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Diffstat (limited to 'html/subx/011run.cc.html')
-rw-r--r--html/subx/011run.cc.html114
1 files changed, 57 insertions, 57 deletions
diff --git a/html/subx/011run.cc.html b/html/subx/011run.cc.html
index f1137805..c06a3b32 100644
--- a/html/subx/011run.cc.html
+++ b/html/subx/011run.cc.html
@@ -15,18 +15,18 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color
 a { color:#eeeeee; text-decoration: none; }
 a:hover { text-decoration: underline; }
 * { font-size: 12pt; font-size: 1em; }
+.cSpecial { color: #008000; }
 .traceContains { color: #008000; }
-.PreProc { color: #800080; }
 .LineNr { color: #444444; }
 .Constant { color: #00a0a0; }
-.Special { color: #c00000; }
-.Delimiter { color: #800080; }
 .SalientComment { color: #00ffff; }
+.Delimiter { color: #800080; }
+.Special { color: #c00000; }
 .Identifier { color: #c0a020; }
 .Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; }
 .Comment { color: #9090ff; }
 .Comment a { color:#0000ee; text-decoration:underline; }
-.cSpecial { color: #008000; }
+.PreProc { color: #800080; }
 -->
 </style>
 
@@ -67,39 +67,39 @@ if ('onhashchange' in window) {
 <span id="L4" class="LineNr">  4 </span><span class="Comment">//: the VM. That comes later.)</span>
 <span id="L5" class="LineNr">  5 </span>
 <span id="L6" class="LineNr">  6 </span><span class="Delimiter">:(before &quot;End <a href='001help.cc.html#L53'>Help</a> Texts&quot;)</span>
-<span id="L7" class="LineNr">  7 </span><a href='001help.cc.html#L253'>put_new</a><span class="Delimiter">(</span><a href='001help.cc.html#L53'>Help</a><span class="Delimiter">,</span> <span class="Constant">&quot;syntax&quot;</span><span class="Delimiter">,</span>
-<span id="L8" class="LineNr">  8 </span>  <span class="Constant">&quot;SubX programs consist of <a href='011run.cc.html#L100'>segments</a>, each segment in turn consisting of lines.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L9" class="LineNr">  9 </span>  <span class="Constant">&quot;Line-endings are significant; each <a href='011run.cc.html#L117'>line</a> should contain a single</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L10" class="LineNr"> 10 </span>  <span class="Constant">&quot;instruction, macro or directive.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L11" class="LineNr"> 11 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L12" class="LineNr"> 12 </span>  <span class="Constant">&quot;Comments start with the '#' character. It should be at the start of a <a href='011run.cc.html#L123'>word</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">&quot;(start of <a href='011run.cc.html#L117'>line</a>, or following a space).</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L14" class="LineNr"> 14 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L15" class="LineNr"> 15 </span>  <span class="Constant">&quot;Each segment starts with a header <a href='011run.cc.html#L117'>line</a>: a '==' delimiter followed by the name of</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L16" class="LineNr"> 16 </span>  <span class="Constant">&quot;the segment.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L17" class="LineNr"> 17 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L18" class="LineNr"> 18 </span>  <span class="Constant">&quot;Currently SubX assumes the first segment encountered contains executable <a href='031check_operands.cc.html#L11'>code</a>, and</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L19" class="LineNr"> 19 </span>  <span class="Constant">&quot;the second contains global variables. By convention we call them 'code' and 'data'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L20" class="LineNr"> 20 </span>  <span class="Constant">&quot;respectively.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L21" class="LineNr"> 21 </span>  <span class="Constant">&quot;The first instruction executed in the resulting binary is always the first</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L22" class="LineNr"> 22 </span>  <span class="Constant">&quot;instruction of the first segment.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L23" class="LineNr"> 23 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L24" class="LineNr"> 24 </span>  <span class="Constant">&quot;Segments with the same name get merged together. This rule helps keep functions and</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L25" class="LineNr"> 25 </span>  <span class="Constant">&quot;their data close together in .subx files.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L26" class="LineNr"> 26 </span>  <span class="Constant">&quot;Later <a href='011run.cc.html#L100'>segments</a> with the same name get their <a href='003trace.cc.html#L74'>contents</a> *prepended* to earlier ones.