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authorKartik Agaram <vc@akkartik.com>2019-01-14 17:29:10 -0800
committerKartik Agaram <vc@akkartik.com>2019-01-14 17:29:10 -0800
commit3f97166cf7360c1b8f607ba37bb350790e83101d (patch)
tree1a9e57b1c1a13a078474c8f85fd220fe4160e82b
parent509f0a12ca3d2061b1555ded31dead23f00ed854 (diff)
downloadmu-3f97166cf7360c1b8f607ba37bb350790e83101d.tar.gz
4927
-rw-r--r--html/subx/069slice.subx.html187
-rw-r--r--subx/069slice.subx133
-rwxr-xr-xsubx/apps/crenshaw2-1bin13826 -> 14065 bytes
-rwxr-xr-xsubx/apps/crenshaw2-1bbin14385 -> 14624 bytes
-rwxr-xr-xsubx/apps/factorialbin12744 -> 12983 bytes
-rwxr-xr-xsubx/apps/handlebin13537 -> 13776 bytes
-rwxr-xr-xsubx/apps/hexbin16805 -> 17044 bytes
-rw-r--r--subx/apps/pack.subx25
8 files changed, 306 insertions, 39 deletions
diff --git a/html/subx/069slice.subx.html b/html/subx/069slice.subx.html
index 498d891a..65930bd3 100644
--- a/html/subx/069slice.subx.html
+++ b/html/subx/069slice.subx.html
@@ -223,8 +223,8 @@ if ('onhashchange' in window) {
 <span id="L161" class="LineNr">161 </span>    55/push-EBP
 <span id="L162" class="LineNr">162 </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="L163" class="LineNr">163 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L164" class="LineNr">164 </span>    68/push  <a href='069slice.subx.html#L383'>_test-slice-data-3</a>/imm32/end
-<span id="L165" class="LineNr">165 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L164" class="LineNr">164 </span>    68/push  <a href='069slice.subx.html#L516'>_test-slice-data-3</a>/imm32/end
+<span id="L165" class="LineNr">165 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L166" class="LineNr">166 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L167" class="LineNr">167 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;Abc&quot;)</span>
 <span id="L168" class="LineNr">168 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -254,8 +254,8 @@ if ('onhashchange' in window) {
 <span id="L192" class="LineNr">192 </span>    55/push-EBP
 <span id="L193" class="LineNr">193 </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="L194" class="LineNr">194 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L195" class="LineNr">195 </span>    68/push  <a href='069slice.subx.html#L385'>_test-slice-data-4</a>/imm32/end
-<span id="L196" class="LineNr">196 </span>    68/push  <a href='069slice.subx.html#L379'>_test-slice-data-1</a>/imm32/start
+<span id="L195" class="LineNr">195 </span>    68/push  <a href='069slice.subx.html#L518'>_test-slice-data-4</a>/imm32/end
+<span id="L196" class="LineNr">196 </span>    68/push  <a href='069slice.subx.html#L512'>_test-slice-data-1</a>/imm32/start
 <span id="L197" class="LineNr">197 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L198" class="LineNr">198 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;Abc&quot;)</span>
 <span id="L199" class="LineNr">199 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -285,8 +285,8 @@ if ('onhashchange' in window) {
 <span id="L223" class="LineNr">223 </span>    55/push-EBP
 <span id="L224" class="LineNr">224 </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="L225" class="LineNr">225 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L226" class="LineNr">226 </span>    68/push  <a href='069slice.subx.html#L385'>_test-slice-data-4</a>/imm32/end
-<span id="L227" class="LineNr">227 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L226" class="LineNr">226 </span>    68/push  <a href='069slice.subx.html#L518'>_test-slice-data-4</a>/imm32/end
+<span id="L227" class="LineNr">227 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L228" class="LineNr">228 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L229" class="LineNr">229 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;Abc&quot;)</span>
 <span id="L230" class="LineNr">230 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -316,8 +316,8 @@ if ('onhashchange' in window) {
 <span id="L254" class="LineNr">254 </span>    55/push-EBP
