94 lines
5.0 KiB
HTML
94 lines
5.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Mu - ex2.mu</title>
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<body onload='JumpToLine();'>
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<a href='https://github.com/akkartik/mu/blob/main/ex2.mu'>https://github.com/akkartik/mu/blob/main/ex2.mu</a>
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Test out the video mode by filling in the screen with pixels.</span>
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<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
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<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To build a disk image:</span>
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<span id="L4" class="LineNr"> 4 </span><span class="muComment"># ./translate ex2.mu # emits code.img</span>
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<span id="L5" class="LineNr"> 5 </span><span class="muComment"># To run:</span>
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<span id="L6" class="LineNr"> 6 </span><span class="muComment"># qemu-system-i386 code.img</span>
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<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Or:</span>
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<span id="L8" class="LineNr"> 8 </span><span class="muComment"># bochs -f bochsrc # bochsrc loads code.img</span>
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<span id="L9" class="LineNr"> 9 </span>
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<span id="L10" class="LineNr">10 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex2.mu.html#L10'>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>
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<span id="L11" class="LineNr">11 </span> <span class="PreProc">var</span> y/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L12" class="LineNr">12 </span> <span class="Delimiter">{</span>
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<span id="L13" class="LineNr">13 </span> compare y, <span class="Constant">0x300</span>/screen-height=<span class="Constant">768</span>
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<span id="L14" class="LineNr">14 </span> <span class="PreProc">break-if->=</span>
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<span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L16" class="LineNr">16 </span> <span class="Delimiter">{</span>
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<span id="L17" class="LineNr">17 </span> compare x, <span class="Constant">0x400</span>/screen-width=<span class="Constant">1024</span>
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<span id="L18" class="LineNr">18 </span> <span class="PreProc">break-if->=</span>
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<span id="L19" class="LineNr">19 </span> <span class="PreProc">var</span> color/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy x
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<span id="L20" class="LineNr">20 </span> color <span class="Special"><-</span> and <span class="Constant">0xff</span>
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<span id="L21" class="LineNr">21 </span> <a href='500fake-screen.mu.html#L483'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a> x, y, color
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<span id="L22" class="LineNr">22 </span> x <span class="Special"><-</span> increment
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<span id="L23" class="LineNr">23 </span> <span class="PreProc">loop</span>
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<span id="L24" class="LineNr">24 </span> <span class="Delimiter">}</span>
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<span id="L25" class="LineNr">25 </span> y <span class="Special"><-</span> increment
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<span id="L26" class="LineNr">26 </span> <span class="PreProc">loop</span>
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<span id="L27" class="LineNr">27 </span> <span class="Delimiter">}</span>
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<span id="L28" class="LineNr">28 </span><span class="Delimiter">}</span>
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</pre>
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</body>
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</html>
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