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L27" class="LineNr"> 27 </span>  <span class="Constant">&quot;This rule helps each .subx file to <a href='001help.cc.html#L243'>put</a> forth a different entrypoint for the binary,</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L28" class="LineNr"> 28 </span>  <span class="Constant">&quot;overriding previously loaded files.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L29" class="LineNr"> 29 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L30" class="LineNr"> 30 </span>  <span class="Constant">&quot;Lines consist of a series of words. Words can contain arbitrary metadata</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L31" class="LineNr"> 31 </span>  <span class="Constant">&quot;after a '/', but they can never contain whitespace. Metadata has no effect</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L32" class="LineNr"> 32 </span>  <span class="Constant">&quot;at runtime, but can be handy when rewriting macros.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L33" class="LineNr"> 33 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Constant">&quot;Check out the examples in the examples/ directory.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L35" class="LineNr"> 35 </span>  <span class="Constant">&quot;Programming in machine <a href='031check_operands.cc.html#L11'>code</a> can be annoying, but let's see if we can make</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L36" class="LineNr"> 36 </span>  <span class="Constant">&quot;it nice enough to be able to write a compiler in it.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L7" class="LineNr">  7 </span><a href='001help.cc.html#L253'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='001help.cc.html#L53'>Help</a></span><span class="Delimiter">,</span> <span class="Constant">&quot;syntax&quot;</span><span class="Delimiter">,</span>
+<span id="L8" class="LineNr">  8 </span>  <span class="Constant">&quot;SubX programs consist of <a href='011run.cc.html#L100'>segments</a>, each segment in turn consisting of lines.\n&quot;</span>
+<span id="L9" class="LineNr">  9 </span>  <span class="Constant">&quot;Line-endings are significant; each <a href='011run.cc.html#L117'>line</a> should contain a single\n&quot;</span>
+<span id="L10" class="LineNr"> 10 </span>  <span class="Constant">&quot;instruction, macro or directive.\n&quot;</span>
+<span id="L11" class="LineNr"> 11 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L12" class="LineNr"> 12 </span>  <span class="Constant">&quot;Comments start with the '#' character. It should be at the start of a word\n&quot;</span>
+<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">&quot;(start of <a href='011run.cc.html#L117'>line</a>, or following a space).\n&quot;</span>
+<span id="L14" class="LineNr"> 14 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L15" class="LineNr"> 15 </span>  <span class="Constant">&quot;Each segment starts with a header <a href='011run.cc.html#L117'>line</a>: a '==' delimiter followed by the name of\n&quot;</span>
+<span id="L16" class="LineNr"> 16 </span>  <span class="Constant">&quot;the segment.\n&quot;</span>
+<span id="L17" class="LineNr"> 17 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L18" class="LineNr"> 18 </span>  <span class="Constant">&quot;Currently SubX assumes the first segment encountered contains executable <a href='031check_operands.cc.html#L11'>code</a>, and\n&quot;</span>
+<span id="L19" class="LineNr"> 19 </span>  <span class="Constant">&quot;the second contains global variables. By convention we call them 'code' and 'data'\n&quot;</span>
+<span id="L20" class="LineNr"> 20 </span>  <span class="Constant">&quot;respectively.\n&quot;</span>
+<span id="L21" class="LineNr"> 21 </span>  <span class="Constant">&quot;The first instruction executed in the resulting binary is always the first\n&quot;</span>
+<span id="L22" class="LineNr"> 22 </span>  <span class="Constant">&quot;instruction of the first segment.\n&quot;</span>
+<span id="L23" class="LineNr"> 23 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L24" class="LineNr"> 24 </span>  <span class="Constant">&quot;Segments with the same name get merged together. This rule helps keep functions and\n&quot;</span>
+<span id="L25" class="LineNr"> 25 </span>  <span class="Constant">&quot;their data close together in .subx files.\n&quot;</span>
+<span id="L26" class="LineNr"> 26 </span>  <span class="Constant">&quot;Later <a href='011run.cc.html#L100'>segments</a> with the same name get their <a href='003trace.cc.html#L74'>contents</a> *prepended* to earlier ones.\n&quot;</span>
+<span id="L27" class="LineNr"> 27 </span>  <span class="Constant">&quot;This rule helps each .subx file to <a href='001help.cc.html#L243'>put</a> forth a different entrypoint for the binary,\n&quot;</span>
+<span id="L28" class="LineNr"> 28 </span>  <span class="Constant">&quot;overriding previously loaded files.\n&quot;</span>
