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authorKartik Agaram <vc@akkartik.com>2018-10-17 07:08:47 -0700
committerKartik Agaram <vc@akkartik.com>2018-10-17 07:08:47 -0700
commit104e521c04d1a0cad9c68fb11e250e12ad8917ef (patch)
treedf4258ad26cb78e25abee64c80aedab47aa461ea /html/subx/apps
parent800320a70c981008302af56b2f35a142c1101401 (diff)
downloadmu-104e521c04d1a0cad9c68fb11e250e12ad8917ef.tar.gz
4709
Diffstat (limited to 'html/subx/apps')
-rw-r--r--html/subx/apps/crenshaw2-1.subx.html203
-rw-r--r--html/subx/apps/factorial.subx.html147
2 files changed, 162 insertions, 188 deletions
diff --git a/html/subx/apps/crenshaw2-1.subx.html b/html/subx/apps/crenshaw2-1.subx.html
index 8ac601ec..1ff68646 100644
--- a/html/subx/apps/crenshaw2-1.subx.html
+++ b/html/subx/apps/crenshaw2-1.subx.html
@@ -54,121 +54,94 @@ if ('onhashchange' in window) {
 </head>
 <body onload='JumpToLine();'>
 <pre id='vimCodeElement'>
-<span id="L1" class="LineNr">  1 </span><span class="SalientComment">## port of <a href="https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas">https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas</a></span>
-<span id="L2" class="LineNr">  2 </span><span class="Comment"># corresponds to the section &quot;single digits&quot; in <a href="https://compilers.iecc.com/crenshaw/tutor2.txt">https://compilers.iecc.com/crenshaw/tutor2.txt</a></span>
-<span id="L3" class="LineNr">  3 </span><span class="Comment">#</span>
-<span id="L4" class="LineNr">  4 </span><span class="Comment"># To run (from the subx directory):</span>
-<span id="L5" class="LineNr">  5 </span><span class="Comment">#   $ subx translate *.subx apps/crenshaw2.1.subx -o crenshaw 2.1</span>
-<span id="L6" class="LineNr">  6 </span><span class="Comment">#   $ echo '3'  |subx run apps/crenshaw2.1  |xxd -</span>
-<span id="L7" class="LineNr">  7 </span><span class="Comment"># Expected output:</span>
-<span id="L8" class="LineNr">  8 </span><span class="Comment">#   TODO</span>
-<span id="L9" class="LineNr">  9 </span><span class="Comment">#</span>
-<span id="L10" class="LineNr"> 10 </span><span class="Comment"># The output is the code a function would need to include, returning the</span>
-<span id="L11" class="LineNr"> 11 </span><span class="Comment"># result in EAX.</span>
-<span id="L12" class="LineNr"> 12 </span><span class="Comment">#</span>
-<span id="L13" class="LineNr"> 13 </span><span class="Comment"># Major note: byte strings are not null-terminated. Instead they're prefixed</span>
-<span id="L14" class="LineNr"> 14 </span><span class="Comment"># with a 32-bit length.</span>
-<span id="L15" class="LineNr"> 15 </span>
-<span id="L16" class="LineNr"> 16 </span>== code
-<span id="L17" class="LineNr"> 17 </span><span class="Comment"># instruction                     effective address                                                   operand     displacement    immediate</span>
-<span id="L18" class="LineNr"> 18 </span><span class="Comment"># op          subop               mod             rm32          base        index         scale       r32</span>
-<span id="L19" class="LineNr"> 19 </span><span class="Comment"># 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes</span>
-<span id="L20" class="LineNr"> 20 </span>
-<span id="L21" class="LineNr"> 21 </span><span class="Comment"># main:</span>
-<span id="L22" class="LineNr"> 22 </span>  <span class="Comment"># abort(&quot;Integer&quot;)</span>
-<span id="L23" class="LineNr"> 23 </span>    <span class="Comment"># push args</span>
-<span id="L24" class="LineNr"> 24 </span>  68/push  &quot;Integer&quot;/imm32
-<span id="L25" class="LineNr"> 25 </span>    <span class="Comment"># call</span>
-<span id="L26" class="LineNr"> 26 </span>  e8/call  abort/disp32
-<span id="L27" class="LineNr"> 27 </span>    <span class="Comment"># discard arg</span>
-<span id="L28" class="LineNr"> 28 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L29" class="LineNr"> 29 </span>  <span class="Comment"># exit(0)</span>
-<span id="L30" class="LineNr"> 30 </span>  bb/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              0/imm32           <span class="Comment"># copy to EBX</span>
-<span id="L31" class="LineNr"> 31 </span>  b8/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32/exit      <span class="Comment"># copy to EAX</span>
-<span id="L32" class="LineNr"> 32 </span>  cd/syscall  0x80/imm8
-<span id="L33" class="LineNr"> 33 </span>
-<span id="L34" class="LineNr"> 34 </span><span class="SalientComment">## helpers</span>
-<span id="L35" class="LineNr"> 35 </span>
-<span id="L36" class="LineNr"> 36 </span><span class="Comment"># print error message and exit</span>
