real-screen?
+<span id="L591" class="LineNr"> 591 </span>    <span class="Delimiter">}</span>
+<span id="L592" class="LineNr"> 592 </span>    <a href='trace.mu.html#L896'>edit-trace</a> trace, g
+<span id="L593" class="LineNr"> 593 </span>    <span class="PreProc">return</span>
+<span id="L594" class="LineNr"> 594 </span>  <span class="Delimiter">}</span>
+<span id="L595" class="LineNr"> 595 </span><span class="Delimiter">}</span>
+<span id="L596" class="LineNr"> 596 </span>
+<span id="L597" class="LineNr"> 597 </span><span class="muComment"># hack: tweak-real-screen guards things there are no tests for</span>
+<span id="L598" class="LineNr"> 598 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L598'>run-sandbox</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), real-screen: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), tweak-real-screen?: boolean <span class="Delimiter">{</span>
+<span id="L599" class="LineNr"> 599 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L600" class="LineNr"> 600 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">ecx</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L601" class="LineNr"> 601 </span>  <span class="PreProc">var</span> value-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get self, value
+<span id="L602" class="LineNr"> 602 </span>  <span class="PreProc">var</span> _value/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *value-ah
+<span id="L603" class="LineNr"> 603 </span>  <span class="PreProc">var</span> value/<span class="Constant">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _value
+<span id="L604" class="LineNr"> 604 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L605" class="LineNr"> 605 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L606" class="LineNr"> 606 </span>  <span class="PreProc">var</span> trace/<span class="Constant">ebx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
+<span id="L607" class="LineNr"> 607 </span>  <a href='trace.mu.html#L69'>clear-trace</a> trace
+<span id="L608" class="LineNr"> 608 </span>  <span class="Delimiter">{</span>
+<span id="L609" class="LineNr"> 609 </span>    compare tweak-real-screen?, <span class="Constant">0</span>/false
+<span id="L610" class="LineNr"> 610 </span>    <span class="PreProc">break-if-=</span>
+<span id="L611" class="LineNr"> 611 </span>    <a href='sandbox.mu.html#L146'>clear-sandbox-output</a> real-screen, self, <span class="Constant">0x56</span>/sandbox-left-margin, <span class="Constant">1</span>/y, <span class="Constant">0x80</span>/screen-width, <span class="Constant">0x2f</span>/screen-height-without-menu
+<span id="L612" class="LineNr"> 612 </span>  <span class="Delimiter">}</span>
+<span id="L613" class="LineNr"> 613 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, screen-var
+<span id="L614" class="LineNr"> 614 </span>  <a href='cell.mu.html#L164'>clear-screen-cell</a> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
+<span id="L615" class="LineNr"> 615 </span>  <span class="PreProc">var</span> keyboard-cell/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get self, keyboard-var
+<span id="L616" class="LineNr"> 616 </span>  <a href='cell.mu.html#L195'>rewind-keyboard-cell</a> keyboard-cell  <span class="muComment"># don't clear keys from before</span>
+<span id="L617" class="LineNr"> 617 </span>  <span class="Delimiter">{</span>
+<span id="L618" class="LineNr"> 618 </span>    compare tweak-real-screen?, <span class="Constant">0</span>/false
+<span id="L619" class="LineNr"> 619 </span>    <span class="PreProc">break-if-=</span>
+<span id="L620" class="LineNr"> 620 </span>    <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> real-screen, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y  <span class="muComment"># for any debug prints during evaluation</span>
+<span id="L621" class="LineNr"> 621 </span>  <span class="Delimiter">}</span>
+<span id="L622" class="LineNr"> 622 </span>  <a href='sandbox.mu.html#L625'>run</a> data-ah, value, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
+<span id="L623" class="LineNr"> 623 </span><span class="Delimiter">}</span>
+<span id="L624" class="LineNr"> 624 </span>
+<span id="L625" class="LineNr"> 625 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L625'>run</a></span> _in-ah: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), globals: (addr <a href='global.mu.html#L7'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
+<span id="L626" class="LineNr"> 626 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L627" class="LineNr"> 627 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L628" class="LineNr"> 628 </span>  <span class="PreProc">var</span> read-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L629" class="LineNr"> 629 </span>  <span class="PreProc">var</span> read-result-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address read-result-h
+<span id="L630" class="LineNr"> 630 </span>  <a href='read.mu.html#L1'>read-cell</a> in, read-result-ah, trace
+<span id="L631" class="LineNr"> 631 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L632" class="LineNr"> 632 </span>  <span class="Delimiter">{</span>
+<span id="L633" class="LineNr"> 633 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L634" class="LineNr"> 634 </span>    <span class="PreProc">break-if-=</span>
+<span id="L635" class="LineNr"> 635 </span>    <span class="PreProc">return</span>
+<span id="L636" class="LineNr"> 636 </span>  <span class="Delimiter">}</span>
+<span id="L637" class="LineNr"> 637 </span>  <a href='macroexpand.mu.html#L1'>macroexpand</a> read-result-ah, globals, trace
+<span id="L638" class="LineNr"> 638 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L639" class="LineNr"> 639 </span>  <span class="Delimiter">{</span>
+<span id="L640" class="LineNr"> 640 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L641" class="LineNr"> 641 </span>    <span class="PreProc">break-if-=</span>
+<span id="L642" class="LineNr"> 642 </span>    <span class="PreProc">return</span>
+<span id="L643" class="LineNr"> 643 </span>  <span class="Delimiter">}</span>
+<span id="L644" class="LineNr"> 644 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L645" class="LineNr"> 645 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
+<span id="L646" class="LineNr"> 646 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L647" class="LineNr"> 647 </span>  <span class="PreProc">var</span> eval-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L648" class="LineNr"> 648 </span>  <span class="PreProc">var</span> eval-result-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address eval-result-h
+<span id="L649" class="LineNr"> 649 </span><span class="CommentedCode">#?   set-cursor-position 0/screen, 0 0</span>
+<span id="L650" class="LineNr"> 650 </span><span class="CommentedCode">#?   turn-on-debug-print</span>
+<span id="L651" class="LineNr"> 651 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;^&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L652" class="LineNr"> 652 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> read-result-ah, eval-result-ah, *nil-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, <span class="Constant">1</span>/call-number
+<span id="L653" class="LineNr"> 653 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;$&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L654" class="LineNr"> 654 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L655" class="LineNr"> 655 </span>  <span class="Delimiter">{</span>
+<span id="L656" class="LineNr"> 656 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L657" class="LineNr"> 657 </span>    <span class="PreProc">break-if-=</span>
+<span id="L658" class="LineNr"> 658 </span>    <span class="PreProc">return</span>
+<span id="L659" class="LineNr"> 659 </span>  <span class="Delimiter">}</span>
+<span id="L660" class="LineNr"> 660 </span>  <span class="muComment"># if there was no error and the read-result starts with &quot;set&quot; or &quot;def&quot;, save</span>
+<span id="L661" class="LineNr"> 661 </span>  <span class="muComment"># the gap buffer in the modified global, then create a new one for the next</span>
+<span id="L662" class="LineNr"> 662 </span>  <span class="muComment"># command.</span>
+<span id="L663" class="LineNr"> 663 </span>  <a href='global.mu.html#L1967'>maybe-stash-gap-buffer-to-global</a> globals, read-result-ah, _in-ah
+<span id="L664" class="LineNr"> 664 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> out
+<span id="L665" class="LineNr"> 665 </span>  <a href='print.mu.html#L7'>print-cell</a> eval-result-ah, out, trace
+<span id="L666" class="LineNr"> 666 </span>  <a href='trace.mu.html#L430'>mark-lines-dirty</a> trace
+<span id="L667" class="LineNr"> 667 </span><span class="Delimiter">}</span>
+<span id="L668" class="LineNr"> 668 </span>
+<span id="L669" class="LineNr"> 669 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L669'>read-evaluate-and-move-to-globals</a></span> _in-ah: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), globals: (addr <a href='global.mu.html#L7'>global-table</a>), definition-name: (addr stream byte) <span class="Delimiter">{</span>
+<span id="L670" class="LineNr"> 670 </span>  <span class="PreProc">var</span> in-ah/<span class="Constant">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L671" class="LineNr"> 671 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L672" class="LineNr"> 672 </span>  <span class="PreProc">var</span> read-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L673" class="LineNr"> 673 </span>  <span class="PreProc">var</span> read-result-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address read-result-h
+<span id="L674" class="LineNr"> 674 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L675" class="LineNr"> 675 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L676" class="LineNr"> 676 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L677" class="LineNr"> 677 </span>  <a href='read.mu.html#L1'>read-cell</a> in, read-result-ah, trace
+<span id="L678" class="LineNr"> 678 </span>  <a href='macroexpand.mu.html#L1'>macroexpand</a> read-result-ah, globals, trace
+<span id="L679" class="LineNr"> 679 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L680" class="LineNr"> 680 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
+<span id="L681" class="LineNr"> 681 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L682" class="LineNr"> 682 </span>  <span class="PreProc">var</span> eval-result-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L683" class="LineNr"> 683 </span>  <span class="PreProc">var</span> eval-result/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address eval-result-storage
+<span id="L684" class="LineNr"> 684 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;^&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L685" class="LineNr"> 685 </span>  <a href='evaluate.mu.html#L5'>evaluate</a> read-result-ah, eval-result, *nil-ah, globals, trace, <span class="Constant">0</span>/no-screen-cell, <span class="Constant">0</span>/no-keyboard-cell, <span class="Constant">1</span>/call-number
+<span id="L686" class="LineNr"> 686 </span>  <span class="Delimiter">{</span>
+<span id="L687" class="LineNr"> 687 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L688" class="LineNr"> 688 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L689" class="LineNr"> 689 </span>    <span class="PreProc">break-if-=</span>
+<span id="L690" class="LineNr"> 690 </span>    <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <span class="Constant">0</span>/screen, <span class="Constant">0x40</span>/x, <span class="Constant">0x18</span>/y
+<span id="L691" class="LineNr"> 691 </span>    <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;error when loading definition for &quot;</span>, <span class="Constant">4</span>/fg <span class="Constant">0</span>/bg
+<span id="L692" class="LineNr"> 692 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> definition-name
+<span id="L693" class="LineNr"> 693 </span>    <a href='../501draw-text.mu.html#L235'>draw-stream-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, definition-name, <span class="Constant">3</span>/fg <span class="Constant">0</span>/bg
+<span id="L694" class="LineNr"> 694 </span>    <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <span class="Constant">0</span>/screen, <span class="Constant">0x40</span>/x, <span class="Constant">0x19</span>/y
+<span id="L695" class="LineNr"> 695 </span>    <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;see trace in grey at top-left&quot;</span>, <span class="Constant">7</span>/fg <span class="Constant">0</span>/bg
+<span id="L696" class="LineNr"> 696 </span>    <a href='trace.mu.html#L369'>dump-trace</a> trace  <span class="muComment"># will print from 0, 0</span>
+<span id="L697" class="LineNr"> 697 </span>    <span class="Delimiter">{</span>
+<span id="L698" class="LineNr"> 698 </span>      <span class="PreProc">loop</span>
+<span id="L699" class="LineNr"> 699 </span>    <span class="Delimiter">}</span>
+<span id="L700" class="LineNr"> 700 </span>  <span class="Delimiter">}</span>
+<span id="L701" class="LineNr"> 701 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;$&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L702" class="LineNr"> 702 </span>  <a href='global.mu.html#L2029'>move-gap-buffer-to-global</a> globals, read-result-ah, _in-ah
+<span id="L703" class="LineNr"> 703 </span><span class="Delimiter">}</span>
+<span id="L704" class="LineNr"> 704 </span>
+<span id="L705" class="LineNr"> 705 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L705'>test-run-integer</a></span> <span class="Delimiter">{</span>
+<span id="L706" class="LineNr"> 706 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L707" class="LineNr"> 707 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L708" class="LineNr"> 708 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;1&quot;</span>
+<span id="L709" class="LineNr"> 709 </span>  <span class="muComment"># eval</span>
+<span id="L710" class="LineNr"> 710 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L711" class="LineNr"> 711 </span>  <span class="muComment"># setup: screen</span>
+<span id="L712" class="LineNr"> 712 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L713" class="LineNr"> 713 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L714" class="LineNr"> 714 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L715" class="LineNr"> 715 </span>  <span class="muComment">#</span>
+<span id="L716" class="LineNr"> 716 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L717" class="LineNr"> 717 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L718" class="LineNr"> 718 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; 1    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L705'>test-run-integer</a>/0&quot;</span>
+<span id="L719" class="LineNr"> 719 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L705'>test-run-integer</a>/1&quot;</span>
+<span id="L720" class="LineNr"> 720 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 1 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L705'>test-run-integer</a>/2&quot;</span>
+<span id="L721" class="LineNr"> 721 </span><span class="Delimiter">}</span>
+<span id="L722" class="LineNr"> 722 </span>
+<span id="L723" class="LineNr"> 723 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L723'>test-run-error-invalid-integer</a></span> <span class="Delimiter">{</span>
+<span id="L724" class="LineNr"> 724 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L725" class="LineNr"> 725 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L726" class="LineNr"> 726 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;1a&quot;</span>
+<span id="L727" class="LineNr"> 727 </span>  <span class="muComment"># eval</span>
+<span id="L728" class="LineNr"> 728 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L729" class="LineNr"> 729 </span>  <span class="muComment"># setup: screen</span>
+<span id="L730" class="LineNr"> 730 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L731" class="LineNr"> 731 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L732" class="LineNr"> 732 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L733" class="LineNr"> 733 </span>  <span class="muComment">#</span>
+<span id="L734" class="LineNr"> 734 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L735" class="LineNr"> 735 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L736" class="LineNr"> 736 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">1</span>/y, <span class="Constant">&quot; 1a             &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L723'>test-run-error-invalid-integer</a>/0&quot;</span>
+<span id="L737" class="LineNr"> 737 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">2</span>/y, <span class="Constant">&quot; ...            &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L723'>test-run-error-invalid-integer</a>/1&quot;</span>
+<span id="L738" class="LineNr"> 738 </span>  <a href='../504test-screen.mu.html#L65'>check-screen-row-in-color</a>   <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xc</span>/fg=<span class="Special"><a href='trace.mu.html#L186'>error</a></span>, <span class="Constant">3</span>/y, <span class="Constant">&quot; invalid number &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L723'>test-run-error-invalid-integer</a>/2&quot;</span>
+<span id="L739" class="LineNr"> 739 </span><span class="Delimiter">}</span>
+<span id="L740" class="LineNr"> 740 </span>
+<span id="L741" class="LineNr"> 741 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L741'>test-run-error-unknown-symbol</a></span> <span class="Delimiter">{</span>
+<span id="L742" class="LineNr"> 742 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L743" class="LineNr"> 743 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L744" class="LineNr"> 744 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;a&quot;</span>
+<span id="L745" class="LineNr"> 745 </span>  <span class="muComment"># eval</span>
+<span id="L746" class="LineNr"> 746 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L747" class="LineNr"> 747 </span>  <span class="muComment"># setup: screen</span>
+<span id="L748" class="LineNr"> 748 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L749" class="LineNr"> 749 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L750" class="LineNr"> 750 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L751" class="LineNr"> 751 </span>  <span class="muComment">#</span>
+<span id="L752" class="LineNr"> 752 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L753" class="LineNr"> 753 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L754" class="LineNr"> 754 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">1</span>/y, <span class="Constant">&quot; a                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L741'>test-run-error-unknown-symbol</a>/0&quot;</span>
+<span id="L755" class="LineNr"> 755 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L741'>test-run-error-unknown-symbol</a>/1&quot;</span>
+<span id="L756" class="LineNr"> 756 </span>  <a href='../504test-screen.mu.html#L65'>check-screen-row-in-color</a>   <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xc</span>/fg=<span class="Special"><a href='trace.mu.html#L186'>error</a></span>, <span class="Constant">3</span>/y, <span class="Constant">&quot; unbound symbol: a  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L741'>test-run-error-unknown-symbol</a>/2&quot;</span>
+<span id="L757" class="LineNr"> 757 </span><span class="Delimiter">}</span>
+<span id="L758" class="LineNr"> 758 </span>
+<span id="L759" class="LineNr"> 759 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L759'>test-run-with-spaces</a></span> <span class="Delimiter">{</span>
+<span id="L760" class="LineNr"> 760 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L761" class="LineNr"> 761 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L762" class="LineNr"> 762 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot; 1 \n&quot;</span>
+<span id="L763" class="LineNr"> 763 </span>  <span class="muComment"># eval</span>
+<span id="L764" class="LineNr"> 764 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L765" class="LineNr"> 765 </span>  <span class="muComment"># setup: screen</span>
+<span id="L766" class="LineNr"> 766 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L767" class="LineNr"> 767 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L768" class="LineNr"> 768 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L769" class="LineNr"> 769 </span>  <span class="muComment">#</span>
+<span id="L770" class="LineNr"> 770 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L771" class="LineNr"> 771 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L772" class="LineNr"> 772 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;  1   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L759'>test-run-with-spaces</a>/0&quot;</span>
+<span id="L773" class="LineNr"> 773 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L759'>test-run-with-spaces</a>/1&quot;</span>
+<span id="L774" class="LineNr"> 774 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L759'>test-run-with-spaces</a>/2&quot;</span>
+<span id="L775" class="LineNr"> 775 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/y, <span class="Constant">&quot; =&gt; 1 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L759'>test-run-with-spaces</a>/3&quot;</span>
+<span id="L776" class="LineNr"> 776 </span><span class="Delimiter">}</span>
+<span id="L777" class="LineNr"> 777 </span>
+<span id="L778" class="LineNr"> 778 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L778'>test-run-quote</a></span> <span class="Delimiter">{</span>
+<span id="L779" class="LineNr"> 779 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L780" class="LineNr"> 780 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L781" class="LineNr"> 781 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'a&quot;</span>
+<span id="L782" class="LineNr"> 782 </span>  <span class="muComment"># eval</span>
+<span id="L783" class="LineNr"> 783 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L784" class="LineNr"> 784 </span>  <span class="muComment"># setup: screen</span>
+<span id="L785" class="LineNr"> 785 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L786" class="LineNr"> 786 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L787" class="LineNr"> 787 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L788" class="LineNr"> 788 </span>  <span class="muComment">#</span>
+<span id="L789" class="LineNr"> 789 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L790" class="LineNr"> 790 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L791" class="LineNr"> 791 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; 'a   &quot;</span>, <span class="Constant">&quot;F - test-run-quote/0&quot;</span>
+<span id="L792" class="LineNr"> 792 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L778'>test-run-quote</a>/1&quot;</span>
+<span id="L793" class="LineNr"> 793 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; a &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L778'>test-run-quote</a>/2&quot;</span>
+<span id="L794" class="LineNr"> 794 </span><span class="Delimiter">}</span>
+<span id="L795" class="LineNr"> 795 </span>
+<span id="L796" class="LineNr"> 796 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L796'>test-run-dotted-list</a></span> <span class="Delimiter">{</span>
+<span id="L797" class="LineNr"> 797 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L798" class="LineNr"> 798 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L799" class="LineNr"> 799 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . b)&quot;</span>
+<span id="L800" class="LineNr"> 800 </span>  <span class="muComment"># eval</span>
+<span id="L801" class="LineNr"> 801 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L802" class="LineNr"> 802 </span>  <span class="muComment"># setup: screen</span>
+<span id="L803" class="LineNr"> 803 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L804" class="LineNr"> 804 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L805" class="LineNr"> 805 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L806" class="LineNr"> 806 </span>  <span class="muComment">#</span>
+<span id="L807" class="LineNr"> 807 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L808" class="LineNr"> 808 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L809" class="LineNr"> 809 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . b)   &quot;</span>, <span class="Constant">&quot;F - test-run-dotted-list/0&quot;</span>
+<span id="L810" class="LineNr"> 810 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...        &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L796'>test-run-dotted-list</a>/1&quot;</span>
+<span id="L811" class="LineNr"> 811 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; (a . b) &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L796'>test-run-dotted-list</a>/2&quot;</span>
+<span id="L812" class="LineNr"> 812 </span><span class="Delimiter">}</span>
+<span id="L813" class="LineNr"> 813 </span>
+<span id="L814" class="LineNr"> 814 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L814'>test-run-dot-and-list</a></span> <span class="Delimiter">{</span>
+<span id="L815" class="LineNr"> 815 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L816" class="LineNr"> 816 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L817" class="LineNr"> 817 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . (b))&quot;</span>
+<span id="L818" class="LineNr"> 818 </span>  <span class="muComment"># eval</span>
+<span id="L819" class="LineNr"> 819 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L820" class="LineNr"> 820 </span>  <span class="muComment"># setup: screen</span>
+<span id="L821" class="LineNr"> 821 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L822" class="LineNr"> 822 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L823" class="LineNr"> 823 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L824" class="LineNr"> 824 </span>  <span class="muComment">#</span>
+<span id="L825" class="LineNr"> 825 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L826" class="LineNr"> 826 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L827" class="LineNr"> 827 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . (b)) &quot;</span>, <span class="Constant">&quot;F - test-run-dot-and-list/0&quot;</span>
+<span id="L828" class="LineNr"> 828 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...        &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L814'>test-run-dot-and-list</a>/1&quot;</span>
+<span id="L829" class="LineNr"> 829 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; (a b)   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L814'>test-run-dot-and-list</a>/2&quot;</span>
+<span id="L830" class="LineNr"> 830 </span><span class="Delimiter">}</span>
+<span id="L831" class="LineNr"> 831 </span>
+<span id="L832" class="LineNr"> 832 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L832'>test-run-final-dot</a></span> <span class="Delimiter">{</span>
+<span id="L833" class="LineNr"> 833 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L834" class="LineNr"> 834 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L835" class="LineNr"> 835 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a .)&quot;</span>
+<span id="L836" class="LineNr"> 836 </span>  <span class="muComment"># eval</span>
+<span id="L837" class="LineNr"> 837 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L838" class="LineNr"> 838 </span>  <span class="muComment"># setup: screen</span>
+<span id="L839" class="LineNr"> 839 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L840" class="LineNr"> 840 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L841" class="LineNr"> 841 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L842" class="LineNr"> 842 </span>  <span class="muComment">#</span>
+<span id="L843" class="LineNr"> 843 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L844" class="LineNr"> 844 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L845" class="LineNr"> 845 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a .)               &quot;</span>, <span class="Constant">&quot;F - test-run-final-dot/0&quot;</span>
+<span id="L846" class="LineNr"> 846 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L832'>test-run-final-dot</a>/1&quot;</span>
+<span id="L847" class="LineNr"> 847 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; '. )' makes no sense &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L832'>test-run-final-dot</a>/2&quot;</span>
+<span id="L848" class="LineNr"> 848 </span>  <span class="muComment"># further errors may occur</span>
+<span id="L849" class="LineNr"> 849 </span><span class="Delimiter">}</span>
+<span id="L850" class="LineNr"> 850 </span>
+<span id="L851" class="LineNr"> 851 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L851'>test-run-double-dot</a></span> <span class="Delimiter">{</span>
+<span id="L852" class="LineNr"> 852 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L854" class="LineNr"> 854 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . .)&quot;</span>
+<span id="L855" class="LineNr"> 855 </span>  <span class="muComment"># eval</span>
+<span id="L856" class="LineNr"> 856 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L857" class="LineNr"> 857 </span>  <span class="muComment"># setup: screen</span>
+<span id="L858" class="LineNr"> 858 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L859" class="LineNr"> 859 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L860" class="LineNr"> 860 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L861" class="LineNr"> 861 </span>  <span class="muComment">#</span>
+<span id="L862" class="LineNr"> 862 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L863" class="LineNr"> 863 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L864" class="LineNr"> 864 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . .)             &quot;</span>, <span class="Constant">&quot;F - test-run-double-dot/0&quot;</span>
+<span id="L865" class="LineNr"> 865 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L851'>test-run-double-dot</a>/1&quot;</span>
+<span id="L866" class="LineNr"> 866 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; '. .' makes no sense &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L851'>test-run-double-dot</a>/2&quot;</span>
+<span id="L867" class="LineNr"> 867 </span>  <span class="muComment"># further errors may occur</span>
+<span id="L868" class="LineNr"> 868 </span><span class="Delimiter">}</span>
+<span id="L869" class="LineNr"> 869 </span>
+<span id="L870" class="LineNr"> 870 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L870'>test-run-multiple-expressions-after-dot</a></span> <span class="Delimiter">{</span>
+<span id="L871" class="LineNr"> 871 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L872" class="LineNr"> 872 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L873" class="LineNr"> 873 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;'(a . b c)&quot;</span>
+<span id="L874" class="LineNr"> 874 </span>  <span class="muComment"># eval</span>
+<span id="L875" class="LineNr"> 875 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L876" class="LineNr"> 876 </span>  <span class="muComment"># setup: screen</span>
+<span id="L877" class="LineNr"> 877 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L878" class="LineNr"> 878 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L879" class="LineNr"> 879 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L880" class="LineNr"> 880 </span>  <span class="muComment">#</span>
+<span id="L881" class="LineNr"> 881 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L882" class="LineNr"> 882 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L883" class="LineNr"> 883 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; '(a . b c)                                           &quot;</span>, <span class="Constant">&quot;F - test-run-multiple-expressions-after-dot/0&quot;</span>
+<span id="L884" class="LineNr"> 884 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...                                                  &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L870'>test-run-multiple-expressions-after-dot</a>/1&quot;</span>
+<span id="L885" class="LineNr"> 885 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; cannot have multiple expressions between '.' and ')' &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L870'>test-run-multiple-expressions-after-dot</a>/2&quot;</span>
+<span id="L886" class="LineNr"> 886 </span>  <span class="muComment"># further errors may occur</span>
+<span id="L887" class="LineNr"> 887 </span><span class="Delimiter">}</span>
+<span id="L888" class="LineNr"> 888 </span>
+<span id="L889" class="LineNr"> 889 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L889'>test-run-stream</a></span> <span class="Delimiter">{</span>
+<span id="L890" class="LineNr"> 890 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L891" class="LineNr"> 891 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L892" class="LineNr"> 892 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;[a b]&quot;</span>
+<span id="L893" class="LineNr"> 893 </span>  <span class="muComment"># eval</span>
+<span id="L894" class="LineNr"> 894 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L895" class="LineNr"> 895 </span>  <span class="muComment"># setup: screen</span>
+<span id="L896" class="LineNr"> 896 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L897" class="LineNr"> 897 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L898" class="LineNr"> 898 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L899" class="LineNr"> 899 </span>  <span class="muComment">#</span>
+<span id="L900" class="LineNr"> 900 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L901" class="LineNr"> 901 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L902" class="LineNr"> 902 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot; [a b]    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L889'>test-run-stream</a>/0&quot;</span>
+<span id="L903" class="LineNr"> 903 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot; ...      &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L889'>test-run-stream</a>/1&quot;</span>
+<span id="L904" class="LineNr"> 904 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; [a b] &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L889'>test-run-stream</a>/2&quot;</span>
+<span id="L905" class="LineNr"> 905 </span><span class="Delimiter">}</span>
+<span id="L906" class="LineNr"> 906 </span>
+<span id="L907" class="LineNr"> 907 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a></span> <span class="Delimiter">{</span>
+<span id="L908" class="LineNr"> 908 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L909" class="LineNr"> 909 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L910" class="LineNr"> 910 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;12&quot;</span>
+<span id="L911" class="LineNr"> 911 </span>  <span class="muComment"># eval</span>
+<span id="L912" class="LineNr"> 912 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L913" class="LineNr"> 913 </span>  <span class="muComment"># setup: screen</span>
+<span id="L914" class="LineNr"> 914 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L915" class="LineNr"> 915 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L916" class="LineNr"> 916 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L917" class="LineNr"> 917 </span>  <span class="muComment">#</span>
+<span id="L918" class="LineNr"> 918 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L919" class="LineNr"> 919 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L920" class="LineNr"> 920 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-0&quot;</span>
+<span id="L921" class="LineNr"> 921 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-0/cursor&quot;</span>
+<span id="L922" class="LineNr"> 922 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-1&quot;</span>
+<span id="L923" class="LineNr"> 923 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-1/cursor&quot;</span>
+<span id="L924" class="LineNr"> 924 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-2&quot;</span>
+<span id="L925" class="LineNr"> 925 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/pre-2/cursor&quot;</span>
+<span id="L926" class="LineNr"> 926 </span>  <span class="muComment"># move cursor into trace</span>
+<span id="L927" class="LineNr"> 927 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L928" class="LineNr"> 928 </span>  <span class="muComment">#</span>
+<span id="L929" class="LineNr"> 929 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L930" class="LineNr"> 930 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L931" class="LineNr"> 931 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-0&quot;</span>
+<span id="L932" class="LineNr"> 932 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-0/cursor&quot;</span>
+<span id="L933" class="LineNr"> 933 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-1&quot;</span>
+<span id="L934" class="LineNr"> 934 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; |||   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-1/cursor&quot;</span>
+<span id="L935" class="LineNr"> 935 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-2&quot;</span>
+<span id="L936" class="LineNr"> 936 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/trace-2/cursor&quot;</span>
+<span id="L937" class="LineNr"> 937 </span>  <span class="muComment"># move cursor into input</span>
+<span id="L938" class="LineNr"> 938 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L939" class="LineNr"> 939 </span>  <span class="muComment">#</span>
+<span id="L940" class="LineNr"> 940 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L941" class="LineNr"> 941 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L942" class="LineNr"> 942 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-0&quot;</span>
+<span id="L943" class="LineNr"> 943 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-0/cursor&quot;</span>
+<span id="L944" class="LineNr"> 944 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-1&quot;</span>
+<span id="L945" class="LineNr"> 945 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-1/cursor&quot;</span>
+<span id="L946" class="LineNr"> 946 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-2&quot;</span>
+<span id="L947" class="LineNr"> 947 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L907'>test-run-move-cursor-into-trace</a>/input-2/cursor&quot;</span>
+<span id="L948" class="LineNr"> 948 </span><span class="Delimiter">}</span>
+<span id="L949" class="LineNr"> 949 </span>
+<span id="L950" class="LineNr"> 950 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='sandbox.mu.html#L950'>has-trace?</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L951" class="LineNr"> 951 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L952" class="LineNr"> 952 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle trace) <span class="Special">&lt;-</span> get self, trace
+<span id="L953" class="LineNr"> 953 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L954" class="LineNr"> 954 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> copy _trace
+<span id="L955" class="LineNr"> 955 </span>  compare trace, <span class="Constant">0</span>
+<span id="L956" class="LineNr"> 956 </span>  <span class="Delimiter">{</span>
+<span id="L957" class="LineNr"> 957 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L958" class="LineNr"> 958 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L959" class="LineNr"> 959 </span>  <span class="Delimiter">}</span>
+<span id="L960" class="LineNr"> 960 </span>  <span class="PreProc">var</span> first-free/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get trace, first-free
+<span id="L961" class="LineNr"> 961 </span>  compare *first-free, <span class="Constant">0</span>
+<span id="L962" class="LineNr"> 962 </span>  <span class="Delimiter">{</span>
+<span id="L963" class="LineNr"> 963 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L964" class="LineNr"> 964 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L965" class="LineNr"> 965 </span>  <span class="Delimiter">}</span>
+<span id="L966" class="LineNr"> 966 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L967" class="LineNr"> 967 </span><span class="Delimiter">}</span>
+<span id="L968" class="LineNr"> 968 </span>
+<span id="L969" class="LineNr"> 969 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L969'>test-run-expand-trace</a></span> <span class="Delimiter">{</span>
+<span id="L970" class="LineNr"> 970 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L971" class="LineNr"> 971 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L972" class="LineNr"> 972 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;12&quot;</span>
+<span id="L973" class="LineNr"> 973 </span>  <span class="muComment"># eval</span>
+<span id="L974" class="LineNr"> 974 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L975" class="LineNr"> 975 </span>  <span class="muComment"># setup: screen</span>
+<span id="L976" class="LineNr"> 976 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L977" class="LineNr"> 977 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L978" class="LineNr"> 978 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L979" class="LineNr"> 979 </span>  <span class="muComment">#</span>
+<span id="L980" class="LineNr"> 980 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L981" class="LineNr"> 981 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L982" class="LineNr"> 982 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-0&quot;</span>
+<span id="L983" class="LineNr"> 983 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-0/cursor&quot;</span>
+<span id="L984" class="LineNr"> 984 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-1&quot;</span>
+<span id="L985" class="LineNr"> 985 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-1/cursor&quot;</span>
+<span id="L986" class="LineNr"> 986 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-2&quot;</span>
+<span id="L987" class="LineNr"> 987 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre0-2/cursor&quot;</span>
+<span id="L988" class="LineNr"> 988 </span>  <span class="muComment"># move cursor into trace</span>
+<span id="L989" class="LineNr"> 989 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L990" class="LineNr"> 990 </span>  <span class="muComment">#</span>
+<span id="L991" class="LineNr"> 991 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L992" class="LineNr"> 992 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L993" class="LineNr"> 993 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-0&quot;</span>
+<span id="L994" class="LineNr"> 994 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-0/cursor&quot;</span>
+<span id="L995" class="LineNr"> 995 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-1&quot;</span>
+<span id="L996" class="LineNr"> 996 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; |||   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-1/cursor&quot;</span>
+<span id="L997" class="LineNr"> 997 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-2&quot;</span>
+<span id="L998" class="LineNr"> 998 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/pre1-2/cursor&quot;</span>
+<span id="L999" class="LineNr"> 999 </span>  <span class="muComment"># expand</span>
+<span id="L1000" class="LineNr">1000 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xa</span>/newline, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1001" class="LineNr">1001 </span>  <span class="muComment">#</span>
+<span id="L1002" class="LineNr">1002 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1003" class="LineNr">1003 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1004" class="LineNr">1004 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L1005" class="LineNr">1005 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-0&quot;</span>
+<span id="L1006" class="LineNr">1006 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-0/cursor&quot;</span>
+<span id="L1007" class="LineNr">1007 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; 1 toke&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-1&quot;</span>
+<span id="L1008" class="LineNr">1008 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; ||||||&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-1/cursor&quot;</span>
+<span id="L1009" class="LineNr">1009 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-2&quot;</span>
+<span id="L1010" class="LineNr">1010 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-2/cursor&quot;</span>
+<span id="L1011" class="LineNr">1011 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot; 1 pars&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-2&quot;</span>
+<span id="L1012" class="LineNr">1012 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L969'>test-run-expand-trace</a>/expand-2/cursor&quot;</span>
+<span id="L1013" class="LineNr">1013 </span><span class="Delimiter">}</span>
+<span id="L1014" class="LineNr">1014 </span>
+<span id="L1015" class="LineNr">1015 </span><span class="PreProc">fn</span> <span class="muTest"><a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a></span> <span class="Delimiter">{</span>
+<span id="L1016" class="LineNr">1016 </span>  <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L1017" class="LineNr">1017 </span>  <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special">&lt;-</span> address sandbox-storage
+<span id="L1018" class="LineNr">1018 </span>  <span class="muComment"># initialize sandbox with a max-depth of 3</span>
+<span id="L1019" class="LineNr">1019 </span>  <a href='sandbox.mu.html#L41'>initialize-sandbox-with</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">&quot;12&quot;</span>
+<span id="L1020" class="LineNr">1020 </span>  <span class="muComment"># eval</span>
+<span id="L1021" class="LineNr">1021 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1022" class="LineNr">1022 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1023" class="LineNr">1023 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1024" class="LineNr">1024 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1025" class="LineNr">1025 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1026" class="LineNr">1026 </span>  <span class="muComment">#</span>
+<span id="L1027" class="LineNr">1027 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1028" class="LineNr">1028 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L1029" class="LineNr">1029 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-0&quot;</span>
+<span id="L1030" class="LineNr">1030 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   |   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-0/cursor&quot;</span>
+<span id="L1031" class="LineNr">1031 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-1&quot;</span>
+<span id="L1032" class="LineNr">1032 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-1/cursor&quot;</span>
+<span id="L1033" class="LineNr">1033 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-2&quot;</span>
+<span id="L1034" class="LineNr">1034 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre0-2/cursor&quot;</span>
+<span id="L1035" class="LineNr">1035 </span>  <span class="muComment"># move cursor into trace</span>
+<span id="L1036" class="LineNr">1036 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1037" class="LineNr">1037 </span>  <span class="muComment">#</span>
+<span id="L1038" class="LineNr">1038 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1039" class="LineNr">1039 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L1040" class="LineNr">1040 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-0&quot;</span>
+<span id="L1041" class="LineNr">1041 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-0/cursor&quot;</span>
+<span id="L1042" class="LineNr">1042 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-1&quot;</span>
+<span id="L1043" class="LineNr">1043 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; |||   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-1/cursor&quot;</span>
+<span id="L1044" class="LineNr">1044 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; =&gt; 12 &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-2&quot;</span>
+<span id="L1045" class="LineNr">1045 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre1-2/cursor&quot;</span>
+<span id="L1046" class="LineNr">1046 </span>  <span class="muComment"># expand</span>
+<span id="L1047" class="LineNr">1047 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xa</span>/newline, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1048" class="LineNr">1048 </span>  <span class="muComment">#</span>
+<span id="L1049" class="LineNr">1049 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1050" class="LineNr">1050 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1051" class="LineNr">1051 </span>  <span class="muComment"># skip one line of padding</span>
+<span id="L1052" class="LineNr">1052 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-0&quot;</span>
+<span id="L1053" class="LineNr">1053 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-0/cursor&quot;</span>
+<span id="L1054" class="LineNr">1054 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; 1 toke&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-1&quot;</span>
+<span id="L1055" class="LineNr">1055 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot; ||||||&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-1/cursor&quot;</span>
+<span id="L1056" class="LineNr">1056 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-2&quot;</span>
+<span id="L1057" class="LineNr">1057 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-2/cursor&quot;</span>
+<span id="L1058" class="LineNr">1058 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot; 1 pars&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-2&quot;</span>
+<span id="L1059" class="LineNr">1059 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/pre2-2/cursor&quot;</span>
+<span id="L1060" class="LineNr">1060 </span>  <span class="muComment"># move cursor down and expand</span>
+<span id="L1061" class="LineNr">1061 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x6a</span>/j, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1062" class="LineNr">1062 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1063" class="LineNr">1063 </span>  <a href='sandbox.mu.html#L462'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0xa</span>/newline, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-disk, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-tweak-screen
+<span id="L1064" class="LineNr">1064 </span>  <span class="muComment">#</span>
+<span id="L1065" class="LineNr">1065 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1066" class="LineNr">1066 </span>  <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0x80</span>/width, <span class="Constant">0x10</span>/height
+<span id="L1067" class="LineNr">1067 </span>  <span class="muComment"># screen looks same as if trace max-depth was really high</span>
+<span id="L1068" class="LineNr">1068 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot; 12    &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-0&quot;</span>
+<span id="L1069" class="LineNr">1069 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-0/cursor&quot;</span>
+<span id="L1070" class="LineNr">1070 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot; 1 toke&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-1&quot;</span>
+<span id="L1071" class="LineNr">1071 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-1/cursor&quot;</span>
+<span id="L1072" class="LineNr">1072 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot; 2 next&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-2&quot;</span>
+<span id="L1073" class="LineNr">1073 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot; ||||||&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-2/cursor&quot;</span>
+<span id="L1074" class="LineNr">1074 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot; ...   &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-3&quot;</span>
+<span id="L1075" class="LineNr">1075 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-3/cursor&quot;</span>
+<span id="L1076" class="LineNr">1076 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">5</span>/y, <span class="Constant">&quot; 2 =&gt; 1&quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-4&quot;</span>
+<span id="L1077" class="LineNr">1077 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">5</span>/y, <span class="Constant">&quot;       &quot;</span>, <span class="Constant">&quot;F - <a href='sandbox.mu.html#L1015'>test-run-can-rerun-when-expanding-trace</a>/expand-4/cursor&quot;</span>
+<span id="L1078" class="LineNr">1078 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/tokenize.mu.html b/html/shell/tokenize.mu.html
index 2b14ee40..22c33dde 100644
--- a/html/shell/tokenize.mu.html
+++ b/html/shell/tokenize.mu.html
@@ -18,7 +18,6 @@ a { color:inherit; }
 .Special { color: #ff6060; }
 .LineNr { }
 .Constant { color: #008787; }
-.CommentedCode { color: #8a8a8a; }
 .Delimiter { color: #c000c0; }
 .muFunction { color: #af5f00; text-decoration: underline; }
 .muTest { color: #5f8700; }
@@ -63,8 +62,8 @@ if ('onhashchange' in window) {
 <span id="L3" class="LineNr">  3 </span><span class="muComment"># they always have text-data.</span>
 <span id="L4" class="LineNr">  4 </span>
 <span id="L5" class="LineNr">  5 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L5'>tokenize</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L6" class="LineNr">  6 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;tokenize&quot;</span>
-<span id="L7" class="LineNr">  7 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
+<span id="L6" class="LineNr">  6 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;tokenize&quot;</span>
+<span id="L7" class="LineNr">  7 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
 <span id="L8" class="LineNr">  8 </span>  <a href='gap-buffer.mu.html#L749'>rewind-gap-buffer</a> in
 <span id="L9" class="LineNr">  9 </span>  <span class="PreProc">var</span> token-storage: <a href='cell.mu.html#L1'>cell</a>
 <span id="L10" class="LineNr"> 10 </span>  <span class="PreProc">var</span> token/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address token-storage
@@ -73,947 +72,975 @@ if ('onhashchange' in window) {
 <span id="L13" class="LineNr"> 13 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
 <span id="L14" class="LineNr"> 14 </span>    compare done?, <span class="Constant">0</span>/false
 <span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L16" class="LineNr"> 16 </span>    <span class="muComment"># initialize token data each iteration to avoid aliasing</span>
-<span id="L17" class="LineNr"> 17 </span>    <span class="PreProc">var</span> dest-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get token, text-data
-<span id="L18" class="LineNr"> 18 </span>    <span class="muComment"># I'm allocating 1KB for every. single. token. Just because a whole definition needs to fit in a string sometimes. Absolutely bonkers.</span>
-<span id="L19" class="LineNr"> 19 </span>    populate-stream dest-ah, <span class="Constant">0x400</span>/max-definition-size
-<span id="L20" class="LineNr"> 20 </span>    <span class="muComment">#</span>
-<span id="L21" class="LineNr"> 21 </span>    <a href='tokenize.mu.html#L203'>next-token</a> in, token, trace
-<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">var</span> skip?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L944'>comment-token?</a> token
-<span id="L23" class="LineNr"> 23 </span>    compare skip?, <span class="Constant">0</span>/false
-<span id="L24" class="LineNr"> 24 </span>    <span class="PreProc">loop-if-!=</span>
-<span id="L25" class="LineNr"> 25 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
-<span id="L26" class="LineNr"> 26 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L27" class="LineNr"> 27 </span>    <span class="Delimiter">{</span>
-<span id="L28" class="LineNr"> 28 </span>      <span class="PreProc">break-if-=</span>
-<span id="L29" class="LineNr"> 29 </span>      <span class="PreProc">return</span>
-<span id="L30" class="LineNr"> 30 </span>    <span class="Delimiter">}</span>
-<span id="L31" class="LineNr"> 31 </span>    <a href='../309stream.subx.html#L54'>write-to-stream</a> out, token  <span class="muComment"># shallow-copy text-data</span>
-<span id="L32" class="LineNr"> 32 </span>    <span class="PreProc">loop</span>
-<span id="L33" class="LineNr"> 33 </span>  <span class="Delimiter">}</span>
-<span id="L34" class="LineNr"> 34 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">}</span>
-<span id="L36" class="LineNr"> 36 </span>
-<span id="L37" class="LineNr"> 37 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L37'>test-tokenize-quote</a></span> <span class="Delimiter">{</span>
-<span id="L38" class="LineNr"> 38 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L39" class="LineNr"> 39 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L40" class="LineNr"> 40 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;'(a)&quot;</span>
-<span id="L41" class="LineNr"> 41 </span>  <span class="muComment">#</span>
-<span id="L42" class="LineNr"> 42 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L43" class="LineNr"> 43 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L44" class="LineNr"> 44 </span>  <span class="muComment">#</span>
-<span id="L45" class="LineNr"> 45 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
-<span id="L46" class="LineNr"> 46 </span>  <span class="muComment">#</span>
-<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L48" class="LineNr"> 48 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L49" class="LineNr"> 49 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L50" class="LineNr"> 50 </span>  <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L840'>quote-token?</a> curr-token
-<span id="L51" class="LineNr"> 51 </span>  <a href='../502test.mu.html#L19'>check</a> quote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L37'>test-tokenize-quote</a>: quote&quot;</span>
-<span id="L52" class="LineNr"> 52 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L53" class="LineNr"> 53 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L876'>open-paren-token?</a> curr-token
-<span id="L54" class="LineNr"> 54 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L37'>test-tokenize-quote</a>: open paren&quot;</span>
-<span id="L55" class="LineNr"> 55 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
-<span id="L56" class="LineNr"> 56 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L57" class="LineNr"> 57 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L892'>close-paren-token?</a> curr-token
-<span id="L58" class="LineNr"> 58 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L37'>test-tokenize-quote</a>: close paren&quot;</span>
-<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">}</span>
-<span id="L60" class="LineNr"> 60 </span>
-<span id="L61" class="LineNr"> 61 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L61'>test-tokenize-backquote</a></span> <span class="Delimiter">{</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L63" class="LineNr"> 63 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L64" class="LineNr"> 64 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;`(a)&quot;</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="muComment">#</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L67" class="LineNr"> 67 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L68" class="LineNr"> 68 </span>  <span class="muComment">#</span>
-<span id="L69" class="LineNr"> 69 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
-<span id="L70" class="LineNr"> 70 </span>  <span class="muComment">#</span>
-<span id="L71" class="LineNr"> 71 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L72" class="LineNr"> 72 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L73" class="LineNr"> 73 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L74" class="LineNr"> 74 </span>  <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L849'>backquote-token?</a> curr-token
-<span id="L75" class="LineNr"> 75 </span>  <a href='../502test.mu.html#L19'>check</a> backquote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L61'>test-tokenize-backquote</a>: backquote&quot;</span>
-<span id="L76" class="LineNr"> 76 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L77" class="LineNr"> 77 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L876'>open-paren-token?</a> curr-token
-<span id="L78" class="LineNr"> 78 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L61'>test-tokenize-backquote</a>: open paren&quot;</span>
-<span id="L79" class="LineNr"> 79 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
-<span id="L80" class="LineNr"> 80 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L81" class="LineNr"> 81 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L892'>close-paren-token?</a> curr-token
-<span id="L82" class="LineNr"> 82 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L61'>test-tokenize-backquote</a>: close paren&quot;</span>
-<span id="L83" class="LineNr"> 83 </span><span class="Delimiter">}</span>
-<span id="L84" class="LineNr"> 84 </span>
-<span id="L85" class="LineNr"> 85 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L85'>test-tokenize-unquote</a></span> <span class="Delimiter">{</span>
-<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L87" class="LineNr"> 87 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L88" class="LineNr"> 88 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;,(a)&quot;</span>
-<span id="L89" class="LineNr"> 89 </span>  <span class="muComment">#</span>
-<span id="L90" class="LineNr"> 90 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L91" class="LineNr"> 91 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L92" class="LineNr"> 92 </span>  <span class="muComment">#</span>
-<span id="L93" class="LineNr"> 93 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
+<span id="L16" class="LineNr"> 16 </span>    <span class="muComment">#</span>
+<span id="L17" class="LineNr"> 17 </span>    <a href='tokenize.mu.html#L220'>next-token</a> in, token, trace
+<span id="L18" class="LineNr"> 18 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L83'>has-errors?</a> trace
+<span id="L19" class="LineNr"> 19 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L20" class="LineNr"> 20 </span>    <span class="Delimiter">{</span>
+<span id="L21" class="LineNr"> 21 </span>      <span class="PreProc">break-if-=</span>
+<span id="L22" class="LineNr"> 22 </span>      <span class="PreProc">return</span>
+<span id="L23" class="LineNr"> 23 </span>    <span class="Delimiter">}</span>
+<span id="L24" class="LineNr"> 24 </span>    <span class="PreProc">var</span> skip?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L972'>comment-token?</a> token
+<span id="L25" class="LineNr"> 25 </span>    compare skip?, <span class="Constant">0</span>/false
+<span id="L26" class="LineNr"> 26 </span>    <span class="PreProc">loop-if-!=</span>
+<span id="L27" class="LineNr"> 27 </span>    <a href='../309stream.subx.html#L54'>write-to-stream</a> out, token  <span class="muComment"># shallow-copy text-data</span>
+<span id="L28" class="LineNr"> 28 </span>    <span class="PreProc">loop</span>
+<span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
+<span id="L30" class="LineNr"> 30 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">}</span>
+<span id="L32" class="LineNr"> 32 </span>
+<span id="L33" class="LineNr"> 33 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L33'>test-tokenize-quote</a></span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L36" class="LineNr"> 36 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;'(a)&quot;</span>
+<span id="L37" class="LineNr"> 37 </span>  <span class="muComment">#</span>
+<span id="L38" class="LineNr"> 38 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L39" class="LineNr"> 39 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L40" class="LineNr"> 40 </span>  <span class="muComment">#</span>
+<span id="L41" class="LineNr"> 41 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L42" class="LineNr"> 42 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L43" class="LineNr"> 43 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L44" class="LineNr"> 44 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L45" class="LineNr"> 45 </span>  <span class="muComment">#</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L48" class="LineNr"> 48 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L49" class="LineNr"> 49 </span>  <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L868'>quote-token?</a> curr-token
+<span id="L50" class="LineNr"> 50 </span>  <a href='../502test.mu.html#L19'>check</a> quote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L33'>test-tokenize-quote</a>: quote&quot;</span>
+<span id="L51" class="LineNr"> 51 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L52" class="LineNr"> 52 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L904'>open-paren-token?</a> curr-token
+<span id="L53" class="LineNr"> 53 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L33'>test-tokenize-quote</a>: open paren&quot;</span>
+<span id="L54" class="LineNr"> 54 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
+<span id="L55" class="LineNr"> 55 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L56" class="LineNr"> 56 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L920'>close-paren-token?</a> curr-token
+<span id="L57" class="LineNr"> 57 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L33'>test-tokenize-quote</a>: close paren&quot;</span>
+<span id="L58" class="LineNr"> 58 </span><span class="Delimiter">}</span>
+<span id="L59" class="LineNr"> 59 </span>
+<span id="L60" class="LineNr"> 60 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L60'>test-tokenize-backquote</a></span> <span class="Delimiter">{</span>
+<span id="L61" class="LineNr"> 61 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L62" class="LineNr"> 62 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L63" class="LineNr"> 63 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;`(a)&quot;</span>
+<span id="L64" class="LineNr"> 64 </span>  <span class="muComment">#</span>
+<span id="L65" class="LineNr"> 65 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L67" class="LineNr"> 67 </span>  <span class="muComment">#</span>
+<span id="L68" class="LineNr"> 68 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L69" class="LineNr"> 69 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L70" class="LineNr"> 70 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L71" class="LineNr"> 71 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L72" class="LineNr"> 72 </span>  <span class="muComment">#</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L74" class="LineNr"> 74 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L75" class="LineNr"> 75 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L76" class="LineNr"> 76 </span>  <span class="PreProc">var</span> backquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L877'>backquote-token?</a> curr-token
+<span id="L77" class="LineNr"> 77 </span>  <a href='../502test.mu.html#L19'>check</a> backquote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L60'>test-tokenize-backquote</a>: backquote&quot;</span>
+<span id="L78" class="LineNr"> 78 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L79" class="LineNr"> 79 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L904'>open-paren-token?</a> curr-token
+<span id="L80" class="LineNr"> 80 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L60'>test-tokenize-backquote</a>: open paren&quot;</span>
+<span id="L81" class="LineNr"> 81 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
+<span id="L82" class="LineNr"> 82 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L83" class="LineNr"> 83 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L920'>close-paren-token?</a> curr-token
+<span id="L84" class="LineNr"> 84 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L60'>test-tokenize-backquote</a>: close paren&quot;</span>
+<span id="L85" class="LineNr"> 85 </span><span class="Delimiter">}</span>
+<span id="L86" class="LineNr"> 86 </span>
+<span id="L87" class="LineNr"> 87 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L87'>test-tokenize-unquote</a></span> <span class="Delimiter">{</span>
+<span id="L88" class="LineNr"> 88 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L89" class="LineNr"> 89 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L90" class="LineNr"> 90 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;,(a)&quot;</span>
+<span id="L91" class="LineNr"> 91 </span>  <span class="muComment">#</span>
+<span id="L92" class="LineNr"> 92 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L93" class="LineNr"> 93 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
 <span id="L94" class="LineNr"> 94 </span>  <span class="muComment">#</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L96" class="LineNr"> 96 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L97" class="LineNr"> 97 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L98" class="LineNr"> 98 </span>  <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L858'>unquote-token?</a> curr-token
-<span id="L99" class="LineNr"> 99 </span>  <a href='../502test.mu.html#L19'>check</a> unquote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L85'>test-tokenize-unquote</a>: unquote&quot;</span>
-<span id="L100" class="LineNr">100 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L876'>open-paren-token?</a> curr-token
-<span id="L102" class="LineNr">102 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L85'>test-tokenize-unquote</a>: open paren&quot;</span>
-<span id="L103" class="LineNr">103 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
-<span id="L104" class="LineNr">104 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L105" class="LineNr">105 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L892'>close-paren-token?</a> curr-token
-<span id="L106" class="LineNr">106 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L85'>test-tokenize-unquote</a>: close paren&quot;</span>
-<span id="L107" class="LineNr">107 </span><span class="Delimiter">}</span>
-<span id="L108" class="LineNr">108 </span>
-<span id="L109" class="LineNr">109 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L109'>test-tokenize-unquote-splice</a></span> <span class="Delimiter">{</span>
-<span id="L110" class="LineNr">110 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L111" class="LineNr">111 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L112" class="LineNr">112 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;,@a&quot;</span>
-<span id="L113" class="LineNr">113 </span>  <span class="muComment">#</span>
-<span id="L114" class="LineNr">114 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L115" class="LineNr">115 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L116" class="LineNr">116 </span>  <span class="muComment">#</span>
-<span id="L117" class="LineNr">117 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
+<span id="L95" class="LineNr"> 95 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L96" class="LineNr"> 96 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L97" class="LineNr"> 97 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L98" class="LineNr"> 98 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L99" class="LineNr"> 99 </span>  <span class="muComment">#</span>
+<span id="L100" class="LineNr">100 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L101" class="LineNr">101 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L102" class="LineNr">102 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L103" class="LineNr">103 </span>  <span class="PreProc">var</span> unquote?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L886'>unquote-token?</a> curr-token
+<span id="L104" class="LineNr">104 </span>  <a href='../502test.mu.html#L19'>check</a> unquote?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L87'>test-tokenize-unquote</a>: unquote&quot;</span>
+<span id="L105" class="LineNr">105 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L904'>open-paren-token?</a> curr-token
+<span id="L107" class="LineNr">107 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L87'>test-tokenize-unquote</a>: open paren&quot;</span>
+<span id="L108" class="LineNr">108 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
+<span id="L109" class="LineNr">109 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L110" class="LineNr">110 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L920'>close-paren-token?</a> curr-token
+<span id="L111" class="LineNr">111 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L87'>test-tokenize-unquote</a>: close paren&quot;</span>
+<span id="L112" class="LineNr">112 </span><span class="Delimiter">}</span>
+<span id="L113" class="LineNr">113 </span>
+<span id="L114" class="LineNr">114 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L114'>test-tokenize-unquote-splice</a></span> <span class="Delimiter">{</span>
+<span id="L115" class="LineNr">115 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L116" class="LineNr">116 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L117" class="LineNr">117 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;,@a&quot;</span>
 <span id="L118" class="LineNr">118 </span>  <span class="muComment">#</span>
-<span id="L119" class="LineNr">119 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L120" class="LineNr">120 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L121" class="LineNr">121 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L122" class="LineNr">122 </span>  <span class="PreProc">var</span> unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L867'>unquote-splice-token?</a> curr-token
-<span id="L123" class="LineNr">123 </span>  <a href='../502test.mu.html#L19'>check</a> unquote-splice?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L109'>test-tokenize-unquote-splice</a>: unquote-splice&quot;</span>
-<span id="L124" class="LineNr">124 </span><span class="Delimiter">}</span>
-<span id="L125" class="LineNr">125 </span>
-<span id="L126" class="LineNr">126 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L126'>test-tokenize-dotted-list</a></span> <span class="Delimiter">{</span>
-<span id="L127" class="LineNr">127 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L128" class="LineNr">128 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L129" class="LineNr">129 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;(a . b)&quot;</span>
-<span id="L130" class="LineNr">130 </span>  <span class="muComment">#</span>
-<span id="L131" class="LineNr">131 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L132" class="LineNr">132 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L133" class="LineNr">133 </span>  <span class="muComment">#</span>
-<span id="L134" class="LineNr">134 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
-<span id="L135" class="LineNr">135 </span>  <span class="muComment">#</span>
-<span id="L136" class="LineNr">136 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L137" class="LineNr">137 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L138" class="LineNr">138 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L139" class="LineNr">139 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L876'>open-paren-token?</a> curr-token
-<span id="L140" class="LineNr">140 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L126'>test-tokenize-dotted-list</a>: open paren&quot;</span>
-<span id="L141" class="LineNr">141 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
-<span id="L142" class="LineNr">142 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L143" class="LineNr">143 </span>  <span class="PreProc">var</span> dot?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L908'>dot-token?</a> curr-token
-<span id="L144" class="LineNr">144 </span>  <a href='../502test.mu.html#L19'>check</a> dot?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L126'>test-tokenize-dotted-list</a>: dot&quot;</span>
