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<a href='https://github.com/akkartik/mu/blob/main/shell/environment.mu'>https://github.com/akkartik/mu/blob/main/shell/environment.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="PreProc">type</span> <a href='environment.mu.html#L1'>environment</a> <span class="Delimiter">{</span>
<span id="L2" class="LineNr"> 2 </span> globals: <a href='global.mu.html#L1'>global-table</a>
<span id="L3" class="LineNr"> 3 </span> <a href='sandbox.mu.html#L1'>sandbox</a>: <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L4" class="LineNr"> 4 </span> partial-function-name: (handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>)
<span id="L5" class="LineNr"> 5 </span> cursor-in-globals?: boolean
<span id="L6" class="LineNr"> 6 </span> cursor-in-function-modal?: boolean
<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">}</span>
<span id="L8" class="LineNr"> 8 </span>
<span id="L9" class="LineNr"> 9 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L9'>initialize-environment</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
<span id="L10" class="LineNr"> 10 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L11" class="LineNr"> 11 </span> <span class="PreProc">var</span> globals/<span class="muRegEax">eax</span>: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Special"><-</span> get self, globals
<span id="L12" class="LineNr"> 12 </span> <a href='global.mu.html#L13'>initialize-globals</a> globals
<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEax">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L14" class="LineNr"> 14 </span> <a href='sandbox.mu.html#L12'>initialize-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">1</span>/with-screen
<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> partial-function-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get self, partial-function-name
<span id="L16" class="LineNr"> 16 </span> <a href='../120allocate.subx.html#L43'>allocate</a> partial-function-name-ah
<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> partial-function-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-function-name-ah
<span id="L18" class="LineNr"> 18 </span> <a href='gap-buffer.mu.html#L11'>initialize-gap-buffer</a> partial-function-name, <span class="Constant">0x40</span>/function-name-capacity
<span id="L19" class="LineNr"> 19 </span><span class="Delimiter">}</span>
<span id="L20" class="LineNr"> 20 </span>
<span id="L21" class="LineNr"> 21 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L21'>render-environment</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
<span id="L22" class="LineNr"> 22 </span> <span class="muComment"># globals layout: 1 char padding, 41 code, 1 padding, 41 code, 1 padding = 85</span>
<span id="L23" class="LineNr"> 23 </span> <span class="muComment"># sandbox layout: 1 padding, 41 code, 1 padding = 43</span>
<span id="L24" class="LineNr"> 24 </span> <span class="muComment"># total = 128 chars</span>
<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">var</span> cursor-in-globals?/<span class="muRegEax">eax</span>: boolean <span class="Special"><-</span> copy *cursor-in-globals-a
<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> globals/<span class="muRegEcx">ecx</span>: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Special"><-</span> get self, globals
<span id="L29" class="LineNr"> 29 </span> <a href='global.mu.html#L116'>render-globals</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, globals, cursor-in-globals?
<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEdx">edx</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> cursor-in-sandbox?/<span class="muRegEbx">ebx</span>: boolean <span class="Special"><-</span> copy <span class="Constant">1</span>/true
<span id="L32" class="LineNr"> 32 </span> cursor-in-sandbox? <span class="Special"><-</span> subtract cursor-in-globals?
<span id="L33" class="LineNr"> 33 </span> <a href='sandbox.mu.html#L81'>render-sandbox</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">0x55</span>/sandbox-left-margin, <span class="Constant">0</span>/sandbox-top-margin, <span class="Constant">0x80</span>/screen-width, <span class="Constant">0x2f</span>/screen-height-without-menu, cursor-in-sandbox?
<span id="L34" class="LineNr"> 34 </span> <span class="muComment"># modal if necessary</span>
<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">{</span>
<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L37" class="LineNr"> 37 </span> compare *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L38" class="LineNr"> 38 </span> <span class="PreProc">break-if-=</span>
<span id="L39" class="LineNr"> 39 </span> <a href='environment.mu.html#L248'>render-function-modal</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
<span id="L40" class="LineNr"> 40 </span> <a href='environment.mu.html#L300'>render-function-modal-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">return</span>
<span id="L42" class="LineNr"> 42 </span> <span class="Delimiter">}</span>
<span id="L43" class="LineNr"> 43 </span> <span class="muComment"># render menu</span>
<span id="L44" class="LineNr"> 44 </span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span> <span class="PreProc">var</span> cursor-in-globals?/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L46" class="LineNr"> 46 </span> compare *cursor-in-globals?, <span class="Constant">0</span>/false
<span id="L47" class="LineNr"> 47 </span> <span class="PreProc">break-if-=</span>
<span id="L48" class="LineNr"> 48 </span> <a href='global.mu.html#L194'>render-globals-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, globals
<span id="L49" class="LineNr"> 49 </span> <span class="PreProc">return</span>
<span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span>
<span id="L51" class="LineNr"> 51 </span> <a href='sandbox.mu.html#L130'>render-sandbox-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span>
<span id="L53" class="LineNr"> 53 </span>