+<span id="L29" class="LineNr"> 29 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L30" class="LineNr"> 30 </span>  <span class="Constant">&quot;Lines consist of a series of words. Words can contain arbitrary metadata\n&quot;</span>
+<span id="L31" class="LineNr"> 31 </span>  <span class="Constant">&quot;after a '/', but they can never contain whitespace. Metadata has no effect\n&quot;</span>
+<span id="L32" class="LineNr"> 32 </span>  <span class="Constant">&quot;at runtime, but can be handy when rewriting macros.\n&quot;</span>
+<span id="L33" class="LineNr"> 33 </span>  <span class="Constant">&quot;\n&quot;</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="Constant">&quot;Check out the examples in the examples/ directory.\n&quot;</span>
+<span id="L35" class="LineNr"> 35 </span>  <span class="Constant">&quot;Programming in machine <a href='031check_operands.cc.html#L11'>code</a> can be annoying, but let's see if we can make\n&quot;</span>
+<span id="L36" class="LineNr"> 36 </span>  <span class="Constant">&quot;it nice enough to be able to write a compiler in it.\n&quot;</span>
 <span id="L37" class="LineNr"> 37 </span><span class="Delimiter">);</span>
 <span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before &quot;End <a href='001help.cc.html#L53'>Help</a> Contents&quot;)</span>
-<span id="L39" class="LineNr"> 39 </span>cerr &lt;&lt; <span class="Constant">&quot;  syntax</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L39" class="LineNr"> 39 </span>cerr &lt;&lt; <span class="Constant">&quot;  syntax\n&quot;</span><span class="Delimiter">;</span>
 <span id="L40" class="LineNr"> 40 </span>
 <span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(scenario add_imm32_to_eax)</span>
 <span id="L42" class="LineNr"> 42 </span><span class="Comment"># At the lowest level, SubX programs are a series of hex bytes, each</span>
@@ -152,8 +152,8 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr"> 89 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L224'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L90" class="LineNr"> 90 </span>  <a href='011run.cc.html#L240'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L224'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> &lt; <a href='010---vm.cc.html#L185'>End_of_program</a><span class="Delimiter">)</span>
-<span id="L93" class="LineNr"> 93 </span>    <a href='010---vm.cc.html#L287'>run_one_instruction</a><span class="Delimiter">();</span>
+<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> &lt; <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">)</span>
+<span id="L93" class="LineNr"> 93 </span>    <a href='010---vm.cc.html#L296'>run_one_instruction</a><span class="Delimiter">();</span>
 <span id="L94" class="LineNr"> 94 </span><span class="Delimiter">}</span>
 <span id="L95" class="LineNr"> 95 </span>
 <span id="L96" class="LineNr"> 96 </span><span class="SalientComment">//:: core data structures</span>
@@ -218,7 +218,7 @@ if ('onhashchange' in window) {
 <span id="L155" class="LineNr">155 </span>          s<span class="Delimiter">.</span>start = <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>segment_title<span class="Delimiter">);</span>
 <span id="L156" class="LineNr">156 </span>          <a href='011run.cc.html#L201'>sanity_check_program_segment</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> s<span class="Delimiter">.</span>start<span class="Delimiter">);</span>
 <span id="L157" class="LineNr">157 </span>          <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L224'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L158" class="LineNr">158 </span>          <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new segment from 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L404'>HEXWORD</a> &lt;&lt; s<span class="Delimiter">.</span>start &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L158" class="LineNr">158 </span>          <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new segment from 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L413'>HEXWORD</a> &lt;&lt; s<span class="Delimiter">.</span>start &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L159" class="LineNr">159 </span>          out<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
 <span id="L160" class="LineNr">160 </span>        <span class="Delimiter">}</span>
 <span id="L161" class="LineNr">161 </span>        <span class="Comment">// End Segment Parsing Special-cases(segment_title)</span>
@@ -243,7 +243,7 @@ if ('onhashchange' in window) {