-<span id="L37" class="LineNr"> 37 </span><span class="Comment"># really maps to the 'Expected' function in Crenshaw</span>
-<span id="L38" class="LineNr"> 38 </span>abort:  <span class="Comment"># s : (address array byte) -&gt; &lt;void&gt;</span>
-<span id="L39" class="LineNr"> 39 </span>  <span class="Comment"># error(s)</span>
-<span id="L40" class="LineNr"> 40 </span>    <span class="Comment"># push args</span>
-<span id="L41" class="LineNr"> 41 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          4/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># push *(ESP+4)</span>
-<span id="L42" class="LineNr"> 42 </span>    <span class="Comment"># call</span>
-<span id="L43" class="LineNr"> 43 </span>  e8/call  error/disp32
-<span id="L44" class="LineNr"> 44 </span>    <span class="Comment"># discard arg</span>
-<span id="L45" class="LineNr"> 45 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="Comment"># exit(1)</span>
-<span id="L47" class="LineNr"> 47 </span>  bb/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># copy to EBX</span>
-<span id="L48" class="LineNr"> 48 </span>  b8/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32/exit      <span class="Comment"># copy to EAX</span>
-<span id="L49" class="LineNr"> 49 </span>  cd/syscall  0x80/imm8
-<span id="L50" class="LineNr"> 50 </span>
-<span id="L51" class="LineNr"> 51 </span><span class="Comment"># print out &quot;Error: #{s} expected\n&quot; to stderr</span>
-<span id="L52" class="LineNr"> 52 </span>error:  <span class="Comment"># s : (address array byte) -&gt; &lt;void&gt;</span>
-<span id="L53" class="LineNr"> 53 </span>  <span class="Comment"># write_stderr(&quot;Error: &quot;)</span>
-<span id="L54" class="LineNr"> 54 </span>    <span class="Comment"># push args</span>
-<span id="L55" class="LineNr"> 55 </span>  68/push  &quot;Error: &quot;/imm32
-<span id="L56" class="LineNr"> 56 </span>    <span class="Comment"># call</span>
-<span id="L57" class="LineNr"> 57 </span>  e8/call  write_stderr/disp32
-<span id="L58" class="LineNr"> 58 </span>    <span class="Comment"># discard arg</span>
-<span id="L59" class="LineNr"> 59 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L60" class="LineNr"> 60 </span>  <span class="Comment"># write_stderr(s)</span>
-<span id="L61" class="LineNr"> 61 </span>    <span class="Comment"># push args</span>
-<span id="L62" class="LineNr"> 62 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          4/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># push *(ESP+4)</span>
-<span id="L63" class="LineNr"> 63 </span>    <span class="Comment"># call</span>
-<span id="L64" class="LineNr"> 64 </span>  e8/call  write_stderr/disp32
-<span id="L65" class="LineNr"> 65 </span>    <span class="Comment"># discard arg</span>
-<span id="L66" class="LineNr"> 66 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L67" class="LineNr"> 67 </span>  <span class="Comment"># write_stderr(&quot; expected&quot;)</span>
-<span id="L68" class="LineNr"> 68 </span>    <span class="Comment"># push args</span>
-<span id="L69" class="LineNr"> 69 </span>  68/push  &quot; expected&quot;/imm32
-<span id="L70" class="LineNr"> 70 </span>    <span class="Comment"># call</span>
-<span id="L71" class="LineNr"> 71 </span>  e8/call  write_stderr/disp32
-<span id="L72" class="LineNr"> 72 </span>    <span class="Comment"># discard arg</span>
-<span id="L73" class="LineNr"> 73 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L74" class="LineNr"> 74 </span>  <span class="Comment"># write_stderr(&quot;\n&quot;)</span>
-<span id="L75" class="LineNr"> 75 </span>    <span class="Comment"># push args</span>
-<span id="L76" class="LineNr"> 76 </span>  68/push  Newline/imm32
-<span id="L77" class="LineNr"> 77 </span>    <span class="Comment"># call</span>
-<span id="L78" class="LineNr"> 78 </span>  e8/call  write_stderr/disp32
-<span id="L79" class="LineNr"> 79 </span>    <span class="Comment"># discard arg</span>
-<span id="L80" class="LineNr"> 80 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L81" class="LineNr"> 81 </span>  <span class="Comment"># end</span>
-<span id="L82" class="LineNr"> 82 </span>  c3/return
-<span id="L83" class="LineNr"> 83 </span>
-<span id="L84" class="LineNr"> 84 </span>write_stdout:  <span class="Comment"># s : (address array byte) -&gt; &lt;void&gt;</span>
-<span id="L85" class="LineNr"> 85 </span>  <span class="Comment"># prolog</span>
-<span id="L86" class="LineNr"> 86 </span>  55/push-EBP