-<span id="L145" class="LineNr">145 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip b</span>
-<span id="L146" class="LineNr">146 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L892'>close-paren-token?</a> curr-token
-<span id="L148" class="LineNr">148 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L126'>test-tokenize-dotted-list</a>: close paren&quot;</span>
-<span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span>
-<span id="L150" class="LineNr">150 </span>
-<span id="L151" class="LineNr">151 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L151'>test-tokenize-stream-literal</a></span> <span class="Delimiter">{</span>
-<span id="L152" class="LineNr">152 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L153" class="LineNr">153 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L154" class="LineNr">154 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;[abc def]&quot;</span>
-<span id="L155" class="LineNr">155 </span>  <span class="muComment">#</span>
-<span id="L156" class="LineNr">156 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L157" class="LineNr">157 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L158" class="LineNr">158 </span>  <span class="muComment">#</span>
-<span id="L159" class="LineNr">159 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
-<span id="L160" class="LineNr">160 </span>  <span class="muComment">#</span>
-<span id="L161" class="LineNr">161 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L162" class="LineNr">162 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L163" class="LineNr">163 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L164" class="LineNr">164 </span>  <span class="PreProc">var</span> stream?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L933'>stream-token?</a> curr-token
-<span id="L165" class="LineNr">165 </span>  <a href='../502test.mu.html#L19'>check</a> stream?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L151'>test-tokenize-stream-literal</a>: type&quot;</span>
-<span id="L166" class="LineNr">166 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
-<span id="L167" class="LineNr">167 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
-<span id="L168" class="LineNr">168 </span>  <span class="PreProc">var</span> data-equal?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> curr-token-data, <span class="Constant">&quot;abc def&quot;</span>
-<span id="L169" class="LineNr">169 </span>  <a href='../502test.mu.html#L19'>check</a> data-equal?, <span class="Constant">&quot;F - test-tokenize-stream-literal&quot;</span>
-<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> stream
-<span id="L171" class="LineNr">171 </span>  <a href='../502test.mu.html#L19'>check</a> empty?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L151'>test-tokenize-stream-literal</a>: empty?&quot;</span>
-<span id="L172" class="LineNr">172 </span><span class="Delimiter">}</span>
-<span id="L173" class="LineNr">173 </span>
-<span id="L174" class="LineNr">174 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L174'>test-tokenize-stream-literal-in-tree</a></span> <span class="Delimiter">{</span>
-<span id="L175" class="LineNr">175 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
-<span id="L176" class="LineNr">176 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
-<span id="L177" class="LineNr">177 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;([abc def])&quot;</span>
-<span id="L178" class="LineNr">178 </span>  <span class="muComment">#</span>
-<span id="L179" class="LineNr">179 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
-<span id="L180" class="LineNr">180 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
-<span id="L181" class="LineNr">181 </span>  <span class="muComment">#</span>
-<span id="L182" class="LineNr">182 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, <span class="Constant">0</span>/no-trace
-<span id="L183" class="LineNr">183 </span>  <span class="muComment">#</span>
-<span id="L184" class="LineNr">184 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
-<span id="L185" class="LineNr">185 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
-<span id="L186" class="LineNr">186 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L187" class="LineNr">187 </span>  <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L823'>bracket-token?</a> curr-token
-<span id="L188" class="LineNr">188 </span>  <a href='../502test.mu.html#L19'>check</a> bracket?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L174'>test-tokenize-stream-literal-in-tree</a>: open paren&quot;</span>
-<span id="L189" class="LineNr">189 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L190" class="LineNr">190 </span>  <span class="PreProc">var</span> stream?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L933'>stream-token?</a> curr-token
-<span id="L191" class="LineNr">191 </span>  <a href='../502test.mu.html#L19'>check</a> stream?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L174'>test-tokenize-stream-literal-in-tree</a>: type&quot;</span>
-<span id="L192" class="LineNr">192 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
-<span id="L193" class="LineNr">193 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
-<span id="L194" class="LineNr">194 </span>  <span class="PreProc">var</span> data-equal?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> curr-token-data, <span class="Constant">&quot;abc def&quot;</span>
-<span id="L195" class="LineNr">195 </span>  <a href='../502test.mu.html#L19'>check</a> data-equal?, <span class="Constant">&quot;F - test-tokenize-stream-literal-in-tree&quot;</span>
-<span id="L196" class="LineNr">196 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
-<span id="L197" class="LineNr">197 </span>  <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L823'>bracket-token?</a> curr-token
-<span id="L198" class="LineNr">198 </span>  <a href='../502test.mu.html#L19'>check</a> bracket?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L174'>test-tokenize-stream-literal-in-tree</a>: close paren&quot;</span>
-<span id="L199" class="LineNr">199 </span>  <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> stream
-<span id="L200" class="LineNr">200 </span>  <a href='../502test.mu.html#L19'>check</a> empty?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L174'>test-tokenize-stream-literal-in-tree</a>: empty?&quot;</span>
-<span id="L201" class="LineNr">201 </span><span class="Delimiter">}</span>
-<span id="L202" class="LineNr">202 </span>
-<span id="L203" class="LineNr">203 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L203'>next-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), _out-cell: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L204" class="LineNr">204 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;next-token&quot;</span>
-<span id="L205" class="LineNr">205 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L206" class="LineNr">206 </span>  <span class="PreProc">var</span> out-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-cell
-<span id="L207" class="LineNr">207 </span>  <span class="Delimiter">{</span>
-<span id="L208" class="LineNr">208 </span>    <span class="PreProc">var</span> out-cell-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get out-cell, <span class="PreProc">type</span>
-<span id="L209" class="LineNr">209 </span>    copy-to *out-cell-type, <span class="Constant">0</span>/uninitialized
-<span id="L210" class="LineNr">210 </span>  <span class="Delimiter">}</span>
-<span id="L211" class="LineNr">211 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get out-cell, text-data
-<span id="L212" class="LineNr">212 </span>  <span class="PreProc">var</span> _out/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
-<span id="L213" class="LineNr">213 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _out
-<span id="L214" class="LineNr">214 </span>  $next-token:body: <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>    <a href='../106stream.subx.html#L20'>clear-stream</a> out
-<span id="L216" class="LineNr">216 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
-<span id="L217" class="LineNr">217 </span><span class="CommentedCode">#?     draw-grapheme-at-cursor 0/screen, g, 7/fg, 0/bg</span>
-<span id="L218" class="LineNr">218 </span><span class="CommentedCode">#?     move-cursor-rightward-and-downward 0/screen, 0, 0x80</span>
-<span id="L219" class="LineNr">219 </span>    <span class="Delimiter">{</span>
-<span id="L220" class="LineNr">220 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L221" class="LineNr">221 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L222" class="LineNr">222 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
-<span id="L223" class="LineNr">223 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
-<span id="L224" class="LineNr">224 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
-<span id="L225" class="LineNr">225 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L226" class="LineNr">226 </span>    <span class="Delimiter">}</span>
-<span id="L227" class="LineNr">227 </span>    <span class="muComment"># comment</span>
-<span id="L228" class="LineNr">228 </span>    <span class="Delimiter">{</span>
-<span id="L229" class="LineNr">229 </span>      compare g, <span class="Constant">0x23</span>/comment
-<span id="L230" class="LineNr">230 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L231" class="LineNr">231 </span>      <a href='tokenize.mu.html#L477'>rest-of-line</a> in, out, trace
-<span id="L232" class="LineNr">232 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L233" class="LineNr">233 </span>    <span class="Delimiter">}</span>
-<span id="L234" class="LineNr">234 </span>    <span class="muComment"># digit</span>
-<span id="L235" class="LineNr">235 </span>    <span class="Delimiter">{</span>
-<span id="L236" class="LineNr">236 </span>      <span class="PreProc">var</span> digit?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
-<span id="L237" class="LineNr">237 </span>      compare digit?, <span class="Constant">0</span>/false
-<span id="L238" class="LineNr">238 </span>      <span class="PreProc">break-if-=</span>
-<span id="L239" class="LineNr">239 </span>      <a href='tokenize.mu.html#L402'>next-number-token</a> in, out, trace
-<span id="L240" class="LineNr">240 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L241" class="LineNr">241 </span>    <span class="Delimiter">}</span>
-<span id="L242" class="LineNr">242 </span>    <span class="muComment"># other symbol char</span>
+<span id="L119" class="LineNr">119 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L120" class="LineNr">120 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L121" class="LineNr">121 </span>  <span class="muComment">#</span>
+<span id="L122" class="LineNr">122 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L123" class="LineNr">123 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L124" class="LineNr">124 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L125" class="LineNr">125 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L126" class="LineNr">126 </span>  <span class="muComment">#</span>
+<span id="L127" class="LineNr">127 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L128" class="LineNr">128 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L129" class="LineNr">129 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L130" class="LineNr">130 </span>  <span class="PreProc">var</span> unquote-splice?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L895'>unquote-splice-token?</a> curr-token
+<span id="L131" class="LineNr">131 </span>  <a href='../502test.mu.html#L19'>check</a> unquote-splice?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L114'>test-tokenize-unquote-splice</a>: unquote-splice&quot;</span>
+<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
+<span id="L133" class="LineNr">133 </span>
+<span id="L134" class="LineNr">134 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L134'>test-tokenize-dotted-list</a></span> <span class="Delimiter">{</span>
+<span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L136" class="LineNr">136 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L137" class="LineNr">137 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;(a . b)&quot;</span>
+<span id="L138" class="LineNr">138 </span>  <span class="muComment">#</span>
+<span id="L139" class="LineNr">139 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L140" class="LineNr">140 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L141" class="LineNr">141 </span>  <span class="muComment">#</span>
+<span id="L142" class="LineNr">142 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L143" class="LineNr">143 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L144" class="LineNr">144 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L145" class="LineNr">145 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L146" class="LineNr">146 </span>  <span class="muComment">#</span>
+<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L148" class="LineNr">148 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L149" class="LineNr">149 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> open-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L904'>open-paren-token?</a> curr-token
+<span id="L151" class="LineNr">151 </span>  <a href='../502test.mu.html#L19'>check</a> open-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L134'>test-tokenize-dotted-list</a>: open paren&quot;</span>
+<span id="L152" class="LineNr">152 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip a</span>
+<span id="L153" class="LineNr">153 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L154" class="LineNr">154 </span>  <span class="PreProc">var</span> dot?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L936'>dot-token?</a> curr-token
+<span id="L155" class="LineNr">155 </span>  <a href='../502test.mu.html#L19'>check</a> dot?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L134'>test-tokenize-dotted-list</a>: dot&quot;</span>
+<span id="L156" class="LineNr">156 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token  <span class="muComment"># skip b</span>
+<span id="L157" class="LineNr">157 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L158" class="LineNr">158 </span>  <span class="PreProc">var</span> close-paren?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L920'>close-paren-token?</a> curr-token
+<span id="L159" class="LineNr">159 </span>  <a href='../502test.mu.html#L19'>check</a> close-paren?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L134'>test-tokenize-dotted-list</a>: close paren&quot;</span>
+<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span>
+<span id="L161" class="LineNr">161 </span>
+<span id="L162" class="LineNr">162 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L162'>test-tokenize-stream-literal</a></span> <span class="Delimiter">{</span>
+<span id="L163" class="LineNr">163 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L164" class="LineNr">164 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L165" class="LineNr">165 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;[abc def]&quot;</span>
+<span id="L166" class="LineNr">166 </span>  <span class="muComment">#</span>
+<span id="L167" class="LineNr">167 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L168" class="LineNr">168 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L169" class="LineNr">169 </span>  <span class="muComment">#</span>
+<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L171" class="LineNr">171 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L172" class="LineNr">172 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L173" class="LineNr">173 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L174" class="LineNr">174 </span>  <span class="muComment">#</span>
+<span id="L175" class="LineNr">175 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L176" class="LineNr">176 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L177" class="LineNr">177 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L178" class="LineNr">178 </span>  <span class="PreProc">var</span> stream?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L961'>stream-token?</a> curr-token
+<span id="L179" class="LineNr">179 </span>  <a href='../502test.mu.html#L19'>check</a> stream?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L162'>test-tokenize-stream-literal</a>: type&quot;</span>
+<span id="L180" class="LineNr">180 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
+<span id="L181" class="LineNr">181 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
+<span id="L182" class="LineNr">182 </span>  <span class="PreProc">var</span> data-equal?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> curr-token-data, <span class="Constant">&quot;abc def&quot;</span>
+<span id="L183" class="LineNr">183 </span>  <a href='../502test.mu.html#L19'>check</a> data-equal?, <span class="Constant">&quot;F - test-tokenize-stream-literal&quot;</span>
+<span id="L184" class="LineNr">184 </span>  <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> stream
+<span id="L185" class="LineNr">185 </span>  <a href='../502test.mu.html#L19'>check</a> empty?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L162'>test-tokenize-stream-literal</a>: empty?&quot;</span>
+<span id="L186" class="LineNr">186 </span><span class="Delimiter">}</span>
+<span id="L187" class="LineNr">187 </span>
+<span id="L188" class="LineNr">188 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L188'>test-tokenize-stream-literal-in-tree</a></span> <span class="Delimiter">{</span>
+<span id="L189" class="LineNr">189 </span>  <span class="PreProc">var</span> in-storage: <a href='gap-buffer.mu.html#L3'>gap-buffer</a>
+<span id="L190" class="LineNr">190 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> address in-storage
+<span id="L191" class="LineNr">191 </span>  <a href='gap-buffer.mu.html#L37'>initialize-gap-buffer-with</a> in, <span class="Constant">&quot;([abc def])&quot;</span>
+<span id="L192" class="LineNr">192 </span>  <span class="muComment">#</span>
+<span id="L193" class="LineNr">193 </span>  <span class="PreProc">var</span> stream-storage: (stream <a href='cell.mu.html#L1'>cell</a> <span class="Constant">0x10</span>)
+<span id="L194" class="LineNr">194 </span>  <span class="PreProc">var</span> stream/<span class="Constant">edi</span>: (addr stream <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address stream-storage
+<span id="L195" class="LineNr">195 </span>  <span class="muComment">#</span>
+<span id="L196" class="LineNr">196 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L197" class="LineNr">197 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L198" class="LineNr">198 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
+<span id="L199" class="LineNr">199 </span>  <a href='tokenize.mu.html#L5'>tokenize</a> in, stream, trace
+<span id="L200" class="LineNr">200 </span>  <span class="muComment">#</span>
+<span id="L201" class="LineNr">201 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='cell.mu.html#L1'>cell</a>
+<span id="L202" class="LineNr">202 </span>  <span class="PreProc">var</span> curr-token/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-token-storage
+<span id="L203" class="LineNr">203 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L204" class="LineNr">204 </span>  <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L851'>bracket-token?</a> curr-token
+<span id="L205" class="LineNr">205 </span>  <a href='../502test.mu.html#L19'>check</a> bracket?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L188'>test-tokenize-stream-literal-in-tree</a>: open paren&quot;</span>
+<span id="L206" class="LineNr">206 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L207" class="LineNr">207 </span>  <span class="PreProc">var</span> stream?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L961'>stream-token?</a> curr-token
+<span id="L208" class="LineNr">208 </span>  <a href='../502test.mu.html#L19'>check</a> stream?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L188'>test-tokenize-stream-literal-in-tree</a>: type&quot;</span>
+<span id="L209" class="LineNr">209 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
+<span id="L210" class="LineNr">210 </span>  <span class="PreProc">var</span> curr-token-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-token-data-ah
+<span id="L211" class="LineNr">211 </span>  <span class="PreProc">var</span> data-equal?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> curr-token-data, <span class="Constant">&quot;abc def&quot;</span>
+<span id="L212" class="LineNr">212 </span>  <a href='../502test.mu.html#L19'>check</a> data-equal?, <span class="Constant">&quot;F - test-tokenize-stream-literal-in-tree&quot;</span>
+<span id="L213" class="LineNr">213 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> stream, curr-token
+<span id="L214" class="LineNr">214 </span>  <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L851'>bracket-token?</a> curr-token
+<span id="L215" class="LineNr">215 </span>  <a href='../502test.mu.html#L19'>check</a> bracket?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L188'>test-tokenize-stream-literal-in-tree</a>: close paren&quot;</span>
+<span id="L216" class="LineNr">216 </span>  <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> stream
+<span id="L217" class="LineNr">217 </span>  <a href='../502test.mu.html#L19'>check</a> empty?, <span class="Constant">&quot;F - <a href='tokenize.mu.html#L188'>test-tokenize-stream-literal-in-tree</a>: empty?&quot;</span>
+<span id="L218" class="LineNr">218 </span><span class="Delimiter">}</span>
+<span id="L219" class="LineNr">219 </span>
+<span id="L220" class="LineNr">220 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L220'>next-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), _out-cell: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L221" class="LineNr">221 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;next-token&quot;</span>
+<span id="L222" class="LineNr">222 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L223" class="LineNr">223 </span>  <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L224" class="LineNr">224 </span>  <span class="PreProc">var</span> g/<span class="Constant">ecx</span>: grapheme <span class="Special">&lt;-</span> copy _g
+<span id="L225" class="LineNr">225 </span>  <span class="Delimiter">{</span>
+<span id="L226" class="LineNr">226 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L227" class="LineNr">227 </span>    <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L228" class="LineNr">228 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
+<span id="L229" class="LineNr">229 </span>    <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
+<span id="L230" class="LineNr">230 </span>    <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
+<span id="L231" class="LineNr">231 </span>    trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L232" class="LineNr">232 </span>  <span class="Delimiter">}</span>
+<span id="L233" class="LineNr">233 </span>  <span class="PreProc">var</span> out-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-cell
+<span id="L234" class="LineNr">234 </span>  <span class="Delimiter">{</span>
+<span id="L235" class="LineNr">235 </span>    <span class="PreProc">var</span> out-cell-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get out-cell, <span class="PreProc">type</span>
+<span id="L236" class="LineNr">236 </span>    copy-to *out-cell-type, <span class="Constant">0</span>/uninitialized
+<span id="L237" class="LineNr">237 </span>  <span class="Delimiter">}</span>
+<span id="L238" class="LineNr">238 </span>  <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get out-cell, text-data
+<span id="L239" class="LineNr">239 </span>  $next-token:<a href='../120allocate.subx.html#L43'>allocate</a>: <span class="Delimiter">{</span>
+<span id="L240" class="LineNr">240 </span>    <span class="muComment"># Allocate a large buffer if it's a stream.</span>
+<span id="L241" class="LineNr">241 </span>    <span class="muComment"># Sometimes a whole function definition will need to fit in it.</span>
+<span id="L242" class="LineNr">242 </span>    compare g, <span class="Constant">0x5b</span>/open-square-bracket
 <span id="L243" class="LineNr">243 </span>    <span class="Delimiter">{</span>
-<span id="L244" class="LineNr">244 </span>      <span class="PreProc">var</span> symbol?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L500'>symbol-grapheme?</a> g
-<span id="L245" class="LineNr">245 </span>      compare symbol?, <span class="Constant">0</span>/false
-<span id="L246" class="LineNr">246 </span>      <span class="PreProc">break-if-=</span>
-<span id="L247" class="LineNr">247 </span>      <a href='tokenize.mu.html#L328'>next-symbol-token</a> in, out, trace
-<span id="L248" class="LineNr">248 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L249" class="LineNr">249 </span>    <span class="Delimiter">}</span>
-<span id="L250" class="LineNr">250 </span>    <span class="muComment"># open square brackets begin streams</span>
-<span id="L251" class="LineNr">251 </span>    <span class="Delimiter">{</span>
-<span id="L252" class="LineNr">252 </span>      compare g, <span class="Constant">0x5b</span>/open-square-bracket
-<span id="L253" class="LineNr">253 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L254" class="LineNr">254 </span>      g <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># skip open bracket</span>
-<span id="L255" class="LineNr">255 </span>      <a href='tokenize.mu.html#L442'>next-stream-token</a> in, out, trace
-<span id="L256" class="LineNr">256 </span>      <span class="PreProc">var</span> out-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-cell
-<span id="L257" class="LineNr">257 </span>      <span class="PreProc">var</span> out-cell-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get out-cell, <span class="PreProc">type</span>
-<span id="L258" class="LineNr">258 </span>      copy-to *out-cell-type, <span class="Constant">3</span>/stream
-<span id="L259" class="LineNr">259 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L260" class="LineNr">260 </span>    <span class="Delimiter">}</span>
-<span id="L261" class="LineNr">261 </span>    <span class="muComment"># unbalanced close square brackets are errors</span>
-<span id="L262" class="LineNr">262 </span>    <span class="Delimiter">{</span>
-<span id="L263" class="LineNr">263 </span>      compare g, <span class="Constant">0x5d</span>/close-square-bracket
-<span id="L264" class="LineNr">264 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L265" class="LineNr">265 </span>      <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;unbalanced ']'&quot;</span>
-<span id="L266" class="LineNr">266 </span>      <span class="PreProc">return</span>
-<span id="L267" class="LineNr">267 </span>    <span class="Delimiter">}</span>
-<span id="L268" class="LineNr">268 </span>    <span class="muComment"># other brackets are always single-char tokens</span>
-<span id="L269" class="LineNr">269 </span>    <span class="Delimiter">{</span>
-<span id="L270" class="LineNr">270 </span>      <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L672'>bracket-grapheme?</a> g
-<span id="L271" class="LineNr">271 </span>      compare bracket?, <span class="Constant">0</span>/false
-<span id="L272" class="LineNr">272 </span>      <span class="PreProc">break-if-=</span>
-<span id="L273" class="LineNr">273 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L274" class="LineNr">274 </span>      <a href='tokenize.mu.html#L466'>next-bracket-token</a> g, out, trace
-<span id="L275" class="LineNr">275 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L276" class="LineNr">276 </span>    <span class="Delimiter">}</span>
-<span id="L277" class="LineNr">277 </span>    <span class="muComment"># non-symbol operators</span>
-<span id="L278" class="LineNr">278 </span>    <span class="Delimiter">{</span>
-<span id="L279" class="LineNr">279 </span>      <span class="PreProc">var</span> operator?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L706'>operator-grapheme?</a> g
-<span id="L280" class="LineNr">280 </span>      compare operator?, <span class="Constant">0</span>/false
-<span id="L281" class="LineNr">281 </span>      <span class="PreProc">break-if-=</span>
-<span id="L282" class="LineNr">282 </span>      <a href='tokenize.mu.html#L365'>next-operator-token</a> in, out, trace
-<span id="L283" class="LineNr">283 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L284" class="LineNr">284 </span>    <span class="Delimiter">}</span>
-<span id="L285" class="LineNr">285 </span>    <span class="muComment"># quote</span>
-<span id="L286" class="LineNr">286 </span>    <span class="Delimiter">{</span>
-<span id="L287" class="LineNr">287 </span>      compare g, <span class="Constant">0x27</span>/single-quote
-<span id="L288" class="LineNr">288 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L289" class="LineNr">289 </span>      g <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
-<span id="L290" class="LineNr">290 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L291" class="LineNr">291 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L292" class="LineNr">292 </span>    <span class="Delimiter">}</span>
-<span id="L293" class="LineNr">293 </span>    <span class="muComment"># backquote</span>
-<span id="L294" class="LineNr">294 </span>    <span class="Delimiter">{</span>
-<span id="L295" class="LineNr">295 </span>      compare g, <span class="Constant">0x60</span>/single-quote
-<span id="L296" class="LineNr">296 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L297" class="LineNr">297 </span>      g <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
-<span id="L298" class="LineNr">298 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L299" class="LineNr">299 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L300" class="LineNr">300 </span>    <span class="Delimiter">}</span>
-<span id="L301" class="LineNr">301 </span>    <span class="muComment"># unquote</span>
-<span id="L302" class="LineNr">302 </span>    <span class="Delimiter">{</span>
-<span id="L303" class="LineNr">303 </span>      compare g, <span class="Constant">0x2c</span>/comma
-<span id="L304" class="LineNr">304 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L305" class="LineNr">305 </span>      g <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
-<span id="L306" class="LineNr">306 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L307" class="LineNr">307 </span>      <span class="muComment"># check for unquote-splice</span>
-<span id="L308" class="LineNr">308 </span>      <span class="Delimiter">{</span>
-<span id="L309" class="LineNr">309 </span>        <span class="PreProc">var</span> g2/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
-<span id="L310" class="LineNr">310 </span>        compare g2, <span class="Constant">0x40</span>/at-sign
-<span id="L311" class="LineNr">311 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L312" class="LineNr">312 </span>        g2 <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L313" class="LineNr">313 </span>        <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g2
-<span id="L314" class="LineNr">314 </span>      <span class="Delimiter">}</span>
-<span id="L315" class="LineNr">315 </span>      <span class="PreProc">break</span> $next-token:body
-<span id="L316" class="LineNr">316 </span>    <span class="Delimiter">}</span>
-<span id="L317" class="LineNr">317 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;unknown token type&quot;</span>
-<span id="L318" class="LineNr">318 </span>  <span class="Delimiter">}</span>
-<span id="L319" class="LineNr">319 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L320" class="LineNr">320 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)  <span class="muComment"># maximum possible token size (next-stream-token)</span>
-<span id="L321" class="LineNr">321 </span>  <span class="PreProc">var</span> stream/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L322" class="LineNr">322 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L323" class="LineNr">323 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L324" class="LineNr">324 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L325" class="LineNr">325 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L326" class="LineNr">326 </span><span class="Delimiter">}</span>
-<span id="L327" class="LineNr">327 </span>
-<span id="L328" class="LineNr">328 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L328'>next-symbol-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L329" class="LineNr">329 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a symbol&quot;</span>
-<span id="L330" class="LineNr">330 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L331" class="LineNr">331 </span>  $next-symbol-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L332" class="LineNr">332 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
-<span id="L333" class="LineNr">333 </span>    compare done?, <span class="Constant">0</span>/false
-<span id="L334" class="LineNr">334 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L335" class="LineNr">335 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
-<span id="L336" class="LineNr">336 </span>    <span class="Delimiter">{</span>
-<span id="L337" class="LineNr">337 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L338" class="LineNr">338 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L339" class="LineNr">339 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
-<span id="L340" class="LineNr">340 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
-<span id="L341" class="LineNr">341 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
-<span id="L342" class="LineNr">342 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L343" class="LineNr">343 </span>    <span class="Delimiter">}</span>
-<span id="L344" class="LineNr">344 </span>    <span class="muComment"># if non-symbol, return</span>
-<span id="L345" class="LineNr">345 </span>    <span class="Delimiter">{</span>
-<span id="L346" class="LineNr">346 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L500'>symbol-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L500'>symbol-grapheme?</a> g
-<span id="L347" class="LineNr">347 </span>      compare <a href='tokenize.mu.html#L500'>symbol-grapheme?</a>, <span class="Constant">0</span>/false
-<span id="L348" class="LineNr">348 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L349" class="LineNr">349 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
-<span id="L350" class="LineNr">350 </span>      <span class="PreProc">break</span> $next-symbol-token:<span class="PreProc">loop</span>
-<span id="L351" class="LineNr">351 </span>    <span class="Delimiter">}</span>
-<span id="L352" class="LineNr">352 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L353" class="LineNr">353 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L354" class="LineNr">354 </span>    <span class="PreProc">loop</span>
-<span id="L355" class="LineNr">355 </span>  <span class="Delimiter">}</span>
-<span id="L356" class="LineNr">356 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L357" class="LineNr">357 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L358" class="LineNr">358 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L359" class="LineNr">359 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L360" class="LineNr">360 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L361" class="LineNr">361 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L362" class="LineNr">362 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L363" class="LineNr">363 </span><span class="Delimiter">}</span>
-<span id="L364" class="LineNr">364 </span>
-<span id="L365" class="LineNr">365 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L365'>next-operator-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L366" class="LineNr">366 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a operator&quot;</span>
-<span id="L367" class="LineNr">367 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L368" class="LineNr">368 </span>  $next-operator-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L369" class="LineNr">369 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
-<span id="L370" class="LineNr">370 </span>    compare done?, <span class="Constant">0</span>/false
-<span id="L371" class="LineNr">371 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L372" class="LineNr">372 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L244" class="LineNr">244 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L245" class="LineNr">245 </span>      populate-stream out-ah, <span class="Constant">0x400</span>/max-definition-size=1KB
+<span id="L246" class="LineNr">246 </span>      <span class="PreProc">break</span> $next-token:<a href='../120allocate.subx.html#L43'>allocate</a>
+<span id="L247" class="LineNr">247 </span>    <span class="Delimiter">}</span>
+<span id="L248" class="LineNr">248 </span>    populate-stream out-ah, <span class="Constant">0x40</span>
+<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">}</span>
+<span id="L250" class="LineNr">250 </span>  <span class="PreProc">var</span> _out/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *out-ah
+<span id="L251" class="LineNr">251 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _out
+<span id="L252" class="LineNr">252 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> out
+<span id="L253" class="LineNr">253 </span>  $next-token:case: <span class="Delimiter">{</span>
+<span id="L254" class="LineNr">254 </span>    <span class="muComment"># open square brackets begin streams</span>
+<span id="L255" class="LineNr">255 </span>    <span class="Delimiter">{</span>
+<span id="L256" class="LineNr">256 </span>      compare g, <span class="Constant">0x5b</span>/open-square-bracket
+<span id="L257" class="LineNr">257 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L258" class="LineNr">258 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># skip open bracket</span>
+<span id="L259" class="LineNr">259 </span>      <a href='tokenize.mu.html#L470'>next-stream-token</a> in, out, trace
+<span id="L260" class="LineNr">260 </span>      <span class="PreProc">var</span> out-cell/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out-cell
+<span id="L261" class="LineNr">261 </span>      <span class="muComment"># streams set the type</span>
+<span id="L262" class="LineNr">262 </span>      <span class="PreProc">var</span> out-cell-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get out-cell, <span class="PreProc">type</span>
+<span id="L263" class="LineNr">263 </span>      copy-to *out-cell-type, <span class="Constant">3</span>/stream
+<span id="L264" class="LineNr">264 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L265" class="LineNr">265 </span>    <span class="Delimiter">}</span>
+<span id="L266" class="LineNr">266 </span>    <span class="muComment"># comment</span>
+<span id="L267" class="LineNr">267 </span>    <span class="Delimiter">{</span>
+<span id="L268" class="LineNr">268 </span>      compare g, <span class="Constant">0x23</span>/comment
+<span id="L269" class="LineNr">269 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L270" class="LineNr">270 </span>      <a href='tokenize.mu.html#L505'>rest-of-line</a> in, out, trace
+<span id="L271" class="LineNr">271 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L272" class="LineNr">272 </span>    <span class="Delimiter">}</span>
+<span id="L273" class="LineNr">273 </span>    <span class="muComment"># digit</span>
+<span id="L274" class="LineNr">274 </span>    <span class="Delimiter">{</span>
+<span id="L275" class="LineNr">275 </span>      <span class="PreProc">var</span> digit?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
+<span id="L276" class="LineNr">276 </span>      compare digit?, <span class="Constant">0</span>/false
+<span id="L277" class="LineNr">277 </span>      <span class="PreProc">break-if-=</span>
+<span id="L278" class="LineNr">278 </span>      <a href='tokenize.mu.html#L430'>next-number-token</a> in, out, trace
+<span id="L279" class="LineNr">279 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L280" class="LineNr">280 </span>    <span class="Delimiter">}</span>
+<span id="L281" class="LineNr">281 </span>    <span class="muComment"># other symbol char</span>
+<span id="L282" class="LineNr">282 </span>    <span class="Delimiter">{</span>
+<span id="L283" class="LineNr">283 </span>      <span class="PreProc">var</span> symbol?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L528'>symbol-grapheme?</a> g
+<span id="L284" class="LineNr">284 </span>      compare symbol?, <span class="Constant">0</span>/false
+<span id="L285" class="LineNr">285 </span>      <span class="PreProc">break-if-=</span>
+<span id="L286" class="LineNr">286 </span>      <a href='tokenize.mu.html#L356'>next-symbol-token</a> in, out, trace
+<span id="L287" class="LineNr">287 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L288" class="LineNr">288 </span>    <span class="Delimiter">}</span>
+<span id="L289" class="LineNr">289 </span>    <span class="muComment"># unbalanced close square brackets are errors</span>
+<span id="L290" class="LineNr">290 </span>    <span class="Delimiter">{</span>
+<span id="L291" class="LineNr">291 </span>      compare g, <span class="Constant">0x5d</span>/close-square-bracket
+<span id="L292" class="LineNr">292 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L293" class="LineNr">293 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;unbalanced ']'&quot;</span>
+<span id="L294" class="LineNr">294 </span>      <span class="PreProc">return</span>
+<span id="L295" class="LineNr">295 </span>    <span class="Delimiter">}</span>
+<span id="L296" class="LineNr">296 </span>    <span class="muComment"># other brackets are always single-char tokens</span>
+<span id="L297" class="LineNr">297 </span>    <span class="Delimiter">{</span>
+<span id="L298" class="LineNr">298 </span>      <span class="PreProc">var</span> bracket?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L700'>bracket-grapheme?</a> g
+<span id="L299" class="LineNr">299 </span>      compare bracket?, <span class="Constant">0</span>/false
+<span id="L300" class="LineNr">300 </span>      <span class="PreProc">break-if-=</span>
+<span id="L301" class="LineNr">301 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L302" class="LineNr">302 </span>      <a href='tokenize.mu.html#L494'>next-bracket-token</a> g, out, trace
+<span id="L303" class="LineNr">303 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L304" class="LineNr">304 </span>    <span class="Delimiter">}</span>
+<span id="L305" class="LineNr">305 </span>    <span class="muComment"># non-symbol operators</span>
+<span id="L306" class="LineNr">306 </span>    <span class="Delimiter">{</span>
+<span id="L307" class="LineNr">307 </span>      <span class="PreProc">var</span> operator?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L734'>operator-grapheme?</a> g
+<span id="L308" class="LineNr">308 </span>      compare operator?, <span class="Constant">0</span>/false
+<span id="L309" class="LineNr">309 </span>      <span class="PreProc">break-if-=</span>
+<span id="L310" class="LineNr">310 </span>      <a href='tokenize.mu.html#L393'>next-operator-token</a> in, out, trace
+<span id="L311" class="LineNr">311 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L312" class="LineNr">312 </span>    <span class="Delimiter">}</span>
+<span id="L313" class="LineNr">313 </span>    <span class="muComment"># quote</span>
+<span id="L314" class="LineNr">314 </span>    <span class="Delimiter">{</span>
+<span id="L315" class="LineNr">315 </span>      compare g, <span class="Constant">0x27</span>/single-quote
+<span id="L316" class="LineNr">316 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L317" class="LineNr">317 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
+<span id="L318" class="LineNr">318 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L319" class="LineNr">319 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L320" class="LineNr">320 </span>    <span class="Delimiter">}</span>
+<span id="L321" class="LineNr">321 </span>    <span class="muComment"># backquote</span>
+<span id="L322" class="LineNr">322 </span>    <span class="Delimiter">{</span>
+<span id="L323" class="LineNr">323 </span>      compare g, <span class="Constant">0x60</span>/backquote
+<span id="L324" class="LineNr">324 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L325" class="LineNr">325 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
+<span id="L326" class="LineNr">326 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L327" class="LineNr">327 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L328" class="LineNr">328 </span>    <span class="Delimiter">}</span>
+<span id="L329" class="LineNr">329 </span>    <span class="muComment"># unquote</span>
+<span id="L330" class="LineNr">330 </span>    <span class="Delimiter">{</span>
+<span id="L331" class="LineNr">331 </span>      compare g, <span class="Constant">0x2c</span>/comma
+<span id="L332" class="LineNr">332 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L333" class="LineNr">333 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in  <span class="muComment"># consume</span>
+<span id="L334" class="LineNr">334 </span>      <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L335" class="LineNr">335 </span>      <span class="muComment"># check for unquote-splice</span>
+<span id="L336" class="LineNr">336 </span>      <span class="Delimiter">{</span>
+<span id="L337" class="LineNr">337 </span>        <span class="PreProc">var</span> g2/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L338" class="LineNr">338 </span>        compare g2, <span class="Constant">0x40</span>/at-sign
+<span id="L339" class="LineNr">339 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L340" class="LineNr">340 </span>        g2 <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L341" class="LineNr">341 </span>        <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g2
+<span id="L342" class="LineNr">342 </span>      <span class="Delimiter">}</span>
+<span id="L343" class="LineNr">343 </span>      <span class="PreProc">break</span> $next-token:case
+<span id="L344" class="LineNr">344 </span>    <span class="Delimiter">}</span>
+<span id="L345" class="LineNr">345 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;unknown token type&quot;</span>
+<span id="L346" class="LineNr">346 </span>  <span class="Delimiter">}</span>
+<span id="L347" class="LineNr">347 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L348" class="LineNr">348 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)  <span class="muComment"># maximum possible token size (next-stream-token)</span>
+<span id="L349" class="LineNr">349 </span>  <span class="PreProc">var</span> stream/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L350" class="LineNr">350 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L351" class="LineNr">351 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L352" class="LineNr">352 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L353" class="LineNr">353 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L354" class="LineNr">354 </span><span class="Delimiter">}</span>
+<span id="L355" class="LineNr">355 </span>
+<span id="L356" class="LineNr">356 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L356'>next-symbol-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L357" class="LineNr">357 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a symbol&quot;</span>
+<span id="L358" class="LineNr">358 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L359" class="LineNr">359 </span>  $next-symbol-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L360" class="LineNr">360 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
+<span id="L361" class="LineNr">361 </span>    compare done?, <span class="Constant">0</span>/false
+<span id="L362" class="LineNr">362 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L363" class="LineNr">363 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L364" class="LineNr">364 </span>    <span class="Delimiter">{</span>
+<span id="L365" class="LineNr">365 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L366" class="LineNr">366 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L367" class="LineNr">367 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
+<span id="L368" class="LineNr">368 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
+<span id="L369" class="LineNr">369 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
+<span id="L370" class="LineNr">370 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L371" class="LineNr">371 </span>    <span class="Delimiter">}</span>
+<span id="L372" class="LineNr">372 </span>    <span class="muComment"># if non-symbol, return</span>
 <span id="L373" class="LineNr">373 </span>    <span class="Delimiter">{</span>
-<span id="L374" class="LineNr">374 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L375" class="LineNr">375 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L376" class="LineNr">376 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
-<span id="L377" class="LineNr">377 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
-<span id="L378" class="LineNr">378 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
-<span id="L379" class="LineNr">379 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L380" class="LineNr">380 </span>    <span class="Delimiter">}</span>
-<span id="L381" class="LineNr">381 </span>    <span class="muComment"># if non-operator, return</span>
-<span id="L382" class="LineNr">382 </span>    <span class="Delimiter">{</span>
-<span id="L383" class="LineNr">383 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L706'>operator-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L706'>operator-grapheme?</a> g
-<span id="L384" class="LineNr">384 </span>      compare <a href='tokenize.mu.html#L706'>operator-grapheme?</a>, <span class="Constant">0</span>/false
-<span id="L385" class="LineNr">385 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L386" class="LineNr">386 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
-<span id="L387" class="LineNr">387 </span>      <span class="PreProc">break</span> $next-operator-token:<span class="PreProc">loop</span>
-<span id="L388" class="LineNr">388 </span>    <span class="Delimiter">}</span>
-<span id="L389" class="LineNr">389 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L390" class="LineNr">390 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L391" class="LineNr">391 </span>    <span class="PreProc">loop</span>
-<span id="L392" class="LineNr">392 </span>  <span class="Delimiter">}</span>
-<span id="L393" class="LineNr">393 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L394" class="LineNr">394 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L395" class="LineNr">395 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L396" class="LineNr">396 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L397" class="LineNr">397 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L398" class="LineNr">398 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L399" class="LineNr">399 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L400" class="LineNr">400 </span><span class="Delimiter">}</span>
-<span id="L401" class="LineNr">401 </span>
-<span id="L402" class="LineNr">402 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L402'>next-number-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L403" class="LineNr">403 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a number&quot;</span>
-<span id="L404" class="LineNr">404 </span>  <a href='trace.mu.html#L147'>trace-lower</a> trace
-<span id="L405" class="LineNr">405 </span>  $next-number-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L406" class="LineNr">406 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
-<span id="L407" class="LineNr">407 </span>    compare done?, <span class="Constant">0</span>/false
-<span id="L408" class="LineNr">408 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L409" class="LineNr">409 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L374" class="LineNr">374 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L528'>symbol-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L528'>symbol-grapheme?</a> g
+<span id="L375" class="LineNr">375 </span>      compare <a href='tokenize.mu.html#L528'>symbol-grapheme?</a>, <span class="Constant">0</span>/false
+<span id="L376" class="LineNr">376 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L377" class="LineNr">377 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
+<span id="L378" class="LineNr">378 </span>      <span class="PreProc">break</span> $next-symbol-token:<span class="PreProc">loop</span>
+<span id="L379" class="LineNr">379 </span>    <span class="Delimiter">}</span>
+<span id="L380" class="LineNr">380 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L381" class="LineNr">381 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L382" class="LineNr">382 </span>    <span class="PreProc">loop</span>
+<span id="L383" class="LineNr">383 </span>  <span class="Delimiter">}</span>
+<span id="L384" class="LineNr">384 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L385" class="LineNr">385 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L386" class="LineNr">386 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L387" class="LineNr">387 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L388" class="LineNr">388 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L389" class="LineNr">389 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L390" class="LineNr">390 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L391" class="LineNr">391 </span><span class="Delimiter">}</span>
+<span id="L392" class="LineNr">392 </span>
+<span id="L393" class="LineNr">393 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L393'>next-operator-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L394" class="LineNr">394 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a operator&quot;</span>
+<span id="L395" class="LineNr">395 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L396" class="LineNr">396 </span>  $next-operator-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L397" class="LineNr">397 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
+<span id="L398" class="LineNr">398 </span>    compare done?, <span class="Constant">0</span>/false
+<span id="L399" class="LineNr">399 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L400" class="LineNr">400 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L401" class="LineNr">401 </span>    <span class="Delimiter">{</span>
+<span id="L402" class="LineNr">402 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L403" class="LineNr">403 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L404" class="LineNr">404 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
+<span id="L405" class="LineNr">405 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
+<span id="L406" class="LineNr">406 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
+<span id="L407" class="LineNr">407 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L408" class="LineNr">408 </span>    <span class="Delimiter">}</span>
+<span id="L409" class="LineNr">409 </span>    <span class="muComment"># if non-operator, return</span>
 <span id="L410" class="LineNr">410 </span>    <span class="Delimiter">{</span>
-<span id="L411" class="LineNr">411 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L412" class="LineNr">412 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L413" class="LineNr">413 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
-<span id="L414" class="LineNr">414 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
-<span id="L415" class="LineNr">415 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
-<span id="L416" class="LineNr">416 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L417" class="LineNr">417 </span>    <span class="Delimiter">}</span>
-<span id="L418" class="LineNr">418 </span>    <span class="muComment"># if not symbol grapheme, return</span>
-<span id="L419" class="LineNr">419 </span>    <span class="Delimiter">{</span>
-<span id="L420" class="LineNr">420 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L500'>symbol-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L500'>symbol-grapheme?</a> g
-<span id="L421" class="LineNr">421 </span>      compare <a href='tokenize.mu.html#L500'>symbol-grapheme?</a>, <span class="Constant">0</span>/false
-<span id="L422" class="LineNr">422 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L423" class="LineNr">423 </span>      <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
-<span id="L424" class="LineNr">424 </span>      <span class="PreProc">break</span> $next-number-token:<span class="PreProc">loop</span>
-<span id="L425" class="LineNr">425 </span>    <span class="Delimiter">}</span>
-<span id="L426" class="LineNr">426 </span>    <span class="muComment"># if not digit grapheme, abort</span>
-<span id="L427" class="LineNr">427 </span>    <span class="Delimiter">{</span>
-<span id="L428" class="LineNr">428 </span>      <span class="PreProc">var</span> digit?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
-<span id="L429" class="LineNr">429 </span>      compare digit?, <span class="Constant">0</span>/false
-<span id="L430" class="LineNr">430 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L431" class="LineNr">431 </span>      <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;invalid number&quot;</span>
-<span id="L432" class="LineNr">432 </span>      <span class="PreProc">return</span>
-<span id="L433" class="LineNr">433 </span>    <span class="Delimiter">}</span>
-<span id="L434" class="LineNr">434 </span>    <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;append&quot;</span>
-<span id="L435" class="LineNr">435 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L436" class="LineNr">436 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L437" class="LineNr">437 </span>    <span class="PreProc">loop</span>
-<span id="L438" class="LineNr">438 </span>  <span class="Delimiter">}</span>
-<span id="L439" class="LineNr">439 </span>  <a href='trace.mu.html#L155'>trace-higher</a> trace
-<span id="L440" class="LineNr">440 </span><span class="Delimiter">}</span>
-<span id="L441" class="LineNr">441 </span>
-<span id="L442" class="LineNr">442 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L442'>next-stream-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L443" class="LineNr">443 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
-<span id="L444" class="LineNr">444 </span>  <span class="Delimiter">{</span>
-<span id="L445" class="LineNr">445 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
-<span id="L446" class="LineNr">446 </span>    compare empty?, <span class="Constant">0</span>/false
+<span id="L411" class="LineNr">411 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L734'>operator-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L734'>operator-grapheme?</a> g
+<span id="L412" class="LineNr">412 </span>      compare <a href='tokenize.mu.html#L734'>operator-grapheme?</a>, <span class="Constant">0</span>/false
+<span id="L413" class="LineNr">413 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L414" class="LineNr">414 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
+<span id="L415" class="LineNr">415 </span>      <span class="PreProc">break</span> $next-operator-token:<span class="PreProc">loop</span>
+<span id="L416" class="LineNr">416 </span>    <span class="Delimiter">}</span>
+<span id="L417" class="LineNr">417 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L418" class="LineNr">418 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L419" class="LineNr">419 </span>    <span class="PreProc">loop</span>
+<span id="L420" class="LineNr">420 </span>  <span class="Delimiter">}</span>
+<span id="L421" class="LineNr">421 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L422" class="LineNr">422 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L423" class="LineNr">423 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L424" class="LineNr">424 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L425" class="LineNr">425 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L426" class="LineNr">426 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L427" class="LineNr">427 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L428" class="LineNr">428 </span><span class="Delimiter">}</span>
+<span id="L429" class="LineNr">429 </span>
+<span id="L430" class="LineNr">430 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L430'>next-number-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L431" class="LineNr">431 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;looking for a number&quot;</span>
+<span id="L432" class="LineNr">432 </span>  <a href='trace.mu.html#L228'>trace-lower</a> trace
+<span id="L433" class="LineNr">433 </span>  $next-number-token:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L434" class="LineNr">434 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
+<span id="L435" class="LineNr">435 </span>    compare done?, <span class="Constant">0</span>/false
+<span id="L436" class="LineNr">436 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L437" class="LineNr">437 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L781'>peek-from-gap-buffer</a> in
+<span id="L438" class="LineNr">438 </span>    <span class="Delimiter">{</span>
+<span id="L439" class="LineNr">439 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L440" class="LineNr">440 </span>      <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L441" class="LineNr">441 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;next: &quot;</span>
+<span id="L442" class="LineNr">442 </span>      <span class="PreProc">var</span> gval/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy g
+<span id="L443" class="LineNr">443 </span>      <a href='../117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, gval
+<span id="L444" class="LineNr">444 </span>      trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L445" class="LineNr">445 </span>    <span class="Delimiter">}</span>
+<span id="L446" class="LineNr">446 </span>    <span class="muComment"># if not symbol grapheme, return</span>
 <span id="L447" class="LineNr">447 </span>    <span class="Delimiter">{</span>
-<span id="L448" class="LineNr">448 </span>      <span class="PreProc">break-if-=</span>
-<span id="L449" class="LineNr">449 </span>      <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">&quot;unbalanced '['&quot;</span>
-<span id="L450" class="LineNr">450 </span>      <span class="PreProc">return</span>
-<span id="L451" class="LineNr">451 </span>    <span class="Delimiter">}</span>
-<span id="L452" class="LineNr">452 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L453" class="LineNr">453 </span>    compare g, <span class="Constant">0x5d</span>/close-square-bracket
-<span id="L454" class="LineNr">454 </span>    <span class="PreProc">break-if-=</span>
-<span id="L455" class="LineNr">455 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L456" class="LineNr">456 </span>    <span class="PreProc">loop</span>
-<span id="L457" class="LineNr">457 </span>  <span class="Delimiter">}</span>
-<span id="L458" class="LineNr">458 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)  <span class="muComment"># max-definition-size</span>
-<span id="L459" class="LineNr">459 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L460" class="LineNr">460 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L461" class="LineNr">461 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L462" class="LineNr">462 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L463" class="LineNr">463 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L464" class="LineNr">464 </span><span class="Delimiter">}</span>
-<span id="L465" class="LineNr">465 </span>
-<span id="L466" class="LineNr">466 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L466'>next-bracket-token</a></span> g: grapheme, out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L467" class="LineNr">467 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;bracket&quot;</span>
-<span id="L468" class="LineNr">468 </span>  <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L469" class="LineNr">469 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L470" class="LineNr">470 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L471" class="LineNr">471 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L472" class="LineNr">472 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L473" class="LineNr">473 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L474" class="LineNr">474 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L475" class="LineNr">475 </span><span class="Delimiter">}</span>
-<span id="L476" class="LineNr">476 </span>
-<span id="L477" class="LineNr">477 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L477'>rest-of-line</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L478" class="LineNr">478 </span>  <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;comment&quot;</span>
-<span id="L479" class="LineNr">479 </span>  <span class="Delimiter">{</span>
-<span id="L480" class="LineNr">480 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
-<span id="L481" class="LineNr">481 </span>    compare empty?, <span class="Constant">0</span>/false
-<span id="L482" class="LineNr">482 </span>    <span class="Delimiter">{</span>
-<span id="L483" class="LineNr">483 </span>      <span class="PreProc">break-if-=</span>
-<span id="L484" class="LineNr">484 </span>      <span class="PreProc">return</span>
-<span id="L485" class="LineNr">485 </span>    <span class="Delimiter">}</span>
-<span id="L486" class="LineNr">486 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
-<span id="L487" class="LineNr">487 </span>    compare g, <span class="Constant">0xa</span>/newline
-<span id="L488" class="LineNr">488 </span>    <span class="PreProc">break-if-=</span>
-<span id="L489" class="LineNr">489 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
-<span id="L490" class="LineNr">490 </span>    <span class="PreProc">loop</span>
-<span id="L491" class="LineNr">491 </span>  <span class="Delimiter">}</span>
-<span id="L492" class="LineNr">492 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x80</span>)
-<span id="L493" class="LineNr">493 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L494" class="LineNr">494 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
-<span id="L495" class="LineNr">495 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
-<span id="L496" class="LineNr">496 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
-<span id="L497" class="LineNr">497 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
-<span id="L498" class="LineNr">498 </span><span class="Delimiter">}</span>
-<span id="L499" class="LineNr">499 </span>
-<span id="L500" class="LineNr">500 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L500'>symbol-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L501" class="LineNr">501 </span>  <span class="muComment">## whitespace</span>
-<span id="L502" class="LineNr">502 </span>  compare g, <span class="Constant">9</span>/tab
-<span id="L503" class="LineNr">503 </span>  <span class="Delimiter">{</span>
-<span id="L504" class="LineNr">504 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L505" class="LineNr">505 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L506" class="LineNr">506 </span>  <span class="Delimiter">}</span>
-<span id="L507" class="LineNr">507 </span>  compare g, <span class="Constant">0xa</span>/newline
-<span id="L508" class="LineNr">508 </span>  <span class="Delimiter">{</span>
-<span id="L509" class="LineNr">509 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L510" class="LineNr">510 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L511" class="LineNr">511 </span>  <span class="Delimiter">}</span>
-<span id="L512" class="LineNr">512 </span>  compare g, <span class="Constant">0x20</span>/space
-<span id="L513" class="LineNr">513 </span>  <span class="Delimiter">{</span>
-<span id="L514" class="LineNr">514 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L515" class="LineNr">515 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L516" class="LineNr">516 </span>  <span class="Delimiter">}</span>
-<span id="L517" class="LineNr">517 </span>  <span class="muComment">## quotes</span>
-<span id="L518" class="LineNr">518 </span>  compare g, <span class="Constant">0x22</span>/double-quote
-<span id="L519" class="LineNr">519 </span>  <span class="Delimiter">{</span>
-<span id="L520" class="LineNr">520 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L521" class="LineNr">521 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L522" class="LineNr">522 </span>  <span class="Delimiter">}</span>
-<span id="L523" class="LineNr">523 </span>  compare g, <span class="Constant">0x60</span>/backquote
-<span id="L524" class="LineNr">524 </span>  <span class="Delimiter">{</span>
-<span id="L525" class="LineNr">525 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L526" class="LineNr">526 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L527" class="LineNr">527 </span>  <span class="Delimiter">}</span>
-<span id="L528" class="LineNr">528 </span>  <span class="muComment">## brackets</span>
-<span id="L529" class="LineNr">529 </span>  compare g, <span class="Constant">0x28</span>/open-paren
-<span id="L530" class="LineNr">530 </span>  <span class="Delimiter">{</span>
-<span id="L531" class="LineNr">531 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L532" class="LineNr">532 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L533" class="LineNr">533 </span>  <span class="Delimiter">}</span>
-<span id="L534" class="LineNr">534 </span>  compare g, <span class="Constant">0x29</span>/close-paren
-<span id="L535" class="LineNr">535 </span>  <span class="Delimiter">{</span>
-<span id="L536" class="LineNr">536 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L537" class="LineNr">537 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L538" class="LineNr">538 </span>  <span class="Delimiter">}</span>
-<span id="L539" class="LineNr">539 </span>  compare g, <span class="Constant">0x5b</span>/open-square-bracket
-<span id="L540" class="LineNr">540 </span>  <span class="Delimiter">{</span>
-<span id="L541" class="LineNr">541 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L542" class="LineNr">542 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L543" class="LineNr">543 </span>  <span class="Delimiter">}</span>
-<span id="L544" class="LineNr">544 </span>  compare g, <span class="Constant">0x5d</span>/close-square-bracket
-<span id="L545" class="LineNr">545 </span>  <span class="Delimiter">{</span>
-<span id="L546" class="LineNr">546 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L547" class="LineNr">547 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L548" class="LineNr">548 </span>  <span class="Delimiter">}</span>
-<span id="L549" class="LineNr">549 </span>  compare g, <span class="Constant">0x7b</span>/open-curly-bracket
-<span id="L550" class="LineNr">550 </span>  <span class="Delimiter">{</span>
-<span id="L551" class="LineNr">551 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L552" class="LineNr">552 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L553" class="LineNr">553 </span>  <span class="Delimiter">}</span>
-<span id="L554" class="LineNr">554 </span>  compare g, <span class="Constant">0x7d</span>/close-curly-bracket
-<span id="L555" class="LineNr">555 </span>  <span class="Delimiter">{</span>
-<span id="L556" class="LineNr">556 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L557" class="LineNr">557 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L558" class="LineNr">558 </span>  <span class="Delimiter">}</span>
-<span id="L559" class="LineNr">559 </span>  <span class="muComment"># - other punctuation</span>
-<span id="L560" class="LineNr">560 </span>  <span class="muComment"># '!' is a symbol char</span>
-<span id="L561" class="LineNr">561 </span>  compare g, <span class="Constant">0x23</span>/hash
-<span id="L562" class="LineNr">562 </span>  <span class="Delimiter">{</span>
-<span id="L563" class="LineNr">563 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L564" class="LineNr">564 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L565" class="LineNr">565 </span>  <span class="Delimiter">}</span>
-<span id="L566" class="LineNr">566 </span>  <span class="muComment"># '$' is a symbol char</span>
-<span id="L567" class="LineNr">567 </span>  compare g, <span class="Constant">0x25</span>/percent
+<span id="L448" class="LineNr">448 </span>      <span class="PreProc">var</span> <a href='tokenize.mu.html#L528'>symbol-grapheme?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L528'>symbol-grapheme?</a> g
+<span id="L449" class="LineNr">449 </span>      compare <a href='tokenize.mu.html#L528'>symbol-grapheme?</a>, <span class="Constant">0</span>/false
+<span id="L450" class="LineNr">450 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L451" class="LineNr">451 </span>      <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stop&quot;</span>
+<span id="L452" class="LineNr">452 </span>      <span class="PreProc">break</span> $next-number-token:<span class="PreProc">loop</span>
+<span id="L453" class="LineNr">453 </span>    <span class="Delimiter">}</span>
+<span id="L454" class="LineNr">454 </span>    <span class="muComment"># if not digit grapheme, abort</span>
+<span id="L455" class="LineNr">455 </span>    <span class="Delimiter">{</span>
+<span id="L456" class="LineNr">456 </span>      <span class="PreProc">var</span> digit?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
+<span id="L457" class="LineNr">457 </span>      compare digit?, <span class="Constant">0</span>/false
+<span id="L458" class="LineNr">458 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L459" class="LineNr">459 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;invalid number&quot;</span>
+<span id="L460" class="LineNr">460 </span>      <span class="PreProc">return</span>
+<span id="L461" class="LineNr">461 </span>    <span class="Delimiter">}</span>
+<span id="L462" class="LineNr">462 </span>    <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;append&quot;</span>
+<span id="L463" class="LineNr">463 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L464" class="LineNr">464 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L465" class="LineNr">465 </span>    <span class="PreProc">loop</span>
+<span id="L466" class="LineNr">466 </span>  <span class="Delimiter">}</span>
+<span id="L467" class="LineNr">467 </span>  <a href='trace.mu.html#L239'>trace-higher</a> trace
+<span id="L468" class="LineNr">468 </span><span class="Delimiter">}</span>
+<span id="L469" class="LineNr">469 </span>
+<span id="L470" class="LineNr">470 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L470'>next-stream-token</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L471" class="LineNr">471 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;stream&quot;</span>
+<span id="L472" class="LineNr">472 </span>  <span class="Delimiter">{</span>
+<span id="L473" class="LineNr">473 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
+<span id="L474" class="LineNr">474 </span>    compare empty?, <span class="Constant">0</span>/false
+<span id="L475" class="LineNr">475 </span>    <span class="Delimiter">{</span>
+<span id="L476" class="LineNr">476 </span>      <span class="PreProc">break-if-=</span>
+<span id="L477" class="LineNr">477 </span>      <span class="Special"><a href='trace.mu.html#L186'>error</a></span> trace, <span class="Constant">&quot;unbalanced '['&quot;</span>
+<span id="L478" class="LineNr">478 </span>      <span class="PreProc">return</span>
+<span id="L479" class="LineNr">479 </span>    <span class="Delimiter">}</span>
+<span id="L480" class="LineNr">480 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L481" class="LineNr">481 </span>    compare g, <span class="Constant">0x5d</span>/close-square-bracket
+<span id="L482" class="LineNr">482 </span>    <span class="PreProc">break-if-=</span>
+<span id="L483" class="LineNr">483 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L484" class="LineNr">484 </span>    <span class="PreProc">loop</span>
+<span id="L485" class="LineNr">485 </span>  <span class="Delimiter">}</span>
+<span id="L486" class="LineNr">486 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)  <span class="muComment"># max-definition-size</span>