 <span id="L255" class="LineNr">255 </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="L256" class="LineNr">256 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L257" class="LineNr">257 </span>    68/push  <a href='069slice.subx.html#L379'>_test-slice-data-1</a>/imm32/end
-<span id="L258" class="LineNr">258 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L257" class="LineNr">257 </span>    68/push  <a href='069slice.subx.html#L512'>_test-slice-data-1</a>/imm32/end
+<span id="L258" class="LineNr">258 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L259" class="LineNr">259 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L260" class="LineNr">260 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;Abc&quot;)</span>
 <span id="L261" class="LineNr">261 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -347,8 +347,8 @@ if ('onhashchange' in window) {
 <span id="L285" class="LineNr">285 </span>    55/push-EBP
 <span id="L286" class="LineNr">286 </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="L287" class="LineNr">287 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L288" class="LineNr">288 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/end
-<span id="L289" class="LineNr">289 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L288" class="LineNr">288 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/end
+<span id="L289" class="LineNr">289 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L290" class="LineNr">290 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L291" class="LineNr">291 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;Abc&quot;)</span>
 <span id="L292" class="LineNr">292 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -378,8 +378,8 @@ if ('onhashchange' in window) {
 <span id="L316" class="LineNr">316 </span>    55/push-EBP
 <span id="L317" class="LineNr">317 </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="L318" class="LineNr">318 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L319" class="LineNr">319 </span>    68/push  <a href='069slice.subx.html#L381'>_test-slice-data-2</a>/imm32/end
-<span id="L320" class="LineNr">320 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L319" class="LineNr">319 </span>    68/push  <a href='069slice.subx.html#L514'>_test-slice-data-2</a>/imm32/end
+<span id="L320" class="LineNr">320 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L321" class="LineNr">321 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L322" class="LineNr">322 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;&quot;)</span>
 <span id="L323" class="LineNr">323 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -409,8 +409,8 @@ if ('onhashchange' in window) {
 <span id="L347" class="LineNr">347 </span>    55/push-EBP
 <span id="L348" class="LineNr">348 </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="L349" class="LineNr">349 </span>    <span class="subxComment"># var slice/ECX</span>
-<span id="L350" class="LineNr">350 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/end
-<span id="L351" class="LineNr">351 </span>    68/push  <a href='069slice.subx.html#L377'>_test-slice-data-0</a>/imm32/start
+<span id="L350" class="LineNr">350 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/end
+<span id="L351" class="LineNr">351 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
 <span id="L352" class="LineNr">352 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
 <span id="L353" class="LineNr">353 </span>    <span class="subxComment"># EAX = slice-equal?(ECX, &quot;&quot;)</span>
 <span id="L354" class="LineNr">354 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -434,19 +434,152 @@ if ('onhashchange' in window) {
 <span id="L372" class="LineNr">372 </span>    5d/pop-to-EBP
 <span id="L373" class="LineNr">373 </span>    c3/return
 <span id="L374" class="LineNr">374 </span>
-<span id="L375" class="LineNr">375 </span>== data
-<span id="L376" class="LineNr">376 </span>
-<span id="L377" class="LineNr">377 </span><span class="subxMinorFunction">_test-slice-data-0</span>:
-<span id="L378" class="LineNr">378 </span>    41/A
-<span id="L379" class="LineNr">379 </span><span class="subxMinorFunction">_test-slice-data-1</span>:
-<span id="L380" class="LineNr">380 </span>    62/b
