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<a href='https://github.com/akkartik/mu/blob/main/linux/tile/box.mu'>https://github.com/akkartik/mu/blob/main/linux/tile/box.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L1'>draw-box</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row1: int, col1: int, row2: int, col2: int <span class="Delimiter">{</span>
<span id="L2" class="LineNr"> 2 </span> <a href='box.mu.html#L26'>draw-horizontal-line</a> <a href='../405screen.mu.html#L9'>screen</a>, row1, col1, col2
<span id="L3" class="LineNr"> 3 </span> <a href='box.mu.html#L38'>draw-vertical-line</a> <a href='../405screen.mu.html#L9'>screen</a>, row1, row2, col1
<span id="L4" class="LineNr"> 4 </span> <a href='box.mu.html#L26'>draw-horizontal-line</a> <a href='../405screen.mu.html#L9'>screen</a>, row2, col1, col2
<span id="L5" class="LineNr"> 5 </span> <a href='box.mu.html#L38'>draw-vertical-line</a> <a href='../405screen.mu.html#L9'>screen</a>, row1, row2, col2
<span id="L6" class="LineNr"> 6 </span> <a href='box.mu.html#L50'>draw-top-left-corner</a> <a href='../405screen.mu.html#L9'>screen</a>, row1, col1
<span id="L7" class="LineNr"> 7 </span> <a href='box.mu.html#L55'>draw-top-right-corner</a> <a href='../405screen.mu.html#L9'>screen</a>, row1, col2
<span id="L8" class="LineNr"> 8 </span> <a href='box.mu.html#L60'>draw-bottom-left-corner</a> <a href='../405screen.mu.html#L9'>screen</a>, row2, col1
<span id="L9" class="LineNr"> 9 </span> <a href='box.mu.html#L65'>draw-bottom-right-corner</a> <a href='../405screen.mu.html#L9'>screen</a>, row2, col2
<span id="L10" class="LineNr"> 10 </span><span class="Delimiter">}</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='box.mu.html#L12'>draw-hatching</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row1: int, col1: int, row2: int, col2: int <span class="Delimiter">{</span>
<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> c/eax: int <span class="Special"><-</span> copy col1
<span id="L14" class="LineNr"> 14 </span> <span class="PreProc">var</span> r1/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy row1
<span id="L15" class="LineNr"> 15 </span> r1 <span class="Special"><-</span> increment
<span id="L16" class="LineNr"> 16 </span> c <span class="Special"><-</span> add <span class="Constant">2</span>
<span id="L17" class="LineNr"> 17 </span> <span class="Delimiter">{</span>
<span id="L18" class="LineNr"> 18 </span> compare c, col2
<span id="L19" class="LineNr"> 19 </span> <span class="PreProc">break-if->=</span>
<span id="L20" class="LineNr"> 20 </span> <a href='box.mu.html#L38'>draw-vertical-line</a> <a href='../405screen.mu.html#L9'>screen</a>, r1, row2, c
<span id="L21" class="LineNr"> 21 </span> c <span class="Special"><-</span> add <span class="Constant">2</span>
<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">loop</span>
<span id="L23" class="LineNr"> 23 </span> <span class="Delimiter">}</span>
<span id="L24" class="LineNr"> 24 </span><span class="Delimiter">}</span>
<span id="L25" class="LineNr"> 25 </span>
<span id="L26" class="LineNr"> 26 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L26'>draw-horizontal-line</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row: int, col1: int, col2: int <span class="Delimiter">{</span>
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">var</span> col/eax: int <span class="Special"><-</span> copy col1
<span id="L28" class="LineNr"> 28 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">{</span>
<span id="L30" class="LineNr"> 30 </span> compare col, col2
<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">break-if->=</span>
<span id="L32" class="LineNr"> 32 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2500</span>
<span id="L33" class="LineNr"> 33 </span> col <span class="Special"><-</span> increment
<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">loop</span>
<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span>
<span id="L36" class="LineNr"> 36 </span><span class="Delimiter">}</span>
<span id="L37" class="LineNr"> 37 </span>
<span id="L38" class="LineNr"> 38 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L38'>draw-vertical-line</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row1: int, row2: int, col: int <span class="Delimiter">{</span>
<span id="L39" class="LineNr"> 39 </span> <span class="PreProc">var</span> row/eax: int <span class="Special"><-</span> copy row1
<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">{</span>
<span id="L41" class="LineNr"> 41 </span> compare row, row2
<span id="L42" class="LineNr"> 42 </span> <span class="PreProc">break-if->=</span>
<span id="L43" class="LineNr"> 43 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L44" class="LineNr"> 44 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2502</span>
<span id="L45" class="LineNr"> 45 </span> row <span class="Special"><-</span> increment
<span id="L46" class="LineNr"> 46 </span> <span class="PreProc">loop</span>
<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span>
<span id="L48" class="LineNr"> 48 </span><span class="Delimiter">}</span>
<span id="L49" class="LineNr"> 49 </span>
<span id="L50" class="LineNr"> 50 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L50'>draw-top-left-corner</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row: int, col: int <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L52" class="LineNr"> 52 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x250c</span>
