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+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>Mu - apps/ex12.mu</title>
+<meta name="Generator" content="Vim/8.2">
+<meta name="plugin-version" content="vim8.1_v2">
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+<meta name="colorscheme" content="minimal-light">
+<style>
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+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/main/apps/ex12.mu'>https://github.com/akkartik/mu/blob/main/apps/ex12.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Checking the timer.</span>
+<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To build a disk image:</span>
+<span id="L4" class="LineNr"> 4 </span><span class="muComment">#   ./translate apps/ex12.mu       # emits code.img</span>
+<span id="L5" class="LineNr"> 5 </span><span class="muComment"># To run:</span>
+<span id="L6" class="LineNr"> 6 </span><span class="muComment">#   qemu-system-i386 code.img</span>
+<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Or:</span>
+<span id="L8" class="LineNr"> 8 </span><span class="muComment">#   bochs -f bochsrc               # bochsrc loads code.img</span>
+<span id="L9" class="LineNr"> 9 </span><span class="muComment">#</span>
+<span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output: text with slowly updating colors</span>
+<span id="L11" class="LineNr">11 </span>
+<span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex12.mu.html#L12'>main</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
+<span id="L13" class="LineNr">13 </span>  <span class="PreProc">var</span> fg/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L14" class="LineNr">14 </span>  <span class="PreProc">var</span> prev-timer-counter/<span class="muRegEdx">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L15" class="LineNr">15 </span>  <span class="Delimiter">{</span>
+<span id="L16" class="LineNr">16 </span>    <span class="PreProc">var</span> dummy/eax: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;hello from baremetal Mu!&quot;</span>, <span class="Constant">0x10</span>/x, <span class="Constant">0x400</span>/xmax, <span class="Constant">0x10</span>/y, fg, <span class="Constant">0</span>/bg
+<span id="L17" class="LineNr">17 </span>    <span class="muComment"># wait for timer to bump</span>
+<span id="L18" class="LineNr">18 </span>    <span class="Delimiter">{</span>
+<span id="L19" class="LineNr">19 </span>      <span class="PreProc">var</span> curr-timer-counter/eax: int <span class="Special">&lt;-</span> <a href='../319timer.subx.html#L3'>timer-counter</a>
+<span id="L20" class="LineNr">20 </span>      compare curr-timer-counter, prev-timer-counter
+<span id="L21" class="LineNr">21 </span>      <span class="PreProc">loop-if-=</span>
+<span id="L22" class="LineNr">22 </span>      prev-timer-counter <span class="Special">&lt;-</span> copy curr-timer-counter
+<span id="L23" class="LineNr">23 </span>    <span class="Delimiter">}</span>
+<span id="L24" class="LineNr">24 </span>    <span class="muComment"># switch color</span>
+<span id="L25" class="LineNr">25 </span>    fg <span class="Special">&lt;-</span> increment
+<span id="L26" class="LineNr">26 </span>    <span class="PreProc">loop</span>
+<span id="L27" class="LineNr">27 </span>  <span class="Delimiter">}</span>
+<span id="L28" class="LineNr">28 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->