diff options
Diffstat (limited to 'html/linux/advent2020/3b.mu.html')
| -rw-r--r-- | html/linux/advent2020/3b.mu.html | 66 |
1 files changed, 36 insertions, 30 deletions
diff --git a/html/linux/advent2020/3b.mu.html b/html/linux/advent2020/3b.mu.html index 6d34a66b..153d86da 100644 --- a/html/linux/advent2020/3b.mu.html +++ b/html/linux/advent2020/3b.mu.html @@ -7,21 +7,27 @@ <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-dark"> +<meta name="colorscheme" content="minimal-light"> <style type="text/css"> <!-- -pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #a8a8a8; } -body { font-size:12pt; font-family: monospace; color: #000000; background-color: #a8a8a8; } +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #eeeeee; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #eeeeee; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.PreProc { color: #c000c0; } -.Special { color: #ff6060; } .LineNr { } .Delimiter { color: #c000c0; } .CommentedCode { color: #8a8a8a; } +.muRegEdx { color: #878700; } +.muRegEbx { color: #8787af; } +.muRegEsi { color: #87d787; } +.muRegEdi { color: #87ffd7; } .Constant { color: #008787; } +.Special { color: #ff6060; } +.PreProc { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } .muComment { color: #005faf; } +.muRegEax { color: #875f00; } +.muRegEcx { color: #af875f; } --> </style> @@ -67,24 +73,24 @@ if ('onhashchange' in window) { <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='3b.mu.html#L11'>main</a></span><span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> +<span id="L11" class="LineNr"> 11 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='3b.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="muComment"># represent trees in a 2D array of ints</span> <span id="L13" class="LineNr"> 13 </span> <span class="muComment"># wasteful since each tree is just one bit</span> <span id="L14" class="LineNr"> 14 </span> <span class="PreProc">var</span> trees-storage: (array int <span class="Constant">0x2800</span>) <span class="muComment"># 10k ints</span> -<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> trees/<span class="Constant">esi</span>: (addr array int) <span class="Special"><-</span> address trees-storage -<span id="L16" class="LineNr"> 16 </span> <span class="PreProc">var</span> trees-length/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> trees/<span class="muRegEsi">esi</span>: (addr array int) <span class="Special"><-</span> address trees-storage +<span id="L16" class="LineNr"> 16 </span> <span class="PreProc">var</span> trees-length/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> <span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> num-rows: int <span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> width: int <span id="L19" class="LineNr"> 19 </span> <span class="muComment"># phase 1: parse each row of trees from stdin</span> <span id="L20" class="LineNr"> 20 </span> <span class="Delimiter">{</span> <span id="L21" class="LineNr"> 21 </span> <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x40</span>) <span class="muComment"># 64 bytes</span> -<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> line/<span class="Constant">edx</span>: (addr stream byte) <span class="Special"><-</span> address line-storage +<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> line/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address line-storage <span id="L23" class="LineNr"> 23 </span> <span class="Delimiter">{</span> <span id="L24" class="LineNr"> 24 </span> <span class="muComment"># read line from stdin</span> <span id="L25" class="LineNr"> 25 </span> <a href='../106stream.subx.html#L17'>clear-stream</a> line <span id="L26" class="LineNr"> 26 </span> <a href='../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line <span id="L27" class="LineNr"> 27 </span> <span class="muComment"># if line is empty (not even a newline), quit</span> -<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> line +<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> done?/<span class="muRegEax">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> line <span id="L29" class="LineNr"> 29 </span> compare done?, <span class="Constant">0</span>/false <span id="L30" class="LineNr"> 30 </span> <span class="PreProc">break-if-!=</span> <span id="L31" class="LineNr"> 31 </span> <span class="muComment"># wastefully recompute width on every line</span> @@ -92,15 +98,15 @@ if ('onhashchange' in window) { <span id="L33" class="LineNr"> 33 </span> copy-to width, <span class="Constant">0</span> <span id="L34" class="LineNr"> 34 </span> <span class="muComment"># turn each byte into a tree and append it</span> <span id="L35" class="LineNr"> 35 </span> $main:line-loop: <span class="Delimiter">{</span> -<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> line +<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">var</span> done?/<span class="muRegEax">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> line <span id="L37" class="LineNr"> 37 </span> compare done?, <span class="Constant">0</span>/false <span id="L38" class="LineNr"> 38 </span> <span class="PreProc">break-if-!