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Diffstat (limited to 'html/linux/advent2020/2b.mu.html')
| -rw-r--r-- | html/linux/advent2020/2b.mu.html | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/html/linux/advent2020/2b.mu.html b/html/linux/advent2020/2b.mu.html deleted file mode 100644 index ff0a806f..00000000 --- a/html/linux/advent2020/2b.mu.html +++ /dev/null @@ -1,190 +0,0 @@ -<!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 - linux/advent2020/2b.mu</title> -<meta name="Generator" content="Vim/8.1"> -<meta name="plugin-version" content="vim8.1_v1"> -<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-light"> -<style type="text/css"> -<!-- -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; } -.muRegEcx { color: #870000; } -.Delimiter { color: #c000c0; } -.muFunction { color: #af5f00; text-decoration: underline; } -.CommentedCode { color: #8a8a8a; } -.muComment { color: #005faf; } ---> -</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; - } - 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/advent2020/2b.mu'>https://github.com/akkartik/mu/blob/main/linux/advent2020/2b.mu</a> -<pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="muComment"># <a href="https://adventofcode.com/2020/day/2">https://adventofcode.com/2020/day/2</a></span> -<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span> -<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To run (on Linux):</span> -<span id="L4" class="LineNr"> 4 </span><span class="muComment"># $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span> -<span id="L5" class="LineNr"> 5 </span><span class="muComment"># $ cd mu</span> -<span id="L6" class="LineNr"> 6 </span><span class="muComment"># $ ./translate advent2020/2b.mu</span> -<span id="L7" class="LineNr"> 7 </span><span class="muComment"># $ ./a.elf < input</span> -<span id="L8" class="LineNr"> 8 </span><span class="muComment">#</span> -<span id="L9" class="LineNr"> 9 </span><span class="muComment"># You'll need to register to download the 'input' file for yourself.</span> -<span id="L10" class="LineNr"> 10 </span> -<span id="L11" class="LineNr"> 11 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='2b.mu.html#L11'>main</a></span><span class="PreProc"> -> </span>_/<span class="muRegEbx">ebx</span>: int <span class="Delimiter">{</span> -<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">var</span> valid-password-count/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x100</span>) <span class="muComment"># 256 bytes</span> -<span id="L14" class="LineNr"> 14 </span> <span class="PreProc">var</span> line/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address line-storage -<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> slice-storage: slice -<span id="L16" class="LineNr"> 16 </span> <span class="PreProc">var</span> slice/<span class="muRegEcx">ecx</span>: (addr slice) <span class="Special"><-</span> address slice-storage -<span id="L17" class="LineNr"> 17 </span> <span class="Delimiter">{</span> -<span id="L18" class="LineNr"> 18 </span> <span class="muComment"># read line from stdin</span> -<span id="L19" class="LineNr"> 19 </span> <a href='../106stream.subx.html#L17'>clear-stream</a> line -<span id="L20" class="LineNr"> 20 </span> <a href='../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line -<span id="L21" class="LineNr"> 21 </span> <span class="muComment"># if line is empty (not even a newline), quit</span> -<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> line -<span id="L23" class="LineNr"> 23 </span> compare done?, <span class="Constant">0</span>/false -<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">break-if-!=</span> -<span id="L25" class="LineNr"> 25 </span> <a href='../304screen.subx.html#L147'>print-stream-to-real-screen</a> line -<span id="L26" class="LineNr"> 26 </span> <span class="muComment"># slice = next-token(line, '-')</span> -<span id="L27" class="LineNr"> 27 </span> <a href='../124next-token.subx.html#L10'>next-token</a> line, <span class="Constant">0x2d</span>, slice -<span id="L28" class="LineNr"> 28 </span> <span class="muComment"># pos1 = parse-int(slice)</span> -<span id="L29" class="LineNr"> 29 </span> <span class="PreProc">var</span> _pos1/eax: int <span class="Special"><-</span> <a href='../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> slice -<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> pos1/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy _pos1 -<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> dash/eax: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> line <span class="muComment"># skip '-'</span> -<span id="L32" class="LineNr"> 32 </span> <span class="muComment"># slice = next-token(line, ' ')</span> -<span id="L33" class="LineNr"> 33 </span> <a href='../124next-token.subx.html#L10'>next-token</a> line, <span class="Constant">0x20</span>, slice -<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">var</span> _pos2/eax: int <span class="Special"><-</span> <a href='../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> slice -<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">var</span> pos2/<span class="muRegEsi">esi</span>: int <span class="Special"><-</span> copy _pos2 -<span id="L36" class="LineNr"> 36 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, pos1 -<span id="L37" class="LineNr"> 37 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" "</span> -<span id="L38" class="LineNr"> 38 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, pos2 -<span id="L39" class="LineNr"> 39 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">"\n"</span> -<span id="L40" class="LineNr"> 40 </span> compare pos1, pos2 -<span id="L41" class="LineNr"> 41 </span> <span class="Delimiter">{</span> -<span id="L42" class="LineNr"> 42 </span> <span class="PreProc">break-if-<=</span> -<span id="L43" class="LineNr"> 43 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">"out of order!\n"</span> -<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">return</span> <span class="Constant">1</span> -<span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span> -<span id="L46" class="LineNr"> 46 </span> <span class="muComment"># letter = next non-space</span> -<span id="L47" class="LineNr"> 47 </span> <a href='../124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> line -<span id="L48" class="LineNr"> 48 </span> <span class="PreProc">var</span> letter/eax: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> line -<span id="L49" class="LineNr"> 49 </span> <span class="muComment"># skip some stuff</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">{</span> -<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> colon/eax: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> line <span class="muComment"># skip ':'</span> -<span id="L52" class="LineNr"> 52 </span> <span class="Delimiter">}</span> -<span id="L53" class="LineNr"> 53 </span> <a href='../124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> line -<span id="L54" class="LineNr"> 54 </span> <span class="muComment"># now check the rest of the line</span> -<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">var</span> <a href='2b.mu.html#L72'>valid?</a>/eax: boolean <span class="Special"><-</span> <a href='2b.mu.html#L72'>valid?</a> pos1, pos2, letter, line -<span id="L56" class="LineNr"> 56 </span> compare <a href='2b.mu.html#L72'>valid?</a>, <span class="Constant">0</span>/false -<span id="L57" class="LineNr"> 57 </span> <span class="Delimiter">{</span> -<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">break-if-=</span> -<span id="L59" class="LineNr"> 59 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">"valid!\n"</span> -<span id="L60" class="LineNr"> 60 </span> valid-password-count <span class="Special"><-</span> increment -<span id="L61" class="LineNr"> 61 </span> <span class="Delimiter">}</span> -<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">loop</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Delimiter">}</span> -<span id="L64" class="LineNr"> 64 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, valid-password-count -<span id="L65" class="LineNr"> 65 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">"\n"</span> -<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">return</span> <span class="Constant">0</span> -<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">}</span> -<span id="L68" class="LineNr"> 68 </span> -<span id="L69" class="LineNr"> 69 </span><span class="muComment"># ideally password would be a random-access array</span> -<span id="L70" class="LineNr"> 70 </span><span class="muComment"># we'll just track an index</span> -<span id="L71" class="LineNr"> 71 </span><span class="muComment"># one benefit: we can easily start at 1</span> -<span id="L72" class="LineNr"> 72 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='2b.mu.html#L72'>valid?