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<a href='https://github.com/akkartik/mu/blob/main/browse-slack/environment.mu'>https://github.com/akkartik/mu/blob/main/browse-slack/environment.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># The environment is a thin layer in this app, just a history of 'tabs' that</span>
<span id="L2" class="LineNr"> 2 </span><span class="muComment"># are fully specified by the operations used to generate them.</span>
<span id="L3" class="LineNr"> 3 </span>
<span id="L4" class="LineNr"> 4 </span><span class="PreProc">type</span> <a href='environment.mu.html#L4'>environment</a> <span class="Delimiter">{</span>
<span id="L5" class="LineNr"> 5 </span> item-index: int
<span id="L6" class="LineNr"> 6 </span><span class="Delimiter">}</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="muComment"># static buffer sizes in this file:</span>
<span id="L9" class="LineNr"> 9 </span><span class="muComment"># main-panel-hor # in characters</span>
<span id="L10" class="LineNr"> 10 </span><span class="muComment"># item-padding-hor # in pixels</span>
<span id="L11" class="LineNr"> 11 </span><span class="muComment"># item-padding-ver # in characters</span>
<span id="L12" class="LineNr"> 12 </span><span class="muComment"># avatar-side # in pixels</span>
<span id="L13" class="LineNr"> 13 </span><span class="muComment"># avatar-space-hor # in characters</span>
<span id="L14" class="LineNr"> 14 </span><span class="muComment"># avatar-space-ver # in characters</span>
<span id="L15" class="LineNr"> 15 </span><span class="muComment"># search-position-x # in characters</span>
<span id="L16" class="LineNr"> 16 </span><span class="muComment"># search-space-ver # in characters</span>
<span id="L17" class="LineNr"> 17 </span><span class="muComment"># author-name-padding-ver # in characters</span>
<span id="L18" class="LineNr"> 18 </span><span class="muComment"># post-right-coord # in characters</span>
<span id="L19" class="LineNr"> 19 </span><span class="muComment"># channel-offset-x # in characters</span>
<span id="L20" class="LineNr"> 20 </span><span class="muComment"># menu-space-ver # in characters</span>
<span id="L21" class="LineNr"> 21 </span>
<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L22'>initialize-environment</a></span> _self: (addr <a href='environment.mu.html#L4'>environment</a>), _items: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Delimiter">{</span>
<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L4'>environment</a>) <span class="Special"><-</span> copy _self
<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> items/eax: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Special"><-</span> copy _items
<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> newest-item-a/eax: (addr int) <span class="Special"><-</span> get items, newest
<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">var</span> newest-item/eax: int <span class="Special"><-</span> copy *newest-item-a
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">var</span> dest/<span class="muRegEdi">edi</span>: (addr int) <span class="Special"><-</span> get self, item-index
<span id="L28" class="LineNr"> 28 </span> copy-to *dest, newest-item
<span id="L29" class="LineNr"> 29 </span><span class="Delimiter">}</span>
<span id="L30" class="LineNr"> 30 </span>
<span id="L31" class="LineNr"> 31 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L31'>render-environment</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), env: (addr <a href='environment.mu.html#L4'>environment</a>), users: (addr array <a href='main.mu.html#L7'>user</a>), channels: (addr array <a href='main.mu.html#L1'>channel</a>), items: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Delimiter">{</span>
<span id="L32" class="LineNr"> 32 </span> <a href='../500fake-screen.mu.html#L251'>clear-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L33" class="LineNr"> 33 </span> <a href='environment.mu.html#L97'>render-search-input</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env
<span id="L34" class="LineNr"> 34 </span> <a href='environment.mu.html#L39'>render-channels</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env, channels
<span id="L35" class="LineNr"> 35 </span> <a href='environment.mu.html#L63'>render-item-list</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, env, items, users
<span id="L36" class="LineNr"> 36 </span> <a href='environment.mu.html#L103'>render-menu</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
<span id="L38" class="LineNr"> 38 </span>
<span id="L39" class="LineNr"> 39 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L39'>render-channels</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), env: (addr <a href='environment.mu.html#L4'>environment</a>), _channels: (addr array <a href='main.mu.html#L1'>channel</a>) <span class="Delimiter">{</span>