-<span id="L87" class="LineNr"> 87 </span>  89/copy                         3/mod/direct    5/rm32/EBP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          4/r32/ESP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy ESP to EBP</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="Comment"># save registers</span>
-<span id="L89" class="LineNr"> 89 </span>  50/push-EAX
-<span id="L90" class="LineNr"> 90 </span>  51/push-ECX
-<span id="L91" class="LineNr"> 91 </span>  52/push-EDX
-<span id="L92" class="LineNr"> 92 </span>  53/push-EBX
-<span id="L93" class="LineNr"> 93 </span>  <span class="Comment"># write(1/stdout, (data) s+4, (size) *s)</span>
-<span id="L94" class="LineNr"> 94 </span>    <span class="Comment"># fd = 1 (stdout)</span>
-<span id="L95" class="LineNr"> 95 </span>  bb/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># copy to EBX</span>
-<span id="L96" class="LineNr"> 96 </span>    <span class="Comment"># x = s+4</span>
-<span id="L97" class="LineNr"> 97 </span>  8b/copy                         1/mod/*+disp8   4/rm32/SIB    5/base/EBP  4/index/none <span class="Delimiter"> . </span>          1/r32/ECX   8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># copy *(EBP+8) to ECX</span>
-<span id="L98" class="LineNr"> 98 </span>  81          0/subop/add         3/mod/direct    1/rm32/ECX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ECX</span>
-<span id="L99" class="LineNr"> 99 </span>    <span class="Comment"># size = *s</span>
-<span id="L100" class="LineNr">100 </span>  8b/copy                         1/mod/*+disp8   4/rm32/SIB    5/base/EBP  4/index/none <span class="Delimiter"> . </span>          2/r32/EDX   8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># copy *(EBP+8) to EDX</span>
-<span id="L101" class="LineNr">101 </span>  8b/copy                         0/mod/indirect  2/rm32/EDX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          2/r32/EDX  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy *EDX to EDX</span>
-<span id="L102" class="LineNr">102 </span>    <span class="Comment"># call write()</span>
-<span id="L103" class="LineNr">103 </span>  b8/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32/write     <span class="Comment"># copy to EAX</span>
-<span id="L104" class="LineNr">104 </span>  cd/syscall  0x80/imm8
-<span id="L105" class="LineNr">105 </span>  <span class="Comment"># restore registers</span>
-<span id="L106" class="LineNr">106 </span>  5b/pop-to-EBX
-<span id="L107" class="LineNr">107 </span>  5a/pop-to-EDX
-<span id="L108" class="LineNr">108 </span>  59/pop-to-ECX
-<span id="L109" class="LineNr">109 </span>  58/pop-to-EAX
-<span id="L110" class="LineNr">110 </span>  <span class="Comment"># end</span>
-<span id="L111" class="LineNr">111 </span>  89/copy                         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          5/r32/EBP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy EBP to ESP</span>
-<span id="L112" class="LineNr">112 </span>  5d/pop-to-EBP
-<span id="L113" class="LineNr">113 </span>  c3/return
-<span id="L114" class="LineNr">114 </span>
-<span id="L115" class="LineNr">115 </span><span class="Comment"># vim&#0058;ft=subx:nowrap:so=0</span>
+<span id="L1" class="LineNr"> 1 </span><span class="SalientComment">## port of <a href="https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas">https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas</a></span>
+<span id="L2" class="LineNr"> 2 </span><span class="Comment"># corresponds to the section &quot;single digits&quot; in <a href="https://compilers.iecc.com/crenshaw/tutor2.txt">https://compilers.iecc.com/crenshaw/tutor2.txt</a></span>
+<span id="L3" class="LineNr"> 3 </span><span class="Comment">#</span>
+<span id="L4" class="LineNr"> 4 </span><span class="Comment"># To run (from the subx directory):</span>
+<span id="L5" class="LineNr"> 5 </span><span class="Comment">#   $ subx translate *.subx apps/crenshaw2.1.subx -o crenshaw 2.1</span>
+<span id="L6" class="LineNr"> 6 </span><span class="Comment">#   $ echo '3'  |subx run apps/crenshaw2.1  |xxd -</span>
+<span id="L7" class="LineNr"> 7 </span><span class="Comment"># Expected output:</span>
+<span id="L8" class="LineNr"> 8 </span><span class="Comment">#   TODO</span>
+<span id="L9" class="LineNr"> 9 </span><span class="Comment">#</span>
+<span id="L10" class="LineNr">10 </span><span class="Comment"># The output is the code a function would need to include, returning the</span>
+<span id="L11" class="LineNr">11 </span><span class="Comment"># result in EAX.</span>
+<span id="L12" class="LineNr">12 </span><span class="Comment">#</span>
+<span id="L13" class="LineNr">13 </span><span class="Comment"># Major note: byte strings are not null-terminated. Instead they're prefixed</span>