</a></span> pos1: int, pos2: int, letter: byte, password: (addr stream byte)<span class="PreProc"> -> </span>_/eax: boolean <span class="Delimiter">{</span> -<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> i/<span class="muRegEsi">esi</span>: int <span class="Special"><-</span> copy <span class="Constant">1</span> -<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">var</span> letter-count/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L75" class="LineNr"> 75 </span> <span class="muComment"># while password stream isn't empty</span> -<span id="L76" class="LineNr"> 76 </span> <span class="muComment"># c = read byte from password</span> -<span id="L77" class="LineNr"> 77 </span> <span class="muComment"># if (c == letter)</span> -<span id="L78" class="LineNr"> 78 </span> <span class="muComment"># if (i == pos1)</span> -<span id="L79" class="LineNr"> 79 </span> <span class="muComment"># ++letter-count</span> -<span id="L80" class="LineNr"> 80 </span> <span class="muComment"># if (i == pos2)</span> -<span id="L81" class="LineNr"> 81 </span> <span class="muComment"># ++letter-count</span> -<span id="L82" class="LineNr"> 82 </span> <span class="muComment"># ++i</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Delimiter">{</span> -<span id="L84" class="LineNr"> 84 </span><span class="CommentedCode">#? print-string 0, " "</span> -<span id="L85" class="LineNr"> 85 </span><span class="CommentedCode">#? print-int32-decimal 0, i</span> -<span id="L86" class="LineNr"> 86 </span><span class="CommentedCode">#? print-string 0, "\n"</span> -<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> password -<span id="L88" class="LineNr"> 88 </span> compare done?, <span class="Constant">0</span>/false -<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">break-if-!=</span> -<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> c/eax: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> password -<span id="L91" class="LineNr"> 91 </span><span class="CommentedCode">#? {</span> -<span id="L92" class="LineNr"> 92 </span><span class="CommentedCode">#? var c2/eax: int <- copy c</span> -<span id="L93" class="LineNr"> 93 </span><span class="CommentedCode">#? print-int32-decimal 0, c2</span> -<span id="L94" class="LineNr"> 94 </span><span class="CommentedCode">#? print-string 0, "\n"</span> -<span id="L95" class="LineNr"> 95 </span><span class="CommentedCode">#? }</span> -<span id="L96" class="LineNr"> 96 </span> compare c, letter -<span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">{</span> -<span id="L98" class="LineNr"> 98 </span> <span class="PreProc">break-if-!=</span> -<span id="L99" class="LineNr"> 99 </span> compare i, pos1 -<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span> -<span id="L101" class="LineNr">101 </span> <span class="PreProc">break-if-!=</span> -<span id="L102" class="LineNr">102 </span> letter-count <span class="Special"><-</span> increment -<span id="L103" class="LineNr">103 </span><span class="CommentedCode">#? print-string 0, " hit\n"</span> -<span id="L104" class="LineNr">104 </span> <span class="Delimiter">}</span> -<span id="L105" class="LineNr">105 </span> compare i, pos2 -<span id="L106" class="LineNr">106 </span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> <span class="PreProc">break-if-!=</span> -<span id="L108" class="LineNr">108 </span> letter-count <span class="Special"><-</span> increment -<span id="L109" class="LineNr">109 </span><span class="CommentedCode">#? print-string 0, " hit\n"</span> -<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span> -<span id="L111" class="LineNr">111 </span> <span class="Delimiter">}</span> -<span id="L112" class="LineNr">112 </span> i <span class="Special"><-</span> increment -<span id="L113" class="LineNr">113 </span> <span class="PreProc">loop</span> -<span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span> -<span id="L115" class="LineNr">115 </span> <span class="muComment"># return (letter-count == 1)</span> -<span id="L116" class="LineNr">116 </span> compare letter-count, <span class="Constant">1</span> -<span id="L117" class="LineNr">117 </span> <span class="Delimiter">{</span> -<span id="L118" class="LineNr">118 </span> <span class="PreProc">break-if-!=</span> -<span id="L119" class="LineNr">119 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true -<span id="L120" class="LineNr">120 </span> <span class="Delimiter">}</span> -<span id="L121" class="LineNr">121 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false -<span id="L122" class="LineNr">122 </span><span class="Delimiter">}</span> -</pre> -</body> -</html> -<!-- vim: set foldmethod=manual : --> |