<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">var</span> channels/<span class="muRegEsi">esi</span>: (addr array <a href='main.mu.html#L1'>channel</a>) <span class="Special"><-</span> copy _channels
<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> y/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span>/search-space-ver
<span id="L42" class="LineNr"> 42 </span> y <span class="Special"><-</span> add <span class="Constant">1</span>/item-padding-ver
<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> i/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> max/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> length channels
<span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">{</span>
<span id="L46" class="LineNr"> 46 </span> compare i, max
<span id="L47" class="LineNr"> 47 </span> <span class="PreProc">break-if->=</span>
<span id="L48" class="LineNr"> 48 </span> <span class="PreProc">var</span> offset/eax: (offset <a href='main.mu.html#L1'>channel</a>) <span class="Special"><-</span> compute-offset channels, i
<span id="L49" class="LineNr"> 49 </span> <span class="PreProc">var</span> curr/eax: (addr <a href='main.mu.html#L1'>channel</a>) <span class="Special"><-</span> index channels, offset
<span id="L50" class="LineNr"> 50 </span> <span class="PreProc">var</span> name-ah/eax: (addr handle array byte) <span class="Special"><-</span> get curr, name
<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> name/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *name-ah
<span id="L52" class="LineNr"> 52 </span> compare name, <span class="Constant">0</span>
<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">break-if-=</span>
<span id="L54" class="LineNr"> 54 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/x y
<span id="L55" class="LineNr"> 55 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"#"</span>, <span class="Constant">0xf</span>/grey <span class="Constant">0</span>/black
<span id="L56" class="LineNr"> 56 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, name, <span class="Constant">0xf</span>/grey <span class="Constant">0</span>/black
<span id="L57" class="LineNr"> 57 </span> y <span class="Special"><-</span> add <span class="Constant">2</span>/channel-padding
<span id="L58" class="LineNr"> 58 </span> i <span class="Special"><-</span> increment
<span id="L59" class="LineNr"> 59 </span> <span class="PreProc">loop</span>
<span id="L60" class="LineNr"> 60 </span> <span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">}</span>
<span id="L62" class="LineNr"> 62 </span>
<span id="L63" class="LineNr"> 63 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L63'>render-item-list</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _env: (addr <a href='environment.mu.html#L4'>environment</a>), _items: (addr <a href='main.mu.html#L24'>item-list</a>), users: (addr array <a href='main.mu.html#L7'>user</a>) <span class="Delimiter">{</span>
<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">var</span> env/<span class="muRegEsi">esi</span>: (addr <a href='environment.mu.html#L4'>environment</a>) <span class="Special"><-</span> copy _env
<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">var</span> tmp-width/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">var</span> tmp-height/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L67" class="LineNr"> 67 </span> tmp-width, tmp-height <span class="Special"><-</span> <a href='../500fake-screen.mu.html#L86'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> screen-width: int
<span id="L69" class="LineNr"> 69 </span> copy-to screen-width, tmp-width
<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> screen-height: int
<span id="L71" class="LineNr"> 71 </span> copy-to screen-height, tmp-height
<span id="L72" class="LineNr"> 72 </span> <span class="muComment">#</span>
<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span>/search-space-ver
<span id="L74" class="LineNr"> 74 </span> y <span class="Special"><-</span> add <span class="Constant">1</span>/item-padding-ver
<span id="L75" class="LineNr"> 75 </span> <span class="PreProc">var</span> newest-item/eax: (addr int) <span class="Special"><-</span> get env, item-index
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy *newest-item
<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> items/<span class="muRegEsi">esi</span>: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Special"><-</span> copy _items
<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">var</span> items-data-ah/eax: (addr handle array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> get items, data
<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> _items-data/eax: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *items-data-ah
<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">var</span> items-data/<span class="muRegEdi">edi</span>: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> copy _items-data
<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">{</span>
