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Diffstat (limited to 'html/shell/environment.mu.html')
-rw-r--r--html/shell/environment.mu.html1459
1 files changed, 1033 insertions, 426 deletions
diff --git a/html/shell/environment.mu.html b/html/shell/environment.mu.html
index 7fd41c4d..5c0c1ff7 100644
--- a/html/shell/environment.mu.html
+++ b/html/shell/environment.mu.html
@@ -16,18 +16,19 @@ a { color:inherit; }
 * { font-size:12pt; font-size: 1em; }
 .LineNr { }
 .Delimiter { color: #c000c0; }
-.muFunction { color: #af5f00; text-decoration: underline; }
+.CommentedCode { color: #8a8a8a; }
+.muRegEdx { color: #878700; }
 .muRegEbx { color: #8787af; }
 .muRegEsi { color: #87d787; }
 .muRegEdi { color: #87ffd7; }
 .Constant { color: #008787; }
 .Special { color: #ff6060; }
 .PreProc { color: #c000c0; }
-.CommentedCode { color: #8a8a8a; }
+.muFunction { color: #af5f00; text-decoration: underline; }
+.muTest { color: #5f8700; }
 .muComment { color: #005faf; }
 .muRegEax { color: #875f00; }
 .muRegEcx { color: #af875f; }
-.muRegEdx { color: #878700; }
 -->
 </style>
 
@@ -63,429 +64,1035 @@ if ('onhashchange' in window) {
 <body onload='JumpToLine();'>
 <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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</span> copy <span class="Constant">1</span>/true
-<span id="L32" class="LineNr"> 32 </span>  cursor-in-sandbox? <span class="Special">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&quot;main&quot;</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L252" class="LineNr">252 </span>  width, height <span class="Special">&lt;-</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">&lt;-</span> copy width
-<span id="L256" class="LineNr">256 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
-<span id="L257" class="LineNr">257 </span>  tmp <span class="Special">&lt;-</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-&gt;=</span>
-<span id="L261" class="LineNr">261 </span>    tmp <span class="Special">&lt;-</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">&lt;-</span> copy width
-<span id="L267" class="LineNr">267 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
-<span id="L268" class="LineNr">268 </span>  tmp <span class="Special">&lt;-</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-&lt;=</span>
-<span id="L272" class="LineNr">272 </span>    tmp <span class="Special">&lt;-</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">&lt;-</span> copy height
-<span id="L278" class="LineNr">278 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
-<span id="L279" class="LineNr">279 </span>  tmp <span class="Special">&lt;-</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">&lt;-</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">&quot;go to function (or leave blank to go to REPL)&quot;</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L297" class="LineNr">297 </span>  dummy, dummy2 <span class="Special">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L304" class="LineNr">304 </span>  _width, height <span class="Special">&lt;-</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">&lt;-</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">&lt;-</span> copy height
-<span id="L307" class="LineNr">307 </span>  y <span class="Special">&lt;-</span> decrement
-<span id="L308" class="LineNr">308 </span>  <span class="PreProc">var</span> height/<span class="muRegEbx">ebx</span>: int <span class="Special">&lt;-</span> copy y
-<span id="L309" class="LineNr">309 </span>  height <span class="Special">&lt;-</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">&quot; ^r &quot;</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">&quot; <a href='sandbox.mu.html#L645'>run</a> <a href='main.mu.html#L4'>main</a>  &quot;</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">&quot; enter &quot;</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">&quot; submit  &quot;</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">&quot; esc &quot;</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">&quot; cancel  &quot;</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">&quot; ^a &quot;</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">&quot; &lt;&lt;  &quot;</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">&quot; ^b &quot;</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">&quot; &lt;word  &quot;</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">&quot; ^f &quot;</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">&quot; word&gt;  &quot;</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">&quot; ^e &quot;</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">&quot; &gt;&gt;  &quot;</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">&lt;-</span> copy _self
-<span id="L331" class="LineNr">331 </span>  <span class="muComment"># data-disk -&gt; 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">&lt;-</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">&quot;loading sectors from data disk&quot;</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 -&gt; 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">&quot;parsing&quot;</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">&lt;-</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">&lt;-</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">&lt;-</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">&quot;  into gap buffer&quot;</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 -&gt; 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">&lt;-</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">&lt;-</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">&quot;  into s-expressions&quot;</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">&lt;-</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">&lt;-</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">&quot;globals&quot;</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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</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">&quot;loading sandbox&quot;</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">&lt;-</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">&quot;sandbox&quot;</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">&lt;-</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">&lt;-</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">&lt;-</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 -&gt; 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 -&gt; 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">&lt;-</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">&lt;-</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">&lt;-</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">&lt;-</span> address stream-storage
-<span id="L418" class="LineNr">418 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;(\n&quot;</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">&quot;)\n&quot;</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>
+<span id="L1" class="LineNr">   1 </span><span class="muComment"># The top-level data structure for the Mu shell.</span>
+<span id="L2" class="LineNr">   2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr">   3 </span><span class="muComment"># vim&#0058;textwidth&amp;</span>
+<span id="L4" class="LineNr">   4 </span><span class="muComment"># It would be nice for tests to use a narrower screen than the standard 0x80 of</span>
+<span id="L5" class="LineNr">   5 </span><span class="muComment"># 1024 pixels with 8px-wide graphemes. But it complicates rendering logic to</span>
+<span id="L6" class="LineNr">   6 </span><span class="muComment"># make width configurable, so we just use longer lines than usual.</span>
+<span id="L7" class="LineNr">   7 </span>
+<span id="L8" class="LineNr">   8 </span><span class="PreProc">type</span> <a href='environment.mu.html#L8'>environment</a> <span class="Delimiter">{</span>
+<span id="L9" class="LineNr">   9 </span>  globals: <a href='global.mu.html#L1'>global-table</a>
+<span id="L10" class="LineNr">  10 </span>  <a href='sandbox.mu.html#L1'>sandbox</a>: <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L11" class="LineNr">  11 </span>  <span class="muComment"># some state for a modal dialog for navigating between globals</span>
+<span id="L12" class="LineNr">  12 </span>  partial-global-name: (handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>)
+<span id="L13" class="LineNr">  13 </span>  go-modal-error: (handle array byte)
+<span id="L14" class="LineNr">  14 </span>  <span class="muComment">#</span>
+<span id="L15" class="LineNr">  15 </span>  cursor-in-globals?: boolean
+<span id="L16" class="LineNr">  16 </span>  cursor-in-go-modal?: boolean
+<span id="L17" class="LineNr">  17 </span><span class="Delimiter">}</span>
+<span id="L18" class="LineNr">  18 </span>
+<span id="L19" class="LineNr">  19 </span><span class="muComment"># Here's a sample usage session and what it will look like on the screen.</span>
+<span id="L20" class="LineNr">  20 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L20'>test-environment</a></span> <span class="Delimiter">{</span>
+<span id="L21" class="LineNr">  21 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L22" class="LineNr">  22 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L23" class="LineNr">  23 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L24" class="LineNr">  24 </span>  <span class="muComment"># setup: screen</span>
+<span id="L25" class="LineNr">  25 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L26" class="LineNr">  26 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L27" class="LineNr">  27 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L28" class="LineNr">  28 </span>  <span class="muComment"># type some code into sandbox</span>
+<span id="L29" class="LineNr">  29 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;(+ 3 4)&quot;</span>  <span class="muComment"># we don't have any global definitions here, so no macros</span>
+<span id="L30" class="LineNr">  30 </span>  <span class="muComment"># run code in sandbox</span>
+<span id="L31" class="LineNr">  31 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-disk
+<span id="L32" class="LineNr">  32 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L33" class="LineNr">  33 </span>  <span class="muComment">#                                                         | global definitions                                                                 | sandbox</span>
+<span id="L34" class="LineNr">  34 </span>  <span class="muComment"># top row blank for now</span>
+<span id="L35" class="LineNr">  35 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/0&quot;</span>
+<span id="L36" class="LineNr">  36 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                      <a href='../500fake-screen.mu.html#L14'>screen</a>:                                   &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/1&quot;</span>
+<span id="L37" class="LineNr">  37 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/2&quot;</span>
+<span id="L38" class="LineNr">  38 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/3&quot;</span>
+<span id="L39" class="LineNr">  39 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/4&quot;</span>
+<span id="L40" class="LineNr">  40 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/5&quot;</span>
+<span id="L41" class="LineNr">  41 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                      keyboard:                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/6&quot;</span>
+<span id="L42" class="LineNr">  42 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                                ................                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/6-2&quot;</span>
+<span id="L43" class="LineNr">  43 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/7&quot;</span>
+<span id="L44" class="LineNr">  44 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                      (+ 3 4)                                   &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/8&quot;</span>
+<span id="L45" class="LineNr">  45 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                      ...                       trace depth: 4  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/9&quot;</span>
+<span id="L46" class="LineNr">  46 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                      =&gt; 7                                      &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/10&quot;</span>
+<span id="L47" class="LineNr">  47 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/11&quot;</span>
+<span id="L48" class="LineNr">  48 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/12&quot;</span>
+<span id="L49" class="LineNr">  49 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/13&quot;</span>
+<span id="L50" class="LineNr">  50 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/14&quot;</span>
+<span id="L51" class="LineNr">  51 </span>  <span class="muComment"># bottom row is for a wordstar-style menu</span>
+<span id="L52" class="LineNr">  52 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,       <span class="Constant">0xf</span>/y, <span class="Constant">&quot; ^r  run <a href='main.mu.html#L4'>main</a>   ^s  run <a href='sandbox.mu.html#L1'>sandbox</a>   ^g  go to   ^m  to trace   ^a  &lt;&lt;   ^b  &lt;word   ^f  word&gt;   ^e  &gt;&gt;                            &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/15&quot;</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="muTest"><a href='environment.mu.html#L55'>test-definition-in-environment</a></span> <span class="Delimiter">{</span>
+<span id="L56" class="LineNr">  56 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L57" class="LineNr">  57 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L58" class="LineNr">  58 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L59" class="LineNr">  59 </span>  <span class="muComment"># setup: screen</span>
+<span id="L60" class="LineNr">  60 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L61" class="LineNr">  61 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L62" class="LineNr">  62 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L63" class="LineNr">  63 </span>  <span class="muComment"># define a global on the right (sandbox) side</span>
+<span id="L64" class="LineNr">  64 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;(define f 42)&quot;</span>
+<span id="L65" class="LineNr">  65 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-disk
+<span id="L66" class="LineNr">  66 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L67" class="LineNr">  67 </span>  <span class="muComment">#                                                         | global definitions                                                                 | sandbox</span>
+<span id="L68" class="LineNr">  68 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/0&quot;</span>
+<span id="L69" class="LineNr">  69 </span>  <span class="muComment"># global definition is now on the left side</span>
+<span id="L70" class="LineNr">  70 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">1</span>/y, <span class="Constant">&quot;                                           (define f 42)                              <a href='../500fake-screen.mu.html#L14'>screen</a>:                                   &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/1&quot;</span>
+<span id="L71" class="LineNr">  71 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/2&quot;</span>
+<span id="L72" class="LineNr">  72 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/3&quot;</span>
+<span id="L73" class="LineNr">  73 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                        ........                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L20'>test-environment</a>/4&quot;</span>
+<span id="L74" class="LineNr">  74 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/4&quot;</span>
+<span id="L75" class="LineNr">  75 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                      keyboard:                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/5&quot;</span>
+<span id="L76" class="LineNr">  76 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/bg,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                                ................                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/5-2&quot;</span>
+<span id="L77" class="LineNr">  77 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/6&quot;</span>
+<span id="L78" class="LineNr">  78 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/7&quot;</span>
+<span id="L79" class="LineNr">  79 </span>  <span class="muComment"># you can still see the trace on the right for what you just added to the left</span>
+<span id="L80" class="LineNr">  80 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,         <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                      ...                       trace depth: 4  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L55'>test-definition-in-environment</a>/8&quot;</span>
+<span id="L81" class="LineNr">  81 </span><span class="Delimiter">}</span>
+<span id="L82" class="LineNr">  82 </span>
+<span id="L83" class="LineNr">  83 </span><span class="muComment"># helper for testing</span>
+<span id="L84" class="LineNr">  84 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L84'>type-in</a></span> self: (addr <a href='environment.mu.html#L8'>environment</a>), <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), keys: (addr array byte) <span class="Delimiter">{</span>
+<span id="L85" class="LineNr">  85 </span>  <span class="muComment"># clear the buffer</span>
+<span id="L86" class="LineNr">  86 </span>  <a href='environment.mu.html#L148'>edit-environment</a> self, <span class="Constant">0x15</span>/ctrl-u, <span class="Constant">0</span>/no-disk
+<span id="L87" class="LineNr">  87 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
+<span id="L88" class="LineNr">  88 </span>  <span class="muComment"># type in all the keys</span>
+<span id="L89" class="LineNr">  89 </span>  <span class="PreProc">var</span> input-stream-storage: (stream byte <span class="Constant">0x40</span>/capacity)
+<span id="L90" class="LineNr">  90 </span>  <span class="PreProc">var</span> input-stream/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address input-stream-storage
+<span id="L91" class="LineNr">  91 </span>  <a href='../108write.subx.html#L11'>write</a> input-stream, keys
+<span id="L92" class="LineNr">  92 </span>  <span class="Delimiter">{</span>
+<span id="L93" class="LineNr">  93 </span>    <span class="PreProc">var</span> done?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> input-stream
+<span id="L94" class="LineNr">  94 </span>    compare done?, <span class="Constant">0</span>/false
+<span id="L95" class="LineNr">  95 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L96" class="LineNr">  96 </span>    <span class="PreProc">var</span> key/<span class="muRegEax">eax</span>: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L92'>read-grapheme</a> input-stream
+<span id="L97" class="LineNr">  97 </span>    <a href='environment.mu.html#L148'>edit-environment</a> self, key, <span class="Constant">0</span>/no-disk
+<span id="L98" class="LineNr">  98 </span>    <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
+<span id="L99" class="LineNr">  99 </span>    <span class="PreProc">loop</span>
+<span id="L100" class="LineNr"> 100 </span>  <span class="Delimiter">}</span>
+<span id="L101" class="LineNr"> 101 </span><span class="Delimiter">}</span>
+<span id="L102" class="LineNr"> 102 </span>
+<span id="L103" class="LineNr"> 103 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L103'>initialize-environment</a></span> _self: (addr <a href='environment.mu.html#L8'>environment</a>), fake-screen-width: int, fake-screen-height: int <span class="Delimiter">{</span>
+<span id="L104" class="LineNr"> 104 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L105" class="LineNr"> 105 </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">&lt;-</span> get self, globals
+<span id="L106" class="LineNr"> 106 </span>  <a href='global.mu.html#L14'>initialize-globals</a> globals
+<span id="L107" class="LineNr"> 107 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L108" class="LineNr"> 108 </span>  <a href='sandbox.mu.html#L12'>initialize-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, fake-screen-width, fake-screen-height
+<span id="L109" class="LineNr"> 109 </span>  <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L110" class="LineNr"> 110 </span>  <a href='../120allocate.subx.html#L43'>allocate</a> partial-global-name-ah
+<span id="L111" class="LineNr"> 111 </span>  <span class="PreProc">var</span> partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L112" class="LineNr"> 112 </span>  <a href='gap-buffer.mu.html#L11'>initialize-gap-buffer</a> partial-global-name, <span class="Constant">0x40</span>/global-name-capacity
+<span id="L113" class="LineNr"> 113 </span><span class="Delimiter">}</span>
+<span id="L114" class="LineNr"> 114 </span>
+<span id="L115" class="LineNr"> 115 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L115'>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#L8'>environment</a>) <span class="Delimiter">{</span>
+<span id="L116" class="LineNr"> 116 </span>  <span class="muComment"># globals layout: 1 char padding, 41 code, 1 padding, 41 code, 1 padding =  85</span>
+<span id="L117" class="LineNr"> 117 </span>  <span class="muComment"># sandbox layout: 1 padding, 41 code, 1 padding                          =  43</span>
+<span id="L118" class="LineNr"> 118 </span>  <span class="muComment">#                                                                  total = 128 chars</span>
+<span id="L119" class="LineNr"> 119 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L120" class="LineNr"> 120 </span>  <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L121" class="LineNr"> 121 </span>  <span class="PreProc">var</span> cursor-in-globals?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> copy *cursor-in-globals-a
+<span id="L122" class="LineNr"> 122 </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">&lt;-</span> get self, globals
+<span id="L123" class="LineNr"> 123 </span>  <a href='global.mu.html#L117'>render-globals</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, globals, cursor-in-globals?