+<span id="L487" class="LineNr">487 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L488" class="LineNr">488 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L489" class="LineNr">489 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L490" class="LineNr">490 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L491" class="LineNr">491 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L492" class="LineNr">492 </span><span class="Delimiter">}</span>
+<span id="L493" class="LineNr">493 </span>
+<span id="L494" class="LineNr">494 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L494'>next-bracket-token</a></span> g: grapheme, out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L495" class="LineNr">495 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;bracket&quot;</span>
+<span id="L496" class="LineNr">496 </span>  <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L497" class="LineNr">497 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L498" class="LineNr">498 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L499" class="LineNr">499 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L500" class="LineNr">500 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L501" class="LineNr">501 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L502" class="LineNr">502 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L503" class="LineNr">503 </span><span class="Delimiter">}</span>
+<span id="L504" class="LineNr">504 </span>
+<span id="L505" class="LineNr">505 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L505'>rest-of-line</a></span> in: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), out: (addr stream byte), trace: (addr trace) <span class="Delimiter">{</span>
+<span id="L506" class="LineNr">506 </span>  <a href='trace.mu.html#L174'>trace-text</a> trace, <span class="Constant">&quot;tokenize&quot;</span>, <span class="Constant">&quot;comment&quot;</span>
+<span id="L507" class="LineNr">507 </span>  <span class="Delimiter">{</span>
+<span id="L508" class="LineNr">508 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L757'>gap-buffer-scan-done?</a> in
+<span id="L509" class="LineNr">509 </span>    compare empty?, <span class="Constant">0</span>/false
+<span id="L510" class="LineNr">510 </span>    <span class="Delimiter">{</span>
+<span id="L511" class="LineNr">511 </span>      <span class="PreProc">break-if-=</span>
+<span id="L512" class="LineNr">512 </span>      <span class="PreProc">return</span>
+<span id="L513" class="LineNr">513 </span>    <span class="Delimiter">}</span>
+<span id="L514" class="LineNr">514 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L817'>read-from-gap-buffer</a> in
+<span id="L515" class="LineNr">515 </span>    compare g, <span class="Constant">0xa</span>/newline
+<span id="L516" class="LineNr">516 </span>    <span class="PreProc">break-if-=</span>
+<span id="L517" class="LineNr">517 </span>    <a href='../403unicode.mu.html#L176'>write-grapheme</a> out, g
+<span id="L518" class="LineNr">518 </span>    <span class="PreProc">loop</span>
+<span id="L519" class="LineNr">519 </span>  <span class="Delimiter">}</span>
+<span id="L520" class="LineNr">520 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x80</span>)
+<span id="L521" class="LineNr">521 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L522" class="LineNr">522 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L523" class="LineNr">523 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> out
+<span id="L524" class="LineNr">524 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, out
+<span id="L525" class="LineNr">525 </span>  trace trace, <span class="Constant">&quot;tokenize&quot;</span>, stream
+<span id="L526" class="LineNr">526 </span><span class="Delimiter">}</span>
+<span id="L527" class="LineNr">527 </span>
+<span id="L528" class="LineNr">528 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L528'>symbol-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L529" class="LineNr">529 </span>  <span class="muComment">## whitespace</span>
+<span id="L530" class="LineNr">530 </span>  compare g, <span class="Constant">9</span>/tab
+<span id="L531" class="LineNr">531 </span>  <span class="Delimiter">{</span>
+<span id="L532" class="LineNr">532 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L533" class="LineNr">533 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L534" class="LineNr">534 </span>  <span class="Delimiter">}</span>
+<span id="L535" class="LineNr">535 </span>  compare g, <span class="Constant">0xa</span>/newline
+<span id="L536" class="LineNr">536 </span>  <span class="Delimiter">{</span>
+<span id="L537" class="LineNr">537 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L538" class="LineNr">538 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L539" class="LineNr">539 </span>  <span class="Delimiter">}</span>
+<span id="L540" class="LineNr">540 </span>  compare g, <span class="Constant">0x20</span>/space
+<span id="L541" class="LineNr">541 </span>  <span class="Delimiter">{</span>
+<span id="L542" class="LineNr">542 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L543" class="LineNr">543 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L544" class="LineNr">544 </span>  <span class="Delimiter">}</span>
+<span id="L545" class="LineNr">545 </span>  <span class="muComment">## quotes</span>
+<span id="L546" class="LineNr">546 </span>  compare g, <span class="Constant">0x22</span>/double-quote
+<span id="L547" class="LineNr">547 </span>  <span class="Delimiter">{</span>
+<span id="L548" class="LineNr">548 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L549" class="LineNr">549 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L550" class="LineNr">550 </span>  <span class="Delimiter">}</span>
+<span id="L551" class="LineNr">551 </span>  compare g, <span class="Constant">0x60</span>/backquote
+<span id="L552" class="LineNr">552 </span>  <span class="Delimiter">{</span>
+<span id="L553" class="LineNr">553 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L554" class="LineNr">554 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L555" class="LineNr">555 </span>  <span class="Delimiter">}</span>
+<span id="L556" class="LineNr">556 </span>  <span class="muComment">## brackets</span>
+<span id="L557" class="LineNr">557 </span>  compare g, <span class="Constant">0x28</span>/open-paren
+<span id="L558" class="LineNr">558 </span>  <span class="Delimiter">{</span>
+<span id="L559" class="LineNr">559 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L560" class="LineNr">560 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L561" class="LineNr">561 </span>  <span class="Delimiter">}</span>
+<span id="L562" class="LineNr">562 </span>  compare g, <span class="Constant">0x29</span>/close-paren
+<span id="L563" class="LineNr">563 </span>  <span class="Delimiter">{</span>
+<span id="L564" class="LineNr">564 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L565" class="LineNr">565 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L566" class="LineNr">566 </span>  <span class="Delimiter">}</span>
+<span id="L567" class="LineNr">567 </span>  compare g, <span class="Constant">0x5b</span>/open-square-bracket
 <span id="L568" class="LineNr">568 </span>  <span class="Delimiter">{</span>
 <span id="L569" class="LineNr">569 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L570" class="LineNr">570 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
 <span id="L571" class="LineNr">571 </span>  <span class="Delimiter">}</span>
-<span id="L572" class="LineNr">572 </span>  compare g, <span class="Constant">0x26</span>/ampersand
+<span id="L572" class="LineNr">572 </span>  compare g, <span class="Constant">0x5d</span>/close-square-bracket
 <span id="L573" class="LineNr">573 </span>  <span class="Delimiter">{</span>
 <span id="L574" class="LineNr">574 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L575" class="LineNr">575 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
 <span id="L576" class="LineNr">576 </span>  <span class="Delimiter">}</span>
-<span id="L577" class="LineNr">577 </span>  compare g, <span class="Constant">0x27</span>/single-quote
+<span id="L577" class="LineNr">577 </span>  compare g, <span class="Constant">0x7b</span>/open-curly-bracket
 <span id="L578" class="LineNr">578 </span>  <span class="Delimiter">{</span>
 <span id="L579" class="LineNr">579 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L580" class="LineNr">580 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
 <span id="L581" class="LineNr">581 </span>  <span class="Delimiter">}</span>
-<span id="L582" class="LineNr">582 </span>  compare g, <span class="Constant">0x60</span>/backquote
+<span id="L582" class="LineNr">582 </span>  compare g, <span class="Constant">0x7d</span>/close-curly-bracket
 <span id="L583" class="LineNr">583 </span>  <span class="Delimiter">{</span>
 <span id="L584" class="LineNr">584 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L585" class="LineNr">585 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
 <span id="L586" class="LineNr">586 </span>  <span class="Delimiter">}</span>
-<span id="L587" class="LineNr">587 </span>  compare g, <span class="Constant">0x2c</span>/comma
-<span id="L588" class="LineNr">588 </span>  <span class="Delimiter">{</span>
-<span id="L589" class="LineNr">589 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L590" class="LineNr">590 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L591" class="LineNr">591 </span>  <span class="Delimiter">}</span>
-<span id="L592" class="LineNr">592 </span>  compare g, <span class="Constant">0x40</span>/at-sign
-<span id="L593" class="LineNr">593 </span>  <span class="Delimiter">{</span>
-<span id="L594" class="LineNr">594 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L595" class="LineNr">595 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L596" class="LineNr">596 </span>  <span class="Delimiter">}</span>
-<span id="L597" class="LineNr">597 </span>  compare g, <span class="Constant">0x2a</span>/asterisk
-<span id="L598" class="LineNr">598 </span>  <span class="Delimiter">{</span>
-<span id="L599" class="LineNr">599 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L600" class="LineNr">600 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L601" class="LineNr">601 </span>  <span class="Delimiter">}</span>
-<span id="L602" class="LineNr">602 </span>  compare g, <span class="Constant">0x2b</span>/plus
-<span id="L603" class="LineNr">603 </span>  <span class="Delimiter">{</span>
-<span id="L604" class="LineNr">604 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L605" class="LineNr">605 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L606" class="LineNr">606 </span>  <span class="Delimiter">}</span>
-<span id="L607" class="LineNr">607 </span>  compare g, <span class="Constant">0x2d</span>/dash  <span class="muComment"># '-' not allowed in symbols</span>
-<span id="L608" class="LineNr">608 </span>  <span class="Delimiter">{</span>
-<span id="L609" class="LineNr">609 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L610" class="LineNr">610 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L611" class="LineNr">611 </span>  <span class="Delimiter">}</span>
-<span id="L612" class="LineNr">612 </span>  compare g, <span class="Constant">0x2e</span>/period
-<span id="L613" class="LineNr">613 </span>  <span class="Delimiter">{</span>
-<span id="L614" class="LineNr">614 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L615" class="LineNr">615 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L616" class="LineNr">616 </span>  <span class="Delimiter">}</span>
-<span id="L617" class="LineNr">617 </span>  compare g, <span class="Constant">0x2f</span>/slash
-<span id="L618" class="LineNr">618 </span>  <span class="Delimiter">{</span>
-<span id="L619" class="LineNr">619 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L620" class="LineNr">620 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L621" class="LineNr">621 </span>  <span class="Delimiter">}</span>
-<span id="L622" class="LineNr">622 </span>  compare g, <span class="Constant">0x3a</span>/colon
-<span id="L623" class="LineNr">623 </span>  <span class="Delimiter">{</span>
-<span id="L624" class="LineNr">624 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L625" class="LineNr">625 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L626" class="LineNr">626 </span>  <span class="Delimiter">}</span>
-<span id="L627" class="LineNr">627 </span>  compare g, <span class="Constant">0x3b</span>/semi-colon
-<span id="L628" class="LineNr">628 </span>  <span class="Delimiter">{</span>
-<span id="L629" class="LineNr">629 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L630" class="LineNr">630 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L631" class="LineNr">631 </span>  <span class="Delimiter">}</span>
-<span id="L632" class="LineNr">632 </span>  compare g, <span class="Constant">0x3c</span>/less-than
-<span id="L633" class="LineNr">633 </span>  <span class="Delimiter">{</span>
-<span id="L634" class="LineNr">634 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L635" class="LineNr">635 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L636" class="LineNr">636 </span>  <span class="Delimiter">}</span>
-<span id="L637" class="LineNr">637 </span>  compare g, <span class="Constant">0x3d</span>/equal
-<span id="L638" class="LineNr">638 </span>  <span class="Delimiter">{</span>
-<span id="L639" class="LineNr">639 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L640" class="LineNr">640 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L641" class="LineNr">641 </span>  <span class="Delimiter">}</span>
-<span id="L642" class="LineNr">642 </span>  compare g, <span class="Constant">0x3e</span>/greater-than
-<span id="L643" class="LineNr">643 </span>  <span class="Delimiter">{</span>
-<span id="L644" class="LineNr">644 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L645" class="LineNr">645 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L646" class="LineNr">646 </span>  <span class="Delimiter">}</span>
-<span id="L647" class="LineNr">647 </span>  <span class="muComment"># '?' is a symbol char</span>
-<span id="L648" class="LineNr">648 </span>  compare g, <span class="Constant">0x5c</span>/backslash
-<span id="L649" class="LineNr">649 </span>  <span class="Delimiter">{</span>
-<span id="L650" class="LineNr">650 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L651" class="LineNr">651 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L652" class="LineNr">652 </span>  <span class="Delimiter">}</span>
-<span id="L653" class="LineNr">653 </span>  compare g, <span class="Constant">0x5e</span>/caret
-<span id="L654" class="LineNr">654 </span>  <span class="Delimiter">{</span>
-<span id="L655" class="LineNr">655 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L656" class="LineNr">656 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L657" class="LineNr">657 </span>  <span class="Delimiter">}</span>
-<span id="L658" class="LineNr">658 </span>  <span class="muComment"># '_' is a symbol char</span>
-<span id="L659" class="LineNr">659 </span>  compare g, <span class="Constant">0x7c</span>/vertical-line
-<span id="L660" class="LineNr">660 </span>  <span class="Delimiter">{</span>
-<span id="L661" class="LineNr">661 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L662" class="LineNr">662 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L663" class="LineNr">663 </span>  <span class="Delimiter">}</span>
-<span id="L664" class="LineNr">664 </span>  compare g, <span class="Constant">0x7e</span>/tilde
-<span id="L665" class="LineNr">665 </span>  <span class="Delimiter">{</span>
-<span id="L666" class="LineNr">666 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L667" class="LineNr">667 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L668" class="LineNr">668 </span>  <span class="Delimiter">}</span>
-<span id="L669" class="LineNr">669 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L670" class="LineNr">670 </span><span class="Delimiter">}</span>
-<span id="L671" class="LineNr">671 </span>
-<span id="L672" class="LineNr">672 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L672'>bracket-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L673" class="LineNr">673 </span>  compare g, <span class="Constant">0x28</span>/open-paren
-<span id="L674" class="LineNr">674 </span>  <span class="Delimiter">{</span>
-<span id="L675" class="LineNr">675 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L676" class="LineNr">676 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L677" class="LineNr">677 </span>  <span class="Delimiter">}</span>
-<span id="L678" class="LineNr">678 </span>  compare g, <span class="Constant">0x29</span>/close-paren
-<span id="L679" class="LineNr">679 </span>  <span class="Delimiter">{</span>
-<span id="L680" class="LineNr">680 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L681" class="LineNr">681 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L682" class="LineNr">682 </span>  <span class="Delimiter">}</span>
-<span id="L683" class="LineNr">683 </span>  compare g, <span class="Constant">0x5b</span>/open-square-bracket
-<span id="L684" class="LineNr">684 </span>  <span class="Delimiter">{</span>
-<span id="L685" class="LineNr">685 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L686" class="LineNr">686 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L687" class="LineNr">687 </span>  <span class="Delimiter">}</span>
-<span id="L688" class="LineNr">688 </span>  compare g, <span class="Constant">0x5d</span>/close-square-bracket
-<span id="L689" class="LineNr">689 </span>  <span class="Delimiter">{</span>
-<span id="L690" class="LineNr">690 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L691" class="LineNr">691 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L692" class="LineNr">692 </span>  <span class="Delimiter">}</span>
-<span id="L693" class="LineNr">693 </span>  compare g, <span class="Constant">0x7b</span>/open-curly-bracket
-<span id="L694" class="LineNr">694 </span>  <span class="Delimiter">{</span>
-<span id="L695" class="LineNr">695 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L696" class="LineNr">696 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L697" class="LineNr">697 </span>  <span class="Delimiter">}</span>
-<span id="L698" class="LineNr">698 </span>  compare g, <span class="Constant">0x7d</span>/close-curly-bracket
-<span id="L699" class="LineNr">699 </span>  <span class="Delimiter">{</span>
-<span id="L700" class="LineNr">700 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L701" class="LineNr">701 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L702" class="LineNr">702 </span>  <span class="Delimiter">}</span>
-<span id="L703" class="LineNr">703 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L704" class="LineNr">704 </span><span class="Delimiter">}</span>
-<span id="L705" class="LineNr">705 </span>
-<span id="L706" class="LineNr">706 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L706'>operator-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L707" class="LineNr">707 </span>  <span class="muComment"># '$' is a symbol char</span>
-<span id="L708" class="LineNr">708 </span>  compare g, <span class="Constant">0x25</span>/percent
-<span id="L709" class="LineNr">709 </span>  <span class="Delimiter">{</span>
-<span id="L710" class="LineNr">710 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L711" class="LineNr">711 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/false
-<span id="L712" class="LineNr">712 </span>  <span class="Delimiter">}</span>
-<span id="L713" class="LineNr">713 </span>  compare g, <span class="Constant">0x26</span>/ampersand
-<span id="L714" class="LineNr">714 </span>  <span class="Delimiter">{</span>
-<span id="L715" class="LineNr">715 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L716" class="LineNr">716 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L717" class="LineNr">717 </span>  <span class="Delimiter">}</span>
-<span id="L718" class="LineNr">718 </span>  compare g, <span class="Constant">0x27</span>/single-quote
-<span id="L719" class="LineNr">719 </span>  <span class="Delimiter">{</span>
-<span id="L720" class="LineNr">720 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L721" class="LineNr">721 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/true
-<span id="L722" class="LineNr">722 </span>  <span class="Delimiter">}</span>
-<span id="L723" class="LineNr">723 </span>  compare g, <span class="Constant">0x60</span>/backquote
-<span id="L724" class="LineNr">724 </span>  <span class="Delimiter">{</span>
-<span id="L725" class="LineNr">725 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L726" class="LineNr">726 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L727" class="LineNr">727 </span>  <span class="Delimiter">}</span>
-<span id="L728" class="LineNr">728 </span>  compare g, <span class="Constant">0x2c</span>/comma
-<span id="L729" class="LineNr">729 </span>  <span class="Delimiter">{</span>
-<span id="L730" class="LineNr">730 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L731" class="LineNr">731 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L732" class="LineNr">732 </span>  <span class="Delimiter">}</span>
-<span id="L733" class="LineNr">733 </span>  compare g, <span class="Constant">0x40</span>/at-sign
-<span id="L734" class="LineNr">734 </span>  <span class="Delimiter">{</span>
-<span id="L735" class="LineNr">735 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L736" class="LineNr">736 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L737" class="LineNr">737 </span>  <span class="Delimiter">}</span>
-<span id="L738" class="LineNr">738 </span>  compare g, <span class="Constant">0x2a</span>/asterisk
-<span id="L739" class="LineNr">739 </span>  <span class="Delimiter">{</span>
-<span id="L740" class="LineNr">740 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L741" class="LineNr">741 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L742" class="LineNr">742 </span>  <span class="Delimiter">}</span>
-<span id="L743" class="LineNr">743 </span>  compare g, <span class="Constant">0x2b</span>/plus
-<span id="L744" class="LineNr">744 </span>  <span class="Delimiter">{</span>
-<span id="L745" class="LineNr">745 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L746" class="LineNr">746 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L747" class="LineNr">747 </span>  <span class="Delimiter">}</span>
-<span id="L748" class="LineNr">748 </span>  compare g, <span class="Constant">0x2d</span>/dash  <span class="muComment"># '-' not allowed in symbols</span>
-<span id="L749" class="LineNr">749 </span>  <span class="Delimiter">{</span>
-<span id="L750" class="LineNr">750 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L751" class="LineNr">751 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L752" class="LineNr">752 </span>  <span class="Delimiter">}</span>
-<span id="L753" class="LineNr">753 </span>  compare g, <span class="Constant">0x2e</span>/period
-<span id="L754" class="LineNr">754 </span>  <span class="Delimiter">{</span>
-<span id="L755" class="LineNr">755 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L756" class="LineNr">756 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L757" class="LineNr">757 </span>  <span class="Delimiter">}</span>
-<span id="L758" class="LineNr">758 </span>  compare g, <span class="Constant">0x2f</span>/slash
-<span id="L759" class="LineNr">759 </span>  <span class="Delimiter">{</span>
-<span id="L760" class="LineNr">760 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L761" class="LineNr">761 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L762" class="LineNr">762 </span>  <span class="Delimiter">}</span>
-<span id="L763" class="LineNr">763 </span>  compare g, <span class="Constant">0x3a</span>/colon
-<span id="L764" class="LineNr">764 </span>  <span class="Delimiter">{</span>
-<span id="L765" class="LineNr">765 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L766" class="LineNr">766 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L767" class="LineNr">767 </span>  <span class="Delimiter">}</span>
-<span id="L768" class="LineNr">768 </span>  compare g, <span class="Constant">0x3b</span>/semi-colon
-<span id="L769" class="LineNr">769 </span>  <span class="Delimiter">{</span>
-<span id="L770" class="LineNr">770 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L771" class="LineNr">771 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L772" class="LineNr">772 </span>  <span class="Delimiter">}</span>
-<span id="L773" class="LineNr">773 </span>  compare g, <span class="Constant">0x3c</span>/less-than
-<span id="L774" class="LineNr">774 </span>  <span class="Delimiter">{</span>
-<span id="L775" class="LineNr">775 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L776" class="LineNr">776 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L777" class="LineNr">777 </span>  <span class="Delimiter">}</span>
-<span id="L778" class="LineNr">778 </span>  compare g, <span class="Constant">0x3d</span>/equal
-<span id="L779" class="LineNr">779 </span>  <span class="Delimiter">{</span>
-<span id="L780" class="LineNr">780 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L781" class="LineNr">781 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L782" class="LineNr">782 </span>  <span class="Delimiter">}</span>
-<span id="L783" class="LineNr">783 </span>  compare g, <span class="Constant">0x3e</span>/greater-than
-<span id="L784" class="LineNr">784 </span>  <span class="Delimiter">{</span>
-<span id="L785" class="LineNr">785 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L786" class="LineNr">786 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L787" class="LineNr">787 </span>  <span class="Delimiter">}</span>
-<span id="L788" class="LineNr">788 </span>  <span class="muComment"># '?' is a symbol char</span>
-<span id="L789" class="LineNr">789 </span>  compare g, <span class="Constant">0x5c</span>/backslash
-<span id="L790" class="LineNr">790 </span>  <span class="Delimiter">{</span>
-<span id="L791" class="LineNr">791 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L792" class="LineNr">792 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L793" class="LineNr">793 </span>  <span class="Delimiter">}</span>
-<span id="L794" class="LineNr">794 </span>  compare g, <span class="Constant">0x5e</span>/caret
-<span id="L795" class="LineNr">795 </span>  <span class="Delimiter">{</span>
-<span id="L796" class="LineNr">796 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L797" class="LineNr">797 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L798" class="LineNr">798 </span>  <span class="Delimiter">}</span>
-<span id="L799" class="LineNr">799 </span>  <span class="muComment"># '_' is a symbol char</span>
-<span id="L800" class="LineNr">800 </span>  compare g, <span class="Constant">0x7c</span>/vertical-line
-<span id="L801" class="LineNr">801 </span>  <span class="Delimiter">{</span>
-<span id="L802" class="LineNr">802 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L803" class="LineNr">803 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L804" class="LineNr">804 </span>  <span class="Delimiter">}</span>
-<span id="L805" class="LineNr">805 </span>  compare g, <span class="Constant">0x7e</span>/tilde
-<span id="L806" class="LineNr">806 </span>  <span class="Delimiter">{</span>
-<span id="L807" class="LineNr">807 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L808" class="LineNr">808 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L809" class="LineNr">809 </span>  <span class="Delimiter">}</span>
-<span id="L810" class="LineNr">810 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L811" class="LineNr">811 </span><span class="Delimiter">}</span>
-<span id="L812" class="LineNr">812 </span>
-<span id="L813" class="LineNr">813 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L813'>number-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L814" class="LineNr">814 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L815" class="LineNr">815 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L816" class="LineNr">816 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L817" class="LineNr">817 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L818" class="LineNr">818 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L819" class="LineNr">819 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
-<span id="L820" class="LineNr">820 </span>  <span class="PreProc">return</span> result
-<span id="L821" class="LineNr">821 </span><span class="Delimiter">}</span>
-<span id="L822" class="LineNr">822 </span>
-<span id="L823" class="LineNr">823 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L823'>bracket-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L824" class="LineNr">824 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L825" class="LineNr">825 </span>  <span class="Delimiter">{</span>
-<span id="L826" class="LineNr">826 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L827" class="LineNr">827 </span>    compare *in-type, <span class="Constant">3</span>/stream
-<span id="L828" class="LineNr">828 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L829" class="LineNr">829 </span>    <span class="muComment"># streams are never paren tokens</span>
-<span id="L830" class="LineNr">830 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L831" class="LineNr">831 </span>  <span class="Delimiter">}</span>
-<span id="L832" class="LineNr">832 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L833" class="LineNr">833 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L834" class="LineNr">834 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L835" class="LineNr">835 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L836" class="LineNr">836 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L672'>bracket-grapheme?</a> g
-<span id="L837" class="LineNr">837 </span>  <span class="PreProc">return</span> result
-<span id="L838" class="LineNr">838 </span><span class="Delimiter">}</span>
-<span id="L839" class="LineNr">839 </span>
-<span id="L840" class="LineNr">840 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L840'>quote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L841" class="LineNr">841 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L842" class="LineNr">842 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L843" class="LineNr">843 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L844" class="LineNr">844 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L845" class="LineNr">845 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;'&quot;</span>
-<span id="L846" class="LineNr">846 </span>  <span class="PreProc">return</span> result
-<span id="L847" class="LineNr">847 </span><span class="Delimiter">}</span>
-<span id="L848" class="LineNr">848 </span>
-<span id="L849" class="LineNr">849 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L849'>backquote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L850" class="LineNr">850 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L851" class="LineNr">851 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L852" class="LineNr">852 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L853" class="LineNr">853 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L854" class="LineNr">854 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;`&quot;</span>
-<span id="L855" class="LineNr">855 </span>  <span class="PreProc">return</span> result
-<span id="L856" class="LineNr">856 </span><span class="Delimiter">}</span>
-<span id="L857" class="LineNr">857 </span>
-<span id="L858" class="LineNr">858 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L858'>unquote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L859" class="LineNr">859 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L587" class="LineNr">587 </span>  <span class="muComment"># - other punctuation</span>
+<span id="L588" class="LineNr">588 </span>  <span class="muComment"># '!' is a symbol char</span>
+<span id="L589" class="LineNr">589 </span>  compare g, <span class="Constant">0x23</span>/hash
+<span id="L590" class="LineNr">590 </span>  <span class="Delimiter">{</span>
+<span id="L591" class="LineNr">591 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L592" class="LineNr">592 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L593" class="LineNr">593 </span>  <span class="Delimiter">}</span>
+<span id="L594" class="LineNr">594 </span>  <span class="muComment"># '$' is a symbol char</span>
+<span id="L595" class="LineNr">595 </span>  compare g, <span class="Constant">0x25</span>/percent
+<span id="L596" class="LineNr">596 </span>  <span class="Delimiter">{</span>
+<span id="L597" class="LineNr">597 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L598" class="LineNr">598 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L599" class="LineNr">599 </span>  <span class="Delimiter">}</span>
+<span id="L600" class="LineNr">600 </span>  compare g, <span class="Constant">0x26</span>/ampersand
+<span id="L601" class="LineNr">601 </span>  <span class="Delimiter">{</span>
+<span id="L602" class="LineNr">602 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L603" class="LineNr">603 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L604" class="LineNr">604 </span>  <span class="Delimiter">}</span>
+<span id="L605" class="LineNr">605 </span>  compare g, <span class="Constant">0x27</span>/single-quote
+<span id="L606" class="LineNr">606 </span>  <span class="Delimiter">{</span>
+<span id="L607" class="LineNr">607 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L608" class="LineNr">608 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L609" class="LineNr">609 </span>  <span class="Delimiter">}</span>
+<span id="L610" class="LineNr">610 </span>  compare g, <span class="Constant">0x60</span>/backquote
+<span id="L611" class="LineNr">611 </span>  <span class="Delimiter">{</span>
+<span id="L612" class="LineNr">612 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L613" class="LineNr">613 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L614" class="LineNr">614 </span>  <span class="Delimiter">}</span>
+<span id="L615" class="LineNr">615 </span>  compare g, <span class="Constant">0x2c</span>/comma
+<span id="L616" class="LineNr">616 </span>  <span class="Delimiter">{</span>
+<span id="L617" class="LineNr">617 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L618" class="LineNr">618 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L619" class="LineNr">619 </span>  <span class="Delimiter">}</span>
+<span id="L620" class="LineNr">620 </span>  compare g, <span class="Constant">0x40</span>/at-sign
+<span id="L621" class="LineNr">621 </span>  <span class="Delimiter">{</span>
+<span id="L622" class="LineNr">622 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L623" class="LineNr">623 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L624" class="LineNr">624 </span>  <span class="Delimiter">}</span>
+<span id="L625" class="LineNr">625 </span>  compare g, <span class="Constant">0x2a</span>/asterisk
+<span id="L626" class="LineNr">626 </span>  <span class="Delimiter">{</span>
+<span id="L627" class="LineNr">627 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L628" class="LineNr">628 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L629" class="LineNr">629 </span>  <span class="Delimiter">}</span>
+<span id="L630" class="LineNr">630 </span>  compare g, <span class="Constant">0x2b</span>/plus
+<span id="L631" class="LineNr">631 </span>  <span class="Delimiter">{</span>
+<span id="L632" class="LineNr">632 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L633" class="LineNr">633 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L634" class="LineNr">634 </span>  <span class="Delimiter">}</span>
+<span id="L635" class="LineNr">635 </span>  compare g, <span class="Constant">0x2d</span>/dash  <span class="muComment"># '-' not allowed in symbols</span>
+<span id="L636" class="LineNr">636 </span>  <span class="Delimiter">{</span>
+<span id="L637" class="LineNr">637 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L638" class="LineNr">638 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L639" class="LineNr">639 </span>  <span class="Delimiter">}</span>
+<span id="L640" class="LineNr">640 </span>  compare g, <span class="Constant">0x2e</span>/period
+<span id="L641" class="LineNr">641 </span>  <span class="Delimiter">{</span>
+<span id="L642" class="LineNr">642 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L643" class="LineNr">643 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L644" class="LineNr">644 </span>  <span class="Delimiter">}</span>
+<span id="L645" class="LineNr">645 </span>  compare g, <span class="Constant">0x2f</span>/slash
+<span id="L646" class="LineNr">646 </span>  <span class="Delimiter">{</span>
+<span id="L647" class="LineNr">647 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L648" class="LineNr">648 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L649" class="LineNr">649 </span>  <span class="Delimiter">}</span>
+<span id="L650" class="LineNr">650 </span>  compare g, <span class="Constant">0x3a</span>/colon
+<span id="L651" class="LineNr">651 </span>  <span class="Delimiter">{</span>
+<span id="L652" class="LineNr">652 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L653" class="LineNr">653 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L654" class="LineNr">654 </span>  <span class="Delimiter">}</span>
+<span id="L655" class="LineNr">655 </span>  compare g, <span class="Constant">0x3b</span>/semi-colon
+<span id="L656" class="LineNr">656 </span>  <span class="Delimiter">{</span>
+<span id="L657" class="LineNr">657 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L658" class="LineNr">658 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L659" class="LineNr">659 </span>  <span class="Delimiter">}</span>
+<span id="L660" class="LineNr">660 </span>  compare g, <span class="Constant">0x3c</span>/less-than
+<span id="L661" class="LineNr">661 </span>  <span class="Delimiter">{</span>
+<span id="L662" class="LineNr">662 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L663" class="LineNr">663 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L664" class="LineNr">664 </span>  <span class="Delimiter">}</span>
+<span id="L665" class="LineNr">665 </span>  compare g, <span class="Constant">0x3d</span>/equal
+<span id="L666" class="LineNr">666 </span>  <span class="Delimiter">{</span>
+<span id="L667" class="LineNr">667 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L668" class="LineNr">668 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L669" class="LineNr">669 </span>  <span class="Delimiter">}</span>
+<span id="L670" class="LineNr">670 </span>  compare g, <span class="Constant">0x3e</span>/greater-than
+<span id="L671" class="LineNr">671 </span>  <span class="Delimiter">{</span>
+<span id="L672" class="LineNr">672 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L673" class="LineNr">673 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L674" class="LineNr">674 </span>  <span class="Delimiter">}</span>
+<span id="L675" class="LineNr">675 </span>  <span class="muComment"># '?' is a symbol char</span>
+<span id="L676" class="LineNr">676 </span>  compare g, <span class="Constant">0x5c</span>/backslash
+<span id="L677" class="LineNr">677 </span>  <span class="Delimiter">{</span>
+<span id="L678" class="LineNr">678 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L679" class="LineNr">679 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L680" class="LineNr">680 </span>  <span class="Delimiter">}</span>
+<span id="L681" class="LineNr">681 </span>  compare g, <span class="Constant">0x5e</span>/caret
+<span id="L682" class="LineNr">682 </span>  <span class="Delimiter">{</span>
+<span id="L683" class="LineNr">683 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L684" class="LineNr">684 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L685" class="LineNr">685 </span>  <span class="Delimiter">}</span>
+<span id="L686" class="LineNr">686 </span>  <span class="muComment"># '_' is a symbol char</span>
+<span id="L687" class="LineNr">687 </span>  compare g, <span class="Constant">0x7c</span>/vertical-line
+<span id="L688" class="LineNr">688 </span>  <span class="Delimiter">{</span>
+<span id="L689" class="LineNr">689 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L690" class="LineNr">690 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L691" class="LineNr">691 </span>  <span class="Delimiter">}</span>
+<span id="L692" class="LineNr">692 </span>  compare g, <span class="Constant">0x7e</span>/tilde
+<span id="L693" class="LineNr">693 </span>  <span class="Delimiter">{</span>
+<span id="L694" class="LineNr">694 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L695" class="LineNr">695 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L696" class="LineNr">696 </span>  <span class="Delimiter">}</span>
+<span id="L697" class="LineNr">697 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L698" class="LineNr">698 </span><span class="Delimiter">}</span>
+<span id="L699" class="LineNr">699 </span>
+<span id="L700" class="LineNr">700 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L700'>bracket-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L701" class="LineNr">701 </span>  compare g, <span class="Constant">0x28</span>/open-paren
+<span id="L702" class="LineNr">702 </span>  <span class="Delimiter">{</span>
+<span id="L703" class="LineNr">703 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L704" class="LineNr">704 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L705" class="LineNr">705 </span>  <span class="Delimiter">}</span>
+<span id="L706" class="LineNr">706 </span>  compare g, <span class="Constant">0x29</span>/close-paren
+<span id="L707" class="LineNr">707 </span>  <span class="Delimiter">{</span>
+<span id="L708" class="LineNr">708 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L709" class="LineNr">709 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L710" class="LineNr">710 </span>  <span class="Delimiter">}</span>
+<span id="L711" class="LineNr">711 </span>  compare g, <span class="Constant">0x5b</span>/open-square-bracket
+<span id="L712" class="LineNr">712 </span>  <span class="Delimiter">{</span>
+<span id="L713" class="LineNr">713 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L714" class="LineNr">714 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L715" class="LineNr">715 </span>  <span class="Delimiter">}</span>
+<span id="L716" class="LineNr">716 </span>  compare g, <span class="Constant">0x5d</span>/close-square-bracket
+<span id="L717" class="LineNr">717 </span>  <span class="Delimiter">{</span>
+<span id="L718" class="LineNr">718 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L719" class="LineNr">719 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L720" class="LineNr">720 </span>  <span class="Delimiter">}</span>
+<span id="L721" class="LineNr">721 </span>  compare g, <span class="Constant">0x7b</span>/open-curly-bracket
+<span id="L722" class="LineNr">722 </span>  <span class="Delimiter">{</span>
+<span id="L723" class="LineNr">723 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L724" class="LineNr">724 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L725" class="LineNr">725 </span>  <span class="Delimiter">}</span>
+<span id="L726" class="LineNr">726 </span>  compare g, <span class="Constant">0x7d</span>/close-curly-bracket
+<span id="L727" class="LineNr">727 </span>  <span class="Delimiter">{</span>
+<span id="L728" class="LineNr">728 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L729" class="LineNr">729 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L730" class="LineNr">730 </span>  <span class="Delimiter">}</span>
+<span id="L731" class="LineNr">731 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L732" class="LineNr">732 </span><span class="Delimiter">}</span>
+<span id="L733" class="LineNr">733 </span>
+<span id="L734" class="LineNr">734 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L734'>operator-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L735" class="LineNr">735 </span>  <span class="muComment"># '$' is a symbol char</span>
+<span id="L736" class="LineNr">736 </span>  compare g, <span class="Constant">0x25</span>/percent
+<span id="L737" class="LineNr">737 </span>  <span class="Delimiter">{</span>
+<span id="L738" class="LineNr">738 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L739" class="LineNr">739 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/false
+<span id="L740" class="LineNr">740 </span>  <span class="Delimiter">}</span>
+<span id="L741" class="LineNr">741 </span>  compare g, <span class="Constant">0x26</span>/ampersand
+<span id="L742" class="LineNr">742 </span>  <span class="Delimiter">{</span>
+<span id="L743" class="LineNr">743 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L744" class="LineNr">744 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L745" class="LineNr">745 </span>  <span class="Delimiter">}</span>
+<span id="L746" class="LineNr">746 </span>  compare g, <span class="Constant">0x27</span>/single-quote
+<span id="L747" class="LineNr">747 </span>  <span class="Delimiter">{</span>
+<span id="L748" class="LineNr">748 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L749" class="LineNr">749 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/true
+<span id="L750" class="LineNr">750 </span>  <span class="Delimiter">}</span>
+<span id="L751" class="LineNr">751 </span>  compare g, <span class="Constant">0x60</span>/backquote
+<span id="L752" class="LineNr">752 </span>  <span class="Delimiter">{</span>
+<span id="L753" class="LineNr">753 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L754" class="LineNr">754 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L755" class="LineNr">755 </span>  <span class="Delimiter">}</span>
+<span id="L756" class="LineNr">756 </span>  compare g, <span class="Constant">0x2c</span>/comma
+<span id="L757" class="LineNr">757 </span>  <span class="Delimiter">{</span>
+<span id="L758" class="LineNr">758 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L759" class="LineNr">759 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L760" class="LineNr">760 </span>  <span class="Delimiter">}</span>
+<span id="L761" class="LineNr">761 </span>  compare g, <span class="Constant">0x40</span>/at-sign
+<span id="L762" class="LineNr">762 </span>  <span class="Delimiter">{</span>
+<span id="L763" class="LineNr">763 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L764" class="LineNr">764 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L765" class="LineNr">765 </span>  <span class="Delimiter">}</span>
+<span id="L766" class="LineNr">766 </span>  compare g, <span class="Constant">0x2a</span>/asterisk
+<span id="L767" class="LineNr">767 </span>  <span class="Delimiter">{</span>
+<span id="L768" class="LineNr">768 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L769" class="LineNr">769 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L770" class="LineNr">770 </span>  <span class="Delimiter">}</span>
+<span id="L771" class="LineNr">771 </span>  compare g, <span class="Constant">0x2b</span>/plus
+<span id="L772" class="LineNr">772 </span>  <span class="Delimiter">{</span>
+<span id="L773" class="LineNr">773 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L774" class="LineNr">774 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L775" class="LineNr">775 </span>  <span class="Delimiter">}</span>
+<span id="L776" class="LineNr">776 </span>  compare g, <span class="Constant">0x2d</span>/dash  <span class="muComment"># '-' not allowed in symbols</span>
+<span id="L777" class="LineNr">777 </span>  <span class="Delimiter">{</span>
+<span id="L778" class="LineNr">778 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L779" class="LineNr">779 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L780" class="LineNr">780 </span>  <span class="Delimiter">}</span>
+<span id="L781" class="LineNr">781 </span>  compare g, <span class="Constant">0x2e</span>/period
+<span id="L782" class="LineNr">782 </span>  <span class="Delimiter">{</span>
+<span id="L783" class="LineNr">783 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L784" class="LineNr">784 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L785" class="LineNr">785 </span>  <span class="Delimiter">}</span>
+<span id="L786" class="LineNr">786 </span>  compare g, <span class="Constant">0x2f</span>/slash
+<span id="L787" class="LineNr">787 </span>  <span class="Delimiter">{</span>
+<span id="L788" class="LineNr">788 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L789" class="LineNr">789 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L790" class="LineNr">790 </span>  <span class="Delimiter">}</span>
+<span id="L791" class="LineNr">791 </span>  compare g, <span class="Constant">0x3a</span>/colon
+<span id="L792" class="LineNr">792 </span>  <span class="Delimiter">{</span>
+<span id="L793" class="LineNr">793 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L794" class="LineNr">794 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L795" class="LineNr">795 </span>  <span class="Delimiter">}</span>
+<span id="L796" class="LineNr">796 </span>  compare g, <span class="Constant">0x3b</span>/semi-colon
+<span id="L797" class="LineNr">797 </span>  <span class="Delimiter">{</span>
+<span id="L798" class="LineNr">798 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L799" class="LineNr">799 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L800" class="LineNr">800 </span>  <span class="Delimiter">}</span>
+<span id="L801" class="LineNr">801 </span>  compare g, <span class="Constant">0x3c</span>/less-than
+<span id="L802" class="LineNr">802 </span>  <span class="Delimiter">{</span>
+<span id="L803" class="LineNr">803 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L804" class="LineNr">804 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L805" class="LineNr">805 </span>  <span class="Delimiter">}</span>
+<span id="L806" class="LineNr">806 </span>  compare g, <span class="Constant">0x3d</span>/equal
+<span id="L807" class="LineNr">807 </span>  <span class="Delimiter">{</span>
+<span id="L808" class="LineNr">808 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L809" class="LineNr">809 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L810" class="LineNr">810 </span>  <span class="Delimiter">}</span>
+<span id="L811" class="LineNr">811 </span>  compare g, <span class="Constant">0x3e</span>/greater-than
+<span id="L812" class="LineNr">812 </span>  <span class="Delimiter">{</span>
+<span id="L813" class="LineNr">813 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L814" class="LineNr">814 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L815" class="LineNr">815 </span>  <span class="Delimiter">}</span>
+<span id="L816" class="LineNr">816 </span>  <span class="muComment"># '?' is a symbol char</span>
+<span id="L817" class="LineNr">817 </span>  compare g, <span class="Constant">0x5c</span>/backslash
+<span id="L818" class="LineNr">818 </span>  <span class="Delimiter">{</span>
+<span id="L819" class="LineNr">819 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L820" class="LineNr">820 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L821" class="LineNr">821 </span>  <span class="Delimiter">}</span>
+<span id="L822" class="LineNr">822 </span>  compare g, <span class="Constant">0x5e</span>/caret
+<span id="L823" class="LineNr">823 </span>  <span class="Delimiter">{</span>
+<span id="L824" class="LineNr">824 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L825" class="LineNr">825 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L826" class="LineNr">826 </span>  <span class="Delimiter">}</span>
+<span id="L827" class="LineNr">827 </span>  <span class="muComment"># '_' is a symbol char</span>
+<span id="L828" class="LineNr">828 </span>  compare g, <span class="Constant">0x7c</span>/vertical-line
+<span id="L829" class="LineNr">829 </span>  <span class="Delimiter">{</span>
+<span id="L830" class="LineNr">830 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L831" class="LineNr">831 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L832" class="LineNr">832 </span>  <span class="Delimiter">}</span>
+<span id="L833" class="LineNr">833 </span>  compare g, <span class="Constant">0x7e</span>/tilde
+<span id="L834" class="LineNr">834 </span>  <span class="Delimiter">{</span>
+<span id="L835" class="LineNr">835 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L836" class="LineNr">836 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L837" class="LineNr">837 </span>  <span class="Delimiter">}</span>
+<span id="L838" class="LineNr">838 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L839" class="LineNr">839 </span><span class="Delimiter">}</span>
+<span id="L840" class="LineNr">840 </span>
+<span id="L841" class="LineNr">841 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L841'>number-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L842" class="LineNr">842 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L843" class="LineNr">843 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L844" class="LineNr">844 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L845" class="LineNr">845 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L846" class="LineNr">846 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L847" class="LineNr">847 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../126write-int-decimal.subx.html#L296'>decimal-digit?</a> g
+<span id="L848" class="LineNr">848 </span>  <span class="PreProc">return</span> result
+<span id="L849" class="LineNr">849 </span><span class="Delimiter">}</span>
+<span id="L850" class="LineNr">850 </span>
+<span id="L851" class="LineNr">851 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L851'>bracket-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L852" class="LineNr">852 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L853" class="LineNr">853 </span>  <span class="Delimiter">{</span>
+<span id="L854" class="LineNr">854 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L855" class="LineNr">855 </span>    compare *in-type, <span class="Constant">3</span>/stream
+<span id="L856" class="LineNr">856 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L857" class="LineNr">857 </span>    <span class="muComment"># streams are never paren tokens</span>
+<span id="L858" class="LineNr">858 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L859" class="LineNr">859 </span>  <span class="Delimiter">}</span>
 <span id="L860" class="LineNr">860 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
 <span id="L861" class="LineNr">861 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
 <span id="L862" class="LineNr">862 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L863" class="LineNr">863 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;,&quot;</span>
-<span id="L864" class="LineNr">864 </span>  <span class="PreProc">return</span> result
-<span id="L865" class="LineNr">865 </span><span class="Delimiter">}</span>
-<span id="L866" class="LineNr">866 </span>
-<span id="L867" class="LineNr">867 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L867'>unquote-splice-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L868" class="LineNr">868 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L869" class="LineNr">869 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L870" class="LineNr">870 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L871" class="LineNr">871 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L872" class="LineNr">872 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;,@&quot;</span>
-<span id="L873" class="LineNr">873 </span>  <span class="PreProc">return</span> result
-<span id="L874" class="LineNr">874 </span><span class="Delimiter">}</span>
-<span id="L875" class="LineNr">875 </span>
-<span id="L876" class="LineNr">876 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L876'>open-paren-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L877" class="LineNr">877 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L878" class="LineNr">878 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L879" class="LineNr">879 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L880" class="LineNr">880 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
+<span id="L863" class="LineNr">863 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L864" class="LineNr">864 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L700'>bracket-grapheme?</a> g
+<span id="L865" class="LineNr">865 </span>  <span class="PreProc">return</span> result
+<span id="L866" class="LineNr">866 </span><span class="Delimiter">}</span>
+<span id="L867" class="LineNr">867 </span>
+<span id="L868" class="LineNr">868 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L868'>quote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L869" class="LineNr">869 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L870" class="LineNr">870 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L871" class="LineNr">871 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L872" class="LineNr">872 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L873" class="LineNr">873 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;'&quot;</span>
+<span id="L874" class="LineNr">874 </span>  <span class="PreProc">return</span> result
+<span id="L875" class="LineNr">875 </span><span class="Delimiter">}</span>
+<span id="L876" class="LineNr">876 </span>
+<span id="L877" class="LineNr">877 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L877'>backquote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L878" class="LineNr">878 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L879" class="LineNr">879 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L880" class="LineNr">880 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
 <span id="L881" class="LineNr">881 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L882" class="LineNr">882 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L883" class="LineNr">883 </span>  compare g, <span class="Constant">0x28</span>/open-paren
-<span id="L884" class="LineNr">884 </span>  <span class="Delimiter">{</span>
-<span id="L885" class="LineNr">885 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L886" class="LineNr">886 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
-<span id="L887" class="LineNr">887 </span>    <span class="PreProc">return</span> result
-<span id="L888" class="LineNr">888 </span>  <span class="Delimiter">}</span>
-<span id="L889" class="LineNr">889 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L890" class="LineNr">890 </span><span class="Delimiter">}</span>
-<span id="L891" class="LineNr">891 </span>
-<span id="L892" class="LineNr">892 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L892'>close-paren-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L893" class="LineNr">893 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L894" class="LineNr">894 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L895" class="LineNr">895 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L896" class="LineNr">896 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
-<span id="L897" class="LineNr">897 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L898" class="LineNr">898 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L899" class="LineNr">899 </span>  compare g, <span class="Constant">0x29</span>/close-paren
-<span id="L900" class="LineNr">900 </span>  <span class="Delimiter">{</span>
-<span id="L901" class="LineNr">901 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L902" class="LineNr">902 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
-<span id="L903" class="LineNr">903 </span>    <span class="PreProc">return</span> result
-<span id="L904" class="LineNr">904 </span>  <span class="Delimiter">}</span>
-<span id="L905" class="LineNr">905 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L906" class="LineNr">906 </span><span class="Delimiter">}</span>
-<span id="L907" class="LineNr">907 </span>
-<span id="L908" class="LineNr">908 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L908'>dot-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L909" class="LineNr">909 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L910" class="LineNr">910 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L911" class="LineNr">911 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L912" class="LineNr">912 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
-<span id="L913" class="LineNr">913 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L914" class="LineNr">914 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L915" class="LineNr">915 </span>  compare g, <span class="Constant">0x2e</span>/dot
-<span id="L916" class="LineNr">916 </span>  <span class="Delimiter">{</span>
-<span id="L917" class="LineNr">917 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L918" class="LineNr">918 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
-<span id="L919" class="LineNr">919 </span>    <span class="PreProc">return</span> result
-<span id="L920" class="LineNr">920 </span>  <span class="Delimiter">}</span>
-<span id="L921" class="LineNr">921 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L922" class="LineNr">922 </span><span class="Delimiter">}</span>
-<span id="L923" class="LineNr">923 </span>
-<span id="L924" class="LineNr">924 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L924'>test-dot-token</a></span> <span class="Delimiter">{</span>
-<span id="L925" class="LineNr">925 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L926" class="LineNr">926 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L927" class="LineNr">927 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;.&quot;</span>
-<span id="L928" class="LineNr">928 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
-<span id="L929" class="LineNr">929 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L908'>dot-token?</a> tmp
-<span id="L930" class="LineNr">930 </span>  <a href='../502test.mu.html#L19'>check</a> result, <span class="Constant">&quot;F - test-dot-token&quot;</span>
-<span id="L931" class="LineNr">931 </span><span class="Delimiter">}</span>
-<span id="L932" class="LineNr">932 </span>
-<span id="L933" class="LineNr">933 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L933'>stream-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L934" class="LineNr">934 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L935" class="LineNr">935 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L936" class="LineNr">936 </span>  compare *in-type, <span class="Constant">3</span>/stream
-<span id="L937" class="LineNr">937 </span>  <span class="Delimiter">{</span>
-<span id="L938" class="LineNr">938 </span>    <span class="PreProc">break-if-=</span>
-<span id="L939" class="LineNr">939 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L940" class="LineNr">940 </span>  <span class="Delimiter">}</span>
-<span id="L941" class="LineNr">941 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L942" class="LineNr">942 </span><span class="Delimiter">}</span>
-<span id="L943" class="LineNr">943 </span>
-<span id="L944" class="LineNr">944 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L944'>comment-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L945" class="LineNr">945 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L946" class="LineNr">946 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
-<span id="L947" class="LineNr">947 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
-<span id="L948" class="LineNr">948 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
-<span id="L949" class="LineNr">949 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
-<span id="L950" class="LineNr">950 </span>  compare g, <span class="Constant">0x23</span>/hash
-<span id="L951" class="LineNr">951 </span>  <span class="Delimiter">{</span>
-<span id="L952" class="LineNr">952 </span>    <span class="PreProc">break-if-=</span>
-<span id="L953" class="LineNr">953 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L954" class="LineNr">954 </span>  <span class="Delimiter">}</span>
-<span id="L955" class="LineNr">955 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L956" class="LineNr">956 </span><span class="Delimiter">}</span>
+<span id="L882" class="LineNr">882 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;`&quot;</span>
+<span id="L883" class="LineNr">883 </span>  <span class="PreProc">return</span> result
+<span id="L884" class="LineNr">884 </span><span class="Delimiter">}</span>
+<span id="L885" class="LineNr">885 </span>
+<span id="L886" class="LineNr">886 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L886'>unquote-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L887" class="LineNr">887 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L888" class="LineNr">888 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L889" class="LineNr">889 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L890" class="LineNr">890 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L891" class="LineNr">891 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;,&quot;</span>
+<span id="L892" class="LineNr">892 </span>  <span class="PreProc">return</span> result
+<span id="L893" class="LineNr">893 </span><span class="Delimiter">}</span>
+<span id="L894" class="LineNr">894 </span>
+<span id="L895" class="LineNr">895 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L895'>unquote-splice-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L896" class="LineNr">896 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L897" class="LineNr">897 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L898" class="LineNr">898 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L899" class="LineNr">899 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L900" class="LineNr">900 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> in-data, <span class="Constant">&quot;,@&quot;</span>
+<span id="L901" class="LineNr">901 </span>  <span class="PreProc">return</span> result
+<span id="L902" class="LineNr">902 </span><span class="Delimiter">}</span>
+<span id="L903" class="LineNr">903 </span>
+<span id="L904" class="LineNr">904 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L904'>open-paren-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L905" class="LineNr">905 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L906" class="LineNr">906 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L907" class="LineNr">907 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L908" class="LineNr">908 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
+<span id="L909" class="LineNr">909 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L910" class="LineNr">910 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L911" class="LineNr">911 </span>  compare g, <span class="Constant">0x28</span>/open-paren
+<span id="L912" class="LineNr">912 </span>  <span class="Delimiter">{</span>
+<span id="L913" class="LineNr">913 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L914" class="LineNr">914 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
+<span id="L915" class="LineNr">915 </span>    <span class="PreProc">return</span> result
+<span id="L916" class="LineNr">916 </span>  <span class="Delimiter">}</span>
+<span id="L917" class="LineNr">917 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L918" class="LineNr">918 </span><span class="Delimiter">}</span>
+<span id="L919" class="LineNr">919 </span>
+<span id="L920" class="LineNr">920 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L920'>close-paren-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L921" class="LineNr">921 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L922" class="LineNr">922 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L923" class="LineNr">923 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L924" class="LineNr">924 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
+<span id="L925" class="LineNr">925 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L926" class="LineNr">926 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L927" class="LineNr">927 </span>  compare g, <span class="Constant">0x29</span>/close-paren
+<span id="L928" class="LineNr">928 </span>  <span class="Delimiter">{</span>
+<span id="L929" class="LineNr">929 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L930" class="LineNr">930 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
+<span id="L931" class="LineNr">931 </span>    <span class="PreProc">return</span> result
+<span id="L932" class="LineNr">932 </span>  <span class="Delimiter">}</span>
+<span id="L933" class="LineNr">933 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L934" class="LineNr">934 </span><span class="Delimiter">}</span>
+<span id="L935" class="LineNr">935 </span>
+<span id="L936" class="LineNr">936 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L936'>dot-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L937" class="LineNr">937 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L938" class="LineNr">938 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L939" class="LineNr">939 </span>  <span class="PreProc">var</span> _in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L940" class="LineNr">940 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _in-data
+<span id="L941" class="LineNr">941 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L942" class="LineNr">942 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L943" class="LineNr">943 </span>  compare g, <span class="Constant">0x2e</span>/dot
+<span id="L944" class="LineNr">944 </span>  <span class="Delimiter">{</span>
+<span id="L945" class="LineNr">945 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L946" class="LineNr">946 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in-data
+<span id="L947" class="LineNr">947 </span>    <span class="PreProc">return</span> result
+<span id="L948" class="LineNr">948 </span>  <span class="Delimiter">}</span>
+<span id="L949" class="LineNr">949 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L950" class="LineNr">950 </span><span class="Delimiter">}</span>
+<span id="L951" class="LineNr">951 </span>
+<span id="L952" class="LineNr">952 </span><span class="PreProc">fn</span> <span class="muTest"><a href='tokenize.mu.html#L952'>test-dot-token</a></span> <span class="Delimiter">{</span>
+<span id="L953" class="LineNr">953 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L954" class="LineNr">954 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
+<span id="L955" class="LineNr">955 </span>  <a href='cell.mu.html#L39'>new-symbol</a> tmp-ah, <span class="Constant">&quot;.&quot;</span>
+<span id="L956" class="LineNr">956 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *tmp-ah
+<span id="L957" class="LineNr">957 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L936'>dot-token?</a> tmp
+<span id="L958" class="LineNr">958 </span>  <a href='../502test.mu.html#L19'>check</a> result, <span class="Constant">&quot;F - test-dot-token&quot;</span>
+<span id="L959" class="LineNr">959 </span><span class="Delimiter">}</span>
+<span id="L960" class="LineNr">960 </span>
+<span id="L961" class="LineNr">961 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L961'>stream-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L962" class="LineNr">962 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L963" class="LineNr">963 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
+<span id="L964" class="LineNr">964 </span>  compare *in-type, <span class="Constant">3</span>/stream
+<span id="L965" class="LineNr">965 </span>  <span class="Delimiter">{</span>
+<span id="L966" class="LineNr">966 </span>    <span class="PreProc">break-if-=</span>
+<span id="L967" class="LineNr">967 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L968" class="LineNr">968 </span>  <span class="Delimiter">}</span>
+<span id="L969" class="LineNr">969 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L970" class="LineNr">970 </span><span class="Delimiter">}</span>
+<span id="L971" class="LineNr">971 </span>
+<span id="L972" class="LineNr">972 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='tokenize.mu.html#L972'>comment-token?</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L973" class="LineNr">973 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
+<span id="L974" class="LineNr">974 </span>  <span class="PreProc">var</span> in-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get in, text-data
+<span id="L975" class="LineNr">975 </span>  <span class="PreProc">var</span> in-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-data-ah
+<span id="L976" class="LineNr">976 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> in-data
+<span id="L977" class="LineNr">977 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> in-data
+<span id="L978" class="LineNr">978 </span>  compare g, <span class="Constant">0x23</span>/hash
+<span id="L979" class="LineNr">979 </span>  <span class="Delimiter">{</span>
+<span id="L980" class="LineNr">980 </span>    <span class="PreProc">break-if-=</span>
+<span id="L981" class="LineNr">981 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L982" class="LineNr">982 </span>  <span class="Delimiter">}</span>
+<span id="L983" class="LineNr">983 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L984" class="LineNr">984 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/shell/trace.mu.html b/html/shell/trace.mu.html
index ebab0591..e1bfe1c0 100644
--- a/html/shell/trace.mu.html
+++ b/html/shell/trace.mu.html
@@ -58,1649 +58,2087 @@ if ('onhashchange' in window) {
 <a href='https://github.com/akkartik/mu/blob/main/shell/trace.mu'>https://github.com/akkartik/mu/blob/main/shell/trace.mu</a>
 <pre id='vimCodeElement'>
 <span id="L1" class="LineNr">   1 </span><span class="muComment"># A trace records the evolution of a computation.</span>
-<span id="L2" class="LineNr">   2 </span><span class="muComment"># An integral part of the Mu Shell is facilities for browsing traces.</span>
-<span id="L3" class="LineNr">   3 </span>
-<span id="L4" class="LineNr">   4 </span><span class="PreProc">type</span> trace <span class="Delimiter">{</span>
-<span id="L5" class="LineNr">   5 </span>  curr-depth: int  <span class="muComment"># depth that will be assigned to next line appended</span>
-<span id="L6" class="LineNr">   6 </span>  data: (handle array <a href='trace.mu.html#L26'>trace-line</a>)
-<span id="L7" class="LineNr">   7 </span>  first-free: int
-<span id="L8" class="LineNr">   8 </span>  first-full: int  <span class="muComment"># used only by check-trace-scan</span>
-<span id="L9" class="LineNr">   9 </span>
-<span id="L10" class="LineNr">  10 </span>  <span class="muComment"># steady-state life cycle of a trace:</span>
-<span id="L11" class="LineNr">  11 </span>  <span class="muComment">#   reload loop:</span>
-<span id="L12" class="LineNr">  12 </span>  <span class="muComment">#     there are already some visible lines</span>
-<span id="L13" class="LineNr">  13 </span>  <span class="muComment">#     append a bunch of new trace lines to the trace</span>
-<span id="L14" class="LineNr">  14 </span>  <span class="muComment">#     render loop:</span>
-<span id="L15" class="LineNr">  15 </span>  <span class="muComment">#       rendering displays trace lines that match visible lines</span>
-<span id="L16" class="LineNr">  16 </span>  <span class="muComment">#       rendering computes cursor-line based on the cursor-y coordinate</span>
-<span id="L17" class="LineNr">  17 </span>  <span class="muComment">#       edit-trace updates cursor-y coordinate</span>
-<span id="L18" class="LineNr">  18 </span>  <span class="muComment">#       edit-trace might add/remove lines to visible</span>
-<span id="L19" class="LineNr">  19 </span>  visible: (handle array <a href='trace.mu.html#L26'>trace-line</a>)
-<span id="L20" class="LineNr">  20 </span>  recompute-visible?: boolean
-<span id="L21" class="LineNr">  21 </span>  top-line-index: int  <span class="muComment"># index into data</span>
-<span id="L22" class="LineNr">  22 </span>  cursor-y: int  <span class="muComment"># row index on screen</span>
-<span id="L23" class="LineNr">  23 </span>  cursor-line-index: int  <span class="muComment"># index into data</span>
-<span id="L24" class="LineNr">  24 </span><span class="Delimiter">}</span>
-<span id="L25" class="LineNr">  25 </span>
-<span id="L26" class="LineNr">  26 </span><span class="PreProc">type</span> <a href='trace.mu.html#L26'>trace-line</a> <span class="Delimiter">{</span>