<span id="L82" class="LineNr"> 82 </span> compare i, <span class="Constant">0</span>
<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">break-if-<</span>
<span id="L84" class="LineNr"> 84 </span> compare y, screen-height
<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">break-if->=</span>
<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> offset/eax: (offset <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> compute-offset items-data, i
<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">var</span> curr-item/eax: (addr <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> index items-data, offset
<span id="L88" class="LineNr"> 88 </span> y <span class="Special"><-</span> <a href='environment.mu.html#L117'>render-item</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, curr-item, users, y, screen-height
<span id="L89" class="LineNr"> 89 </span> i <span class="Special"><-</span> decrement
<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">loop</span>
<span id="L91" class="LineNr"> 91 </span> <span class="Delimiter">}</span>
<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> top/eax: int <span class="Special"><-</span> copy screen-height
<span id="L93" class="LineNr"> 93 </span> top <span class="Special"><-</span> subtract <span class="Constant">2</span>/menu-space-ver
<span id="L94" class="LineNr"> 94 </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> top, screen-width screen-height, <span class="Constant">0</span>/bg
<span id="L95" class="LineNr"> 95 </span><span class="Delimiter">}</span>
<span id="L96" class="LineNr"> 96 </span>
<span id="L97" class="LineNr"> 97 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L97'>render-search-input</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), env: (addr <a href='environment.mu.html#L4'>environment</a>) <span class="Delimiter">{</span>
<span id="L98" class="LineNr"> 98 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <span class="Constant">0</span>/screen, <span class="Constant">0x22</span>/x=search-position-x <span class="Constant">1</span>/y
<span id="L99" class="LineNr"> 99 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"search "</span>, <span class="Constant">7</span>/fg <span class="Constant">0</span>/bg
<span id="L100" class="LineNr">100 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"________________________________"</span>, <span class="Constant">0xf</span>/fg <span class="Constant">0</span>/bg
<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'>render-menu</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Delimiter">{</span>
<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> width/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L105" class="LineNr">105 </span> <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L106" class="LineNr">106 </span> width, y <span class="Special"><-</span> <a href='../500fake-screen.mu.html#L86'>screen-size</a> <a href='../500fake-screen.mu.html#L14'>screen</a>
<span id="L107" class="LineNr">107 </span> y <span class="Special"><-</span> decrement
<span id="L108" class="LineNr">108 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/x, y
<span id="L109" class="LineNr">109 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" / "</span>, width, <span class="Constant">0</span>/fg <span class="Constant">0xf</span>/bg
<span id="L110" class="LineNr">110 </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">" search "</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0</span>/bg
<span id="L111" class="LineNr">111 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^f "</span>, width, <span class="Constant">0</span>/fg <span class="Constant">0xf</span>/bg
<span id="L112" class="LineNr">112 </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">" next page "</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0</span>/bg
<span id="L113" class="LineNr">113 </span> <a href='../501draw-text.mu.html#L133'>draw-text-rightward-from-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">" ^b "</span>, width, <span class="Constant">0</span>/fg <span class="Constant">0xf</span>/bg
<span id="L114" class="LineNr">114 </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">" previous page "</span>, width, <span class="Constant">0xf</span>/fg, <span class="Constant">0</span>/bg
<span id="L115" class="LineNr">115 </span><span class="Delimiter">}</span>
<span id="L116" class="LineNr">116 </span>
<span id="L117" class="LineNr">117 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L117'>render-item</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), _item: (addr <a href='main.mu.html#L14'>item</a>), _users: (addr array <a href='main.mu.html#L7'>user</a>), y: int, screen-height: int<span class="PreProc"> -> </span>_/<span class="muRegEcx">ecx</span>: int <span class="Delimiter">{</span>
<span id="L118" class="LineNr">118 </span> <span class="PreProc">var</span> <a href='main.mu.html#L14'>item</a>/<span class="muRegEsi">esi</span>: (addr <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> copy _item