+<span id="L124" class="LineNr"> 124 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L125" class="LineNr"> 125 </span>  <span class="PreProc">var</span> cursor-in-sandbox?/<span class="muRegEbx">ebx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">1</span>/true
+<span id="L126" class="LineNr"> 126 </span>  cursor-in-sandbox? <span class="Special">&lt;-</span> subtract cursor-in-globals?
+<span id="L127" class="LineNr"> 127 </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="L128" class="LineNr"> 128 </span>  <span class="muComment"># modal if necessary</span>
+<span id="L129" class="LineNr"> 129 </span>  <span class="Delimiter">{</span>
+<span id="L130" class="LineNr"> 130 </span>    <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L131" class="LineNr"> 131 </span>    compare *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L132" class="LineNr"> 132 </span>    <span class="PreProc">break-if-=</span>
+<span id="L133" class="LineNr"> 133 </span>    <a href='environment.mu.html#L811'>render-go-modal</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
+<span id="L134" class="LineNr"> 134 </span>    <a href='environment.mu.html#L871'>render-go-modal-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, self
+<span id="L135" class="LineNr"> 135 </span>    <span class="PreProc">return</span>
+<span id="L136" class="LineNr"> 136 </span>  <span class="Delimiter">}</span>
+<span id="L137" class="LineNr"> 137 </span>  <span class="muComment"># render menu</span>
+<span id="L138" class="LineNr"> 138 </span>  <span class="Delimiter">{</span>
+<span id="L139" class="LineNr"> 139 </span>    <span class="PreProc">var</span> cursor-in-globals?/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L140" class="LineNr"> 140 </span>    compare *cursor-in-globals?, <span class="Constant">0</span>/false
+<span id="L141" class="LineNr"> 141 </span>    <span class="PreProc">break-if-=</span>
+<span id="L142" class="LineNr"> 142 </span>    <a href='global.mu.html#L202'>render-globals-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, globals
+<span id="L143" class="LineNr"> 143 </span>    <span class="PreProc">return</span>
+<span id="L144" class="LineNr"> 144 </span>  <span class="Delimiter">}</span>
+<span id="L145" class="LineNr"> 145 </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="L146" class="LineNr"> 146 </span><span class="Delimiter">}</span>
+<span id="L147" class="LineNr"> 147 </span>
+<span id="L148" class="LineNr"> 148 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L148'>edit-environment</a></span> _self: (addr <a href='environment.mu.html#L8'>environment</a>), key: grapheme, data-disk: (addr disk) <span class="Delimiter">{</span>
+<span id="L149" class="LineNr"> 149 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L150" class="LineNr"> 150 </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">&lt;-</span> get self, globals
+<span id="L151" class="LineNr"> 151 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L152" class="LineNr"> 152 </span>  <span class="muComment"># ctrl-r</span>
+<span id="L153" class="LineNr"> 153 </span>  <span class="muComment"># Assumption: 'real-screen' and 'real-keyboard' are 0</span>
+<span id="L154" class="LineNr"> 154 </span>  <span class="Delimiter">{</span>
+<span id="L155" class="LineNr"> 155 </span>    compare key, <span class="Constant">0x12</span>/ctrl-r
+<span id="L156" class="LineNr"> 156 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L157" class="LineNr"> 157 </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">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L158" class="LineNr"> 158 </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="L159" class="LineNr"> 159 </span>    tmp <span class="Special">&lt;-</span> address <a href='cell.mu.html#L121'>nil</a>
+<span id="L160" class="LineNr"> 160 </span>    <a href='cell.mu.html#L102'>allocate-pair</a> tmp
+<span id="L161" class="LineNr"> 161 </span>    <span class="muComment"># (main real-screen real-keyboard)</span>
+<span id="L162" class="LineNr"> 162 </span>    <span class="PreProc">var</span> real-keyboard: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L163" class="LineNr"> 163 </span>    tmp <span class="Special">&lt;-</span> address real-keyboard
+<span id="L164" class="LineNr"> 164 </span>    <a href='cell.mu.html#L177'>allocate-keyboard</a> tmp
+<span id="L165" class="LineNr"> 165 </span>    <span class="muComment"># args = cons(real-keyboard, nil)</span>
+<span id="L166" class="LineNr"> 166 </span>    <span class="PreProc">var</span> args: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L167" class="LineNr"> 167 </span>    tmp <span class="Special">&lt;-</span> address args
+<span id="L168" class="LineNr"> 168 </span>    <a href='cell.mu.html#L116'>new-pair</a> tmp, real-keyboard, <a href='cell.mu.html#L121'>nil</a>
+<span id="L169" class="LineNr"> 169 </span>    <span class="muComment">#</span>
+<span id="L170" class="LineNr"> 170 </span>    <span class="PreProc">var</span> real-screen: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L171" class="LineNr"> 171 </span>    tmp <span class="Special">&lt;-</span> address real-screen
+<span id="L172" class="LineNr"> 172 </span>    <a href='cell.mu.html#L146'>allocate-screen</a> tmp
+<span id="L173" class="LineNr"> 173 </span>    <span class="muComment">#  args = cons(real-screen, args)</span>
+<span id="L174" class="LineNr"> 174 </span>    tmp <span class="Special">&lt;-</span> address args
+<span id="L175" class="LineNr"> 175 </span>    <a href='cell.mu.html#L116'>new-pair</a> tmp, real-screen, *tmp
+<span id="L176" class="LineNr"> 176 </span>    <span class="muComment">#</span>
+<span id="L177" class="LineNr"> 177 </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="L178" class="LineNr"> 178 </span>    tmp <span class="Special">&lt;-</span> address <a href='main.mu.html#L4'>main</a>
+<span id="L179" class="LineNr"> 179 </span>    <a href='cell.mu.html#L39'>new-symbol</a> tmp, <span class="Constant">&quot;main&quot;</span>
+<span id="L180" class="LineNr"> 180 </span>    <span class="muComment"># args = cons(main, args)</span>
+<span id="L181" class="LineNr"> 181 </span>    tmp <span class="Special">&lt;-</span> address args
+<span id="L182" class="LineNr"> 182 </span>    <a href='cell.mu.html#L116'>new-pair</a> tmp, <a href='main.mu.html#L4'>main</a>, *tmp
+<span id="L183" class="LineNr"> 183 </span>    <span class="muComment"># clear real screen</span>
+<span id="L184" class="LineNr"> 184 </span>    <a href='../500fake-screen.mu.html#L251'>clear-screen</a> <span class="Constant">0</span>/screen
+<span id="L185" class="LineNr"> 185 </span>    <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>, <span class="Constant">0</span>
+<span id="L186" class="LineNr"> 186 </span>    <span class="muComment"># run</span>
+<span id="L187" class="LineNr"> 187 </span>    <span class="PreProc">var</span> out: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L188" class="LineNr"> 188 </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">&lt;-</span> address out
+<span id="L189" class="LineNr"> 189 </span>    <span class="PreProc">var</span> trace-storage: trace
+<span id="L190" class="LineNr"> 190 </span>    <span class="PreProc">var</span> trace/<span class="muRegEbx">ebx</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L191" class="LineNr"> 191 </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="L192" class="LineNr"> 192 </span>    <a href='evaluate.mu.html#L11'>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>/definitions-created, <span class="Constant">0</span>/call-number
+<span id="L193" class="LineNr"> 193 </span>    <span class="muComment"># wait for a keypress</span>
+<span id="L194" class="LineNr"> 194 </span>    <span class="Delimiter">{</span>
+<span id="L195" class="LineNr"> 195 </span>      <span class="PreProc">var</span> tmp/<span class="muRegEax">eax</span>: byte <span class="Special">&lt;-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> <span class="Constant">0</span>/keyboard
+<span id="L196" class="LineNr"> 196 </span>      compare tmp, <span class="Constant">0</span>
+<span id="L197" class="LineNr"> 197 </span>      <span class="PreProc">loop-if-=</span>
+<span id="L198" class="LineNr"> 198 </span>    <span class="Delimiter">}</span>
+<span id="L199" class="LineNr"> 199 </span>    <span class="muComment">#</span>
+<span id="L200" class="LineNr"> 200 </span>    <span class="PreProc">return</span>
+<span id="L201" class="LineNr"> 201 </span>  <span class="Delimiter">}</span>
+<span id="L202" class="LineNr"> 202 </span>  <span class="muComment"># ctrl-s: send multiple places</span>
+<span id="L203" class="LineNr"> 203 </span>  <span class="Delimiter">{</span>
+<span id="L204" class="LineNr"> 204 </span>    compare key, <span class="Constant">0x13</span>/ctrl-s
+<span id="L205" class="LineNr"> 205 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L206" class="LineNr"> 206 </span>    <span class="Delimiter">{</span>
+<span id="L207" class="LineNr"> 207 </span>      <span class="muComment"># cursor in go modal? do nothing</span>
+<span id="L208" class="LineNr"> 208 </span>      <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L209" class="LineNr"> 209 </span>      compare *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L210" class="LineNr"> 210 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L211" class="LineNr"> 211 </span>      <span class="Delimiter">{</span>
+<span id="L212" class="LineNr"> 212 </span>        <span class="muComment"># cursor in globals? update current definition</span>
+<span id="L213" class="LineNr"> 213 </span>        <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEdx">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L214" class="LineNr"> 214 </span>        compare *cursor-in-globals-a, <span class="Constant">0</span>/false
+<span id="L215" class="LineNr"> 215 </span>        <span class="PreProc">break-if-=</span>
+<span id="L216" class="LineNr"> 216 </span>        <a href='global.mu.html#L229'>edit-globals</a> globals, key
+<span id="L217" class="LineNr"> 217 </span>      <span class="Delimiter">}</span>
+<span id="L218" class="LineNr"> 218 </span>      <span class="muComment"># update sandbox whether the cursor is in globals or sandbox</span>
+<span id="L219" class="LineNr"> 219 </span>      <a href='sandbox.mu.html#L453'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk
+<span id="L220" class="LineNr"> 220 </span>    <span class="Delimiter">}</span>
+<span id="L221" class="LineNr"> 221 </span>    <span class="PreProc">return</span>
+<span id="L222" class="LineNr"> 222 </span>  <span class="Delimiter">}</span>
+<span id="L223" class="LineNr"> 223 </span>  <span class="muComment"># dispatch to go modal if necessary</span>
+<span id="L224" class="LineNr"> 224 </span>  <span class="Delimiter">{</span>
+<span id="L225" class="LineNr"> 225 </span>    <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L226" class="LineNr"> 226 </span>    compare *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L227" class="LineNr"> 227 </span>    <span class="PreProc">break-if-=</span>
+<span id="L228" class="LineNr"> 228 </span>    <span class="muComment"># nested events for modal dialog</span>
+<span id="L229" class="LineNr"> 229 </span>    <span class="muComment"># ignore spaces</span>
+<span id="L230" class="LineNr"> 230 </span>    <span class="Delimiter">{</span>
+<span id="L231" class="LineNr"> 231 </span>      compare key, <span class="Constant">0x20</span>/space
+<span id="L232" class="LineNr"> 232 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L233" class="LineNr"> 233 </span>      <span class="PreProc">return</span>
+<span id="L234" class="LineNr"> 234 </span>    <span class="Delimiter">}</span>
+<span id="L235" class="LineNr"> 235 </span>    <span class="muComment"># esc = exit modal dialog</span>
+<span id="L236" class="LineNr"> 236 </span>    <span class="Delimiter">{</span>
+<span id="L237" class="LineNr"> 237 </span>      compare key, <span class="Constant">0x1b</span>/escape
+<span id="L238" class="LineNr"> 238 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L239" class="LineNr"> 239 </span>      <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L240" class="LineNr"> 240 </span>      copy-to *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L241" class="LineNr"> 241 </span>      <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L242" class="LineNr"> 242 </span>      clear-object go-modal-error-ah
+<span id="L243" class="LineNr"> 243 </span>      <span class="PreProc">return</span>
+<span id="L244" class="LineNr"> 244 </span>    <span class="Delimiter">}</span>
+<span id="L245" class="LineNr"> 245 </span>    <span class="muComment"># enter = switch to global name and exit modal dialog</span>
+<span id="L246" class="LineNr"> 246 </span>    <span class="Delimiter">{</span>
+<span id="L247" class="LineNr"> 247 </span>      compare key, <span class="Constant">0xa</span>/newline
+<span id="L248" class="LineNr"> 248 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L249" class="LineNr"> 249 </span>      <span class="muComment"># if no global name typed in, switch to sandbox</span>
+<span id="L250" class="LineNr"> 250 </span>      <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L251" class="LineNr"> 251 </span>      <span class="PreProc">var</span> partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L252" class="LineNr"> 252 </span>      <span class="Delimiter">{</span>
+<span id="L253" class="LineNr"> 253 </span>        <span class="PreProc">var</span> empty?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L27'>gap-buffer-empty?</a> partial-global-name
+<span id="L254" class="LineNr"> 254 </span>        compare empty?, <span class="Constant">0</span>/false
+<span id="L255" class="LineNr"> 255 </span>        <span class="PreProc">break-if-=</span>
+<span id="L256" class="LineNr"> 256 </span>        <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L257" class="LineNr"> 257 </span>        copy-to *cursor-in-globals-a, <span class="Constant">0</span>/false
+<span id="L258" class="LineNr"> 258 </span>        <span class="muComment"># reset error state</span>
+<span id="L259" class="LineNr"> 259 </span>        <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L260" class="LineNr"> 260 </span>        clear-object go-modal-error-ah
+<span id="L261" class="LineNr"> 261 </span>        <span class="muComment"># done with go modal</span>
+<span id="L262" class="LineNr"> 262 </span>        <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L263" class="LineNr"> 263 </span>        copy-to *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L264" class="LineNr"> 264 </span>        <span class="PreProc">return</span>
+<span id="L265" class="LineNr"> 265 </span>      <span class="Delimiter">}</span>
+<span id="L266" class="LineNr"> 266 </span>      <span class="muComment"># turn global name into a stream</span>
+<span id="L267" class="LineNr"> 267 </span>      <span class="PreProc">var</span> name-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L268" class="LineNr"> 268 </span>      <span class="PreProc">var</span> name/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address name-storage
+<span id="L269" class="LineNr"> 269 </span>      <a href='gap-buffer.mu.html#L83'>emit-gap-buffer</a> partial-global-name, name
+<span id="L270" class="LineNr"> 270 </span>      <span class="muComment"># compute global index</span>