+<span id="L14" class="LineNr">14 </span><span class="Comment"># with a 32-bit length.</span>
+<span id="L15" class="LineNr">15 </span>
+<span id="L16" class="LineNr">16 </span>== code
+<span id="L17" class="LineNr">17 </span><span class="Comment"># instruction                     effective address                                                   operand     displacement    immediate</span>
+<span id="L18" class="LineNr">18 </span><span class="Comment"># op          subop               mod             rm32          base        index         scale       r32</span>
+<span id="L19" class="LineNr">19 </span><span class="Comment"># 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes</span>
+<span id="L20" class="LineNr">20 </span>
+<span id="L21" class="LineNr">21 </span><span class="Comment"># main:</span>
+<span id="L22" class="LineNr">22 </span>  <span class="Comment"># abort(&quot;Integer&quot;)</span>
+<span id="L23" class="LineNr">23 </span>    <span class="Comment"># push args</span>
+<span id="L24" class="LineNr">24 </span>  68/push  &quot;Integer&quot;/imm32
+<span id="L25" class="LineNr">25 </span>    <span class="Comment"># call</span>
+<span id="L26" class="LineNr">26 </span>  e8/call  abort/disp32
+<span id="L27" class="LineNr">27 </span>    <span class="Comment"># discard arg</span>
+<span id="L28" class="LineNr">28 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
+<span id="L29" class="LineNr">29 </span>  <span class="Comment"># syscall(exit, 0)</span>
+<span id="L30" class="LineNr">30 </span>  bb/copy-to-EBX  0/imm32
+<span id="L31" class="LineNr">31 </span>  b8/copy-to-EAX  1/imm32/exit
+<span id="L32" class="LineNr">32 </span>  cd/syscall  0x80/imm8
+<span id="L33" class="LineNr">33 </span>
+<span id="L34" class="LineNr">34 </span><span class="SalientComment">## helpers</span>
+<span id="L35" class="LineNr">35 </span>
+<span id="L36" class="LineNr">36 </span><span class="Comment"># print error message and exit</span>
+<span id="L37" class="LineNr">37 </span><span class="Comment"># really maps to the 'Expected' function in Crenshaw</span>
+<span id="L38" class="LineNr">38 </span>abort:  <span class="Comment"># s : (address array byte) -&gt; &lt;void&gt;</span>
+<span id="L39" class="LineNr">39 </span>  <span class="Comment"># error(s)</span>
+<span id="L40" class="LineNr">40 </span>    <span class="Comment"># push args</span>
+<span id="L41" class="LineNr">41 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          4/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># push *(ESP+4)</span>
+<span id="L42" class="LineNr">42 </span>    <span class="Comment"># call</span>
+<span id="L43" class="LineNr">43 </span>  e8/call  error/disp32
+<span id="L44" class="LineNr">44 </span>    <span class="Comment"># discard arg</span>
+<span id="L45" class="LineNr">45 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
+<span id="L46" class="LineNr">46 </span>  <span class="Comment"># syscall(exit, 1)</span>
+<span id="L47" class="LineNr">47 </span>  bb/copy-to-EBX  1/imm32
+<span id="L48" class="LineNr">48 </span>  b8/copy-to-EAX  1/imm32/exit
+<span id="L49" class="LineNr">49 </span>  cd/syscall  0x80/imm8
+<span id="L50" class="LineNr">50 </span>
+<span id="L51" class="LineNr">51 </span><span class="Comment"># print out &quot;Error: #{s} expected\n&quot; to stderr</span>
+<span id="L52" class="LineNr">52 </span>error:  <span class="Comment"># s : (address array byte) -&gt; &lt;void&gt;</span>
+<span id="L53" class="LineNr">53 </span>  <span class="Comment"># _write(2/stderr, &quot;Error: &quot;)</span>
+<span id="L54" class="LineNr">54 </span>    <span class="Comment"># push args</span>
+<span id="L55" class="LineNr">55 </span>  68/push  &quot;Error: &quot;/imm32
+<span id="L56" class="LineNr">56 </span>  68/push  2/imm32/stderr
+<span id="L57" class="LineNr">57 </span>    <span class="Comment"># call</span>
+<span id="L58" class="LineNr">58 </span>  e8/call  _write/disp32
+<span id="L59" class="LineNr">59 </span>    <span class="Comment"># discard arg</span>
+<span id="L60" class="LineNr">60 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              8/imm32           <span class="Comment"># add to ESP</span>
+<span id="L61" class="LineNr">61 </span>  <span class="Comment"># _write(2/stderr, s)</span>
+<span id="L62" class="LineNr">62 </span>    <span class="Comment"># push args</span>
+<span id="L63" class="LineNr">63 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          4/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># push *(ESP+4)</span>