<span id="L119" class="LineNr">119 </span> <span class="PreProc">var</span> users/<span class="muRegEdi">edi</span>: (addr array <a href='main.mu.html#L7'>user</a>) <span class="Special"><-</span> copy _users
<span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> author-index-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get <a href='main.mu.html#L14'>item</a>, by
<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> author-index/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *author-index-addr
<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> author-offset/<span class="muRegEcx">ecx</span>: (offset <a href='main.mu.html#L7'>user</a>) <span class="Special"><-</span> compute-offset users, author-index
<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> author/<span class="muRegEcx">ecx</span>: (addr <a href='main.mu.html#L7'>user</a>) <span class="Special"><-</span> index users, author-offset
<span id="L124" class="LineNr">124 </span> <span class="muComment"># author avatar</span>
<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> author-avatar-ah/eax: (addr handle <a href='../511image.mu.html#L6'>image</a>) <span class="Special"><-</span> get author, avatar
<span id="L126" class="LineNr">126 </span> <span class="PreProc">var</span> _author-avatar/eax: (addr <a href='../511image.mu.html#L6'>image</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *author-avatar-ah
<span id="L127" class="LineNr">127 </span> <span class="PreProc">var</span> author-avatar/<span class="muRegEbx">ebx</span>: (addr <a href='../511image.mu.html#L6'>image</a>) <span class="Special"><-</span> copy _author-avatar
<span id="L128" class="LineNr">128 </span> <span class="Delimiter">{</span>
<span id="L129" class="LineNr">129 </span> compare author-avatar, <span class="Constant">0</span>
<span id="L130" class="LineNr">130 </span> <span class="PreProc">break-if-=</span>
<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> y/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy y
<span id="L132" class="LineNr">132 </span> y <span class="Special"><-</span> shift-left <span class="Constant">4</span>/log2font-height
<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> copy <span class="Constant">0x20</span>/main-panel-hor
<span id="L134" class="LineNr">134 </span> x <span class="Special"><-</span> shift-left <span class="Constant">3</span>/log2font-width
<span id="L135" class="LineNr">135 </span> x <span class="Special"><-</span> add <span class="Constant">0x18</span>/item-padding-hor
<span id="L136" class="LineNr">136 </span> <a href='../511image.mu.html#L55'>render-image</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, author-avatar, x, y, <span class="Constant">0x50</span>/avatar-side, <span class="Constant">0x50</span>/avatar-side
<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span>
<span id="L138" class="LineNr">138 </span> <span class="muComment"># channel</span>
<span id="L139" class="LineNr">139 </span> <span class="PreProc">var</span> channel-name-ah/eax: (addr handle array byte) <span class="Special"><-</span> get <a href='main.mu.html#L14'>item</a>, <a href='main.mu.html#L1'>channel</a>
<span id="L140" class="LineNr">140 </span> <span class="PreProc">var</span> channel-name/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *channel-name-ah
<span id="L141" class="LineNr">141 </span> <span class="Delimiter">{</span>
<span id="L142" class="LineNr">142 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> copy <span class="Constant">0x20</span>/main-panel-hor
<span id="L143" class="LineNr">143 </span> x <span class="Special"><-</span> add <span class="Constant">0x40</span>/channel-offset-x
<span id="L144" class="LineNr">144 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x y
<span id="L145" class="LineNr">145 </span> <span class="Delimiter">}</span>
<span id="L146" class="LineNr">146 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"#"</span>, <span class="Constant">7</span>/grey <span class="Constant">0</span>/black
<span id="L147" class="LineNr">147 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, channel-name, <span class="Constant">7</span>/grey <span class="Constant">0</span>/black
<span id="L148" class="LineNr">148 </span> <span class="muComment"># author name</span>
<span id="L149" class="LineNr">149 </span> <span class="PreProc">var</span> author-real-name-ah/eax: (addr handle array byte) <span class="Special"><-</span> get author, real-name
<span id="L150" class="LineNr">150 </span> <span class="PreProc">var</span> author-real-name/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *author-real-name-ah
<span id="L151" class="LineNr">151 </span> <span class="Delimiter">{</span>
<span id="L152" class="LineNr">152 </span> <span class="PreProc">var</span> x/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0x20</span>/main-panel-hor