+<span id="L271" class="LineNr"> 271 </span>      <span class="PreProc">var</span> index/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> <a href='global.mu.html#L402'>find-symbol-in-globals</a> globals, name
+<span id="L272" class="LineNr"> 272 </span>      <span class="muComment"># if global not found, set error and return</span>
+<span id="L273" class="LineNr"> 273 </span>      <span class="Delimiter">{</span>
+<span id="L274" class="LineNr"> 274 </span>        compare index, <span class="Constant">0</span>
+<span id="L275" class="LineNr"> 275 </span>        <span class="PreProc">break-if-&gt;=</span>
+<span id="L276" class="LineNr"> 276 </span>        <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L277" class="LineNr"> 277 </span>        <a href='../312copy.subx.html#L3'>copy-array-object</a> <span class="Constant">&quot;no such global&quot;</span>, go-modal-error-ah
+<span id="L278" class="LineNr"> 278 </span>        <span class="PreProc">return</span>
+<span id="L279" class="LineNr"> 279 </span>      <span class="Delimiter">}</span>
+<span id="L280" class="LineNr"> 280 </span>      <span class="muComment"># otherwise clear modal state</span>
+<span id="L281" class="LineNr"> 281 </span>      <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> partial-global-name
+<span id="L282" class="LineNr"> 282 </span>      <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L283" class="LineNr"> 283 </span>      clear-object go-modal-error-ah
+<span id="L284" class="LineNr"> 284 </span>      <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L285" class="LineNr"> 285 </span>      copy-to *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L286" class="LineNr"> 286 </span>      <span class="muComment"># switch focus to global at index</span>
+<span id="L287" class="LineNr"> 287 </span>      <span class="PreProc">var</span> globals-cursor-index/<span class="muRegEax">eax</span>: (addr int) <span class="Special">&lt;-</span> get globals, cursor-index
+<span id="L288" class="LineNr"> 288 </span>      copy-to *globals-cursor-index, index
+<span id="L289" class="LineNr"> 289 </span>      <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEcx">ecx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L290" class="LineNr"> 290 </span>      copy-to *cursor-in-globals-a, <span class="Constant">1</span>/true
+<span id="L291" class="LineNr"> 291 </span>      <span class="PreProc">return</span>
+<span id="L292" class="LineNr"> 292 </span>    <span class="Delimiter">}</span>
+<span id="L293" class="LineNr"> 293 </span>    <span class="muComment"># ctrl-m = create given global name and exit modal dialog</span>
+<span id="L294" class="LineNr"> 294 </span>    <span class="Delimiter">{</span>
+<span id="L295" class="LineNr"> 295 </span>      compare key, <span class="Constant">0xd</span>/ctrl-m
+<span id="L296" class="LineNr"> 296 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L297" class="LineNr"> 297 </span>      <span class="muComment"># if no global name typed in, set error and return</span>
+<span id="L298" class="LineNr"> 298 </span>      <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L299" class="LineNr"> 299 </span>      <span class="PreProc">var</span> partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L300" class="LineNr"> 300 </span>      <span class="Delimiter">{</span>
+<span id="L301" class="LineNr"> 301 </span>        <span class="PreProc">var</span> empty?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='gap-buffer.mu.html#L27'>gap-buffer-empty?</a> partial-global-name
+<span id="L302" class="LineNr"> 302 </span>        compare empty?, <span class="Constant">0</span>/false
+<span id="L303" class="LineNr"> 303 </span>        <span class="PreProc">break-if-=</span>
+<span id="L304" class="LineNr"> 304 </span>        <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L305" class="LineNr"> 305 </span>        <a href='../312copy.subx.html#L3'>copy-array-object</a> <span class="Constant">&quot;create what?&quot;</span>, go-modal-error-ah
+<span id="L306" class="LineNr"> 306 </span>        <span class="PreProc">return</span>
+<span id="L307" class="LineNr"> 307 </span>      <span class="Delimiter">}</span>
+<span id="L308" class="LineNr"> 308 </span>      <span class="muComment"># turn global name into a stream</span>
+<span id="L309" class="LineNr"> 309 </span>      <span class="PreProc">var</span> name-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L310" class="LineNr"> 310 </span>      <span class="PreProc">var</span> name/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address name-storage
+<span id="L311" class="LineNr"> 311 </span>      <a href='gap-buffer.mu.html#L83'>emit-gap-buffer</a> partial-global-name, name
+<span id="L312" class="LineNr"> 312 </span>      <span class="muComment"># compute global index</span>
+<span id="L313" class="LineNr"> 313 </span>      <span class="PreProc">var</span> index/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> <a href='global.mu.html#L402'>find-symbol-in-globals</a> globals, name
+<span id="L314" class="LineNr"> 314 </span>      <span class="muComment"># if global found, set error and return</span>
+<span id="L315" class="LineNr"> 315 </span>      <span class="Delimiter">{</span>
+<span id="L316" class="LineNr"> 316 </span>        compare index, <span class="Constant">0</span>
+<span id="L317" class="LineNr"> 317 </span>        <span class="PreProc">break-if-&lt;</span>
+<span id="L318" class="LineNr"> 318 </span>        <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L319" class="LineNr"> 319 </span>        <a href='../312copy.subx.html#L3'>copy-array-object</a> <span class="Constant">&quot;already exists&quot;</span>, go-modal-error-ah
+<span id="L320" class="LineNr"> 320 </span>        <span class="PreProc">return</span>
+<span id="L321" class="LineNr"> 321 </span>      <span class="Delimiter">}</span>
+<span id="L322" class="LineNr"> 322 </span>      <span class="muComment"># otherwise clear modal state</span>
+<span id="L323" class="LineNr"> 323 </span>      <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> partial-global-name
+<span id="L324" class="LineNr"> 324 </span>      <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L325" class="LineNr"> 325 </span>      clear-object go-modal-error-ah
+<span id="L326" class="LineNr"> 326 </span>      <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L327" class="LineNr"> 327 </span>      copy-to *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L328" class="LineNr"> 328 </span>      <span class="muComment"># create new global</span>
+<span id="L329" class="LineNr"> 329 </span>      <a href='global.mu.html#L250'>create-empty-global</a> globals, name, <span class="Constant">0x2000</span>/default-gap-buffer-size=8KB
+<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">var</span> globals-final-index/<span class="muRegEax">eax</span>: (addr int) <span class="Special">&lt;-</span> get globals, final-index
+<span id="L331" class="LineNr"> 331 </span>      <span class="PreProc">var</span> new-index/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy *globals-final-index
+<span id="L332" class="LineNr"> 332 </span>      <span class="PreProc">var</span> globals-cursor-index/<span class="muRegEax">eax</span>: (addr int) <span class="Special">&lt;-</span> get globals, cursor-index
+<span id="L333" class="LineNr"> 333 </span>      copy-to *globals-cursor-index, new-index
+<span id="L334" class="LineNr"> 334 </span>      <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEcx">ecx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L335" class="LineNr"> 335 </span>      copy-to *cursor-in-globals-a, <span class="Constant">1</span>/true
+<span id="L336" class="LineNr"> 336 </span>      <span class="PreProc">return</span>
+<span id="L337" class="LineNr"> 337 </span>    <span class="Delimiter">}</span>
+<span id="L338" class="LineNr"> 338 </span>    <span class="muComment"># otherwise process like a regular gap-buffer</span>
+<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L340" class="LineNr"> 340 </span>    <span class="PreProc">var</span> partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L341" class="LineNr"> 341 </span>    <a href='gap-buffer.mu.html#L1206'>edit-gap-buffer</a> partial-global-name, key
+<span id="L342" class="LineNr"> 342 </span>    <span class="PreProc">return</span>
+<span id="L343" class="LineNr"> 343 </span>  <span class="Delimiter">}</span>
+<span id="L344" class="LineNr"> 344 </span>  <span class="muComment"># ctrl-g: go to a global (or the repl)</span>
+<span id="L345" class="LineNr"> 345 </span>  <span class="Delimiter">{</span>
+<span id="L346" class="LineNr"> 346 </span>    compare key, <span class="Constant">7</span>/ctrl-g
+<span id="L347" class="LineNr"> 347 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L348" class="LineNr"> 348 </span>    <span class="muComment"># look for a word to prepopulate the modal</span>
+<span id="L349" class="LineNr"> 349 </span>    <span class="PreProc">var</span> current-word-storage: (stream byte <span class="Constant">0x40</span>)
+<span id="L350" class="LineNr"> 350 </span>    <span class="PreProc">var</span> current-word/<span class="muRegEdi">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address current-word-storage
+<span id="L351" class="LineNr"> 351 </span>    <a href='environment.mu.html#L901'>word-at-cursor</a> self, current-word
+<span id="L352" class="LineNr"> 352 </span>    <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L353" class="LineNr"> 353 </span>    <span class="PreProc">var</span> partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L354" class="LineNr"> 354 </span>    <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> partial-global-name
+<span id="L355" class="LineNr"> 355 </span>    <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> partial-global-name, current-word
+<span id="L356" class="LineNr"> 356 </span>    <span class="muComment"># enable the modal</span>
+<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L358" class="LineNr"> 358 </span>    copy-to *cursor-in-go-modal-a, <span class="Constant">1</span>/true
+<span id="L359" class="LineNr"> 359 </span>    <span class="PreProc">return</span>
+<span id="L360" class="LineNr"> 360 </span>  <span class="Delimiter">}</span>
+<span id="L361" class="LineNr"> 361 </span>  <span class="muComment"># dispatch the key to either sandbox or globals</span>
+<span id="L362" class="LineNr"> 362 </span>  <span class="Delimiter">{</span>
+<span id="L363" class="LineNr"> 363 </span>    <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L364" class="LineNr"> 364 </span>    compare *cursor-in-globals-a, <span class="Constant">0</span>/false
+<span id="L365" class="LineNr"> 365 </span>    <span class="PreProc">break-if-=</span>
+<span id="L366" class="LineNr"> 366 </span>    <a href='global.mu.html#L229'>edit-globals</a> globals, key
+<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">return</span>
+<span id="L368" class="LineNr"> 368 </span>  <span class="Delimiter">}</span>
+<span id="L369" class="LineNr"> 369 </span>  <a href='sandbox.mu.html#L453'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key, globals, data-disk
+<span id="L370" class="LineNr"> 370 </span><span class="Delimiter">}</span>
+<span id="L371" class="LineNr"> 371 </span>
+<span id="L372" class="LineNr"> 372 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L372'>read-and-evaluate-and-save-gap-buffer-to-globals</a></span> _in-ah: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>), result-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L1'>global-table</a>), definitions-created: (addr stream int), trace: (addr trace), inner-screen-var: (addr handle <a href='cell.mu.html#L1'>cell</a>), inner-keyboard-var: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
+<span id="L373" class="LineNr"> 373 </span>  <span class="PreProc">var</span> in-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _in-ah
+<span id="L374" class="LineNr"> 374 </span>  <span class="PreProc">var</span> in/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *in-ah
+<span id="L375" class="LineNr"> 375 </span>  <span class="PreProc">var</span> read-result-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L376" class="LineNr"> 376 </span>  <span class="PreProc">var</span> read-result-ah/<span class="muRegEsi">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address read-result-h
+<span id="L377" class="LineNr"> 377 </span>  <a href='read.mu.html#L1'>read-cell</a> in, read-result-ah, trace
+<span id="L378" class="LineNr"> 378 </span>  <span class="PreProc">var</span> error?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L94'>has-errors?</a> trace
+<span id="L379" class="LineNr"> 379 </span>  <span class="Delimiter">{</span>
+<span id="L380" class="LineNr"> 380 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L381" class="LineNr"> 381 </span>    <span class="PreProc">break-if-=</span>
+<span id="L382" class="LineNr"> 382 </span>    <span class="PreProc">return</span>
+<span id="L383" class="LineNr"> 383 </span>  <span class="Delimiter">}</span>
+<span id="L384" class="LineNr"> 384 </span>  <a href='macroexpand.mu.html#L1'>macroexpand</a> read-result-ah, globals, trace
+<span id="L385" class="LineNr"> 385 </span>  <span class="PreProc">var</span> error?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L94'>has-errors?</a> trace
+<span id="L386" class="LineNr"> 386 </span>  <span class="Delimiter">{</span>
+<span id="L387" class="LineNr"> 387 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L388" class="LineNr"> 388 </span>    <span class="PreProc">break-if-=</span>
+<span id="L389" class="LineNr"> 389 </span>    <span class="PreProc">return</span>
+<span id="L390" class="LineNr"> 390 </span>  <span class="Delimiter">}</span>
+<span id="L391" class="LineNr"> 391 </span>  <span class="PreProc">var</span> nil-h: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L392" class="LineNr"> 392 </span>  <span class="PreProc">var</span> nil-ah/<span class="muRegEax">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-h
+<span id="L393" class="LineNr"> 393 </span>  <a href='cell.mu.html#L102'>allocate-pair</a> nil-ah
+<span id="L394" class="LineNr"> 394 </span><span class="CommentedCode">#?   set-cursor-position 0/screen, 0 0</span>
+<span id="L395" class="LineNr"> 395 </span><span class="CommentedCode">#?   turn-on-debug-print</span>
+<span id="L396" class="LineNr"> 396 </span>  <span class="PreProc">var</span> call-number-storage: int
+<span id="L397" class="LineNr"> 397 </span>  <span class="PreProc">var</span> call-number/<span class="muRegEdi">edi</span>: (addr int) <span class="Special">&lt;-</span> address call-number-storage
+<span id="L398" class="LineNr"> 398 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;^&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L399" class="LineNr"> 399 </span>  <a href='evaluate.mu.html#L11'>evaluate</a> read-result-ah, result-ah, *nil-ah, globals, trace, inner-screen-var, inner-keyboard-var, definitions-created, call-number
+<span id="L400" class="LineNr"> 400 </span>  <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">&quot;$&quot;</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
+<span id="L401" class="LineNr"> 401 </span>  <span class="PreProc">var</span> error?/<span class="muRegEax">eax</span>: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L94'>has-errors?</a> trace
