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@@ -52,7 +57,7 @@ if ('onhashchange' in window) {
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 <pre id='vimCodeElement'>
-<span id="L1" class="LineNr"> 1 </span><span class="subxComment">## Example reading commandline arguments: compute length of first arg.</span>
+<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Example reading commandline arguments: compute length of first arg.</span>
 <span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span>
 <span id="L3" class="LineNr"> 3 </span><span class="subxComment"># To run (from the subx directory):</span>
 <span id="L4" class="LineNr"> 4 </span><span class="subxComment">#   $ subx translate examples/ex8.subx -o examples/ex8</span>
@@ -69,47 +74,47 @@ if ('onhashchange' in window) {
 <span id="L15" class="LineNr">15 </span><span class="subxComment"># Locals start from ESP-4 downwards.</span>
 <span id="L16" class="LineNr">16 </span>
 <span id="L17" class="LineNr">17 </span>== code
-<span id="L18" class="LineNr">18 </span><span class="subxComment"># instruction                     effective address                                                   operand     displacement    immediate</span>
-<span id="L19" class="LineNr">19 </span><span class="subxComment"># op          subop               mod             rm32          base        index         scale       r32</span>
-<span id="L20" class="LineNr">20 </span><span class="subxComment"># 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="L18" class="LineNr">18 </span><span class="subxComment">#   instruction                     effective address                                                   register    displacement    immediate</span>
+<span id="L19" class="LineNr">19 </span><span class="subxS1Comment"># . op          subop               mod             rm32          base        index         scale       r32</span>
+<span id="L20" class="LineNr">20 </span><span class="subxS1Comment"># . 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="L21" class="LineNr">21 </span>
-<span id="L22" class="LineNr">22 </span>  <span class="subxComment"># prolog</span>
-<span id="L23" class="LineNr">23 </span>  89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L24" class="LineNr">24 </span>  <span class="subxComment"># call ascii-length(argv[1])</span>
-<span id="L25" class="LineNr">25 </span>    <span class="subxComment"># push args</span>
-<span id="L26" class="LineNr">26 </span>  ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0x8/disp8      <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+8)</span>
-<span id="L27" class="LineNr">27 </span>    <span class="subxComment"># call</span>
-<span id="L28" class="LineNr">28 </span>  e8/call  ascii-length/disp32
-<span id="L29" class="LineNr">29 </span>    <span class="subxComment"># discard args</span>
-<span id="L30" class="LineNr">30 </span>  81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L22" class="LineNr">22 </span>    <span class="subxS1Comment"># . prolog</span>
+<span id="L23" class="LineNr">23 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L24" class="LineNr">24 </span>    <span class="subxComment"># EAX = ascii-length(argv[1])</span>
+<span id="L25" class="LineNr">25 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L26" class="LineNr">26 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0x8/disp8      <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+8)</span>
+<span id="L27" class="LineNr">27 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L28" class="LineNr">28 </span>    e8/call  ascii-length/disp32
+<span id="L29" class="LineNr">29 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L30" class="LineNr">30 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
 <span id="L31" class="LineNr">31 </span>
-<span id="L32" class="LineNr">32 </span>  <span class="subxComment"># exit(EAX)</span>
-<span id="L33" class="LineNr">33 </span>  89/copy                         3/mod/direct    3/rm32/EBX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          0/r32/EAX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EAX to EBX</span>
-<span id="L34" class="LineNr">34 </span>  b8/copy-to-EAX  1/imm32/exit
-<span id="L35" class="LineNr">35 </span>  cd/syscall  0x80/imm8
+<span id="L32" class="LineNr">32 </span>    <span class="subxComment"># exit(EAX)</span>
+<span id="L33" class="LineNr">33 </span>    89/copy                         3/mod/direct    3/rm32/EBX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          0/r32/EAX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EAX to EBX</span>