<span id="L153" class="LineNr">153 </span> x <span class="Special"><-</span> add <span class="Constant">0x10</span>/avatar-space-hor
<span id="L154" class="LineNr">154 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, x y
<span id="L155" class="LineNr">155 </span> <a href='../501draw-text.mu.html#L276'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, author-real-name, <span class="Constant">0xf</span>/white <span class="Constant">0</span>/black
<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span>
<span id="L157" class="LineNr">157 </span> increment y
<span id="L158" class="LineNr">158 </span> <span class="muComment"># text</span>
<span id="L159" class="LineNr">159 </span> <span class="PreProc">var</span> text-ah/eax: (addr handle array byte) <span class="Special"><-</span> get <a href='main.mu.html#L14'>item</a>, text
<span id="L160" class="LineNr">160 </span> <span class="PreProc">var</span> _text/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *text-ah
<span id="L161" class="LineNr">161 </span> <span class="PreProc">var</span> text/<span class="muRegEdx">edx</span>: (addr array byte) <span class="Special"><-</span> copy _text
<span id="L162" class="LineNr">162 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> copy <span class="Constant">0x20</span>/main-panel-hor
<span id="L163" class="LineNr">163 </span> x <span class="Special"><-</span> add <span class="Constant">0x10</span>/avatar-space-hor
<span id="L164" class="LineNr">164 </span> <span class="PreProc">var</span> text-y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy y
<span id="L165" class="LineNr">165 </span> text-y <span class="Special"><-</span> add <span class="Constant">1</span>/author-name-padding-ver
<span id="L166" class="LineNr">166 </span> x, text-y <span class="Special"><-</span> <a href='../501draw-text.mu.html#L174'>draw-text-wrapping-right-then-down</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, text, x text-y, <span class="Constant">0x70</span>/xmax=post-right-coord screen-height, x text-y, <span class="Constant">7</span>/fg <span class="Constant">0</span>/bg
<span id="L167" class="LineNr">167 </span> text-y <span class="Special"><-</span> add <span class="Constant">2</span>/item-padding-ver
<span id="L168" class="LineNr">168 </span> <span class="muComment"># flush</span>
<span id="L169" class="LineNr">169 </span> add-to y, <span class="Constant">6</span>/avatar-space-ver
<span id="L170" class="LineNr">170 </span> compare y, text-y
<span id="L171" class="LineNr">171 </span> <span class="Delimiter">{</span>
<span id="L172" class="LineNr">172 </span> <span class="PreProc">break-if-<</span>
<span id="L173" class="LineNr">173 </span> <span class="PreProc">return</span> y
<span id="L174" class="LineNr">174 </span> <span class="Delimiter">}</span>
<span id="L175" class="LineNr">175 </span> <span class="PreProc">return</span> text-y
<span id="L176" class="LineNr">176 </span><span class="Delimiter">}</span>
<span id="L177" class="LineNr">177 </span>
<span id="L178" class="LineNr">178 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L178'>update-environment</a></span> env: (addr <a href='environment.mu.html#L4'>environment</a>), key: byte, items: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Delimiter">{</span>
<span id="L179" class="LineNr">179 </span> <span class="Delimiter">{</span>
<span id="L180" class="LineNr">180 </span> compare key, <span class="Constant">6</span>/ctrl-f
<span id="L181" class="LineNr">181 </span> <span class="PreProc">break-if-!=</span>
<span id="L182" class="LineNr">182 </span> <a href='environment.mu.html#L193'>page-down</a> env, items
<span id="L183" class="LineNr">183 </span> <span class="PreProc">return</span>
<span id="L184" class="LineNr">184 </span> <span class="Delimiter">}</span>
<span id="L185" class="LineNr">185 </span> <span class="Delimiter">{</span>
<span id="L186" class="LineNr">186 </span> compare key, <span class="Constant">2</span>/ctrl-b
<span id="L187" class="LineNr">187 </span> <span class="PreProc">break-if-!=</span>
<span id="L188" class="LineNr">188 </span> <a href='environment.mu.html#L223'>page-up</a> env, items
<span id="L189" class="LineNr">189 </span> <span class="PreProc">return</span>
<span id="L190" class="LineNr">190 </span> <span class="Delimiter">}</span>
<span id="L191" class="LineNr">191 </span><span class="Delimiter">}</span>
<span id="L192" class="LineNr">192 </span>
<span id="L193" class="LineNr">193 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L193'>page-down</a></span> _env: (addr <a href='environment.mu.html#L4'>environment</a>), _items: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Delimiter">{</span>
<span id="L194" class="LineNr">194 </span> <span class="PreProc">var</span> env/<span class="muRegEdi">edi</span>: (addr <a href='environment.mu.html#L4'>environment</a>) <span class="Special"><-</span> copy _env