+<span id="L402" class="LineNr"> 402 </span>  <span class="Delimiter">{</span>
+<span id="L403" class="LineNr"> 403 </span>    compare error?, <span class="Constant">0</span>/false
+<span id="L404" class="LineNr"> 404 </span>    <span class="PreProc">break-if-=</span>
+<span id="L405" class="LineNr"> 405 </span>    <span class="PreProc">return</span>
+<span id="L406" class="LineNr"> 406 </span>  <span class="Delimiter">}</span>
+<span id="L407" class="LineNr"> 407 </span>  <span class="muComment"># refresh various rendering caches</span>
+<span id="L408" class="LineNr"> 408 </span>  <a href='trace.mu.html#L440'>mark-lines-dirty</a> trace
+<span id="L409" class="LineNr"> 409 </span>  <span class="muComment"># If any definitions were created or modified in the process, link this gap</span>
+<span id="L410" class="LineNr"> 410 </span>  <span class="muComment"># buffer to them.</span>
+<span id="L411" class="LineNr"> 411 </span>  <span class="muComment"># TODO: detect and create UI for conflicts.</span>
+<span id="L412" class="LineNr"> 412 </span>  <a href='global.mu.html#L489'>stash-gap-buffer-to-globals</a> globals, definitions-created, _in-ah
+<span id="L413" class="LineNr"> 413 </span><span class="Delimiter">}</span>
+<span id="L414" class="LineNr"> 414 </span>
+<span id="L415" class="LineNr"> 415 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L415'>test-go-modal</a></span> <span class="Delimiter">{</span>
+<span id="L416" class="LineNr"> 416 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L417" class="LineNr"> 417 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L418" class="LineNr"> 418 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L419" class="LineNr"> 419 </span>  <span class="muComment"># setup: screen</span>
+<span id="L420" class="LineNr"> 420 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L421" class="LineNr"> 421 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L422" class="LineNr"> 422 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L423" class="LineNr"> 423 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L424" class="LineNr"> 424 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L425" class="LineNr"> 425 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L426" class="LineNr"> 426 </span>  <span class="muComment">#</span>
+<span id="L427" class="LineNr"> 427 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/0&quot;</span>
+<span id="L428" class="LineNr"> 428 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/1&quot;</span>
+<span id="L429" class="LineNr"> 429 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/2&quot;</span>
+<span id="L430" class="LineNr"> 430 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/3&quot;</span>
+<span id="L431" class="LineNr"> 431 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/4&quot;</span>
+<span id="L432" class="LineNr"> 432 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/5&quot;</span>
+<span id="L433" class="LineNr"> 433 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/6-text&quot;</span>
+<span id="L434" class="LineNr"> 434 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/6&quot;</span>
+<span id="L435" class="LineNr"> 435 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/7&quot;</span>
+<span id="L436" class="LineNr"> 436 </span>  <span class="muComment"># cursor is in the modal</span>
+<span id="L437" class="LineNr"> 437 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                |                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/8-cursor&quot;</span>
+<span id="L438" class="LineNr"> 438 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 ...............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/8&quot;</span>
+<span id="L439" class="LineNr"> 439 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/9&quot;</span>
+<span id="L440" class="LineNr"> 440 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/10&quot;</span>
+<span id="L441" class="LineNr"> 441 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/11&quot;</span>
+<span id="L442" class="LineNr"> 442 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/12&quot;</span>
+<span id="L443" class="LineNr"> 443 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/13&quot;</span>
+<span id="L444" class="LineNr"> 444 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/14&quot;</span>
+<span id="L445" class="LineNr"> 445 </span>  <span class="muComment"># menu at bottom is correct in context</span>
+<span id="L446" class="LineNr"> 446 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">0xf</span>/y, <span class="Constant">&quot; ^r  run <a href='main.mu.html#L4'>main</a>   enter  go   ^m  create   esc  cancel   ^a  &lt;&lt;   ^b  &lt;word   ^f  word&gt;   ^e  &gt;&gt;                                  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/15-text&quot;</span>
+<span id="L447" class="LineNr"> 447 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L415'>test-go-modal</a>/15&quot;</span>
+<span id="L448" class="LineNr"> 448 </span><span class="Delimiter">}</span>
+<span id="L449" class="LineNr"> 449 </span>
+<span id="L450" class="LineNr"> 450 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L450'>test-leave-go-modal</a></span> <span class="Delimiter">{</span>
+<span id="L451" class="LineNr"> 451 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L452" class="LineNr"> 452 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L453" class="LineNr"> 453 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L454" class="LineNr"> 454 </span>  <span class="muComment"># setup: screen</span>
+<span id="L455" class="LineNr"> 455 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L456" class="LineNr"> 456 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L457" class="LineNr"> 457 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L458" class="LineNr"> 458 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L459" class="LineNr"> 459 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L460" class="LineNr"> 460 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L461" class="LineNr"> 461 </span>  <span class="muComment"># cancel</span>
+<span id="L462" class="LineNr"> 462 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x1b</span>/escape, <span class="Constant">0</span>/no-disk
+<span id="L463" class="LineNr"> 463 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L464" class="LineNr"> 464 </span>  <span class="muComment"># no modal</span>
+<span id="L465" class="LineNr"> 465 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/0&quot;</span>
+<span id="L466" class="LineNr"> 466 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/1&quot;</span>
+<span id="L467" class="LineNr"> 467 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/2&quot;</span>
+<span id="L468" class="LineNr"> 468 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/3&quot;</span>
+<span id="L469" class="LineNr"> 469 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/4&quot;</span>
+<span id="L470" class="LineNr"> 470 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/5&quot;</span>
+<span id="L471" class="LineNr"> 471 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/6&quot;</span>
+<span id="L472" class="LineNr"> 472 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/7&quot;</span>
+<span id="L473" class="LineNr"> 473 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/8&quot;</span>
+<span id="L474" class="LineNr"> 474 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/9&quot;</span>
+<span id="L475" class="LineNr"> 475 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/10&quot;</span>
+<span id="L476" class="LineNr"> 476 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/11&quot;</span>
+<span id="L477" class="LineNr"> 477 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/12&quot;</span>
+<span id="L478" class="LineNr"> 478 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/13&quot;</span>
+<span id="L479" class="LineNr"> 479 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/14&quot;</span>
+<span id="L480" class="LineNr"> 480 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L450'>test-leave-go-modal</a>/15&quot;</span>
+<span id="L481" class="LineNr"> 481 </span><span class="Delimiter">}</span>
+<span id="L482" class="LineNr"> 482 </span>
+<span id="L483" class="LineNr"> 483 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L483'>test-jump-to-global</a></span> <span class="Delimiter">{</span>
+<span id="L484" class="LineNr"> 484 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L485" class="LineNr"> 485 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L486" class="LineNr"> 486 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L487" class="LineNr"> 487 </span>  <span class="muComment"># setup: screen</span>
+<span id="L488" class="LineNr"> 488 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L489" class="LineNr"> 489 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L490" class="LineNr"> 490 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L491" class="LineNr"> 491 </span>  <span class="muComment"># define a global</span>
+<span id="L492" class="LineNr"> 492 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;(define f 42)&quot;</span>
+<span id="L493" class="LineNr"> 493 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-disk
+<span id="L494" class="LineNr"> 494 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L495" class="LineNr"> 495 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L496" class="LineNr"> 496 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L497" class="LineNr"> 497 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L498" class="LineNr"> 498 </span>  <span class="muComment"># type global name</span>
+<span id="L499" class="LineNr"> 499 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;f&quot;</span>
+<span id="L500" class="LineNr"> 500 </span>  <span class="muComment"># submit</span>
+<span id="L501" class="LineNr"> 501 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0xa</span>/newline, <span class="Constant">0</span>/no-disk
+<span id="L502" class="LineNr"> 502 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L503" class="LineNr"> 503 </span>  <span class="muComment">#                                                                 | global definitions                                                                 | sandbox</span>
+<span id="L504" class="LineNr"> 504 </span>  <span class="muComment"># cursor now in global definition</span>
+<span id="L505" class="LineNr"> 505 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">1</span>/y, <span class="Constant">&quot;                                           (define f 42)                              <a href='../500fake-screen.mu.html#L14'>screen</a>:                                   &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/1&quot;</span>
+<span id="L506" class="LineNr"> 506 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">7</span>/bg=cursor,  <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                        |                                                                       &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/1-cursor&quot;</span>
+<span id="L507" class="LineNr"> 507 </span>  <span class="muComment"># no modal</span>
+<span id="L508" class="LineNr"> 508 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg0&quot;</span>
+<span id="L509" class="LineNr"> 509 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg1&quot;</span>
+<span id="L510" class="LineNr"> 510 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg2&quot;</span>
+<span id="L511" class="LineNr"> 511 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg3&quot;</span>
+<span id="L512" class="LineNr"> 512 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg4&quot;</span>
+<span id="L513" class="LineNr"> 513 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg5&quot;</span>
+<span id="L514" class="LineNr"> 514 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg6&quot;</span>
+<span id="L515" class="LineNr"> 515 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg7&quot;</span>
+<span id="L516" class="LineNr"> 516 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg8&quot;</span>
+<span id="L517" class="LineNr"> 517 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg9&quot;</span>
+<span id="L518" class="LineNr"> 518 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg10&quot;</span>
+<span id="L519" class="LineNr"> 519 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg11&quot;</span>
+<span id="L520" class="LineNr"> 520 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg12&quot;</span>
+<span id="L521" class="LineNr"> 521 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg13&quot;</span>
+<span id="L522" class="LineNr"> 522 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg14&quot;</span>
+<span id="L523" class="LineNr"> 523 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L483'>test-jump-to-global</a>/bg15&quot;</span>
+<span id="L524" class="LineNr"> 524 </span><span class="Delimiter">}</span>
+<span id="L525" class="LineNr"> 525 </span>
+<span id="L526" class="LineNr"> 526 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a></span> <span class="Delimiter">{</span>
+<span id="L527" class="LineNr"> 527 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L528" class="LineNr"> 528 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L529" class="LineNr"> 529 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L530" class="LineNr"> 530 </span>  <span class="muComment"># setup: screen</span>
+<span id="L531" class="LineNr"> 531 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L532" class="LineNr"> 532 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L533" class="LineNr"> 533 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L534" class="LineNr"> 534 </span>  <span class="muComment"># type a word at the cursor</span>
+<span id="L535" class="LineNr"> 535 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;fn1&quot;</span>
+<span id="L536" class="LineNr"> 536 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L537" class="LineNr"> 537 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L538" class="LineNr"> 538 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L539" class="LineNr"> 539 </span>  <span class="muComment"># modal prepopulates word at cursor</span>
+<span id="L540" class="LineNr"> 540 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/0&quot;</span>
+<span id="L541" class="LineNr"> 541 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/1&quot;</span>
+<span id="L542" class="LineNr"> 542 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/2&quot;</span>
+<span id="L543" class="LineNr"> 543 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/3&quot;</span>
+<span id="L544" class="LineNr"> 544 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/4&quot;</span>
+<span id="L545" class="LineNr"> 545 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/5&quot;</span>
+<span id="L546" class="LineNr"> 546 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/6-text&quot;</span>
+<span id="L547" class="LineNr"> 547 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/6&quot;</span>
+<span id="L548" class="LineNr"> 548 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/7&quot;</span>