-<span id="L27" class="LineNr">  27 </span>  depth: int
-<span id="L28" class="LineNr">  28 </span>  label: (handle array byte)
-<span id="L29" class="LineNr">  29 </span>  data: (handle array byte)
-<span id="L30" class="LineNr">  30 </span>  visible?: boolean
-<span id="L31" class="LineNr">  31 </span><span class="Delimiter">}</span>
-<span id="L32" class="LineNr">  32 </span>
-<span id="L33" class="LineNr">  33 </span><span class="muComment">## generating traces</span>
-<span id="L34" class="LineNr">  34 </span>
-<span id="L35" class="LineNr">  35 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L35'>initialize-trace</a></span> _self: (addr trace), capacity: int, visible-capacity: int <span class="Delimiter">{</span>
-<span id="L36" class="LineNr">  36 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L37" class="LineNr">  37 </span>  compare self, <span class="Constant">0</span>
-<span id="L38" class="LineNr">  38 </span>  <span class="PreProc">break-if-=</span>
-<span id="L39" class="LineNr">  39 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L40" class="LineNr">  40 </span>  populate trace-ah, capacity
-<span id="L41" class="LineNr">  41 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
-<span id="L42" class="LineNr">  42 </span>  populate visible-ah, visible-capacity
-<span id="L43" class="LineNr">  43 </span><span class="Delimiter">}</span>
-<span id="L44" class="LineNr">  44 </span>
-<span id="L45" class="LineNr">  45 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L45'>clear-trace</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L46" class="LineNr">  46 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L47" class="LineNr">  47 </span>  compare self, <span class="Constant">0</span>
-<span id="L48" class="LineNr">  48 </span>  <span class="PreProc">break-if-=</span>
-<span id="L49" class="LineNr">  49 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L50" class="LineNr">  50 </span>  copy-to *len, <span class="Constant">0</span>
-<span id="L51" class="LineNr">  51 </span>  <span class="muComment"># might leak memory; existing elements won't be used anymore</span>
-<span id="L52" class="LineNr">  52 </span><span class="Delimiter">}</span>
-<span id="L53" class="LineNr">  53 </span>
-<span id="L54" class="LineNr">  54 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L54'>has-errors?</a></span> _self: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L55" class="LineNr">  55 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L56" class="LineNr">  56 </span>  <span class="Delimiter">{</span>
-<span id="L57" class="LineNr">  57 </span>    compare self, <span class="Constant">0</span>
-<span id="L58" class="LineNr">  58 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L59" class="LineNr">  59 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L60" class="LineNr">  60 </span>  <span class="Delimiter">}</span>
-<span id="L61" class="LineNr">  61 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L62" class="LineNr">  62 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L63" class="LineNr">  63 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L64" class="LineNr">  64 </span>  <span class="PreProc">var</span> trace/<span class="Constant">esi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L65" class="LineNr">  65 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L66" class="LineNr">  66 </span>  <span class="Delimiter">{</span>
-<span id="L67" class="LineNr">  67 </span>    compare i, *max
-<span id="L68" class="LineNr">  68 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L69" class="LineNr">  69 </span>    <span class="PreProc">var</span> offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L70" class="LineNr">  70 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
-<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
-<span id="L72" class="LineNr">  72 </span>    <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
-<span id="L73" class="LineNr">  73 </span>    <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, <span class="Constant">&quot;error&quot;</span>
-<span id="L74" class="LineNr">  74 </span>    compare error?, <span class="Constant">0</span>/false
-<span id="L75" class="LineNr">  75 </span>    <span class="Delimiter">{</span>
-<span id="L76" class="LineNr">  76 </span>      <span class="PreProc">break-if-=</span>
-<span id="L77" class="LineNr">  77 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L78" class="LineNr">  78 </span>    <span class="Delimiter">}</span>
-<span id="L79" class="LineNr">  79 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L80" class="LineNr">  80 </span>    <span class="PreProc">loop</span>
-<span id="L81" class="LineNr">  81 </span>  <span class="Delimiter">}</span>
-<span id="L82" class="LineNr">  82 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L83" class="LineNr">  83 </span><span class="Delimiter">}</span>
-<span id="L84" class="LineNr">  84 </span>
-<span id="L85" class="LineNr">  85 </span><span class="PreProc">fn</span> <span class="muFunction">trace</span> _self: (addr trace), label: (addr array byte), message: (addr stream byte) <span class="Delimiter">{</span>
-<span id="L86" class="LineNr">  86 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L87" class="LineNr">  87 </span>  compare self, <span class="Constant">0</span>
-<span id="L88" class="LineNr">  88 </span>  <span class="PreProc">break-if-=</span>
-<span id="L89" class="LineNr">  89 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L90" class="LineNr">  90 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L91" class="LineNr">  91 </span>  <span class="PreProc">var</span> index-addr/<span class="Constant">edi</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L92" class="LineNr">  92 </span>  <span class="Delimiter">{</span>
-<span id="L93" class="LineNr">  93 </span>    compare *index-addr, <span class="Constant">0x8000</span>/lines
-<span id="L94" class="LineNr">  94 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L95" class="LineNr">  95 </span>    <span class="PreProc">return</span>
-<span id="L96" class="LineNr">  96 </span>  <span class="Delimiter">}</span>
-<span id="L97" class="LineNr">  97 </span>  <span class="PreProc">var</span> index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *index-addr
-<span id="L98" class="LineNr">  98 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset data, index
-<span id="L99" class="LineNr">  99 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index data, offset
-<span id="L100" class="LineNr"> 100 </span>  <span class="PreProc">var</span> depth/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
-<span id="L101" class="LineNr"> 101 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> message
-<span id="L102" class="LineNr"> 102 </span>  <span class="Delimiter">{</span>
-<span id="L103" class="LineNr"> 103 </span>    compare *index-addr, <span class="Constant">0x7fff</span>/lines
-<span id="L104" class="LineNr"> 104 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L105" class="LineNr"> 105 </span>    <a href='../106stream.subx.html#L20'>clear-stream</a> message
-<span id="L106" class="LineNr"> 106 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;No space left in trace\n&quot;</span>
-<span id="L107" class="LineNr"> 107 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;Please either:\n&quot;</span>
-<span id="L108" class="LineNr"> 108 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - find a smaller sub-computation to test,\n&quot;</span>
-<span id="L109" class="LineNr"> 109 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - <a href='../120allocate.subx.html#L43'>allocate</a> more space to the trace in initialize-sandbox\n&quot;</span>
-<span id="L110" class="LineNr"> 110 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;    (shell/sandbox.mu), or\n&quot;</span>
-<span id="L111" class="LineNr"> 111 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - move the computation to 'main' and <a href='sandbox.mu.html#L600'>run</a> it using ctrl-s&quot;</span>
-<span id="L112" class="LineNr"> 112 </span>    <a href='trace.mu.html#L133'>initialize-trace-line</a> <span class="Constant">0</span>/depth, <span class="Constant">&quot;error&quot;</span>, message, dest
-<span id="L113" class="LineNr"> 113 </span>    increment *index-addr
-<span id="L114" class="LineNr"> 114 </span>    <span class="PreProc">return</span>
-<span id="L115" class="LineNr"> 115 </span>  <span class="Delimiter">}</span>
-<span id="L116" class="LineNr"> 116 </span>  <a href='trace.mu.html#L133'>initialize-trace-line</a> *depth, label, message, dest
-<span id="L117" class="LineNr"> 117 </span>  increment *index-addr
-<span id="L118" class="LineNr"> 118 </span><span class="Delimiter">}</span>
-<span id="L119" class="LineNr"> 119 </span>
-<span id="L120" class="LineNr"> 120 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L120'>trace-text</a></span> self: (addr trace), label: (addr array byte), s: (addr array byte) <span class="Delimiter">{</span>
-<span id="L121" class="LineNr"> 121 </span>  compare self, <span class="Constant">0</span>
-<span id="L122" class="LineNr"> 122 </span>  <span class="PreProc">break-if-=</span>
-<span id="L123" class="LineNr"> 123 </span>  <span class="PreProc">var</span> data-storage: (stream byte <span class="Constant">0x100</span>)
-<span id="L124" class="LineNr"> 124 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> address data-storage
-<span id="L125" class="LineNr"> 125 </span>  <a href='../108write.subx.html#L11'>write</a> data, s
-<span id="L126" class="LineNr"> 126 </span>  trace self, label, data
-<span id="L127" class="LineNr"> 127 </span><span class="Delimiter">}</span>
-<span id="L128" class="LineNr"> 128 </span>
-<span id="L129" class="LineNr"> 129 </span><span class="PreProc">fn</span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> self: (addr trace), message: (addr array byte) <span class="Delimiter">{</span>
-<span id="L130" class="LineNr"> 130 </span>  <a href='trace.mu.html#L120'>trace-text</a> self, <span class="Constant">&quot;error&quot;</span>, message
-<span id="L131" class="LineNr"> 131 </span><span class="Delimiter">}</span>
-<span id="L132" class="LineNr"> 132 </span>
-<span id="L133" class="LineNr"> 133 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L133'>initialize-trace-line</a></span> depth: int, label: (addr array byte), data: (addr stream byte), _out: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Delimiter">{</span>
-<span id="L134" class="LineNr"> 134 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _out
-<span id="L135" class="LineNr"> 135 </span>  <span class="muComment"># depth</span>
-<span id="L136" class="LineNr"> 136 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy depth
-<span id="L137" class="LineNr"> 137 </span>  <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get out, depth
-<span id="L138" class="LineNr"> 138 </span>  copy-to *dest, src
-<span id="L139" class="LineNr"> 139 </span>  <span class="muComment"># label</span>
-<span id="L140" class="LineNr"> 140 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get out, label
-<span id="L141" class="LineNr"> 141 </span>  <a href='../312copy.subx.html#L3'>copy-array-object</a> label, dest
-<span id="L142" class="LineNr"> 142 </span>  <span class="muComment"># data</span>
-<span id="L143" class="LineNr"> 143 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get out, data
-<span id="L144" class="LineNr"> 144 </span>  <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> data, dest
-<span id="L145" class="LineNr"> 145 </span><span class="Delimiter">}</span>
-<span id="L146" class="LineNr"> 146 </span>
-<span id="L147" class="LineNr"> 147 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L147'>trace-lower</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L148" class="LineNr"> 148 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L149" class="LineNr"> 149 </span>  compare self, <span class="Constant">0</span>
-<span id="L150" class="LineNr"> 150 </span>  <span class="PreProc">break-if-=</span>
-<span id="L151" class="LineNr"> 151 </span>  <span class="PreProc">var</span> depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
-<span id="L152" class="LineNr"> 152 </span>  increment *depth
-<span id="L153" class="LineNr"> 153 </span><span class="Delimiter">}</span>
-<span id="L154" class="LineNr"> 154 </span>
-<span id="L155" class="LineNr"> 155 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L155'>trace-higher</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L156" class="LineNr"> 156 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L157" class="LineNr"> 157 </span>  compare self, <span class="Constant">0</span>
-<span id="L158" class="LineNr"> 158 </span>  <span class="PreProc">break-if-=</span>
-<span id="L159" class="LineNr"> 159 </span>  <span class="PreProc">var</span> depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
-<span id="L160" class="LineNr"> 160 </span>  decrement *depth
-<span id="L161" class="LineNr"> 161 </span><span class="Delimiter">}</span>
-<span id="L162" class="LineNr"> 162 </span>
-<span id="L163" class="LineNr"> 163 </span><span class="muComment">## checking traces</span>
-<span id="L164" class="LineNr"> 164 </span>
-<span id="L165" class="LineNr"> 165 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L165'>check-trace-scans-to</a></span> self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) <span class="Delimiter">{</span>
-<span id="L166" class="LineNr"> 166 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L170'>trace-scans-to?</a> self, label, data
-<span id="L167" class="LineNr"> 167 </span>  <a href='../502test.mu.html#L19'>check</a> tmp, message
-<span id="L168" class="LineNr"> 168 </span><span class="Delimiter">}</span>
-<span id="L169" class="LineNr"> 169 </span>
-<span id="L170" class="LineNr"> 170 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L170'>trace-scans-to?</a></span> _self: (addr trace), label: (addr array byte), data: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L171" class="LineNr"> 171 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L172" class="LineNr"> 172 </span>  <span class="PreProc">var</span> start/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, first-full
-<span id="L173" class="LineNr"> 173 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L215'>trace-contains?</a> self, label, data, *start
-<span id="L174" class="LineNr"> 174 </span>  <span class="PreProc">return</span> result
-<span id="L175" class="LineNr"> 175 </span><span class="Delimiter">}</span>
-<span id="L176" class="LineNr"> 176 </span>
-<span id="L177" class="LineNr"> 177 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L177'>test-trace-scans-to</a></span> <span class="Delimiter">{</span>
-<span id="L178" class="LineNr"> 178 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L179" class="LineNr"> 179 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L180" class="LineNr"> 180 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L181" class="LineNr"> 181 </span>  <span class="muComment">#</span>
-<span id="L182" class="LineNr"> 182 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L183" class="LineNr"> 183 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L184" class="LineNr"> 184 </span>  <a href='trace.mu.html#L165'>check-trace-scans-to</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L177'>test-trace-scans-to</a>/0&quot;</span>
-<span id="L185" class="LineNr"> 185 </span>  <a href='trace.mu.html#L165'>check-trace-scans-to</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L177'>test-trace-scans-to</a>/1&quot;</span>
-<span id="L186" class="LineNr"> 186 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L170'>trace-scans-to?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L187" class="LineNr"> 187 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L177'>test-trace-scans-to</a>: fail on previously encountered lines&quot;</span>
-<span id="L188" class="LineNr"> 188 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L170'>trace-scans-to?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L189" class="LineNr"> 189 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L177'>test-trace-scans-to</a>: fail on missing&quot;</span>
-<span id="L190" class="LineNr"> 190 </span><span class="Delimiter">}</span>
-<span id="L191" class="LineNr"> 191 </span>
-<span id="L192" class="LineNr"> 192 </span><span class="muComment"># scan trace from start</span>
-<span id="L193" class="LineNr"> 193 </span><span class="muComment"># resets previous scans</span>
-<span id="L194" class="LineNr"> 194 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L194'>check-trace-contains</a></span> self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) <span class="Delimiter">{</span>
-<span id="L195" class="LineNr"> 195 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L215'>trace-contains?</a> self, label, data, <span class="Constant">0</span>
-<span id="L196" class="LineNr"> 196 </span>  <a href='../502test.mu.html#L19'>check</a> tmp, message
-<span id="L197" class="LineNr"> 197 </span><span class="Delimiter">}</span>
-<span id="L198" class="LineNr"> 198 </span>
-<span id="L199" class="LineNr"> 199 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L199'>test-trace-contains</a></span> <span class="Delimiter">{</span>
-<span id="L200" class="LineNr"> 200 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L201" class="LineNr"> 201 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L202" class="LineNr"> 202 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L203" class="LineNr"> 203 </span>  <span class="muComment">#</span>
-<span id="L204" class="LineNr"> 204 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L205" class="LineNr"> 205 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L206" class="LineNr"> 206 </span>  <a href='trace.mu.html#L194'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L199'>test-trace-contains</a>/0&quot;</span>
-<span id="L207" class="LineNr"> 207 </span>  <a href='trace.mu.html#L194'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L199'>test-trace-contains</a>/1&quot;</span>
-<span id="L208" class="LineNr"> 208 </span>  <a href='trace.mu.html#L194'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L199'>test-trace-contains</a>: find previously encountered lines&quot;</span>
-<span id="L209" class="LineNr"> 209 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L215'>trace-contains?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>, <span class="Constant">0</span>/start
-<span id="L210" class="LineNr"> 210 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L199'>test-trace-contains</a>: fail on missing&quot;</span>
-<span id="L211" class="LineNr"> 211 </span><span class="Delimiter">}</span>
-<span id="L212" class="LineNr"> 212 </span>
-<span id="L213" class="LineNr"> 213 </span><span class="muComment"># this is super-inefficient, string comparing every trace line</span>
-<span id="L214" class="LineNr"> 214 </span><span class="muComment"># against every visible line on every render</span>
-<span id="L215" class="LineNr"> 215 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L215'>trace-contains?</a></span> _self: (addr trace), label: (addr array byte), data: (addr array byte), start: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L216" class="LineNr"> 216 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L217" class="LineNr"> 217 </span>  <span class="PreProc">var</span> candidates-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L218" class="LineNr"> 218 </span>  <span class="PreProc">var</span> candidates/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *candidates-ah
-<span id="L219" class="LineNr"> 219 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy start
-<span id="L220" class="LineNr"> 220 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L221" class="LineNr"> 221 </span>  <span class="Delimiter">{</span>
-<span id="L222" class="LineNr"> 222 </span>    compare i, *max
-<span id="L223" class="LineNr"> 223 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L224" class="LineNr"> 224 </span>    <span class="Delimiter">{</span>
-<span id="L225" class="LineNr"> 225 </span>      <span class="PreProc">var</span> read-until-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, first-full
-<span id="L226" class="LineNr"> 226 </span>      copy-to *read-until-index, i
-<span id="L227" class="LineNr"> 227 </span>    <span class="Delimiter">}</span>
-<span id="L228" class="LineNr"> 228 </span>    <span class="Delimiter">{</span>
-<span id="L229" class="LineNr"> 229 </span>      <span class="PreProc">var</span> curr-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset candidates, i
-<span id="L230" class="LineNr"> 230 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index candidates, curr-offset
-<span id="L231" class="LineNr"> 231 </span>      <span class="muComment"># if curr-&gt;label does not match, return false</span>
-<span id="L232" class="LineNr"> 232 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
-<span id="L233" class="LineNr"> 233 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
-<span id="L234" class="LineNr"> 234 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, label
-<span id="L235" class="LineNr"> 235 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L236" class="LineNr"> 236 </span>      <span class="PreProc">break-if-=</span>
-<span id="L237" class="LineNr"> 237 </span>      <span class="muComment"># if curr-&gt;data does not match, return false</span>
-<span id="L238" class="LineNr"> 238 </span>      <span class="PreProc">var</span> curr-data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, data
-<span id="L239" class="LineNr"> 239 </span>      <span class="PreProc">var</span> curr-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-data-ah
-<span id="L240" class="LineNr"> 240 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-data, data
-<span id="L241" class="LineNr"> 241 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L242" class="LineNr"> 242 </span>      <span class="PreProc">break-if-=</span>
-<span id="L243" class="LineNr"> 243 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L244" class="LineNr"> 244 </span>    <span class="Delimiter">}</span>
-<span id="L245" class="LineNr"> 245 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L246" class="LineNr"> 246 </span>    <span class="PreProc">loop</span>
-<span id="L247" class="LineNr"> 247 </span>  <span class="Delimiter">}</span>
-<span id="L248" class="LineNr"> 248 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L249" class="LineNr"> 249 </span><span class="Delimiter">}</span>
-<span id="L250" class="LineNr"> 250 </span>
-<span id="L251" class="LineNr"> 251 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L251'>trace-lines-equal?</a></span> _a: (addr <a href='trace.mu.html#L26'>trace-line</a>), _b: (addr <a href='trace.mu.html#L26'>trace-line</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L252" class="LineNr"> 252 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _a
-<span id="L253" class="LineNr"> 253 </span>  <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _b
-<span id="L254" class="LineNr"> 254 </span>  <span class="PreProc">var</span> a-depth/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get a, depth
-<span id="L255" class="LineNr"> 255 </span>  <span class="PreProc">var</span> b-depth/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get b, depth
-<span id="L256" class="LineNr"> 256 </span>  <span class="PreProc">var</span> benchmark/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *b-depth
-<span id="L257" class="LineNr"> 257 </span>  compare *a-depth, benchmark
-<span id="L258" class="LineNr"> 258 </span>  <span class="Delimiter">{</span>
-<span id="L259" class="LineNr"> 259 </span>    <span class="PreProc">break-if-=</span>
-<span id="L260" class="LineNr"> 260 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L261" class="LineNr"> 261 </span>  <span class="Delimiter">}</span>
-<span id="L262" class="LineNr"> 262 </span>  <span class="PreProc">var</span> a-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get a, label
-<span id="L263" class="LineNr"> 263 </span>  <span class="PreProc">var</span> _a-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-label-ah
-<span id="L264" class="LineNr"> 264 </span>  <span class="PreProc">var</span> a-label/<span class="Constant">ecx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _a-label
-<span id="L265" class="LineNr"> 265 </span>  <span class="PreProc">var</span> b-label-ah/<span class="Constant">ebx</span>: (addr handle array byte) <span class="Special">&lt;-</span> get b, label
-<span id="L266" class="LineNr"> 266 </span>  <span class="PreProc">var</span> b-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-label-ah
-<span id="L267" class="LineNr"> 267 </span>  <span class="PreProc">var</span> label-match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> a-label, b-label
-<span id="L268" class="LineNr"> 268 </span>  <span class="Delimiter">{</span>
-<span id="L269" class="LineNr"> 269 </span>    compare label-match?, <span class="Constant">0</span>/false
-<span id="L270" class="LineNr"> 270 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L271" class="LineNr"> 271 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L272" class="LineNr"> 272 </span>  <span class="Delimiter">}</span>
-<span id="L273" class="LineNr"> 273 </span>  <span class="PreProc">var</span> a-data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get a, data
-<span id="L274" class="LineNr"> 274 </span>  <span class="PreProc">var</span> _a-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-data-ah
-<span id="L275" class="LineNr"> 275 </span>  <span class="PreProc">var</span> a-data/<span class="Constant">ecx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _a-data
-<span id="L276" class="LineNr"> 276 </span>  <span class="PreProc">var</span> b-data-ah/<span class="Constant">ebx</span>: (addr handle array byte) <span class="Special">&lt;-</span> get b, data
-<span id="L277" class="LineNr"> 277 </span>  <span class="PreProc">var</span> b-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-data-ah
-<span id="L278" class="LineNr"> 278 </span>  <span class="PreProc">var</span> data-match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> a-data, b-data
-<span id="L279" class="LineNr"> 279 </span>  <span class="PreProc">return</span> data-match?
-<span id="L280" class="LineNr"> 280 </span><span class="Delimiter">}</span>
-<span id="L281" class="LineNr"> 281 </span>
-<span id="L282" class="LineNr"> 282 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L282'>dump-trace</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L283" class="LineNr"> 283 </span>  <span class="PreProc">var</span> already-hiding-lines?: boolean
-<span id="L284" class="LineNr"> 284 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L285" class="LineNr"> 285 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L286" class="LineNr"> 286 </span>  compare self, <span class="Constant">0</span>
-<span id="L287" class="LineNr"> 287 </span>  <span class="Delimiter">{</span>
-<span id="L288" class="LineNr"> 288 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L289" class="LineNr"> 289 </span>    <span class="PreProc">return</span>
-<span id="L290" class="LineNr"> 290 </span>  <span class="Delimiter">}</span>
-<span id="L291" class="LineNr"> 291 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L292" class="LineNr"> 292 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L293" class="LineNr"> 293 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L294" class="LineNr"> 294 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L295" class="LineNr"> 295 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L296" class="LineNr"> 296 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
-<span id="L297" class="LineNr"> 297 </span>  $dump-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L298" class="LineNr"> 298 </span>    compare i, max
-<span id="L299" class="LineNr"> 299 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L300" class="LineNr"> 300 </span>    $dump-trace:iter: <span class="Delimiter">{</span>
-<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
-<span id="L303" class="LineNr"> 303 </span>      y <span class="Special">&lt;-</span> <a href='trace.mu.html#L429'>render-trace-line</a> <span class="Constant">0</span>/screen, curr, <span class="Constant">0</span>, y, <span class="Constant">0x80</span>/width, <span class="Constant">0x30</span>/height, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L304" class="LineNr"> 304 </span>    <span class="Delimiter">}</span>
-<span id="L305" class="LineNr"> 305 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L306" class="LineNr"> 306 </span>    <span class="PreProc">loop</span>
-<span id="L307" class="LineNr"> 307 </span>  <span class="Delimiter">}</span>
-<span id="L308" class="LineNr"> 308 </span><span class="Delimiter">}</span>
-<span id="L309" class="LineNr"> 309 </span>
-<span id="L310" class="LineNr"> 310 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L310'>dump-trace-with-label</a></span> _self: (addr trace), label: (addr array byte) <span class="Delimiter">{</span>
-<span id="L311" class="LineNr"> 311 </span>  <span class="PreProc">var</span> already-hiding-lines?: boolean
-<span id="L312" class="LineNr"> 312 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L313" class="LineNr"> 313 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L314" class="LineNr"> 314 </span>  compare self, <span class="Constant">0</span>
-<span id="L315" class="LineNr"> 315 </span>  <span class="Delimiter">{</span>
-<span id="L316" class="LineNr"> 316 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L317" class="LineNr"> 317 </span>    <span class="PreProc">return</span>
-<span id="L318" class="LineNr"> 318 </span>  <span class="Delimiter">}</span>
-<span id="L319" class="LineNr"> 319 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L320" class="LineNr"> 320 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L321" class="LineNr"> 321 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L322" class="LineNr"> 322 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L323" class="LineNr"> 323 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L324" class="LineNr"> 324 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
-<span id="L325" class="LineNr"> 325 </span>  $dump-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L326" class="LineNr"> 326 </span>    compare i, max
-<span id="L327" class="LineNr"> 327 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L328" class="LineNr"> 328 </span>    $dump-trace:iter: <span class="Delimiter">{</span>
-<span id="L329" class="LineNr"> 329 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
-<span id="L331" class="LineNr"> 331 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
-<span id="L332" class="LineNr"> 332 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
-<span id="L333" class="LineNr"> 333 </span>      <span class="PreProc">var</span> show?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, label
-<span id="L334" class="LineNr"> 334 </span>      compare show?, <span class="Constant">0</span>/false
-<span id="L335" class="LineNr"> 335 </span>      <span class="PreProc">break-if-=</span>
-<span id="L336" class="LineNr"> 336 </span>      y <span class="Special">&lt;-</span> <a href='trace.mu.html#L429'>render-trace-line</a> <span class="Constant">0</span>/screen, curr, <span class="Constant">0</span>, y, <span class="Constant">0x80</span>/width, <span class="Constant">0x30</span>/height, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
-<span id="L337" class="LineNr"> 337 </span>    <span class="Delimiter">}</span>
-<span id="L338" class="LineNr"> 338 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">loop</span>
-<span id="L340" class="LineNr"> 340 </span>  <span class="Delimiter">}</span>
-<span id="L341" class="LineNr"> 341 </span><span class="Delimiter">}</span>
-<span id="L342" class="LineNr"> 342 </span>
-<span id="L343" class="LineNr"> 343 </span><span class="muComment">## UI stuff</span>
-<span id="L344" class="LineNr"> 344 </span>
-<span id="L345" class="LineNr"> 345 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L345'>mark-lines-dirty</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L346" class="LineNr"> 346 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L347" class="LineNr"> 347 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recompute-visible?
-<span id="L348" class="LineNr"> 348 </span>  copy-to *dest, <span class="Constant">1</span>/true
-<span id="L349" class="LineNr"> 349 </span><span class="Delimiter">}</span>
-<span id="L350" class="LineNr"> 350 </span>
-<span id="L351" class="LineNr"> 351 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L351'>mark-lines-clean</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L352" class="LineNr"> 352 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L353" class="LineNr"> 353 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recompute-visible?
-<span id="L354" class="LineNr"> 354 </span>  copy-to *dest, <span class="Constant">0</span>/false
-<span id="L355" class="LineNr"> 355 </span><span class="Delimiter">}</span>
-<span id="L356" class="LineNr"> 356 </span>
-<span id="L357" class="LineNr"> 357 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L357'>render-trace</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr trace), xmin: int, ymin: int, xmax: int, ymax: int, show-cursor?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L358" class="LineNr"> 358 </span>  <span class="PreProc">var</span> already-hiding-lines?: boolean
-<span id="L359" class="LineNr"> 359 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L360" class="LineNr"> 360 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L361" class="LineNr"> 361 </span>  compare self, <span class="Constant">0</span>
-<span id="L362" class="LineNr"> 362 </span>  <span class="Delimiter">{</span>
-<span id="L363" class="LineNr"> 363 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L364" class="LineNr"> 364 </span>    <span class="PreProc">return</span> ymin
-<span id="L365" class="LineNr"> 365 </span>  <span class="Delimiter">}</span>
-<span id="L366" class="LineNr"> 366 </span>  <a href='trace.mu.html#L499'>clamp-cursor-to-top</a> self, y
-<span id="L367" class="LineNr"> 367 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L368" class="LineNr"> 368 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L369" class="LineNr"> 369 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L370" class="LineNr"> 370 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L371" class="LineNr"> 371 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L372" class="LineNr"> 372 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
-<span id="L373" class="LineNr"> 373 </span>  $render-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L374" class="LineNr"> 374 </span>    compare i, max
-<span id="L375" class="LineNr"> 375 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L376" class="LineNr"> 376 </span>    $render-trace:iter: <span class="Delimiter">{</span>
-<span id="L377" class="LineNr"> 377 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L378" class="LineNr"> 378 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
-<span id="L379" class="LineNr"> 379 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
-<span id="L380" class="LineNr"> 380 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
-<span id="L381" class="LineNr"> 381 </span>      <span class="PreProc">var</span> bg/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L382" class="LineNr"> 382 </span>      compare show-cursor?, <span class="Constant">0</span>/false
-<span id="L383" class="LineNr"> 383 </span>      <span class="Delimiter">{</span>
-<span id="L384" class="LineNr"> 384 </span>        <span class="PreProc">break-if-=</span>
-<span id="L385" class="LineNr"> 385 </span>        <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L386" class="LineNr"> 386 </span>        compare *cursor-y, y
-<span id="L387" class="LineNr"> 387 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L388" class="LineNr"> 388 </span>        bg <span class="Special">&lt;-</span> copy <span class="Constant">7</span>/cursor-line-bg
-<span id="L389" class="LineNr"> 389 </span>        <span class="PreProc">var</span> cursor-line-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
-<span id="L390" class="LineNr"> 390 </span>        copy-to *cursor-line-index, i
-<span id="L391" class="LineNr"> 391 </span>      <span class="Delimiter">}</span>
-<span id="L392" class="LineNr"> 392 </span>      <span class="muComment"># always display errors</span>
-<span id="L393" class="LineNr"> 393 </span>      <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, <span class="Constant">&quot;error&quot;</span>
-<span id="L394" class="LineNr"> 394 </span>      <span class="Delimiter">{</span>
-<span id="L395" class="LineNr"> 395 </span>        compare error?, <span class="Constant">0</span>/false
-<span id="L396" class="LineNr"> 396 </span>        <span class="PreProc">break-if-=</span>
-<span id="L397" class="LineNr"> 397 </span>        y <span class="Special">&lt;-</span> <a href='trace.mu.html#L429'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, curr, xmin, y, xmax, ymax, <span class="Constant">0xc</span>/fg=trace-error, bg
-<span id="L398" class="LineNr"> 398 </span>        copy-to already-hiding-lines?, <span class="Constant">0</span>/false
-<span id="L399" class="LineNr"> 399 </span>        <span class="PreProc">break</span> $render-trace:iter
-<span id="L400" class="LineNr"> 400 </span>      <span class="Delimiter">}</span>
-<span id="L401" class="LineNr"> 401 </span>      <span class="muComment"># display expanded lines</span>
-<span id="L402" class="LineNr"> 402 </span>      <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L460'>should-render?</a> self, curr
-<span id="L403" class="LineNr"> 403 </span>      <span class="Delimiter">{</span>
-<span id="L404" class="LineNr"> 404 </span>        compare display?, <span class="Constant">0</span>/false
-<span id="L405" class="LineNr"> 405 </span>        <span class="PreProc">break-if-=</span>
-<span id="L406" class="LineNr"> 406 </span>        y <span class="Special">&lt;-</span> <a href='trace.mu.html#L429'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, curr, xmin, y, xmax, ymax, <span class="Constant">0x38</span>/fg=trace, bg
-<span id="L407" class="LineNr"> 407 </span>        copy-to already-hiding-lines?, <span class="Constant">0</span>/false
-<span id="L408" class="LineNr"> 408 </span>        <span class="PreProc">break</span> $render-trace:iter
-<span id="L409" class="LineNr"> 409 </span>      <span class="Delimiter">}</span>
-<span id="L410" class="LineNr"> 410 </span>      <span class="muComment"># ignore the rest</span>
-<span id="L411" class="LineNr"> 411 </span>      compare already-hiding-lines?, <span class="Constant">0</span>/false
-<span id="L412" class="LineNr"> 412 </span>      <span class="Delimiter">{</span>
-<span id="L413" class="LineNr"> 413 </span>        <span class="PreProc">break-if-!=</span>
-<span id="L414" class="LineNr"> 414 </span>        <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L415" class="LineNr"> 415 </span>        x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;...&quot;</span>, xmin, ymin, xmax, ymax, x, y, <span class="Constant">9</span>/fg=trace, bg
-<span id="L416" class="LineNr"> 416 </span>        y <span class="Special">&lt;-</span> increment
-<span id="L417" class="LineNr"> 417 </span>        copy-to already-hiding-lines?, <span class="Constant">1</span>/true
-<span id="L418" class="LineNr"> 418 </span>      <span class="Delimiter">}</span>
-<span id="L419" class="LineNr"> 419 </span>    <span class="Delimiter">}</span>
-<span id="L420" class="LineNr"> 420 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L421" class="LineNr"> 421 </span>    <span class="PreProc">loop</span>
-<span id="L422" class="LineNr"> 422 </span>  <span class="Delimiter">}</span>
-<span id="L423" class="LineNr"> 423 </span>  <span class="muComment"># prevent cursor from going too far down</span>
-<span id="L424" class="LineNr"> 424 </span>  <a href='trace.mu.html#L509'>clamp-cursor-to-bottom</a> self, y, <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin, xmax, ymax
-<span id="L425" class="LineNr"> 425 </span>  <a href='trace.mu.html#L351'>mark-lines-clean</a> self
-<span id="L426" class="LineNr"> 426 </span>  <span class="PreProc">return</span> y
-<span id="L427" class="LineNr"> 427 </span><span class="Delimiter">}</span>
-<span id="L428" class="LineNr"> 428 </span>
-<span id="L429" class="LineNr"> 429 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L429'>render-trace-line</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='trace.mu.html#L26'>trace-line</a>), xmin: int, ymin: int, xmax: int, ymax: int, fg: int, bg: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L430" class="LineNr"> 430 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _self
-<span id="L431" class="LineNr"> 431 </span>  <span class="PreProc">var</span> xsave/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
-<span id="L432" class="LineNr"> 432 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
-<span id="L433" class="LineNr"> 433 </span>  <span class="PreProc">var</span> label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, label
-<span id="L434" class="LineNr"> 434 </span>  <span class="PreProc">var</span> _label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *label-ah
-<span id="L435" class="LineNr"> 435 </span>  <span class="PreProc">var</span> label/<span class="Constant">ebx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _label
-<span id="L436" class="LineNr"> 436 </span>  <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> label, <span class="Constant">&quot;error&quot;</span>
-<span id="L437" class="LineNr"> 437 </span>  compare error?, <span class="Constant">0</span>/false
-<span id="L438" class="LineNr"> 438 </span>  <span class="Delimiter">{</span>
-<span id="L439" class="LineNr"> 439 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L440" class="LineNr"> 440 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xsave
-<span id="L441" class="LineNr"> 441 </span>    <span class="Delimiter">{</span>
-<span id="L442" class="LineNr"> 442 </span>      <span class="PreProc">var</span> depth/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, depth
-<span id="L443" class="LineNr"> 443 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L319'>draw-int32-decimal-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *depth, xmin, ymin, xmax, ymax, x, y, fg, bg
-<span id="L444" class="LineNr"> 444 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &quot;</span>, xmin, ymin, xmax, ymax, x, y, fg, bg
-<span id="L445" class="LineNr"> 445 </span>      <span class="muComment"># don't show label in UI; it's just for tests</span>
-<span id="L446" class="LineNr"> 446 </span>    <span class="Delimiter">}</span>
-<span id="L447" class="LineNr"> 447 </span>    xsave <span class="Special">&lt;-</span> copy x
-<span id="L448" class="LineNr"> 448 </span>  <span class="Delimiter">}</span>
-<span id="L449" class="LineNr"> 449 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, data
-<span id="L450" class="LineNr"> 450 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
-<span id="L451" class="LineNr"> 451 </span>  <span class="PreProc">var</span> data/<span class="Constant">ebx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _data
-<span id="L452" class="LineNr"> 452 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xsave
-<span id="L453" class="LineNr"> 453 </span>  x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, xmin, ymin, xmax, ymax, x, y, fg, bg
-<span id="L454" class="LineNr"> 454 </span>  y <span class="Special">&lt;-</span> increment
-<span id="L455" class="LineNr"> 455 </span>  <span class="PreProc">return</span> y
-<span id="L456" class="LineNr"> 456 </span><span class="Delimiter">}</span>
-<span id="L457" class="LineNr"> 457 </span>
-<span id="L458" class="LineNr"> 458 </span><span class="muComment"># this is super-inefficient, string comparing every trace line</span>
-<span id="L459" class="LineNr"> 459 </span><span class="muComment"># against every visible line on every render</span>
-<span id="L460" class="LineNr"> 460 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L460'>should-render?</a></span> _self: (addr trace), _line: (addr <a href='trace.mu.html#L26'>trace-line</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L461" class="LineNr"> 461 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L462" class="LineNr"> 462 </span>  <span class="muComment"># if visible? is already cached, just return it</span>
-<span id="L463" class="LineNr"> 463 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recompute-visible?
-<span id="L464" class="LineNr"> 464 </span>  compare *dest, <span class="Constant">0</span>/false
-<span id="L465" class="LineNr"> 465 </span>  <span class="Delimiter">{</span>
-<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L467" class="LineNr"> 467 </span>    <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
-<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
-<span id="L469" class="LineNr"> 469 </span>    <span class="PreProc">return</span> *result
-<span id="L470" class="LineNr"> 470 </span>  <span class="Delimiter">}</span>
-<span id="L471" class="LineNr"> 471 </span>  <span class="muComment"># recompute</span>
-<span id="L472" class="LineNr"> 472 </span>  <span class="PreProc">var</span> candidates-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
-<span id="L473" class="LineNr"> 473 </span>  <span class="PreProc">var</span> candidates/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *candidates-ah
-<span id="L474" class="LineNr"> 474 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L475" class="LineNr"> 475 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length candidates
-<span id="L476" class="LineNr"> 476 </span>  <span class="Delimiter">{</span>
-<span id="L477" class="LineNr"> 477 </span>    compare i, len
-<span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L479" class="LineNr"> 479 </span>    <span class="Delimiter">{</span>
-<span id="L480" class="LineNr"> 480 </span>      <span class="PreProc">var</span> curr-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset candidates, i
-<span id="L481" class="LineNr"> 481 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index candidates, curr-offset
-<span id="L482" class="LineNr"> 482 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L251'>trace-lines-equal?</a> curr, _line
-<span id="L483" class="LineNr"> 483 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L484" class="LineNr"> 484 </span>      <span class="PreProc">break-if-=</span>
-<span id="L485" class="LineNr"> 485 </span>      <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
-<span id="L486" class="LineNr"> 486 </span>      <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
-<span id="L487" class="LineNr"> 487 </span>      copy-to *dest, <span class="Constant">1</span>/true
-<span id="L488" class="LineNr"> 488 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L489" class="LineNr"> 489 </span>    <span class="Delimiter">}</span>
-<span id="L490" class="LineNr"> 490 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L491" class="LineNr"> 491 </span>    <span class="PreProc">loop</span>
-<span id="L492" class="LineNr"> 492 </span>  <span class="Delimiter">}</span>
-<span id="L493" class="LineNr"> 493 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
-<span id="L494" class="LineNr"> 494 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
-<span id="L495" class="LineNr"> 495 </span>  copy-to *dest, <span class="Constant">0</span>/false
-<span id="L496" class="LineNr"> 496 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L497" class="LineNr"> 497 </span><span class="Delimiter">}</span>
-<span id="L498" class="LineNr"> 498 </span>
-<span id="L499" class="LineNr"> 499 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L499'>clamp-cursor-to-top</a></span> _self: (addr trace), _y: int <span class="Delimiter">{</span>
-<span id="L500" class="LineNr"> 500 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
-<span id="L501" class="LineNr"> 501 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L502" class="LineNr"> 502 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L503" class="LineNr"> 503 </span>  compare *cursor-y, y
-<span id="L504" class="LineNr"> 504 </span>  <span class="PreProc">break-if-&gt;=</span>
-<span id="L505" class="LineNr"> 505 </span>  copy-to *cursor-y, y
-<span id="L506" class="LineNr"> 506 </span><span class="Delimiter">}</span>
-<span id="L507" class="LineNr"> 507 </span>
-<span id="L508" class="LineNr"> 508 </span><span class="muComment"># extremely hacky; consider deleting test-render-trace-empty-3 when you clean this up</span>
-<span id="L509" class="LineNr"> 509 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L509'>clamp-cursor-to-bottom</a></span> _self: (addr trace), _y: int, <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
-<span id="L510" class="LineNr"> 510 </span>  <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy _y
-<span id="L511" class="LineNr"> 511 </span>  compare y, ymin
-<span id="L512" class="LineNr"> 512 </span>  <span class="Delimiter">{</span>
-<span id="L513" class="LineNr"> 513 </span>    <span class="PreProc">break-if-&gt;</span>
-<span id="L514" class="LineNr"> 514 </span>    <span class="PreProc">return</span>
-<span id="L515" class="LineNr"> 515 </span>  <span class="Delimiter">}</span>
-<span id="L516" class="LineNr"> 516 </span>  y <span class="Special">&lt;-</span> decrement
-<span id="L517" class="LineNr"> 517 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L518" class="LineNr"> 518 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L519" class="LineNr"> 519 </span>  compare *cursor-y, y
-<span id="L520" class="LineNr"> 520 </span>  <span class="PreProc">break-if-&lt;=</span>
-<span id="L521" class="LineNr"> 521 </span>  copy-to *cursor-y, y
-<span id="L522" class="LineNr"> 522 </span>  <span class="muComment"># redraw cursor-line</span>
-<span id="L523" class="LineNr"> 523 </span>  <span class="muComment"># TODO: ugly duplication</span>
-<span id="L524" class="LineNr"> 524 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L525" class="LineNr"> 525 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L526" class="LineNr"> 526 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
-<span id="L527" class="LineNr"> 527 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
-<span id="L528" class="LineNr"> 528 </span>  <span class="PreProc">var</span> first-free/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L529" class="LineNr"> 529 </span>  compare cursor-line-index, *first-free
-<span id="L530" class="LineNr"> 530 </span>  <span class="Delimiter">{</span>
-<span id="L531" class="LineNr"> 531 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L532" class="LineNr"> 532 </span>    <span class="PreProc">return</span>
-<span id="L533" class="LineNr"> 533 </span>  <span class="Delimiter">}</span>
-<span id="L534" class="LineNr"> 534 </span>  <span class="PreProc">var</span> cursor-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
-<span id="L535" class="LineNr"> 535 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-offset
-<span id="L536" class="LineNr"> 536 </span>  <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L460'>should-render?</a> self, cursor-line
-<span id="L537" class="LineNr"> 537 </span>  <span class="Delimiter">{</span>
-<span id="L538" class="LineNr"> 538 </span>    compare display?, <span class="Constant">0</span>/false
-<span id="L539" class="LineNr"> 539 </span>    <span class="PreProc">break-if-=</span>
-<span id="L540" class="LineNr"> 540 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L429'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, cursor-line, xmin, y, xmax, ymax, <span class="Constant">0x38</span>/fg=trace, <span class="Constant">7</span>/cursor-line-bg
-<span id="L541" class="LineNr"> 541 </span>    <span class="PreProc">return</span>
-<span id="L542" class="LineNr"> 542 </span>  <span class="Delimiter">}</span>
-<span id="L543" class="LineNr"> 543 </span>  <span class="PreProc">var</span> dummy1/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L544" class="LineNr"> 544 </span>  <span class="PreProc">var</span> dummy2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L545" class="LineNr"> 545 </span>  dummy1, dummy2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L167'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;...&quot;</span>, xmin, ymin, xmax, ymax, xmin, y, <span class="Constant">9</span>/fg=trace, <span class="Constant">7</span>/cursor-line-bg
-<span id="L546" class="LineNr"> 546 </span><span class="Delimiter">}</span>
-<span id="L547" class="LineNr"> 547 </span>
-<span id="L548" class="LineNr"> 548 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L548'>test-render-trace-empty</a></span> <span class="Delimiter">{</span>
-<span id="L549" class="LineNr"> 549 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L550" class="LineNr"> 550 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L551" class="LineNr"> 551 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L552" class="LineNr"> 552 </span>  <span class="muComment"># setup: screen</span>
-<span id="L553" class="LineNr"> 553 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L554" class="LineNr"> 554 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L555" class="LineNr"> 555 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L556" class="LineNr"> 556 </span>  <span class="muComment">#</span>
-<span id="L557" class="LineNr"> 557 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L558" class="LineNr"> 558 </span>  <span class="muComment">#</span>
-<span id="L559" class="LineNr"> 559 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L548'>test-render-trace-empty</a>/cursor&quot;</span>
-<span id="L560" class="LineNr"> 560 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty&quot;</span>
-<span id="L561" class="LineNr"> 561 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L548'>test-render-trace-empty</a>/bg&quot;</span>
-<span id="L562" class="LineNr"> 562 </span><span class="Delimiter">}</span>
-<span id="L563" class="LineNr"> 563 </span>
-<span id="L564" class="LineNr"> 564 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L564'>test-render-trace-empty-2</a></span> <span class="Delimiter">{</span>
-<span id="L565" class="LineNr"> 565 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L566" class="LineNr"> 566 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L567" class="LineNr"> 567 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L568" class="LineNr"> 568 </span>  <span class="muComment"># setup: screen</span>
-<span id="L569" class="LineNr"> 569 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L570" class="LineNr"> 570 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L571" class="LineNr"> 571 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L572" class="LineNr"> 572 </span>  <span class="muComment">#</span>
-<span id="L573" class="LineNr"> 573 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">2</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor  <span class="muComment"># cursor below top row</span>
-<span id="L574" class="LineNr"> 574 </span>  <span class="muComment">#</span>
-<span id="L575" class="LineNr"> 575 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L564'>test-render-trace-empty-2</a>/cursor&quot;</span>
-<span id="L576" class="LineNr"> 576 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty-2&quot;</span>
-<span id="L577" class="LineNr"> 577 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L564'>test-render-trace-empty-2</a>/bg&quot;</span>
-<span id="L578" class="LineNr"> 578 </span><span class="Delimiter">}</span>
-<span id="L579" class="LineNr"> 579 </span>
-<span id="L580" class="LineNr"> 580 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L580'>test-render-trace-empty-3</a></span> <span class="Delimiter">{</span>
-<span id="L581" class="LineNr"> 581 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L582" class="LineNr"> 582 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L583" class="LineNr"> 583 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L584" class="LineNr"> 584 </span>  <span class="muComment"># setup: screen</span>
-<span id="L585" class="LineNr"> 585 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L586" class="LineNr"> 586 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L587" class="LineNr"> 587 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L588" class="LineNr"> 588 </span>  <span class="muComment">#</span>
-<span id="L589" class="LineNr"> 589 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">2</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor  <span class="muComment"># try show cursor</span>
-<span id="L590" class="LineNr"> 590 </span>  <span class="muComment"># still no cursor to show</span>
-<span id="L591" class="LineNr"> 591 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L580'>test-render-trace-empty-3</a>/cursor&quot;</span>
-<span id="L592" class="LineNr"> 592 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L580'>test-render-trace-empty-3</a>/line-above-cursor&quot;</span>
-<span id="L593" class="LineNr"> 593 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L580'>test-render-trace-empty-3</a>/bg-for-line-above-cursor&quot;</span>
-<span id="L594" class="LineNr"> 594 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty-3&quot;</span>
-<span id="L595" class="LineNr"> 595 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L580'>test-render-trace-empty-3</a>/bg&quot;</span>
-<span id="L596" class="LineNr"> 596 </span><span class="Delimiter">}</span>
-<span id="L597" class="LineNr"> 597 </span>
-<span id="L598" class="LineNr"> 598 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L598'>test-render-trace-collapsed-by-default</a></span> <span class="Delimiter">{</span>
-<span id="L599" class="LineNr"> 599 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L600" class="LineNr"> 600 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L601" class="LineNr"> 601 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L602" class="LineNr"> 602 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
-<span id="L603" class="LineNr"> 603 </span>  <span class="muComment"># setup: screen</span>
-<span id="L604" class="LineNr"> 604 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L605" class="LineNr"> 605 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L606" class="LineNr"> 606 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L607" class="LineNr"> 607 </span>  <span class="muComment">#</span>
-<span id="L608" class="LineNr"> 608 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L609" class="LineNr"> 609 </span>  <span class="muComment">#</span>
-<span id="L610" class="LineNr"> 610 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L598'>test-render-trace-collapsed-by-default</a>/cursor&quot;</span>
-<span id="L611" class="LineNr"> 611 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;... &quot;</span>, <span class="Constant">&quot;F - test-render-trace-collapsed-by-default&quot;</span>
-<span id="L612" class="LineNr"> 612 </span><span class="Delimiter">}</span>
-<span id="L613" class="LineNr"> 613 </span>
-<span id="L614" class="LineNr"> 614 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L614'>test-render-trace-error</a></span> <span class="Delimiter">{</span>
-<span id="L615" class="LineNr"> 615 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L616" class="LineNr"> 616 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L617" class="LineNr"> 617 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L618" class="LineNr"> 618 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L619" class="LineNr"> 619 </span>  <span class="muComment"># setup: screen</span>
-<span id="L620" class="LineNr"> 620 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L621" class="LineNr"> 621 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L622" class="LineNr"> 622 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L623" class="LineNr"> 623 </span>  <span class="muComment">#</span>
-<span id="L624" class="LineNr"> 624 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L625" class="LineNr"> 625 </span>  <span class="muComment">#</span>
-<span id="L626" class="LineNr"> 626 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L614'>test-render-trace-error</a>/cursor&quot;</span>
-<span id="L627" class="LineNr"> 627 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - test-render-trace-error&quot;</span>
-<span id="L628" class="LineNr"> 628 </span><span class="Delimiter">}</span>
-<span id="L629" class="LineNr"> 629 </span>
-<span id="L630" class="LineNr"> 630 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L630'>test-render-trace-error-at-start</a></span> <span class="Delimiter">{</span>
-<span id="L631" class="LineNr"> 631 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L632" class="LineNr"> 632 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L633" class="LineNr"> 633 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L634" class="LineNr"> 634 </span>  <span class="muComment">#</span>
-<span id="L635" class="LineNr"> 635 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L636" class="LineNr"> 636 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
-<span id="L637" class="LineNr"> 637 </span>  <span class="muComment"># setup: screen</span>
-<span id="L638" class="LineNr"> 638 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L639" class="LineNr"> 639 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L640" class="LineNr"> 640 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L641" class="LineNr"> 641 </span>  <span class="muComment">#</span>
-<span id="L642" class="LineNr"> 642 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L643" class="LineNr"> 643 </span>  <span class="muComment">#</span>
-<span id="L644" class="LineNr"> 644 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L630'>test-render-trace-error-at-start</a>/cursor&quot;</span>
-<span id="L645" class="LineNr"> 645 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L630'>test-render-trace-error-at-start</a>/0&quot;</span>
-<span id="L646" class="LineNr"> 646 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L630'>test-render-trace-error-at-start</a>/1&quot;</span>
-<span id="L647" class="LineNr"> 647 </span><span class="Delimiter">}</span>
-<span id="L648" class="LineNr"> 648 </span>
-<span id="L649" class="LineNr"> 649 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L649'>test-render-trace-error-at-end</a></span> <span class="Delimiter">{</span>
-<span id="L650" class="LineNr"> 650 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L651" class="LineNr"> 651 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L652" class="LineNr"> 652 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L653" class="LineNr"> 653 </span>  <span class="muComment">#</span>
-<span id="L654" class="LineNr"> 654 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
-<span id="L655" class="LineNr"> 655 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L656" class="LineNr"> 656 </span>  <span class="muComment"># setup: screen</span>
-<span id="L657" class="LineNr"> 657 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L658" class="LineNr"> 658 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L659" class="LineNr"> 659 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L660" class="LineNr"> 660 </span>  <span class="muComment">#</span>
-<span id="L661" class="LineNr"> 661 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L662" class="LineNr"> 662 </span>  <span class="muComment">#</span>
-<span id="L663" class="LineNr"> 663 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L649'>test-render-trace-error-at-end</a>/cursor&quot;</span>
-<span id="L664" class="LineNr"> 664 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L649'>test-render-trace-error-at-end</a>/0&quot;</span>
-<span id="L665" class="LineNr"> 665 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L649'>test-render-trace-error-at-end</a>/1&quot;</span>
-<span id="L666" class="LineNr"> 666 </span><span class="Delimiter">}</span>
-<span id="L667" class="LineNr"> 667 </span>
-<span id="L668" class="LineNr"> 668 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L668'>test-render-trace-error-in-the-middle</a></span> <span class="Delimiter">{</span>
-<span id="L669" class="LineNr"> 669 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L670" class="LineNr"> 670 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L671" class="LineNr"> 671 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L672" class="LineNr"> 672 </span>  <span class="muComment">#</span>
-<span id="L673" class="LineNr"> 673 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L674" class="LineNr"> 674 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L675" class="LineNr"> 675 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L676" class="LineNr"> 676 </span>  <span class="muComment"># setup: screen</span>
-<span id="L677" class="LineNr"> 677 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L678" class="LineNr"> 678 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L679" class="LineNr"> 679 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L680" class="LineNr"> 680 </span>  <span class="muComment">#</span>
-<span id="L681" class="LineNr"> 681 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
-<span id="L682" class="LineNr"> 682 </span>  <span class="muComment">#</span>
-<span id="L683" class="LineNr"> 683 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L668'>test-render-trace-error-in-the-middle</a>/cursor&quot;</span>
-<span id="L684" class="LineNr"> 684 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L668'>test-render-trace-error-in-the-middle</a>/0&quot;</span>
-<span id="L685" class="LineNr"> 685 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L668'>test-render-trace-error-in-the-middle</a>/1&quot;</span>
-<span id="L686" class="LineNr"> 686 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L668'>test-render-trace-error-in-the-middle</a>/2&quot;</span>
-<span id="L687" class="LineNr"> 687 </span><span class="Delimiter">}</span>
-<span id="L688" class="LineNr"> 688 </span>
-<span id="L689" class="LineNr"> 689 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a></span> <span class="Delimiter">{</span>
-<span id="L690" class="LineNr"> 690 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L691" class="LineNr"> 691 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L692" class="LineNr"> 692 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L693" class="LineNr"> 693 </span>  <span class="muComment">#</span>
-<span id="L694" class="LineNr"> 694 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L695" class="LineNr"> 695 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L696" class="LineNr"> 696 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L697" class="LineNr"> 697 </span>  <span class="muComment"># setup: screen</span>
-<span id="L698" class="LineNr"> 698 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L699" class="LineNr"> 699 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L700" class="LineNr"> 700 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L701" class="LineNr"> 701 </span>  <span class="muComment">#</span>
-<span id="L702" class="LineNr"> 702 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L703" class="LineNr"> 703 </span>  <span class="muComment">#</span>
-<span id="L704" class="LineNr"> 704 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/0&quot;</span>
-<span id="L705" class="LineNr"> 705 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/0/cursor&quot;</span>
-<span id="L706" class="LineNr"> 706 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/1&quot;</span>
-<span id="L707" class="LineNr"> 707 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/1/cursor&quot;</span>
-<span id="L708" class="LineNr"> 708 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/2&quot;</span>
-<span id="L709" class="LineNr"> 709 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L689'>test-render-trace-cursor-in-single-line</a>/2/cursor&quot;</span>
-<span id="L710" class="LineNr"> 710 </span><span class="Delimiter">}</span>
-<span id="L711" class="LineNr"> 711 </span>
-<span id="L712" class="LineNr"> 712 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L712'>render-trace-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
-<span id="L713" class="LineNr"> 713 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L714" class="LineNr"> 714 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L715" class="LineNr"> 715 </span>  width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L716" class="LineNr"> 716 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
-<span id="L717" class="LineNr"> 717 </span>  y <span class="Special">&lt;-</span> decrement
-<span id="L718" class="LineNr"> 718 </span>  <a href='../500fake-screen.mu.html#L169'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
-<span id="L719" class="LineNr"> 719 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl-r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L720" class="LineNr"> 720 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L721" class="LineNr"> 721 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl-s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L722" class="LineNr"> 722 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L600'>run</a> <a href='sandbox.mu.html#L1'>sandbox</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L723" class="LineNr"> 723 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl-m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">3</span>/bg=keyboard
-<span id="L724" class="LineNr"> 724 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to keyboard  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L725" class="LineNr"> 725 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; j &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L726" class="LineNr"> 726 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; down  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L727" class="LineNr"> 727 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; k &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L728" class="LineNr"> 728 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; up  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L729" class="LineNr"> 729 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; enter &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L730" class="LineNr"> 730 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='trace.mu.html#L783'>expand</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L731" class="LineNr"> 731 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; backspace &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
-<span id="L732" class="LineNr"> 732 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='trace.mu.html#L823'>collapse</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
-<span id="L733" class="LineNr"> 733 </span><span class="Delimiter">}</span>
-<span id="L734" class="LineNr"> 734 </span>
-<span id="L735" class="LineNr"> 735 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L735'>edit-trace</a></span> _self: (addr trace), key: grapheme <span class="Delimiter">{</span>
-<span id="L736" class="LineNr"> 736 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L737" class="LineNr"> 737 </span>  <span class="muComment"># cursor down</span>
-<span id="L738" class="LineNr"> 738 </span>  <span class="Delimiter">{</span>
-<span id="L739" class="LineNr"> 739 </span>    compare key, <span class="Constant">0x6a</span>/j
-<span id="L740" class="LineNr"> 740 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L741" class="LineNr"> 741 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L742" class="LineNr"> 742 </span>    increment *cursor-y
-<span id="L743" class="LineNr"> 743 </span>    <span class="PreProc">return</span>
-<span id="L744" class="LineNr"> 744 </span>  <span class="Delimiter">}</span>
-<span id="L745" class="LineNr"> 745 </span>  <span class="Delimiter">{</span>
-<span id="L746" class="LineNr"> 746 </span>    compare key, <span class="Constant">0x81</span>/down-arrow
-<span id="L747" class="LineNr"> 747 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L748" class="LineNr"> 748 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L749" class="LineNr"> 749 </span>    increment *cursor-y
-<span id="L750" class="LineNr"> 750 </span>    <span class="PreProc">return</span>
-<span id="L751" class="LineNr"> 751 </span>  <span class="Delimiter">}</span>
-<span id="L752" class="LineNr"> 752 </span>  <span class="muComment"># cursor up</span>
-<span id="L753" class="LineNr"> 753 </span>  <span class="Delimiter">{</span>
-<span id="L754" class="LineNr"> 754 </span>    compare key, <span class="Constant">0x6b</span>/k
-<span id="L755" class="LineNr"> 755 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L756" class="LineNr"> 756 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L757" class="LineNr"> 757 </span>    decrement *cursor-y
-<span id="L758" class="LineNr"> 758 </span>    <span class="PreProc">return</span>
-<span id="L759" class="LineNr"> 759 </span>  <span class="Delimiter">}</span>
-<span id="L760" class="LineNr"> 760 </span>  <span class="Delimiter">{</span>
-<span id="L761" class="LineNr"> 761 </span>    compare key, <span class="Constant">0x82</span>/up-arrow
-<span id="L762" class="LineNr"> 762 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L763" class="LineNr"> 763 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L764" class="LineNr"> 764 </span>    decrement *cursor-y
-<span id="L765" class="LineNr"> 765 </span>    <span class="PreProc">return</span>
-<span id="L766" class="LineNr"> 766 </span>  <span class="Delimiter">}</span>
-<span id="L767" class="LineNr"> 767 </span>  <span class="muComment"># enter = expand</span>
-<span id="L768" class="LineNr"> 768 </span>  <span class="Delimiter">{</span>
-<span id="L769" class="LineNr"> 769 </span>    compare key, <span class="Constant">0xa</span>/newline
-<span id="L770" class="LineNr"> 770 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L771" class="LineNr"> 771 </span>    <a href='trace.mu.html#L783'>expand</a> self
-<span id="L772" class="LineNr"> 772 </span>    <span class="PreProc">return</span>
-<span id="L773" class="LineNr"> 773 </span>  <span class="Delimiter">}</span>
-<span id="L774" class="LineNr"> 774 </span>  <span class="muComment"># backspace = collapse</span>
-<span id="L775" class="LineNr"> 775 </span>  <span class="Delimiter">{</span>
-<span id="L776" class="LineNr"> 776 </span>    compare key, <span class="Constant">8</span>/backspace
-<span id="L777" class="LineNr"> 777 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L778" class="LineNr"> 778 </span>    <a href='trace.mu.html#L823'>collapse</a> self
-<span id="L779" class="LineNr"> 779 </span>    <span class="PreProc">return</span>
-<span id="L780" class="LineNr"> 780 </span>  <span class="Delimiter">}</span>
-<span id="L781" class="LineNr"> 781 </span><span class="Delimiter">}</span>
-<span id="L782" class="LineNr"> 782 </span>
-<span id="L783" class="LineNr"> 783 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L783'>expand</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L784" class="LineNr"> 784 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L785" class="LineNr"> 785 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L786" class="LineNr"> 786 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L787" class="LineNr"> 787 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L788" class="LineNr"> 788 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
-<span id="L789" class="LineNr"> 789 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
-<span id="L790" class="LineNr"> 790 </span>  <span class="PreProc">var</span> cursor-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
-<span id="L791" class="LineNr"> 791 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-line-offset
-<span id="L792" class="LineNr"> 792 </span>  <span class="PreProc">var</span> cursor-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get cursor-line, visible?
