blob: 0ec3069ad9bd976928b011ea5d2339ae2ab99da3 (
plain) (
tree)
|
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - subx/examples/ex2.subx</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
a { color:#eeeeee; text-decoration: none; }
a:hover { text-decoration: underline; }
* { font-size: 12pt; font-size: 1em; }
.LineNr { color: #444444; }
.Comment { color: #9090ff; }
.Comment a { color:#0000ee; text-decoration:underline; }
.SalientComment { color: #00ffff; }
-->
</style>
<script type='text/javascript'>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="SalientComment">## add 1 and 1, and return the result in the exit code</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment"># To run:</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment"># $ subx translate ex2.subx ex2</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment"># $ subx run ex2</span>
<span id="L6" class="LineNr"> 6 </span><span class="Comment"># Expected result:</span>
<span id="L7" class="LineNr"> 7 </span><span class="Comment"># $ echo $?</span>
<span id="L8" class="LineNr"> 8 </span><span class="Comment"># 2</span>
<span id="L9" class="LineNr"> 9 </span>
<span id="L10" class="LineNr">10 </span>== <a href='031check_operands.cc.html#L14'>code</a>
<span id="L11" class="LineNr">11 </span><span class="Comment"># instruction effective address operand displacement immediate</span>
<span id="L12" class="LineNr">12 </span><span class="Comment"># op subop mod rm32 base index scale r32</span>
<span id="L13" class="LineNr">13 </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="L14" class="LineNr">14 </span> bb/copy 1/imm32 <span class="Comment"># copy 1 to EBX</span>
<span id="L15" class="LineNr">15 </span> 81 0/subop/add 3/mod/direct 3/rm32/EBX 1/imm32 <span class="Comment"># add 1 to EBX</span>
<span id="L16" class="LineNr">16 </span> <span class="Comment"># exit(EBX)</span>
<span id="L17" class="LineNr">17 </span> b8/copy 1/imm32 <span class="Comment"># copy 1 to EAX</span>
<span id="L18" class="LineNr">18 </span> cd/syscall 0x80/imm8 <span class="Comment"># int 80h</span>
<span id="L19" class="LineNr">19 </span>
<span id="L20" class="LineNr">20 </span><span class="Comment"># vim:ft=subx</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|