<span id="L54" class="LineNr"> 54 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L54'>edit-environment</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), key: grapheme, data-disk: (addr disk) <span class="Delimiter">{</span>
<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">var</span> globals/<span class="muRegEdi">edi</span>: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Special"><-</span> get self, globals
<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEcx">ecx</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L58" class="LineNr"> 58 </span> <span class="muComment"># ctrl-r</span>
<span id="L59" class="LineNr"> 59 </span> <span class="muComment"># Assumption: 'real-screen' and 'real-keyboard' are 0</span>
<span id="L60" class="LineNr"> 60 </span> <span class="Delimiter">{</span>
<span id="L61" class="LineNr"> 61 </span> compare key, <span class="Constant">0x12</span>/ctrl-r
<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">break-if-!=</span>
<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">var</span> tmp/<span class="muRegEax">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">var</span> <a href='cell.mu.html#L121'>nil</a>: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L65" class="LineNr"> 65 </span> tmp <span class="Special"><-</span> address <a href='cell.mu.html#L121'>nil</a>
<span id="L66" class="LineNr"> 66 </span> <a href='cell.mu.html#L102'>allocate-pair</a> tmp
<span id="L67" class="LineNr"> 67 </span> <span class="muComment"># (main real-screen real-keyboard)</span>
<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> real-keyboard: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L69" class="LineNr"> 69 </span> tmp <span class="Special"><-</span> address real-keyboard
<span id="L70" class="LineNr"> 70 </span> <a href='cell.mu.html#L177'>allocate-keyboard</a> tmp
<span id="L71" class="LineNr"> 71 </span> <span class="muComment"># args = cons(real-keyboard, nil)</span>
<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> args: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L73" class="LineNr"> 73 </span> tmp <span class="Special"><-</span> address args
<span id="L74" class="LineNr"> 74 </span> <a href='cell.mu.html#L116'>new-pair</a> tmp, real-keyboard, <a href='cell.mu.html#L121'>nil</a>
<span id="L75" class="LineNr"> 75 </span> <span class="muComment">#</span>
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> real-screen: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L77" class="LineNr"> 77 </span> tmp <span class="Special"><-</span> address real-screen
<span id="L78" class="LineNr"> 78 </span> <a href='cell.mu.html#L146'>allocate-screen</a> tmp
<span id="L79" class="LineNr"> 79 </span> <span class="muComment"># args = cons(real-screen, args)</span>
<span id="L80" class="LineNr"> 80 </span> tmp <span class="Special"><-</span> address args
<span id="L81" class="LineNr"> 81 </span> <a href='cell.mu.html#L116'>new-pair</a> tmp, real-screen, *tmp
<span id="L82" class="LineNr"> 82 </span> <span class="muComment">#</span>
<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">var</span> <a href='main.mu.html#L4'>main</a>: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L84" class="LineNr"> 84 </span> tmp <span class="Special"><-</span> address <a href='main.mu.html#L4'>main</a>
<span id="L85" class="LineNr"> 85 </span> <a href='cell.mu.html#L39'>new-symbol</a> tmp, <span class="Constant">"main"</span>
<span id="L86" class="LineNr"> 86 </span> <span class="muComment"># args = cons(main, args)</span>
<span id="L87" class="LineNr"> 87 </span> tmp <span class="Special"><-</span> address args
<span id="L88" class="LineNr"> 88 </span> <a href='cell.mu.html#L116'>new-pair</a> tmp, <a href='main.mu.html#L4'>main</a>, *tmp
<span id="L89" class="LineNr"> 89 </span> <span class="muComment"># clear real screen</span>
<span id="L90" class="LineNr"> 90 </span> <a href='../500fake-screen.mu.html#L231'>clear-screen</a> <span class="Constant">0</span>/screen
<span id="L91" class="LineNr"> 91 </span> <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>, <span class="Constant">0</span>
<span id="L92" class="LineNr"> 92 </span> <span class="muComment"># run</span>
<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> out: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> out-ah/<span class="muRegEcx">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address out
<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> trace-storage: trace
<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">var</span> trace/<span class="muRegEbx">ebx</span>: (addr trace) <span class="Special"><-</span> address trace-storage
<span id="L97" class="LineNr"> 97 </span> <a href='trace.mu.html#L61'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
<span id="L98" class="LineNr"> 98 </span> <a href='evaluate.mu.html#L8'>evaluate</a> tmp, out-ah, <a href='cell.mu.html#L121'>nil</a>, globals, trace, <span class="Constant">0</span>/no-fake-screen, <span class="Constant">0</span>/no-fake-keyboard, <span class="Constant">0</span>/call-number
<span id="L99" class="LineNr"> 99 </span> <span class="muComment"># wait for a keypress</span>
<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span>
<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> tmp/<span class="muRegEax">eax</span>: byte <span class="Special"><-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> <span class="Constant">0</span>/keyboard
<span id="L102" class="LineNr">102 </span> compare tmp, <span class="Constant">0</span>
<span id="L103" class="LineNr">103 </span> <span class="PreProc">loop-if-=</span>
<span id="L104" class="LineNr">104 </span> <span class="Delimiter">}</span>
<span id="L105" class="LineNr">105 </span> <span class="muComment">#</span>
<span id="L106" class="LineNr">106 </span> <span class="PreProc">return</span>
<span id="L107" class="LineNr">107 </span> <span class="Delimiter">}</span>
<span id="L108" class="LineNr">108 </span> <span class="muComment"># ctrl-s: send multiple places</span>