+<span id="L64" class="LineNr">64 </span>  68/push  2/imm32/stderr
+<span id="L65" class="LineNr">65 </span>    <span class="Comment"># call</span>
+<span id="L66" class="LineNr">66 </span>  e8/call  _write/disp32
+<span id="L67" class="LineNr">67 </span>    <span class="Comment"># discard arg</span>
+<span id="L68" class="LineNr">68 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              8/imm32           <span class="Comment"># add to ESP</span>
+<span id="L69" class="LineNr">69 </span>  <span class="Comment"># _write(2/stderr, &quot; expected&quot;)</span>
+<span id="L70" class="LineNr">70 </span>    <span class="Comment"># push args</span>
+<span id="L71" class="LineNr">71 </span>  68/push  &quot; expected&quot;/imm32
+<span id="L72" class="LineNr">72 </span>  68/push  2/imm32/stderr
+<span id="L73" class="LineNr">73 </span>    <span class="Comment"># call</span>
+<span id="L74" class="LineNr">74 </span>  e8/call  _write/disp32
+<span id="L75" class="LineNr">75 </span>    <span class="Comment"># discard arg</span>
+<span id="L76" class="LineNr">76 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              8/imm32           <span class="Comment"># add to ESP</span>
+<span id="L77" class="LineNr">77 </span>  <span class="Comment"># _write(2/stderr, &quot;\n&quot;)</span>
+<span id="L78" class="LineNr">78 </span>    <span class="Comment"># push args</span>
+<span id="L79" class="LineNr">79 </span>  68/push  Newline/imm32
+<span id="L80" class="LineNr">80 </span>  68/push  2/imm32/stderr
+<span id="L81" class="LineNr">81 </span>    <span class="Comment"># call</span>
+<span id="L82" class="LineNr">82 </span>  e8/call  _write/disp32
+<span id="L83" class="LineNr">83 </span>    <span class="Comment"># discard arg</span>
+<span id="L84" class="LineNr">84 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              8/imm32           <span class="Comment"># add to ESP</span>
+<span id="L85" class="LineNr">85 </span>  <span class="Comment"># end</span>
+<span id="L86" class="LineNr">86 </span>  c3/return
+<span id="L87" class="LineNr">87 </span>
+<span id="L88" class="LineNr">88 </span><span class="Comment"># vim&#0058;nowrap:textwidth=0</span>
 </pre>
 </body>
 </html>
diff --git a/html/subx/apps/factorial.subx.html b/html/subx/apps/factorial.subx.html
index 7111a908..8e65e9cc 100644
--- a/html/subx/apps/factorial.subx.html
+++ b/html/subx/apps/factorial.subx.html
@@ -79,88 +79,89 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr"> 23 </span>  <span class="Comment"># prolog</span>
 <span id="L24" class="LineNr"> 24 </span>  89/copy                         3/mod/direct    5/rm32/EBP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          4/r32/ESP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy ESP to EBP</span>
 <span id="L25" class="LineNr"> 25 </span>  <span class="Comment"># if (argc &gt; 1)</span>
-<span id="L26" class="LineNr"> 26 </span>  81          7/subop/compare     1/mod/*+disp8   4/rm32/SIB    5/base/EBP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          0/disp8         1/imm32           <span class="Comment"># compare *EBP</span>
-<span id="L27" class="LineNr"> 27 </span>  7e/jump-if-lesser-or-equal  $run_main/disp8
+<span id="L26" class="LineNr"> 26 </span>  81          7/subop/compare     1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          0/disp8         1/imm32           <span class="Comment"># compare *EBP</span>
+<span id="L27" class="LineNr"> 27 </span>  7e/jump-if-lesser-or-equal  $run-main/disp8
 <span id="L28" class="LineNr"> 28 </span>  <span class="Comment"># and if (argv[1] == &quot;test&quot;)</span>
 <span id="L29" class="LineNr"> 29 </span>    <span class="Comment"># push args</span>
 <span id="L30" class="LineNr"> 30 </span>  68/push  &quot;test&quot;/imm32
 <span id="L31" class="LineNr"> 31 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          0x8/disp8      <span class="Delimiter"> . </span>                <span class="Comment"># push *(EBP+8)</span>
 <span id="L32" class="LineNr"> 32 </span>    <span class="Comment"># call</span>
-<span id="L33" class="LineNr"> 33 </span>  e8/call  kernel_string_equal/disp32
+<span id="L33" class="LineNr"> 33 </span>  e8/call  kernel-string-equal/disp32
 <span id="L34" class="LineNr"> 34 </span>    <span class="Comment"># discard args</span>
 <span id="L35" class="LineNr"> 35 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              8/imm32           <span class="Comment"># add to ESP</span>
 <span id="L36" class="LineNr"> 36 </span>    <span class="Comment"># check result</span>
 <span id="L37" class="LineNr"> 37 </span>  3d/compare-EAX  1/imm32