<span id="L195" class="LineNr">195 </span> <span class="PreProc">var</span> items/<span class="muRegEsi">esi</span>: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Special"><-</span> copy _items
<span id="L196" class="LineNr">196 </span> <span class="PreProc">var</span> items-data-ah/eax: (addr handle array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> get items, data
<span id="L197" class="LineNr">197 </span> <span class="PreProc">var</span> _items-data/eax: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *items-data-ah
<span id="L198" class="LineNr">198 </span> <span class="PreProc">var</span> items-data/<span class="muRegEbx">ebx</span>: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> copy _items-data
<span id="L199" class="LineNr">199 </span> <span class="PreProc">var</span> src/eax: (addr int) <span class="Special"><-</span> get env, item-index
<span id="L200" class="LineNr">200 </span> <span class="PreProc">var</span> new-item-index/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *src
<span id="L201" class="LineNr">201 </span> <span class="PreProc">var</span> y/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span>
<span id="L202" class="LineNr">202 </span> <span class="Delimiter">{</span>
<span id="L203" class="LineNr">203 </span> compare new-item-index, <span class="Constant">0</span>
<span id="L204" class="LineNr">204 </span> <span class="PreProc">break-if-<</span>
<span id="L205" class="LineNr">205 </span> compare y, <span class="Constant">0x28</span>/screen-height-minus-menu
<span id="L206" class="LineNr">206 </span> <span class="PreProc">break-if->=</span>
<span id="L207" class="LineNr">207 </span> <span class="PreProc">var</span> offset/eax: (offset <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> compute-offset items-data, new-item-index
<span id="L208" class="LineNr">208 </span> <span class="PreProc">var</span> <a href='main.mu.html#L14'>item</a>/eax: (addr <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> index items-data, offset
<span id="L209" class="LineNr">209 </span> <span class="PreProc">var</span> item-text-ah/eax: (addr handle array byte) <span class="Special"><-</span> get <a href='main.mu.html#L14'>item</a>, text
<span id="L210" class="LineNr">210 </span> <span class="PreProc">var</span> item-text/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *item-text-ah
<span id="L211" class="LineNr">211 </span> <span class="PreProc">var</span> h/eax: int <span class="Special"><-</span> <a href='environment.mu.html#L255'>estimate-height</a> item-text
<span id="L212" class="LineNr">212 </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="L213" class="LineNr">213 </span> <a href='../501draw-text.mu.html#L384'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, h, <span class="Constant">4</span>/fg <span class="Constant">0</span>/bg
<span id="L214" class="LineNr">214 </span> y <span class="Special"><-</span> add h
<span id="L215" class="LineNr">215 </span> new-item-index <span class="Special"><-</span> decrement
<span id="L216" class="LineNr">216 </span> <span class="PreProc">loop</span>
<span id="L217" class="LineNr">217 </span> <span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span> new-item-index <span class="Special"><-</span> increment
<span id="L219" class="LineNr">219 </span> <span class="PreProc">var</span> dest/eax: (addr int) <span class="Special"><-</span> get env, item-index
<span id="L220" class="LineNr">220 </span> copy-to *dest, new-item-index
<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L223'>page-up</a></span> _env: (addr <a href='environment.mu.html#L4'>environment</a>), _items: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Delimiter">{</span>
<span id="L224" class="LineNr">224 </span> <span class="PreProc">var</span> env/<span class="muRegEdi">edi</span>: (addr <a href='environment.mu.html#L4'>environment</a>) <span class="Special"><-</span> copy _env
<span id="L225" class="LineNr">225 </span> <span class="PreProc">var</span> items/<span class="muRegEsi">esi</span>: (addr <a href='main.mu.html#L24'>item-list</a>) <span class="Special"><-</span> copy _items
<span id="L226" class="LineNr">226 </span> <span class="PreProc">var</span> items-data-ah/eax: (addr handle array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> get items, data
<span id="L227" class="LineNr">227 </span> <span class="PreProc">var</span> _items-data/eax: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *items-data-ah
<span id="L228" class="LineNr">228 </span> <span class="PreProc">var</span> items-data/<span class="muRegEbx">ebx</span>: (addr array <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> copy _items-data
<span id="L229" class="LineNr">229 </span> <span class="PreProc">var</span> newest-item-index-a/<span class="muRegEsi">esi</span>: (addr int) <span class="Special"><-</span> get items, newest
<span id="L230" class="LineNr">230 </span> <span class="PreProc">var</span> src/eax: (addr int) <span class="Special"><-</span> get env, item-index