+<span id="L549" class="LineNr"> 549 </span>  <span class="muComment"># word at cursor</span>
+<span id="L550" class="LineNr"> 550 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">8</span>/y, <span class="Constant">&quot;                                fn1                                                                                             &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/8-text&quot;</span>
+<span id="L551" class="LineNr"> 551 </span>  <span class="muComment"># new cursor position</span>
+<span id="L552" class="LineNr"> 552 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                   |                                                                                            &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/8-cursor&quot;</span>
+<span id="L553" class="LineNr"> 553 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                ... ............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/8&quot;</span>
+<span id="L554" class="LineNr"> 554 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/9&quot;</span>
+<span id="L555" class="LineNr"> 555 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/10&quot;</span>
+<span id="L556" class="LineNr"> 556 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/11&quot;</span>
+<span id="L557" class="LineNr"> 557 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/12&quot;</span>
+<span id="L558" class="LineNr"> 558 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/13&quot;</span>
+<span id="L559" class="LineNr"> 559 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/14&quot;</span>
+<span id="L560" class="LineNr"> 560 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/15&quot;</span>
+<span id="L561" class="LineNr"> 561 </span>  <span class="muComment"># cancel</span>
+<span id="L562" class="LineNr"> 562 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x1b</span>/escape, <span class="Constant">0</span>/no-disk
+<span id="L563" class="LineNr"> 563 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L564" class="LineNr"> 564 </span>  <span class="muComment"># type one more space</span>
+<span id="L565" class="LineNr"> 565 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x20</span>/space, <span class="Constant">0</span>/no-disk
+<span id="L566" class="LineNr"> 566 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L567" class="LineNr"> 567 </span>  <span class="muComment"># hit ctrl-g again</span>
+<span id="L568" class="LineNr"> 568 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L569" class="LineNr"> 569 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L570" class="LineNr"> 570 </span>  <span class="muComment"># no word prepopulated since cursor is not on the word</span>
+<span id="L571" class="LineNr"> 571 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-0&quot;</span>
+<span id="L572" class="LineNr"> 572 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-1&quot;</span>
+<span id="L573" class="LineNr"> 573 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-2&quot;</span>
+<span id="L574" class="LineNr"> 574 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-3&quot;</span>
+<span id="L575" class="LineNr"> 575 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-4&quot;</span>
+<span id="L576" class="LineNr"> 576 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-5&quot;</span>
+<span id="L577" class="LineNr"> 577 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-6-text&quot;</span>
+<span id="L578" class="LineNr"> 578 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-6&quot;</span>
+<span id="L579" class="LineNr"> 579 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-7&quot;</span>
+<span id="L580" class="LineNr"> 580 </span>  <span class="muComment"># no word at cursor</span>
+<span id="L581" class="LineNr"> 581 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-8-text&quot;</span>
+<span id="L582" class="LineNr"> 582 </span>  <span class="muComment"># new cursor position</span>
+<span id="L583" class="LineNr"> 583 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                |                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-8-cursor&quot;</span>
+<span id="L584" class="LineNr"> 584 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 ...............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-8&quot;</span>
+<span id="L585" class="LineNr"> 585 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-9&quot;</span>
+<span id="L586" class="LineNr"> 586 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-10&quot;</span>
+<span id="L587" class="LineNr"> 587 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-11&quot;</span>
+<span id="L588" class="LineNr"> 588 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-12&quot;</span>
+<span id="L589" class="LineNr"> 589 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-13&quot;</span>
+<span id="L590" class="LineNr"> 590 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-14&quot;</span>
+<span id="L591" class="LineNr"> 591 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test2-15&quot;</span>
+<span id="L592" class="LineNr"> 592 </span>  <span class="muComment"># cancel</span>
+<span id="L593" class="LineNr"> 593 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x1b</span>/escape, <span class="Constant">0</span>/no-disk
+<span id="L594" class="LineNr"> 594 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L595" class="LineNr"> 595 </span>  <span class="muComment"># move cursor to the left until it's on the word again</span>
+<span id="L596" class="LineNr"> 596 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x80</span>/left-arrow, <span class="Constant">0</span>/no-disk
+<span id="L597" class="LineNr"> 597 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L598" class="LineNr"> 598 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x80</span>/left-arrow, <span class="Constant">0</span>/no-disk
+<span id="L599" class="LineNr"> 599 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L600" class="LineNr"> 600 </span>  <span class="muComment"># hit ctrl-g again</span>
+<span id="L601" class="LineNr"> 601 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L602" class="LineNr"> 602 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L603" class="LineNr"> 603 </span>  <span class="muComment"># word prepopulated like before</span>
+<span id="L604" class="LineNr"> 604 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-0&quot;</span>
+<span id="L605" class="LineNr"> 605 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-1&quot;</span>
+<span id="L606" class="LineNr"> 606 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-2&quot;</span>
+<span id="L607" class="LineNr"> 607 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-3&quot;</span>
+<span id="L608" class="LineNr"> 608 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-4&quot;</span>
+<span id="L609" class="LineNr"> 609 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-5&quot;</span>
+<span id="L610" class="LineNr"> 610 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-6-text&quot;</span>
+<span id="L611" class="LineNr"> 611 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-6&quot;</span>
+<span id="L612" class="LineNr"> 612 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-7&quot;</span>
+<span id="L613" class="LineNr"> 613 </span>  <span class="muComment"># word at cursor</span>
+<span id="L614" class="LineNr"> 614 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">8</span>/y, <span class="Constant">&quot;                                fn1                                                                                             &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-8-text&quot;</span>
+<span id="L615" class="LineNr"> 615 </span>  <span class="muComment"># new cursor position</span>
+<span id="L616" class="LineNr"> 616 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                   |                                                                                            &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-8-cursor&quot;</span>
+<span id="L617" class="LineNr"> 617 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                ... ............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-8&quot;</span>
+<span id="L618" class="LineNr"> 618 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-9&quot;</span>
+<span id="L619" class="LineNr"> 619 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-10&quot;</span>
+<span id="L620" class="LineNr"> 620 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-11&quot;</span>
+<span id="L621" class="LineNr"> 621 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-12&quot;</span>
+<span id="L622" class="LineNr"> 622 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-13&quot;</span>
+<span id="L623" class="LineNr"> 623 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-14&quot;</span>
+<span id="L624" class="LineNr"> 624 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L526'>test-go-modal-prepopulates-word-at-cursor</a>/test3-15&quot;</span>
+<span id="L625" class="LineNr"> 625 </span><span class="Delimiter">}</span>
+<span id="L626" class="LineNr"> 626 </span>
+<span id="L627" class="LineNr"> 627 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a></span> <span class="Delimiter">{</span>
+<span id="L628" class="LineNr"> 628 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L629" class="LineNr"> 629 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L630" class="LineNr"> 630 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L631" class="LineNr"> 631 </span>  <span class="muComment"># setup: screen</span>
+<span id="L632" class="LineNr"> 632 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L633" class="LineNr"> 633 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L634" class="LineNr"> 634 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L635" class="LineNr"> 635 </span>  <span class="muComment"># type in any (nonexistent) global name</span>
+<span id="L636" class="LineNr"> 636 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;f&quot;</span>
+<span id="L637" class="LineNr"> 637 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L638" class="LineNr"> 638 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L639" class="LineNr"> 639 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L640" class="LineNr"> 640 </span>  <span class="muComment"># submit</span>
+<span id="L641" class="LineNr"> 641 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0xa</span>/newline, <span class="Constant">0</span>/no-disk
+<span id="L642" class="LineNr"> 642 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L643" class="LineNr"> 643 </span>  <span class="muComment"># modal now shows an error</span>
+<span id="L644" class="LineNr"> 644 </span>  <span class="muComment">#                                                                 | global definitions                                                                 | sandbox</span>
+<span id="L645" class="LineNr"> 645 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/0&quot;</span>
+<span id="L646" class="LineNr"> 646 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/1&quot;</span>
+<span id="L647" class="LineNr"> 647 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/2&quot;</span>
+<span id="L648" class="LineNr"> 648 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/3&quot;</span>
+<span id="L649" class="LineNr"> 649 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/4&quot;</span>
+<span id="L650" class="LineNr"> 650 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/5&quot;</span>
+<span id="L651" class="LineNr"> 651 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/6-text&quot;</span>
+<span id="L652" class="LineNr"> 652 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/6&quot;</span>
+<span id="L653" class="LineNr"> 653 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/fg=<span class="Special"><a href='trace.mu.html#L197'>error</a></span>,     <span class="Constant">7</span>/y, <span class="Constant">&quot;                                no such <a href='global.mu.html#L7'>global</a>                                                                                  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/7-text&quot;</span>
+<span id="L654" class="LineNr"> 654 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/7&quot;</span>
+<span id="L655" class="LineNr"> 655 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">8</span>/y, <span class="Constant">&quot;                                f                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/8-text&quot;</span>
+<span id="L656" class="LineNr"> 656 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 |                                                                                              &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/8-cursor&quot;</span>
+<span id="L657" class="LineNr"> 657 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                . ..............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/8&quot;</span>
+<span id="L658" class="LineNr"> 658 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/9&quot;</span>
+<span id="L659" class="LineNr"> 659 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/10&quot;</span>
+<span id="L660" class="LineNr"> 660 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/11&quot;</span>
+<span id="L661" class="LineNr"> 661 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/12&quot;</span>
+<span id="L662" class="LineNr"> 662 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/13&quot;</span>
+<span id="L663" class="LineNr"> 663 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/14&quot;</span>
+<span id="L664" class="LineNr"> 664 </span>  <span class="muComment"># menu at bottom is correct in context</span>
+<span id="L665" class="LineNr"> 665 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">0xf</span>/y, <span class="Constant">&quot; ^r  run <a href='main.mu.html#L4'>main</a>   enter  go   ^m  create   esc  cancel   ^a  &lt;&lt;   ^b  &lt;word   ^f  word&gt;   ^e  &gt;&gt;                                  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/15-text&quot;</span>
+<span id="L666" class="LineNr"> 666 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/15&quot;</span>
+<span id="L667" class="LineNr"> 667 </span>  <span class="muComment"># cancel</span>
+<span id="L668" class="LineNr"> 668 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x1b</span>/escape, <span class="Constant">0</span>/no-disk
+<span id="L669" class="LineNr"> 669 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L670" class="LineNr"> 670 </span>  <span class="muComment"># hit ctrl-g again</span>
+<span id="L671" class="LineNr"> 671 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L672" class="LineNr"> 672 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L673" class="LineNr"> 673 </span>  <span class="muComment"># word prepopulated like before, but no error</span>
+<span id="L674" class="LineNr"> 674 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-0&quot;</span>
+<span id="L675" class="LineNr"> 675 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-1&quot;</span>
+<span id="L676" class="LineNr"> 676 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-2&quot;</span>
