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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 - linux/texture.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=">
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a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.LineNr { }
.Delimiter { color: #c000c0; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muRegEdx { color: #878700; }
.muRegEbx { color: #8787af; }
.muRegEsi { color: #87d787; }
.muRegEdi { color: #87ffd7; }
.Constant { color: #008787; }
.Special { color: #ff6060; }
.PreProc { color: #c000c0; }
.CommentedCode { color: #8a8a8a; }
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.muRegEax { color: #875f00; }
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<a href='https://github.com/akkartik/mu/blob/main/linux/texture.mu'>https://github.com/akkartik/mu/blob/main/linux/texture.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Playing with emitting cool textures.</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 texture.mu</span>
<span id="L7" class="LineNr"> 7 </span><span class="muComment">#   $ ./a.elf &gt; a.ppm</span>
<span id="L8" class="LineNr"> 8 </span>
<span id="L9" class="LineNr"> 9 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='texture.mu.html#L9'>main</a></span><span class="PreProc"> -&gt; </span>_/<span class="muRegEbx">ebx</span>: int <span class="Delimiter">{</span>
<span id="L10" class="LineNr">10 </span><span class="CommentedCode">#?   var width/esi: int &lt;- copy 0x190  # 400</span>
<span id="L11" class="LineNr">11 </span><span class="CommentedCode">#?   var height/edi: int &lt;- copy 0xe1  # 225; aspect ratio 16:9</span>
<span id="L12" class="LineNr">12 </span>  <span class="PreProc">var</span> width/<span class="muRegEsi">esi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0xff</span>
<span id="L13" class="LineNr">13 </span>  <span class="PreProc">var</span> height/<span class="muRegEdi">edi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0xff</span>
<span id="L14" class="LineNr">14 </span>  <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;P3\n&quot;</span>
<span id="L15" class="LineNr">15 </span>  <a href='405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>/screen, width
<span id="L16" class="LineNr">16 </span>  <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; &quot;</span>
<span id="L17" class="LineNr">17 </span>  <a href='405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>/screen, height
<span id="L18" class="LineNr">18 </span>  <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;\n&quot;</span>
<span id="L19" class="LineNr">19 </span>  <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;255\n&quot;</span>  <span class="muComment"># color depth</span>
<span id="L20" class="LineNr">20 </span>  <span class="PreProc">var</span> row/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L21" class="LineNr">21 </span>  <span class="Delimiter">{</span>
<span id="L22" class="LineNr">22 </span>    compare row, height
<span id="L23" class="LineNr">23 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L24" class="LineNr">24 </span>    <span class="PreProc">var</span> col/<span class="muRegEdx">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L25" class="LineNr">25 </span>    <span class="Delimiter">{</span>
<span id="L26" class="LineNr">26 </span>      compare col, width
<span id="L27" class="LineNr">27 </span>      <span class="PreProc">break-if-&gt;=</span>
<span id="L28" class="LineNr">28 </span>      <span class="muComment"># r</span>
<span id="L29" class="LineNr">29 </span>      <span class="PreProc">var</span> tmp/<span class="muRegEax">eax</span>: int <span class="Special">&lt;-</span> copy col
<span id="L30" class="LineNr">30 </span>      tmp <span class="Special">&lt;-</span> multiply row
<span id="L31" class="LineNr">31 </span>      tmp <span class="Special">&lt;-</span> and <span class="Constant">0x7f</span>
<span id="L32" class="LineNr">32 </span>      tmp <span class="Special">&lt;-</span> add <span class="Constant">0x80</span>
<span id="L33" class="LineNr">33 </span>      tmp <span class="Special">&lt;-</span> copy <span class="Constant">0xff</span>
<span id="L34" class="LineNr">34 </span>      <a href='405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>/screen, tmp
<span id="L35" class="LineNr">35 </span>      <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; &quot;</span>
<span id="L36" class="LineNr">36 </span>      <span class="muComment"># g</span>
<span id="L37" class="LineNr">37 </span>      tmp <span class="Special">&lt;-</span> copy row
<span id="L38" class="LineNr">38 </span>      tmp <span class="Special">&lt;-</span> multiply col
<span id="L39" class="LineNr">39 </span>      tmp <span class="Special">&lt;-</span> and <span class="Constant">0x7f</span>
<span id="L40" class="LineNr">40 </span>      tmp <span class="Special">&lt;-</span> add <span class="Constant">0x80</span>
<span id="L41" class="LineNr">41 </span><span class="CommentedCode">#?       tmp &lt;- copy 0xcf</span>
<span id="L42" class="LineNr">42 </span>      <a href='405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>/screen, tmp
<span id="L43" class="LineNr">43 </span>      <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot; &quot;</span>
<span id="L44" class="LineNr">44 </span>      <span class="muComment"># b</span>
<span id="L45" class="LineNr">45 </span>      tmp <span class="Special">&lt;-</span> copy row
<span id="L46" class="LineNr">46 </span>      tmp <span class="Special">&lt;-</span> multiply col
<span id="L47" class="LineNr">47 </span>      tmp <span class="Special">&lt;-</span> and <span class="Constant">0x7f</span>
<span id="L48" class="LineNr">48 </span>      tmp <span class="Special">&lt;-</span> add <span class="Constant">0x80</span>
<span id="L49" class="LineNr">49 </span>      <a href='405screen.mu.html#L484'>print-int32-decimal</a> <span class="Constant">0</span>/screen, tmp
<span id="L50" class="LineNr">50 </span>      <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;\n&quot;</span>
<span id="L51" class="LineNr">51 </span>      col <span class="Special">&lt;-</span> increment
<span id="L52" class="LineNr">52 </span>      <span class="PreProc">loop</span>
<span id="L53" class="LineNr">53 </span>    <span class="Delimiter">}</span>
<span id="L54" class="LineNr">54 </span>    row <span class="Special">&lt;-</span> increment
<span id="L55" class="LineNr">55 </span>    <span class="PreProc">loop</span>
<span id="L56" class="LineNr">56 </span>  <span class="Delimiter">}</span>
<span id="L57" class="LineNr">57 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
<span id="L58" class="LineNr">58 </span><span class="Delimiter">}</span>
</pre>
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