-<span id="L38" class="LineNr"> 38 </span>  75/jump-if-not-equal  $run_main/disp8
-<span id="L39" class="LineNr"> 39 </span>  <span class="Comment"># then</span>
-<span id="L40" class="LineNr"> 40 </span>  e8/call  run_tests/disp32
-<span id="L41" class="LineNr"> 41 </span>  eb/jump  $main_exit/disp8
-<span id="L42" class="LineNr"> 42 </span>  <span class="Comment"># else EAX = factorial(5)</span>
-<span id="L43" class="LineNr"> 43 </span>$run_main:
-<span id="L44" class="LineNr"> 44 </span>    <span class="Comment"># push arg</span>
-<span id="L45" class="LineNr"> 45 </span>  68/push  5/imm32
-<span id="L46" class="LineNr"> 46 </span>    <span class="Comment"># call</span>
-<span id="L47" class="LineNr"> 47 </span>  e8/call  factorial/disp32
-<span id="L48" class="LineNr"> 48 </span>    <span class="Comment"># discard arg</span>
-<span id="L49" class="LineNr"> 49 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L50" class="LineNr"> 50 </span>$main_exit:
-<span id="L51" class="LineNr"> 51 </span>  <span class="Comment"># exit(EAX)</span>
-<span id="L52" class="LineNr"> 52 </span>  89/copy                         3/mod/direct    3/rm32/EBX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          0/r32/EAX  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy EAX to EBX</span>
-<span id="L53" class="LineNr"> 53 </span>  b8/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># copy to EAX</span>
-<span id="L54" class="LineNr"> 54 </span>  cd/syscall  0x80/imm8
-<span id="L55" class="LineNr"> 55 </span>
-<span id="L56" class="LineNr"> 56 </span><span class="Comment"># factorial(n)</span>
-<span id="L57" class="LineNr"> 57 </span>factorial:
-<span id="L58" class="LineNr"> 58 </span>  <span class="Comment"># prolog</span>
-<span id="L59" class="LineNr"> 59 </span>  55/push-EBP
-<span id="L60" class="LineNr"> 60 </span>  89/copy                         3/mod/direct    5/rm32/EBP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          4/r32/ESP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy ESP to EBP</span>
-<span id="L61" class="LineNr"> 61 </span>  53/push-EBX
-<span id="L62" class="LineNr"> 62 </span>  <span class="Comment"># initialize EAX to 1 (base case)</span>
-<span id="L63" class="LineNr"> 63 </span>  b8/copy                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># copy to EAX</span>
-<span id="L64" class="LineNr"> 64 </span>  <span class="Comment"># if (n &lt;= 1) jump exit</span>
-<span id="L65" class="LineNr"> 65 </span>  81          7/subop/compare     1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          8/disp8         1/imm32           <span class="Comment"># compare *(EBP+8)</span>
-<span id="L66" class="LineNr"> 66 </span>  7e/jump-if-&lt;=  $factorial:exit/disp8
-<span id="L67" class="LineNr"> 67 </span>  <span class="Comment"># EBX: n-1</span>
-<span id="L68" class="LineNr"> 68 </span>  8b/copy                         1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none              3/r32/EBX   8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># copy *(EBP+8) to EBX</span>
-<span id="L69" class="LineNr"> 69 </span>  81          5/subop/subtract    3/mod/direct    3/rm32/EBX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># subtract from EBX</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Comment"># EAX = factorial(n-1)</span>
-<span id="L71" class="LineNr"> 71 </span>    <span class="Comment"># push args</span>
-<span id="L72" class="LineNr"> 72 </span>  53/push-EBX
-<span id="L73" class="LineNr"> 73 </span>    <span class="Comment"># call</span>
-<span id="L74" class="LineNr"> 74 </span>  e8/call                        <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          factorial/disp32
-<span id="L75" class="LineNr"> 75 </span>    <span class="Comment"># discard arg</span>
-<span id="L76" class="LineNr"> 76 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L77" class="LineNr"> 77 </span>  <span class="Comment"># return n * factorial(n-1)</span>
-<span id="L78" class="LineNr"> 78 </span>  f7          4/subop/multiply    1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none                          8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># multiply *(EBP+8) into EAX</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Comment"># TODO: check for overflow</span>
-<span id="L80" class="LineNr"> 80 </span>$factorial:exit:
-<span id="L81" class="LineNr"> 81 </span>  <span class="Comment"># epilog</span>
-<span id="L82" class="LineNr"> 82 </span>  5b/pop-to-EBX