+<span id="L677" class="LineNr"> 677 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-3&quot;</span>
+<span id="L678" class="LineNr"> 678 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-4&quot;</span>
+<span id="L679" class="LineNr"> 679 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-5&quot;</span>
+<span id="L680" class="LineNr"> 680 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-6-text&quot;</span>
+<span id="L681" class="LineNr"> 681 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-6&quot;</span>
+<span id="L682" class="LineNr"> 682 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/fg=<span class="Special"><a href='trace.mu.html#L197'>error</a></span>,     <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-7-text&quot;</span>
+<span id="L683" class="LineNr"> 683 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-7&quot;</span>
+<span id="L684" class="LineNr"> 684 </span>  <span class="muComment"># same word at cursor</span>
+<span id="L685" class="LineNr"> 685 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">8</span>/y, <span class="Constant">&quot;                                f                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-8-text&quot;</span>
+<span id="L686" class="LineNr"> 686 </span>  <span class="muComment"># new cursor position</span>
+<span id="L687" class="LineNr"> 687 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 |                                                                                              &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-8-cursor&quot;</span>
+<span id="L688" class="LineNr"> 688 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                . ..............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-8&quot;</span>
+<span id="L689" class="LineNr"> 689 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-9&quot;</span>
+<span id="L690" class="LineNr"> 690 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-10&quot;</span>
+<span id="L691" class="LineNr"> 691 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-11&quot;</span>
+<span id="L692" class="LineNr"> 692 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-12&quot;</span>
+<span id="L693" class="LineNr"> 693 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-13&quot;</span>
+<span id="L694" class="LineNr"> 694 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-14&quot;</span>
+<span id="L695" class="LineNr"> 695 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L627'>test-jump-to-nonexistent-global</a>/test2-15&quot;</span>
+<span id="L696" class="LineNr"> 696 </span><span class="Delimiter">}</span>
+<span id="L697" class="LineNr"> 697 </span>
+<span id="L698" class="LineNr"> 698 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L698'>test-create-global</a></span> <span class="Delimiter">{</span>
+<span id="L699" class="LineNr"> 699 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L700" class="LineNr"> 700 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L701" class="LineNr"> 701 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L702" class="LineNr"> 702 </span>  <span class="muComment"># setup: screen</span>
+<span id="L703" class="LineNr"> 703 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L704" class="LineNr"> 704 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L705" class="LineNr"> 705 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L706" class="LineNr"> 706 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L707" class="LineNr"> 707 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L708" class="LineNr"> 708 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L709" class="LineNr"> 709 </span>  <span class="muComment"># type global name</span>
+<span id="L710" class="LineNr"> 710 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;fn1&quot;</span>
+<span id="L711" class="LineNr"> 711 </span>  <span class="muComment"># create</span>
+<span id="L712" class="LineNr"> 712 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-disk
+<span id="L713" class="LineNr"> 713 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L714" class="LineNr"> 714 </span>  <span class="muComment">#                                                                 | global definitions                                                                 | sandbox</span>
+<span id="L715" class="LineNr"> 715 </span>  <span class="muComment"># cursor now on global side</span>
+<span id="L716" class="LineNr"> 716 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">7</span>/bg=cursor,  <span class="Constant">1</span>/y, <span class="Constant">&quot;                                           |                                                                                    &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/1-cursor&quot;</span>
+<span id="L717" class="LineNr"> 717 </span>  <span class="muComment"># no modal</span>
+<span id="L718" class="LineNr"> 718 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg0&quot;</span>
+<span id="L719" class="LineNr"> 719 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg1&quot;</span>
+<span id="L720" class="LineNr"> 720 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg2&quot;</span>
+<span id="L721" class="LineNr"> 721 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg3&quot;</span>
+<span id="L722" class="LineNr"> 722 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg4&quot;</span>
+<span id="L723" class="LineNr"> 723 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg5&quot;</span>
+<span id="L724" class="LineNr"> 724 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg6&quot;</span>
+<span id="L725" class="LineNr"> 725 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg7&quot;</span>
+<span id="L726" class="LineNr"> 726 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg8&quot;</span>
+<span id="L727" class="LineNr"> 727 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg9&quot;</span>
+<span id="L728" class="LineNr"> 728 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg10&quot;</span>
+<span id="L729" class="LineNr"> 729 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg11&quot;</span>
+<span id="L730" class="LineNr"> 730 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg12&quot;</span>
+<span id="L731" class="LineNr"> 731 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg13&quot;</span>
+<span id="L732" class="LineNr"> 732 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg14&quot;</span>
+<span id="L733" class="LineNr"> 733 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L698'>test-create-global</a>/bg15&quot;</span>
+<span id="L734" class="LineNr"> 734 </span><span class="Delimiter">}</span>
+<span id="L735" class="LineNr"> 735 </span>
+<span id="L736" class="LineNr"> 736 </span><span class="PreProc">fn</span> <span class="muTest"><a href='environment.mu.html#L736'>test-create-nonexistent-global</a></span> <span class="Delimiter">{</span>
+<span id="L737" class="LineNr"> 737 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L8'>environment</a>
+<span id="L738" class="LineNr"> 738 </span>  <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> address env-storage
+<span id="L739" class="LineNr"> 739 </span>  <a href='environment.mu.html#L103'>initialize-environment</a> env, <span class="Constant">8</span>/fake-screen-width, <span class="Constant">3</span>/fake-screen-height
+<span id="L740" class="LineNr"> 740 </span>  <span class="muComment"># setup: screen</span>
+<span id="L741" class="LineNr"> 741 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L742" class="LineNr"> 742 </span>  <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEdi">edi</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special">&lt;-</span> address screen-on-stack
+<span id="L743" class="LineNr"> 743 </span>  <a href='../500fake-screen.mu.html#L33'>initialize-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x80</span>/width=<span class="Constant">72</span>, <span class="Constant">0x10</span>/height, <span class="Constant">0</span>/no-pixel-graphics
+<span id="L744" class="LineNr"> 744 </span>  <span class="muComment"># define a global</span>
+<span id="L745" class="LineNr"> 745 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;(define f 42)&quot;</span>
+<span id="L746" class="LineNr"> 746 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x13</span>/ctrl-s, <span class="Constant">0</span>/no-disk
+<span id="L747" class="LineNr"> 747 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L748" class="LineNr"> 748 </span>  <span class="muComment"># type in its name</span>
+<span id="L749" class="LineNr"> 749 </span>  <a href='environment.mu.html#L84'>type-in</a> env, <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;f&quot;</span>
+<span id="L750" class="LineNr"> 750 </span>  <span class="muComment"># hit ctrl-g</span>
+<span id="L751" class="LineNr"> 751 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L752" class="LineNr"> 752 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L753" class="LineNr"> 753 </span>  <span class="muComment"># submit</span>
+<span id="L754" class="LineNr"> 754 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0xd</span>/ctrl-m, <span class="Constant">0</span>/no-disk
+<span id="L755" class="LineNr"> 755 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L756" class="LineNr"> 756 </span>  <span class="muComment"># modal now shows an error</span>
+<span id="L757" class="LineNr"> 757 </span>  <span class="muComment">#                                                                 | global definitions                                                                 | sandbox</span>
+<span id="L758" class="LineNr"> 758 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/0&quot;</span>
+<span id="L759" class="LineNr"> 759 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/1&quot;</span>
+<span id="L760" class="LineNr"> 760 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/2&quot;</span>
+<span id="L761" class="LineNr"> 761 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/3&quot;</span>
+<span id="L762" class="LineNr"> 762 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/4&quot;</span>
+<span id="L763" class="LineNr"> 763 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/5&quot;</span>
+<span id="L764" class="LineNr"> 764 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/6-text&quot;</span>
+<span id="L765" class="LineNr"> 765 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/6&quot;</span>
+<span id="L766" class="LineNr"> 766 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/fg=<span class="Special"><a href='trace.mu.html#L197'>error</a></span>,     <span class="Constant">7</span>/y, <span class="Constant">&quot;                                already exists                                                                                  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/7-text&quot;</span>
+<span id="L767" class="LineNr"> 767 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/7&quot;</span>
+<span id="L768" class="LineNr"> 768 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/fg,           <span class="Constant">8</span>/y, <span class="Constant">&quot;                                f                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/8-text&quot;</span>
+<span id="L769" class="LineNr"> 769 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 |                                                                                              &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/8-cursor&quot;</span>
+<span id="L770" class="LineNr"> 770 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                . ..............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/8&quot;</span>
+<span id="L771" class="LineNr"> 771 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/9&quot;</span>
+<span id="L772" class="LineNr"> 772 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/10&quot;</span>
+<span id="L773" class="LineNr"> 773 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/11&quot;</span>
+<span id="L774" class="LineNr"> 774 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/12&quot;</span>
+<span id="L775" class="LineNr"> 775 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/13&quot;</span>
+<span id="L776" class="LineNr"> 776 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/14&quot;</span>
+<span id="L777" class="LineNr"> 777 </span>  <span class="muComment"># menu at bottom is correct in context</span>
+<span id="L778" class="LineNr"> 778 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,               <span class="Constant">0xf</span>/y, <span class="Constant">&quot; ^r  run <a href='main.mu.html#L4'>main</a>   enter  go   ^m  create   esc  cancel   ^a  &lt;&lt;   ^b  &lt;word   ^f  word&gt;   ^e  &gt;&gt;                                  &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/15-text&quot;</span>
+<span id="L779" class="LineNr"> 779 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/15&quot;</span>
+<span id="L780" class="LineNr"> 780 </span>  <span class="muComment"># cancel</span>
+<span id="L781" class="LineNr"> 781 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">0x1b</span>/escape, <span class="Constant">0</span>/no-disk
+<span id="L782" class="LineNr"> 782 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L783" class="LineNr"> 783 </span>  <span class="muComment"># hit ctrl-g again</span>
+<span id="L784" class="LineNr"> 784 </span>  <a href='environment.mu.html#L148'>edit-environment</a> env, <span class="Constant">7</span>/ctrl-g, <span class="Constant">0</span>/no-disk
+<span id="L785" class="LineNr"> 785 </span>  <a href='environment.mu.html#L115'>render-environment</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
+<span id="L786" class="LineNr"> 786 </span>  <span class="muComment"># word prepopulated like before, but no error</span>
+<span id="L787" class="LineNr"> 787 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">0</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-0&quot;</span>
+<span id="L788" class="LineNr"> 788 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">1</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-1&quot;</span>
+<span id="L789" class="LineNr"> 789 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">2</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-2&quot;</span>
+<span id="L790" class="LineNr"> 790 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">3</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-3&quot;</span>
+<span id="L791" class="LineNr"> 791 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">4</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-4&quot;</span>
+<span id="L792" class="LineNr"> 792 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">5</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-5&quot;</span>
+<span id="L793" class="LineNr"> 793 </span>  <a href='../504test-screen.mu.html#L7'>check-screen-row</a>                     <a href='../500fake-screen.mu.html#L14'>screen</a>,                 <span class="Constant">6</span>/y, <span class="Constant">&quot;                                    go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)                                                 &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-6-text&quot;</span>
