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<a href='https://github.com/akkartik/mu/blob/main/baremetal/503manhattan-line.mu'>https://github.com/akkartik/mu/blob/main/baremetal/503manhattan-line.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L1'>draw-box</a></span> screen: (addr screen), x1: int, y1: int, x2: int, y2: int, color: int <span class="Delimiter">{</span>
<span id="L2" class="LineNr"> 2 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a> screen, x1, x2, y1, color
<span id="L3" class="LineNr"> 3 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a> screen, x1, y1, y2, color
<span id="L4" class="LineNr"> 4 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a> screen, x1, x2, y2, color
<span id="L5" class="LineNr"> 5 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a> screen, x2, y1, y2, color
<span id="L6" class="LineNr"> 6 </span><span class="Delimiter">}</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a></span> screen: (addr screen), x1: int, x2: int, y: int, color: int <span class="Delimiter">{</span>
<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy x1
<span id="L10" class="LineNr">10 </span> <span class="Delimiter">{</span>
<span id="L11" class="LineNr">11 </span> compare x, x2
<span id="L12" class="LineNr">12 </span> <span class="PreProc">break-if->=</span>
<span id="L13" class="LineNr">13 </span> <a href='101screen.subx.html#L5'>pixel</a> screen, x, y, color
<span id="L14" class="LineNr">14 </span> x <span class="SpecialChar"><-</span> increment
<span id="L15" class="LineNr">15 </span> <span class="PreProc">loop</span>
<span id="L16" class="LineNr">16 </span> <span class="Delimiter">}</span>
<span id="L17" class="LineNr">17 </span><span class="Delimiter">}</span>
<span id="L18" class="LineNr">18 </span>
<span id="L19" class="LineNr">19 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a></span> screen: (addr screen), x: int, y1: int, y2: int, color: int <span class="Delimiter">{</span>
<span id="L20" class="LineNr">20 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy y1
<span id="L21" class="LineNr">21 </span> <span class="Delimiter">{</span>
<span id="L22" class="LineNr">22 </span> compare y, y2
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<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L5'>pixel</a> screen, x, y, color
<span id="L25" class="LineNr">25 </span> y <span class="SpecialChar"><-</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>
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