-<span id="L83" class="LineNr"> 83 </span>  89/copy                         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          5/r32/EBP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy EBP to ESP</span>
-<span id="L84" class="LineNr"> 84 </span>  5d/pop-to-EBP
-<span id="L85" class="LineNr"> 85 </span>  c3/return
-<span id="L86" class="LineNr"> 86 </span>
-<span id="L87" class="LineNr"> 87 </span>test_factorial:
-<span id="L88" class="LineNr"> 88 </span>  <span class="Comment"># factorial(5)</span>
-<span id="L89" class="LineNr"> 89 </span>    <span class="Comment"># push arg</span>
-<span id="L90" class="LineNr"> 90 </span>  68/push  5/imm32
-<span id="L91" class="LineNr"> 91 </span>    <span class="Comment"># call</span>
-<span id="L92" class="LineNr"> 92 </span>  e8/call  factorial/disp32
-<span id="L93" class="LineNr"> 93 </span>    <span class="Comment"># discard arg</span>
-<span id="L94" class="LineNr"> 94 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="Comment"># check_ints_equal(EAX, 120, failure message)</span>
-<span id="L96" class="LineNr"> 96 </span>    <span class="Comment"># push args</span>
-<span id="L97" class="LineNr"> 97 </span>  68/push  &quot;F - test_factorial&quot;/imm32
-<span id="L98" class="LineNr"> 98 </span>  68/push  0x78/imm32/expected-120
-<span id="L99" class="LineNr"> 99 </span>  50/push-EAX
-<span id="L100" class="LineNr">100 </span>    <span class="Comment"># call</span>
-<span id="L101" class="LineNr">101 </span>  e8/call  check_ints_equal/disp32
-<span id="L102" class="LineNr">102 </span>    <span class="Comment"># discard args</span>
-<span id="L103" class="LineNr">103 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              0xc/imm32         <span class="Comment"># add to ESP</span>
-<span id="L104" class="LineNr">104 </span>  <span class="Comment"># end</span>
-<span id="L105" class="LineNr">105 </span>  c3/return
-<span id="L106" class="LineNr">106 </span>
-<span id="L107" class="LineNr">107 </span><span class="Comment"># vim&#0058;ft=subx:nowrap:so=0</span>
+<span id="L38" class="LineNr"> 38 </span>  75/jump-if-not-equal  $run-main/disp8
+<span id="L39" class="LineNr"> 39 </span>  <span class="Comment"># then return run-tests()</span>
+<span id="L40" class="LineNr"> 40 </span>  e8/call  run-tests/disp32
+<span id="L41" class="LineNr"> 41 </span>  8b/copy                         0/mod/indirect  5/rm32/.disp32           <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          0/r32/EAX   Num-test-failures/disp32          <span class="Comment"># copy *Num-test-failures to EAX</span>
+<span id="L42" class="LineNr"> 42 </span>  eb/jump  $main:end/disp8  <span class="Comment"># where EAX will get copied to EBX</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Comment"># else EAX = factorial(5)</span>
+<span id="L44" class="LineNr"> 44 </span>$run-main:
+<span id="L45" class="LineNr"> 45 </span>    <span class="Comment"># push arg</span>
+<span id="L46" class="LineNr"> 46 </span>  68/push  5/imm32
+<span id="L47" class="LineNr"> 47 </span>    <span class="Comment"># call</span>
+<span id="L48" class="LineNr"> 48 </span>  e8/call  factorial/disp32
+<span id="L49" class="LineNr"> 49 </span>    <span class="Comment"># discard arg</span>
+<span id="L50" class="LineNr"> 50 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
+<span id="L51" class="LineNr"> 51 </span>$main:end:
+<span id="L52" class="LineNr"> 52 </span>  <span class="Comment"># exit(EAX)</span>
+<span id="L53" class="LineNr"> 53 </span>  89/copy                         3/mod/direct    3/rm32/EBX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          0/r32/EAX  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy EAX to EBX</span>
+<span id="L54" class="LineNr"> 54 </span>  b8/copy-to-EAX  1/imm32
+<span id="L55" class="LineNr"> 55 </span>  cd/syscall  0x80/imm8
+<span id="L56" class="LineNr"> 56 </span>
+<span id="L57" class="LineNr"> 57 </span><span class="Comment"># factorial(n)</span>
+<span id="L58" class="LineNr"> 58 </span>factorial:
+<span id="L59" class="LineNr"> 59 </span>  <span class="Comment"># prolog</span>
+<span id="L60" class="LineNr"> 60 </span>  55/push-EBP
+<span id="L61" class="LineNr"> 61 </span>  89/copy                         3/mod/direct    5/rm32/EBP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          4/r32/ESP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy ESP to EBP</span>
+<span id="L62" class="LineNr"> 62 </span>  53/push-EBX
+<span id="L63" class="LineNr"> 63 </span>  <span class="Comment"># initialize EAX to 1 (base case)</span>
+<span id="L64" class="LineNr"> 64 </span>  b8/copy-to-EAX  1/imm32