-<span id="L381" class="LineNr">381 </span><span class="subxMinorFunction">_test-slice-data-2</span>:
-<span id="L382" class="LineNr">382 </span>    63/c
-<span id="L383" class="LineNr">383 </span><span class="subxMinorFunction">_test-slice-data-3</span>:
-<span id="L384" class="LineNr">384 </span>    64/d
-<span id="L385" class="LineNr">385 </span><span class="subxMinorFunction">_test-slice-data-4</span>:
-<span id="L386" class="LineNr">386 </span>
-<span id="L387" class="LineNr">387 </span><span class="subxS1Comment"># . _. vim&#0058;nowrap:textwidth=0</span>
+<span id="L375" class="LineNr">375 </span><span class="subxFunction">write-slice</span>:  <span class="subxComment"># out : (address buffered-file), s : (address slice)</span>
+<span id="L376" class="LineNr">376 </span>    <span class="subxS1Comment"># . prolog</span>
+<span id="L377" class="LineNr">377 </span>    55/push-EBP
+<span id="L378" class="LineNr">378 </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="L379" class="LineNr">379 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L380" class="LineNr">380 </span>    50/push-EAX
+<span id="L381" class="LineNr">381 </span>    51/push-ECX
+<span id="L382" class="LineNr">382 </span>    52/push-EDX
+<span id="L383" class="LineNr">383 </span>    53/push-EBX
+<span id="L384" class="LineNr">384 </span>    56/push-ESI
+<span id="L385" class="LineNr">385 </span>    57/push-EDI
+<span id="L386" class="LineNr">386 </span>    <span class="subxComment"># ESI = s</span>
+<span id="L387" class="LineNr">387 </span>    8b/copy                         1/mod/*+disp8   5/rm32/EBP   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/ESI   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(EBP+12) to ESI</span>
+<span id="L388" class="LineNr">388 </span>    <span class="subxComment"># curr/ECX = s-&gt;start</span>
+<span id="L389" class="LineNr">389 </span>    8b/copy                         0/mod/indirect  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"># copy *ESI to ECX</span>
+<span id="L390" class="LineNr">390 </span>    <span class="subxComment"># max/ESI = s-&gt;end</span>
+<span id="L391" class="LineNr">391 </span>    8b/copy                         1/mod/*+disp8   6/rm32/ESI   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/ESI   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ESI+4) to ESI</span>
+<span id="L392" class="LineNr">392 </span>    <span class="subxComment"># EDI = f</span>
+<span id="L393" class="LineNr">393 </span>    8b/copy                         1/mod/*+disp8   5/rm32/EBP   <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="L394" class="LineNr">394 </span>    <span class="subxComment"># EDX = f-&gt;length</span>
+<span id="L395" class="LineNr">395 </span>    8b/copy                         1/mod/*+disp8   7/rm32/EDI   <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 *(EDI+12) to EDX</span>
+<span id="L396" class="LineNr">396 </span>    <span class="subxComment"># EBX = f-&gt;write</span>
+<span id="L397" class="LineNr">397 </span>    8b/copy                         1/mod/*+disp8   7/rm32/EDI   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/EBX   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(EDI+4) to EBX</span>
+<span id="L398" class="LineNr">398 </span><span class="Constant">$write-slice:loop</span>:
+<span id="L399" class="LineNr">399 </span>    <span class="subxComment"># if (curr &gt;= max) break</span>
+<span id="L400" class="LineNr">400 </span>    39/compare                      3/mod/direct    1/rm32/ECX   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/ESI  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare ECX with ESI</span>
+<span id="L401" class="LineNr">401 </span>    7d/jump-if-greater-or-equal  $write-slice:loop-end/disp8
+<span id="L402" class="LineNr">402 </span>    <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;length) flush and clear f's stream</span>
+<span id="L403" class="LineNr">403 </span>    39/compare                      3/mod/direct    3/rm32/EBX   <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 EBX with EDX</span>
+<span id="L404" class="LineNr">404 </span>    7c/jump-if-lesser  $write-slice:to-stream/disp8