<span id="L109" class="LineNr">109 </span> <span class="Delimiter">{</span>
<span id="L110" class="LineNr">110 </span> compare key, <span class="Constant">0x13</span>/ctrl-s
<span id="L111" class="LineNr">111 </span> <span class="PreProc">break-if-!=</span>
<span id="L112" class="LineNr">112 </span> <span class="Delimiter">{</span>
<span id="L113" class="LineNr">113 </span> <span class="muComment"># cursor in function modal? do nothing</span>
<span id="L114" class="LineNr">114 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L115" class="LineNr">115 </span> compare *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L116" class="LineNr">116 </span> <span class="PreProc">break-if-!=</span>
<span id="L117" class="LineNr">117 </span> <span class="Delimiter">{</span>
<span id="L118" class="LineNr">118 </span> <span class="muComment"># cursor in globals? update current definition</span>
<span id="L119" class="LineNr">119 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEdx">edx</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L120" class="LineNr">120 </span> compare *cursor-in-globals-a, <span class="Constant">0</span>/false
<span id="L121" class="LineNr">121 </span> <span class="PreProc">break-if-=</span>
<span id="L122" class="LineNr">122 </span> <a href='global.mu.html#L221'>edit-globals</a> globals, key
<span id="L123" class="LineNr">123 </span> <span class="Delimiter">}</span>
<span id="L124" class="LineNr">124 </span> <span class="muComment"># update sandbox whether the cursor is in globals or sandbox</span>
<span id="L125" class="LineNr">125 </span> <a href='sandbox.mu.html#L473'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk, <span class="Constant">1</span>/tweak-real-screen
<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span> <span class="PreProc">return</span>
<span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span>
<span id="L129" class="LineNr">129 </span> <span class="muComment"># ctrl-g: go to a function (or the repl)</span>
<span id="L130" class="LineNr">130 </span> <span class="Delimiter">{</span>
<span id="L131" class="LineNr">131 </span> compare key, <span class="Constant">7</span>/ctrl-g
<span id="L132" class="LineNr">132 </span> <span class="PreProc">break-if-!=</span>
<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L134" class="LineNr">134 </span> compare *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L135" class="LineNr">135 </span> <span class="PreProc">break-if-!=</span>
<span id="L136" class="LineNr">136 </span> <span class="muComment"># look for a word to prepopulate the modal</span>
<span id="L137" class="LineNr">137 </span> <span class="PreProc">var</span> current-word-storage: (stream byte <span class="Constant">0x40</span>)
<span id="L138" class="LineNr">138 </span> <span class="PreProc">var</span> current-word/<span class="muRegEdi">edi</span>: (addr stream byte) <span class="Special"><-</span> address current-word-storage
<span id="L139" class="LineNr">139 </span> <a href='environment.mu.html#L215'>word-at-cursor</a> self, current-word
<span id="L140" class="LineNr">140 </span> <span class="PreProc">var</span> partial-function-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get self, partial-function-name
<span id="L141" class="LineNr">141 </span> <span class="PreProc">var</span> partial-function-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-function-name-ah
<span id="L142" class="LineNr">142 </span> <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> partial-function-name
<span id="L143" class="LineNr">143 </span> <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> partial-function-name, current-word
<span id="L144" class="LineNr">144 </span> <span class="muComment"># enable the modal</span>
<span id="L145" class="LineNr">145 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L146" class="LineNr">146 </span> copy-to *cursor-in-function-modal-a, <span class="Constant">1</span>/true
<span id="L147" class="LineNr">147 </span> <span class="PreProc">return</span>
<span id="L148" class="LineNr">148 </span> <span class="Delimiter">}</span>
<span id="L149" class="LineNr">149 </span> <span class="muComment"># dispatch to function modal if necessary</span>
<span id="L150" class="LineNr">150 </span> <span class="Delimiter">{</span>
<span id="L151" class="LineNr">151 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L152" class="LineNr">152 </span> compare *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L153" class="LineNr">153 </span> <span class="PreProc">break-if-=</span>
<span id="L154" class="LineNr">154 </span> <span class="muComment"># nested events for modal dialog</span>
<span id="L155" class="LineNr">155 </span> <span class="muComment"># ignore spaces</span>
<span id="L156" class="LineNr">156 </span> <span class="Delimiter">{</span>
<span id="L157" class="LineNr">157 </span> compare key, <span class="Constant">0x20</span>/space
<span id="L158" class="LineNr">158 </span> <span class="PreProc">break-if-!=</span>
<span id="L159" class="LineNr">159 </span> <span class="PreProc">return</span>
<span id="L160" class="LineNr">160 </span> <span class="Delimiter">}</span>
<span id="L161" class="LineNr">161 </span> <span class="muComment"># esc = exit modal dialog</span>
<span id="L162" class="LineNr">162 </span> <span class="Delimiter">{</span>
<span id="L163" class="LineNr">163 </span> compare key, <span class="Constant">0x1b</span>/escape
<span id="L164" class="LineNr">164 </span> <span class="PreProc">break-if-!=</span>
<span id="L165" class="LineNr">165 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L166" class="LineNr">166 </span> copy-to *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L167" class="LineNr">167 </span> <span class="PreProc">return</span>
<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span>
<span id="L169" class="LineNr">169 </span> <span class="muComment"># enter = switch to function name and exit modal dialog</span>