=</span> <span id="L39" class="LineNr"> 39 </span><span class="CommentedCode">#? print-int32-decimal 0, num-rows</span> <span id="L40" class="LineNr"> 40 </span><span class="CommentedCode">#? print-string 0, " "</span> <span id="L41" class="LineNr"> 41 </span><span class="CommentedCode">#? print-int32-decimal 0, width</span> <span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">#? print-string 0, "\n"</span> -<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> dest/<span class="Constant">ebx</span>: (addr int) <span class="Special"><-</span> index trees, trees-length -<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> line +<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> dest/<span class="muRegEbx">ebx</span>: (addr int) <span class="Special"><-</span> index trees, trees-length +<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> c/<span class="muRegEax">eax</span>: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L273'>read-byte</a> line <span id="L45" class="LineNr"> 45 </span> <span class="muComment"># newline comes only at end of line</span> <span id="L46" class="LineNr"> 46 </span> compare c, <span class="Constant">0xa</span>/newline <span id="L47" class="LineNr"> 47 </span> <span class="PreProc">break-if-=</span> @@ -124,24 +130,24 @@ if ('onhashchange' in window) { <span id="L65" class="LineNr"> 65 </span> <span class="Delimiter">}</span> <span id="L66" class="LineNr"> 66 </span> <span class="Delimiter">}</span> <span id="L67" class="LineNr"> 67 </span> <span class="muComment"># phase 2: compute</span> -<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> product/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">1</span> -<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">1</span>, <span class="Constant">1</span> +<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> product/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">1</span> +<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> result/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">1</span>, <span class="Constant">1</span> <span id="L70" class="LineNr"> 70 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, result <span id="L71" class="LineNr"> 71 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" x "</span> <span id="L72" class="LineNr"> 72 </span> product <span class="Special"><-</span> multiply result -<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">3</span>, <span class="Constant">1</span> +<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> result/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">3</span>, <span class="Constant">1</span> <span id="L74" class="LineNr"> 74 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, result <span id="L75" class="LineNr"> 75 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" x "</span> <span id="L76" class="LineNr"> 76 </span> product <span class="Special"><-</span> multiply result -<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">5</span>, <span class="Constant">1</span> +<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> result/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">5</span>, <span class="Constant">1</span> <span id="L78" class="LineNr"> 78 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, result <span id="L79" class="LineNr"> 79 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" x "</span> <span id="L80" class="LineNr"> 80 </span> product <span class="Special"><-</span> multiply result -<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">7</span>, <span class="Constant">1</span> +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">var</span> result/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">7</span>, <span class="Constant">1</span> <span id="L82" class="LineNr"> 82 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, result <span id="L83" class="LineNr"> 83 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" x "</span> <span id="L84" class="LineNr"> 84 </span> product <span class="Special"><-</span> multiply result -<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">1</span>, <span class="Constant">2</span> +<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">var</span> result/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L94'>num-trees-hit</a> trees, width, num-rows, <span class="Constant">1</span>, <span class="Constant">2</span> <span id="L86" class="LineNr"> 86 </span> <a href='../405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>, result <span id="L87" class="LineNr"> 87 </span> <a href='../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">" = "</span> <span id="L88" class="LineNr"> 88 </span> product <span class="Special"><-</span> multiply result @@ -150,21 +156,21 @@ if ('onhashchange' in window) { <span id="L91" class="LineNr"> 91 </span> <span class="PreProc">return</span> <span class="Constant">0</span> <span id="L92" class="LineNr"> 92 </span><span class="Delimiter">}</span> <span id="L93" class="LineNr"> 93 </span> -<span id="L94" class="LineNr"> 94 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='3b.mu.html#L94'>num-trees-hit</a></span> trees: (addr array int), width: int, num-rows: int, right: int, down: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L94" class="LineNr"> 