blob: 3185d270182bd4a1b1e80e9e225454fecc6e91ca (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
<!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/ex1.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,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
<style type="text/css">
<!--
pre { font-family: monospace; color: #000000; background-color: #c6c6c6; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
-->
</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();'>
<a href='https://github.com/akkartik/mu/blob/master/subx/examples/ex1.subx'>https://github.com/akkartik/mu/blob/master/subx/examples/ex1.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># First program: same as <a href="https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html">https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html</a></span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Just return 42.</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment">#</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># To run (from the subx directory):</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># $ ./subx translate examples/ex1.2.subx -o examples/ex1</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># $ ./subx run examples/ex1</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># Expected result:</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># $ echo $?</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># 42</span>
<span id="L10" class="LineNr">10 </span>
<span id="L11" class="LineNr">11 </span>== code 0x09000000
<span id="L12" class="LineNr">12 </span>
<span id="L13" class="LineNr">13 </span><span class="subxComment"># syscall(exit, 42)</span>
<span id="L14" class="LineNr">14 </span>bb/copy-to-EBX 2a/imm32 <span class="subxComment"># 42 in hex</span>
<span id="L15" class="LineNr">15 </span>b8/copy-to-EAX 1/imm32/exit
<span id="L16" class="LineNr">16 </span>cd/syscall 0x80/imm8
<span id="L17" class="LineNr">17 </span>
<span id="L18" class="LineNr">18 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|