<span id="L170" class="LineNr">170 </span> <span class="Delimiter">{</span>
<span id="L171" class="LineNr">171 </span> compare key, <span class="Constant">0xa</span>/newline
<span id="L172" class="LineNr">172 </span> <span class="PreProc">break-if-!=</span>
<span id="L173" class="LineNr">173 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEdx">edx</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L174" class="LineNr">174 </span> copy-to *cursor-in-globals-a, <span class="Constant">1</span>/true
<span id="L175" class="LineNr">175 </span> <span class="PreProc">var</span> partial-function-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get self, partial-function-name
<span id="L176" class="LineNr">176 </span> <span class="PreProc">var</span> partial-function-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-function-name-ah
<span id="L177" class="LineNr">177 </span> <span class="Delimiter">{</span>
<span id="L178" class="LineNr">178 </span> <span class="Delimiter">{</span>
<span id="L179" class="LineNr">179 </span> <span class="PreProc">var</span> empty?/<span class="muRegEax">eax</span>: boolean <span class="Special"><-</span> <a href='gap-buffer.mu.html#L27'>gap-buffer-empty?</a> partial-function-name
<span id="L180" class="LineNr">180 </span> compare empty?, <span class="Constant">0</span>/false
<span id="L181" class="LineNr">181 </span> <span class="Delimiter">}</span>
<span id="L182" class="LineNr">182 </span> <span class="PreProc">break-if-!=</span>
<span id="L183" class="LineNr">183 </span> <a href='global.mu.html#L581'>set-global-cursor-index</a> globals, partial-function-name
<span id="L184" class="LineNr">184 </span> <span class="Delimiter">}</span>
<span id="L185" class="LineNr">185 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEcx">ecx</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L186" class="LineNr">186 </span> copy-to *cursor-in-globals-a, <span class="Constant">1</span>/true
<span id="L187" class="LineNr">187 </span> <span class="Delimiter">{</span>
<span id="L188" class="LineNr">188 </span> <span class="PreProc">var</span> empty?/<span class="muRegEax">eax</span>: boolean <span class="Special"><-</span> <a href='gap-buffer.mu.html#L27'>gap-buffer-empty?</a> partial-function-name
<span id="L189" class="LineNr">189 </span> compare empty?, <span class="Constant">0</span>/false
<span id="L190" class="LineNr">190 </span> <span class="PreProc">break-if-=</span>
<span id="L191" class="LineNr">191 </span> copy-to *cursor-in-globals-a, <span class="Constant">0</span>/false
<span id="L192" class="LineNr">192 </span> <span class="Delimiter">}</span>
<span id="L193" class="LineNr">193 </span> <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> partial-function-name
<span id="L194" class="LineNr">194 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L195" class="LineNr">195 </span> copy-to *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L196" class="LineNr">196 </span> <span class="PreProc">return</span>
<span id="L197" class="LineNr">197 </span> <span class="Delimiter">}</span>
<span id="L198" class="LineNr">198 </span> <span class="muComment"># otherwise process like a regular gap-buffer</span>
<span id="L199" class="LineNr">199 </span> <span class="PreProc">var</span> partial-function-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get self, partial-function-name
<span id="L200" class="LineNr">200 </span> <span class="PreProc">var</span> partial-function-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-function-name-ah
<span id="L201" class="LineNr">201 </span> <a href='gap-buffer.mu.html#L1184'>edit-gap-buffer</a> partial-function-name, key
<span id="L202" class="LineNr">202 </span> <span class="PreProc">return</span>
<span id="L203" class="LineNr">203 </span> <span class="Delimiter">}</span>
<span id="L204" class="LineNr">204 </span> <span class="muComment"># dispatch the key to either sandbox or globals</span>
<span id="L205" class="LineNr">205 </span> <span class="Delimiter">{</span>
<span id="L206" class="LineNr">206 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L207" class="LineNr">207 </span> compare *cursor-in-globals-a, <span class="Constant">0</span>/false
<span id="L208" class="LineNr">208 </span> <span class="PreProc">break-if-=</span>
<span id="L209" class="LineNr">209 </span> <a href='global.mu.html#L221'>edit-globals</a> globals, key
<span id="L210" class="LineNr">210 </span> <span class="PreProc">return</span>
<span id="L211" class="LineNr">211 </span> <span class="Delimiter">}</span>
<span id="L212" class="LineNr">212 </span> <a href='sandbox.mu.html#L473'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk, <span class="Constant">1</span>/tweak-real-screen
<span id="L213" class="LineNr">213 </span><span class="Delimiter">}</span>
<span id="L214" class="LineNr">214 </span>
<span id="L215" class="LineNr">215 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L215'>word-at-cursor</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), out: (addr stream byte) <span class="Delimiter">{</span>
<span id="L216" class="LineNr">216 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L217" class="LineNr">217 </span> <span class="PreProc">var</span> cursor-in-function-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-function-modal?
<span id="L218" class="LineNr">218 </span> compare *cursor-in-function-modal-a, <span class="Constant">0</span>/false
<span id="L219" class="LineNr">219 </span> <span class="Delimiter">{</span>
<span id="L220" class="LineNr">220 </span> <span class="PreProc">break-if-=</span>
<span id="L221" class="LineNr">221 </span> <span class="muComment"># cursor in function modal</span>
<span id="L222" class="LineNr">222 </span> <span class="PreProc">return</span>
<span id="L223" class="LineNr">223 </span> <span class="Delimiter">}</span>
<span id="L224" class="LineNr">224 </span> <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEdx">edx</span>: (addr boolean) <span class="Special"><-</span> get self, cursor-in-globals?