+<span id="L405" class="LineNr">405 </span>    <span class="subxS1Comment"># . persist f-&gt;write</span>
+<span id="L406" class="LineNr">406 </span>    89/copy                         1/mod/*+disp8   7/rm32/EDI   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/EBX   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy EBX to *(EDI+4)</span>
+<span id="L407" class="LineNr">407 </span>    <span class="subxS1Comment"># . flush(f)</span>
+<span id="L408" class="LineNr">408 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L409" class="LineNr">409 </span>    57/push-EDI
+<span id="L410" class="LineNr">410 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L411" class="LineNr">411 </span>    e8/call  <a href='062write-byte.subx.html#L86'>flush</a>/disp32
+<span id="L412" class="LineNr">412 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L413" class="LineNr">413 </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>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L414" class="LineNr">414 </span>    <span class="subxS1Comment"># . clear-stream(stream = f+4)</span>
+<span id="L415" class="LineNr">415 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L416" class="LineNr">416 </span>    8d/copy-address                 1/mod/*+disp8   7/rm32/EDI   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/EAX   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy EDI+4 to EAX</span>
+<span id="L417" class="LineNr">417 </span>    50/push-EAX
+<span id="L418" class="LineNr">418 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L419" class="LineNr">419 </span>    e8/call  <a href='056write.subx.html#L85'>clear-stream</a>/disp32
+<span id="L420" class="LineNr">420 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L421" class="LineNr">421 </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>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L422" class="LineNr">422 </span>    <span class="subxS1Comment"># . f-&gt;write must now be 0; update its cache at EBX</span>
+<span id="L423" class="LineNr">423 </span>    31/xor                          3/mod/direct    3/rm32/EBX   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/EBX  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear EBX</span>
+<span id="L424" class="LineNr">424 </span><span class="Constant">$write-slice:to-stream</span>:
+<span id="L425" class="LineNr">425 </span>    <span class="subxComment"># f-&gt;data[f-&gt;write] = *in</span>
+<span id="L426" class="LineNr">426 </span>    <span class="subxS1Comment"># . AL = *in</span>
+<span id="L427" class="LineNr">427 </span>    31/xor                          3/mod/direct    0/rm32/EAX   <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"># clear EAX</span>
+<span id="L428" class="LineNr">428 </span>    8a/copy-byte                    0/mod/indirect  1/rm32/ECX   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/AL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *ECX to AL</span>
+<span id="L429" class="LineNr">429 </span>    <span class="subxS1Comment"># . f-&gt;data[f-&gt;write] = AL</span>
+<span id="L430" class="LineNr">430 </span>    88/copy-byte                    1/mod/*+disp8   4/rm32/sib    7/base/EDI  3/index/EBX  <span class="Normal"> . </span>          0/r32/AL    0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy AL to *(EDI+EBX+16)</span>
+<span id="L431" class="LineNr">431 </span>    <span class="subxComment"># ++f-&gt;write</span>
+<span id="L432" class="LineNr">432 </span>    43/increment-EBX
+<span id="L433" class="LineNr">433 </span>    <span class="subxComment"># ++in</span>
+<span id="L434" class="LineNr">434 </span>    41/increment-ECX
+<span id="L435" class="LineNr">435 </span>    eb/jump  $write-slice:loop/disp8
+<span id="L436" class="LineNr">436 </span><span class="Constant">$write-slice:loop-end</span>:
+<span id="L437" class="LineNr">437 </span>    <span class="subxComment"># persist necessary variables from registers</span>
+<span id="L438" class="LineNr">438 </span>    89/copy                         1/mod/*+disp8   7/rm32/EDI   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/EBX   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy EBX to *(EDI+4)</span>