+<span id="L794" class="LineNr"> 794 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">6</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-6&quot;</span>
+<span id="L795" class="LineNr"> 795 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">4</span>/fg=<span class="Special"><a href='trace.mu.html#L197'>error</a></span>,     <span class="Constant">7</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-7-text&quot;</span>
+<span id="L796" class="LineNr"> 796 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">7</span>/y, <span class="Constant">&quot;                                ................................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-7&quot;</span>
+<span id="L797" class="LineNr"> 797 </span>  <span class="muComment"># same word at cursor</span>
+<span id="L798" class="LineNr"> 798 </span>  <a href='../504test-screen.mu.html#L71'>check-screen-row-in-color</a>            <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/fg,           <span class="Constant">8</span>/y, <span class="Constant">&quot;                                f                                                                                               &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-8-text&quot;</span>
+<span id="L799" class="LineNr"> 799 </span>  <span class="muComment"># new cursor position</span>
+<span id="L800" class="LineNr"> 800 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>,   <span class="Constant">0</span>/bg=cursor,  <span class="Constant">8</span>/y, <span class="Constant">&quot;                                 |                                                                                              &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-8-cursor&quot;</span>
+<span id="L801" class="LineNr"> 801 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">8</span>/y, <span class="Constant">&quot;                                . ..............................................................                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-8&quot;</span>
+<span id="L802" class="LineNr"> 802 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal,   <span class="Constant">9</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-9&quot;</span>
+<span id="L803" class="LineNr"> 803 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xa</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-10&quot;</span>
+<span id="L804" class="LineNr"> 804 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xb</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-11&quot;</span>
+<span id="L805" class="LineNr"> 805 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xc</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-12&quot;</span>
+<span id="L806" class="LineNr"> 806 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xd</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-13&quot;</span>
+<span id="L807" class="LineNr"> 807 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xe</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-14&quot;</span>
+<span id="L808" class="LineNr"> 808 </span>  <a href='../504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0xf</span>/bg=modal, <span class="Constant">0xf</span>/y, <span class="Constant">&quot;                                                                                                                                &quot;</span>, <span class="Constant">&quot;F - <a href='environment.mu.html#L736'>test-create-nonexistent-global</a>/test2-15&quot;</span>
+<span id="L809" class="LineNr"> 809 </span><span class="Delimiter">}</span>
+<span id="L810" class="LineNr"> 810 </span>
+<span id="L811" class="LineNr"> 811 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L811'>render-go-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#L8'>environment</a>) <span class="Delimiter">{</span>
+<span id="L812" class="LineNr"> 812 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L813" class="LineNr"> 813 </span>  <span class="PreProc">var</span> width/<span class="muRegEax">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L814" class="LineNr"> 814 </span>  <span class="PreProc">var</span> height/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L815" class="LineNr"> 815 </span>  width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L86'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L816" class="LineNr"> 816 </span>  <span class="muComment"># xmin = max(0, width/2 - 0x20)</span>
+<span id="L817" class="LineNr"> 817 </span>  <span class="PreProc">var</span> xmin: int
+<span id="L818" class="LineNr"> 818 </span>  <span class="PreProc">var</span> tmp/<span class="muRegEdx">edx</span>: int <span class="Special">&lt;-</span> copy width
+<span id="L819" class="LineNr"> 819 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
+<span id="L820" class="LineNr"> 820 </span>  tmp <span class="Special">&lt;-</span> subtract <span class="Constant">0x20</span>/half-global-name-capacity
+<span id="L821" class="LineNr"> 821 </span>  <span class="Delimiter">{</span>
+<span id="L822" class="LineNr"> 822 </span>    compare tmp, <span class="Constant">0</span>
+<span id="L823" class="LineNr"> 823 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L824" class="LineNr"> 824 </span>    tmp <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L825" class="LineNr"> 825 </span>  <span class="Delimiter">}</span>
+<span id="L826" class="LineNr"> 826 </span>  copy-to xmin, tmp
+<span id="L827" class="LineNr"> 827 </span>  <span class="muComment"># xmax = min(width, width/2 + 0x20)</span>
+<span id="L828" class="LineNr"> 828 </span>  <span class="PreProc">var</span> xmax: int
+<span id="L829" class="LineNr"> 829 </span>  tmp <span class="Special">&lt;-</span> copy width
+<span id="L830" class="LineNr"> 830 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
+<span id="L831" class="LineNr"> 831 </span>  tmp <span class="Special">&lt;-</span> add <span class="Constant">0x20</span>/half-global-name-capacity
+<span id="L832" class="LineNr"> 832 </span>  <span class="Delimiter">{</span>
+<span id="L833" class="LineNr"> 833 </span>    compare tmp, width
+<span id="L834" class="LineNr"> 834 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L835" class="LineNr"> 835 </span>    tmp <span class="Special">&lt;-</span> copy width
+<span id="L836" class="LineNr"> 836 </span>  <span class="Delimiter">}</span>
+<span id="L837" class="LineNr"> 837 </span>  copy-to xmax, tmp
+<span id="L838" class="LineNr"> 838 </span>  <span class="muComment"># ymin = height/2 - 2</span>
+<span id="L839" class="LineNr"> 839 </span>  <span class="PreProc">var</span> ymin: int
+<span id="L840" class="LineNr"> 840 </span>  tmp <span class="Special">&lt;-</span> copy height
+<span id="L841" class="LineNr"> 841 </span>  tmp <span class="Special">&lt;-</span> shift-right <span class="Constant">1</span>
+<span id="L842" class="LineNr"> 842 </span>  tmp <span class="Special">&lt;-</span> subtract <span class="Constant">2</span>
+<span id="L843" class="LineNr"> 843 </span>  copy-to ymin, tmp
+<span id="L844" class="LineNr"> 844 </span>  <span class="muComment"># ymax = height/2 + 1</span>
+<span id="L845" class="LineNr"> 845 </span>  <span class="PreProc">var</span> ymax: int
+<span id="L846" class="LineNr"> 846 </span>  tmp <span class="Special">&lt;-</span> add <span class="Constant">3</span>
+<span id="L847" class="LineNr"> 847 </span>  copy-to ymax, tmp
+<span id="L848" class="LineNr"> 848 </span>  <span class="muComment">#</span>
+<span id="L849" class="LineNr"> 849 </span>  <a href='../500fake-screen.mu.html#L353'>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="L850" class="LineNr"> 850 </span>  add-to xmin, <span class="Constant">4</span>
+<span id="L851" class="LineNr"> 851 </span>  <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, xmin, ymin
+<span id="L852" class="LineNr"> 852 </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">&quot;go to <a href='global.mu.html#L7'>global</a> (or leave blank to go to REPL)&quot;</span>, xmax, <span class="Constant">8</span>/fg=dark-grey, <span class="Constant">0xf</span>/bg=modal
+<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">var</span> partial-global-name-ah/<span class="muRegEax">eax</span>: (addr handle <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> get self, partial-global-name
+<span id="L854" class="LineNr"> 854 </span>  <span class="PreProc">var</span> _partial-global-name/<span class="muRegEax">eax</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *partial-global-name-ah
+<span id="L855" class="LineNr"> 855 </span>  <span class="PreProc">var</span> partial-global-name/<span class="muRegEdx">edx</span>: (addr <a href='gap-buffer.mu.html#L3'>gap-buffer</a>) <span class="Special">&lt;-</span> copy _partial-global-name
+<span id="L856" class="LineNr"> 856 </span>  subtract-from xmin, <span class="Constant">4</span>
+<span id="L857" class="LineNr"> 857 </span>  increment ymin
+<span id="L858" class="LineNr"> 858 </span>  <span class="Delimiter">{</span>
+<span id="L859" class="LineNr"> 859 </span>    <span class="PreProc">var</span> go-modal-error-ah/<span class="muRegEax">eax</span>: (addr handle array byte) <span class="Special">&lt;-</span> get self, go-modal-error
+<span id="L860" class="LineNr"> 860 </span>    <span class="PreProc">var</span> go-modal-error/<span class="muRegEax">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *go-modal-error-ah
+<span id="L861" class="LineNr"> 861 </span>    compare go-modal-error, <span class="Constant">0</span>
+<span id="L862" class="LineNr"> 862 </span>    <span class="PreProc">break-if-=</span>
+<span id="L863" class="LineNr"> 863 </span>    <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special">&lt;-</span> <a href='../501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, go-modal-error, xmin, xmax, ymin, <span class="Constant">4</span>/fg=<span class="Special"><a href='trace.mu.html#L197'>error</a></span>, <span class="Constant">0xf</span>/bg=modal
+<span id="L864" class="LineNr"> 864 </span>  <span class="Delimiter">}</span>
+<span id="L865" class="LineNr"> 865 </span>  increment ymin
+<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> dummy2/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L868" class="LineNr"> 868 </span>  dummy, dummy2 <span class="Special">&lt;-</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-global-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="L869" class="LineNr"> 869 </span><span class="Delimiter">}</span>
+<span id="L870" class="LineNr"> 870 </span>
+<span id="L871" class="LineNr"> 871 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L871'>render-go-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#L8'>environment</a>) <span class="Delimiter">{</span>
+<span id="L872" class="LineNr"> 872 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L873" class="LineNr"> 873 </span>  <span class="PreProc">var</span> _width/<span class="muRegEax">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L874" class="LineNr"> 874 </span>  <span class="PreProc">var</span> height/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L875" class="LineNr"> 875 </span>  _width, height <span class="Special">&lt;-</span> <a href='../500fake-screen.mu.html#L86'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
+<span id="L876" class="LineNr"> 876 </span>  <span class="PreProc">var</span> width/<span class="muRegEdx">edx</span>: int <span class="Special">&lt;-</span> copy _width
+<span id="L877" class="LineNr"> 877 </span>  <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy height
+<span id="L878" class="LineNr"> 878 </span>  y <span class="Special">&lt;-</span> decrement
+<span id="L879" class="LineNr"> 879 </span>  <span class="PreProc">var</span> height/<span class="muRegEbx">ebx</span>: int <span class="Special">&lt;-</span> copy y
+<span id="L880" class="LineNr"> 880 </span>  height <span class="Special">&lt;-</span> increment
+<span id="L881" class="LineNr"> 881 </span>  <a href='../500fake-screen.mu.html#L353'>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="L882" class="LineNr"> 882 </span>  <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y
+<span id="L883" class="LineNr"> 883 </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">&quot; ^r &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L884" class="LineNr"> 884 </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">&quot; run <a href='main.mu.html#L4'>main</a>  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L885" class="LineNr"> 885 </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">&quot; enter &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0xc</span>/bg=menu-really-highlight
+<span id="L886" class="LineNr"> 886 </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">&quot; go  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L887" class="LineNr"> 887 </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">&quot; ^m &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0xc</span>/bg=menu-really-highlight
+<span id="L888" class="LineNr"> 888 </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">&quot; create  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L889" class="LineNr"> 889 </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">&quot; esc &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L890" class="LineNr"> 890 </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">&quot; cancel  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L891" class="LineNr"> 891 </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">&quot; ^a &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L892" class="LineNr"> 892 </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">&quot; &lt;&lt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L893" class="LineNr"> 893 </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">&quot; ^b &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L894" class="LineNr"> 894 </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">&quot; &lt;word  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L895" class="LineNr"> 895 </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">&quot; ^f &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L896" class="LineNr"> 896 </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">&quot; word&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L897" class="LineNr"> 897 </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">&quot; ^e &quot;</span>, width, <span class="Constant">0</span>/fg, <span class="Constant">0x5c</span>/bg=menu-highlight
+<span id="L898" class="LineNr"> 898 </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">&quot; &gt;&gt;  &quot;</span>, width, <span class="Constant">7</span>/fg, <span class="Constant">0xc5</span>/bg=blue-bg
+<span id="L899" class="LineNr"> 899 </span><span class="Delimiter">}</span>
+<span id="L900" class="LineNr"> 900 </span>
+<span id="L901" class="LineNr"> 901 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L901'>word-at-cursor</a></span> _self: (addr <a href='environment.mu.html#L8'>environment</a>), out: (addr stream byte) <span class="Delimiter">{</span>
+<span id="L902" class="LineNr"> 902 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L903" class="LineNr"> 903 </span>  <span class="PreProc">var</span> cursor-in-go-modal-a/<span class="muRegEax">eax</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-go-modal?
