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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Mu - linux/apps/advent2017/1a.mu</title>
<meta name="Generator" content="Vim/8.2">
<meta name="plugin-version" content="vim8.1_v2">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=,use_input_for_pc=fallback">
<meta name="colorscheme" content="minimal-light">
<style>
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #ffffd7; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #ffffd7; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.PreProc { color: #c000c0; }
.muRegEdx { color: #af5f00; }
.Special { color: #ff6060; }
.LineNr { }
.muRegEsi { color: #005faf; }
.muRegEbx { color: #5f00ff; }
.Constant { color: #008787; }
.muRegEdi { color: #00af00; }
.Delimiter { color: #c000c0; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muComment { color: #005faf; }
-->
</style>
<script>
<!--
/* 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;
}
var 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/main/linux/apps/advent2017/1a.mu'>https://github.com/akkartik/mu/blob/main/linux/apps/advent2017/1a.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Advent of code 2017, problem 1a</span>
<span id="L2" class="LineNr"> 2 </span><span class="muComment"># <a href="https://adventofcode.com/2017/day/1">https://adventofcode.com/2017/day/1</a></span>
<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span>
<span id="L4" class="LineNr"> 4 </span><span class="muComment"># Mu solution by Sumeet Agarwal and Kartik Agaram</span>
<span id="L5" class="LineNr"> 5 </span><span class="muComment"># <a href="https://archive.org/details/2021-06-02-akkartik-sumeet">https://archive.org/details/2021-06-02-akkartik-sumeet</a></span>
<span id="L6" class="LineNr"> 6 </span><span class="muComment">#</span>
<span id="L7" class="LineNr"> 7 </span><span class="muComment"># To build on Linux:</span>
<span id="L8" class="LineNr"> 8 </span><span class="muComment"># $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
<span id="L9" class="LineNr"> 9 </span><span class="muComment"># $ cd mu/linux</span>
<span id="L10" class="LineNr">10 </span><span class="muComment"># $ ./translate apps/advent2017/1a.mu # emits a.elf</span>
<span id="L11" class="LineNr">11 </span><span class="muComment"># To run on Linux:</span>
<span id="L12" class="LineNr">12 </span><span class="muComment"># Download <a href="https://adventofcode.com/2017/day/1/input">https://adventofcode.com/2017/day/1/input</a></span>
<span id="L13" class="LineNr">13 </span><span class="muComment"># $ ./a.elf < input</span>
<span id="L14" class="LineNr">14 </span><span class="muComment"># Type in the number returned at <a href="https://adventofcode.com/2017/day/1">https://adventofcode.com/2017/day/1</a></span>
<span id="L15" class="LineNr">15 </span>
<span id="L16" class="LineNr">16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='1a.mu.html#L16'>main</a></span><span class="PreProc"> -> </span>_/<span class="muRegEbx">ebx</span>: int <span class="Delimiter">{</span>
<span id="L17" class="LineNr">17 </span> <span class="PreProc">var</span> input_stream: (stream byte <span class="Constant">0x8000</span>)
<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> input_stream_addr/<span class="muRegEsi">esi</span>: (addr stream byte) <span class="Special"><-</span> address input_stream
<span id="L19" class="LineNr">19 </span>
<span id="L20" class="LineNr">20 </span> <span class="PreProc">var</span> sum/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L21" class="LineNr">21 </span> <a href='../../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> input_stream_addr
<span id="L22" class="LineNr">22 </span>
<span id="L23" class="LineNr">23 </span> <span class="PreProc">var</span> temp/eax: int <span class="Special"><-</span> <a href='1a.mu.html#L60'>read_digit</a> input_stream_addr
<span id="L24" class="LineNr">24 </span> <span class="PreProc">var</span> first_digit/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy temp
<span id="L25" class="LineNr">25 </span> <span class="PreProc">var</span> this_digit/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy temp
<span id="L26" class="LineNr">26 </span>
<span id="L27" class="LineNr">27 </span> <span class="Delimiter">{</span>
<span id="L28" class="LineNr">28 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> input_stream_addr
<span id="L29" class="LineNr">29 </span> compare done?, <span class="Constant">1</span>
<span id="L30" class="LineNr">30 </span> <span class="PreProc">break-if-=</span>
<span id="L31" class="LineNr">31 </span>
<span id="L32" class="LineNr">32 </span> <span class="PreProc">var</span> next_digit/eax: int <span class="Special"><-</span> <a href='1a.mu.html#L60'>read_digit</a> input_stream_addr
<span id="L33" class="LineNr">33 </span> <span class="muComment"># hacky newline check</span>
<span id="L34" class="LineNr">34 </span> compare next_digit, <span class="Constant">0</span>
<span id="L35" class="LineNr">35 </span> <span class="PreProc">break-if-<</span>
<span id="L36" class="LineNr">36 </span>
<span id="L37" class="LineNr">37 </span> <span class="Delimiter">{</span>
<span id="L38" class="LineNr">38 </span> compare this_digit, next_digit
<span id="L39" class="LineNr">39 </span> <span class="PreProc">break-if-!=</span>
<span id="L40" class="LineNr">40 </span> sum <span class="Special"><-</span> add this_digit
<span id="L41" class="LineNr">41 </span> <span class="Delimiter">}</span>
<span id="L42" class="LineNr">42 </span>
<span id="L43" class="LineNr">43 </span> this_digit <span class="Special"><-</span> copy next_digit
<span id="L44" class="LineNr">44 </span>
<span id="L45" class="LineNr">45 </span> <span class="PreProc">loop</span>
<span id="L46" class="LineNr">46 </span> <span class="Delimiter">}</span>
<span id="L47" class="LineNr">47 </span>
<span id="L48" class="LineNr">48 </span> <span class="muComment"># the last iteration will need to compare the last number to the first</span>
<span id="L49" class="LineNr">49 </span> <span class="Delimiter">{</span>
<span id="L50" class="LineNr">50 </span> compare this_digit, first_digit
<span id="L51" class="LineNr">51 </span> <span class="PreProc">break-if-!=</span>
<span id="L52" class="LineNr">52 </span> sum <span class="Special"><-</span> add this_digit
<span id="L53" class="LineNr">53 </span> <span class="Delimiter">}</span>
<span id="L54" class="LineNr">54 </span>
<span id="L55" class="LineNr">55 </span> <a href='../../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, sum
<span id="L56" class="LineNr">56 </span>
<span id="L57" class="LineNr">57 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/ok
<span id="L58" class="LineNr">58 </span><span class="Delimiter">}</span>
<span id="L59" class="LineNr">59 </span>
<span id="L60" class="LineNr">60 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='1a.mu.html#L60'>read_digit</a></span> input_stream_addr: (addr stream byte)<span class="PreProc"> -> </span>_/eax: int <span class="Delimiter">{</span>
<span id="L61" class="LineNr">61 </span> <span class="PreProc">var</span> next_digit/eax: byte <span class="Special"><-</span> <a href='../../112read-byte.subx.html#L273'>read-byte</a> input_stream_addr
<span id="L62" class="LineNr">62 </span> next_digit <span class="Special"><-</span> subtract <span class="Constant">0x30</span>
<span id="L63" class="LineNr">63 </span> <span class="PreProc">var</span> next_digit/eax: int <span class="Special"><-</span> copy next_digit
<span id="L64" class="LineNr">64 </span> <span class="PreProc">return</span> next_digit
<span id="L65" class="LineNr">65 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|