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+<!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/ex4.subx</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
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+<meta name="colorscheme" content="minimal-light">
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+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/subx/examples/ex4.subx'>https://github.com/akkartik/mu/blob/master/subx/examples/ex4.subx</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Read a character from stdin, save it to a global, write it to stdout.</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/ex4.subx -o examples/ex4</span>
+<span id="L5" class="LineNr"> 5 </span><span class="subxComment">#   $ ./subx run examples/ex4</span>
+<span id="L6" class="LineNr"> 6 </span>
+<span id="L7" class="LineNr"> 7 </span>== data 0x0a000000
+<span id="L8" class="LineNr"> 8 </span>
+<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># the global variable we save to</span>
+<span id="L10" class="LineNr">10 </span><span class="SpecialChar">X</span>:
+<span id="L11" class="LineNr">11 </span>    0/imm32  <span class="subxComment"># space for read() to write to</span>
+<span id="L12" class="LineNr">12 </span>
+<span id="L13" class="LineNr">13 </span>== code 0x09000000
+<span id="L14" class="LineNr">14 </span>
+<span id="L15" class="LineNr">15 </span><span class="SpecialChar">Entry</span>:
+<span id="L16" class="LineNr">16 </span><span class="subxComment"># syscall(read, stdin, X, 1)</span>
+<span id="L17" class="LineNr">17 </span><span class="subxS1Comment"># . fd = 0 (stdin)</span>
+<span id="L18" class="LineNr">18 </span>bb/copy-to-EBX  0/imm32
+<span id="L19" class="LineNr">19 </span><span class="subxS1Comment"># . data = X (location to write result to)</span>
+<span id="L20" class="LineNr">20 </span>b9/copy-to-ECX  <span class="SpecialChar"><a href='ex4.subx.html#L10'>X</a></span>/imm32
+<span id="L21" class="LineNr">21 </span><span class="subxS1Comment"># . size = 1 character</span>
+<span id="L22" class="LineNr">22 </span>ba/copy-to-EDX  1/imm32
+<span id="L23" class="LineNr">23 </span><span class="subxS1Comment"># . syscall</span>
+<span id="L24" class="LineNr">24 </span>b8/copy-to-EAX  3/imm32/read
+<span id="L25" class="LineNr">25 </span>cd/syscall  0x80/imm8
+<span id="L26" class="LineNr">26 </span>
+<span id="L27" class="LineNr">27 </span><span class="subxComment"># syscall(write, stdout, X, 1)</span>
+<span id="L28" class="LineNr">28 </span><span class="subxS1Comment"># . fd = 1 (stdout)</span>
+<span id="L29" class="LineNr">29 </span>bb/copy-to-EBX  1/imm32
+<span id="L30" class="LineNr">30 </span><span class="subxS1Comment"># . initialize X (location to read from)</span>
+<span id="L31" class="LineNr">31 </span>b9/copy-to-ECX  <span class="SpecialChar"><a href='ex4.subx.html#L10'>X</a></span>/imm32
+<span id="L32" class="LineNr">32 </span><span class="subxS1Comment"># . size = 1 character</span>
+<span id="L33" class="LineNr">33 </span>ba/copy-to-EDX  1/imm32
+<span id="L34" class="LineNr">34 </span><span class="subxS1Comment"># . syscall</span>
+<span id="L35" class="LineNr">35 </span>b8/copy-to-EAX  4/imm32/write
+<span id="L36" class="LineNr">36 </span>cd/syscall  0x80/imm8
+<span id="L37" class="LineNr">37 </span>
+<span id="L38" class="LineNr">38 </span><span class="subxComment"># syscall(exit, EBX)</span>
+<span id="L39" class="LineNr">39 </span>b8/copy-to-EAX  1/imm32/exit
+<span id="L40" class="LineNr">40 </span>cd/syscall  0x80/imm8
+<span id="L41" class="LineNr">41 </span>
+<span id="L42" class="LineNr">42 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->