+<span id="L34" class="LineNr">34 </span>    b8/copy-to-EAX  1/imm32/exit
+<span id="L35" class="LineNr">35 </span>    cd/syscall  0x80/imm8
 <span id="L36" class="LineNr">36 </span>
-<span id="L37" class="LineNr">37 </span>ascii-length:  <span class="subxComment"># (s)</span>
-<span id="L38" class="LineNr">38 </span>  <span class="subxComment"># initialize s (EDX)</span>
-<span id="L39" class="LineNr">39 </span>  8b/copy                         1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          2/r32/EDX   4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># copy *(ESP+4) to EDX</span>
-<span id="L40" class="LineNr">40 </span>  <span class="subxComment"># var result = 0 (EAX)</span>
-<span id="L41" class="LineNr">41 </span>  b8/copy-to-EAX  0/imm32
+<span id="L37" class="LineNr">37 </span>ascii-length:  <span class="subxComment"># s : (address array byte) -&gt; n/EAX</span>
+<span id="L38" class="LineNr">38 </span>    <span class="subxComment"># EDX = s</span>
+<span id="L39" class="LineNr">39 </span>    8b/copy                         1/mod/*+disp8   4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          2/r32/EDX   4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># copy *(ESP+4) to EDX</span>
+<span id="L40" class="LineNr">40 </span>    <span class="subxComment"># var result/EAX = 0</span>
+<span id="L41" class="LineNr">41 </span>    b8/copy-to-EAX  0/imm32
 <span id="L42" class="LineNr">42 </span>$ascii-length-loop:
-<span id="L43" class="LineNr">43 </span>  <span class="subxComment"># var c = *s (ECX)</span>
-<span id="L44" class="LineNr">44 </span>  8a/copy                         0/mod/*         2/rm32/EDX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy byte at *EDX to lower byte of ECX</span>
-<span id="L45" class="LineNr">45 </span>  <span class="subxComment"># if c == '\0' break</span>
-<span id="L46" class="LineNr">46 </span>  81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0/imm32           <span class="subxComment"># compare ECX</span>
-<span id="L47" class="LineNr">47 </span>  74/jump-if-equal  $ascii-length-ret/disp8
-<span id="L48" class="LineNr">48 </span>  <span class="subxComment"># ++s</span>
-<span id="L49" class="LineNr">49 </span>  81          0/subop/add         3/mod/direct    2/rm32/EDX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              1/imm32           <span class="subxComment"># add to EDX</span>
-<span id="L50" class="LineNr">50 </span>  <span class="subxComment"># ++result</span>
-<span id="L51" class="LineNr">51 </span>  40/inc-EAX
-<span id="L52" class="LineNr">52 </span>  <span class="subxComment"># loop</span>
-<span id="L53" class="LineNr">53 </span>  eb/jump  $ascii-length-loop/disp8
+<span id="L43" class="LineNr">43 </span>    <span class="subxComment"># var c/ECX = *s</span>
+<span id="L44" class="LineNr">44 </span>    8a/copy                         0/mod/*         2/rm32/EDX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy byte at *EDX to lower byte of ECX</span>
+<span id="L45" class="LineNr">45 </span>    <span class="subxComment"># if c == '\0' break</span>
+<span id="L46" class="LineNr">46 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0/imm32           <span class="subxComment"># compare ECX</span>
+<span id="L47" class="LineNr">47 </span>    74/jump-if-equal  $ascii-length-ret/disp8
+<span id="L48" class="LineNr">48 </span>    <span class="subxComment"># ++s</span>
+<span id="L49" class="LineNr">49 </span>    81          0/subop/add         3/mod/direct    2/rm32/EDX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              1/imm32           <span class="subxComment"># add to EDX</span>
+<span id="L50" class="LineNr">50 </span>    <span class="subxComment"># ++result</span>
+<span id="L51" class="LineNr">51 </span>    40/inc-EAX
+<span id="L52" class="LineNr">52 </span>    <span class="subxComment"># loop</span>
+<span id="L53" class="LineNr">53 </span>    eb/jump  $ascii-length-loop/disp8
 <span id="L54" class="LineNr">54 </span>$ascii-length-ret:
-<span id="L55" class="LineNr">55 </span>  <span class="subxComment"># return (result in EAX)</span>
-<span id="L56" class="LineNr">56 </span>  c3/return
+<span id="L55" class="LineNr">55 </span>    <span class="subxComment"># return EAX</span>
+<span id="L56" class="LineNr">56 </span>    c3/return
 <span id="L57" class="LineNr">57 </span>
-<span id="L58" class="LineNr">58 </span><span class="subxComment"># vim&#0058;nowrap:textwidth=0</span>
+<span id="L58" class="LineNr">58 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
 </pre>
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