+<span id="L439" class="LineNr">439 </span><span class="Constant">$write-slice:end</span>:
+<span id="L440" class="LineNr">440 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L441" class="LineNr">441 </span>    5f/pop-to-EDI
+<span id="L442" class="LineNr">442 </span>    5e/pop-to-ESI
+<span id="L443" class="LineNr">443 </span>    5b/pop-to-EBX
+<span id="L444" class="LineNr">444 </span>    5a/pop-to-EDX
+<span id="L445" class="LineNr">445 </span>    59/pop-to-ECX
+<span id="L446" class="LineNr">446 </span>    58/pop-to-EAX
+<span id="L447" class="LineNr">447 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L448" class="LineNr">448 </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="L449" class="LineNr">449 </span>    5d/pop-to-EBP
+<span id="L450" class="LineNr">450 </span>    c3/return
+<span id="L451" class="LineNr">451 </span>
+<span id="L452" class="LineNr">452 </span><span class="subxTest">test-write-slice</span>:
+<span id="L453" class="LineNr">453 </span>    <span class="subxS1Comment"># . prolog</span>
+<span id="L454" class="LineNr">454 </span>    55/push-EBP
+<span id="L455" class="LineNr">455 </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="L456" class="LineNr">456 </span>    <span class="subxComment"># setup</span>
+<span id="L457" class="LineNr">457 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L458" class="LineNr">458 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L459" class="LineNr">459 </span>    68/push  <a href='056write.subx.html#L193'>_test-stream</a>/imm32
+<span id="L460" class="LineNr">460 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L461" class="LineNr">461 </span>    e8/call  <a href='056write.subx.html#L85'>clear-stream</a>/disp32
+<span id="L462" class="LineNr">462 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L463" class="LineNr">463 </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>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L464" class="LineNr">464 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L465" class="LineNr">465 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L466" class="LineNr">466 </span>    b8/copy-to-EAX  <a href='059read-byte.subx.html#L290'>_test-buffered-file</a>/imm32
+<span id="L467" class="LineNr">467 </span>    05/add-to-EAX  4/imm32
+<span id="L468" class="LineNr">468 </span>    50/push-EAX
+<span id="L469" class="LineNr">469 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L470" class="LineNr">470 </span>    e8/call  <a href='056write.subx.html#L85'>clear-stream</a>/disp32
+<span id="L471" class="LineNr">471 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L472" class="LineNr">472 </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>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L473" class="LineNr">473 </span>    <span class="subxComment"># var slice/ECX = &quot;Abc&quot;</span>
+<span id="L474" class="LineNr">474 </span>    68/push  <a href='069slice.subx.html#L516'>_test-slice-data-3</a>/imm32/end
+<span id="L475" class="LineNr">475 </span>    68/push  <a href='069slice.subx.html#L510'>_test-slice-data-0</a>/imm32/start
+<span id="L476" class="LineNr">476 </span>    89/copy                         3/mod/direct    1/rm32/ECX   <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 ECX</span>
+<span id="L477" class="LineNr">477 </span>    <span class="subxComment"># write-slice(_test-buffered-file, slice)</span>
+<span id="L478" class="LineNr">478 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L479" class="LineNr">479 </span>    51/push-ECX
+<span id="L480" class="LineNr">480 </span>    68/push  <a href='059read-byte.subx.html#L290'>_test-buffered-file</a>/imm32
+<span id="L481" class="LineNr">481 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L482" class="LineNr">482 </span>    e8/call  <a href='069slice.subx.html#L375'>write-slice</a>/disp32
+<span id="L483" class="LineNr">483 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L484" class="LineNr">484 </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="L485" class="LineNr">485 </span>    <span class="subxComment"># flush(_test-buffered-file)</span>