-<span id="L793" class="LineNr"> 793 </span>  <span class="PreProc">var</span> cursor-line-depth/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get cursor-line, depth
-<span id="L794" class="LineNr"> 794 </span>  <span class="PreProc">var</span> target-depth/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-depth
-<span id="L795" class="LineNr"> 795 </span>  <span class="muComment"># if cursor-line is already visible, increment target-depth</span>
-<span id="L796" class="LineNr"> 796 </span>  compare *cursor-line-visible?, <span class="Constant">0</span>/false
-<span id="L797" class="LineNr"> 797 </span>  <span class="Delimiter">{</span>
-<span id="L798" class="LineNr"> 798 </span>    <span class="PreProc">break-if-=</span>
-<span id="L799" class="LineNr"> 799 </span>    target-depth <span class="Special">&lt;-</span> increment
-<span id="L800" class="LineNr"> 800 </span>  <span class="Delimiter">}</span>
-<span id="L801" class="LineNr"> 801 </span>  <span class="muComment"># reveal the run of lines starting at cursor-line-index with depth target-depth</span>
-<span id="L802" class="LineNr"> 802 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy cursor-line-index
-<span id="L803" class="LineNr"> 803 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L804" class="LineNr"> 804 </span>  <span class="Delimiter">{</span>
-<span id="L805" class="LineNr"> 805 </span>    compare i, *max
-<span id="L806" class="LineNr"> 806 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L807" class="LineNr"> 807 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L808" class="LineNr"> 808 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
-<span id="L809" class="LineNr"> 809 </span>    <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
-<span id="L810" class="LineNr"> 810 </span>    compare *curr-line-depth, target-depth
-<span id="L811" class="LineNr"> 811 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L812" class="LineNr"> 812 </span>    <span class="Delimiter">{</span>
-<span id="L813" class="LineNr"> 813 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L814" class="LineNr"> 814 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
-<span id="L815" class="LineNr"> 815 </span>      copy-to *curr-line-visible?, <span class="Constant">1</span>/true
-<span id="L816" class="LineNr"> 816 </span>      <a href='trace.mu.html#L889'>reveal-trace-line</a> self, curr-line
-<span id="L817" class="LineNr"> 817 </span>    <span class="Delimiter">}</span>
-<span id="L818" class="LineNr"> 818 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L819" class="LineNr"> 819 </span>    <span class="PreProc">loop</span>
-<span id="L820" class="LineNr"> 820 </span>  <span class="Delimiter">}</span>
-<span id="L821" class="LineNr"> 821 </span><span class="Delimiter">}</span>
-<span id="L822" class="LineNr"> 822 </span>
-<span id="L823" class="LineNr"> 823 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L823'>collapse</a></span> _self: (addr trace) <span class="Delimiter">{</span>
-<span id="L824" class="LineNr"> 824 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L825" class="LineNr"> 825 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
-<span id="L826" class="LineNr"> 826 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
-<span id="L827" class="LineNr"> 827 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
-<span id="L828" class="LineNr"> 828 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
-<span id="L829" class="LineNr"> 829 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
-<span id="L830" class="LineNr"> 830 </span>  <span class="PreProc">var</span> cursor-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
-<span id="L831" class="LineNr"> 831 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-line-offset
-<span id="L832" class="LineNr"> 832 </span>  <span class="PreProc">var</span> cursor-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get cursor-line, visible?
-<span id="L833" class="LineNr"> 833 </span>  <span class="muComment"># if cursor-line is not visible, do nothing</span>
-<span id="L834" class="LineNr"> 834 </span>  compare *cursor-line-visible?, <span class="Constant">0</span>/false
-<span id="L835" class="LineNr"> 835 </span>  <span class="Delimiter">{</span>
-<span id="L836" class="LineNr"> 836 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L837" class="LineNr"> 837 </span>    <span class="PreProc">return</span>
-<span id="L838" class="LineNr"> 838 </span>  <span class="Delimiter">}</span>
-<span id="L839" class="LineNr"> 839 </span>  <span class="muComment"># hide all lines between previous and next line with a lower depth</span>
-<span id="L840" class="LineNr"> 840 </span>  <span class="PreProc">var</span> cursor-line-depth/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get cursor-line, depth
-<span id="L841" class="LineNr"> 841 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
-<span id="L842" class="LineNr"> 842 </span>  <span class="PreProc">var</span> target-depth/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-depth
-<span id="L843" class="LineNr"> 843 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy cursor-line-index
-<span id="L844" class="LineNr"> 844 </span>  $collapse:loop1: <span class="Delimiter">{</span>
-<span id="L845" class="LineNr"> 845 </span>    compare i, <span class="Constant">0</span>
-<span id="L846" class="LineNr"> 846 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L847" class="LineNr"> 847 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L848" class="LineNr"> 848 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
-<span id="L849" class="LineNr"> 849 </span>    <span class="Delimiter">{</span>
-<span id="L850" class="LineNr"> 850 </span>      <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
-<span id="L851" class="LineNr"> 851 </span>      compare *curr-line-depth, target-depth
-<span id="L852" class="LineNr"> 852 </span>      <span class="PreProc">break-if-&lt;</span> $collapse:loop1
-<span id="L853" class="LineNr"> 853 </span>    <span class="Delimiter">}</span>
-<span id="L854" class="LineNr"> 854 </span>    <span class="muComment"># if cursor-line is visible, decrement cursor-y</span>
-<span id="L855" class="LineNr"> 855 </span>    <span class="Delimiter">{</span>
-<span id="L856" class="LineNr"> 856 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
-<span id="L857" class="LineNr"> 857 </span>      compare *curr-line-visible?, <span class="Constant">0</span>/false
-<span id="L858" class="LineNr"> 858 </span>      <span class="PreProc">break-if-=</span>
-<span id="L859" class="LineNr"> 859 </span>      decrement *cursor-y
-<span id="L860" class="LineNr"> 860 </span>    <span class="Delimiter">}</span>
-<span id="L861" class="LineNr"> 861 </span>    i <span class="Special">&lt;-</span> decrement
-<span id="L862" class="LineNr"> 862 </span>    <span class="PreProc">loop</span>
-<span id="L863" class="LineNr"> 863 </span>  <span class="Delimiter">}</span>
-<span id="L864" class="LineNr"> 864 </span>  i <span class="Special">&lt;-</span> increment
-<span id="L865" class="LineNr"> 865 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
-<span id="L866" class="LineNr"> 866 </span>  $collapse:loop2: <span class="Delimiter">{</span>
-<span id="L867" class="LineNr"> 867 </span>    compare i, *max
-<span id="L868" class="LineNr"> 868 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L869" class="LineNr"> 869 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
-<span id="L870" class="LineNr"> 870 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
-<span id="L871" class="LineNr"> 871 </span>    <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
-<span id="L872" class="LineNr"> 872 </span>    compare *curr-line-depth, target-depth
-<span id="L873" class="LineNr"> 873 </span>    <span class="PreProc">break-if-&lt;</span>
-<span id="L874" class="LineNr"> 874 </span>    <span class="Delimiter">{</span>
-<span id="L875" class="LineNr"> 875 </span>      <a href='trace.mu.html#L914'>hide-trace-line</a> self, curr-line
-<span id="L876" class="LineNr"> 876 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
-<span id="L877" class="LineNr"> 877 </span>      copy-to *curr-line-visible?, <span class="Constant">0</span>/false
-<span id="L878" class="LineNr"> 878 </span>    <span class="Delimiter">}</span>
-<span id="L879" class="LineNr"> 879 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L880" class="LineNr"> 880 </span>    <span class="PreProc">loop</span>
-<span id="L881" class="LineNr"> 881 </span>  <span class="Delimiter">}</span>
-<span id="L882" class="LineNr"> 882 </span><span class="Delimiter">}</span>
-<span id="L883" class="LineNr"> 883 </span>
-<span id="L884" class="LineNr"> 884 </span><span class="muComment"># the 'visible' array is not required to be in order</span>
-<span id="L885" class="LineNr"> 885 </span><span class="muComment"># elements can also be deleted out of order</span>
-<span id="L886" class="LineNr"> 886 </span><span class="muComment"># so it can have holes</span>
-<span id="L887" class="LineNr"> 887 </span><span class="muComment"># however, lines in it always have visible? set</span>
-<span id="L888" class="LineNr"> 888 </span><span class="muComment"># we'll use visible? being unset as a sign of emptiness</span>
-<span id="L889" class="LineNr"> 889 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L889'>reveal-trace-line</a></span> _self: (addr trace), line: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Delimiter">{</span>
-<span id="L890" class="LineNr"> 890 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L891" class="LineNr"> 891 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
-<span id="L892" class="LineNr"> 892 </span>  <span class="PreProc">var</span> visible/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *visible-ah
-<span id="L893" class="LineNr"> 893 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L894" class="LineNr"> 894 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length visible
-<span id="L895" class="LineNr"> 895 </span>  <span class="Delimiter">{</span>
-<span id="L896" class="LineNr"> 896 </span>    compare i, len
-<span id="L897" class="LineNr"> 897 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L898" class="LineNr"> 898 </span>    <span class="PreProc">var</span> curr-offset/<span class="Constant">edx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset visible, i
-<span id="L899" class="LineNr"> 899 </span>    <span class="PreProc">var</span> curr/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index visible, curr-offset
-<span id="L900" class="LineNr"> 900 </span>    <span class="PreProc">var</span> curr-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr, visible?
-<span id="L901" class="LineNr"> 901 </span>    compare *curr-visible?, <span class="Constant">0</span>/false
-<span id="L902" class="LineNr"> 902 </span>    <span class="Delimiter">{</span>
-<span id="L903" class="LineNr"> 903 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L904" class="LineNr"> 904 </span>      <span class="muComment"># empty slot found</span>
-<span id="L905" class="LineNr"> 905 </span>      copy-object line, curr
-<span id="L906" class="LineNr"> 906 </span>      <span class="PreProc">return</span>
-<span id="L907" class="LineNr"> 907 </span>    <span class="Delimiter">}</span>
-<span id="L908" class="LineNr"> 908 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L909" class="LineNr"> 909 </span>    <span class="PreProc">loop</span>
-<span id="L910" class="LineNr"> 910 </span>  <span class="Delimiter">}</span>
-<span id="L911" class="LineNr"> 911 </span>  <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;too many visible lines; increase size of array trace.visible&quot;</span>
-<span id="L912" class="LineNr"> 912 </span><span class="Delimiter">}</span>
-<span id="L913" class="LineNr"> 913 </span>
-<span id="L914" class="LineNr"> 914 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L914'>hide-trace-line</a></span> _self: (addr trace), line: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Delimiter">{</span>
-<span id="L915" class="LineNr"> 915 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
-<span id="L916" class="LineNr"> 916 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
-<span id="L917" class="LineNr"> 917 </span>  <span class="PreProc">var</span> visible/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *visible-ah
-<span id="L918" class="LineNr"> 918 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L919" class="LineNr"> 919 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length visible
-<span id="L920" class="LineNr"> 920 </span>  <span class="Delimiter">{</span>
-<span id="L921" class="LineNr"> 921 </span>    compare i, len
-<span id="L922" class="LineNr"> 922 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L923" class="LineNr"> 923 </span>    <span class="PreProc">var</span> curr-offset/<span class="Constant">edx</span>: (offset <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset visible, i
-<span id="L924" class="LineNr"> 924 </span>    <span class="PreProc">var</span> curr/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L26'>trace-line</a>) <span class="Special">&lt;-</span> index visible, curr-offset
-<span id="L925" class="LineNr"> 925 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L251'>trace-lines-equal?</a> curr, line
-<span id="L926" class="LineNr"> 926 </span>    compare found?, <span class="Constant">0</span>/false
-<span id="L927" class="LineNr"> 927 </span>    <span class="Delimiter">{</span>
-<span id="L928" class="LineNr"> 928 </span>      <span class="PreProc">break-if-=</span>
-<span id="L929" class="LineNr"> 929 </span>      clear-object curr
-<span id="L930" class="LineNr"> 930 </span>    <span class="Delimiter">}</span>
-<span id="L931" class="LineNr"> 931 </span>    i <span class="Special">&lt;-</span> increment
-<span id="L932" class="LineNr"> 932 </span>    <span class="PreProc">loop</span>
-<span id="L933" class="LineNr"> 933 </span>  <span class="Delimiter">}</span>
-<span id="L934" class="LineNr"> 934 </span><span class="Delimiter">}</span>
-<span id="L935" class="LineNr"> 935 </span>
-<span id="L936" class="LineNr"> 936 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a></span> <span class="Delimiter">{</span>
-<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L938" class="LineNr"> 938 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L939" class="LineNr"> 939 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L940" class="LineNr"> 940 </span>  <span class="muComment">#</span>
-<span id="L941" class="LineNr"> 941 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L942" class="LineNr"> 942 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L943" class="LineNr"> 943 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L944" class="LineNr"> 944 </span>  <span class="muComment"># setup: screen</span>
-<span id="L945" class="LineNr"> 945 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L946" class="LineNr"> 946 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L947" class="LineNr"> 947 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L948" class="LineNr"> 948 </span>  <span class="muComment">#</span>
-<span id="L949" class="LineNr"> 949 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L950" class="LineNr"> 950 </span>  <span class="muComment">#</span>
-<span id="L951" class="LineNr"> 951 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-0&quot;</span>
-<span id="L952" class="LineNr"> 952 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-0/cursor&quot;</span>
-<span id="L953" class="LineNr"> 953 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-1&quot;</span>
-<span id="L954" class="LineNr"> 954 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-1/cursor&quot;</span>
-<span id="L955" class="LineNr"> 955 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-2&quot;</span>
-<span id="L956" class="LineNr"> 956 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/pre-2/cursor&quot;</span>
-<span id="L957" class="LineNr"> 957 </span>  <span class="muComment"># cursor down</span>
-<span id="L958" class="LineNr"> 958 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L959" class="LineNr"> 959 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L960" class="LineNr"> 960 </span>  <span class="muComment">#</span>
-<span id="L961" class="LineNr"> 961 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-0&quot;</span>
-<span id="L962" class="LineNr"> 962 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-0/cursor&quot;</span>
-<span id="L963" class="LineNr"> 963 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-1&quot;</span>
-<span id="L964" class="LineNr"> 964 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-1/cursor&quot;</span>
-<span id="L965" class="LineNr"> 965 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-2&quot;</span>
-<span id="L966" class="LineNr"> 966 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/down-2/cursor&quot;</span>
-<span id="L967" class="LineNr"> 967 </span>  <span class="muComment"># cursor up</span>
-<span id="L968" class="LineNr"> 968 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6b</span>/k
-<span id="L969" class="LineNr"> 969 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L970" class="LineNr"> 970 </span>  <span class="muComment">#</span>
-<span id="L971" class="LineNr"> 971 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-0&quot;</span>
-<span id="L972" class="LineNr"> 972 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-0/cursor&quot;</span>
-<span id="L973" class="LineNr"> 973 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-1&quot;</span>
-<span id="L974" class="LineNr"> 974 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-1/cursor&quot;</span>
-<span id="L975" class="LineNr"> 975 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-2&quot;</span>
-<span id="L976" class="LineNr"> 976 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L936'>test-cursor-down-and-up-within-trace</a>/up-2/cursor&quot;</span>
-<span id="L977" class="LineNr"> 977 </span><span class="Delimiter">}</span>
-<span id="L978" class="LineNr"> 978 </span>
-<span id="L979" class="LineNr"> 979 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a></span> <span class="Delimiter">{</span>
-<span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L982" class="LineNr"> 982 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L983" class="LineNr"> 983 </span>  <span class="muComment">#</span>
-<span id="L984" class="LineNr"> 984 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L985" class="LineNr"> 985 </span>  <span class="Special"><a href='trace.mu.html#L129'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
-<span id="L986" class="LineNr"> 986 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L987" class="LineNr"> 987 </span>  <span class="muComment"># setup: screen</span>
-<span id="L988" class="LineNr"> 988 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L989" class="LineNr"> 989 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L990" class="LineNr"> 990 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L991" class="LineNr"> 991 </span>  <span class="muComment">#</span>
-<span id="L992" class="LineNr"> 992 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L993" class="LineNr"> 993 </span>  <span class="muComment">#</span>
-<span id="L994" class="LineNr"> 994 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-0&quot;</span>
-<span id="L995" class="LineNr"> 995 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-0/cursor&quot;</span>
-<span id="L996" class="LineNr"> 996 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-1&quot;</span>
-<span id="L997" class="LineNr"> 997 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-1/cursor&quot;</span>
-<span id="L998" class="LineNr"> 998 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-2&quot;</span>
-<span id="L999" class="LineNr"> 999 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/pre-2/cursor&quot;</span>
-<span id="L1000" class="LineNr">1000 </span>  <span class="muComment"># cursor down several times</span>
-<span id="L1001" class="LineNr">1001 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1002" class="LineNr">1002 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1003" class="LineNr">1003 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1004" class="LineNr">1004 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1005" class="LineNr">1005 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1006" class="LineNr">1006 </span>  <span class="muComment"># hack: we do need to render to make this test pass; we're mixing state management with rendering</span>
-<span id="L1007" class="LineNr">1007 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1008" class="LineNr">1008 </span>  <span class="muComment"># cursor clamps at bottom</span>
-<span id="L1009" class="LineNr">1009 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-0&quot;</span>
-<span id="L1010" class="LineNr">1010 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-0/cursor&quot;</span>
-<span id="L1011" class="LineNr">1011 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-1&quot;</span>
-<span id="L1012" class="LineNr">1012 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-1/cursor&quot;</span>
-<span id="L1013" class="LineNr">1013 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-2&quot;</span>
-<span id="L1014" class="LineNr">1014 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L979'>test-cursor-down-past-bottom-of-trace</a>/down-2/cursor&quot;</span>
-<span id="L1015" class="LineNr">1015 </span><span class="Delimiter">}</span>
-<span id="L1016" class="LineNr">1016 </span>
-<span id="L1017" class="LineNr">1017 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1017'>test-expand-within-trace</a></span> <span class="Delimiter">{</span>
-<span id="L1018" class="LineNr">1018 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1019" class="LineNr">1019 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1020" class="LineNr">1020 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1021" class="LineNr">1021 </span>  <span class="muComment">#</span>
-<span id="L1022" class="LineNr">1022 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1023" class="LineNr">1023 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1024" class="LineNr">1024 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1025" class="LineNr">1025 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1026" class="LineNr">1026 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1027" class="LineNr">1027 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1028" class="LineNr">1028 </span>  <span class="muComment">#</span>
-<span id="L1029" class="LineNr">1029 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1030" class="LineNr">1030 </span>  <span class="muComment">#</span>
-<span id="L1031" class="LineNr">1031 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/pre-0&quot;</span>
-<span id="L1032" class="LineNr">1032 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/pre-0/cursor&quot;</span>
-<span id="L1033" class="LineNr">1033 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/pre-1&quot;</span>
-<span id="L1034" class="LineNr">1034 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/pre-1/cursor&quot;</span>
-<span id="L1035" class="LineNr">1035 </span>  <span class="muComment"># expand</span>
-<span id="L1036" class="LineNr">1036 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1037" class="LineNr">1037 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1038" class="LineNr">1038 </span>  <span class="muComment">#</span>
-<span id="L1039" class="LineNr">1039 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-0&quot;</span>
-<span id="L1040" class="LineNr">1040 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-0/cursor&quot;</span>
-<span id="L1041" class="LineNr">1041 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-1&quot;</span>
-<span id="L1042" class="LineNr">1042 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-1/cursor&quot;</span>
-<span id="L1043" class="LineNr">1043 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-2&quot;</span>
-<span id="L1044" class="LineNr">1044 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1017'>test-expand-within-trace</a>/expand-2/cursor&quot;</span>
-<span id="L1045" class="LineNr">1045 </span><span class="Delimiter">}</span>
-<span id="L1046" class="LineNr">1046 </span>
-<span id="L1047" class="LineNr">1047 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a></span> <span class="Delimiter">{</span>
-<span id="L1048" class="LineNr">1048 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1049" class="LineNr">1049 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1050" class="LineNr">1050 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1051" class="LineNr">1051 </span>  <span class="muComment">#</span>
-<span id="L1052" class="LineNr">1052 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1053" class="LineNr">1053 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1054" class="LineNr">1054 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1055" class="LineNr">1055 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1056" class="LineNr">1056 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1057" class="LineNr">1057 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1058" class="LineNr">1058 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1059" class="LineNr">1059 </span>  <span class="muComment">#</span>
-<span id="L1060" class="LineNr">1060 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1061" class="LineNr">1061 </span>  <span class="muComment">#</span>
-<span id="L1062" class="LineNr">1062 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/pre-0&quot;</span>
-<span id="L1063" class="LineNr">1063 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/pre-0/cursor&quot;</span>
-<span id="L1064" class="LineNr">1064 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/pre-1&quot;</span>
-<span id="L1065" class="LineNr">1065 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/pre-1/cursor&quot;</span>
-<span id="L1066" class="LineNr">1066 </span>  <span class="muComment"># expand</span>
-<span id="L1067" class="LineNr">1067 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1068" class="LineNr">1068 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1069" class="LineNr">1069 </span>  <span class="muComment">#</span>
-<span id="L1070" class="LineNr">1070 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-0&quot;</span>
-<span id="L1071" class="LineNr">1071 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-0/cursor&quot;</span>
-<span id="L1072" class="LineNr">1072 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-1&quot;</span>
-<span id="L1073" class="LineNr">1073 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-1/cursor&quot;</span>
-<span id="L1074" class="LineNr">1074 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-2&quot;</span>
-<span id="L1075" class="LineNr">1075 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1047'>test-trace-expand-skips-lower-depth</a>/expand-2/cursor&quot;</span>
-<span id="L1076" class="LineNr">1076 </span><span class="Delimiter">}</span>
-<span id="L1077" class="LineNr">1077 </span>
-<span id="L1078" class="LineNr">1078 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a></span> <span class="Delimiter">{</span>
-<span id="L1079" class="LineNr">1079 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1080" class="LineNr">1080 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1081" class="LineNr">1081 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1082" class="LineNr">1082 </span>  <span class="muComment">#</span>
-<span id="L1083" class="LineNr">1083 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1084" class="LineNr">1084 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1085" class="LineNr">1085 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1086" class="LineNr">1086 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1087" class="LineNr">1087 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1088" class="LineNr">1088 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1089" class="LineNr">1089 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1090" class="LineNr">1090 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1091" class="LineNr">1091 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1092" class="LineNr">1092 </span>  <span class="muComment">#</span>
-<span id="L1093" class="LineNr">1093 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1094" class="LineNr">1094 </span>  <span class="muComment">#</span>
-<span id="L1095" class="LineNr">1095 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/pre-0&quot;</span>
-<span id="L1096" class="LineNr">1096 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/pre-0/cursor&quot;</span>
-<span id="L1097" class="LineNr">1097 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/pre-1&quot;</span>
-<span id="L1098" class="LineNr">1098 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/pre-1/cursor&quot;</span>
-<span id="L1099" class="LineNr">1099 </span>  <span class="muComment"># expand</span>
-<span id="L1100" class="LineNr">1100 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1101" class="LineNr">1101 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1102" class="LineNr">1102 </span>  <span class="muComment">#</span>
-<span id="L1103" class="LineNr">1103 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-0&quot;</span>
-<span id="L1104" class="LineNr">1104 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-0/cursor&quot;</span>
-<span id="L1105" class="LineNr">1105 </span>  <span class="muComment"># TODO: might be too wasteful to show every place where lines are hidden</span>
-<span id="L1106" class="LineNr">1106 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-1&quot;</span>
-<span id="L1107" class="LineNr">1107 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-1/cursor&quot;</span>
-<span id="L1108" class="LineNr">1108 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-2&quot;</span>
-<span id="L1109" class="LineNr">1109 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1078'>test-trace-expand-continues-past-lower-depth</a>/expand-2/cursor&quot;</span>
-<span id="L1110" class="LineNr">1110 </span><span class="Delimiter">}</span>
-<span id="L1111" class="LineNr">1111 </span>
-<span id="L1112" class="LineNr">1112 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a></span> <span class="Delimiter">{</span>
-<span id="L1113" class="LineNr">1113 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1114" class="LineNr">1114 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1115" class="LineNr">1115 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1116" class="LineNr">1116 </span>  <span class="muComment">#</span>
-<span id="L1117" class="LineNr">1117 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1118" class="LineNr">1118 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1119" class="LineNr">1119 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1.1&quot;</span>
-<span id="L1120" class="LineNr">1120 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1121" class="LineNr">1121 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.2&quot;</span>
-<span id="L1122" class="LineNr">1122 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1123" class="LineNr">1123 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1124" class="LineNr">1124 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1125" class="LineNr">1125 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.1&quot;</span>
-<span id="L1126" class="LineNr">1126 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1127" class="LineNr">1127 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1128" class="LineNr">1128 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1129" class="LineNr">1129 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">8</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1130" class="LineNr">1130 </span>  <span class="muComment">#</span>
-<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1132" class="LineNr">1132 </span>  <span class="muComment">#</span>
-<span id="L1133" class="LineNr">1133 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/pre-0&quot;</span>
-<span id="L1134" class="LineNr">1134 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/pre-0/cursor&quot;</span>
-<span id="L1135" class="LineNr">1135 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/pre-1&quot;</span>
-<span id="L1136" class="LineNr">1136 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/pre-1/cursor&quot;</span>
-<span id="L1137" class="LineNr">1137 </span>  <span class="muComment"># expand</span>
-<span id="L1138" class="LineNr">1138 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1139" class="LineNr">1139 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1140" class="LineNr">1140 </span>  <span class="muComment">#</span>
-<span id="L1141" class="LineNr">1141 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-0&quot;</span>
-<span id="L1142" class="LineNr">1142 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-0/cursor&quot;</span>
-<span id="L1143" class="LineNr">1143 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-1&quot;</span>
-<span id="L1144" class="LineNr">1144 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-1/cursor&quot;</span>
-<span id="L1145" class="LineNr">1145 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 1.2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-2&quot;</span>
-<span id="L1146" class="LineNr">1146 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-2/cursor&quot;</span>
-<span id="L1147" class="LineNr">1147 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-3&quot;</span>
-<span id="L1148" class="LineNr">1148 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-3/cursor&quot;</span>
-<span id="L1149" class="LineNr">1149 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-4&quot;</span>
-<span id="L1150" class="LineNr">1150 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1112'>test-trace-expand-stops-at-higher-depth</a>/expand-4/cursor&quot;</span>
-<span id="L1151" class="LineNr">1151 </span><span class="Delimiter">}</span>
-<span id="L1152" class="LineNr">1152 </span>
-<span id="L1153" class="LineNr">1153 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1153'>test-trace-expand-twice</a></span> <span class="Delimiter">{</span>
-<span id="L1154" class="LineNr">1154 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1155" class="LineNr">1155 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1156" class="LineNr">1156 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1157" class="LineNr">1157 </span>  <span class="muComment">#</span>
-<span id="L1158" class="LineNr">1158 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1159" class="LineNr">1159 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1160" class="LineNr">1160 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1161" class="LineNr">1161 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1162" class="LineNr">1162 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1163" class="LineNr">1163 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1164" class="LineNr">1164 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1165" class="LineNr">1165 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1166" class="LineNr">1166 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1167" class="LineNr">1167 </span>  <span class="muComment">#</span>
-<span id="L1168" class="LineNr">1168 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1169" class="LineNr">1169 </span>  <span class="muComment">#</span>
-<span id="L1170" class="LineNr">1170 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/pre-0&quot;</span>
-<span id="L1171" class="LineNr">1171 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/pre-0/cursor&quot;</span>
-<span id="L1172" class="LineNr">1172 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/pre-1&quot;</span>
-<span id="L1173" class="LineNr">1173 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/pre-1/cursor&quot;</span>
-<span id="L1174" class="LineNr">1174 </span>  <span class="muComment"># expand</span>
-<span id="L1175" class="LineNr">1175 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1176" class="LineNr">1176 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1177" class="LineNr">1177 </span>  <span class="muComment">#</span>
-<span id="L1178" class="LineNr">1178 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-0&quot;</span>
-<span id="L1179" class="LineNr">1179 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-0/cursor&quot;</span>
-<span id="L1180" class="LineNr">1180 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-1&quot;</span>
-<span id="L1181" class="LineNr">1181 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-1/cursor&quot;</span>
-<span id="L1182" class="LineNr">1182 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-2&quot;</span>
-<span id="L1183" class="LineNr">1183 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand-2/cursor&quot;</span>
-<span id="L1184" class="LineNr">1184 </span>  <span class="muComment"># cursor down</span>
-<span id="L1185" class="LineNr">1185 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1186" class="LineNr">1186 </span>  <span class="muComment"># hack: we need to render here to make this test pass; we're mixing state management with rendering</span>
-<span id="L1187" class="LineNr">1187 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1188" class="LineNr">1188 </span>  <span class="muComment">#</span>
-<span id="L1189" class="LineNr">1189 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-0&quot;</span>
-<span id="L1190" class="LineNr">1190 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-0/cursor&quot;</span>
-<span id="L1191" class="LineNr">1191 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-1&quot;</span>
-<span id="L1192" class="LineNr">1192 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-1/cursor&quot;</span>
-<span id="L1193" class="LineNr">1193 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-2&quot;</span>
-<span id="L1194" class="LineNr">1194 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/down-2/cursor&quot;</span>
-<span id="L1195" class="LineNr">1195 </span>  <span class="muComment"># expand again</span>
-<span id="L1196" class="LineNr">1196 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1197" class="LineNr">1197 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1198" class="LineNr">1198 </span>  <span class="muComment">#</span>
-<span id="L1199" class="LineNr">1199 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-0&quot;</span>
-<span id="L1200" class="LineNr">1200 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-0/cursor&quot;</span>
-<span id="L1201" class="LineNr">1201 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-1&quot;</span>
-<span id="L1202" class="LineNr">1202 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-1/cursor&quot;</span>
-<span id="L1203" class="LineNr">1203 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-2&quot;</span>
-<span id="L1204" class="LineNr">1204 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1153'>test-trace-expand-twice</a>/expand2-2/cursor&quot;</span>
-<span id="L1205" class="LineNr">1205 </span><span class="Delimiter">}</span>
-<span id="L1206" class="LineNr">1206 </span>
-<span id="L1207" class="LineNr">1207 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a></span> <span class="Delimiter">{</span>
-<span id="L1208" class="LineNr">1208 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1209" class="LineNr">1209 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1210" class="LineNr">1210 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L2" class="LineNr">   2 </span><span class="muComment"># Traces are useful for:</span>
+<span id="L3" class="LineNr">   3 </span><span class="muComment">#   error-handling</span>
+<span id="L4" class="LineNr">   4 </span><span class="muComment">#   testing</span>
+<span id="L5" class="LineNr">   5 </span><span class="muComment">#   auditing</span>
+<span id="L6" class="LineNr">   6 </span><span class="muComment">#   debugging</span>
+<span id="L7" class="LineNr">   7 </span><span class="muComment">#   learning</span>
+<span id="L8" class="LineNr">   8 </span><span class="muComment">#</span>
+<span id="L9" class="LineNr">   9 </span><span class="muComment"># An integral part of the Mu computer is facilities for browsing traces.</span>
+<span id="L10" class="LineNr">  10 </span>
+<span id="L11" class="LineNr">  11 </span><span class="PreProc">type</span> trace <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">  12 </span>  max-depth: int
+<span id="L13" class="LineNr">  13 </span>  curr-depth: int  <span class="muComment"># depth that will be assigned to next line appended</span>
+<span id="L14" class="LineNr">  14 </span>  data: (handle array <a href='trace.mu.html#L41'>trace-line</a>)
+<span id="L15" class="LineNr">  15 </span>  first-free: int
+<span id="L16" class="LineNr">  16 </span>  first-full: int  <span class="muComment"># used only by check-trace-scan</span>
+<span id="L17" class="LineNr">  17 </span>
+<span id="L18" class="LineNr">  18 </span>  <span class="muComment"># steady-state life cycle of a trace:</span>
+<span id="L19" class="LineNr">  19 </span>  <span class="muComment">#   reload loop:</span>
+<span id="L20" class="LineNr">  20 </span>  <span class="muComment">#     there are already some visible lines</span>
+<span id="L21" class="LineNr">  21 </span>  <span class="muComment">#     append a bunch of new trace lines to the trace</span>
+<span id="L22" class="LineNr">  22 </span>  <span class="muComment">#     recreate trace caches</span>
+<span id="L23" class="LineNr">  23 </span>  <span class="muComment">#     render loop:</span>
+<span id="L24" class="LineNr">  24 </span>  <span class="muComment">#       rendering displays trace lines that match visible lines</span>
+<span id="L25" class="LineNr">  25 </span>  <span class="muComment">#         (caching in each line)</span>
+<span id="L26" class="LineNr">  26 </span>  <span class="muComment">#         (caching top-line)</span>
+<span id="L27" class="LineNr">  27 </span>  <span class="muComment">#       rendering computes cursor-line based on the cursor-y coordinate</span>
+<span id="L28" class="LineNr">  28 </span>  <span class="muComment">#       edit-trace updates cursor-y coordinate</span>
+<span id="L29" class="LineNr">  29 </span>  <span class="muComment">#       edit-trace might add/remove lines to visible</span>
+<span id="L30" class="LineNr">  30 </span>  <span class="muComment">#       edit-trace might update top-line</span>
+<span id="L31" class="LineNr">  31 </span>  visible: (handle array <a href='trace.mu.html#L41'>trace-line</a>)
+<span id="L32" class="LineNr">  32 </span>  recreate-caches?: boolean
+<span id="L33" class="LineNr">  33 </span>  cursor-line-index: int  <span class="muComment"># index into data</span>
+<span id="L34" class="LineNr">  34 </span>  cursor-y: int  <span class="muComment"># row index on screen</span>
+<span id="L35" class="LineNr">  35 </span>  <a href='trace.mu.html#L553'>unclip-cursor-line?</a>: boolean  <span class="muComment"># extremely short-lived; reset any time cursor moves</span>
+<span id="L36" class="LineNr">  36 </span>  top-line-index: int  <span class="muComment"># start rendering trace past this index into data (updated on re-evaluation)</span>
+<span id="L37" class="LineNr">  37 </span>  top-line-y: int  <span class="muComment"># trace starts rendering at this row index on screen (updated on re-evaluation)</span>
+<span id="L38" class="LineNr">  38 </span>  screen-height: int  <span class="muComment"># initialized during render-trace</span>
+<span id="L39" class="LineNr">  39 </span><span class="Delimiter">}</span>
+<span id="L40" class="LineNr">  40 </span>
+<span id="L41" class="LineNr">  41 </span><span class="PreProc">type</span> <a href='trace.mu.html#L41'>trace-line</a> <span class="Delimiter">{</span>
+<span id="L42" class="LineNr">  42 </span>  depth: int
+<span id="L43" class="LineNr">  43 </span>  label: (handle array byte)
+<span id="L44" class="LineNr">  44 </span>  data: (handle array byte)
+<span id="L45" class="LineNr">  45 </span>  visible?: boolean
+<span id="L46" class="LineNr">  46 </span><span class="Delimiter">}</span>
+<span id="L47" class="LineNr">  47 </span>
+<span id="L48" class="LineNr">  48 </span><span class="muComment">## generating traces</span>
+<span id="L49" class="LineNr">  49 </span>
+<span id="L50" class="LineNr">  50 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L50'>initialize-trace</a></span> _self: (addr trace), max-depth: int, capacity: int, visible-capacity: int <span class="Delimiter">{</span>
+<span id="L51" class="LineNr">  51 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L52" class="LineNr">  52 </span>  compare self, <span class="Constant">0</span>
+<span id="L53" class="LineNr">  53 </span>  <span class="Delimiter">{</span>
+<span id="L54" class="LineNr">  54 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L55" class="LineNr">  55 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L56" class="LineNr">  56 </span>  <span class="Delimiter">}</span>
+<span id="L57" class="LineNr">  57 </span>  <span class="PreProc">var</span> src/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy max-depth
+<span id="L58" class="LineNr">  58 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, max-depth
+<span id="L59" class="LineNr">  59 </span>  copy-to *dest, src
+<span id="L60" class="LineNr">  60 </span>  dest <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L61" class="LineNr">  61 </span>  copy-to *dest, <span class="Constant">1</span>  <span class="muComment"># 0 is the error depth</span>
+<span id="L62" class="LineNr">  62 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L63" class="LineNr">  63 </span>  populate trace-ah, capacity
+<span id="L64" class="LineNr">  64 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
+<span id="L65" class="LineNr">  65 </span>  populate visible-ah, visible-capacity
+<span id="L66" class="LineNr">  66 </span>  <a href='trace.mu.html#L430'>mark-lines-dirty</a> self
+<span id="L67" class="LineNr">  67 </span><span class="Delimiter">}</span>
+<span id="L68" class="LineNr">  68 </span>
+<span id="L69" class="LineNr">  69 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L69'>clear-trace</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L70" class="LineNr">  70 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L71" class="LineNr">  71 </span>  compare self, <span class="Constant">0</span>
+<span id="L72" class="LineNr">  72 </span>  <span class="Delimiter">{</span>
+<span id="L73" class="LineNr">  73 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L74" class="LineNr">  74 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L75" class="LineNr">  75 </span>  <span class="Delimiter">}</span>
+<span id="L76" class="LineNr">  76 </span>  <span class="PreProc">var</span> curr-depth-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L77" class="LineNr">  77 </span>  copy-to *curr-depth-addr, <span class="Constant">1</span>
+<span id="L78" class="LineNr">  78 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L79" class="LineNr">  79 </span>  copy-to *len, <span class="Constant">0</span>
+<span id="L80" class="LineNr">  80 </span>  <span class="muComment"># might leak memory; existing elements won't be used anymore</span>
+<span id="L81" class="LineNr">  81 </span><span class="Delimiter">}</span>
+<span id="L82" class="LineNr">  82 </span>
+<span id="L83" class="LineNr">  83 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L83'>has-errors?</a></span> _self: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L84" class="LineNr">  84 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L85" class="LineNr">  85 </span>  compare self, <span class="Constant">0</span>
+<span id="L86" class="LineNr">  86 </span>  <span class="Delimiter">{</span>
+<span id="L87" class="LineNr">  87 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L88" class="LineNr">  88 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L89" class="LineNr">  89 </span>  <span class="Delimiter">}</span>
+<span id="L90" class="LineNr">  90 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L91" class="LineNr">  91 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L92" class="LineNr">  92 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L93" class="LineNr">  93 </span>  <span class="PreProc">var</span> trace/<span class="Constant">esi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L94" class="LineNr">  94 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L95" class="LineNr">  95 </span>  <span class="Delimiter">{</span>
+<span id="L96" class="LineNr">  96 </span>    compare i, *max
+<span id="L97" class="LineNr">  97 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L98" class="LineNr">  98 </span>    <span class="PreProc">var</span> offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L99" class="LineNr">  99 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L100" class="LineNr"> 100 </span>    <span class="PreProc">var</span> curr-depth-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr, depth
+<span id="L101" class="LineNr"> 101 </span>    compare *curr-depth-a, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L102" class="LineNr"> 102 </span>    <span class="Delimiter">{</span>
+<span id="L103" class="LineNr"> 103 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L104" class="LineNr"> 104 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L105" class="LineNr"> 105 </span>    <span class="Delimiter">}</span>
+<span id="L106" class="LineNr"> 106 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L107" class="LineNr"> 107 </span>    <span class="PreProc">loop</span>
+<span id="L108" class="LineNr"> 108 </span>  <span class="Delimiter">}</span>
+<span id="L109" class="LineNr"> 109 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L110" class="LineNr"> 110 </span><span class="Delimiter">}</span>
+<span id="L111" class="LineNr"> 111 </span>
+<span id="L112" class="LineNr"> 112 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L112'>should-trace?</a></span> _self: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L113" class="LineNr"> 113 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L114" class="LineNr"> 114 </span>  compare self, <span class="Constant">0</span>
+<span id="L115" class="LineNr"> 115 </span>  <span class="Delimiter">{</span>
+<span id="L116" class="LineNr"> 116 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L117" class="LineNr"> 117 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L118" class="LineNr"> 118 </span>  <span class="Delimiter">}</span>
+<span id="L119" class="LineNr"> 119 </span>  <span class="PreProc">var</span> depth-a/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L120" class="LineNr"> 120 </span>  <span class="PreProc">var</span> depth/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *depth-a
+<span id="L121" class="LineNr"> 121 </span>  <span class="PreProc">var</span> max-depth-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, max-depth
+<span id="L122" class="LineNr"> 122 </span>  compare depth, *max-depth-a
+<span id="L123" class="LineNr"> 123 </span>  <span class="Delimiter">{</span>
+<span id="L124" class="LineNr"> 124 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L125" class="LineNr"> 125 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L126" class="LineNr"> 126 </span>  <span class="Delimiter">}</span>
+<span id="L127" class="LineNr"> 127 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L128" class="LineNr"> 128 </span><span class="Delimiter">}</span>
+<span id="L129" class="LineNr"> 129 </span>
+<span id="L130" class="LineNr"> 130 </span><span class="PreProc">fn</span> <span class="muFunction">trace</span> _self: (addr trace), label: (addr array byte), message: (addr stream byte) <span class="Delimiter">{</span>
+<span id="L131" class="LineNr"> 131 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L132" class="LineNr"> 132 </span>  compare self, <span class="Constant">0</span>
+<span id="L133" class="LineNr"> 133 </span>  <span class="Delimiter">{</span>
+<span id="L134" class="LineNr"> 134 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L135" class="LineNr"> 135 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L136" class="LineNr"> 136 </span>  <span class="Delimiter">}</span>
+<span id="L137" class="LineNr"> 137 </span>  <span class="PreProc">var</span> <a href='trace.mu.html#L112'>should-trace?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L112'>should-trace?</a> self
+<span id="L138" class="LineNr"> 138 </span>  compare <a href='trace.mu.html#L112'>should-trace?</a>, <span class="Constant">0</span>/false
+<span id="L139" class="LineNr"> 139 </span>  <span class="Delimiter">{</span>
+<span id="L140" class="LineNr"> 140 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L141" class="LineNr"> 141 </span>    <span class="PreProc">return</span>
+<span id="L142" class="LineNr"> 142 </span>  <span class="Delimiter">}</span>
+<span id="L143" class="LineNr"> 143 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L144" class="LineNr"> 144 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L145" class="LineNr"> 145 </span>  <span class="PreProc">var</span> index-addr/<span class="Constant">edi</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L146" class="LineNr"> 146 </span>  <span class="Delimiter">{</span>
+<span id="L147" class="LineNr"> 147 </span>    compare *index-addr, <span class="Constant">0x8000</span>/lines
+<span id="L148" class="LineNr"> 148 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L149" class="LineNr"> 149 </span>    <span class="PreProc">return</span>
+<span id="L150" class="LineNr"> 150 </span>  <span class="Delimiter">}</span>
+<span id="L151" class="LineNr"> 151 </span>  <span class="PreProc">var</span> index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *index-addr
+<span id="L152" class="LineNr"> 152 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset data, index
+<span id="L153" class="LineNr"> 153 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index data, offset
+<span id="L154" class="LineNr"> 154 </span>  <span class="PreProc">var</span> depth/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L155" class="LineNr"> 155 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> message
+<span id="L156" class="LineNr"> 156 </span>  <span class="Delimiter">{</span>
+<span id="L157" class="LineNr"> 157 </span>    compare *index-addr, <span class="Constant">0x7fff</span>/lines
+<span id="L158" class="LineNr"> 158 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L159" class="LineNr"> 159 </span>    <a href='../106stream.subx.html#L20'>clear-stream</a> message
+<span id="L160" class="LineNr"> 160 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;No space left in trace\n&quot;</span>
+<span id="L161" class="LineNr"> 161 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;Please either:\n&quot;</span>
+<span id="L162" class="LineNr"> 162 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - find a smaller sub-computation to test,\n&quot;</span>
+<span id="L163" class="LineNr"> 163 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - <a href='../120allocate.subx.html#L43'>allocate</a> more space to the trace in initialize-sandbox\n&quot;</span>
+<span id="L164" class="LineNr"> 164 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;    (shell/sandbox.mu), or\n&quot;</span>
+<span id="L165" class="LineNr"> 165 </span>    <a href='../108write.subx.html#L11'>write</a> message, <span class="Constant">&quot;  - move the computation to 'main' and <a href='sandbox.mu.html#L625'>run</a> it using ctrl-r&quot;</span>
+<span id="L166" class="LineNr"> 166 </span>    <a href='trace.mu.html#L214'>initialize-trace-line</a> <span class="Constant">0</span>/depth, <span class="Constant">&quot;error&quot;</span>, message, dest
+<span id="L167" class="LineNr"> 167 </span>    increment *index-addr
+<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">return</span>
+<span id="L169" class="LineNr"> 169 </span>  <span class="Delimiter">}</span>
+<span id="L170" class="LineNr"> 170 </span>  <a href='trace.mu.html#L214'>initialize-trace-line</a> *depth, label, message, dest
+<span id="L171" class="LineNr"> 171 </span>  increment *index-addr
+<span id="L172" class="LineNr"> 172 </span><span class="Delimiter">}</span>
+<span id="L173" class="LineNr"> 173 </span>
+<span id="L174" class="LineNr"> 174 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L174'>trace-text</a></span> self: (addr trace), label: (addr array byte), s: (addr array byte) <span class="Delimiter">{</span>
+<span id="L175" class="LineNr"> 175 </span>  compare self, <span class="Constant">0</span>
+<span id="L176" class="LineNr"> 176 </span>  <span class="Delimiter">{</span>
+<span id="L177" class="LineNr"> 177 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L178" class="LineNr"> 178 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L179" class="LineNr"> 179 </span>  <span class="Delimiter">}</span>
+<span id="L180" class="LineNr"> 180 </span>  <span class="PreProc">var</span> data-storage: (stream byte <span class="Constant">0x100</span>)
+<span id="L181" class="LineNr"> 181 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> address data-storage
+<span id="L182" class="LineNr"> 182 </span>  <a href='../108write.subx.html#L11'>write</a> data, s
+<span id="L183" class="LineNr"> 183 </span>  trace self, label, data
+<span id="L184" class="LineNr"> 184 </span><span class="Delimiter">}</span>
+<span id="L185" class="LineNr"> 185 </span>
+<span id="L186" class="LineNr"> 186 </span><span class="PreProc">fn</span> <span class="Special"><a href='trace.mu.html#L186'>error</a></span> _self: (addr trace), message: (addr array byte) <span class="Delimiter">{</span>
+<span id="L187" class="LineNr"> 187 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L188" class="LineNr"> 188 </span>  compare self, <span class="Constant">0</span>
+<span id="L189" class="LineNr"> 189 </span>  <span class="Delimiter">{</span>
+<span id="L190" class="LineNr"> 190 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L191" class="LineNr"> 191 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L192" class="LineNr"> 192 </span>  <span class="Delimiter">}</span>
+<span id="L193" class="LineNr"> 193 </span>  <span class="PreProc">var</span> curr-depth-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L194" class="LineNr"> 194 </span>  <span class="PreProc">var</span> save-depth/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *curr-depth-a
+<span id="L195" class="LineNr"> 195 </span>  copy-to *curr-depth-a, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L196" class="LineNr"> 196 </span>  <a href='trace.mu.html#L174'>trace-text</a> self, <span class="Constant">&quot;error&quot;</span>, message
+<span id="L197" class="LineNr"> 197 </span>  copy-to *curr-depth-a, save-depth
+<span id="L198" class="LineNr"> 198 </span><span class="Delimiter">}</span>
+<span id="L199" class="LineNr"> 199 </span>
+<span id="L200" class="LineNr"> 200 </span><span class="PreProc">fn</span> <span class="Special"><a href='trace.mu.html#L200'>error-stream</a></span> _self: (addr trace), message: (addr stream byte) <span class="Delimiter">{</span>
+<span id="L201" class="LineNr"> 201 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L202" class="LineNr"> 202 </span>  compare self, <span class="Constant">0</span>
+<span id="L203" class="LineNr"> 203 </span>  <span class="Delimiter">{</span>
+<span id="L204" class="LineNr"> 204 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L205" class="LineNr"> 205 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L206" class="LineNr"> 206 </span>  <span class="Delimiter">}</span>
+<span id="L207" class="LineNr"> 207 </span>  <span class="PreProc">var</span> curr-depth-a/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L208" class="LineNr"> 208 </span>  <span class="PreProc">var</span> save-depth/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *curr-depth-a
+<span id="L209" class="LineNr"> 209 </span>  copy-to *curr-depth-a, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L210" class="LineNr"> 210 </span>  trace self, <span class="Constant">&quot;error&quot;</span>, message
+<span id="L211" class="LineNr"> 211 </span>  copy-to *curr-depth-a, save-depth
+<span id="L212" class="LineNr"> 212 </span><span class="Delimiter">}</span>
+<span id="L213" class="LineNr"> 213 </span>
+<span id="L214" class="LineNr"> 214 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L214'>initialize-trace-line</a></span> depth: int, label: (addr array byte), data: (addr stream byte), _out: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Delimiter">{</span>
+<span id="L215" class="LineNr"> 215 </span>  <span class="PreProc">var</span> out/<span class="Constant">edi</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _out
+<span id="L216" class="LineNr"> 216 </span>  <span class="muComment"># depth</span>
+<span id="L217" class="LineNr"> 217 </span>  <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy depth
+<span id="L218" class="LineNr"> 218 </span>  <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get out, depth
+<span id="L219" class="LineNr"> 219 </span>  copy-to *dest, src
+<span id="L220" class="LineNr"> 220 </span>  <span class="muComment"># label</span>
+<span id="L221" class="LineNr"> 221 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get out, label
+<span id="L222" class="LineNr"> 222 </span>  <a href='../312copy.subx.html#L3'>copy-array-object</a> label, dest
+<span id="L223" class="LineNr"> 223 </span>  <span class="muComment"># data</span>
+<span id="L224" class="LineNr"> 224 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get out, data
+<span id="L225" class="LineNr"> 225 </span>  <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> data, dest
+<span id="L226" class="LineNr"> 226 </span><span class="Delimiter">}</span>
+<span id="L227" class="LineNr"> 227 </span>
+<span id="L228" class="LineNr"> 228 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L228'>trace-lower</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L229" class="LineNr"> 229 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L230" class="LineNr"> 230 </span>  compare self, <span class="Constant">0</span>
+<span id="L231" class="LineNr"> 231 </span>  <span class="Delimiter">{</span>
+<span id="L232" class="LineNr"> 232 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L233" class="LineNr"> 233 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L234" class="LineNr"> 234 </span>  <span class="Delimiter">}</span>
+<span id="L235" class="LineNr"> 235 </span>  <span class="PreProc">var</span> depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L236" class="LineNr"> 236 </span>  increment *depth
+<span id="L237" class="LineNr"> 237 </span><span class="Delimiter">}</span>
+<span id="L238" class="LineNr"> 238 </span>
+<span id="L239" class="LineNr"> 239 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L239'>trace-higher</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L240" class="LineNr"> 240 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L241" class="LineNr"> 241 </span>  compare self, <span class="Constant">0</span>
+<span id="L242" class="LineNr"> 242 </span>  <span class="Delimiter">{</span>
+<span id="L243" class="LineNr"> 243 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L244" class="LineNr"> 244 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L245" class="LineNr"> 245 </span>  <span class="Delimiter">}</span>
+<span id="L246" class="LineNr"> 246 </span>  <span class="PreProc">var</span> depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, curr-depth
+<span id="L247" class="LineNr"> 247 </span>  decrement *depth
+<span id="L248" class="LineNr"> 248 </span><span class="Delimiter">}</span>
+<span id="L249" class="LineNr"> 249 </span>
+<span id="L250" class="LineNr"> 250 </span><span class="muComment">## checking traces</span>
+<span id="L251" class="LineNr"> 251 </span>
+<span id="L252" class="LineNr"> 252 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L252'>check-trace-scans-to</a></span> self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) <span class="Delimiter">{</span>
+<span id="L253" class="LineNr"> 253 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L257'>trace-scans-to?</a> self, label, data
+<span id="L254" class="LineNr"> 254 </span>  <a href='../502test.mu.html#L19'>check</a> tmp, message
+<span id="L255" class="LineNr"> 255 </span><span class="Delimiter">}</span>
+<span id="L256" class="LineNr"> 256 </span>
+<span id="L257" class="LineNr"> 257 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L257'>trace-scans-to?</a></span> _self: (addr trace), label: (addr array byte), data: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L258" class="LineNr"> 258 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L259" class="LineNr"> 259 </span>  <span class="PreProc">var</span> start/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, first-full
+<span id="L260" class="LineNr"> 260 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L302'>trace-contains?</a> self, label, data, *start
+<span id="L261" class="LineNr"> 261 </span>  <span class="PreProc">return</span> result
+<span id="L262" class="LineNr"> 262 </span><span class="Delimiter">}</span>
+<span id="L263" class="LineNr"> 263 </span>
+<span id="L264" class="LineNr"> 264 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L264'>test-trace-scans-to</a></span> <span class="Delimiter">{</span>
+<span id="L265" class="LineNr"> 265 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L266" class="LineNr"> 266 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L267" class="LineNr"> 267 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
+<span id="L268" class="LineNr"> 268 </span>  <span class="muComment">#</span>
+<span id="L269" class="LineNr"> 269 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L270" class="LineNr"> 270 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L271" class="LineNr"> 271 </span>  <a href='trace.mu.html#L252'>check-trace-scans-to</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L264'>test-trace-scans-to</a>/0&quot;</span>
+<span id="L272" class="LineNr"> 272 </span>  <a href='trace.mu.html#L252'>check-trace-scans-to</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L264'>test-trace-scans-to</a>/1&quot;</span>
+<span id="L273" class="LineNr"> 273 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L257'>trace-scans-to?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L274" class="LineNr"> 274 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L264'>test-trace-scans-to</a>: fail on previously encountered lines&quot;</span>
+<span id="L275" class="LineNr"> 275 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L257'>trace-scans-to?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L276" class="LineNr"> 276 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L264'>test-trace-scans-to</a>: fail on missing&quot;</span>
+<span id="L277" class="LineNr"> 277 </span><span class="Delimiter">}</span>
+<span id="L278" class="LineNr"> 278 </span>
+<span id="L279" class="LineNr"> 279 </span><span class="muComment"># scan trace from start</span>
+<span id="L280" class="LineNr"> 280 </span><span class="muComment"># resets previous scans</span>
+<span id="L281" class="LineNr"> 281 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L281'>check-trace-contains</a></span> self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) <span class="Delimiter">{</span>
+<span id="L282" class="LineNr"> 282 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L302'>trace-contains?</a> self, label, data, <span class="Constant">0</span>
+<span id="L283" class="LineNr"> 283 </span>  <a href='../502test.mu.html#L19'>check</a> tmp, message
+<span id="L284" class="LineNr"> 284 </span><span class="Delimiter">}</span>
+<span id="L285" class="LineNr"> 285 </span>
+<span id="L286" class="LineNr"> 286 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L286'>test-trace-contains</a></span> <span class="Delimiter">{</span>
+<span id="L287" class="LineNr"> 287 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L288" class="LineNr"> 288 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L289" class="LineNr"> 289 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
+<span id="L290" class="LineNr"> 290 </span>  <span class="muComment">#</span>
+<span id="L291" class="LineNr"> 291 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L292" class="LineNr"> 292 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L293" class="LineNr"> 293 </span>  <a href='trace.mu.html#L281'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L286'>test-trace-contains</a>/0&quot;</span>
+<span id="L294" class="LineNr"> 294 </span>  <a href='trace.mu.html#L281'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L286'>test-trace-contains</a>/1&quot;</span>
+<span id="L295" class="LineNr"> 295 </span>  <a href='trace.mu.html#L281'>check-trace-contains</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L286'>test-trace-contains</a>: find previously encountered lines&quot;</span>
+<span id="L296" class="LineNr"> 296 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L302'>trace-contains?</a> t, <span class="Constant">&quot;label&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>, <span class="Constant">0</span>/start
+<span id="L297" class="LineNr"> 297 </span>  <a href='../502test.mu.html#L32'>check-not</a> tmp, <span class="Constant">&quot;F - <a href='trace.mu.html#L286'>test-trace-contains</a>: fail on missing&quot;</span>
+<span id="L298" class="LineNr"> 298 </span><span class="Delimiter">}</span>
+<span id="L299" class="LineNr"> 299 </span>
+<span id="L300" class="LineNr"> 300 </span><span class="muComment"># this is super-inefficient, string comparing every trace line</span>
+<span id="L301" class="LineNr"> 301 </span><span class="muComment"># against every visible line on every render</span>
+<span id="L302" class="LineNr"> 302 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L302'>trace-contains?</a></span> _self: (addr trace), label: (addr array byte), data: (addr array byte), start: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L303" class="LineNr"> 303 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L304" class="LineNr"> 304 </span>  <span class="PreProc">var</span> candidates-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L305" class="LineNr"> 305 </span>  <span class="PreProc">var</span> candidates/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *candidates-ah
+<span id="L306" class="LineNr"> 306 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy start
+<span id="L307" class="LineNr"> 307 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L308" class="LineNr"> 308 </span>  <span class="Delimiter">{</span>
+<span id="L309" class="LineNr"> 309 </span>    compare i, *max
+<span id="L310" class="LineNr"> 310 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L311" class="LineNr"> 311 </span>    <span class="Delimiter">{</span>
+<span id="L312" class="LineNr"> 312 </span>      <span class="PreProc">var</span> read-until-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, first-full
+<span id="L313" class="LineNr"> 313 </span>      copy-to *read-until-index, i
+<span id="L314" class="LineNr"> 314 </span>    <span class="Delimiter">}</span>
+<span id="L315" class="LineNr"> 315 </span>    <span class="Delimiter">{</span>
+<span id="L316" class="LineNr"> 316 </span>      <span class="PreProc">var</span> curr-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset candidates, i
+<span id="L317" class="LineNr"> 317 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index candidates, curr-offset
+<span id="L318" class="LineNr"> 318 </span>      <span class="muComment"># if curr-&gt;label does not match, return false</span>
+<span id="L319" class="LineNr"> 319 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
+<span id="L320" class="LineNr"> 320 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
+<span id="L321" class="LineNr"> 321 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, label
+<span id="L322" class="LineNr"> 322 </span>      compare match?, <span class="Constant">0</span>/false
+<span id="L323" class="LineNr"> 323 </span>      <span class="PreProc">break-if-=</span>
+<span id="L324" class="LineNr"> 324 </span>      <span class="muComment"># if curr-&gt;data does not match, return false</span>
+<span id="L325" class="LineNr"> 325 </span>      <span class="PreProc">var</span> curr-data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, data
+<span id="L326" class="LineNr"> 326 </span>      <span class="PreProc">var</span> curr-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-data-ah
+<span id="L327" class="LineNr"> 327 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-data, data
+<span id="L328" class="LineNr"> 328 </span>      compare match?, <span class="Constant">0</span>/false
+<span id="L329" class="LineNr"> 329 </span>      <span class="PreProc">break-if-=</span>
+<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L331" class="LineNr"> 331 </span>    <span class="Delimiter">}</span>
+<span id="L332" class="LineNr"> 332 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L333" class="LineNr"> 333 </span>    <span class="PreProc">loop</span>
+<span id="L334" class="LineNr"> 334 </span>  <span class="Delimiter">}</span>
+<span id="L335" class="LineNr"> 335 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L336" class="LineNr"> 336 </span><span class="Delimiter">}</span>
+<span id="L337" class="LineNr"> 337 </span>
+<span id="L338" class="LineNr"> 338 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L338'>trace-lines-equal?</a></span> _a: (addr <a href='trace.mu.html#L41'>trace-line</a>), _b: (addr <a href='trace.mu.html#L41'>trace-line</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L339" class="LineNr"> 339 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _a
+<span id="L340" class="LineNr"> 340 </span>  <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _b
+<span id="L341" class="LineNr"> 341 </span>  <span class="PreProc">var</span> a-depth/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get a, depth
+<span id="L342" class="LineNr"> 342 </span>  <span class="PreProc">var</span> b-depth/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get b, depth
+<span id="L343" class="LineNr"> 343 </span>  <span class="PreProc">var</span> benchmark/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *b-depth
+<span id="L344" class="LineNr"> 344 </span>  compare *a-depth, benchmark
+<span id="L345" class="LineNr"> 345 </span>  <span class="Delimiter">{</span>
+<span id="L346" class="LineNr"> 346 </span>    <span class="PreProc">break-if-=</span>
+<span id="L347" class="LineNr"> 347 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L348" class="LineNr"> 348 </span>  <span class="Delimiter">}</span>
+<span id="L349" class="LineNr"> 349 </span>  <span class="PreProc">var</span> a-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get a, label
+<span id="L350" class="LineNr"> 350 </span>  <span class="PreProc">var</span> _a-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-label-ah
+<span id="L351" class="LineNr"> 351 </span>  <span class="PreProc">var</span> a-label/<span class="Constant">ecx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _a-label
+<span id="L352" class="LineNr"> 352 </span>  <span class="PreProc">var</span> b-label-ah/<span class="Constant">ebx</span>: (addr handle array byte) <span class="Special">&lt;-</span> get b, label
+<span id="L353" class="LineNr"> 353 </span>  <span class="PreProc">var</span> b-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-label-ah
+<span id="L354" class="LineNr"> 354 </span>  <span class="PreProc">var</span> label-match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> a-label, b-label
+<span id="L355" class="LineNr"> 355 </span>  <span class="Delimiter">{</span>
+<span id="L356" class="LineNr"> 356 </span>    compare label-match?, <span class="Constant">0</span>/false
+<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L358" class="LineNr"> 358 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L359" class="LineNr"> 359 </span>  <span class="Delimiter">}</span>
+<span id="L360" class="LineNr"> 360 </span>  <span class="PreProc">var</span> a-data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get a, data
+<span id="L361" class="LineNr"> 361 </span>  <span class="PreProc">var</span> _a-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *a-data-ah
+<span id="L362" class="LineNr"> 362 </span>  <span class="PreProc">var</span> a-data/<span class="Constant">ecx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _a-data
+<span id="L363" class="LineNr"> 363 </span>  <span class="PreProc">var</span> b-data-ah/<span class="Constant">ebx</span>: (addr handle array byte) <span class="Special">&lt;-</span> get b, data
+<span id="L364" class="LineNr"> 364 </span>  <span class="PreProc">var</span> b-data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *b-data-ah
+<span id="L365" class="LineNr"> 365 </span>  <span class="PreProc">var</span> data-match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> a-data, b-data
+<span id="L366" class="LineNr"> 366 </span>  <span class="PreProc">return</span> data-match?