<span id="L225" class="LineNr">225 </span> compare *cursor-in-globals-a, <span class="Constant">0</span>/false
<span id="L226" class="LineNr">226 </span> <span class="Delimiter">{</span>
<span id="L227" class="LineNr">227 </span> <span class="PreProc">break-if-=</span>
<span id="L228" class="LineNr">228 </span> <span class="muComment"># cursor in some function editor</span>
<span id="L229" class="LineNr">229 </span> <span class="PreProc">var</span> globals/<span class="muRegEax">eax</span>: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Special"><-</span> get self, globals
<span id="L230" class="LineNr">230 </span> <span class="PreProc">var</span> cursor-index-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get globals, cursor-index
<span id="L231" class="LineNr">231 </span> <span class="PreProc">var</span> cursor-index/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *cursor-index-addr
<span id="L232" class="LineNr">232 </span> <span class="PreProc">var</span> globals-data-ah/<span class="muRegEax">eax</span>: (addr handle array <a href='global.mu.html#L7'>global</a>) <span class="Special"><-</span> get globals, data
<span id="L233" class="LineNr">233 </span> <span class="PreProc">var</span> globals-data/<span class="muRegEax">eax</span>: (addr array <a href='global.mu.html#L7'>global</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-data-ah
<span id="L234" class="LineNr">234 </span> <span class="PreProc">var</span> cursor-offset/<span class="muRegEcx">ecx</span>: (offset <a href='global.mu.html#L7'>global</a>) <span class="Special"><-</span> compute-offset globals-data, cursor-index
<span id="L235" class="LineNr">235 </span> <span class="PreProc">var</span> curr-global/<span class="muRegEax">eax</span>: (addr <a href='global.mu.html#L7'>global</a>) <span class="Special"><-</span> index globals-data, cursor-offset
<span id="L236" class="LineNr">236 </span> <span class="PreProc">var</span> curr-global-data-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get curr-global, input
<span id="L237" class="LineNr">237 </span> <span class="PreProc">var</span> curr-global-data/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-global-data-ah
<span id="L238" class="LineNr">238 </span> <a href='gap-buffer.mu.html#L133'>word-at-gap</a> curr-global-data, out
<span id="L239" class="LineNr">239 </span> <span class="PreProc">return</span>
<span id="L240" class="LineNr">240 </span> <span class="Delimiter">}</span>
<span id="L241" class="LineNr">241 </span> <span class="muComment"># cursor in sandbox</span>
<span id="L242" class="LineNr">242 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEcx">ecx</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L243" class="LineNr">243 </span> <span class="PreProc">var</span> sandbox-data-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
<span id="L244" class="LineNr">244 </span> <span class="PreProc">var</span> sandbox-data/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-data-ah
<span id="L245" class="LineNr">245 </span> <a href='gap-buffer.mu.html#L133'>word-at-gap</a> sandbox-data, out
<span id="L246" class="LineNr">246 </span><span class="Delimiter">}</span>
<span id="L247" class="LineNr">247 </span>
<span id="L248" class="LineNr">248 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L248'>render-function-modal</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
<span id="L249" class="LineNr">249 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L250" class="LineNr">250 </span> <span class="PreProc">var</span> width/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L251" class="LineNr">251 </span> <span class="PreProc">var</span> height/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L252" class="LineNr">252 </span> width, height <span class="Special"><-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L253" class="LineNr">253 </span> <span class="muComment"># xmin = max(0, width/2 - 0x20)</span>
<span id="L254" class="LineNr">254 </span> <span class="PreProc">var</span> xmin: int
<span id="L255" class="LineNr">255 </span> <span class="PreProc">var</span> tmp/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy width
<span id="L256" class="LineNr">256 </span> tmp <span class="Special"><-</span> shift-right <span class="Constant">1</span>
<span id="L257" class="LineNr">257 </span> tmp <span class="Special"><-</span> subtract <span class="Constant">0x20</span>/half-function-name-capacity
<span id="L258" class="LineNr">258 </span> <span class="Delimiter">{</span>
<span id="L259" class="LineNr">259 </span> compare tmp, <span class="Constant">0</span>
<span id="L260" class="LineNr">260 </span> <span class="PreProc">break-if->=</span>
<span id="L261" class="LineNr">261 </span> tmp <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L262" class="LineNr">262 </span> <span class="Delimiter">}</span>
<span id="L263" class="LineNr">263 </span> copy-to xmin, tmp
<span id="L264" class="LineNr">264 </span> <span class="muComment"># xmax = min(width, width/2 + 0x20)</span>
<span id="L265" class="LineNr">265 </span> <span class="PreProc">var</span> xmax: int
<span id="L266" class="LineNr">266 </span> tmp <span class="Special"><-</span> copy width
<span id="L267" class="LineNr">267 </span> tmp <span class="Special"><-</span> shift-right <span class="Constant">1</span>
<span id="L268" class="LineNr">268 </span> tmp <span class="Special"><-</span> add <span class="Constant">0x20</span>/half-function-name-capacity
<span id="L269" class="LineNr">269 </span> <span class="Delimiter">{</span>
<span id="L270" class="LineNr">270 </span> compare tmp, width
<span id="L271" class="LineNr">271 </span> <span class="PreProc">break-if-<=</span>
<span id="L272" class="LineNr">272 </span> tmp <span class="Special"><-</span> copy width
<span id="L273" class="LineNr">273 </span> <span class="Delimiter">}</span>
<span id="L274" class="LineNr">274 </span> copy-to xmax, tmp
<span id="L275" class="LineNr">275 </span> <span class="muComment"># ymin = height/2 - 2</span>
<span id="L276" class="LineNr">276 </span> <span class="PreProc">var</span> ymin: int
<span id="L277" class="LineNr">277 </span> tmp <span class="Special"><-</span> copy height