+<span id="L486" class="LineNr">486 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L487" class="LineNr">487 </span>    68/push  <a href='059read-byte.subx.html#L290'>_test-buffered-file</a>/imm32
+<span id="L488" class="LineNr">488 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L489" class="LineNr">489 </span>    e8/call  <a href='062write-byte.subx.html#L86'>flush</a>/disp32
+<span id="L490" class="LineNr">490 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L491" class="LineNr">491 </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>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L492" class="LineNr">492 </span>    <span class="subxComment"># check-ints-equal(*_test-stream-&gt;data, &quot;Abc&quot;, msg)</span>
+<span id="L493" class="LineNr">493 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L494" class="LineNr">494 </span>    68/push  <span class="Constant">&quot;F - test-write-slice&quot;</span>/imm32
+<span id="L495" class="LineNr">495 </span>    68/push  0x636241/imm32
+<span id="L496" class="LineNr">496 </span>    <span class="subxS2Comment"># . . push *_test-stream-&gt;data</span>
+<span id="L497" class="LineNr">497 </span>    b8/copy-to-EAX  <a href='056write.subx.html#L193'>_test-stream</a>/imm32
+<span id="L498" class="LineNr">498 </span>    ff          6/subop/push        1/mod/*+disp8   0/rm32/EAX   <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 *(EAX+12)</span>
+<span id="L499" class="LineNr">499 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L500" class="LineNr">500 </span>    e8/call  <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
+<span id="L501" class="LineNr">501 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L502" class="LineNr">502 </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="L503" class="LineNr">503 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L504" class="LineNr">504 </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="L505" class="LineNr">505 </span>    5d/pop-to-EBP
+<span id="L506" class="LineNr">506 </span>    c3/return
+<span id="L507" class="LineNr">507 </span>
+<span id="L508" class="LineNr">508 </span>== data
+<span id="L509" class="LineNr">509 </span>
+<span id="L510" class="LineNr">510 </span><span class="subxMinorFunction">_test-slice-data-0</span>:
+<span id="L511" class="LineNr">511 </span>    41/A
+<span id="L512" class="LineNr">512 </span><span class="subxMinorFunction">_test-slice-data-1</span>:
+<span id="L513" class="LineNr">513 </span>    62/b
+<span id="L514" class="LineNr">514 </span><span class="subxMinorFunction">_test-slice-data-2</span>:
+<span id="L515" class="LineNr">515 </span>    63/c
+<span id="L516" class="LineNr">516 </span><span class="subxMinorFunction">_test-slice-data-3</span>:
+<span id="L517" class="LineNr">517 </span>    64/d
+<span id="L518" class="LineNr">518 </span><span class="subxMinorFunction">_test-slice-data-4</span>:
+<span id="L519" class="LineNr">519 </span>
+<span id="L520" class="LineNr">520 </span><span class="subxS1Comment"># . _. vim&#0058;nowrap:textwidth=0</span>
 </pre>
 </body>
 </html>
diff --git a/subx/069slice.subx b/subx/069slice.subx
index a652ed4d..7be920ec 100644
--- a/subx/069slice.subx
+++ b/subx/069slice.subx
@@ -372,6 +372,139 @@ test-slice-equal-empty-with-empty:
     5d/pop-to-EBP
     c3/return
 
+write-slice:  # out : (address buffered-file), s : (address slice)
+    # . prolog
+    55/push-EBP
+    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
+    # . save registers
+    50/push-EAX
+    51/push-ECX
+    52/push-EDX
+    53/push-EBX
+    56/push-ESI
+    57/push-EDI
+    # ESI = s
+    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           6/r32/ESI   0xc/disp8       .                 # copy *(EBP+12) to ESI
+    # curr/ECX = s->start
+    8b/copy                         0/mod/indirect  6/rm32/ESI    .           .             .           1/r32/ECX   .               .                 # copy *ESI to ECX
+    # max/ESI = s->end
+    8b/copy                         1/mod/*+disp8   6/rm32/ESI    .           .             .           6/r32/ESI   4/disp8         .                 # copy *(ESI+4) to ESI