+<span id="L65" class="LineNr"> 65 </span>  <span class="Comment"># if (n &lt;= 1) jump exit</span>
+<span id="L66" class="LineNr"> 66 </span>  81          7/subop/compare     1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>          8/disp8         1/imm32           <span class="Comment"># compare *(EBP+8)</span>
+<span id="L67" class="LineNr"> 67 </span>  7e/jump-if-&lt;=  $factorial:end/disp8
+<span id="L68" class="LineNr"> 68 </span>  <span class="Comment"># EBX = n-1</span>
+<span id="L69" class="LineNr"> 69 </span>  8b/copy                         1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none              3/r32/EBX   8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># copy *(EBP+8) to EBX</span>
+<span id="L70" class="LineNr"> 70 </span>  81          5/subop/subtract    3/mod/direct    3/rm32/EBX   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              1/imm32           <span class="Comment"># subtract from EBX</span>
+<span id="L71" class="LineNr"> 71 </span>  <span class="Comment"># EAX = factorial(n-1)</span>
+<span id="L72" class="LineNr"> 72 </span>    <span class="Comment"># push args</span>
+<span id="L73" class="LineNr"> 73 </span>  53/push-EBX
+<span id="L74" class="LineNr"> 74 </span>    <span class="Comment"># call</span>
+<span id="L75" class="LineNr"> 75 </span>  e8/call  factorial/disp32
+<span id="L76" class="LineNr"> 76 </span>    <span class="Comment"># discard arg</span>
+<span id="L77" class="LineNr"> 77 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
+<span id="L78" class="LineNr"> 78 </span>  <span class="Comment"># return n * factorial(n-1)</span>
+<span id="L79" class="LineNr"> 79 </span>  f7          4/subop/multiply    1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none                          8/disp8        <span class="Delimiter"> . </span>                <span class="Comment"># multiply *(EBP+8) into EAX</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Comment"># TODO: check for overflow</span>
+<span id="L81" class="LineNr"> 81 </span>$factorial:end:
+<span id="L82" class="LineNr"> 82 </span>  <span class="Comment"># epilog</span>
+<span id="L83" class="LineNr"> 83 </span>  5b/pop-to-EBX
+<span id="L84" class="LineNr"> 84 </span>  89/copy                         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>          5/r32/EBP  <span class="Delimiter"> . </span>             <span class="Delimiter"> . </span>                <span class="Comment"># copy EBP to ESP</span>
+<span id="L85" class="LineNr"> 85 </span>  5d/pop-to-EBP
+<span id="L86" class="LineNr"> 86 </span>  c3/return
+<span id="L87" class="LineNr"> 87 </span>
+<span id="L88" class="LineNr"> 88 </span>test-factorial:
+<span id="L89" class="LineNr"> 89 </span>  <span class="Comment"># factorial(5)</span>
+<span id="L90" class="LineNr"> 90 </span>    <span class="Comment"># push arg</span>
+<span id="L91" class="LineNr"> 91 </span>  68/push  5/imm32
+<span id="L92" class="LineNr"> 92 </span>    <span class="Comment"># call</span>
+<span id="L93" class="LineNr"> 93 </span>  e8/call  factorial/disp32
+<span id="L94" class="LineNr"> 94 </span>    <span class="Comment"># discard arg</span>
+<span id="L95" class="LineNr"> 95 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              4/imm32           <span class="Comment"># add to ESP</span>
+<span id="L96" class="LineNr"> 96 </span>  <span class="Comment"># check-ints-equal(EAX, 120, failure message)</span>
+<span id="L97" class="LineNr"> 97 </span>    <span class="Comment"># push args</span>
+<span id="L98" class="LineNr"> 98 </span>  68/push  &quot;F - test-factorial&quot;/imm32
+<span id="L99" class="LineNr"> 99 </span>  68/push  0x78/imm32/expected-120
+<span id="L100" class="LineNr">100 </span>  50/push-EAX
+<span id="L101" class="LineNr">101 </span>    <span class="Comment"># call</span>
+<span id="L102" class="LineNr">102 </span>  e8/call  check-ints-equal/disp32
+<span id="L103" class="LineNr">103 </span>    <span class="Comment"># discard args</span>
+<span id="L104" class="LineNr">104 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>           <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>         <span class="Delimiter"> . </span>              0xc/imm32         <span class="Comment"># add to ESP</span>
+<span id="L105" class="LineNr">105 </span>  <span class="Comment"># end</span>
+<span id="L106" class="LineNr">106 </span>  c3/return
+<span id="L107" class="LineNr">107 </span>
+<span id="L108" class="LineNr">108 </span><span class="Comment"># vim&#0058;nowrap:textwidth=0</span>
 </pre>
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