<span id="L278" class="LineNr">278 </span> tmp <span class="Special"><-</span> shift-right <span class="Constant">1</span>
<span id="L279" class="LineNr">279 </span> tmp <span class="Special"><-</span> subtract <span class="Constant">2</span>
<span id="L280" class="LineNr">280 </span> copy-to ymin, tmp
<span id="L281" class="LineNr">281 </span> <span class="muComment"># ymax = height/2 + 1</span>
<span id="L282" class="LineNr">282 </span> <span class="PreProc">var</span> ymax: int
<span id="L283" class="LineNr">283 </span> tmp <span class="Special"><-</span> add <span class="Constant">3</span>
<span id="L284" class="LineNr">284 </span> copy-to ymax, tmp
<span id="L285" class="LineNr">285 </span> <span class="muComment">#</span>
<span id="L286" class="LineNr">286 </span> <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin, xmax, ymax, <span class="Constant">0xf</span>/bg=modal
<span id="L287" class="LineNr">287 </span> add-to xmin, <span class="Constant">4</span>
<span id="L288" class="LineNr">288 </span> <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin
<span id="L289" class="LineNr">289 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"go to function (or leave blank to go to REPL)"</span>, xmax, <span class="Constant">8</span>/fg=dark-grey, <span class="Constant">0xf</span>/bg=modal
<span id="L290" class="LineNr">290 </span> <span class="PreProc">var</span> partial-function-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get self, partial-function-name
<span id="L291" class="LineNr">291 </span> <span class="PreProc">var</span> _partial-function-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-function-name-ah
<span id="L292" class="LineNr">292 </span> <span class="PreProc">var</span> partial-function-name/<span class="muRegEdx">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> copy _partial-function-name
<span id="L293" class="LineNr">293 </span> subtract-from xmin, <span class="Constant">4</span>
<span id="L294" class="LineNr">294 </span> add-to ymin <span class="Constant">2</span>
<span id="L295" class="LineNr">295 </span> <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L296" class="LineNr">296 </span> <span class="PreProc">var</span> dummy2/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L297" class="LineNr">297 </span> dummy, dummy2 <span class="Special"><-</span> <a href='gap-buffer.mu.html#L386'>render-gap-buffer-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, partial-function-name, xmin, ymin, xmax, ymax, <span class="Constant">1</span>/always-render-cursor, <span class="Constant">0</span>/fg=black, <span class="Constant">0xf</span>/bg=modal
<span id="L298" class="LineNr">298 </span><span class="Delimiter">}</span>
<span id="L299" class="LineNr">299 </span>
<span id="L300" class="LineNr">300 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L300'>render-function-modal-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _self: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
<span id="L301" class="LineNr">301 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L302" class="LineNr">302 </span> <span class="PreProc">var</span> _width/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L303" class="LineNr">303 </span> <span class="PreProc">var</span> height/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L304" class="LineNr">304 </span> _width, height <span class="Special"><-</span> <a href='../500fake-screen.mu.html#L70'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L305" class="LineNr">305 </span> <span class="PreProc">var</span> width/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy _width
<span id="L306" class="LineNr">306 </span> <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy height
<span id="L307" class="LineNr">307 </span> y <span class="Special"><-</span> decrement
<span id="L308" class="LineNr">308 </span> <span class="PreProc">var</span> height/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy y
<span id="L309" class="LineNr">309 </span> height <span class="Special"><-</span> increment
<span id="L310" class="LineNr">310 </span> <a href='../500fake-screen.mu.html#L333'>clear-rect</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, width, height, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L311" class="LineNr">311 </span> <a href='../500fake-screen.mu.html#L170'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
<span id="L312" class="LineNr">312 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^r "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L313" class="LineNr">313 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" <a href='sandbox.mu.html#L645'>run</a> <a href='main.mu.html#L4'>main</a> "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L314" class="LineNr">314 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" enter "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L315" class="LineNr">315 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" submit "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L316" class="LineNr">316 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" esc "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L317" class="LineNr">317 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" cancel "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L318" class="LineNr">318 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^a "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L319" class="LineNr">319 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" << "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L320" class="LineNr">320 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^b "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L321" class="LineNr">321 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" <word "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L322" class="LineNr">322 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^f "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L323" class="LineNr">323 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" word> "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L324" class="LineNr">324 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^e "</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