94 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='3b.mu.html#L94'>num-trees-hit</a></span> trees: (addr array int), width: int, num-rows: int, right: int, down: int<span class="PreProc"> -> </span>_/<span class="muRegEax">eax</span>: int <span class="Delimiter">{</span> <span id="L95" class="LineNr"> 95 </span><span class="CommentedCode">#? print-string 0, "== "</span> <span id="L96" class="LineNr"> 96 </span><span class="CommentedCode">#? print-int32-decimal 0, right</span> <span id="L97" class="LineNr"> 97 </span><span class="CommentedCode">#? print-string 0, " "</span> <span id="L98" class="LineNr"> 98 </span><span class="CommentedCode">#? print-int32-decimal 0, down</span> <span id="L99" class="LineNr"> 99 </span><span class="CommentedCode">#? print-string 0, "\n"</span> -<span id="L100" class="LineNr">100 </span> <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> <a href='3b.mu.html#L94'>num-trees-hit</a>/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L100" class="LineNr">100 </span> <span class="PreProc">var</span> row/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> col/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> <a href='3b.mu.html#L94'>num-trees-hit</a>/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> <span id="L103" class="LineNr">103 </span> <span class="Delimiter">{</span> <span id="L104" class="LineNr">104 </span> compare row, num-rows <span id="L105" class="LineNr">105 </span> <span class="PreProc">break-if->=</span> <span id="L106" class="LineNr">106 </span><span class="CommentedCode">#? print-int32-decimal 0, col</span> <span id="L107" class="LineNr">107 </span><span class="CommentedCode">#? print-string 0, "\n"</span> -<span id="L108" class="LineNr">108 </span> <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L121'>index2d</a> trees, row, col, width +<span id="L108" class="LineNr">108 </span> <span class="PreProc">var</span> curr/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='3b.mu.html#L121'>index2d</a> trees, row, col, width <span id="L109" class="LineNr">109 </span> compare curr, <span class="Constant">0</span> <span id="L110" class="LineNr">110 </span> <span class="Delimiter">{</span> <span id="L111" class="LineNr">111 </span> <span class="PreProc">break-if-=</span> @@ -177,21 +183,21 @@ if ('onhashchange' in window) { <span id="L118" class="LineNr">118 </span> <span class="PreProc">return</span> <a href='3b.mu.html#L94'>num-trees-hit</a> <span id="L119" class="LineNr">119 </span><span class="Delimiter">}</span> <span id="L120" class="LineNr">120 </span> -<span id="L121" class="LineNr">121 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='3b.mu.html#L121'>index2d</a></span> _arr: (addr array int), _row: int, _col: int, width: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L121" class="LineNr">121 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='3b.mu.html#L121'>index2d</a></span> _arr: (addr array int), _row: int, _col: int, width: int<span class="PreProc"> -> </span>_/<span class="muRegEax">eax</span>: int <span class="Delimiter">{</span> <span id="L122" class="LineNr">122 </span> <span class="muComment"># handle repeating columns of trees</span> -<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> col/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> <span id="L125" class="LineNr">125 </span> dummy, col <span class="Special"><-</span> <a href='../314divide.subx.html#L3'>integer-divide</a> _col, width <span id="L126" class="LineNr">126 </span><span class="CommentedCode">#? print-string 0, " "</span> <span id="L127" class="LineNr">127 </span><span class="CommentedCode">#? print-int32-decimal 0, col</span> <span id="L128" class="LineNr">128 </span><span class="CommentedCode">#? print-string 0, "\n"</span> <span id="L129" class="LineNr">129 </span> <span class="muComment"># compute index</span> -<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> index/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy _row +<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> index/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy _row <span id="L131" class="LineNr">131 </span> index <span class="Special"><-</span> multiply width <span id="L132" class="LineNr">132 </span> index <span class="Special"><-</span> add col <span id="L133" class="LineNr">133 </span> <span class="muComment"># look up array</span> -<span id="L134" class="LineNr">134 </span> <span class="PreProc">var</span> arr/<span class="Constant">esi</span>: (addr array int) <span class="Special"><-</span> copy _arr -<span id="L135" class="LineNr">135 </span> <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> index arr, index +<span id="L134" class="LineNr">134 </span> <span class="PreProc">var</span> arr/<span class="muRegEsi">esi</span>: (addr array int) <span class="Special"><-</span> copy _arr +<span id="L135" class="LineNr">135 </span> <span class="PreProc">var</span> src/<span class="muRegEax">eax</span>: (addr int) <span class="Special"><-</span> index arr, index <span id="L136" class="LineNr">136 </span> <span class="PreProc">return</span> *src <span id="L137" class="LineNr">137 </span><span class="Delimiter">}</span> </pre> |