+    # EDI = f
+    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .                         7/r32/EDI   8/disp8         .                 # copy *(EBP+8) to EDI
+    # EDX = f->length
+    8b/copy                         1/mod/*+disp8   7/rm32/EDI    .           .             .           2/r32/EDX   0xc/disp8       .                 # copy *(EDI+12) to EDX
+    # EBX = f->write
+    8b/copy                         1/mod/*+disp8   7/rm32/EDI    .           .             .           3/r32/EBX   4/disp8         .                 # copy *(EDI+4) to EBX
+$write-slice:loop:
+    # if (curr >= max) break
+    39/compare                      3/mod/direct    1/rm32/ECX    .           .             .           6/r32/ESI   .               .                 # compare ECX with ESI
+    7d/jump-if-greater-or-equal  $write-slice:loop-end/disp8
+    # if (f->write >= f->length) flush and clear f's stream
+    39/compare                      3/mod/direct    3/rm32/EBX    .           .             .           2/r32/EDX   .               .                 # compare EBX with EDX
+    7c/jump-if-lesser  $write-slice:to-stream/disp8
+    # . persist f->write
+    89/copy                         1/mod/*+disp8   7/rm32/EDI    .           .             .           3/r32/EBX   4/disp8         .                 # copy EBX to *(EDI+4)
+    # . flush(f)
+    # . . push args
+    57/push-EDI
+    # . . call
+    e8/call  flush/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # . clear-stream(stream = f+4)
+    # . . push args
+    8d/copy-address                 1/mod/*+disp8   7/rm32/EDI    .           .             .           0/r32/EAX   4/disp8         .                 # copy EDI+4 to EAX
+    50/push-EAX
+    # . . call
+    e8/call  clear-stream/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # . f->write must now be 0; update its cache at EBX
+    31/xor                          3/mod/direct    3/rm32/EBX    .           .             .           3/r32/EBX   .               .                 # clear EBX
+$write-slice:to-stream:
+    # f->data[f->write] = *in
+    # . AL = *in
+    31/xor                          3/mod/direct    0/rm32/EAX    .           .             .           0/r32/EAX   .               .                 # clear EAX
+    8a/copy-byte                    0/mod/indirect  1/rm32/ECX    .           .             .           0/r32/AL    .               .                 # copy byte at *ECX to AL
+    # . f->data[f->write] = AL
+    88/copy-byte                    1/mod/*+disp8   4/rm32/sib    7/base/EDI  3/index/EBX   .           0/r32/AL    0x10/disp8      .                 # copy AL to *(EDI+EBX+16)
+    # ++f->write
+    43/increment-EBX
+    # ++in
+    41/increment-ECX
+    eb/jump  $write-slice:loop/disp8
+$write-slice:loop-end:
+    # persist necessary variables from registers
+    89/copy                         1/mod/*+disp8   7/rm32/EDI    .           .             .           3/r32/EBX   4/disp8         .                 # copy EBX to *(EDI+4)
+$write-slice:end:
+    # . restore registers
+    5f/pop-to-EDI
+    5e/pop-to-ESI
+    5b/pop-to-EBX
+    5a/pop-to-EDX
+    59/pop-to-ECX
+    58/pop-to-EAX
+    # . epilog
+    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
+    5d/pop-to-EBP
+    c3/return
+
+test-write-slice:
+    # . prolog
+    55/push-EBP
+    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
+    # setup
+    # . clear-stream(_test-stream)
+    # . . push args
+    68/push  _test-stream/imm32
+    # . . call
+    e8/call  clear-stream/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # . clear-stream(_test-buffered-file+4)
+    # . . push args
+    b8/copy-to-EAX  _test-buffered-file/imm32
+    05/add-to-EAX  4/imm32
+    50/push-EAX
+    # . . call
+    e8/call  clear-stream/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # var slice/ECX = "Abc"
+    68/push  _test-slice-data-3/imm32/end
+    68/push  _test-slice-data-0/imm32/start
+    89/copy                         3/mod/direct    1/rm32/ECX    .           .             .           4/r32/ESP   .               .                 # copy ESP to ECX
