107 lines
7.4 KiB
HTML
107 lines
7.4 KiB
HTML
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<title>Mu - ex10.mu</title>
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<a href='https://github.com/akkartik/mu/blob/main/ex10.mu'>https://github.com/akkartik/mu/blob/main/ex10.mu</a>
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Demo of mouse support.</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 ex10.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><span class="muComment">#</span>
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<span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output:</span>
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<span id="L11" class="LineNr">11 </span><span class="muComment"># Values between -256 and +255 as you move the mouse over the window.</span>
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<span id="L12" class="LineNr">12 </span><span class="muComment"># You might need to click on the window once.</span>
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<span id="L13" class="LineNr">13 </span>
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<span id="L14" class="LineNr">14 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex10.mu.html#L14'>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="L15" class="LineNr">15 </span> <span class="muComment"># repeatedly print out mouse driver results if non-zero</span>
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<span id="L16" class="LineNr">16 </span> $main:event-loop: <span class="Delimiter">{</span>
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<span id="L17" class="LineNr">17 </span> <span class="PreProc">var</span> dx/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> dy/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L19" class="LineNr">19 </span> dx, dy <span class="Special"><-</span> <a href='boot.subx.html#L1443'>read-mouse-event</a>
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<span id="L20" class="LineNr">20 </span> <span class="Delimiter">{</span>
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<span id="L21" class="LineNr">21 </span> compare dx, <span class="Constant">0</span>
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<span id="L22" class="LineNr">22 </span> <span class="PreProc">break-if-!=</span>
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<span id="L23" class="LineNr">23 </span> compare dy, <span class="Constant">0</span>
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<span id="L24" class="LineNr">24 </span> <span class="PreProc">break-if-!=</span>
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<span id="L25" class="LineNr">25 </span> <span class="PreProc">loop</span> $main:event-loop
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<span id="L26" class="LineNr">26 </span> <span class="Delimiter">}</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="PreProc">var</span> dummy1/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L29" class="LineNr">29 </span> <span class="PreProc">var</span> dummy2/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L30" class="LineNr">30 </span> dummy1, dummy2 <span class="Special"><-</span> <a href='501draw-text.mu.html#L256'>draw-text-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" "</span>, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
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<span id="L31" class="LineNr">31 </span> <span class="Delimiter">}</span>
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<span id="L32" class="LineNr">32 </span> <span class="Delimiter">{</span>
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<span id="L33" class="LineNr">33 </span> <span class="PreProc">var</span> dummy/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L34" class="LineNr">34 </span> dx, dummy <span class="Special"><-</span> <a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dx, <span class="Constant">0</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
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<span id="L35" class="LineNr">35 </span> <span class="Delimiter">}</span>
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<span id="L36" class="LineNr">36 </span> <span class="Delimiter">{</span>
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<span id="L37" class="LineNr">37 </span> <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L38" class="LineNr">38 </span> dummy, dy <span class="Special"><-</span> <a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, dy, <span class="Constant">5</span>/x, <span class="Constant">0x10</span>/y, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
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<span id="L39" class="LineNr">39 </span> <span class="Delimiter">}</span>
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<span id="L40" class="LineNr">40 </span> <span class="PreProc">loop</span>
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<span id="L41" class="LineNr">41 </span> <span class="Delimiter">}</span>
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<span id="L42" class="LineNr">42 </span><span class="Delimiter">}</span>
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</pre>
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</body>
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</html>
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