<span id="L53" class="LineNr"> 53 </span><span class="Delimiter">}</span>
<span id="L54" class="LineNr"> 54 </span>
<span id="L55" class="LineNr"> 55 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L55'>draw-top-right-corner</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row: int, col: int <span class="Delimiter">{</span>
<span id="L56" class="LineNr"> 56 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L57" class="LineNr"> 57 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2510</span>
<span id="L58" class="LineNr"> 58 </span><span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span>
<span id="L60" class="LineNr"> 60 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L60'>draw-bottom-left-corner</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row: int, col: int <span class="Delimiter">{</span>
<span id="L61" class="LineNr"> 61 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L62" class="LineNr"> 62 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2514</span>
<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">}</span>
<span id="L64" class="LineNr"> 64 </span>
<span id="L65" class="LineNr"> 65 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L65'>draw-bottom-right-corner</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row: int, col: int <span class="Delimiter">{</span>
<span id="L66" class="LineNr"> 66 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, row, col
<span id="L67" class="LineNr"> 67 </span> <a href='../405screen.mu.html#L435'>print-code-point</a> <a href='../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2518</span>
<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span>
<span id="L69" class="LineNr"> 69 </span>
<span id="L70" class="LineNr"> 70 </span><span class="muComment"># erase parts of screen the slow way</span>
<span id="L71" class="LineNr"> 71 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L71'>clear-rect</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row1: int, col1: int, row2: int, col2: int <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> i/eax: int <span class="Special"><-</span> copy row1
<span id="L73" class="LineNr"> 73 </span> <span class="Delimiter">{</span>
<span id="L74" class="LineNr"> 74 </span> compare i, row2
<span id="L75" class="LineNr"> 75 </span> <span class="PreProc">break-if-></span>
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> j/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy col1
<span id="L77" class="LineNr"> 77 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, i, j
<span id="L78" class="LineNr"> 78 </span> <span class="Delimiter">{</span>
<span id="L79" class="LineNr"> 79 </span> compare j, col2
<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">break-if-></span>
<span id="L81" class="LineNr"> 81 </span> <a href='../405screen.mu.html#L214'>print-grapheme</a> <a href='../405screen.mu.html#L9'>screen</a> <span class="Constant">0x20</span>/space
<span id="L82" class="LineNr"> 82 </span> j <span class="Special"><-</span> increment
<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">loop</span>
<span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span>
<span id="L85" class="LineNr"> 85 </span> i <span class="Special"><-</span> increment
<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">loop</span>
<span id="L87" class="LineNr"> 87 </span> <span class="Delimiter">}</span>
<span id="L88" class="LineNr"> 88 </span><span class="Delimiter">}</span>
<span id="L89" class="LineNr"> 89 </span>
<span id="L90" class="LineNr"> 90 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='box.mu.html#L90'>clear-rect2</a></span> <a href='../405screen.mu.html#L9'>screen</a>: (addr <a href='../405screen.mu.html#L9'>screen</a>), row1: int, col1: int, w: int, h: int <span class="Delimiter">{</span>
<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">var</span> i/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> curr-row/<span class="muRegEsi">esi</span>: int <span class="Special"><-</span> copy row1
<span id="L93" class="LineNr"> 93 </span> <span class="Delimiter">{</span>
<span id="L94" class="LineNr"> 94 </span> compare i, w
<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">break-if->=</span>
<span id="L96" class="LineNr"> 96 </span> <a href='../405screen.mu.html#L109'>move-cursor</a> <a href='../405screen.mu.html#L9'>screen</a>, curr-row, col1
<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">var</span> j/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">{</span>
<span id="L99" class="LineNr"> 99 </span> compare j, h
<span id="L100" class="LineNr">100 </span> <span class="PreProc">break-if->=</span>
<span id="L101" class="LineNr">101 </span> <a href='../405screen.mu.html#L214'>print-grapheme</a> <a href='../405screen.mu.html#L9'>screen</a> <span class="Constant">0x20</span>/space
<span id="L102" class="LineNr">102 </span> j <span class="Special"><-</span> increment
<span id="L103" class="LineNr">103 </span> <span class="PreProc">loop</span>
<span id="L104" class="LineNr">104 </span> <span class="Delimiter">}</span>
<span id="L105" class="LineNr">105 </span> i <span class="Special"><-</span> increment
<span id="L106" class="LineNr">106 </span> curr-row <span class="Special"><-</span> increment
<span id="L107" class="LineNr">107 </span> <span class="PreProc">loop</span>
<span id="L108" class="LineNr">108 </span> <span class="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span><span class="Delimiter">}</span>
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