+    # write-slice(_test-buffered-file, slice)
+    # . . push args
+    51/push-ECX
+    68/push  _test-buffered-file/imm32
+    # . . call
+    e8/call  write-slice/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
+    # flush(_test-buffered-file)
+    # . . push args
+    68/push  _test-buffered-file/imm32
+    # . . call
+    e8/call  flush/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # check-ints-equal(*_test-stream->data, "Abc", msg)
+    # . . push args
+    68/push  "F - test-write-slice"/imm32
+    68/push  0x636241/imm32
+    # . . push *_test-stream->data
+    b8/copy-to-EAX  _test-stream/imm32
+    ff          6/subop/push        1/mod/*+disp8   0/rm32/EAX    .           .             .           .           0xc/disp8       .                 # push *(EAX+12)
+    # . . call
+    e8/call  check-ints-equal/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
+    # . epilog
+    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
+    5d/pop-to-EBP
+    c3/return
+
 == data
 
 _test-slice-data-0:
diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1
index 525d4983..614fa178 100755
--- a/subx/apps/crenshaw2-1
+++ b/subx/apps/crenshaw2-1
Binary files differdiff --git a/subx/apps/crenshaw2-1b b/subx/apps/crenshaw2-1b
index 2b040406..633bc760 100755
--- a/subx/apps/crenshaw2-1b
+++ b/subx/apps/crenshaw2-1b
Binary files differdiff --git a/subx/apps/factorial b/subx/apps/factorial
index 924ce4bc..0126f320 100755
--- a/subx/apps/factorial
+++ b/subx/apps/factorial
Binary files differdiff --git a/subx/apps/handle b/subx/apps/handle
index 5cbed69e..b2b4b70c 100755
--- a/subx/apps/handle
+++ b/subx/apps/handle
Binary files differdiff --git a/subx/apps/hex b/subx/apps/hex
index 2cca804f..1ef41c17 100755
--- a/subx/apps/hex
+++ b/subx/apps/hex
Binary files differdiff --git a/subx/apps/pack.subx b/subx/apps/pack.subx
index b2b7a32a..5cd693b8 100644
--- a/subx/apps/pack.subx
+++ b/subx/apps/pack.subx
@@ -78,28 +78,28 @@ $main:end:
 # - To pack an instruction, following the C++ version:
 # read line
 # parse words
-# read first word as opcode and emit
-# if 0f or f2 or f3 read second opcode and emit
-# if 'f2 0f' or 'f3 0f' read third opcode and emit
+# read first word as opcode and write-slice
+# if 0f or f2 or f3 read second opcode and write-slice
+# if 'f2 0f' or 'f3 0f' read third opcode and write-slice
 # scan words
 #   if has metadata 'mod', parse into mod
 #   if has metadata 'rm32', parse into rm32
 #   if has metadata 'r32', parse into r32
 #   if has metadata 'subop', parse into r32
-# if at least one of the 3 was present, emit modrm byte
+# if at least one of the 3 was present, print-byte
 # scan words
 #   if has metadata 'base', parse into base
 #   if has metadata 'index', parse into index
 #   if has metadata 'scale', parse into scale
-# if at least one of the 3 was present, emit sib byte
+# if at least one of the 3 was present, print-byte
 # parse errors => <abort>
 # scan words
-#   if has metadata 'disp8', emit-maybe
-#   if has metadata 'disp16', emit-maybe as 2 bytes
-#   if has metadata 'disp32', emit-maybe as 4 bytes
+#   if has metadata 'disp8', emit as 1 byte
+#   if has metadata 'disp16', emit as 2 bytes
+#   if has metadata 'disp32', emit as 4 bytes
 # scan words
-#   if has metadata 'imm8', emit-maybe
-#   if has metadata 'imm32', emit-maybe as 4 bytes
+#   if has metadata 'imm8', emit
+#   if has metadata 'imm32', emit as 4 bytes
 # finally, emit line prefixed with a '  # '
 
 # simplifications since we perform zero error handling (continuing to rely on the C++ version for that):
@@ -121,8 +121,9 @@ $main:end:
 #   slice-equal?(slice, kernel string)
 
 # helpers:
-#   emit-maybe(out : &buffered-file, n : int, width : int)
-#   emit(out : &buffered-file, word : &slice)
+#   emit(out : &buffered-file, word : &slice, width : int)
+#     if slice is all hex digits, parse and print appropriate digits
+#     otherwise just write-slice
 #   has-metadata?(word : &slice, s : &kernel-string) -> bool
 
 convert:  # in : (address buffered-file), out : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> <void>