+<span id="L367" class="LineNr"> 367 </span><span class="Delimiter">}</span>
+<span id="L368" class="LineNr"> 368 </span>
+<span id="L369" class="LineNr"> 369 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L369'>dump-trace</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L370" class="LineNr"> 370 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L371" class="LineNr"> 371 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L372" class="LineNr"> 372 </span>  compare self, <span class="Constant">0</span>
+<span id="L373" class="LineNr"> 373 </span>  <span class="Delimiter">{</span>
+<span id="L374" class="LineNr"> 374 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L375" class="LineNr"> 375 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L376" class="LineNr"> 376 </span>  <span class="Delimiter">}</span>
+<span id="L377" class="LineNr"> 377 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L378" class="LineNr"> 378 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L379" class="LineNr"> 379 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L380" class="LineNr"> 380 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L381" class="LineNr"> 381 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L382" class="LineNr"> 382 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
+<span id="L383" class="LineNr"> 383 </span>  $dump-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L384" class="LineNr"> 384 </span>    compare i, max
+<span id="L385" class="LineNr"> 385 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L386" class="LineNr"> 386 </span>    $dump-trace:iter: <span class="Delimiter">{</span>
+<span id="L387" class="LineNr"> 387 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L388" class="LineNr"> 388 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L389" class="LineNr"> 389 </span>      y <span class="Special">&lt;-</span> <a href='trace.mu.html#L572'>render-trace-line</a> <span class="Constant">0</span>/screen, curr, <span class="Constant">0</span>, y, <span class="Constant">0x80</span>/width, <span class="Constant">0x30</span>/height, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg, <span class="Constant">0</span>/clip
+<span id="L390" class="LineNr"> 390 </span>    <span class="Delimiter">}</span>
+<span id="L391" class="LineNr"> 391 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L392" class="LineNr"> 392 </span>    <span class="PreProc">loop</span>
+<span id="L393" class="LineNr"> 393 </span>  <span class="Delimiter">}</span>
+<span id="L394" class="LineNr"> 394 </span><span class="Delimiter">}</span>
+<span id="L395" class="LineNr"> 395 </span>
+<span id="L396" class="LineNr"> 396 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L396'>dump-trace-with-label</a></span> _self: (addr trace), label: (addr array byte) <span class="Delimiter">{</span>
+<span id="L397" class="LineNr"> 397 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L398" class="LineNr"> 398 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L399" class="LineNr"> 399 </span>  compare self, <span class="Constant">0</span>
+<span id="L400" class="LineNr"> 400 </span>  <span class="Delimiter">{</span>
+<span id="L401" class="LineNr"> 401 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L402" class="LineNr"> 402 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L403" class="LineNr"> 403 </span>  <span class="Delimiter">}</span>
+<span id="L404" class="LineNr"> 404 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L405" class="LineNr"> 405 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L406" class="LineNr"> 406 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L407" class="LineNr"> 407 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L408" class="LineNr"> 408 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L409" class="LineNr"> 409 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
+<span id="L410" class="LineNr"> 410 </span>  $dump-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L411" class="LineNr"> 411 </span>    compare i, max
+<span id="L412" class="LineNr"> 412 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L413" class="LineNr"> 413 </span>    $dump-trace:iter: <span class="Delimiter">{</span>
+<span id="L414" class="LineNr"> 414 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L415" class="LineNr"> 415 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L416" class="LineNr"> 416 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
+<span id="L417" class="LineNr"> 417 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
+<span id="L418" class="LineNr"> 418 </span>      <span class="PreProc">var</span> show?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../105string-equal.subx.html#L8'>string-equal?</a> curr-label, label
+<span id="L419" class="LineNr"> 419 </span>      compare show?, <span class="Constant">0</span>/false
+<span id="L420" class="LineNr"> 420 </span>      <span class="PreProc">break-if-=</span>
+<span id="L421" class="LineNr"> 421 </span>      y <span class="Special">&lt;-</span> <a href='trace.mu.html#L572'>render-trace-line</a> <span class="Constant">0</span>/screen, curr, <span class="Constant">0</span>, y, <span class="Constant">0x80</span>/width, <span class="Constant">0x30</span>/height, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg, <span class="Constant">0</span>/clip
+<span id="L422" class="LineNr"> 422 </span>    <span class="Delimiter">}</span>
+<span id="L423" class="LineNr"> 423 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L424" class="LineNr"> 424 </span>    <span class="PreProc">loop</span>
+<span id="L425" class="LineNr"> 425 </span>  <span class="Delimiter">}</span>
+<span id="L426" class="LineNr"> 426 </span><span class="Delimiter">}</span>
+<span id="L427" class="LineNr"> 427 </span>
+<span id="L428" class="LineNr"> 428 </span><span class="muComment">## UI stuff</span>
+<span id="L429" class="LineNr"> 429 </span>
+<span id="L430" class="LineNr"> 430 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L430'>mark-lines-dirty</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L431" class="LineNr"> 431 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L432" class="LineNr"> 432 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recreate-caches?
+<span id="L433" class="LineNr"> 433 </span>  copy-to *dest, <span class="Constant">1</span>/true
+<span id="L434" class="LineNr"> 434 </span><span class="Delimiter">}</span>
+<span id="L435" class="LineNr"> 435 </span>
+<span id="L436" class="LineNr"> 436 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L436'>mark-lines-clean</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L437" class="LineNr"> 437 </span>  <span class="PreProc">var</span> self/<span class="Constant">eax</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L438" class="LineNr"> 438 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recreate-caches?
+<span id="L439" class="LineNr"> 439 </span>  copy-to *dest, <span class="Constant">0</span>/false
+<span id="L440" class="LineNr"> 440 </span><span class="Delimiter">}</span>
+<span id="L441" class="LineNr"> 441 </span>
+<span id="L442" class="LineNr"> 442 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L442'>render-trace</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr trace), xmin: int, ymin: int, xmax: int, ymax: int, show-cursor?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L443" class="LineNr"> 443 </span>  <span class="PreProc">var</span> already-hiding-lines?: boolean
+<span id="L444" class="LineNr"> 444 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L445" class="LineNr"> 445 </span>  compare self, <span class="Constant">0</span>
+<span id="L446" class="LineNr"> 446 </span>  <span class="Delimiter">{</span>
+<span id="L447" class="LineNr"> 447 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L448" class="LineNr"> 448 </span>    <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;null trace&quot;</span>
+<span id="L449" class="LineNr"> 449 </span>  <span class="Delimiter">}</span>
+<span id="L450" class="LineNr"> 450 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L451" class="LineNr"> 451 </span>  <span class="muComment"># recreate caches if necessary</span>
+<span id="L452" class="LineNr"> 452 </span>  <span class="PreProc">var</span> recreate-caches?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, recreate-caches?
+<span id="L453" class="LineNr"> 453 </span>  compare *recreate-caches?, <span class="Constant">0</span>/false
+<span id="L454" class="LineNr"> 454 </span>  <span class="Delimiter">{</span>
+<span id="L455" class="LineNr"> 455 </span>    <span class="PreProc">break-if-=</span>
+<span id="L456" class="LineNr"> 456 </span>    <span class="muComment"># cache ymin</span>
+<span id="L457" class="LineNr"> 457 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-y
+<span id="L458" class="LineNr"> 458 </span>    copy-to *dest, y
+<span id="L459" class="LineNr"> 459 </span>    <span class="muComment"># cache ymax</span>
+<span id="L460" class="LineNr"> 460 </span>    <span class="PreProc">var</span> ymax/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymax
+<span id="L461" class="LineNr"> 461 </span>    dest <span class="Special">&lt;-</span> get self, screen-height
+<span id="L462" class="LineNr"> 462 </span>    copy-to *dest, ymax
+<span id="L463" class="LineNr"> 463 </span>    <span class="muComment">#</span>
+<span id="L464" class="LineNr"> 464 </span>    <a href='trace.mu.html#L615'>recompute-all-visible-lines</a> self
+<span id="L465" class="LineNr"> 465 </span>    <a href='trace.mu.html#L436'>mark-lines-clean</a> self
+<span id="L466" class="LineNr"> 466 </span>  <span class="Delimiter">}</span>
+<span id="L467" class="LineNr"> 467 </span>  <a href='trace.mu.html#L662'>clamp-cursor-to-top</a> self, y
+<span id="L468" class="LineNr"> 468 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L469" class="LineNr"> 469 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L470" class="LineNr"> 470 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L471" class="LineNr"> 471 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L472" class="LineNr"> 472 </span>  <span class="PreProc">var</span> max/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *max-addr
+<span id="L473" class="LineNr"> 473 </span>  <span class="muComment"># display trace depth (not in tests)</span>
+<span id="L474" class="LineNr"> 474 </span>  $render-trace:render-depth: <span class="Delimiter">{</span>
+<span id="L475" class="LineNr"> 475 </span>    compare max, <span class="Constant">0</span>
+<span id="L476" class="LineNr"> 476 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L477" class="LineNr"> 477 </span>    <span class="PreProc">var</span> max-depth/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, max-depth
+<span id="L478" class="LineNr"> 478 </span>    <span class="Delimiter">{</span>
+<span id="L479" class="LineNr"> 479 </span>      <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L480" class="LineNr"> 480 </span>      <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L481" class="LineNr"> 481 </span>      width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L482" class="LineNr"> 482 </span>      compare width, <span class="Constant">0x80</span>
+<span id="L483" class="LineNr"> 483 </span>      <span class="PreProc">break-if-&lt;</span> $render-trace:render-depth
+<span id="L484" class="LineNr"> 484 </span>    <span class="Delimiter">}</span>
+<span id="L485" class="LineNr"> 485 </span>    <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x70</span>/x, y
+<span id="L486" class="LineNr"> 486 </span>    <a href='../501draw-text.mu.html#L141'>draw-text-rightward-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;trace depth: &quot;</span>, <span class="Constant">0x17</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L487" class="LineNr"> 487 </span>    <a href='../501draw-text.mu.html#L387'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *max-depth, <span class="Constant">0x7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L488" class="LineNr"> 488 </span>  <span class="Delimiter">}</span>
+<span id="L489" class="LineNr"> 489 </span>  <span class="PreProc">var</span> top-line-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-index
+<span id="L490" class="LineNr"> 490 </span>  <span class="PreProc">var</span> i/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy *top-line-addr
+<span id="L491" class="LineNr"> 491 </span>  $render-trace:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L492" class="LineNr"> 492 </span>    compare i, max
+<span id="L493" class="LineNr"> 493 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L494" class="LineNr"> 494 </span>    compare y, ymax
+<span id="L495" class="LineNr"> 495 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L496" class="LineNr"> 496 </span>    $render-trace:iter: <span class="Delimiter">{</span>
+<span id="L497" class="LineNr"> 497 </span>      <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L498" class="LineNr"> 498 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L499" class="LineNr"> 499 </span>      <span class="PreProc">var</span> curr-label-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get curr, label
+<span id="L500" class="LineNr"> 500 </span>      <span class="PreProc">var</span> curr-label/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-label-ah
+<span id="L501" class="LineNr"> 501 </span>      <span class="PreProc">var</span> bg: int
+<span id="L502" class="LineNr"> 502 </span>      copy-to bg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L503" class="LineNr"> 503 </span>      <span class="PreProc">var</span> fg: int
+<span id="L504" class="LineNr"> 504 </span>      copy-to fg, <span class="Constant">0x38</span>/fg=trace
+<span id="L505" class="LineNr"> 505 </span>      compare show-cursor?, <span class="Constant">0</span>/false
+<span id="L506" class="LineNr"> 506 </span>      <span class="Delimiter">{</span>
+<span id="L507" class="LineNr"> 507 </span>        <span class="PreProc">break-if-=</span>
+<span id="L508" class="LineNr"> 508 </span>        <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L509" class="LineNr"> 509 </span>        compare *cursor-y, y
+<span id="L510" class="LineNr"> 510 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L511" class="LineNr"> 511 </span>        copy-to bg, <span class="Constant">7</span>/trace-cursor-line-bg
+<span id="L512" class="LineNr"> 512 </span>        copy-to fg, <span class="Constant">0x68</span>/cursor-line-fg=sober-blue
+<span id="L513" class="LineNr"> 513 </span>        <span class="PreProc">var</span> cursor-line-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L514" class="LineNr"> 514 </span>        copy-to *cursor-line-index, i
+<span id="L515" class="LineNr"> 515 </span>      <span class="Delimiter">}</span>
+<span id="L516" class="LineNr"> 516 </span>      <span class="muComment"># always display errors</span>
+<span id="L517" class="LineNr"> 517 </span>      <span class="Delimiter">{</span>
+<span id="L518" class="LineNr"> 518 </span>        <span class="PreProc">var</span> curr-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr, depth
+<span id="L519" class="LineNr"> 519 </span>        compare *curr-depth, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L520" class="LineNr"> 520 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L521" class="LineNr"> 521 </span>        y <span class="Special">&lt;-</span> <a href='trace.mu.html#L572'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, curr, xmin, y, xmax, ymax, <span class="Constant">0xc</span>/fg=trace-error, bg, <span class="Constant">0</span>/clip
+<span id="L522" class="LineNr"> 522 </span>        copy-to already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L523" class="LineNr"> 523 </span>        <span class="PreProc">break</span> $render-trace:iter
+<span id="L524" class="LineNr"> 524 </span>      <span class="Delimiter">}</span>
+<span id="L525" class="LineNr"> 525 </span>      <span class="muComment"># display expanded lines</span>
+<span id="L526" class="LineNr"> 526 </span>      <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L607'>should-render?</a> curr
+<span id="L527" class="LineNr"> 527 </span>      <span class="Delimiter">{</span>
+<span id="L528" class="LineNr"> 528 </span>        compare display?, <span class="Constant">0</span>/false
+<span id="L529" class="LineNr"> 529 </span>        <span class="PreProc">break-if-=</span>
+<span id="L530" class="LineNr"> 530 </span>        <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a> self, i
+<span id="L531" class="LineNr"> 531 </span>        y <span class="Special">&lt;-</span> <a href='trace.mu.html#L572'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, curr, xmin, y, xmax, ymax, fg, bg, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L532" class="LineNr"> 532 </span>        copy-to already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L533" class="LineNr"> 533 </span>        <span class="PreProc">break</span> $render-trace:iter
+<span id="L534" class="LineNr"> 534 </span>      <span class="Delimiter">}</span>
+<span id="L535" class="LineNr"> 535 </span>      <span class="muComment"># ignore the rest</span>
+<span id="L536" class="LineNr"> 536 </span>      compare already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L537" class="LineNr"> 537 </span>      <span class="Delimiter">{</span>
+<span id="L538" class="LineNr"> 538 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L539" class="LineNr"> 539 </span>        <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L540" class="LineNr"> 540 </span>        x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;...&quot;</span>, xmin, ymin, xmax, ymax, x, y, fg, bg
+<span id="L541" class="LineNr"> 541 </span>        y <span class="Special">&lt;-</span> increment
+<span id="L542" class="LineNr"> 542 </span>        copy-to already-hiding-lines?, <span class="Constant">1</span>/true
+<span id="L543" class="LineNr"> 543 </span>      <span class="Delimiter">}</span>
+<span id="L544" class="LineNr"> 544 </span>    <span class="Delimiter">}</span>
+<span id="L545" class="LineNr"> 545 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L546" class="LineNr"> 546 </span>    <span class="PreProc">loop</span>
+<span id="L547" class="LineNr"> 547 </span>  <span class="Delimiter">}</span>
+<span id="L548" class="LineNr"> 548 </span>  <span class="muComment"># prevent cursor from going too far down</span>
+<span id="L549" class="LineNr"> 549 </span>  <a href='trace.mu.html#L673'>clamp-cursor-to-bottom</a> self, y, <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin, xmax, ymax
+<span id="L550" class="LineNr"> 550 </span>  <span class="PreProc">return</span> y
+<span id="L551" class="LineNr"> 551 </span><span class="Delimiter">}</span>
+<span id="L552" class="LineNr"> 552 </span>
+<span id="L553" class="LineNr"> 553 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L553'>unclip-cursor-line?</a></span> _self: (addr trace), _i: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L554" class="LineNr"> 554 </span>  <span class="muComment"># if unclip? and i == *cursor-line-index, render unclipped</span>
+<span id="L555" class="LineNr"> 555 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L556" class="LineNr"> 556 </span>  <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L557" class="LineNr"> 557 </span>  compare *unclip-cursor-line?, <span class="Constant">0</span>/false
+<span id="L558" class="LineNr"> 558 </span>  <span class="Delimiter">{</span>
+<span id="L559" class="LineNr"> 559 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L560" class="LineNr"> 560 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L561" class="LineNr"> 561 </span>  <span class="Delimiter">}</span>
+<span id="L562" class="LineNr"> 562 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L563" class="LineNr"> 563 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _i
+<span id="L564" class="LineNr"> 564 </span>  compare i, *cursor-line-index
+<span id="L565" class="LineNr"> 565 </span>  <span class="Delimiter">{</span>
+<span id="L566" class="LineNr"> 566 </span>    <span class="PreProc">break-if-=</span>
+<span id="L567" class="LineNr"> 567 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L568" class="LineNr"> 568 </span>  <span class="Delimiter">}</span>
+<span id="L569" class="LineNr"> 569 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L570" class="LineNr"> 570 </span><span class="Delimiter">}</span>
+<span id="L571" class="LineNr"> 571 </span>
+<span id="L572" class="LineNr"> 572 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L572'>render-trace-line</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='trace.mu.html#L41'>trace-line</a>), xmin: int, ymin: int, xmax: int, ymax: int, fg: int, bg: int, unclip?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L573" class="LineNr"> 573 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L574" class="LineNr"> 574 </span>  <span class="PreProc">var</span> xsave/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy xmin
+<span id="L575" class="LineNr"> 575 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy ymin
+<span id="L576" class="LineNr"> 576 </span>  <span class="muComment"># show depth for non-errors</span>
+<span id="L577" class="LineNr"> 577 </span>  <span class="PreProc">var</span> depth-a/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, depth
+<span id="L578" class="LineNr"> 578 </span>  compare *depth-a, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L579" class="LineNr"> 579 </span>  <span class="Delimiter">{</span>
+<span id="L580" class="LineNr"> 580 </span>    <span class="PreProc">break-if-=</span>
+<span id="L581" class="LineNr"> 581 </span>    <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xsave
+<span id="L582" class="LineNr"> 582 </span>    <span class="Delimiter">{</span>
+<span id="L583" class="LineNr"> 583 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L340'>draw-int32-decimal-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, *depth-a, xmin, ymin, xmax, ymax, x, y, fg, bg
+<span id="L584" class="LineNr"> 584 </span>      x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; &quot;</span>, xmin, ymin, xmax, ymax, x, y, fg, bg
+<span id="L585" class="LineNr"> 585 </span>      <span class="muComment"># don't show label in UI; it's just for tests</span>
+<span id="L586" class="LineNr"> 586 </span>    <span class="Delimiter">}</span>
+<span id="L587" class="LineNr"> 587 </span>    xsave <span class="Special">&lt;-</span> copy x
+<span id="L588" class="LineNr"> 588 </span>  <span class="Delimiter">}</span>
+<span id="L589" class="LineNr"> 589 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, data
+<span id="L590" class="LineNr"> 590 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L591" class="LineNr"> 591 </span>  <span class="PreProc">var</span> data/<span class="Constant">ebx</span>: (addr array byte) <span class="Special">&lt;-</span> copy _data
+<span id="L592" class="LineNr"> 592 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy xsave
+<span id="L593" class="LineNr"> 593 </span>  compare unclip?, <span class="Constant">0</span>/false
+<span id="L594" class="LineNr"> 594 </span>  <span class="Delimiter">{</span>
+<span id="L595" class="LineNr"> 595 </span>    <span class="PreProc">break-if-=</span>
+<span id="L596" class="LineNr"> 596 </span>    x, y <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, xmin, ymin, xmax, ymax, x, y, fg, bg
+<span id="L597" class="LineNr"> 597 </span>  <span class="Delimiter">}</span>
+<span id="L598" class="LineNr"> 598 </span>  compare unclip?, <span class="Constant">0</span>/false
+<span id="L599" class="LineNr"> 599 </span>  <span class="Delimiter">{</span>
+<span id="L600" class="LineNr"> 600 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L601" class="LineNr"> 601 </span>    x <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, data, x, xmax, y, fg, bg
+<span id="L602" class="LineNr"> 602 </span>  <span class="Delimiter">}</span>
+<span id="L603" class="LineNr"> 603 </span>  y <span class="Special">&lt;-</span> increment
+<span id="L604" class="LineNr"> 604 </span>  <span class="PreProc">return</span> y
+<span id="L605" class="LineNr"> 605 </span><span class="Delimiter">}</span>
+<span id="L606" class="LineNr"> 606 </span>
+<span id="L607" class="LineNr"> 607 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L607'>should-render?</a></span> _line: (addr <a href='trace.mu.html#L41'>trace-line</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L608" class="LineNr"> 608 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
+<span id="L609" class="LineNr"> 609 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
+<span id="L610" class="LineNr"> 610 </span>  <span class="PreProc">return</span> *result
+<span id="L611" class="LineNr"> 611 </span><span class="Delimiter">}</span>
+<span id="L612" class="LineNr"> 612 </span>
+<span id="L613" class="LineNr"> 613 </span><span class="muComment"># This is super-inefficient, string-comparing every trace line</span>
+<span id="L614" class="LineNr"> 614 </span><span class="muComment"># against every visible line.</span>
+<span id="L615" class="LineNr"> 615 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L615'>recompute-all-visible-lines</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L616" class="LineNr"> 616 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L617" class="LineNr"> 617 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L618" class="LineNr"> 618 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L619" class="LineNr"> 619 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L620" class="LineNr"> 620 </span>  <span class="PreProc">var</span> trace/<span class="Constant">esi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L621" class="LineNr"> 621 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L622" class="LineNr"> 622 </span>  <span class="Delimiter">{</span>
+<span id="L623" class="LineNr"> 623 </span>    compare i, *max-addr
+<span id="L624" class="LineNr"> 624 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L625" class="LineNr"> 625 </span>    <span class="PreProc">var</span> offset/<span class="Constant">ebx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L626" class="LineNr"> 626 </span>    <span class="PreProc">var</span> curr/<span class="Constant">ebx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L627" class="LineNr"> 627 </span>    <a href='trace.mu.html#L633'>recompute-visibility</a> _self, curr
+<span id="L628" class="LineNr"> 628 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L629" class="LineNr"> 629 </span>    <span class="PreProc">loop</span>
+<span id="L630" class="LineNr"> 630 </span>  <span class="Delimiter">}</span>
+<span id="L631" class="LineNr"> 631 </span><span class="Delimiter">}</span>
+<span id="L632" class="LineNr"> 632 </span>
+<span id="L633" class="LineNr"> 633 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L633'>recompute-visibility</a></span> _self: (addr trace), _line: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Delimiter">{</span>
+<span id="L634" class="LineNr"> 634 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L635" class="LineNr"> 635 </span>  <span class="muComment"># recompute</span>
+<span id="L636" class="LineNr"> 636 </span>  <span class="PreProc">var</span> candidates-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
+<span id="L637" class="LineNr"> 637 </span>  <span class="PreProc">var</span> candidates/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *candidates-ah
+<span id="L638" class="LineNr"> 638 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L639" class="LineNr"> 639 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length candidates
+<span id="L640" class="LineNr"> 640 </span>  <span class="Delimiter">{</span>
+<span id="L641" class="LineNr"> 641 </span>    compare i, len
+<span id="L642" class="LineNr"> 642 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L643" class="LineNr"> 643 </span>    <span class="Delimiter">{</span>
+<span id="L644" class="LineNr"> 644 </span>      <span class="PreProc">var</span> curr-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset candidates, i
+<span id="L645" class="LineNr"> 645 </span>      <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index candidates, curr-offset
+<span id="L646" class="LineNr"> 646 </span>      <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L338'>trace-lines-equal?</a> curr, _line
+<span id="L647" class="LineNr"> 647 </span>      compare match?, <span class="Constant">0</span>/false
+<span id="L648" class="LineNr"> 648 </span>      <span class="PreProc">break-if-=</span>
+<span id="L649" class="LineNr"> 649 </span>      <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
+<span id="L650" class="LineNr"> 650 </span>      <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
+<span id="L651" class="LineNr"> 651 </span>      copy-to *dest, <span class="Constant">1</span>/true
+<span id="L652" class="LineNr"> 652 </span>      <span class="PreProc">return</span>
+<span id="L653" class="LineNr"> 653 </span>    <span class="Delimiter">}</span>
+<span id="L654" class="LineNr"> 654 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L655" class="LineNr"> 655 </span>    <span class="PreProc">loop</span>
+<span id="L656" class="LineNr"> 656 </span>  <span class="Delimiter">}</span>
+<span id="L657" class="LineNr"> 657 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _line
+<span id="L658" class="LineNr"> 658 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get line, visible?
+<span id="L659" class="LineNr"> 659 </span>  copy-to *dest, <span class="Constant">0</span>/false
+<span id="L660" class="LineNr"> 660 </span><span class="Delimiter">}</span>
+<span id="L661" class="LineNr"> 661 </span>
+<span id="L662" class="LineNr"> 662 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L662'>clamp-cursor-to-top</a></span> _self: (addr trace), _y: int <span class="Delimiter">{</span>
+<span id="L663" class="LineNr"> 663 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy _y
+<span id="L664" class="LineNr"> 664 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L665" class="LineNr"> 665 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L666" class="LineNr"> 666 </span>  compare *cursor-y, y
+<span id="L667" class="LineNr"> 667 </span>  <span class="PreProc">break-if-&gt;=</span>
+<span id="L668" class="LineNr"> 668 </span>  copy-to *cursor-y, y
+<span id="L669" class="LineNr"> 669 </span><span class="Delimiter">}</span>
+<span id="L670" class="LineNr"> 670 </span>
+<span id="L671" class="LineNr"> 671 </span><span class="muComment"># extremely hacky; consider deleting test-render-trace-empty-3 when you clean this up</span>
+<span id="L672" class="LineNr"> 672 </span><span class="muComment"># TODO: duplicates logic for rendering a line</span>
+<span id="L673" class="LineNr"> 673 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L673'>clamp-cursor-to-bottom</a></span> _self: (addr trace), _y: int, <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), xmin: int, ymin: int, xmax: int, ymax: int <span class="Delimiter">{</span>
+<span id="L674" class="LineNr"> 674 </span>  <span class="PreProc">var</span> y/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy _y
+<span id="L675" class="LineNr"> 675 </span>  compare y, ymin
+<span id="L676" class="LineNr"> 676 </span>  <span class="Delimiter">{</span>
+<span id="L677" class="LineNr"> 677 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L678" class="LineNr"> 678 </span>    <span class="PreProc">return</span>
+<span id="L679" class="LineNr"> 679 </span>  <span class="Delimiter">}</span>
+<span id="L680" class="LineNr"> 680 </span>  y <span class="Special">&lt;-</span> decrement
+<span id="L681" class="LineNr"> 681 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L682" class="LineNr"> 682 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L683" class="LineNr"> 683 </span>  compare *cursor-y, y
+<span id="L684" class="LineNr"> 684 </span>  <span class="PreProc">break-if-&lt;=</span>
+<span id="L685" class="LineNr"> 685 </span>  copy-to *cursor-y, y
+<span id="L686" class="LineNr"> 686 </span>  <span class="muComment"># redraw cursor-line</span>
+<span id="L687" class="LineNr"> 687 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L688" class="LineNr"> 688 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L689" class="LineNr"> 689 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L690" class="LineNr"> 690 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
+<span id="L691" class="LineNr"> 691 </span>  <span class="PreProc">var</span> first-free/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L692" class="LineNr"> 692 </span>  compare cursor-line-index, *first-free
+<span id="L693" class="LineNr"> 693 </span>  <span class="Delimiter">{</span>
+<span id="L694" class="LineNr"> 694 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L695" class="LineNr"> 695 </span>    <span class="PreProc">return</span>
+<span id="L696" class="LineNr"> 696 </span>  <span class="Delimiter">}</span>
+<span id="L697" class="LineNr"> 697 </span>  <span class="PreProc">var</span> cursor-offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
+<span id="L698" class="LineNr"> 698 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">ecx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-offset
+<span id="L699" class="LineNr"> 699 </span>  <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L607'>should-render?</a> cursor-line
+<span id="L700" class="LineNr"> 700 </span>  <span class="Delimiter">{</span>
+<span id="L701" class="LineNr"> 701 </span>    compare display?, <span class="Constant">0</span>/false
+<span id="L702" class="LineNr"> 702 </span>    <span class="PreProc">break-if-=</span>
+<span id="L703" class="LineNr"> 703 </span>    <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L572'>render-trace-line</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, cursor-line, xmin, y, xmax, ymax, <span class="Constant">0x38</span>/fg=trace, <span class="Constant">7</span>/cursor-line-bg, <span class="Constant">0</span>/clip
+<span id="L704" class="LineNr"> 704 </span>    <span class="PreProc">return</span>
+<span id="L705" class="LineNr"> 705 </span>  <span class="Delimiter">}</span>
+<span id="L706" class="LineNr"> 706 </span>  <span class="PreProc">var</span> dummy1/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L707" class="LineNr"> 707 </span>  <span class="PreProc">var</span> dummy2/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L708" class="LineNr"> 708 </span>  dummy1, dummy2 <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;...&quot;</span>, xmin, ymin, xmax, ymax, xmin, y, <span class="Constant">9</span>/fg=trace, <span class="Constant">7</span>/cursor-line-bg
+<span id="L709" class="LineNr"> 709 </span><span class="Delimiter">}</span>
+<span id="L710" class="LineNr"> 710 </span>
+<span id="L711" class="LineNr"> 711 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L711'>test-render-trace-empty</a></span> <span class="Delimiter">{</span>
+<span id="L712" class="LineNr"> 712 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L713" class="LineNr"> 713 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L714" class="LineNr"> 714 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L715" class="LineNr"> 715 </span>  <span class="muComment"># setup: screen</span>
+<span id="L716" class="LineNr"> 716 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L717" class="LineNr"> 717 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L718" class="LineNr"> 718 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L719" class="LineNr"> 719 </span>  <span class="muComment">#</span>
+<span id="L720" class="LineNr"> 720 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L721" class="LineNr"> 721 </span>  <span class="muComment">#</span>
+<span id="L722" class="LineNr"> 722 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L711'>test-render-trace-empty</a>/cursor&quot;</span>
+<span id="L723" class="LineNr"> 723 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty&quot;</span>
+<span id="L724" class="LineNr"> 724 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L711'>test-render-trace-empty</a>/bg&quot;</span>
+<span id="L725" class="LineNr"> 725 </span><span class="Delimiter">}</span>
+<span id="L726" class="LineNr"> 726 </span>
+<span id="L727" class="LineNr"> 727 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L727'>test-render-trace-empty-2</a></span> <span class="Delimiter">{</span>
+<span id="L728" class="LineNr"> 728 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L729" class="LineNr"> 729 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L730" class="LineNr"> 730 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L731" class="LineNr"> 731 </span>  <span class="muComment"># setup: screen</span>
+<span id="L732" class="LineNr"> 732 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L733" class="LineNr"> 733 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L734" class="LineNr"> 734 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L735" class="LineNr"> 735 </span>  <span class="muComment">#</span>
+<span id="L736" class="LineNr"> 736 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">2</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor  <span class="muComment"># cursor below top row</span>
+<span id="L737" class="LineNr"> 737 </span>  <span class="muComment">#</span>
+<span id="L738" class="LineNr"> 738 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L727'>test-render-trace-empty-2</a>/cursor&quot;</span>
+<span id="L739" class="LineNr"> 739 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty-2&quot;</span>
+<span id="L740" class="LineNr"> 740 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L727'>test-render-trace-empty-2</a>/bg&quot;</span>
+<span id="L741" class="LineNr"> 741 </span><span class="Delimiter">}</span>
+<span id="L742" class="LineNr"> 742 </span>
+<span id="L743" class="LineNr"> 743 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L743'>test-render-trace-empty-3</a></span> <span class="Delimiter">{</span>
+<span id="L744" class="LineNr"> 744 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L745" class="LineNr"> 745 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L746" class="LineNr"> 746 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L747" class="LineNr"> 747 </span>  <span class="muComment"># setup: screen</span>
+<span id="L748" class="LineNr"> 748 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L749" class="LineNr"> 749 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L750" class="LineNr"> 750 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L751" class="LineNr"> 751 </span>  <span class="muComment">#</span>
+<span id="L752" class="LineNr"> 752 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">2</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor  <span class="muComment"># try show cursor</span>
+<span id="L753" class="LineNr"> 753 </span>  <span class="muComment"># still no cursor to show</span>
+<span id="L754" class="LineNr"> 754 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L743'>test-render-trace-empty-3</a>/cursor&quot;</span>
+<span id="L755" class="LineNr"> 755 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L743'>test-render-trace-empty-3</a>/line-above-cursor&quot;</span>
+<span id="L756" class="LineNr"> 756 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L743'>test-render-trace-empty-3</a>/bg-for-line-above-cursor&quot;</span>
+<span id="L757" class="LineNr"> 757 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - test-render-trace-empty-3&quot;</span>
+<span id="L758" class="LineNr"> 758 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;    &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L743'>test-render-trace-empty-3</a>/bg&quot;</span>
+<span id="L759" class="LineNr"> 759 </span><span class="Delimiter">}</span>
+<span id="L760" class="LineNr"> 760 </span>
+<span id="L761" class="LineNr"> 761 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L761'>test-render-trace-collapsed-by-default</a></span> <span class="Delimiter">{</span>
+<span id="L762" class="LineNr"> 762 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L763" class="LineNr"> 763 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L764" class="LineNr"> 764 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L765" class="LineNr"> 765 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
+<span id="L766" class="LineNr"> 766 </span>  <span class="muComment"># setup: screen</span>
+<span id="L767" class="LineNr"> 767 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L768" class="LineNr"> 768 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L769" class="LineNr"> 769 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L770" class="LineNr"> 770 </span>  <span class="muComment">#</span>
+<span id="L771" class="LineNr"> 771 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">5</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L772" class="LineNr"> 772 </span>  <span class="muComment">#</span>
+<span id="L773" class="LineNr"> 773 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L761'>test-render-trace-collapsed-by-default</a>/cursor&quot;</span>
+<span id="L774" class="LineNr"> 774 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;... &quot;</span>, <span class="Constant">&quot;F - test-render-trace-collapsed-by-default&quot;</span>
+<span id="L775" class="LineNr"> 775 </span><span class="Delimiter">}</span>
+<span id="L776" class="LineNr"> 776 </span>
+<span id="L777" class="LineNr"> 777 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L777'>test-render-trace-error</a></span> <span class="Delimiter">{</span>
+<span id="L778" class="LineNr"> 778 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L779" class="LineNr"> 779 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L780" class="LineNr"> 780 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L781" class="LineNr"> 781 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L782" class="LineNr"> 782 </span>  <span class="muComment"># setup: screen</span>
+<span id="L783" class="LineNr"> 783 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L784" class="LineNr"> 784 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L785" class="LineNr"> 785 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L786" class="LineNr"> 786 </span>  <span class="muComment">#</span>
+<span id="L787" class="LineNr"> 787 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L788" class="LineNr"> 788 </span>  <span class="muComment">#</span>
+<span id="L789" class="LineNr"> 789 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L777'>test-render-trace-error</a>/cursor&quot;</span>
+<span id="L790" class="LineNr"> 790 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - test-render-trace-error&quot;</span>
+<span id="L791" class="LineNr"> 791 </span><span class="Delimiter">}</span>
+<span id="L792" class="LineNr"> 792 </span>
+<span id="L793" class="LineNr"> 793 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L793'>test-render-trace-error-at-start</a></span> <span class="Delimiter">{</span>
+<span id="L794" class="LineNr"> 794 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L795" class="LineNr"> 795 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L796" class="LineNr"> 796 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L797" class="LineNr"> 797 </span>  <span class="muComment">#</span>
+<span id="L798" class="LineNr"> 798 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L799" class="LineNr"> 799 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
+<span id="L800" class="LineNr"> 800 </span>  <span class="muComment"># setup: screen</span>
+<span id="L801" class="LineNr"> 801 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L802" class="LineNr"> 802 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L803" class="LineNr"> 803 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L804" class="LineNr"> 804 </span>  <span class="muComment">#</span>
+<span id="L805" class="LineNr"> 805 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L806" class="LineNr"> 806 </span>  <span class="muComment">#</span>
+<span id="L807" class="LineNr"> 807 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L793'>test-render-trace-error-at-start</a>/cursor&quot;</span>
+<span id="L808" class="LineNr"> 808 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L793'>test-render-trace-error-at-start</a>/0&quot;</span>
+<span id="L809" class="LineNr"> 809 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L793'>test-render-trace-error-at-start</a>/1&quot;</span>
+<span id="L810" class="LineNr"> 810 </span><span class="Delimiter">}</span>
+<span id="L811" class="LineNr"> 811 </span>
+<span id="L812" class="LineNr"> 812 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L812'>test-render-trace-error-at-end</a></span> <span class="Delimiter">{</span>
+<span id="L813" class="LineNr"> 813 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L814" class="LineNr"> 814 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L815" class="LineNr"> 815 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L816" class="LineNr"> 816 </span>  <span class="muComment">#</span>
+<span id="L817" class="LineNr"> 817 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;data&quot;</span>
+<span id="L818" class="LineNr"> 818 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L819" class="LineNr"> 819 </span>  <span class="muComment"># setup: screen</span>
+<span id="L820" class="LineNr"> 820 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L821" class="LineNr"> 821 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L822" class="LineNr"> 822 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L823" class="LineNr"> 823 </span>  <span class="muComment">#</span>
+<span id="L824" class="LineNr"> 824 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L825" class="LineNr"> 825 </span>  <span class="muComment">#</span>
+<span id="L826" class="LineNr"> 826 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L812'>test-render-trace-error-at-end</a>/cursor&quot;</span>
+<span id="L827" class="LineNr"> 827 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L812'>test-render-trace-error-at-end</a>/0&quot;</span>
+<span id="L828" class="LineNr"> 828 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L812'>test-render-trace-error-at-end</a>/1&quot;</span>
+<span id="L829" class="LineNr"> 829 </span><span class="Delimiter">}</span>
+<span id="L830" class="LineNr"> 830 </span>
+<span id="L831" class="LineNr"> 831 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L831'>test-render-trace-error-in-the-middle</a></span> <span class="Delimiter">{</span>
+<span id="L832" class="LineNr"> 832 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L833" class="LineNr"> 833 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L834" class="LineNr"> 834 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L835" class="LineNr"> 835 </span>  <span class="muComment">#</span>
+<span id="L836" class="LineNr"> 836 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L837" class="LineNr"> 837 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L838" class="LineNr"> 838 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L839" class="LineNr"> 839 </span>  <span class="muComment"># setup: screen</span>
+<span id="L840" class="LineNr"> 840 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L841" class="LineNr"> 841 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L842" class="LineNr"> 842 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L843" class="LineNr"> 843 </span>  <span class="muComment">#</span>
+<span id="L844" class="LineNr"> 844 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">0</span>/no-cursor
+<span id="L845" class="LineNr"> 845 </span>  <span class="muComment">#</span>
+<span id="L846" class="LineNr"> 846 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L831'>test-render-trace-error-in-the-middle</a>/cursor&quot;</span>
+<span id="L847" class="LineNr"> 847 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L831'>test-render-trace-error-in-the-middle</a>/0&quot;</span>
+<span id="L848" class="LineNr"> 848 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L831'>test-render-trace-error-in-the-middle</a>/1&quot;</span>
+<span id="L849" class="LineNr"> 849 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot;...  &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L831'>test-render-trace-error-in-the-middle</a>/2&quot;</span>
+<span id="L850" class="LineNr"> 850 </span><span class="Delimiter">}</span>
+<span id="L851" class="LineNr"> 851 </span>
+<span id="L852" class="LineNr"> 852 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a></span> <span class="Delimiter">{</span>
+<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L854" class="LineNr"> 854 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L855" class="LineNr"> 855 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L856" class="LineNr"> 856 </span>  <span class="muComment">#</span>
+<span id="L857" class="LineNr"> 857 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L858" class="LineNr"> 858 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L859" class="LineNr"> 859 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L860" class="LineNr"> 860 </span>  <span class="muComment"># setup: screen</span>
+<span id="L861" class="LineNr"> 861 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L862" class="LineNr"> 862 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L863" class="LineNr"> 863 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L864" class="LineNr"> 864 </span>  <span class="muComment">#</span>
+<span id="L865" class="LineNr"> 865 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L866" class="LineNr"> 866 </span>  <span class="muComment">#</span>
+<span id="L867" class="LineNr"> 867 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/0&quot;</span>
+<span id="L868" class="LineNr"> 868 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/0/cursor&quot;</span>
+<span id="L869" class="LineNr"> 869 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/1&quot;</span>
+<span id="L870" class="LineNr"> 870 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/1/cursor&quot;</span>
+<span id="L871" class="LineNr"> 871 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/2&quot;</span>
+<span id="L872" class="LineNr"> 872 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L852'>test-render-trace-cursor-in-single-line</a>/2/cursor&quot;</span>
+<span id="L873" class="LineNr"> 873 </span><span class="Delimiter">}</span>
+<span id="L874" class="LineNr"> 874 </span>
+<span id="L875" class="LineNr"> 875 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L875'>render-trace-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
+<span id="L876" class="LineNr"> 876 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L877" class="LineNr"> 877 </span>  <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L878" class="LineNr"> 878 </span>  width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L879" class="LineNr"> 879 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy height
+<span id="L880" class="LineNr"> 880 </span>  y <span class="Special">&lt;-</span> decrement
+<span id="L881" class="LineNr"> 881 </span>  <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L882" class="LineNr"> 882 </span>  height <span class="Special">&lt;-</span> increment
+<span id="L883" class="LineNr"> 883 </span>  <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L884" class="LineNr"> 884 </span>  <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
+<span id="L885" class="LineNr"> 885 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; enter/bksp &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L886" class="LineNr"> 886 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='trace.mu.html#L974'>expand</a>/collapse  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L887" class="LineNr"> 887 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; ctrl+... &quot;</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L888" class="LineNr"> 888 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=black
+<span id="L889" class="LineNr"> 889 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; <a href='sandbox.mu.html#L625'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L890" class="LineNr"> 890 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">3</span>/bg=keyboard
+<span id="L891" class="LineNr"> 891 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; to keyboard  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L892" class="LineNr"> 892 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; s &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">3</span>/bg=keyboard
+<span id="L893" class="LineNr"> 893 </span>  <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot; show whole line  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L894" class="LineNr"> 894 </span><span class="Delimiter">}</span>
+<span id="L895" class="LineNr"> 895 </span>
+<span id="L896" class="LineNr"> 896 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L896'>edit-trace</a></span> _self: (addr trace), key: grapheme <span class="Delimiter">{</span>
+<span id="L897" class="LineNr"> 897 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L898" class="LineNr"> 898 </span>  <span class="muComment"># cursor down</span>
+<span id="L899" class="LineNr"> 899 </span>  <span class="Delimiter">{</span>
+<span id="L900" class="LineNr"> 900 </span>    compare key, <span class="Constant">0x6a</span>/j
+<span id="L901" class="LineNr"> 901 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L902" class="LineNr"> 902 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L903" class="LineNr"> 903 </span>    increment *cursor-y
+<span id="L904" class="LineNr"> 904 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L905" class="LineNr"> 905 </span>    copy-to *unclip-cursor-line?, <span class="Constant">0</span>/false
+<span id="L906" class="LineNr"> 906 </span>    <span class="PreProc">return</span>
+<span id="L907" class="LineNr"> 907 </span>  <span class="Delimiter">}</span>
+<span id="L908" class="LineNr"> 908 </span>  <span class="Delimiter">{</span>
+<span id="L909" class="LineNr"> 909 </span>    compare key, <span class="Constant">0x81</span>/down-arrow
+<span id="L910" class="LineNr"> 910 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L911" class="LineNr"> 911 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L912" class="LineNr"> 912 </span>    increment *cursor-y
+<span id="L913" class="LineNr"> 913 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L914" class="LineNr"> 914 </span>    copy-to *unclip-cursor-line?, <span class="Constant">0</span>/false
+<span id="L915" class="LineNr"> 915 </span>    <span class="PreProc">return</span>
+<span id="L916" class="LineNr"> 916 </span>  <span class="Delimiter">}</span>
+<span id="L917" class="LineNr"> 917 </span>  <span class="muComment"># cursor up</span>
+<span id="L918" class="LineNr"> 918 </span>  <span class="Delimiter">{</span>
+<span id="L919" class="LineNr"> 919 </span>    compare key, <span class="Constant">0x6b</span>/k
+<span id="L920" class="LineNr"> 920 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L921" class="LineNr"> 921 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L922" class="LineNr"> 922 </span>    decrement *cursor-y
+<span id="L923" class="LineNr"> 923 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L924" class="LineNr"> 924 </span>    copy-to *unclip-cursor-line?, <span class="Constant">0</span>/false
+<span id="L925" class="LineNr"> 925 </span>    <span class="PreProc">return</span>
+<span id="L926" class="LineNr"> 926 </span>  <span class="Delimiter">}</span>
+<span id="L927" class="LineNr"> 927 </span>  <span class="Delimiter">{</span>
+<span id="L928" class="LineNr"> 928 </span>    compare key, <span class="Constant">0x82</span>/up-arrow
+<span id="L929" class="LineNr"> 929 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L930" class="LineNr"> 930 </span>    <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L931" class="LineNr"> 931 </span>    decrement *cursor-y
+<span id="L932" class="LineNr"> 932 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L933" class="LineNr"> 933 </span>    copy-to *unclip-cursor-line?, <span class="Constant">0</span>/false
+<span id="L934" class="LineNr"> 934 </span>    <span class="PreProc">return</span>
+<span id="L935" class="LineNr"> 935 </span>  <span class="Delimiter">}</span>
+<span id="L936" class="LineNr"> 936 </span>  <span class="muComment"># enter = expand</span>
+<span id="L937" class="LineNr"> 937 </span>  <span class="Delimiter">{</span>
+<span id="L938" class="LineNr"> 938 </span>    compare key, <span class="Constant">0xa</span>/newline
+<span id="L939" class="LineNr"> 939 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L940" class="LineNr"> 940 </span>    <a href='trace.mu.html#L974'>expand</a> self
+<span id="L941" class="LineNr"> 941 </span>    <span class="PreProc">return</span>
+<span id="L942" class="LineNr"> 942 </span>  <span class="Delimiter">}</span>
+<span id="L943" class="LineNr"> 943 </span>  <span class="muComment"># backspace = collapse</span>
+<span id="L944" class="LineNr"> 944 </span>  <span class="Delimiter">{</span>
+<span id="L945" class="LineNr"> 945 </span>    compare key, <span class="Constant">8</span>/backspace
+<span id="L946" class="LineNr"> 946 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L947" class="LineNr"> 947 </span>    <a href='trace.mu.html#L1014'>collapse</a> self
+<span id="L948" class="LineNr"> 948 </span>    <span class="PreProc">return</span>
+<span id="L949" class="LineNr"> 949 </span>  <span class="Delimiter">}</span>
+<span id="L950" class="LineNr"> 950 </span>  <span class="muComment"># ctrl-s: temporarily unclip current line</span>
+<span id="L951" class="LineNr"> 951 </span>  <span class="Delimiter">{</span>
+<span id="L952" class="LineNr"> 952 </span>    compare key, <span class="Constant">0x13</span>/ctrl-s
+<span id="L953" class="LineNr"> 953 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L954" class="LineNr"> 954 </span>    <span class="PreProc">var</span> <a href='trace.mu.html#L553'>unclip-cursor-line?</a>/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, <a href='trace.mu.html#L553'>unclip-cursor-line?</a>
+<span id="L955" class="LineNr"> 955 </span>    copy-to *unclip-cursor-line?, <span class="Constant">1</span>/true
+<span id="L956" class="LineNr"> 956 </span>    <span class="PreProc">return</span>
+<span id="L957" class="LineNr"> 957 </span>  <span class="Delimiter">}</span>
+<span id="L958" class="LineNr"> 958 </span>  <span class="muComment"># ctrl-f: scroll down</span>
+<span id="L959" class="LineNr"> 959 </span>  <span class="Delimiter">{</span>
+<span id="L960" class="LineNr"> 960 </span>    compare key, <span class="Constant">6</span>/ctrl-f
+<span id="L961" class="LineNr"> 961 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L962" class="LineNr"> 962 </span>    <a href='trace.mu.html#L1867'>scroll-down</a> self
+<span id="L963" class="LineNr"> 963 </span>    <span class="PreProc">return</span>
+<span id="L964" class="LineNr"> 964 </span>  <span class="Delimiter">}</span>
+<span id="L965" class="LineNr"> 965 </span>  <span class="muComment"># ctrl-b: scroll up</span>
+<span id="L966" class="LineNr"> 966 </span>  <span class="Delimiter">{</span>
+<span id="L967" class="LineNr"> 967 </span>    compare key, <span class="Constant">2</span>/ctrl-b
+<span id="L968" class="LineNr"> 968 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L969" class="LineNr"> 969 </span>    <a href='trace.mu.html#L1902'>scroll-up</a> self
+<span id="L970" class="LineNr"> 970 </span>    <span class="PreProc">return</span>
+<span id="L971" class="LineNr"> 971 </span>  <span class="Delimiter">}</span>
+<span id="L972" class="LineNr"> 972 </span><span class="Delimiter">}</span>
+<span id="L973" class="LineNr"> 973 </span>
+<span id="L974" class="LineNr"> 974 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L974'>expand</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L975" class="LineNr"> 975 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L976" class="LineNr"> 976 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L977" class="LineNr"> 977 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L978" class="LineNr"> 978 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L979" class="LineNr"> 979 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
+<span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> cursor-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
+<span id="L982" class="LineNr"> 982 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-line-offset
+<span id="L983" class="LineNr"> 983 </span>  <span class="PreProc">var</span> cursor-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get cursor-line, visible?