<span id="L325" class="LineNr">325 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" >> "</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L326" class="LineNr">326 </span><span class="Delimiter">}</span>
<span id="L327" class="LineNr">327 </span>
<span id="L328" class="LineNr">328 </span><span class="muComment"># Gotcha: some saved state may not load.</span>
<span id="L329" class="LineNr">329 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L329'>load-state</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), data-disk: (addr disk) <span class="Delimiter">{</span>
<span id="L330" class="LineNr">330 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L331" class="LineNr">331 </span> <span class="muComment"># data-disk -> stream</span>
<span id="L332" class="LineNr">332 </span> <span class="PreProc">var</span> s-storage: (stream byte <span class="Constant">0x1000</span>) <span class="muComment"># space for 8/sectors</span>
<span id="L333" class="LineNr">333 </span> <span class="PreProc">var</span> s/<span class="muRegEbx">ebx</span>: (addr stream byte) <span class="Special"><-</span> address s-storage
<span id="L334" class="LineNr">334 </span> <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"loading sectors from data disk"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L335" class="LineNr">335 </span> <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L336" class="LineNr">336 </span> <a href='../boot.subx.html#L960'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, s
<span id="L337" class="LineNr">337 </span><span class="CommentedCode">#? draw-stream-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, s, 7/fg, 0xc5/bg=blue-bg</span>
<span id="L338" class="LineNr">338 </span> <span class="muComment"># stream -> gap-buffer (HACK: we temporarily cannibalize the sandbox's gap-buffer)</span>
<span id="L339" class="LineNr">339 </span> <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"parsing"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L340" class="LineNr">340 </span> <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L341" class="LineNr">341 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEax">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L342" class="LineNr">342 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
<span id="L343" class="LineNr">343 </span> <span class="PreProc">var</span> data/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
<span id="L344" class="LineNr">344 </span> <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> data, s
<span id="L345" class="LineNr">345 </span> <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">" into gap buffer"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L346" class="LineNr">346 </span> <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L347" class="LineNr">347 </span> <a href='../106stream.subx.html#L20'>clear-stream</a> s
<span id="L348" class="LineNr">348 </span> <span class="muComment"># read: gap-buffer -> cell</span>
<span id="L349" class="LineNr">349 </span> <span class="PreProc">var</span> initial-root-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L350" class="LineNr">350 </span> <span class="PreProc">var</span> initial-root/<span class="muRegEcx">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address initial-root-storage
<span id="L351" class="LineNr">351 </span> <span class="PreProc">var</span> trace-storage: trace
<span id="L352" class="LineNr">352 </span> <span class="PreProc">var</span> trace/<span class="muRegEdi">edi</span>: (addr trace) <span class="Special"><-</span> address trace-storage
<span id="L353" class="LineNr">353 </span> <a href='trace.mu.html#L61'>initialize-trace</a> trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
<span id="L354" class="LineNr">354 </span> <a href='read.mu.html#L1'>read-cell</a> data, initial-root, trace
<span id="L355" class="LineNr">355 </span> <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">" into s-expressions"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L356" class="LineNr">356 </span> <a href='../501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L357" class="LineNr">357 </span> <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> data
<span id="L358" class="LineNr">358 </span> <span class="muComment">#</span>
<span id="L359" class="LineNr">359 </span> <span class="Delimiter">{</span>
<span id="L360" class="LineNr">360 </span> <span class="PreProc">var</span> initial-root-addr/<span class="muRegEax">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *initial-root
<span id="L361" class="LineNr">361 </span> compare initial-root-addr, <span class="Constant">0</span>
<span id="L362" class="LineNr">362 </span> <span class="PreProc">break-if-!=</span>
<span id="L363" class="LineNr">363 </span> <span class="PreProc">return</span>
<span id="L364" class="LineNr">364 </span> <span class="Delimiter">}</span>
<span id="L365" class="LineNr">365 </span> <span class="muComment"># load globals from assoc(initial-root, 'globals)</span>
<span id="L366" class="LineNr">366 </span> <span class="PreProc">var</span> globals-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L367" class="LineNr">367 </span> <span class="PreProc">var</span> globals-literal-ah/<span class="muRegEax">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address globals-literal-storage
<span id="L368" class="LineNr">368 </span> <a href='cell.mu.html#L39'>new-symbol</a> globals-literal-ah, <span class="Constant">"globals"</span>
<span id="L369" class="LineNr">369 </span> <span class="PreProc">var</span> globals-literal/<span class="muRegEax">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-literal-ah
<span id="L370" class="LineNr">370 </span> <span class="PreProc">var</span> globals-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L371" class="LineNr">371 </span> <span class="PreProc">var</span> globals-cell-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address globals-cell-storage
<span id="L372" class="LineNr">372 </span> <a href='trace.mu.html#L80'>clear-trace</a> trace
<span id="L373" class="LineNr">373 </span> <a href='evaluate.mu.html#L821'>lookup-symbol</a> globals-literal, globals-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