 <span id="L180" class="LineNr">180 </span><span class="Normal">void</span> <a href='011run.cc.html#L180'>flush</a><span class="Delimiter">(</span>program&amp; p<span class="Delimiter">,</span> vector&lt;line&gt;&amp; <a href='011run.cc.html#L109'>lines</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L181" class="LineNr">181 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L182" class="LineNr">182 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L183" class="LineNr">183 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;input does not start with a '==' section header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L183" class="LineNr">183 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;input does not start with a '==' section header\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L184" class="LineNr">184 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L185" class="LineNr">185 </span>  <span class="Delimiter">}</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Comment">// End flush(p, lines) Special-cases</span>
@@ -289,12 +289,12 @@ if ('onhashchange' in window) {
 <span id="L226" class="LineNr">226 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
 <span id="L227" class="LineNr">227 </span><span class="Normal">typedef</span> <span class="Normal">void</span> <span class="Delimiter">(</span>*transform_fn<span class="Delimiter">)(</span>program&amp;<span class="Delimiter">);</span>
 <span id="L228" class="LineNr">228 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L229" class="LineNr">229 </span>vector&lt;transform_fn&gt; <a href='011run.cc.html#L229'>Transform</a><span class="Delimiter">;</span>
+<span id="L229" class="LineNr">229 </span>vector&lt;transform_fn&gt; <span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">;</span>
 <span id="L230" class="LineNr">230 </span>
 <span id="L231" class="LineNr">231 </span><span class="Normal">void</span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>program&amp; p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L232" class="LineNr">232 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;begin&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L233" class="LineNr">233 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span><a href='011run.cc.html#L229'>Transform</a><span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span>
-<span id="L234" class="LineNr">234 </span>    <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>p<span class="Delimiter">);</span>
+<span id="L233" class="LineNr">233 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span>
+<span id="L234" class="LineNr">234 </span>    <span class="Delimiter">(</span>*<span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>p<span class="Delimiter">);</span>
 <span id="L235" class="LineNr">235 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;done&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L236" class="LineNr">236 </span><span class="Delimiter">}</span>
 <span id="L237" class="LineNr">237 </span>
@@ -303,7 +303,7 @@ if ('onhashchange' in window) {
 <span id="L240" class="LineNr">240 </span><span class="Normal">void</span> <a href='011run.cc.html#L240'>load</a><span class="Delimiter">(</span><span class="Normal">const</span> program&amp; p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L241" class="LineNr">241 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;begin&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L242" class="LineNr">242 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L243" class="LineNr">243 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;no <a href='031check_operands.cc.html#L11'>code</a> to <a href='011run.cc.html#L83'>run</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L243" class="LineNr">243 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;no <a href='031check_operands.cc.html#L11'>code</a> to run\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L244" class="LineNr">244 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L245" class="LineNr">245 </span>  <span class="Delimiter">}</span>
 <span id="L246" class="LineNr">246 </span>  <span class="Comment">// Ensure segments are disjoint.</span>
@@ -312,8 +312,8 @@ if ('onhashchange' in window) {
 <span id="L249" class="LineNr">249 </span>    <span class="Normal">const</span> segment&amp; seg = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L250" class="LineNr">250 </span>    <span class="Normal">uint32_t</span> addr = seg<span class="Delimiter">.</span>start<span class="Delimiter">;</span>
 <span id="L251" class="LineNr">251 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!already_allocated<span class="Delimiter">(</span>addr<span class="Delimiter">))</span>
-<span id="L252" class="LineNr">252 </span>      <a href='010---vm.cc.html#L171'>Mem</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>vma<span class="Delimiter">(</span>seg<span class="Delimiter">.</span>start<span class="Delimiter">));</span>