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> cursor-line-depth/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get cursor-line, depth
+<span id="L985" class="LineNr"> 985 </span>  <span class="PreProc">var</span> target-depth/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-depth
+<span id="L986" class="LineNr"> 986 </span>  <span class="muComment"># if cursor-line is already visible, increment target-depth</span>
+<span id="L987" class="LineNr"> 987 </span>  compare *cursor-line-visible?, <span class="Constant">0</span>/false
+<span id="L988" class="LineNr"> 988 </span>  <span class="Delimiter">{</span>
+<span id="L989" class="LineNr"> 989 </span>    <span class="PreProc">break-if-=</span>
+<span id="L990" class="LineNr"> 990 </span>    target-depth <span class="Special">&lt;-</span> increment
+<span id="L991" class="LineNr"> 991 </span>  <span class="Delimiter">}</span>
+<span id="L992" class="LineNr"> 992 </span>  <span class="muComment"># reveal the run of lines starting at cursor-line-index with depth target-depth</span>
+<span id="L993" class="LineNr"> 993 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy cursor-line-index
+<span id="L994" class="LineNr"> 994 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L995" class="LineNr"> 995 </span>  <span class="Delimiter">{</span>
+<span id="L996" class="LineNr"> 996 </span>    compare i, *max
+<span id="L997" class="LineNr"> 997 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L998" class="LineNr"> 998 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L999" class="LineNr"> 999 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
+<span id="L1000" class="LineNr">1000 </span>    <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
+<span id="L1001" class="LineNr">1001 </span>    compare *curr-line-depth, target-depth
+<span id="L1002" class="LineNr">1002 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L1003" class="LineNr">1003 </span>    <span class="Delimiter">{</span>
+<span id="L1004" class="LineNr">1004 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1005" class="LineNr">1005 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
+<span id="L1006" class="LineNr">1006 </span>      copy-to *curr-line-visible?, <span class="Constant">1</span>/true
+<span id="L1007" class="LineNr">1007 </span>      <a href='trace.mu.html#L1080'>reveal-trace-line</a> self, curr-line
+<span id="L1008" class="LineNr">1008 </span>    <span class="Delimiter">}</span>
+<span id="L1009" class="LineNr">1009 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L1010" class="LineNr">1010 </span>    <span class="PreProc">loop</span>
+<span id="L1011" class="LineNr">1011 </span>  <span class="Delimiter">}</span>
+<span id="L1012" class="LineNr">1012 </span><span class="Delimiter">}</span>
+<span id="L1013" class="LineNr">1013 </span>
+<span id="L1014" class="LineNr">1014 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1014'>collapse</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L1015" class="LineNr">1015 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1016" class="LineNr">1016 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L1017" class="LineNr">1017 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L1018" class="LineNr">1018 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L1019" class="LineNr">1019 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L1020" class="LineNr">1020 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
+<span id="L1021" class="LineNr">1021 </span>  <span class="PreProc">var</span> cursor-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
+<span id="L1022" class="LineNr">1022 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-line-offset
+<span id="L1023" class="LineNr">1023 </span>  <span class="PreProc">var</span> cursor-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get cursor-line, visible?
+<span id="L1024" class="LineNr">1024 </span>  <span class="muComment"># if cursor-line is not visible, do nothing</span>
+<span id="L1025" class="LineNr">1025 </span>  compare *cursor-line-visible?, <span class="Constant">0</span>/false
+<span id="L1026" class="LineNr">1026 </span>  <span class="Delimiter">{</span>
+<span id="L1027" class="LineNr">1027 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1028" class="LineNr">1028 </span>    <span class="PreProc">return</span>
+<span id="L1029" class="LineNr">1029 </span>  <span class="Delimiter">}</span>
+<span id="L1030" class="LineNr">1030 </span>  <span class="muComment"># hide all lines between previous and next line with a lower depth</span>
+<span id="L1031" class="LineNr">1031 </span>  <span class="PreProc">var</span> cursor-line-depth/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get cursor-line, depth
+<span id="L1032" class="LineNr">1032 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-y
+<span id="L1033" class="LineNr">1033 </span>  <span class="PreProc">var</span> target-depth/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-depth
+<span id="L1034" class="LineNr">1034 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy cursor-line-index
+<span id="L1035" class="LineNr">1035 </span>  $collapse:loop1: <span class="Delimiter">{</span>
+<span id="L1036" class="LineNr">1036 </span>    compare i, <span class="Constant">0</span>
+<span id="L1037" class="LineNr">1037 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L1038" class="LineNr">1038 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L1039" class="LineNr">1039 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
+<span id="L1040" class="LineNr">1040 </span>    <span class="Delimiter">{</span>
+<span id="L1041" class="LineNr">1041 </span>      <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
+<span id="L1042" class="LineNr">1042 </span>      compare *curr-line-depth, target-depth
+<span id="L1043" class="LineNr">1043 </span>      <span class="PreProc">break-if-&lt;</span> $collapse:loop1
+<span id="L1044" class="LineNr">1044 </span>    <span class="Delimiter">}</span>
+<span id="L1045" class="LineNr">1045 </span>    <span class="muComment"># if cursor-line is visible, decrement cursor-y</span>
+<span id="L1046" class="LineNr">1046 </span>    <span class="Delimiter">{</span>
+<span id="L1047" class="LineNr">1047 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
+<span id="L1048" class="LineNr">1048 </span>      compare *curr-line-visible?, <span class="Constant">0</span>/false
+<span id="L1049" class="LineNr">1049 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1050" class="LineNr">1050 </span>      decrement *cursor-y
+<span id="L1051" class="LineNr">1051 </span>    <span class="Delimiter">}</span>
+<span id="L1052" class="LineNr">1052 </span>    i <span class="Special">&lt;-</span> decrement
+<span id="L1053" class="LineNr">1053 </span>    <span class="PreProc">loop</span>
+<span id="L1054" class="LineNr">1054 </span>  <span class="Delimiter">}</span>
+<span id="L1055" class="LineNr">1055 </span>  i <span class="Special">&lt;-</span> increment
+<span id="L1056" class="LineNr">1056 </span>  <span class="PreProc">var</span> max/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L1057" class="LineNr">1057 </span>  $collapse:loop2: <span class="Delimiter">{</span>
+<span id="L1058" class="LineNr">1058 </span>    compare i, *max
+<span id="L1059" class="LineNr">1059 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L1060" class="LineNr">1060 </span>    <span class="PreProc">var</span> curr-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, i
+<span id="L1061" class="LineNr">1061 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, curr-line-offset
+<span id="L1062" class="LineNr">1062 </span>    <span class="PreProc">var</span> curr-line-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-line, depth
+<span id="L1063" class="LineNr">1063 </span>    compare *curr-line-depth, target-depth
+<span id="L1064" class="LineNr">1064 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L1065" class="LineNr">1065 </span>    <span class="Delimiter">{</span>
+<span id="L1066" class="LineNr">1066 </span>      <a href='trace.mu.html#L1105'>hide-trace-line</a> self, curr-line
+<span id="L1067" class="LineNr">1067 </span>      <span class="PreProc">var</span> curr-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr-line, visible?
+<span id="L1068" class="LineNr">1068 </span>      copy-to *curr-line-visible?, <span class="Constant">0</span>/false
+<span id="L1069" class="LineNr">1069 </span>    <span class="Delimiter">}</span>
+<span id="L1070" class="LineNr">1070 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L1071" class="LineNr">1071 </span>    <span class="PreProc">loop</span>
+<span id="L1072" class="LineNr">1072 </span>  <span class="Delimiter">}</span>
+<span id="L1073" class="LineNr">1073 </span><span class="Delimiter">}</span>
+<span id="L1074" class="LineNr">1074 </span>
+<span id="L1075" class="LineNr">1075 </span><span class="muComment"># the 'visible' array is not required to be in order</span>
+<span id="L1076" class="LineNr">1076 </span><span class="muComment"># elements can also be deleted out of order</span>
+<span id="L1077" class="LineNr">1077 </span><span class="muComment"># so it can have holes</span>
+<span id="L1078" class="LineNr">1078 </span><span class="muComment"># however, lines in it always have visible? set</span>
+<span id="L1079" class="LineNr">1079 </span><span class="muComment"># we'll use visible? being unset as a sign of emptiness</span>
+<span id="L1080" class="LineNr">1080 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1080'>reveal-trace-line</a></span> _self: (addr trace), line: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Delimiter">{</span>
+<span id="L1081" class="LineNr">1081 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1082" class="LineNr">1082 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
+<span id="L1083" class="LineNr">1083 </span>  <span class="PreProc">var</span> visible/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *visible-ah
+<span id="L1084" class="LineNr">1084 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L1085" class="LineNr">1085 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length visible
+<span id="L1086" class="LineNr">1086 </span>  <span class="Delimiter">{</span>
+<span id="L1087" class="LineNr">1087 </span>    compare i, len
+<span id="L1088" class="LineNr">1088 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L1089" class="LineNr">1089 </span>    <span class="PreProc">var</span> curr-offset/<span class="Constant">edx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset visible, i
+<span id="L1090" class="LineNr">1090 </span>    <span class="PreProc">var</span> curr/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index visible, curr-offset
+<span id="L1091" class="LineNr">1091 </span>    <span class="PreProc">var</span> curr-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get curr, visible?
+<span id="L1092" class="LineNr">1092 </span>    compare *curr-visible?, <span class="Constant">0</span>/false
+<span id="L1093" class="LineNr">1093 </span>    <span class="Delimiter">{</span>
+<span id="L1094" class="LineNr">1094 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1095" class="LineNr">1095 </span>      <span class="muComment"># empty slot found</span>
+<span id="L1096" class="LineNr">1096 </span>      copy-object line, curr
+<span id="L1097" class="LineNr">1097 </span>      <span class="PreProc">return</span>
+<span id="L1098" class="LineNr">1098 </span>    <span class="Delimiter">}</span>
+<span id="L1099" class="LineNr">1099 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L1100" class="LineNr">1100 </span>    <span class="PreProc">loop</span>
+<span id="L1101" class="LineNr">1101 </span>  <span class="Delimiter">}</span>
+<span id="L1102" class="LineNr">1102 </span>  <a href='../317abort.subx.html#L5'>abort</a> <span class="Constant">&quot;too many visible lines; increase size of array trace.visible&quot;</span>
+<span id="L1103" class="LineNr">1103 </span><span class="Delimiter">}</span>
+<span id="L1104" class="LineNr">1104 </span>
+<span id="L1105" class="LineNr">1105 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1105'>hide-trace-line</a></span> _self: (addr trace), line: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Delimiter">{</span>
+<span id="L1106" class="LineNr">1106 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1107" class="LineNr">1107 </span>  <span class="PreProc">var</span> visible-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, visible
+<span id="L1108" class="LineNr">1108 </span>  <span class="PreProc">var</span> visible/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *visible-ah
+<span id="L1109" class="LineNr">1109 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L1110" class="LineNr">1110 </span>  <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> length visible
+<span id="L1111" class="LineNr">1111 </span>  <span class="Delimiter">{</span>
+<span id="L1112" class="LineNr">1112 </span>    compare i, len
+<span id="L1113" class="LineNr">1113 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L1114" class="LineNr">1114 </span>    <span class="PreProc">var</span> curr-offset/<span class="Constant">edx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset visible, i
+<span id="L1115" class="LineNr">1115 </span>    <span class="PreProc">var</span> curr/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index visible, curr-offset
+<span id="L1116" class="LineNr">1116 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L338'>trace-lines-equal?</a> curr, line
+<span id="L1117" class="LineNr">1117 </span>    compare found?, <span class="Constant">0</span>/false
+<span id="L1118" class="LineNr">1118 </span>    <span class="Delimiter">{</span>
+<span id="L1119" class="LineNr">1119 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1120" class="LineNr">1120 </span>      clear-object curr
+<span id="L1121" class="LineNr">1121 </span>    <span class="Delimiter">}</span>
+<span id="L1122" class="LineNr">1122 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L1123" class="LineNr">1123 </span>    <span class="PreProc">loop</span>
+<span id="L1124" class="LineNr">1124 </span>  <span class="Delimiter">}</span>
+<span id="L1125" class="LineNr">1125 </span><span class="Delimiter">}</span>
+<span id="L1126" class="LineNr">1126 </span>
+<span id="L1127" class="LineNr">1127 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1127'>cursor-too-deep?</a></span> _self: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1128" class="LineNr">1128 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1129" class="LineNr">1129 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L1130" class="LineNr">1130 </span>  <span class="PreProc">var</span> _trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> trace/<span class="Constant">edi</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> copy _trace
+<span id="L1132" class="LineNr">1132 </span>  <span class="PreProc">var</span> cursor-line-index-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, cursor-line-index
+<span id="L1133" class="LineNr">1133 </span>  <span class="PreProc">var</span> cursor-line-index/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-index-addr
+<span id="L1134" class="LineNr">1134 </span>  <span class="PreProc">var</span> cursor-line-offset/<span class="Constant">eax</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, cursor-line-index
+<span id="L1135" class="LineNr">1135 </span>  <span class="PreProc">var</span> cursor-line/<span class="Constant">edx</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, cursor-line-offset
+<span id="L1136" class="LineNr">1136 </span>  <span class="PreProc">var</span> cursor-line-visible?/<span class="Constant">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get cursor-line, visible?
+<span id="L1137" class="LineNr">1137 </span>  <span class="PreProc">var</span> cursor-line-depth/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get cursor-line, depth
+<span id="L1138" class="LineNr">1138 </span>  <span class="PreProc">var</span> target-depth/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *cursor-line-depth
+<span id="L1139" class="LineNr">1139 </span>  <span class="muComment"># if cursor-line is visible, return false</span>
+<span id="L1140" class="LineNr">1140 </span>  compare *cursor-line-visible?, <span class="Constant">0</span>/false
+<span id="L1141" class="LineNr">1141 </span>  <span class="Delimiter">{</span>
+<span id="L1142" class="LineNr">1142 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1143" class="LineNr">1143 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1144" class="LineNr">1144 </span>  <span class="Delimiter">}</span>
+<span id="L1145" class="LineNr">1145 </span>  <span class="muComment"># return cursor-line-depth &gt;= max-depth-1</span>
+<span id="L1146" class="LineNr">1146 </span>  target-depth <span class="Special">&lt;-</span> increment
+<span id="L1147" class="LineNr">1147 </span>  <span class="PreProc">var</span> max-depth-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, max-depth
+<span id="L1148" class="LineNr">1148 </span>  compare target-depth, *max-depth-addr
+<span id="L1149" class="LineNr">1149 </span>  <span class="Delimiter">{</span>
+<span id="L1150" class="LineNr">1150 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L1151" class="LineNr">1151 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1152" class="LineNr">1152 </span>  <span class="Delimiter">}</span>
+<span id="L1153" class="LineNr">1153 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1154" class="LineNr">1154 </span><span class="Delimiter">}</span>
+<span id="L1155" class="LineNr">1155 </span>
+<span id="L1156" class="LineNr">1156 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a></span> <span class="Delimiter">{</span>
+<span id="L1157" class="LineNr">1157 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1158" class="LineNr">1158 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1159" class="LineNr">1159 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1160" class="LineNr">1160 </span>  <span class="muComment">#</span>
+<span id="L1161" class="LineNr">1161 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1162" class="LineNr">1162 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L1163" class="LineNr">1163 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1164" class="LineNr">1164 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1165" class="LineNr">1165 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1166" class="LineNr">1166 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1167" class="LineNr">1167 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1168" class="LineNr">1168 </span>  <span class="muComment">#</span>
+<span id="L1169" class="LineNr">1169 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1170" class="LineNr">1170 </span>  <span class="muComment">#</span>
+<span id="L1171" class="LineNr">1171 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-0&quot;</span>
+<span id="L1172" class="LineNr">1172 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-0/cursor&quot;</span>
+<span id="L1173" class="LineNr">1173 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-1&quot;</span>
+<span id="L1174" class="LineNr">1174 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-1/cursor&quot;</span>
+<span id="L1175" class="LineNr">1175 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-2&quot;</span>
+<span id="L1176" class="LineNr">1176 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/pre-2/cursor&quot;</span>
+<span id="L1177" class="LineNr">1177 </span>  <span class="muComment"># cursor down</span>
+<span id="L1178" class="LineNr">1178 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1179" class="LineNr">1179 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1180" class="LineNr">1180 </span>  <span class="muComment">#</span>
+<span id="L1181" class="LineNr">1181 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-0&quot;</span>
+<span id="L1182" class="LineNr">1182 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-0/cursor&quot;</span>
+<span id="L1183" class="LineNr">1183 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-1&quot;</span>
+<span id="L1184" class="LineNr">1184 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-1/cursor&quot;</span>
+<span id="L1185" class="LineNr">1185 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-2&quot;</span>
+<span id="L1186" class="LineNr">1186 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/down-2/cursor&quot;</span>
+<span id="L1187" class="LineNr">1187 </span>  <span class="muComment"># cursor up</span>
+<span id="L1188" class="LineNr">1188 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6b</span>/k
+<span id="L1189" class="LineNr">1189 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1190" class="LineNr">1190 </span>  <span class="muComment">#</span>
+<span id="L1191" class="LineNr">1191 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-0&quot;</span>
+<span id="L1192" class="LineNr">1192 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-0/cursor&quot;</span>
+<span id="L1193" class="LineNr">1193 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-1&quot;</span>
+<span id="L1194" class="LineNr">1194 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-1/cursor&quot;</span>
+<span id="L1195" class="LineNr">1195 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-2&quot;</span>
+<span id="L1196" class="LineNr">1196 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1156'>test-cursor-down-and-up-within-trace</a>/up-2/cursor&quot;</span>
+<span id="L1197" class="LineNr">1197 </span><span class="Delimiter">}</span>
+<span id="L1198" class="LineNr">1198 </span>
+<span id="L1199" class="LineNr">1199 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a></span> <span class="Delimiter">{</span>
+<span id="L1200" class="LineNr">1200 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1201" class="LineNr">1201 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1202" class="LineNr">1202 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1203" class="LineNr">1203 </span>  <span class="muComment">#</span>
+<span id="L1204" class="LineNr">1204 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1205" class="LineNr">1205 </span>  <span class="Special"><a href='trace.mu.html#L186'>error</a></span> t, <span class="Constant">&quot;error&quot;</span>
+<span id="L1206" class="LineNr">1206 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1207" class="LineNr">1207 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1208" class="LineNr">1208 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1209" class="LineNr">1209 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1210" class="LineNr">1210 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xa</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
 <span id="L1211" class="LineNr">1211 </span>  <span class="muComment">#</span>
-<span id="L1212" class="LineNr">1212 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1213" class="LineNr">1213 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1214" class="LineNr">1214 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L1215" class="LineNr">1215 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1216" class="LineNr">1216 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1217" class="LineNr">1217 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1218" class="LineNr">1218 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1219" class="LineNr">1219 </span>  <span class="muComment">#</span>
-<span id="L1220" class="LineNr">1220 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1221" class="LineNr">1221 </span>  <span class="muComment">#</span>
-<span id="L1222" class="LineNr">1222 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/pre-0&quot;</span>
-<span id="L1223" class="LineNr">1223 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/pre-0/cursor&quot;</span>
-<span id="L1224" class="LineNr">1224 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/pre-1&quot;</span>
-<span id="L1225" class="LineNr">1225 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/pre-1/cursor&quot;</span>
-<span id="L1226" class="LineNr">1226 </span>  <span class="muComment"># expand</span>
-<span id="L1227" class="LineNr">1227 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1228" class="LineNr">1228 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1229" class="LineNr">1229 </span>  <span class="muComment">#</span>
-<span id="L1230" class="LineNr">1230 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-0&quot;</span>
-<span id="L1231" class="LineNr">1231 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-0/cursor&quot;</span>
-<span id="L1232" class="LineNr">1232 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-1&quot;</span>
-<span id="L1233" class="LineNr">1233 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-1/cursor&quot;</span>
-<span id="L1234" class="LineNr">1234 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-2&quot;</span>
-<span id="L1235" class="LineNr">1235 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/expand-2/cursor&quot;</span>
-<span id="L1236" class="LineNr">1236 </span>  <span class="muComment"># cursor down</span>
-<span id="L1237" class="LineNr">1237 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1238" class="LineNr">1238 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1239" class="LineNr">1239 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1240" class="LineNr">1240 </span>  <span class="muComment">#</span>
-<span id="L1241" class="LineNr">1241 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-0&quot;</span>
-<span id="L1242" class="LineNr">1242 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-0/cursor&quot;</span>
-<span id="L1243" class="LineNr">1243 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-1&quot;</span>
-<span id="L1244" class="LineNr">1244 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-1/cursor&quot;</span>
-<span id="L1245" class="LineNr">1245 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-2&quot;</span>
-<span id="L1246" class="LineNr">1246 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/down-2/cursor&quot;</span>
-<span id="L1247" class="LineNr">1247 </span>  <span class="muComment"># recreate trace</span>
-<span id="L1248" class="LineNr">1248 </span>  <a href='trace.mu.html#L45'>clear-trace</a> t
-<span id="L1249" class="LineNr">1249 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1250" class="LineNr">1250 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1251" class="LineNr">1251 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L1252" class="LineNr">1252 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1253" class="LineNr">1253 </span>  <span class="muComment"># cursor remains unchanged</span>
-<span id="L1254" class="LineNr">1254 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-0&quot;</span>
-<span id="L1255" class="LineNr">1255 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-0/cursor&quot;</span>
-<span id="L1256" class="LineNr">1256 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-1&quot;</span>
-<span id="L1257" class="LineNr">1257 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-1/cursor&quot;</span>
-<span id="L1258" class="LineNr">1258 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-2&quot;</span>
-<span id="L1259" class="LineNr">1259 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1207'>test-trace-refresh-cursor</a>/refresh-2/cursor&quot;</span>
-<span id="L1260" class="LineNr">1260 </span><span class="Delimiter">}</span>
-<span id="L1261" class="LineNr">1261 </span>
-<span id="L1262" class="LineNr">1262 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a></span> <span class="Delimiter">{</span>
-<span id="L1263" class="LineNr">1263 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1264" class="LineNr">1264 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1265" class="LineNr">1265 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1266" class="LineNr">1266 </span>  <span class="muComment">#</span>
-<span id="L1267" class="LineNr">1267 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1268" class="LineNr">1268 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1269" class="LineNr">1269 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L1270" class="LineNr">1270 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1271" class="LineNr">1271 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1272" class="LineNr">1272 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1273" class="LineNr">1273 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1274" class="LineNr">1274 </span>  <span class="muComment">#</span>
-<span id="L1275" class="LineNr">1275 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1276" class="LineNr">1276 </span>  <span class="muComment">#</span>
-<span id="L1277" class="LineNr">1277 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/pre-0&quot;</span>
-<span id="L1278" class="LineNr">1278 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/pre-0/cursor&quot;</span>
-<span id="L1279" class="LineNr">1279 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/pre-1&quot;</span>
-<span id="L1280" class="LineNr">1280 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/pre-1/cursor&quot;</span>
-<span id="L1281" class="LineNr">1281 </span>  <span class="muComment"># expand</span>
-<span id="L1282" class="LineNr">1282 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1283" class="LineNr">1283 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1284" class="LineNr">1284 </span>  <span class="muComment">#</span>
-<span id="L1285" class="LineNr">1285 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-0&quot;</span>
-<span id="L1286" class="LineNr">1286 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-0/cursor&quot;</span>
-<span id="L1287" class="LineNr">1287 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-1&quot;</span>
-<span id="L1288" class="LineNr">1288 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-1/cursor&quot;</span>
-<span id="L1289" class="LineNr">1289 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-2&quot;</span>
-<span id="L1290" class="LineNr">1290 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;              &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/expand-2/cursor&quot;</span>
-<span id="L1291" class="LineNr">1291 </span>  <span class="muComment"># cursor down</span>
-<span id="L1292" class="LineNr">1292 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1293" class="LineNr">1293 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1294" class="LineNr">1294 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1295" class="LineNr">1295 </span>  <span class="muComment">#</span>
-<span id="L1296" class="LineNr">1296 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-0&quot;</span>
-<span id="L1297" class="LineNr">1297 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-0/cursor&quot;</span>
-<span id="L1298" class="LineNr">1298 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-1&quot;</span>
-<span id="L1299" class="LineNr">1299 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-1/cursor&quot;</span>
-<span id="L1300" class="LineNr">1300 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-2&quot;</span>
-<span id="L1301" class="LineNr">1301 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/down-2/cursor&quot;</span>
-<span id="L1302" class="LineNr">1302 </span>  <span class="muComment"># recreate trace with slightly different lines</span>
-<span id="L1303" class="LineNr">1303 </span>  <a href='trace.mu.html#L45'>clear-trace</a> t
-<span id="L1304" class="LineNr">1304 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 4&quot;</span>
-<span id="L1305" class="LineNr">1305 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 5&quot;</span>
-<span id="L1306" class="LineNr">1306 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>  <span class="muComment"># cursor line is unchanged</span>
-<span id="L1307" class="LineNr">1307 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1308" class="LineNr">1308 </span>  <span class="muComment"># cursor remains unchanged</span>
-<span id="L1309" class="LineNr">1309 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 4   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-0&quot;</span>
-<span id="L1310" class="LineNr">1310 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-0/cursor&quot;</span>
-<span id="L1311" class="LineNr">1311 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 5   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-1&quot;</span>
-<span id="L1312" class="LineNr">1312 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-1/cursor&quot;</span>
-<span id="L1313" class="LineNr">1313 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-2&quot;</span>
-<span id="L1314" class="LineNr">1314 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1262'>test-trace-preserve-cursor-on-refresh</a>/refresh-2/cursor&quot;</span>
-<span id="L1315" class="LineNr">1315 </span><span class="Delimiter">}</span>
-<span id="L1316" class="LineNr">1316 </span>
-<span id="L1317" class="LineNr">1317 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a></span> <span class="Delimiter">{</span>
-<span id="L1318" class="LineNr">1318 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1319" class="LineNr">1319 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1320" class="LineNr">1320 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1321" class="LineNr">1321 </span>  <span class="muComment">#</span>
-<span id="L1322" class="LineNr">1322 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1323" class="LineNr">1323 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1324" class="LineNr">1324 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
-<span id="L1325" class="LineNr">1325 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1326" class="LineNr">1326 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1327" class="LineNr">1327 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1328" class="LineNr">1328 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1329" class="LineNr">1329 </span>  <span class="muComment">#</span>
-<span id="L1330" class="LineNr">1330 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1331" class="LineNr">1331 </span>  <span class="muComment">#</span>
-<span id="L1332" class="LineNr">1332 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/pre-0&quot;</span>
-<span id="L1333" class="LineNr">1333 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/pre-0/cursor&quot;</span>
-<span id="L1334" class="LineNr">1334 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/pre-1&quot;</span>
-<span id="L1335" class="LineNr">1335 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/pre-1/cursor&quot;</span>
-<span id="L1336" class="LineNr">1336 </span>  <span class="muComment"># expand</span>
-<span id="L1337" class="LineNr">1337 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1338" class="LineNr">1338 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1339" class="LineNr">1339 </span>  <span class="muComment">#</span>
-<span id="L1340" class="LineNr">1340 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-0&quot;</span>
-<span id="L1341" class="LineNr">1341 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-0/cursor&quot;</span>
-<span id="L1342" class="LineNr">1342 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-1&quot;</span>
-<span id="L1343" class="LineNr">1343 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-1/cursor&quot;</span>
-<span id="L1344" class="LineNr">1344 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-2&quot;</span>
-<span id="L1345" class="LineNr">1345 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;              &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/expand-2/cursor&quot;</span>
-<span id="L1346" class="LineNr">1346 </span>  <span class="muComment"># cursor down</span>
-<span id="L1347" class="LineNr">1347 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1348" class="LineNr">1348 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1349" class="LineNr">1349 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1350" class="LineNr">1350 </span>  <span class="muComment">#</span>
-<span id="L1351" class="LineNr">1351 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-0&quot;</span>
-<span id="L1352" class="LineNr">1352 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-0/cursor&quot;</span>
-<span id="L1353" class="LineNr">1353 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-1&quot;</span>
-<span id="L1354" class="LineNr">1354 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-1/cursor&quot;</span>
-<span id="L1355" class="LineNr">1355 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-2&quot;</span>
-<span id="L1356" class="LineNr">1356 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/down-2/cursor&quot;</span>
-<span id="L1357" class="LineNr">1357 </span>  <span class="muComment"># recreate trace with entirely different lines</span>
-<span id="L1358" class="LineNr">1358 </span>  <a href='trace.mu.html#L45'>clear-trace</a> t
-<span id="L1359" class="LineNr">1359 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 4&quot;</span>
-<span id="L1360" class="LineNr">1360 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 5&quot;</span>
-<span id="L1361" class="LineNr">1361 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 6&quot;</span>
-<span id="L1362" class="LineNr">1362 </span>  <a href='trace.mu.html#L345'>mark-lines-dirty</a> t
-<span id="L1363" class="LineNr">1363 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1364" class="LineNr">1364 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1365" class="LineNr">1365 </span>  <span class="muComment"># trace collapses, and cursor bumps up</span>
-<span id="L1366" class="LineNr">1366 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-0&quot;</span>
-<span id="L1367" class="LineNr">1367 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-0/cursor&quot;</span>
-<span id="L1368" class="LineNr">1368 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-1&quot;</span>
-<span id="L1369" class="LineNr">1369 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-1/cursor&quot;</span>
-<span id="L1370" class="LineNr">1370 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-2&quot;</span>
-<span id="L1371" class="LineNr">1371 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1317'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-2/cursor&quot;</span>
+<span id="L1212" class="LineNr">1212 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1213" class="LineNr">1213 </span>  <span class="muComment">#</span>
+<span id="L1214" class="LineNr">1214 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-0&quot;</span>
+<span id="L1215" class="LineNr">1215 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-0/cursor&quot;</span>
+<span id="L1216" class="LineNr">1216 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-1&quot;</span>
+<span id="L1217" class="LineNr">1217 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-1/cursor&quot;</span>
+<span id="L1218" class="LineNr">1218 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-2&quot;</span>
+<span id="L1219" class="LineNr">1219 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/pre-2/cursor&quot;</span>
+<span id="L1220" class="LineNr">1220 </span>  <span class="muComment"># cursor down several times</span>
+<span id="L1221" class="LineNr">1221 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1222" class="LineNr">1222 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1223" class="LineNr">1223 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1224" class="LineNr">1224 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1225" class="LineNr">1225 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1226" class="LineNr">1226 </span>  <span class="muComment"># hack: we do need to render to make this test pass; we're mixing state management with rendering</span>
+<span id="L1227" class="LineNr">1227 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0xa</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1228" class="LineNr">1228 </span>  <span class="muComment"># cursor clamps at bottom</span>
+<span id="L1229" class="LineNr">1229 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-0&quot;</span>
+<span id="L1230" class="LineNr">1230 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-0/cursor&quot;</span>
+<span id="L1231" class="LineNr">1231 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;error &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-1&quot;</span>
+<span id="L1232" class="LineNr">1232 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-1/cursor&quot;</span>
+<span id="L1233" class="LineNr">1233 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;...   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-2&quot;</span>
+<span id="L1234" class="LineNr">1234 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;|||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1199'>test-cursor-down-past-bottom-of-trace</a>/down-2/cursor&quot;</span>
+<span id="L1235" class="LineNr">1235 </span><span class="Delimiter">}</span>
+<span id="L1236" class="LineNr">1236 </span>
+<span id="L1237" class="LineNr">1237 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1237'>test-expand-within-trace</a></span> <span class="Delimiter">{</span>
+<span id="L1238" class="LineNr">1238 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1239" class="LineNr">1239 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1240" class="LineNr">1240 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1241" class="LineNr">1241 </span>  <span class="muComment">#</span>
+<span id="L1242" class="LineNr">1242 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1243" class="LineNr">1243 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1244" class="LineNr">1244 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1245" class="LineNr">1245 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1246" class="LineNr">1246 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1247" class="LineNr">1247 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1248" class="LineNr">1248 </span>  <span class="muComment">#</span>
+<span id="L1249" class="LineNr">1249 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1250" class="LineNr">1250 </span>  <span class="muComment">#</span>
+<span id="L1251" class="LineNr">1251 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/pre-0&quot;</span>
+<span id="L1252" class="LineNr">1252 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/pre-0/cursor&quot;</span>
+<span id="L1253" class="LineNr">1253 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/pre-1&quot;</span>
+<span id="L1254" class="LineNr">1254 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/pre-1/cursor&quot;</span>
+<span id="L1255" class="LineNr">1255 </span>  <span class="muComment"># expand</span>
+<span id="L1256" class="LineNr">1256 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1257" class="LineNr">1257 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1258" class="LineNr">1258 </span>  <span class="muComment">#</span>
+<span id="L1259" class="LineNr">1259 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-0&quot;</span>
+<span id="L1260" class="LineNr">1260 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-0/cursor&quot;</span>
+<span id="L1261" class="LineNr">1261 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-1&quot;</span>
+<span id="L1262" class="LineNr">1262 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-1/cursor&quot;</span>
+<span id="L1263" class="LineNr">1263 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-2&quot;</span>
+<span id="L1264" class="LineNr">1264 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1237'>test-expand-within-trace</a>/expand-2/cursor&quot;</span>
+<span id="L1265" class="LineNr">1265 </span><span class="Delimiter">}</span>
+<span id="L1266" class="LineNr">1266 </span>
+<span id="L1267" class="LineNr">1267 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a></span> <span class="Delimiter">{</span>
+<span id="L1268" class="LineNr">1268 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1269" class="LineNr">1269 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1270" class="LineNr">1270 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1271" class="LineNr">1271 </span>  <span class="muComment">#</span>
+<span id="L1272" class="LineNr">1272 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1273" class="LineNr">1273 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1274" class="LineNr">1274 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1275" class="LineNr">1275 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1276" class="LineNr">1276 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1277" class="LineNr">1277 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1278" class="LineNr">1278 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1279" class="LineNr">1279 </span>  <span class="muComment">#</span>
+<span id="L1280" class="LineNr">1280 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1281" class="LineNr">1281 </span>  <span class="muComment">#</span>
+<span id="L1282" class="LineNr">1282 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/pre-0&quot;</span>
+<span id="L1283" class="LineNr">1283 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/pre-0/cursor&quot;</span>
+<span id="L1284" class="LineNr">1284 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/pre-1&quot;</span>
+<span id="L1285" class="LineNr">1285 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/pre-1/cursor&quot;</span>
+<span id="L1286" class="LineNr">1286 </span>  <span class="muComment"># expand</span>
+<span id="L1287" class="LineNr">1287 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1288" class="LineNr">1288 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1289" class="LineNr">1289 </span>  <span class="muComment">#</span>
+<span id="L1290" class="LineNr">1290 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-0&quot;</span>
+<span id="L1291" class="LineNr">1291 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-0/cursor&quot;</span>
+<span id="L1292" class="LineNr">1292 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-1&quot;</span>
+<span id="L1293" class="LineNr">1293 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-1/cursor&quot;</span>
+<span id="L1294" class="LineNr">1294 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-2&quot;</span>
+<span id="L1295" class="LineNr">1295 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1267'>test-trace-expand-skips-lower-depth</a>/expand-2/cursor&quot;</span>
+<span id="L1296" class="LineNr">1296 </span><span class="Delimiter">}</span>
+<span id="L1297" class="LineNr">1297 </span>
+<span id="L1298" class="LineNr">1298 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a></span> <span class="Delimiter">{</span>
+<span id="L1299" class="LineNr">1299 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1300" class="LineNr">1300 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1301" class="LineNr">1301 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1302" class="LineNr">1302 </span>  <span class="muComment">#</span>
+<span id="L1303" class="LineNr">1303 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1304" class="LineNr">1304 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1305" class="LineNr">1305 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1306" class="LineNr">1306 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1307" class="LineNr">1307 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1308" class="LineNr">1308 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1309" class="LineNr">1309 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1310" class="LineNr">1310 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1311" class="LineNr">1311 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1312" class="LineNr">1312 </span>  <span class="muComment">#</span>
+<span id="L1313" class="LineNr">1313 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1314" class="LineNr">1314 </span>  <span class="muComment">#</span>
+<span id="L1315" class="LineNr">1315 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/pre-0&quot;</span>
+<span id="L1316" class="LineNr">1316 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/pre-0/cursor&quot;</span>
+<span id="L1317" class="LineNr">1317 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/pre-1&quot;</span>
+<span id="L1318" class="LineNr">1318 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/pre-1/cursor&quot;</span>
+<span id="L1319" class="LineNr">1319 </span>  <span class="muComment"># expand</span>
+<span id="L1320" class="LineNr">1320 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1321" class="LineNr">1321 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1322" class="LineNr">1322 </span>  <span class="muComment">#</span>
+<span id="L1323" class="LineNr">1323 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-0&quot;</span>
+<span id="L1324" class="LineNr">1324 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-0/cursor&quot;</span>
+<span id="L1325" class="LineNr">1325 </span>  <span class="muComment"># TODO: might be too wasteful to show every place where lines are hidden</span>
+<span id="L1326" class="LineNr">1326 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...      &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-1&quot;</span>
+<span id="L1327" class="LineNr">1327 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-1/cursor&quot;</span>
+<span id="L1328" class="LineNr">1328 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-2&quot;</span>
+<span id="L1329" class="LineNr">1329 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;         &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1298'>test-trace-expand-continues-past-lower-depth</a>/expand-2/cursor&quot;</span>
+<span id="L1330" class="LineNr">1330 </span><span class="Delimiter">}</span>
+<span id="L1331" class="LineNr">1331 </span>
+<span id="L1332" class="LineNr">1332 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a></span> <span class="Delimiter">{</span>
+<span id="L1333" class="LineNr">1333 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1334" class="LineNr">1334 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1335" class="LineNr">1335 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1336" class="LineNr">1336 </span>  <span class="muComment">#</span>
+<span id="L1337" class="LineNr">1337 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1338" class="LineNr">1338 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1339" class="LineNr">1339 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1340" class="LineNr">1340 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1.1&quot;</span>
+<span id="L1341" class="LineNr">1341 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1342" class="LineNr">1342 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.2&quot;</span>
+<span id="L1343" class="LineNr">1343 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1344" class="LineNr">1344 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1345" class="LineNr">1345 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1346" class="LineNr">1346 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.1&quot;</span>
+<span id="L1347" class="LineNr">1347 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1348" class="LineNr">1348 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1349" class="LineNr">1349 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1350" class="LineNr">1350 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">8</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1351" class="LineNr">1351 </span>  <span class="muComment">#</span>
+<span id="L1352" class="LineNr">1352 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1353" class="LineNr">1353 </span>  <span class="muComment">#</span>
+<span id="L1354" class="LineNr">1354 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/pre-0&quot;</span>
+<span id="L1355" class="LineNr">1355 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/pre-0/cursor&quot;</span>
+<span id="L1356" class="LineNr">1356 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/pre-1&quot;</span>
+<span id="L1357" class="LineNr">1357 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/pre-1/cursor&quot;</span>
+<span id="L1358" class="LineNr">1358 </span>  <span class="muComment"># expand</span>
+<span id="L1359" class="LineNr">1359 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1360" class="LineNr">1360 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1361" class="LineNr">1361 </span>  <span class="muComment">#</span>
+<span id="L1362" class="LineNr">1362 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;2 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-0&quot;</span>
+<span id="L1363" class="LineNr">1363 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-0/cursor&quot;</span>
+<span id="L1364" class="LineNr">1364 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-1&quot;</span>
+<span id="L1365" class="LineNr">1365 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-1/cursor&quot;</span>
+<span id="L1366" class="LineNr">1366 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;2 line 1.2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-2&quot;</span>
+<span id="L1367" class="LineNr">1367 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-2/cursor&quot;</span>
+<span id="L1368" class="LineNr">1368 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-3&quot;</span>
+<span id="L1369" class="LineNr">1369 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-3/cursor&quot;</span>
+<span id="L1370" class="LineNr">1370 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-4&quot;</span>
+<span id="L1371" class="LineNr">1371 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1332'>test-trace-expand-stops-at-higher-depth</a>/expand-4/cursor&quot;</span>
 <span id="L1372" class="LineNr">1372 </span><span class="Delimiter">}</span>
 <span id="L1373" class="LineNr">1373 </span>
-<span id="L1374" class="LineNr">1374 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a></span> <span class="Delimiter">{</span>
+<span id="L1374" class="LineNr">1374 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1374'>test-trace-expand-twice</a></span> <span class="Delimiter">{</span>
 <span id="L1375" class="LineNr">1375 </span>  <span class="PreProc">var</span> t-storage: trace
 <span id="L1376" class="LineNr">1376 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1377" class="LineNr">1377 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1377" class="LineNr">1377 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
 <span id="L1378" class="LineNr">1378 </span>  <span class="muComment">#</span>
-<span id="L1379" class="LineNr">1379 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1380" class="LineNr">1380 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1381" class="LineNr">1381 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1382" class="LineNr">1382 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1383" class="LineNr">1383 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1379" class="LineNr">1379 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1380" class="LineNr">1380 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1381" class="LineNr">1381 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1382" class="LineNr">1382 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1383" class="LineNr">1383 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
 <span id="L1384" class="LineNr">1384 </span>  <span class="muComment"># setup: screen</span>
 <span id="L1385" class="LineNr">1385 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
 <span id="L1386" class="LineNr">1386 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
 <span id="L1387" class="LineNr">1387 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
 <span id="L1388" class="LineNr">1388 </span>  <span class="muComment">#</span>
-<span id="L1389" class="LineNr">1389 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1389" class="LineNr">1389 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
 <span id="L1390" class="LineNr">1390 </span>  <span class="muComment">#</span>
-<span id="L1391" class="LineNr">1391 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/pre-0&quot;</span>
-<span id="L1392" class="LineNr">1392 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/pre-0/cursor&quot;</span>
-<span id="L1393" class="LineNr">1393 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/pre-1&quot;</span>
-<span id="L1394" class="LineNr">1394 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/pre-1/cursor&quot;</span>
+<span id="L1391" class="LineNr">1391 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/pre-0&quot;</span>
+<span id="L1392" class="LineNr">1392 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/pre-0/cursor&quot;</span>
+<span id="L1393" class="LineNr">1393 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/pre-1&quot;</span>
+<span id="L1394" class="LineNr">1394 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/pre-1/cursor&quot;</span>
 <span id="L1395" class="LineNr">1395 </span>  <span class="muComment"># expand</span>
-<span id="L1396" class="LineNr">1396 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1397" class="LineNr">1397 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1396" class="LineNr">1396 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1397" class="LineNr">1397 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
 <span id="L1398" class="LineNr">1398 </span>  <span class="muComment">#</span>
-<span id="L1399" class="LineNr">1399 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-0&quot;</span>
-<span id="L1400" class="LineNr">1400 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-0/cursor&quot;</span>
-<span id="L1401" class="LineNr">1401 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-1&quot;</span>
-<span id="L1402" class="LineNr">1402 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-1/cursor&quot;</span>
-<span id="L1403" class="LineNr">1403 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-2&quot;</span>
-<span id="L1404" class="LineNr">1404 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/expand-2/cursor&quot;</span>
-<span id="L1405" class="LineNr">1405 </span>  <span class="muComment"># collapse</span>
-<span id="L1406" class="LineNr">1406 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1399" class="LineNr">1399 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-0&quot;</span>
+<span id="L1400" class="LineNr">1400 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-0/cursor&quot;</span>
+<span id="L1401" class="LineNr">1401 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-1&quot;</span>
+<span id="L1402" class="LineNr">1402 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-1/cursor&quot;</span>
+<span id="L1403" class="LineNr">1403 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-2&quot;</span>
+<span id="L1404" class="LineNr">1404 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand-2/cursor&quot;</span>
+<span id="L1405" class="LineNr">1405 </span>  <span class="muComment"># cursor down</span>
+<span id="L1406" class="LineNr">1406 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
 <span id="L1407" class="LineNr">1407 </span>  <span class="muComment"># hack: we need to render here to make this test pass; we're mixing state management with rendering</span>
-<span id="L1408" class="LineNr">1408 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1409" class="LineNr">1409 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1410" class="LineNr">1410 </span>  <span class="muComment">#</span>
-<span id="L1411" class="LineNr">1411 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/post-0/y&quot;</span>
-<span id="L1412" class="LineNr">1412 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/post-0&quot;</span>
-<span id="L1413" class="LineNr">1413 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/post-0/cursor&quot;</span>
-<span id="L1414" class="LineNr">1414 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/post-1&quot;</span>
-<span id="L1415" class="LineNr">1415 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-collapse-at-top</a>/post-1/cursor&quot;</span>
-<span id="L1416" class="LineNr">1416 </span><span class="Delimiter">}</span>
-<span id="L1417" class="LineNr">1417 </span>
-<span id="L1418" class="LineNr">1418 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1418'>test-trace-collapse</a></span> <span class="Delimiter">{</span>
-<span id="L1419" class="LineNr">1419 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1420" class="LineNr">1420 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1421" class="LineNr">1421 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1422" class="LineNr">1422 </span>  <span class="muComment">#</span>
-<span id="L1423" class="LineNr">1423 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1424" class="LineNr">1424 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1425" class="LineNr">1425 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1426" class="LineNr">1426 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1427" class="LineNr">1427 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1428" class="LineNr">1428 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1429" class="LineNr">1429 </span>  <span class="muComment">#</span>
-<span id="L1430" class="LineNr">1430 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1431" class="LineNr">1431 </span>  <span class="muComment">#</span>
-<span id="L1432" class="LineNr">1432 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/pre-0&quot;</span>
-<span id="L1433" class="LineNr">1433 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/pre-0/cursor&quot;</span>
-<span id="L1434" class="LineNr">1434 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/pre-1&quot;</span>
-<span id="L1435" class="LineNr">1435 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/pre-1/cursor&quot;</span>
-<span id="L1436" class="LineNr">1436 </span>  <span class="muComment"># expand</span>
-<span id="L1437" class="LineNr">1437 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1438" class="LineNr">1438 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1439" class="LineNr">1439 </span>  <span class="muComment">#</span>
-<span id="L1440" class="LineNr">1440 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/expand-0&quot;</span>
-<span id="L1441" class="LineNr">1441 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/expand-0/cursor&quot;</span>
-<span id="L1442" class="LineNr">1442 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/expand-1&quot;</span>
-<span id="L1443" class="LineNr">1443 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/expand-1/cursor&quot;</span>
-<span id="L1444" class="LineNr">1444 </span>  <span class="muComment"># cursor down</span>
-<span id="L1445" class="LineNr">1445 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1446" class="LineNr">1446 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1447" class="LineNr">1447 </span>  <span class="muComment"># collapse</span>
-<span id="L1448" class="LineNr">1448 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">8</span>/backspace
-<span id="L1449" class="LineNr">1449 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1450" class="LineNr">1450 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1451" class="LineNr">1451 </span>  <span class="muComment">#</span>
-<span id="L1452" class="LineNr">1452 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/post-0/y&quot;</span>
-<span id="L1453" class="LineNr">1453 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/post-0&quot;</span>
-<span id="L1454" class="LineNr">1454 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/post-0/cursor&quot;</span>
-<span id="L1455" class="LineNr">1455 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/post-1&quot;</span>
-<span id="L1456" class="LineNr">1456 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1418'>test-trace-collapse</a>/post-1/cursor&quot;</span>
-<span id="L1457" class="LineNr">1457 </span><span class="Delimiter">}</span>
-<span id="L1458" class="LineNr">1458 </span>
-<span id="L1459" class="LineNr">1459 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a></span> <span class="Delimiter">{</span>
-<span id="L1460" class="LineNr">1460 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1461" class="LineNr">1461 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1462" class="LineNr">1462 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1463" class="LineNr">1463 </span>  <span class="muComment">#</span>
-<span id="L1464" class="LineNr">1464 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1465" class="LineNr">1465 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1466" class="LineNr">1466 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1467" class="LineNr">1467 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1468" class="LineNr">1468 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1469" class="LineNr">1469 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1470" class="LineNr">1470 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1471" class="LineNr">1471 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1472" class="LineNr">1472 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1473" class="LineNr">1473 </span>  <span class="muComment">#</span>
-<span id="L1474" class="LineNr">1474 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1475" class="LineNr">1475 </span>  <span class="muComment">#</span>
-<span id="L1476" class="LineNr">1476 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/pre-0&quot;</span>
-<span id="L1477" class="LineNr">1477 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/pre-0/cursor&quot;</span>
-<span id="L1478" class="LineNr">1478 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/pre-1&quot;</span>
-<span id="L1479" class="LineNr">1479 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/pre-1/cursor&quot;</span>
-<span id="L1480" class="LineNr">1480 </span>  <span class="muComment"># expand</span>
-<span id="L1481" class="LineNr">1481 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1482" class="LineNr">1482 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1483" class="LineNr">1483 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
-<span id="L1484" class="LineNr">1484 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-0&quot;</span>
-<span id="L1485" class="LineNr">1485 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-0/cursor&quot;</span>
-<span id="L1486" class="LineNr">1486 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-1&quot;</span>
-<span id="L1487" class="LineNr">1487 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-1/cursor&quot;</span>
-<span id="L1488" class="LineNr">1488 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-2&quot;</span>
-<span id="L1489" class="LineNr">1489 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/expand-2/cursor&quot;</span>
-<span id="L1490" class="LineNr">1490 </span>  <span class="muComment"># cursor down to second visible line</span>
-<span id="L1491" class="LineNr">1491 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1492" class="LineNr">1492 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1493" class="LineNr">1493 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1494" class="LineNr">1494 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1495" class="LineNr">1495 </span>  <span class="muComment"># collapse</span>
-<span id="L1496" class="LineNr">1496 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">8</span>/backspace
-<span id="L1497" class="LineNr">1497 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1498" class="LineNr">1498 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1499" class="LineNr">1499 </span>  <span class="muComment">#</span>
-<span id="L1500" class="LineNr">1500 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-0/y&quot;</span>
-<span id="L1501" class="LineNr">1501 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
-<span id="L1502" class="LineNr">1502 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-0/cursor-y&quot;</span>
-<span id="L1503" class="LineNr">1503 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-0&quot;</span>
-<span id="L1504" class="LineNr">1504 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-0/cursor&quot;</span>
-<span id="L1505" class="LineNr">1505 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-1&quot;</span>
-<span id="L1506" class="LineNr">1506 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1459'>test-trace-collapse-skips-invisible-lines</a>/post-1/cursor&quot;</span>
-<span id="L1507" class="LineNr">1507 </span><span class="Delimiter">}</span>
-<span id="L1508" class="LineNr">1508 </span>
-<span id="L1509" class="LineNr">1509 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a></span> <span class="Delimiter">{</span>
-<span id="L1510" class="LineNr">1510 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1511" class="LineNr">1511 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1512" class="LineNr">1512 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1513" class="LineNr">1513 </span>  <span class="muComment">#</span>
-<span id="L1514" class="LineNr">1514 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1515" class="LineNr">1515 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1516" class="LineNr">1516 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1517" class="LineNr">1517 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1518" class="LineNr">1518 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1519" class="LineNr">1519 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1520" class="LineNr">1520 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1521" class="LineNr">1521 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1522" class="LineNr">1522 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1523" class="LineNr">1523 </span>  <span class="muComment">#</span>
-<span id="L1524" class="LineNr">1524 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1525" class="LineNr">1525 </span>  <span class="muComment">#</span>
-<span id="L1526" class="LineNr">1526 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/pre-0&quot;</span>
-<span id="L1527" class="LineNr">1527 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/pre-0/cursor&quot;</span>
-<span id="L1528" class="LineNr">1528 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/pre-1&quot;</span>
-<span id="L1529" class="LineNr">1529 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/pre-1/cursor&quot;</span>
-<span id="L1530" class="LineNr">1530 </span>  <span class="muComment"># expand</span>
-<span id="L1531" class="LineNr">1531 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1532" class="LineNr">1532 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1533" class="LineNr">1533 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
-<span id="L1534" class="LineNr">1534 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-0&quot;</span>
-<span id="L1535" class="LineNr">1535 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-0/cursor&quot;</span>
-<span id="L1536" class="LineNr">1536 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-1&quot;</span>
-<span id="L1537" class="LineNr">1537 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-1/cursor&quot;</span>
-<span id="L1538" class="LineNr">1538 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-2&quot;</span>
-<span id="L1539" class="LineNr">1539 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand-2/cursor&quot;</span>
-<span id="L1540" class="LineNr">1540 </span>  <span class="muComment"># cursor down to ellipses</span>
-<span id="L1541" class="LineNr">1541 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1542" class="LineNr">1542 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1543" class="LineNr">1543 </span>  <span class="muComment"># expand</span>
-<span id="L1544" class="LineNr">1544 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1545" class="LineNr">1545 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1546" class="LineNr">1546 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
-<span id="L1547" class="LineNr">1547 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-0&quot;</span>
-<span id="L1548" class="LineNr">1548 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-0/cursor&quot;</span>
-<span id="L1549" class="LineNr">1549 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-1&quot;</span>
-<span id="L1550" class="LineNr">1550 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-1/cursor&quot;</span>
-<span id="L1551" class="LineNr">1551 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-2&quot;</span>
-<span id="L1552" class="LineNr">1552 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/expand2-2/cursor&quot;</span>
-<span id="L1553" class="LineNr">1553 </span>  <span class="muComment"># cursor down to second visible line</span>
-<span id="L1554" class="LineNr">1554 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1555" class="LineNr">1555 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1556" class="LineNr">1556 </span>  <span class="muComment"># collapse</span>
-<span id="L1557" class="LineNr">1557 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">8</span>/backspace
-<span id="L1558" class="LineNr">1558 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1559" class="LineNr">1559 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1408" class="LineNr">1408 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1409" class="LineNr">1409 </span>  <span class="muComment">#</span>
+<span id="L1410" class="LineNr">1410 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-0&quot;</span>
+<span id="L1411" class="LineNr">1411 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-0/cursor&quot;</span>
+<span id="L1412" class="LineNr">1412 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-1&quot;</span>
+<span id="L1413" class="LineNr">1413 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-1/cursor&quot;</span>
+<span id="L1414" class="LineNr">1414 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-2&quot;</span>
+<span id="L1415" class="LineNr">1415 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/down-2/cursor&quot;</span>
+<span id="L1416" class="LineNr">1416 </span>  <span class="muComment"># expand again</span>
+<span id="L1417" class="LineNr">1417 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1418" class="LineNr">1418 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1419" class="LineNr">1419 </span>  <span class="muComment">#</span>
+<span id="L1420" class="LineNr">1420 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-0&quot;</span>
+<span id="L1421" class="LineNr">1421 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-0/cursor&quot;</span>
+<span id="L1422" class="LineNr">1422 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;2 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-1&quot;</span>
+<span id="L1423" class="LineNr">1423 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-1/cursor&quot;</span>
+<span id="L1424" class="LineNr">1424 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-2&quot;</span>
+<span id="L1425" class="LineNr">1425 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1374'>test-trace-expand-twice</a>/expand2-2/cursor&quot;</span>
+<span id="L1426" class="LineNr">1426 </span><span class="Delimiter">}</span>
+<span id="L1427" class="LineNr">1427 </span>
+<span id="L1428" class="LineNr">1428 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a></span> <span class="Delimiter">{</span>
+<span id="L1429" class="LineNr">1429 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1430" class="LineNr">1430 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1431" class="LineNr">1431 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1432" class="LineNr">1432 </span>  <span class="muComment">#</span>