+<span id="L904" class="LineNr"> 904 </span>  compare *cursor-in-go-modal-a, <span class="Constant">0</span>/false
+<span id="L905" class="LineNr"> 905 </span>  <span class="Delimiter">{</span>
+<span id="L906" class="LineNr"> 906 </span>    <span class="PreProc">break-if-=</span>
+<span id="L907" class="LineNr"> 907 </span>    <span class="muComment"># cursor in go modal</span>
+<span id="L908" class="LineNr"> 908 </span>    <span class="PreProc">return</span>
+<span id="L909" class="LineNr"> 909 </span>  <span class="Delimiter">}</span>
+<span id="L910" class="LineNr"> 910 </span>  <span class="PreProc">var</span> cursor-in-globals-a/<span class="muRegEdx">edx</span>: (addr boolean) <span class="Special">&lt;-</span> get self, cursor-in-globals?
+<span id="L911" class="LineNr"> 911 </span>  compare *cursor-in-globals-a, <span class="Constant">0</span>/false
+<span id="L912" class="LineNr"> 912 </span>  <span class="Delimiter">{</span>
+<span id="L913" class="LineNr"> 913 </span>    <span class="PreProc">break-if-=</span>
+<span id="L914" class="LineNr"> 914 </span>    <span class="muComment"># cursor in some global editor</span>
+<span id="L915" class="LineNr"> 915 </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">&lt;-</span> get self, globals
+<span id="L916" class="LineNr"> 916 </span>    <span class="PreProc">var</span> cursor-index-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special">&lt;-</span> get globals, cursor-index
+<span id="L917" class="LineNr"> 917 </span>    <span class="PreProc">var</span> cursor-index/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy *cursor-index-addr
+<span id="L918" class="LineNr"> 918 </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">&lt;-</span> get globals, data
+<span id="L919" class="LineNr"> 919 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-data-ah
+<span id="L920" class="LineNr"> 920 </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">&lt;-</span> compute-offset globals-data, cursor-index
+<span id="L921" class="LineNr"> 921 </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">&lt;-</span> index globals-data, cursor-offset
+<span id="L922" class="LineNr"> 922 </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">&lt;-</span> get curr-global, input
+<span id="L923" class="LineNr"> 923 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *curr-global-data-ah
+<span id="L924" class="LineNr"> 924 </span>    <a href='gap-buffer.mu.html#L133'>word-at-gap</a> curr-global-data, out
+<span id="L925" class="LineNr"> 925 </span>    <span class="PreProc">return</span>
+<span id="L926" class="LineNr"> 926 </span>  <span class="Delimiter">}</span>
+<span id="L927" class="LineNr"> 927 </span>  <span class="muComment"># cursor in sandbox</span>
+<span id="L928" class="LineNr"> 928 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L929" class="LineNr"> 929 </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">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L930" class="LineNr"> 930 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-data-ah
+<span id="L931" class="LineNr"> 931 </span>  <a href='gap-buffer.mu.html#L133'>word-at-gap</a> sandbox-data, out
+<span id="L932" class="LineNr"> 932 </span><span class="Delimiter">}</span>
+<span id="L933" class="LineNr"> 933 </span>
+<span id="L934" class="LineNr"> 934 </span><span class="muComment"># Gotcha: some saved state may not load.</span>
+<span id="L935" class="LineNr"> 935 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L935'>load-state</a></span> _self: (addr <a href='environment.mu.html#L8'>environment</a>), data-disk: (addr disk) <span class="Delimiter">{</span>
+<span id="L936" class="LineNr"> 936 </span>  <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L8'>environment</a>) <span class="Special">&lt;-</span> copy _self
+<span id="L937" class="LineNr"> 937 </span>  <span class="muComment"># data-disk -&gt; stream</span>
+<span id="L938" class="LineNr"> 938 </span>  <span class="PreProc">var</span> s-storage: (stream byte <span class="Constant">0x2000</span>)  <span class="muComment"># space for 16/sectors</span>
+<span id="L939" class="LineNr"> 939 </span>  <span class="PreProc">var</span> s/<span class="muRegEbx">ebx</span>: (addr stream byte) <span class="Special">&lt;-</span> address s-storage
+<span id="L940" class="LineNr"> 940 </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">&quot;loading sectors from data disk&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L941" class="LineNr"> 941 </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="L942" class="LineNr"> 942 </span>  <a href='../boot.subx.html#L974'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">0x10</span>/sectors, s
+<span id="L943" class="LineNr"> 943 </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="L944" class="LineNr"> 944 </span>  <span class="muComment"># stream -&gt; gap-buffer (HACK: we temporarily cannibalize the sandbox's gap-buffer)</span>
+<span id="L945" class="LineNr"> 945 </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">&quot;parsing&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L946" class="LineNr"> 946 </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="L947" class="LineNr"> 947 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L948" class="LineNr"> 948 </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">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L949" class="LineNr"> 949 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L950" class="LineNr"> 950 </span>  <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> data, s
+<span id="L951" class="LineNr"> 951 </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">&quot;  into gap buffer&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L952" class="LineNr"> 952 </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="L953" class="LineNr"> 953 </span>  <a href='../106stream.subx.html#L20'>clear-stream</a> s
+<span id="L954" class="LineNr"> 954 </span>  <span class="muComment"># read: gap-buffer -&gt; cell</span>
+<span id="L955" class="LineNr"> 955 </span>  <span class="PreProc">var</span> initial-root-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L956" class="LineNr"> 956 </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">&lt;-</span> address initial-root-storage
+<span id="L957" class="LineNr"> 957 </span>  <span class="PreProc">var</span> trace-storage: trace
+<span id="L958" class="LineNr"> 958 </span>  <span class="PreProc">var</span> trace/<span class="muRegEdi">edi</span>: (addr trace) <span class="Special">&lt;-</span> address trace-storage
+<span id="L959" class="LineNr"> 959 </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="L960" class="LineNr"> 960 </span>  <a href='read.mu.html#L1'>read-cell</a> data, initial-root, trace
+<span id="L961" class="LineNr"> 961 </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">&quot;  into s-expressions&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L962" class="LineNr"> 962 </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="L963" class="LineNr"> 963 </span>  <a href='gap-buffer.mu.html#L19'>clear-gap-buffer</a> data
+<span id="L964" class="LineNr"> 964 </span>  <span class="muComment">#</span>
+<span id="L965" class="LineNr"> 965 </span>  <span class="Delimiter">{</span>
+<span id="L966" class="LineNr"> 966 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *initial-root
+<span id="L967" class="LineNr"> 967 </span>    compare initial-root-addr, <span class="Constant">0</span>
+<span id="L968" class="LineNr"> 968 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L969" class="LineNr"> 969 </span>    <span class="PreProc">return</span>
+<span id="L970" class="LineNr"> 970 </span>  <span class="Delimiter">}</span>
+<span id="L971" class="LineNr"> 971 </span>  <span class="muComment"># load globals from assoc(initial-root, 'globals)</span>
+<span id="L972" class="LineNr"> 972 </span>  <span class="PreProc">var</span> globals-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L973" class="LineNr"> 973 </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">&lt;-</span> address globals-literal-storage
+<span id="L974" class="LineNr"> 974 </span>  <a href='cell.mu.html#L39'>new-symbol</a> globals-literal-ah, <span class="Constant">&quot;globals&quot;</span>
+<span id="L975" class="LineNr"> 975 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-literal-ah
+<span id="L976" class="LineNr"> 976 </span>  <span class="PreProc">var</span> globals-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L977" class="LineNr"> 977 </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">&lt;-</span> address globals-cell-storage
+<span id="L978" class="LineNr"> 978 </span>  <a href='trace.mu.html#L80'>clear-trace</a> trace
+<span id="L979" class="LineNr"> 979 </span>  <a href='evaluate.mu.html#L820'>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="L980" class="LineNr"> 980 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *globals-cell-ah
+<span id="L981" class="LineNr"> 981 </span>  <span class="Delimiter">{</span>
+<span id="L982" class="LineNr"> 982 </span>    compare globals-cell, <span class="Constant">0</span>
+<span id="L983" class="LineNr"> 983 </span>    <span class="PreProc">break-if-=</span>
+<span id="L984" class="LineNr"> 984 </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">&lt;-</span> get self, globals
+<span id="L985" class="LineNr"> 985 </span>    <a href='global.mu.html#L27'>load-globals</a> globals-cell-ah, globals
+<span id="L986" class="LineNr"> 986 </span>  <span class="Delimiter">}</span>
+<span id="L987" class="LineNr"> 987 </span>  <span class="muComment"># sandbox = assoc(initial-root, 'sandbox)</span>
+<span id="L988" class="LineNr"> 988 </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">&quot;loading sandbox&quot;</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
+<span id="L989" class="LineNr"> 989 </span>  <span class="PreProc">var</span> sandbox-literal-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L990" class="LineNr"> 990 </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">&lt;-</span> address sandbox-literal-storage
+<span id="L991" class="LineNr"> 991 </span>  <a href='cell.mu.html#L39'>new-symbol</a> sandbox-literal-ah, <span class="Constant">&quot;sandbox&quot;</span>
+<span id="L992" class="LineNr"> 992 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-literal-ah
+<span id="L993" class="LineNr"> 993 </span>  <span class="PreProc">var</span> sandbox-cell-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
+<span id="L994" class="LineNr"> 994 </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">&lt;-</span> address sandbox-cell-storage
+<span id="L995" class="LineNr"> 995 </span>  <a href='trace.mu.html#L80'>clear-trace</a> trace
+<span id="L996" class="LineNr"> 996 </span>  <a href='evaluate.mu.html#L820'>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="L997" class="LineNr"> 997 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *sandbox-cell-ah
+<span id="L998" class="LineNr"> 998 </span>  <span class="Delimiter">{</span>
+<span id="L999" class="LineNr"> 999 </span>    compare sandbox-cell, <span class="Constant">0</span>
+<span id="L1000" class="LineNr">1000 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1001" class="LineNr">1001 </span>    <span class="muComment"># print: cell -&gt; stream</span>
+<span id="L1002" class="LineNr">1002 </span>    <a href='trace.mu.html#L80'>clear-trace</a> trace
+<span id="L1003" class="LineNr">1003 </span>    <a href='print.mu.html#L7'>print-cell</a> sandbox-cell-ah, s, trace
+<span id="L1004" class="LineNr">1004 </span>    <span class="muComment"># stream -&gt; gap-buffer</span>
+<span id="L1005" class="LineNr">1005 </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">&lt;-</span> get self, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L1006" class="LineNr">1006 </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">&lt;-</span> get <a href='sandbox.mu.html#L1'>sandbox</a>, data
+<span id="L1007" class="LineNr">1007 </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">&lt;-</span> <a href='../120allocate.subx.html#L223'>lookup</a> *data-ah
+<span id="L1008" class="LineNr">1008 </span>    <a href='gap-buffer.mu.html#L68'>load-gap-buffer-from-stream</a> data, s
+<span id="L1009" class="LineNr">1009 </span>  <span class="Delimiter">}</span>
+<span id="L1010" class="LineNr">1010 </span><span class="Delimiter">}</span>
+<span id="L1011" class="LineNr">1011 </span>
+<span id="L1012" class="LineNr">1012 </span><span class="muComment"># Save state as an alist of alists:</span>
+<span id="L1013" class="LineNr">1013 </span><span class="muComment">#   ((globals . ((a . (fn ...))</span>
+<span id="L1014" class="LineNr">1014 </span><span class="muComment">#                ...))</span>
+<span id="L1015" class="LineNr">1015 </span><span class="muComment">#    (sandbox . ...))</span>
+<span id="L1016" class="LineNr">1016 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1016'>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="L1017" class="LineNr">1017 </span>  compare data-disk, <span class="Constant">0</span>/no-disk
+<span id="L1018" class="LineNr">1018 </span>  <span class="Delimiter">{</span>
+<span id="L1019" class="LineNr">1019 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1020" class="LineNr">1020 </span>    <span class="PreProc">return</span>
+<span id="L1021" class="LineNr">1021 </span>  <span class="Delimiter">}</span>
+<span id="L1022" class="LineNr">1022 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x2000</span>)  <span class="muComment"># space enough for 16/sectors</span>
+<span id="L1023" class="LineNr">1023 </span>  <span class="PreProc">var</span> stream/<span class="muRegEdi">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
+<span id="L1024" class="LineNr">1024 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;(\n&quot;</span>
+<span id="L1025" class="LineNr">1025 </span>  <a href='global.mu.html#L65'>write-globals</a> stream, globals
+<span id="L1026" class="LineNr">1026 </span>  <a href='sandbox.mu.html#L64'>write-sandbox</a> stream, <a href='sandbox.mu.html#L1'>sandbox</a>
+<span id="L1027" class="LineNr">1027 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;)\n&quot;</span>
+<span id="L1028" class="LineNr">1028 </span>  <a href='../boot.subx.html#L1037'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">0x10</span>/sectors, stream
+<span id="L1029" class="LineNr">1029 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>