<span id="L231" class="LineNr">231 </span> <span class="PreProc">var</span> new-item-index/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *src
<span id="L232" class="LineNr">232 </span> <span class="PreProc">var</span> y/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span>
<span id="L233" class="LineNr">233 </span> <span class="Delimiter">{</span>
<span id="L234" class="LineNr">234 </span> compare new-item-index, *newest-item-index-a
<span id="L235" class="LineNr">235 </span> <span class="PreProc">break-if-></span>
<span id="L236" class="LineNr">236 </span> compare y, <span class="Constant">0x28</span>/screen-height-minus-menu
<span id="L237" class="LineNr">237 </span> <span class="PreProc">break-if->=</span>
<span id="L238" class="LineNr">238 </span> <span class="PreProc">var</span> offset/eax: (offset <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> compute-offset items-data, new-item-index
<span id="L239" class="LineNr">239 </span> <span class="PreProc">var</span> <a href='main.mu.html#L14'>item</a>/eax: (addr <a href='main.mu.html#L14'>item</a>) <span class="Special"><-</span> index items-data, offset
<span id="L240" class="LineNr">240 </span> <span class="PreProc">var</span> item-text-ah/eax: (addr handle array byte) <span class="Special"><-</span> get <a href='main.mu.html#L14'>item</a>, text
<span id="L241" class="LineNr">241 </span> <span class="PreProc">var</span> item-text/eax: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *item-text-ah
<span id="L242" class="LineNr">242 </span> <span class="PreProc">var</span> h/eax: int <span class="Special"><-</span> <a href='environment.mu.html#L255'>estimate-height</a> item-text
<span id="L243" class="LineNr">243 </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="L244" class="LineNr">244 </span> <a href='../501draw-text.mu.html#L384'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, h, <span class="Constant">4</span>/fg <span class="Constant">0</span>/bg
<span id="L245" class="LineNr">245 </span> y <span class="Special"><-</span> add h
<span id="L246" class="LineNr">246 </span> new-item-index <span class="Special"><-</span> increment
<span id="L247" class="LineNr">247 </span> <span class="PreProc">loop</span>
<span id="L248" class="LineNr">248 </span> <span class="Delimiter">}</span>
<span id="L249" class="LineNr">249 </span> new-item-index <span class="Special"><-</span> decrement
<span id="L250" class="LineNr">250 </span> <span class="PreProc">var</span> dest/eax: (addr int) <span class="Special"><-</span> get env, item-index
<span id="L251" class="LineNr">251 </span> copy-to *dest, new-item-index
<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span>
<span id="L254" class="LineNr">254 </span><span class="muComment"># keep sync'd with render-item</span>
<span id="L255" class="LineNr">255 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L255'>estimate-height</a></span> _message-text: (addr array byte)<span class="PreProc"> -> </span>_/eax: int <span class="Delimiter">{</span>
<span id="L256" class="LineNr">256 </span> <span class="PreProc">var</span> message-text/<span class="muRegEsi">esi</span>: (addr array byte) <span class="Special"><-</span> copy _message-text
<span id="L257" class="LineNr">257 </span> <span class="PreProc">var</span> result/eax: int <span class="Special"><-</span> length message-text
<span id="L258" class="LineNr">258 </span> <span class="PreProc">var</span> remainder/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L259" class="LineNr">259 </span> result, remainder <span class="Special"><-</span> <a href='../314divide.subx.html#L3'>integer-divide</a> result, <span class="Constant">0x40</span>/post-width
<span id="L260" class="LineNr">260 </span> compare remainder, <span class="Constant">0</span>
<span id="L261" class="LineNr">261 </span> <span class="Delimiter">{</span>
<span id="L262" class="LineNr">262 </span> <span class="PreProc">break-if-=</span>
<span id="L263" class="LineNr">263 </span> result <span class="Special"><-</span> increment
<span id="L264" class="LineNr">264 </span> <span class="Delimiter">}</span>
<span id="L265" class="LineNr">265 </span> result <span class="Special"><-</span> add <span class="Constant">2</span>/item-padding-ver
<span id="L266" class="LineNr">266 </span> compare result, <span class="Constant">6</span>/avatar-space-ver
<span id="L267" class="LineNr">267 </span> <span class="Delimiter">{</span>
<span id="L268" class="LineNr">268 </span> <span class="PreProc">break-if-></span>
<span id="L269" class="LineNr">269 </span> <span class="PreProc">return</span> <span class="Constant">6</span>/avatar-space-ver
<span id="L270" class="LineNr">270 </span> <span class="Delimiter">}</span>
<span id="L271" class="LineNr">271 </span> <span class="PreProc">return</span> result
<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span>
</pre>
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