-<span id="L253" class="LineNr">253 </span>    <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;loading segment &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; from &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L404'>HEXWORD</a> &lt;&lt; addr &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L252" class="LineNr">252 </span>      <span class="Special"><a href='010---vm.cc.html#L180'>Mem</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>vma<span class="Delimiter">(</span>seg<span class="Delimiter">.</span>start<span class="Delimiter">));</span>
+<span id="L253" class="LineNr">253 </span>    <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;loading segment &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; from &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L413'>HEXWORD</a> &lt;&lt; addr &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L254" class="LineNr">254 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L255" class="LineNr">255 </span>      <span class="Normal">const</span> line&amp; l = seg<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
 <span id="L256" class="LineNr">256 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> k = <span class="Constant">0</span><span class="Delimiter">;</span>  k &lt; <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span>  ++k<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -321,13 +321,13 @@ if ('onhashchange' in window) {
 <span id="L258" class="LineNr">258 </span>        <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
 <span id="L259" class="LineNr">259 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L224'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L260" class="LineNr">260 </span>        assert<span class="Delimiter">(</span>overlap<span class="Delimiter">.</span>find<span class="Delimiter">(</span>addr<span class="Delimiter">)</span> == overlap<span class="Delimiter">.</span>end<span class="Delimiter">());</span>
-<span id="L261" class="LineNr">261 </span>        <a href='010---vm.cc.html#L254'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
+<span id="L261" class="LineNr">261 </span>        <a href='010---vm.cc.html#L263'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
 <span id="L262" class="LineNr">262 </span>        overlap<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>addr<span class="Delimiter">);</span>
-<span id="L263" class="LineNr">263 </span>        <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L404'>HEXWORD</a> &lt;&lt; addr &lt;&lt; <span class="Constant">&quot; -&gt; &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L403'>HEXBYTE</a> &lt;&lt; <a href='010---vm.cc.html#L406'>NUM</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L193'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L263" class="LineNr">263 </span>        <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L413'>HEXWORD</a> &lt;&lt; addr &lt;&lt; <span class="Constant">&quot; -&gt; &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L412'>HEXBYTE</a> &lt;&lt; <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L202'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L264" class="LineNr">264 </span>        ++addr<span class="Delimiter">;</span>
 <span id="L265" class="LineNr">265 </span>      <span class="Delimiter">}</span>
 <span id="L266" class="LineNr">266 </span>    <span class="Delimiter">}</span>
-<span id="L267" class="LineNr">267 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <a href='010---vm.cc.html#L185'>End_of_program</a> = addr<span class="Delimiter">;</span>
+<span id="L267" class="LineNr">267 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span> = addr<span class="Delimiter">;</span>
 <span id="L268" class="LineNr">268 </span>  <span class="Delimiter">}</span>
 <span id="L269" class="LineNr">269 </span>  <a href='010---vm.cc.html#L29'>EIP</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>start<span class="Delimiter">;</span>
 <span id="L270" class="LineNr">270 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;done&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
@@ -338,11 +338,11 @@ if ('onhashchange' in window) {
 <span id="L275" class="LineNr">275 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L276" class="LineNr">276 </span>  in &gt;&gt; std::hex &gt;&gt; result<span class="Delimiter">;</span>
 <span id="L277" class="LineNr">277 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L278" class="LineNr">278 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L278" class="LineNr">278 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L279" class="LineNr">279 </span>    <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Delimiter">}</span>
 <span id="L281" class="LineNr">281 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result &gt; <span class="Constant">0xff</span> || result &lt; -<span class="Constant">0x8f</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L282" class="LineNr">282 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L282" class="LineNr">282 </span>    <a href='003trace.cc.html#L210'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L283" class="LineNr">283 </span>    <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