<span id="L374" class="LineNr">374 </span> <span class="PreProc">var</span> globals-cell/<span class="muRegEax">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-cell-ah
<span id="L375" class="LineNr">375 </span> <span class="Delimiter">{</span>
<span id="L376" class="LineNr">376 </span> compare globals-cell, <span class="Constant">0</span>
<span id="L377" class="LineNr">377 </span> <span class="PreProc">break-if-=</span>
<span id="L378" class="LineNr">378 </span> <span class="PreProc">var</span> globals/<span class="muRegEax">eax</span>: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Special"><-</span> get self, globals
<span id="L379" class="LineNr">379 </span> <a href='global.mu.html#L26'>load-globals</a> globals-cell-ah, globals
<span id="L380" class="LineNr">380 </span> <span class="Delimiter">}</span>
<span id="L381" class="LineNr">381 </span> <span class="muComment"># sandbox = assoc(initial-root, 'sandbox)</span>
<span id="L382" class="LineNr">382 </span> <a href='../501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"loading sandbox"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L383" class="LineNr">383 </span> <span class="PreProc">var</span> sandbox-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L384" class="LineNr">384 </span> <span class="PreProc">var</span> sandbox-literal-ah/<span class="muRegEax">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address sandbox-literal-storage
<span id="L385" class="LineNr">385 </span> <a href='cell.mu.html#L39'>new-symbol</a> sandbox-literal-ah, <span class="Constant">"sandbox"</span>
<span id="L386" class="LineNr">386 </span> <span class="PreProc">var</span> sandbox-literal/<span class="muRegEax">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-literal-ah
<span id="L387" class="LineNr">387 </span> <span class="PreProc">var</span> sandbox-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L388" class="LineNr">388 </span> <span class="PreProc">var</span> sandbox-cell-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address sandbox-cell-storage
<span id="L389" class="LineNr">389 </span> <a href='trace.mu.html#L80'>clear-trace</a> trace
<span id="L390" class="LineNr">390 </span> <a href='evaluate.mu.html#L821'>lookup-symbol</a> sandbox-literal, sandbox-cell-ah, *initial-root, <span class="Constant">0</span>/no-globals, trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
<span id="L391" class="LineNr">391 </span> <span class="PreProc">var</span> sandbox-cell/<span class="muRegEax">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-cell-ah
<span id="L392" class="LineNr">392 </span> <span class="Delimiter">{</span>
<span id="L393" class="LineNr">393 </span> compare sandbox-cell, <span class="Constant">0</span>
<span id="L394" class="LineNr">394 </span> <span class="PreProc">break-if-=</span>
<span id="L395" class="LineNr">395 </span> <span class="muComment"># print: cell -> stream</span>
<span id="L396" class="LineNr">396 </span> <a href='trace.mu.html#L80'>clear-trace</a> trace
<span id="L397" class="LineNr">397 </span> <a href='print.mu.html#L7'>print-cell</a> sandbox-cell-ah, s, trace
<span id="L398" class="LineNr">398 </span> <span class="muComment"># stream -> gap-buffer</span>
<span id="L399" class="LineNr">399 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="muRegEax">eax</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L400" class="LineNr">400 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
<span id="L401" class="LineNr">401 </span> <span class="PreProc">var</span> data/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
<span id="L402" class="LineNr">402 </span> <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> data, s
<span id="L403" class="LineNr">403 </span> <span class="Delimiter">}</span>
<span id="L404" class="LineNr">404 </span><span class="Delimiter">}</span>
<span id="L405" class="LineNr">405 </span>
<span id="L406" class="LineNr">406 </span><span class="muComment"># Save state as an alist of alists:</span>
<span id="L407" class="LineNr">407 </span><span class="muComment"># ((globals . ((a . (fn ...))</span>
<span id="L408" class="LineNr">408 </span><span class="muComment"># ...))</span>
<span id="L409" class="LineNr">409 </span><span class="muComment"># (sandbox . ...))</span>
<span id="L410" class="LineNr">410 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L410'>store-state</a></span> data-disk: (addr disk), <a href='sandbox.mu.html#L1'>sandbox</a>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>), globals: (addr <a href='global.mu.html#L1'>global-table</a>) <span class="Delimiter">{</span>
<span id="L411" class="LineNr">411 </span> compare data-disk, <span class="Constant">0</span>/no-disk
<span id="L412" class="LineNr">412 </span> <span class="Delimiter">{</span>
<span id="L413" class="LineNr">413 </span> <span class="PreProc">break-if-!=</span>
<span id="L414" class="LineNr">414 </span> <span class="PreProc">return</span>
<span id="L415" class="LineNr">415 </span> <span class="Delimiter">}</span>
<span id="L416" class="LineNr">416 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x1000</span>) <span class="muComment"># space enough for 8/sectors</span>
<span id="L417" class="LineNr">417 </span> <span class="PreProc">var</span> stream/<span class="muRegEdi">edi</span>: (addr stream byte) <span class="Special"><-</span> address stream-storage
<span id="L418" class="LineNr">418 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">"(\n"</span>
<span id="L419" class="LineNr">419 </span> <a href='global.mu.html#L69'>write-globals</a> stream, globals
<span id="L420" class="LineNr">420 </span> <a href='sandbox.mu.html#L64'>write-sandbox</a> stream, <a href='sandbox.mu.html#L1'>sandbox</a>
<span id="L421" class="LineNr">421 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">")\n"</span>
<span id="L422" class="LineNr">422 </span> <a href='../boot.subx.html#L1023'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">8</span>/sectors, stream
<span id="L423" class="LineNr">423 </span><span class="Delimiter">}</span>
</pre>
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