+<span id="L1433" class="LineNr">1433 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1434" class="LineNr">1434 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1435" class="LineNr">1435 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1436" class="LineNr">1436 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1437" class="LineNr">1437 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1438" class="LineNr">1438 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1439" class="LineNr">1439 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1440" class="LineNr">1440 </span>  <span class="muComment">#</span>
+<span id="L1441" class="LineNr">1441 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1442" class="LineNr">1442 </span>  <span class="muComment">#</span>
+<span id="L1443" class="LineNr">1443 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/pre-0&quot;</span>
+<span id="L1444" class="LineNr">1444 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/pre-0/cursor&quot;</span>
+<span id="L1445" class="LineNr">1445 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/pre-1&quot;</span>
+<span id="L1446" class="LineNr">1446 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/pre-1/cursor&quot;</span>
+<span id="L1447" class="LineNr">1447 </span>  <span class="muComment"># expand</span>
+<span id="L1448" class="LineNr">1448 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1449" class="LineNr">1449 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1450" class="LineNr">1450 </span>  <span class="muComment">#</span>
+<span id="L1451" class="LineNr">1451 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-0&quot;</span>
+<span id="L1452" class="LineNr">1452 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-0/cursor&quot;</span>
+<span id="L1453" class="LineNr">1453 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-1&quot;</span>
+<span id="L1454" class="LineNr">1454 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-1/cursor&quot;</span>
+<span id="L1455" class="LineNr">1455 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-2&quot;</span>
+<span id="L1456" class="LineNr">1456 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/expand-2/cursor&quot;</span>
+<span id="L1457" class="LineNr">1457 </span>  <span class="muComment"># cursor down</span>
+<span id="L1458" class="LineNr">1458 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1459" class="LineNr">1459 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1460" class="LineNr">1460 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1461" class="LineNr">1461 </span>  <span class="muComment">#</span>
+<span id="L1462" class="LineNr">1462 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-0&quot;</span>
+<span id="L1463" class="LineNr">1463 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-0/cursor&quot;</span>
+<span id="L1464" class="LineNr">1464 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-1&quot;</span>
+<span id="L1465" class="LineNr">1465 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-1/cursor&quot;</span>
+<span id="L1466" class="LineNr">1466 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-2&quot;</span>
+<span id="L1467" class="LineNr">1467 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/down-2/cursor&quot;</span>
+<span id="L1468" class="LineNr">1468 </span>  <span class="muComment"># recreate trace</span>
+<span id="L1469" class="LineNr">1469 </span>  <a href='trace.mu.html#L69'>clear-trace</a> t
+<span id="L1470" class="LineNr">1470 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1471" class="LineNr">1471 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1472" class="LineNr">1472 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1473" class="LineNr">1473 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1474" class="LineNr">1474 </span>  <span class="muComment"># cursor remains unchanged</span>
+<span id="L1475" class="LineNr">1475 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-0&quot;</span>
+<span id="L1476" class="LineNr">1476 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-0/cursor&quot;</span>
+<span id="L1477" class="LineNr">1477 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-1&quot;</span>
+<span id="L1478" class="LineNr">1478 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-1/cursor&quot;</span>
+<span id="L1479" class="LineNr">1479 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-2&quot;</span>
+<span id="L1480" class="LineNr">1480 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1428'>test-trace-refresh-cursor</a>/refresh-2/cursor&quot;</span>
+<span id="L1481" class="LineNr">1481 </span><span class="Delimiter">}</span>
+<span id="L1482" class="LineNr">1482 </span>
+<span id="L1483" class="LineNr">1483 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a></span> <span class="Delimiter">{</span>
+<span id="L1484" class="LineNr">1484 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1485" class="LineNr">1485 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1486" class="LineNr">1486 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1487" class="LineNr">1487 </span>  <span class="muComment">#</span>
+<span id="L1488" class="LineNr">1488 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1489" class="LineNr">1489 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1490" class="LineNr">1490 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1491" class="LineNr">1491 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1492" class="LineNr">1492 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1493" class="LineNr">1493 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1494" class="LineNr">1494 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1495" class="LineNr">1495 </span>  <span class="muComment">#</span>
+<span id="L1496" class="LineNr">1496 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1497" class="LineNr">1497 </span>  <span class="muComment">#</span>
+<span id="L1498" class="LineNr">1498 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/pre-0&quot;</span>
+<span id="L1499" class="LineNr">1499 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/pre-0/cursor&quot;</span>
+<span id="L1500" class="LineNr">1500 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/pre-1&quot;</span>
+<span id="L1501" class="LineNr">1501 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/pre-1/cursor&quot;</span>
+<span id="L1502" class="LineNr">1502 </span>  <span class="muComment"># expand</span>
+<span id="L1503" class="LineNr">1503 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1504" class="LineNr">1504 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1505" class="LineNr">1505 </span>  <span class="muComment">#</span>
+<span id="L1506" class="LineNr">1506 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-0&quot;</span>
+<span id="L1507" class="LineNr">1507 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-0/cursor&quot;</span>
+<span id="L1508" class="LineNr">1508 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-1&quot;</span>
+<span id="L1509" class="LineNr">1509 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-1/cursor&quot;</span>
+<span id="L1510" class="LineNr">1510 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-2&quot;</span>
+<span id="L1511" class="LineNr">1511 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;              &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/expand-2/cursor&quot;</span>
+<span id="L1512" class="LineNr">1512 </span>  <span class="muComment"># cursor down</span>
+<span id="L1513" class="LineNr">1513 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1514" class="LineNr">1514 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1515" class="LineNr">1515 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1516" class="LineNr">1516 </span>  <span class="muComment">#</span>
+<span id="L1517" class="LineNr">1517 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-0&quot;</span>
+<span id="L1518" class="LineNr">1518 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-0/cursor&quot;</span>
+<span id="L1519" class="LineNr">1519 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-1&quot;</span>
+<span id="L1520" class="LineNr">1520 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-1/cursor&quot;</span>
+<span id="L1521" class="LineNr">1521 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-2&quot;</span>
+<span id="L1522" class="LineNr">1522 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/down-2/cursor&quot;</span>
+<span id="L1523" class="LineNr">1523 </span>  <span class="muComment"># recreate trace with slightly different lines</span>
+<span id="L1524" class="LineNr">1524 </span>  <a href='trace.mu.html#L69'>clear-trace</a> t
+<span id="L1525" class="LineNr">1525 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 4&quot;</span>
+<span id="L1526" class="LineNr">1526 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 5&quot;</span>
+<span id="L1527" class="LineNr">1527 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>  <span class="muComment"># cursor line is unchanged</span>
+<span id="L1528" class="LineNr">1528 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1529" class="LineNr">1529 </span>  <span class="muComment"># cursor remains unchanged</span>
+<span id="L1530" class="LineNr">1530 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 4   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-0&quot;</span>
+<span id="L1531" class="LineNr">1531 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-0/cursor&quot;</span>
+<span id="L1532" class="LineNr">1532 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 5   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-1&quot;</span>
+<span id="L1533" class="LineNr">1533 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-1/cursor&quot;</span>
+<span id="L1534" class="LineNr">1534 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-2&quot;</span>
+<span id="L1535" class="LineNr">1535 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1483'>test-trace-preserve-cursor-on-refresh</a>/refresh-2/cursor&quot;</span>
+<span id="L1536" class="LineNr">1536 </span><span class="Delimiter">}</span>
+<span id="L1537" class="LineNr">1537 </span>
+<span id="L1538" class="LineNr">1538 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a></span> <span class="Delimiter">{</span>
+<span id="L1539" class="LineNr">1539 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1540" class="LineNr">1540 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1541" class="LineNr">1541 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1542" class="LineNr">1542 </span>  <span class="muComment">#</span>
+<span id="L1543" class="LineNr">1543 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1544" class="LineNr">1544 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1545" class="LineNr">1545 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1546" class="LineNr">1546 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1547" class="LineNr">1547 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1548" class="LineNr">1548 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1549" class="LineNr">1549 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1550" class="LineNr">1550 </span>  <span class="muComment">#</span>
+<span id="L1551" class="LineNr">1551 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1552" class="LineNr">1552 </span>  <span class="muComment">#</span>
+<span id="L1553" class="LineNr">1553 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/pre-0&quot;</span>
+<span id="L1554" class="LineNr">1554 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/pre-0/cursor&quot;</span>
+<span id="L1555" class="LineNr">1555 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/pre-1&quot;</span>
+<span id="L1556" class="LineNr">1556 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/pre-1/cursor&quot;</span>
+<span id="L1557" class="LineNr">1557 </span>  <span class="muComment"># expand</span>
+<span id="L1558" class="LineNr">1558 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1559" class="LineNr">1559 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
 <span id="L1560" class="LineNr">1560 </span>  <span class="muComment">#</span>
-<span id="L1561" class="LineNr">1561 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-0/y&quot;</span>
-<span id="L1562" class="LineNr">1562 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
-<span id="L1563" class="LineNr">1563 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-0/cursor-y&quot;</span>
-<span id="L1564" class="LineNr">1564 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-0&quot;</span>
-<span id="L1565" class="LineNr">1565 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-0/cursor&quot;</span>
-<span id="L1566" class="LineNr">1566 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-1&quot;</span>
-<span id="L1567" class="LineNr">1567 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1509'>test-trace-collapse-two-levels</a>/post-1/cursor&quot;</span>
-<span id="L1568" class="LineNr">1568 </span><span class="Delimiter">}</span>
-<span id="L1569" class="LineNr">1569 </span>
-<span id="L1570" class="LineNr">1570 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a></span> <span class="Delimiter">{</span>
-<span id="L1571" class="LineNr">1571 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L1572" class="LineNr">1572 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L1573" class="LineNr">1573 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
-<span id="L1574" class="LineNr">1574 </span>  <span class="muComment">#</span>
-<span id="L1575" class="LineNr">1575 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
-<span id="L1576" class="LineNr">1576 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1577" class="LineNr">1577 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
-<span id="L1578" class="LineNr">1578 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1579" class="LineNr">1579 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
-<span id="L1580" class="LineNr">1580 </span>  <a href='trace.mu.html#L147'>trace-lower</a> t
-<span id="L1581" class="LineNr">1581 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.1&quot;</span>
-<span id="L1582" class="LineNr">1582 </span>  <a href='trace.mu.html#L120'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.2&quot;</span>
-<span id="L1583" class="LineNr">1583 </span>  <a href='trace.mu.html#L155'>trace-higher</a> t
-<span id="L1584" class="LineNr">1584 </span>  <span class="muComment"># setup: screen</span>
-<span id="L1585" class="LineNr">1585 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1586" class="LineNr">1586 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
-<span id="L1587" class="LineNr">1587 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">8</span>/height, <span class="Constant">0</span>/no-pixel-graphics
-<span id="L1588" class="LineNr">1588 </span>  <span class="muComment">#</span>
-<span id="L1589" class="LineNr">1589 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1590" class="LineNr">1590 </span>  <span class="muComment">#</span>
-<span id="L1591" class="LineNr">1591 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/pre-0&quot;</span>
-<span id="L1592" class="LineNr">1592 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/pre-0/cursor&quot;</span>
-<span id="L1593" class="LineNr">1593 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/pre-1&quot;</span>
-<span id="L1594" class="LineNr">1594 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/pre-1/cursor&quot;</span>
-<span id="L1595" class="LineNr">1595 </span>  <span class="muComment"># expand</span>
-<span id="L1596" class="LineNr">1596 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1597" class="LineNr">1597 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1598" class="LineNr">1598 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
-<span id="L1599" class="LineNr">1599 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-0&quot;</span>
-<span id="L1600" class="LineNr">1600 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-0/cursor&quot;</span>
-<span id="L1601" class="LineNr">1601 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-1&quot;</span>
-<span id="L1602" class="LineNr">1602 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-1/cursor&quot;</span>
-<span id="L1603" class="LineNr">1603 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-2&quot;</span>
-<span id="L1604" class="LineNr">1604 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-2/cursor&quot;</span>
-<span id="L1605" class="LineNr">1605 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-3&quot;</span>
-<span id="L1606" class="LineNr">1606 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand-3/cursor&quot;</span>
-<span id="L1607" class="LineNr">1607 </span>  <span class="muComment"># cursor down to bottom</span>
-<span id="L1608" class="LineNr">1608 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1609" class="LineNr">1609 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1610" class="LineNr">1610 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1611" class="LineNr">1611 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1612" class="LineNr">1612 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
-<span id="L1613" class="LineNr">1613 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1614" class="LineNr">1614 </span>  <span class="muComment"># expand</span>
-<span id="L1615" class="LineNr">1615 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
-<span id="L1616" class="LineNr">1616 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1617" class="LineNr">1617 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
-<span id="L1618" class="LineNr">1618 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-0&quot;</span>
-<span id="L1619" class="LineNr">1619 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-0/cursor&quot;</span>
-<span id="L1620" class="LineNr">1620 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-1&quot;</span>
-<span id="L1621" class="LineNr">1621 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-1/cursor&quot;</span>
-<span id="L1622" class="LineNr">1622 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-2&quot;</span>
-<span id="L1623" class="LineNr">1623 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-2/cursor&quot;</span>
-<span id="L1624" class="LineNr">1624 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 2.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-3&quot;</span>
-<span id="L1625" class="LineNr">1625 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-3/cursor&quot;</span>
-<span id="L1626" class="LineNr">1626 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot;1 line 2.2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-4&quot;</span>
-<span id="L1627" class="LineNr">1627 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/expand2-4/cursor&quot;</span>
-<span id="L1628" class="LineNr">1628 </span>  <span class="muComment"># collapse</span>
-<span id="L1629" class="LineNr">1629 </span>  <a href='trace.mu.html#L735'>edit-trace</a> t, <span class="Constant">8</span>/backspace
-<span id="L1630" class="LineNr">1630 </span>  <a href='../500fake-screen.mu.html#L230'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
-<span id="L1631" class="LineNr">1631 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L357'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
-<span id="L1632" class="LineNr">1632 </span>  <span class="muComment">#</span>
-<span id="L1633" class="LineNr">1633 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">4</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-0/y&quot;</span>
-<span id="L1634" class="LineNr">1634 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
-<span id="L1635" class="LineNr">1635 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-0/cursor-y&quot;</span>
-<span id="L1636" class="LineNr">1636 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;0 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-0&quot;</span>
-<span id="L1637" class="LineNr">1637 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-0/cursor&quot;</span>
-<span id="L1638" class="LineNr">1638 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-1&quot;</span>
-<span id="L1639" class="LineNr">1639 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-1/cursor&quot;</span>
-<span id="L1640" class="LineNr">1640 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;0 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-2&quot;</span>
-<span id="L1641" class="LineNr">1641 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-2/cursor&quot;</span>
-<span id="L1642" class="LineNr">1642 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-3&quot;</span>
-<span id="L1643" class="LineNr">1643 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1570'>test-trace-collapse-nested-level</a>/post-3/cursor&quot;</span>
-<span id="L1644" class="LineNr">1644 </span><span class="Delimiter">}</span>
+<span id="L1561" class="LineNr">1561 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-0&quot;</span>
+<span id="L1562" class="LineNr">1562 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-0/cursor&quot;</span>
+<span id="L1563" class="LineNr">1563 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-1&quot;</span>
+<span id="L1564" class="LineNr">1564 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-1/cursor&quot;</span>
+<span id="L1565" class="LineNr">1565 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-2&quot;</span>
+<span id="L1566" class="LineNr">1566 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;              &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/expand-2/cursor&quot;</span>
+<span id="L1567" class="LineNr">1567 </span>  <span class="muComment"># cursor down</span>
+<span id="L1568" class="LineNr">1568 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1569" class="LineNr">1569 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1570" class="LineNr">1570 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1571" class="LineNr">1571 </span>  <span class="muComment">#</span>
+<span id="L1572" class="LineNr">1572 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-0&quot;</span>
+<span id="L1573" class="LineNr">1573 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-0/cursor&quot;</span>
+<span id="L1574" class="LineNr">1574 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-1&quot;</span>
+<span id="L1575" class="LineNr">1575 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-1/cursor&quot;</span>
+<span id="L1576" class="LineNr">1576 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-2&quot;</span>
+<span id="L1577" class="LineNr">1577 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/down-2/cursor&quot;</span>
+<span id="L1578" class="LineNr">1578 </span>  <span class="muComment"># recreate trace with entirely different lines</span>
+<span id="L1579" class="LineNr">1579 </span>  <a href='trace.mu.html#L69'>clear-trace</a> t
+<span id="L1580" class="LineNr">1580 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 4&quot;</span>
+<span id="L1581" class="LineNr">1581 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 5&quot;</span>
+<span id="L1582" class="LineNr">1582 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 6&quot;</span>
+<span id="L1583" class="LineNr">1583 </span>  <a href='trace.mu.html#L430'>mark-lines-dirty</a> t
+<span id="L1584" class="LineNr">1584 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1585" class="LineNr">1585 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1586" class="LineNr">1586 </span>  <span class="muComment"># trace collapses, and cursor bumps up</span>
+<span id="L1587" class="LineNr">1587 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-0&quot;</span>
+<span id="L1588" class="LineNr">1588 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-0/cursor&quot;</span>
+<span id="L1589" class="LineNr">1589 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-1&quot;</span>
+<span id="L1590" class="LineNr">1590 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-1/cursor&quot;</span>
+<span id="L1591" class="LineNr">1591 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-2&quot;</span>
+<span id="L1592" class="LineNr">1592 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1538'>test-trace-keep-cursor-visible-on-refresh</a>/refresh-2/cursor&quot;</span>
+<span id="L1593" class="LineNr">1593 </span><span class="Delimiter">}</span>
+<span id="L1594" class="LineNr">1594 </span>
+<span id="L1595" class="LineNr">1595 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a></span> <span class="Delimiter">{</span>
+<span id="L1596" class="LineNr">1596 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1597" class="LineNr">1597 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1598" class="LineNr">1598 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1599" class="LineNr">1599 </span>  <span class="muComment">#</span>
+<span id="L1600" class="LineNr">1600 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1601" class="LineNr">1601 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1602" class="LineNr">1602 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1603" class="LineNr">1603 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1604" class="LineNr">1604 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1605" class="LineNr">1605 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1606" class="LineNr">1606 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1607" class="LineNr">1607 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1608" class="LineNr">1608 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1609" class="LineNr">1609 </span>  <span class="muComment">#</span>
+<span id="L1610" class="LineNr">1610 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1611" class="LineNr">1611 </span>  <span class="muComment">#</span>
+<span id="L1612" class="LineNr">1612 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/pre-0&quot;</span>
+<span id="L1613" class="LineNr">1613 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/pre-0/cursor&quot;</span>
+<span id="L1614" class="LineNr">1614 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/pre-1&quot;</span>
+<span id="L1615" class="LineNr">1615 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/pre-1/cursor&quot;</span>
+<span id="L1616" class="LineNr">1616 </span>  <span class="muComment"># expand</span>
+<span id="L1617" class="LineNr">1617 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1618" class="LineNr">1618 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1619" class="LineNr">1619 </span>  <span class="muComment">#</span>
+<span id="L1620" class="LineNr">1620 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-0&quot;</span>
+<span id="L1621" class="LineNr">1621 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-0/cursor&quot;</span>
+<span id="L1622" class="LineNr">1622 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-1&quot;</span>
+<span id="L1623" class="LineNr">1623 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-1/cursor&quot;</span>
+<span id="L1624" class="LineNr">1624 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-2&quot;</span>
+<span id="L1625" class="LineNr">1625 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/expand-2/cursor&quot;</span>
+<span id="L1626" class="LineNr">1626 </span>  <span class="muComment"># collapse</span>
+<span id="L1627" class="LineNr">1627 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1628" class="LineNr">1628 </span>  <span class="muComment"># hack: we need to render here to make this test pass; we're mixing state management with rendering</span>
+<span id="L1629" class="LineNr">1629 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1630" class="LineNr">1630 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1631" class="LineNr">1631 </span>  <span class="muComment">#</span>
+<span id="L1632" class="LineNr">1632 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/post-0/y&quot;</span>
+<span id="L1633" class="LineNr">1633 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/post-0&quot;</span>
+<span id="L1634" class="LineNr">1634 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/post-0/cursor&quot;</span>
+<span id="L1635" class="LineNr">1635 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/post-1&quot;</span>
+<span id="L1636" class="LineNr">1636 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1595'>test-trace-collapse-at-top</a>/post-1/cursor&quot;</span>
+<span id="L1637" class="LineNr">1637 </span><span class="Delimiter">}</span>
+<span id="L1638" class="LineNr">1638 </span>
+<span id="L1639" class="LineNr">1639 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1639'>test-trace-collapse</a></span> <span class="Delimiter">{</span>
+<span id="L1640" class="LineNr">1640 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1641" class="LineNr">1641 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1642" class="LineNr">1642 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1643" class="LineNr">1643 </span>  <span class="muComment">#</span>
+<span id="L1644" class="LineNr">1644 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1645" class="LineNr">1645 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1646" class="LineNr">1646 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1647" class="LineNr">1647 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1648" class="LineNr">1648 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1649" class="LineNr">1649 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1650" class="LineNr">1650 </span>  <span class="muComment">#</span>
+<span id="L1651" class="LineNr">1651 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1652" class="LineNr">1652 </span>  <span class="muComment">#</span>
+<span id="L1653" class="LineNr">1653 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/pre-0&quot;</span>
+<span id="L1654" class="LineNr">1654 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/pre-0/cursor&quot;</span>
+<span id="L1655" class="LineNr">1655 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/pre-1&quot;</span>
+<span id="L1656" class="LineNr">1656 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/pre-1/cursor&quot;</span>
+<span id="L1657" class="LineNr">1657 </span>  <span class="muComment"># expand</span>
+<span id="L1658" class="LineNr">1658 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1659" class="LineNr">1659 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1660" class="LineNr">1660 </span>  <span class="muComment">#</span>
+<span id="L1661" class="LineNr">1661 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/expand-0&quot;</span>
+<span id="L1662" class="LineNr">1662 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/expand-0/cursor&quot;</span>
+<span id="L1663" class="LineNr">1663 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/expand-1&quot;</span>
+<span id="L1664" class="LineNr">1664 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/expand-1/cursor&quot;</span>
+<span id="L1665" class="LineNr">1665 </span>  <span class="muComment"># cursor down</span>
+<span id="L1666" class="LineNr">1666 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1667" class="LineNr">1667 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1668" class="LineNr">1668 </span>  <span class="muComment"># collapse</span>
+<span id="L1669" class="LineNr">1669 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1670" class="LineNr">1670 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1671" class="LineNr">1671 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1672" class="LineNr">1672 </span>  <span class="muComment">#</span>
+<span id="L1673" class="LineNr">1673 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/post-0/y&quot;</span>
+<span id="L1674" class="LineNr">1674 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/post-0&quot;</span>
+<span id="L1675" class="LineNr">1675 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/post-0/cursor&quot;</span>
+<span id="L1676" class="LineNr">1676 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/post-1&quot;</span>
+<span id="L1677" class="LineNr">1677 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1639'>test-trace-collapse</a>/post-1/cursor&quot;</span>
+<span id="L1678" class="LineNr">1678 </span><span class="Delimiter">}</span>
+<span id="L1679" class="LineNr">1679 </span>
+<span id="L1680" class="LineNr">1680 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a></span> <span class="Delimiter">{</span>
+<span id="L1681" class="LineNr">1681 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1682" class="LineNr">1682 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1683" class="LineNr">1683 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1684" class="LineNr">1684 </span>  <span class="muComment">#</span>
+<span id="L1685" class="LineNr">1685 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1686" class="LineNr">1686 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1687" class="LineNr">1687 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1688" class="LineNr">1688 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1689" class="LineNr">1689 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1690" class="LineNr">1690 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1691" class="LineNr">1691 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1692" class="LineNr">1692 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1693" class="LineNr">1693 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1694" class="LineNr">1694 </span>  <span class="muComment">#</span>
+<span id="L1695" class="LineNr">1695 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1696" class="LineNr">1696 </span>  <span class="muComment">#</span>
+<span id="L1697" class="LineNr">1697 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/pre-0&quot;</span>
+<span id="L1698" class="LineNr">1698 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/pre-0/cursor&quot;</span>
+<span id="L1699" class="LineNr">1699 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/pre-1&quot;</span>
+<span id="L1700" class="LineNr">1700 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/pre-1/cursor&quot;</span>
+<span id="L1701" class="LineNr">1701 </span>  <span class="muComment"># expand</span>
+<span id="L1702" class="LineNr">1702 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1703" class="LineNr">1703 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1704" class="LineNr">1704 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
+<span id="L1705" class="LineNr">1705 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-0&quot;</span>
+<span id="L1706" class="LineNr">1706 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-0/cursor&quot;</span>
+<span id="L1707" class="LineNr">1707 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-1&quot;</span>
+<span id="L1708" class="LineNr">1708 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-1/cursor&quot;</span>
+<span id="L1709" class="LineNr">1709 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-2&quot;</span>
+<span id="L1710" class="LineNr">1710 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/expand-2/cursor&quot;</span>
+<span id="L1711" class="LineNr">1711 </span>  <span class="muComment"># cursor down to second visible line</span>
+<span id="L1712" class="LineNr">1712 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1713" class="LineNr">1713 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1714" class="LineNr">1714 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1715" class="LineNr">1715 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1716" class="LineNr">1716 </span>  <span class="muComment"># collapse</span>
+<span id="L1717" class="LineNr">1717 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1718" class="LineNr">1718 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1719" class="LineNr">1719 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1720" class="LineNr">1720 </span>  <span class="muComment">#</span>
+<span id="L1721" class="LineNr">1721 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-0/y&quot;</span>
+<span id="L1722" class="LineNr">1722 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
+<span id="L1723" class="LineNr">1723 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-0/cursor-y&quot;</span>
+<span id="L1724" class="LineNr">1724 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-0&quot;</span>
+<span id="L1725" class="LineNr">1725 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-0/cursor&quot;</span>
+<span id="L1726" class="LineNr">1726 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-1&quot;</span>
+<span id="L1727" class="LineNr">1727 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1680'>test-trace-collapse-skips-invisible-lines</a>/post-1/cursor&quot;</span>
+<span id="L1728" class="LineNr">1728 </span><span class="Delimiter">}</span>
+<span id="L1729" class="LineNr">1729 </span>
+<span id="L1730" class="LineNr">1730 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a></span> <span class="Delimiter">{</span>
+<span id="L1731" class="LineNr">1731 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1732" class="LineNr">1732 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1733" class="LineNr">1733 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1734" class="LineNr">1734 </span>  <span class="muComment">#</span>
+<span id="L1735" class="LineNr">1735 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1736" class="LineNr">1736 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1737" class="LineNr">1737 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1738" class="LineNr">1738 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1739" class="LineNr">1739 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1740" class="LineNr">1740 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1741" class="LineNr">1741 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1742" class="LineNr">1742 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1743" class="LineNr">1743 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1744" class="LineNr">1744 </span>  <span class="muComment">#</span>
+<span id="L1745" class="LineNr">1745 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1746" class="LineNr">1746 </span>  <span class="muComment">#</span>
+<span id="L1747" class="LineNr">1747 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/pre-0&quot;</span>
+<span id="L1748" class="LineNr">1748 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/pre-0/cursor&quot;</span>
+<span id="L1749" class="LineNr">1749 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/pre-1&quot;</span>
+<span id="L1750" class="LineNr">1750 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/pre-1/cursor&quot;</span>
+<span id="L1751" class="LineNr">1751 </span>  <span class="muComment"># expand</span>
+<span id="L1752" class="LineNr">1752 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1753" class="LineNr">1753 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1754" class="LineNr">1754 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
+<span id="L1755" class="LineNr">1755 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-0&quot;</span>
+<span id="L1756" class="LineNr">1756 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-0/cursor&quot;</span>
+<span id="L1757" class="LineNr">1757 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-1&quot;</span>
+<span id="L1758" class="LineNr">1758 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-1/cursor&quot;</span>
+<span id="L1759" class="LineNr">1759 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-2&quot;</span>
+<span id="L1760" class="LineNr">1760 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand-2/cursor&quot;</span>
+<span id="L1761" class="LineNr">1761 </span>  <span class="muComment"># cursor down to ellipses</span>
+<span id="L1762" class="LineNr">1762 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1763" class="LineNr">1763 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1764" class="LineNr">1764 </span>  <span class="muComment"># expand</span>
+<span id="L1765" class="LineNr">1765 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1766" class="LineNr">1766 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1767" class="LineNr">1767 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
+<span id="L1768" class="LineNr">1768 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-0&quot;</span>
+<span id="L1769" class="LineNr">1769 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-0/cursor&quot;</span>
+<span id="L1770" class="LineNr">1770 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;2 line 1.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-1&quot;</span>
+<span id="L1771" class="LineNr">1771 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-1/cursor&quot;</span>
+<span id="L1772" class="LineNr">1772 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-2&quot;</span>
+<span id="L1773" class="LineNr">1773 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/expand2-2/cursor&quot;</span>
+<span id="L1774" class="LineNr">1774 </span>  <span class="muComment"># cursor down to second visible line</span>
+<span id="L1775" class="LineNr">1775 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1776" class="LineNr">1776 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1777" class="LineNr">1777 </span>  <span class="muComment"># collapse</span>
+<span id="L1778" class="LineNr">1778 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1779" class="LineNr">1779 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1780" class="LineNr">1780 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1781" class="LineNr">1781 </span>  <span class="muComment">#</span>
+<span id="L1782" class="LineNr">1782 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">1</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-0/y&quot;</span>
+<span id="L1783" class="LineNr">1783 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
+<span id="L1784" class="LineNr">1784 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">0</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-0/cursor-y&quot;</span>
+<span id="L1785" class="LineNr">1785 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-0&quot;</span>
+<span id="L1786" class="LineNr">1786 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-0/cursor&quot;</span>
+<span id="L1787" class="LineNr">1787 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-1&quot;</span>
+<span id="L1788" class="LineNr">1788 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1730'>test-trace-collapse-two-levels</a>/post-1/cursor&quot;</span>
+<span id="L1789" class="LineNr">1789 </span><span class="Delimiter">}</span>
+<span id="L1790" class="LineNr">1790 </span>
+<span id="L1791" class="LineNr">1791 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a></span> <span class="Delimiter">{</span>
+<span id="L1792" class="LineNr">1792 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1793" class="LineNr">1793 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1794" class="LineNr">1794 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1795" class="LineNr">1795 </span>  <span class="muComment">#</span>
+<span id="L1796" class="LineNr">1796 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1797" class="LineNr">1797 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1798" class="LineNr">1798 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1.1&quot;</span>
+<span id="L1799" class="LineNr">1799 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1800" class="LineNr">1800 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1801" class="LineNr">1801 </span>  <a href='trace.mu.html#L228'>trace-lower</a> t
+<span id="L1802" class="LineNr">1802 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.1&quot;</span>
+<span id="L1803" class="LineNr">1803 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2.2&quot;</span>
+<span id="L1804" class="LineNr">1804 </span>  <a href='trace.mu.html#L239'>trace-higher</a> t
+<span id="L1805" class="LineNr">1805 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1806" class="LineNr">1806 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1807" class="LineNr">1807 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1808" class="LineNr">1808 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">8</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1809" class="LineNr">1809 </span>  <span class="muComment">#</span>
+<span id="L1810" class="LineNr">1810 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1811" class="LineNr">1811 </span>  <span class="muComment">#</span>
+<span id="L1812" class="LineNr">1812 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/pre-0&quot;</span>
+<span id="L1813" class="LineNr">1813 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/pre-0/cursor&quot;</span>
+<span id="L1814" class="LineNr">1814 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/pre-1&quot;</span>
+<span id="L1815" class="LineNr">1815 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/pre-1/cursor&quot;</span>
+<span id="L1816" class="LineNr">1816 </span>  <span class="muComment"># expand</span>
+<span id="L1817" class="LineNr">1817 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1818" class="LineNr">1818 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1819" class="LineNr">1819 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
+<span id="L1820" class="LineNr">1820 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-0&quot;</span>
+<span id="L1821" class="LineNr">1821 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-0/cursor&quot;</span>
+<span id="L1822" class="LineNr">1822 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-1&quot;</span>
+<span id="L1823" class="LineNr">1823 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-1/cursor&quot;</span>
+<span id="L1824" class="LineNr">1824 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-2&quot;</span>
+<span id="L1825" class="LineNr">1825 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-2/cursor&quot;</span>
+<span id="L1826" class="LineNr">1826 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-3&quot;</span>
+<span id="L1827" class="LineNr">1827 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand-3/cursor&quot;</span>
+<span id="L1828" class="LineNr">1828 </span>  <span class="muComment"># cursor down to bottom</span>
+<span id="L1829" class="LineNr">1829 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1830" class="LineNr">1830 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1831" class="LineNr">1831 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1832" class="LineNr">1832 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1833" class="LineNr">1833 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0x6a</span>/j
+<span id="L1834" class="LineNr">1834 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1835" class="LineNr">1835 </span>  <span class="muComment"># expand</span>
+<span id="L1836" class="LineNr">1836 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1837" class="LineNr">1837 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1838" class="LineNr">1838 </span>  <span class="muComment"># two visible lines with an invisible line in between</span>
+<span id="L1839" class="LineNr">1839 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-0&quot;</span>
+<span id="L1840" class="LineNr">1840 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-0/cursor&quot;</span>
+<span id="L1841" class="LineNr">1841 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-1&quot;</span>
+<span id="L1842" class="LineNr">1842 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-1/cursor&quot;</span>
+<span id="L1843" class="LineNr">1843 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-2&quot;</span>
+<span id="L1844" class="LineNr">1844 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-2/cursor&quot;</span>
+<span id="L1845" class="LineNr">1845 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;2 line 2.1 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-3&quot;</span>
+<span id="L1846" class="LineNr">1846 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;|||||||||| &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-3/cursor&quot;</span>
+<span id="L1847" class="LineNr">1847 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">4</span>/y, <span class="Constant">&quot;2 line 2.2 &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-4&quot;</span>
+<span id="L1848" class="LineNr">1848 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">4</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/expand2-4/cursor&quot;</span>
+<span id="L1849" class="LineNr">1849 </span>  <span class="muComment"># collapse</span>
+<span id="L1850" class="LineNr">1850 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">8</span>/backspace
+<span id="L1851" class="LineNr">1851 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1852" class="LineNr">1852 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">8</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1853" class="LineNr">1853 </span>  <span class="muComment">#</span>
+<span id="L1854" class="LineNr">1854 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> y, <span class="Constant">4</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-0/y&quot;</span>
+<span id="L1855" class="LineNr">1855 </span>  <span class="PreProc">var</span> cursor-y/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get t, cursor-y
+<span id="L1856" class="LineNr">1856 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *cursor-y, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-0/cursor-y&quot;</span>
+<span id="L1857" class="LineNr">1857 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-0&quot;</span>
+<span id="L1858" class="LineNr">1858 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-0/cursor&quot;</span>
+<span id="L1859" class="LineNr">1859 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-1&quot;</span>
+<span id="L1860" class="LineNr">1860 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-1/cursor&quot;</span>
+<span id="L1861" class="LineNr">1861 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-2&quot;</span>
+<span id="L1862" class="LineNr">1862 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-2/cursor&quot;</span>
+<span id="L1863" class="LineNr">1863 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-3&quot;</span>
+<span id="L1864" class="LineNr">1864 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1791'>test-trace-collapse-nested-level</a>/post-3/cursor&quot;</span>
+<span id="L1865" class="LineNr">1865 </span><span class="Delimiter">}</span>
+<span id="L1866" class="LineNr">1866 </span>
+<span id="L1867" class="LineNr">1867 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1867'>scroll-down</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L1868" class="LineNr">1868 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1869" class="LineNr">1869 </span>  <span class="PreProc">var</span> screen-height-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, screen-height  <span class="muComment"># only available after first render</span>
+<span id="L1870" class="LineNr">1870 </span>  <span class="PreProc">var</span> lines-to-skip/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *screen-height-addr
+<span id="L1871" class="LineNr">1871 </span>  <span class="PreProc">var</span> top-line-y-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-y
+<span id="L1872" class="LineNr">1872 </span>  lines-to-skip <span class="Special">&lt;-</span> subtract *top-line-y-addr
+<span id="L1873" class="LineNr">1873 </span>  <span class="PreProc">var</span> already-hiding-lines-storage: boolean
+<span id="L1874" class="LineNr">1874 </span>  <span class="PreProc">var</span> already-hiding-lines/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> address already-hiding-lines-storage
+<span id="L1875" class="LineNr">1875 </span>  <span class="PreProc">var</span> top-line-addr/<span class="Constant">edi</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-index
+<span id="L1876" class="LineNr">1876 </span>  <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy *top-line-addr
+<span id="L1877" class="LineNr">1877 </span>  <span class="PreProc">var</span> max-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, first-free
+<span id="L1878" class="LineNr">1878 </span>  <span class="Delimiter">{</span>
+<span id="L1879" class="LineNr">1879 </span>    <span class="muComment"># if we run out of trace, return without changing anything</span>
+<span id="L1880" class="LineNr">1880 </span>    compare i, *max-addr
+<span id="L1881" class="LineNr">1881 </span>    <span class="Delimiter">{</span>
+<span id="L1882" class="LineNr">1882 </span>      <span class="PreProc">break-if-&lt;</span>
+<span id="L1883" class="LineNr">1883 </span>      <span class="PreProc">return</span>
+<span id="L1884" class="LineNr">1884 </span>    <span class="Delimiter">}</span>
+<span id="L1885" class="LineNr">1885 </span>    <span class="muComment"># if we've skipped enough, break</span>
+<span id="L1886" class="LineNr">1886 </span>    compare lines-to-skip, <span class="Constant">0</span>
+<span id="L1887" class="LineNr">1887 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1888" class="LineNr">1888 </span>    <span class="muComment">#</span>
+<span id="L1889" class="LineNr">1889 </span>    <span class="Delimiter">{</span>
+<span id="L1890" class="LineNr">1890 </span>      <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L1931'>count-line?</a> self, i, already-hiding-lines
+<span id="L1891" class="LineNr">1891 </span>      compare display?, <span class="Constant">0</span>/false
+<span id="L1892" class="LineNr">1892 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1893" class="LineNr">1893 </span>      lines-to-skip <span class="Special">&lt;-</span> decrement
+<span id="L1894" class="LineNr">1894 </span>    <span class="Delimiter">}</span>
+<span id="L1895" class="LineNr">1895 </span>    i <span class="Special">&lt;-</span> increment
+<span id="L1896" class="LineNr">1896 </span>    <span class="PreProc">loop</span>
+<span id="L1897" class="LineNr">1897 </span>  <span class="Delimiter">}</span>
+<span id="L1898" class="LineNr">1898 </span>  <span class="muComment"># update top-line</span>
+<span id="L1899" class="LineNr">1899 </span>  copy-to *top-line-addr, i
+<span id="L1900" class="LineNr">1900 </span><span class="Delimiter">}</span>
+<span id="L1901" class="LineNr">1901 </span>
+<span id="L1902" class="LineNr">1902 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1902'>scroll-up</a></span> _self: (addr trace) <span class="Delimiter">{</span>
+<span id="L1903" class="LineNr">1903 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1904" class="LineNr">1904 </span>  <span class="PreProc">var</span> screen-height-addr/<span class="Constant">ebx</span>: (addr int) <span class="Special">&lt;-</span> get self, screen-height  <span class="muComment"># only available after first render</span>
+<span id="L1905" class="LineNr">1905 </span>  <span class="PreProc">var</span> lines-to-skip/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy *screen-height-addr
+<span id="L1906" class="LineNr">1906 </span>  <span class="PreProc">var</span> top-line-y-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-y
+<span id="L1907" class="LineNr">1907 </span>  lines-to-skip <span class="Special">&lt;-</span> subtract *top-line-y-addr
+<span id="L1908" class="LineNr">1908 </span>  <span class="PreProc">var</span> already-hiding-lines-storage: boolean
+<span id="L1909" class="LineNr">1909 </span>  <span class="PreProc">var</span> already-hiding-lines/<span class="Constant">edx</span>: (addr boolean) <span class="Special">&lt;-</span> address already-hiding-lines-storage
+<span id="L1910" class="LineNr">1910 </span>  <span class="PreProc">var</span> top-line-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get self, top-line-index
+<span id="L1911" class="LineNr">1911 </span>  $scroll-up:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
+<span id="L1912" class="LineNr">1912 </span>    <span class="muComment"># if we run out of trace, break</span>
+<span id="L1913" class="LineNr">1913 </span>    compare *top-line-addr, <span class="Constant">0</span>
+<span id="L1914" class="LineNr">1914 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1915" class="LineNr">1915 </span>    <span class="muComment"># if we've skipped enough, break</span>
+<span id="L1916" class="LineNr">1916 </span>    compare lines-to-skip, <span class="Constant">0</span>
+<span id="L1917" class="LineNr">1917 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1918" class="LineNr">1918 </span>    <span class="muComment">#</span>
+<span id="L1919" class="LineNr">1919 </span>    <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L1931'>count-line?</a> self, *top-line-addr, already-hiding-lines
+<span id="L1920" class="LineNr">1920 </span>    compare display?, <span class="Constant">0</span>/false
+<span id="L1921" class="LineNr">1921 </span>    <span class="Delimiter">{</span>
+<span id="L1922" class="LineNr">1922 </span>      <span class="PreProc">break-if-=</span>
+<span id="L1923" class="LineNr">1923 </span>      lines-to-skip <span class="Special">&lt;-</span> decrement
+<span id="L1924" class="LineNr">1924 </span>    <span class="Delimiter">}</span>
+<span id="L1925" class="LineNr">1925 </span>    decrement *top-line-addr
+<span id="L1926" class="LineNr">1926 </span>    <span class="PreProc">loop</span>
+<span id="L1927" class="LineNr">1927 </span>  <span class="Delimiter">}</span>
+<span id="L1928" class="LineNr">1928 </span><span class="Delimiter">}</span>
+<span id="L1929" class="LineNr">1929 </span>
+<span id="L1930" class="LineNr">1930 </span><span class="muComment"># TODO: duplicates logic for counting lines rendered</span>
+<span id="L1931" class="LineNr">1931 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='trace.mu.html#L1931'>count-line?</a></span> _self: (addr trace), index: int, _already-hiding-lines?: (addr boolean)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1932" class="LineNr">1932 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> copy _self
+<span id="L1933" class="LineNr">1933 </span>  <span class="PreProc">var</span> trace-ah/<span class="Constant">eax</span>: (addr handle array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> get self, data
+<span id="L1934" class="LineNr">1934 </span>  <span class="PreProc">var</span> trace/<span class="Constant">eax</span>: (addr array <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *trace-ah
+<span id="L1935" class="LineNr">1935 </span>  <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> compute-offset trace, index
+<span id="L1936" class="LineNr">1936 </span>  <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='trace.mu.html#L41'>trace-line</a>) <span class="Special">&lt;-</span> index trace, offset
+<span id="L1937" class="LineNr">1937 </span>  <span class="PreProc">var</span> already-hiding-lines?/<span class="Constant">ecx</span>: (addr boolean) <span class="Special">&lt;-</span> copy _already-hiding-lines?
+<span id="L1938" class="LineNr">1938 </span>  <span class="muComment"># count errors</span>
+<span id="L1939" class="LineNr">1939 </span>  <span class="Delimiter">{</span>
+<span id="L1940" class="LineNr">1940 </span>    <span class="PreProc">var</span> curr-depth/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr, depth
+<span id="L1941" class="LineNr">1941 </span>    compare *curr-depth, <span class="Constant">0</span>/<span class="Special"><a href='trace.mu.html#L186'>error</a></span>
+<span id="L1942" class="LineNr">1942 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1943" class="LineNr">1943 </span>    copy-to *already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L1944" class="LineNr">1944 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1945" class="LineNr">1945 </span>  <span class="Delimiter">}</span>
+<span id="L1946" class="LineNr">1946 </span>  <span class="muComment"># count visible lines</span>
+<span id="L1947" class="LineNr">1947 </span>  <span class="Delimiter">{</span>
+<span id="L1948" class="LineNr">1948 </span>    <span class="PreProc">var</span> display?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L607'>should-render?</a> curr
+<span id="L1949" class="LineNr">1949 </span>    compare display?, <span class="Constant">0</span>/false
+<span id="L1950" class="LineNr">1950 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1951" class="LineNr">1951 </span>    copy-to *already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L1952" class="LineNr">1952 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1953" class="LineNr">1953 </span>  <span class="Delimiter">}</span>
+<span id="L1954" class="LineNr">1954 </span>  <span class="muComment"># count first undisplayed line after line to display</span>
+<span id="L1955" class="LineNr">1955 </span>  compare *already-hiding-lines?, <span class="Constant">0</span>/false
+<span id="L1956" class="LineNr">1956 </span>  <span class="Delimiter">{</span>
+<span id="L1957" class="LineNr">1957 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1958" class="LineNr">1958 </span>    copy-to *already-hiding-lines?, <span class="Constant">1</span>/true
+<span id="L1959" class="LineNr">1959 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
+<span id="L1960" class="LineNr">1960 </span>  <span class="Delimiter">}</span>
+<span id="L1961" class="LineNr">1961 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
+<span id="L1962" class="LineNr">1962 </span><span class="Delimiter">}</span>
+<span id="L1963" class="LineNr">1963 </span>
+<span id="L1964" class="LineNr">1964 </span><span class="PreProc">fn</span> <span class="muTest"><a href='trace.mu.html#L1964'>test-trace-scroll</a></span> <span class="Delimiter">{</span>
+<span id="L1965" class="LineNr">1965 </span>  <span class="PreProc">var</span> t-storage: trace
+<span id="L1966" class="LineNr">1966 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
+<span id="L1967" class="LineNr">1967 </span>  <a href='trace.mu.html#L50'>initialize-trace</a> t, <span class="Constant">0x100</span>/max-depth, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>
+<span id="L1968" class="LineNr">1968 </span>  <span class="muComment">#</span>
+<span id="L1969" class="LineNr">1969 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 0&quot;</span>
+<span id="L1970" class="LineNr">1970 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 1&quot;</span>
+<span id="L1971" class="LineNr">1971 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 2&quot;</span>
+<span id="L1972" class="LineNr">1972 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 3&quot;</span>
+<span id="L1973" class="LineNr">1973 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 4&quot;</span>
+<span id="L1974" class="LineNr">1974 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 5&quot;</span>
+<span id="L1975" class="LineNr">1975 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 6&quot;</span>
+<span id="L1976" class="LineNr">1976 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 7&quot;</span>
+<span id="L1977" class="LineNr">1977 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 8&quot;</span>
+<span id="L1978" class="LineNr">1978 </span>  <a href='trace.mu.html#L174'>trace-text</a> t, <span class="Constant">&quot;l&quot;</span>, <span class="Constant">&quot;line 9&quot;</span>
+<span id="L1979" class="LineNr">1979 </span>  <span class="muComment"># setup: screen</span>
+<span id="L1980" class="LineNr">1980 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1981" class="LineNr">1981 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L1982" class="LineNr">1982 </span>  <a href='../500fake-screen.mu.html#L31'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/width, <span class="Constant">4</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L1983" class="LineNr">1983 </span>  <span class="muComment"># pre-render</span>
+<span id="L1984" class="LineNr">1984 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1985" class="LineNr">1985 </span>  <span class="muComment">#</span>
+<span id="L1986" class="LineNr">1986 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;...        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-0&quot;</span>
+<span id="L1987" class="LineNr">1987 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;|||        &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-0/cursor&quot;</span>
+<span id="L1988" class="LineNr">1988 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-1&quot;</span>
+<span id="L1989" class="LineNr">1989 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-1/cursor&quot;</span>
+<span id="L1990" class="LineNr">1990 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-2&quot;</span>
+<span id="L1991" class="LineNr">1991 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-2/cursor&quot;</span>
+<span id="L1992" class="LineNr">1992 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-3&quot;</span>
+<span id="L1993" class="LineNr">1993 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/pre-3/cursor&quot;</span>
+<span id="L1994" class="LineNr">1994 </span>  <span class="muComment"># expand</span>
+<span id="L1995" class="LineNr">1995 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">0xa</span>/enter
+<span id="L1996" class="LineNr">1996 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L1997" class="LineNr">1997 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L1998" class="LineNr">1998 </span>  <span class="muComment">#</span>
+<span id="L1999" class="LineNr">1999 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 0   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-0&quot;</span>
+<span id="L2000" class="LineNr">2000 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-0/cursor&quot;</span>
+<span id="L2001" class="LineNr">2001 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-1&quot;</span>
+<span id="L2002" class="LineNr">2002 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-1/cursor&quot;</span>
+<span id="L2003" class="LineNr">2003 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-2&quot;</span>
+<span id="L2004" class="LineNr">2004 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-2/cursor&quot;</span>
+<span id="L2005" class="LineNr">2005 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-3&quot;</span>
+<span id="L2006" class="LineNr">2006 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/expand-3/cursor&quot;</span>
+<span id="L2007" class="LineNr">2007 </span>  <span class="muComment"># scroll up</span>
+<span id="L2008" class="LineNr">2008 </span>  <span class="muComment"># hack: we must have rendered before this point; we're mixing state management with rendering</span>
+<span id="L2009" class="LineNr">2009 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">2</span>/ctrl-b
+<span id="L2010" class="LineNr">2010 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2011" class="LineNr">2011 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2012" class="LineNr">2012 </span>  <span class="muComment"># no change since we're already at the top</span>
+<span id="L2013" class="LineNr">2013 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 0   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-0&quot;</span>
+<span id="L2014" class="LineNr">2014 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-0/cursor&quot;</span>
+<span id="L2015" class="LineNr">2015 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-1&quot;</span>
+<span id="L2016" class="LineNr">2016 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-1/cursor&quot;</span>
+<span id="L2017" class="LineNr">2017 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-2&quot;</span>
+<span id="L2018" class="LineNr">2018 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-2/cursor&quot;</span>
+<span id="L2019" class="LineNr">2019 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-3&quot;</span>
+<span id="L2020" class="LineNr">2020 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up0-3/cursor&quot;</span>
+<span id="L2021" class="LineNr">2021 </span>  <span class="muComment"># scroll down</span>
+<span id="L2022" class="LineNr">2022 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">6</span>/ctrl-f
+<span id="L2023" class="LineNr">2023 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2024" class="LineNr">2024 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2025" class="LineNr">2025 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 4   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-0&quot;</span>
+<span id="L2026" class="LineNr">2026 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-0/cursor&quot;</span>
+<span id="L2027" class="LineNr">2027 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 5   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-1&quot;</span>
+<span id="L2028" class="LineNr">2028 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-1/cursor&quot;</span>
+<span id="L2029" class="LineNr">2029 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 6   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-2&quot;</span>
+<span id="L2030" class="LineNr">2030 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-2/cursor&quot;</span>
+<span id="L2031" class="LineNr">2031 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 7   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-3&quot;</span>
+<span id="L2032" class="LineNr">2032 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down1-3/cursor&quot;</span>
+<span id="L2033" class="LineNr">2033 </span>  <span class="muComment"># scroll down</span>
+<span id="L2034" class="LineNr">2034 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">6</span>/ctrl-f
+<span id="L2035" class="LineNr">2035 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2036" class="LineNr">2036 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2037" class="LineNr">2037 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 8   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-0&quot;</span>
+<span id="L2038" class="LineNr">2038 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-0/cursor&quot;</span>
+<span id="L2039" class="LineNr">2039 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 9   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-1&quot;</span>
+<span id="L2040" class="LineNr">2040 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-1/cursor&quot;</span>
+<span id="L2041" class="LineNr">2041 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-2&quot;</span>
+<span id="L2042" class="LineNr">2042 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-2/cursor&quot;</span>
+<span id="L2043" class="LineNr">2043 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-3&quot;</span>
+<span id="L2044" class="LineNr">2044 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down2-3/cursor&quot;</span>
+<span id="L2045" class="LineNr">2045 </span>  <span class="muComment"># scroll down</span>
+<span id="L2046" class="LineNr">2046 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">6</span>/ctrl-f
+<span id="L2047" class="LineNr">2047 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2048" class="LineNr">2048 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2049" class="LineNr">2049 </span>  <span class="muComment"># no change since we're already at the bottom</span>
+<span id="L2050" class="LineNr">2050 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 8   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-0&quot;</span>
+<span id="L2051" class="LineNr">2051 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-0/cursor&quot;</span>
+<span id="L2052" class="LineNr">2052 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 9   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-1&quot;</span>
+<span id="L2053" class="LineNr">2053 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-1/cursor&quot;</span>
+<span id="L2054" class="LineNr">2054 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-2&quot;</span>
+<span id="L2055" class="LineNr">2055 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-2/cursor&quot;</span>
+<span id="L2056" class="LineNr">2056 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-3&quot;</span>
+<span id="L2057" class="LineNr">2057 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/down3-3/cursor&quot;</span>
+<span id="L2058" class="LineNr">2058 </span>  <span class="muComment"># scroll up</span>
+<span id="L2059" class="LineNr">2059 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">2</span>/ctrl-b
+<span id="L2060" class="LineNr">2060 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2061" class="LineNr">2061 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2062" class="LineNr">2062 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 4   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-0&quot;</span>
+<span id="L2063" class="LineNr">2063 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-0/cursor&quot;</span>
+<span id="L2064" class="LineNr">2064 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 5   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-1&quot;</span>
+<span id="L2065" class="LineNr">2065 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-1/cursor&quot;</span>
+<span id="L2066" class="LineNr">2066 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 6   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-2&quot;</span>
+<span id="L2067" class="LineNr">2067 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-2/cursor&quot;</span>
+<span id="L2068" class="LineNr">2068 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 7   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-3&quot;</span>
+<span id="L2069" class="LineNr">2069 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up1-3/cursor&quot;</span>
+<span id="L2070" class="LineNr">2070 </span>  <span class="muComment"># scroll up</span>
+<span id="L2071" class="LineNr">2071 </span>  <a href='trace.mu.html#L896'>edit-trace</a> t, <span class="Constant">2</span>/ctrl-b
+<span id="L2072" class="LineNr">2072 </span>  <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L2073" class="LineNr">2073 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> <a href='trace.mu.html#L442'>render-trace</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, t, <span class="Constant">0</span>/xmin, <span class="Constant">0</span>/ymin, <span class="Constant">0x10</span>/xmax, <span class="Constant">4</span>/ymax, <span class="Constant">1</span>/show-cursor
+<span id="L2074" class="LineNr">2074 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">0</span>/y, <span class="Constant">&quot;1 line 0   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-0&quot;</span>
+<span id="L2075" class="LineNr">2075 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;||||||||   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-0/cursor&quot;</span>
+<span id="L2076" class="LineNr">2076 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">1</span>/y, <span class="Constant">&quot;1 line 1   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-1&quot;</span>
+<span id="L2077" class="LineNr">2077 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-1/cursor&quot;</span>
+<span id="L2078" class="LineNr">2078 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">2</span>/y, <span class="Constant">&quot;1 line 2   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-2&quot;</span>
+<span id="L2079" class="LineNr">2079 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-2/cursor&quot;</span>
+<span id="L2080" class="LineNr">2080 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,                                  <span class="Constant">3</span>/y, <span class="Constant">&quot;1 line 3   &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-3&quot;</span>
+<span id="L2081" class="LineNr">2081 </span>  <a href='../504test-screen.mu.html#L251'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">3</span>/y, <span class="Constant">&quot;           &quot;</span>, <span class="Constant">&quot;F - <a href='trace.mu.html#L1964'>test-trace-scroll</a>/up2-3/cursor&quot;</span>
+<span id="L2082" class="LineNr">2082 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>