 <span id="L284" class="LineNr">284 </span>  <span class="Delimiter">}</span>
 <span id="L285" class="LineNr">285 </span>  <span class="Identifier">return</span> <span class="Normal">static_cast</span>&lt;<span class="Normal">uint8_t</span>&gt;<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -390,24 +390,24 @@ if ('onhashchange' in window) {
 <span id="L327" class="LineNr">327 </span><span class="SalientComment">//:: run</span>
 <span id="L328" class="LineNr">328 </span>
 <span id="L329" class="LineNr">329 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
-<span id="L330" class="LineNr">330 </span><a href='001help.cc.html#L253'>put_new</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L369'>Name</a><span class="Delimiter">,</span> <span class="Constant">&quot;05&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;add imm32 to <a href='010---vm.cc.html#L13'>EAX</a> (add)&quot;</span><span class="Delimiter">);</span>
+<span id="L330" class="LineNr">330 </span><a href='001help.cc.html#L253'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L378'>Name</a></span><span class="Delimiter">,</span> <span class="Constant">&quot;05&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;add imm32 to <a href='010---vm.cc.html#L13'>EAX</a> (add)&quot;</span><span class="Delimiter">);</span>
 <span id="L331" class="LineNr">331 </span>
 <span id="L332" class="LineNr">332 </span><span class="Comment">//: our first opcode</span>
 <span id="L333" class="LineNr">333 </span><span class="Delimiter">:(before &quot;End Single-Byte Opcodes&quot;)</span>
 <span id="L334" class="LineNr">334 </span><span class="Normal">case</span> <span class="Constant">0x05</span>: <span class="Delimiter">{</span>  <span class="Comment">// add imm32 to EAX</span>
 <span id="L335" class="LineNr">335 </span>  <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span>
-<span id="L336" class="LineNr">336 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;add imm32 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L404'>HEXWORD</a> &lt;&lt; arg2 &lt;&lt; <span class="Constant">&quot; to <a href='010---vm.cc.html#L23'>reg</a> EAX&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L337" class="LineNr">337 </span>  <a href='010---vm.cc.html#L91'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> Reg[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span>
+<span id="L336" class="LineNr">336 </span>  <a href='003trace.cc.html#L203'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;add imm32 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L413'>HEXWORD</a> &lt;&lt; arg2 &lt;&lt; <span class="Constant">&quot; to <a href='010---vm.cc.html#L23'>reg</a> EAX&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L337" class="LineNr">337 </span>  <a href='010---vm.cc.html#L91'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span>
 <span id="L338" class="LineNr">338 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span>
 <span id="L340" class="LineNr">340 </span>
 <span id="L341" class="LineNr">341 </span><span class="Delimiter">:(code)</span>
 <span id="L342" class="LineNr">342 </span><span class="Comment">// read a 32-bit int in little-endian order from the instruction stream</span>
 <span id="L343" class="LineNr">343 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L344" class="LineNr">344 </span>  <span class="Normal">int32_t</span> result = <a href='010---vm.cc.html#L355'>next</a><span class="Delimiter">();</span>
-<span id="L345" class="LineNr">345 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L355'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">8</span><span class="Delimiter">);</span>
-<span id="L346" class="LineNr">346 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L355'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">16</span><span class="Delimiter">);</span>
-<span id="L347" class="LineNr">347 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L355'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">24</span><span class="Delimiter">);</span>
+<span id="L344" class="LineNr">344 </span>  <span class="Normal">int32_t</span> result = <a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">();</span>
+<span id="L345" class="LineNr">345 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">8</span><span class="Delimiter">);</span>
+<span id="L346" class="LineNr">346 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">16</span><span class="Delimiter">);</span>
+<span id="L347" class="LineNr">347 </span>  result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span>&lt;&lt;<span class="Constant">24</span><span class="Delimiter">);</span>
 <span id="L348" class="LineNr">348 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L349" class="LineNr">349 </span><span class="Delimiter">}</span>
 <span id="L350" class="LineNr">350 </span>