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<a href='https://github.com/akkartik/mu/blob/master/apps/tile/value-stack.mu'>https://github.com/akkartik/mu/blob/master/apps/tile/value-stack.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># support for non-int values is untested</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="PreProc">type</span> <a href='value-stack.mu.html#L3'>value-stack</a> <span class="Delimiter">{</span>
<span id="L4" class="LineNr"> 4 </span> data: (handle array value)
<span id="L5" class="LineNr"> 5 </span> <a href='../../203stack.subx.html#L338'>top</a>: int
<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='value-stack.mu.html#L8'>initialize-value-stack</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>), n: int <span class="Delimiter">{</span>
<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L10" class="LineNr"> 10 </span> <span class="PreProc">var</span> d/<span class="Constant">edi</span>: (addr handle array value) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L11" class="LineNr"> 11 </span> populate d, n
<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L13" class="LineNr"> 13 </span> copy-to *top, <span class="Constant">0</span>
<span id="L14" class="LineNr"> 14 </span><span class="Delimiter">}</span>
<span id="L15" class="LineNr"> 15 </span>
<span id="L16" class="LineNr"> 16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L16'>clear-value-stack</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="Delimiter">{</span>
<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L19" class="LineNr"> 19 </span> copy-to *top, <span class="Constant">0</span>
<span id="L20" class="LineNr"> 20 </span><span class="Delimiter">}</span>
<span id="L21" class="LineNr"> 21 </span>
<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L22'>push-int-to-value-stack</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>), _val: int <span class="Delimiter">{</span>
<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array value) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy *top-addr
<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> dest-offset/<span class="Constant">edx</span>: (offset value) <span class="SpecialChar"><-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L29" class="LineNr"> 29 </span> <span class="PreProc">var</span> dest-addr/<span class="Constant">edx</span>: (addr value) <span class="SpecialChar"><-</span> index data, dest-offset
<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> dest-addr2/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> dest-addr, scalar-data
<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> val/<span class="Constant">esi</span>: int <span class="SpecialChar"><-</span> copy _val
<span id="L32" class="LineNr"> 32 </span><span class="CommentedCode">#? print-int32-hex-to-real-screen val</span>
<span id="L33" class="LineNr"> 33 </span> copy-to *dest-addr2, val
<span id="L34" class="LineNr"> 34 </span> increment *top-addr
<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">}</span>
<span id="L36" class="LineNr"> 36 </span>
<span id="L37" class="LineNr"> 37 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L37'>push-value-stack</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>), val: (addr value) <span class="Delimiter">{</span>
<span id="L38" class="LineNr"> 38 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L39" class="LineNr"> 39 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array value) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
<span id="L42" class="LineNr"> 42 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy *top-addr
<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> dest-offset/<span class="Constant">edx</span>: (offset value) <span class="SpecialChar"><-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> dest-addr/<span class="Constant">edx</span>: (addr value) <span class="SpecialChar"><-</span> index data, dest-offset
<span id="L45" class="LineNr"> 45 </span> copy-object val, dest-addr
<span id="L46" class="LineNr"> 46 </span> increment *top-addr
<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">}</span>
<span id="L48" class="LineNr"> 48 </span>
<span id="L49" class="LineNr"> 49 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L49'>pop-int-from-value-stack</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>)<span class="PreProc"> -> </span>val/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L50" class="LineNr"> 50 </span>$pop-int-from-value-stack:body: <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L53" class="LineNr"> 53 </span> <span class="Delimiter">{</span>
<span id="L54" class="LineNr"> 54 </span> compare *top-addr, <span class="Constant">0</span>
<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">break-if-></span>
<span id="L56" class="LineNr"> 56 </span> val <span class="SpecialChar"><-</span> copy <span class="Constant">-1</span>
<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">break</span> $pop-int-from-value-stack:body
<span id="L58" class="LineNr"> 58 </span> <span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span> decrement *top-addr
<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array value) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L61" class="LineNr"> 61 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy *top-addr
<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">var</span> dest-offset/<span class="Constant">edx</span>: (offset value) <span class="SpecialChar"><-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">var</span> result-addr/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar"><-</span> index data, dest-offset
<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">var</span> result-addr2/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> result-addr, scalar-data
<span id="L66" class="LineNr"> 66 </span> val <span class="SpecialChar"><-</span> copy *result-addr2
<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">}</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="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L70'>value-stack-empty?</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>)<span class="PreProc"> -> </span>result/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L71" class="LineNr"> 71 </span>$value-stack-empty?:body: <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L74" class="LineNr"> 74 </span> compare *top, <span class="Constant">0</span>
<span id="L75" class="LineNr"> 75 </span> <span class="Delimiter">{</span>
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">break-if-!=</span>
<span id="L77" class="LineNr"> 77 </span> result <span class="SpecialChar"><-</span> copy <span class="Constant">1</span> <span class="muComment"># true</span>
<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">break</span> $value-stack-empty?:body
<span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">}</span>
<span id="L80" class="LineNr"> 80 </span> result <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span class="muComment"># false</span>
<span id="L81" class="LineNr"> 81 </span><span class="Delimiter">}</span>
<span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
<span id="L83" class="LineNr"> 83 </span>
<span id="L84" class="LineNr"> 84 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='value-stack.mu.html#L84'>value-stack-length</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>)<span class="PreProc"> -> </span>result/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L87" class="LineNr"> 87 </span> result <span class="SpecialChar"><-</span> copy *top-addr
<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='value-stack.mu.html#L90'>value-stack-max-width</a></span> _self: (addr <a href='value-stack.mu.html#L3'>value-stack</a>)<span class="PreProc"> -> </span>result/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar"><-</span> copy _self
<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edi</span>: (addr handle array value) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array value) <span class="SpecialChar"><-</span> copy _data
<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">var</span> i/<span class="Constant">ebx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span>
<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">var</span> out: int
<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">{</span>
<span id="L99" class="LineNr"> 99 </span> compare i, *top-addr
<span id="L100" class="LineNr">100 </span> <span class="PreProc">break-if->=</span>
<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> o/<span class="Constant">edx</span>: (offset value) <span class="SpecialChar"><-</span> compute-offset data, i
<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr value) <span class="SpecialChar"><-</span> index data, o
<span id="L103" class="LineNr">103 </span> <span class="PreProc">var</span> g2/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> g, scalar-data
<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> w/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='../../311decimal-int.subx.html#L300'>decimal-size</a> *g2
<span id="L105" class="LineNr">105 </span> compare w, out
<span id="L106" class="LineNr">106 </span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr">107 </span> <span class="PreProc">break-if-<=</span>
<span id="L108" class="LineNr">108 </span> copy-to out, w
<span id="L109" class="LineNr">109 </span> <span class="Delimiter">}</span>
<span id="L110" class="LineNr">110 </span> i <span class="SpecialChar"><-</span> increment
<span id="L111" class="LineNr">111 </span> <span class="PreProc">loop</span>
<span id="L112" class="LineNr">112 </span> <span class="Delimiter">}</span>
<span id="L113" class="LineNr">113 </span> result <span class="SpecialChar"><-</span> copy out
<span id="L114" class="LineNr">114 </span><span class="Delimiter">}</span>
</pre>
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