2021-04-21 15:28:00 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
< html >
< head >
< meta http-equiv = "content-type" content = "text/html; charset=UTF-8" >
< title > Mu - 500fake-screen.mu< / title >
< meta name = "Generator" content = "Vim/8.1" >
< meta name = "plugin-version" content = "vim8.1_v1" >
< meta name = "syntax" content = "none" >
< meta name = "settings" content = "number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=" >
< meta name = "colorscheme" content = "minimal-dark" >
< style type = "text/css" >
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #a8a8a8; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #a8a8a8; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.PreProc { color: #c000c0; }
.Special { color: #ff6060; }
.LineNr { }
.Constant { color: #008787; }
.Delimiter { color: #c000c0; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muComment { color: #005faf; }
-->
< / style >
< script type = 'text/javascript' >
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
var lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
< / script >
< / head >
< body onload = 'JumpToLine();' >
< a href = 'https://github.com/akkartik/mu/blob/main/500fake-screen.mu' > https://github.com/akkartik/mu/blob/main/500fake-screen.mu< / a >
< pre id = 'vimCodeElement' >
< span id = "L1" class = "LineNr" > 1 < / span > < span class = "muComment" > # Testable primitives for writing to screen.< / span >
< span id = "L2" class = "LineNr" > 2 < / span > < span class = "muComment" > #< / span >
< span id = "L3" class = "LineNr" > 3 < / span > < span class = "muComment" > # Mu mostly uses the screen for text, but it builds it out of pixel graphics< / span >
< span id = "L4" class = "LineNr" > 4 < / span > < span class = "muComment" > # and a bitmap font. There is no support for a blinking cursor, scrolling and< / span >
< span id = "L5" class = "LineNr" > 5 < / span > < span class = "muComment" > # so on.< / span >
< span id = "L6" class = "LineNr" > 6 < / span > < span class = "muComment" > #< / span >
< span id = "L7" class = "LineNr" > 7 < / span > < span class = "muComment" > # Fake screens are primarily for testing text-mode prints. However, they do< / span >
< span id = "L8" class = "LineNr" > 8 < / span > < span class = "muComment" > # support some rudimentary pixel operations as well. Caveats:< / span >
< span id = "L9" class = "LineNr" > 9 < / span > < span class = "muComment" > #< / span >
< span id = "L10" class = "LineNr" > 10 < / span > < span class = "muComment" > # - Drawing pixels atop text or vice versa is not supported. Results in a fake< / span >
< span id = "L11" class = "LineNr" > 11 < / span > < span class = "muComment" > # screen will not mimic real screens in these situations.< / span >
< span id = "L12" class = "LineNr" > 12 < / span > < span class = "muComment" > # - Fake screens currently also assume a fixed-width 8x16 font.< / span >
< span id = "L13" class = "LineNr" > 13 < / span >
< span id = "L14" class = "LineNr" > 14 < / span > < span class = "PreProc" > type< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > < span class = "Delimiter" > {< / span >
< span id = "L15" class = "LineNr" > 15 < / span > < span class = "muComment" > # text mode< / span >
< span id = "L16" class = "LineNr" > 16 < / span > width: int
< span id = "L17" class = "LineNr" > 17 < / span > height: int
< span id = "L18" class = "LineNr" > 18 < / span > data: (handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > )
< span id = "L19" class = "LineNr" > 19 < / span > cursor-x: int < span class = "muComment" > # [0..width)< / span >
< span id = "L20" class = "LineNr" > 20 < / span > cursor-y: int < span class = "muComment" > # [0..height)< / span >
< span id = "L21" class = "LineNr" > 21 < / span > < span class = "muComment" > # pixel graphics< / span >
< span id = "L22" class = "LineNr" > 22 < / span > pixels: (handle array byte)
< span id = "L23" class = "LineNr" > 23 < / span > < span class = "Delimiter" > }< / span >
< span id = "L24" class = "LineNr" > 24 < / span >
< span id = "L25" class = "LineNr" > 25 < / span > < span class = "PreProc" > type< / span > < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > < span class = "Delimiter" > {< / span >
< span id = "L26" class = "LineNr" > 26 < / span > data: grapheme
< span id = "L27" class = "LineNr" > 27 < / span > color: int
< span id = "L28" class = "LineNr" > 28 < / span > background-color: int
< 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 = '500fake-screen.mu.html#L31' > initialize-screen< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), width: int, height: int, pixel-graphics?: boolean < span class = "Delimiter" > {< / span >
< span id = "L32" class = "LineNr" > 32 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L33" class = "LineNr" > 33 < / span > < span class = "PreProc" > var< / span > tmp/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L34" class = "LineNr" > 34 < / span > < span class = "PreProc" > var< / span > dest/< span class = "Constant" > edi< / span > : (addr int) < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L35" class = "LineNr" > 35 < / span > < span class = "muComment" > # screen-> width = width< / span >
< span id = "L36" class = "LineNr" > 36 < / span > dest < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L37" class = "LineNr" > 37 < / span > tmp < span class = "Special" > < -< / span > copy width
< span id = "L38" class = "LineNr" > 38 < / span > copy-to *dest, tmp
< span id = "L39" class = "LineNr" > 39 < / span > < span class = "muComment" > # screen-> height = height< / span >
< span id = "L40" class = "LineNr" > 40 < / span > dest < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L41" class = "LineNr" > 41 < / span > tmp < span class = "Special" > < -< / span > copy height
< span id = "L42" class = "LineNr" > 42 < / span > copy-to *dest, tmp
< span id = "L43" class = "LineNr" > 43 < / span > < span class = "muComment" > # populate screen-> data< / span >
< span id = "L44" class = "LineNr" > 44 < / span > < span class = "Delimiter" > {< / span >
< span id = "L45" class = "LineNr" > 45 < / span > < span class = "PreProc" > var< / span > data-ah/< span class = "Constant" > edi< / span > : (addr handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , data
< span id = "L46" class = "LineNr" > 46 < / span > < span class = "PreProc" > var< / span > capacity/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy width
< span id = "L47" class = "LineNr" > 47 < / span > capacity < span class = "Special" > < -< / span > multiply height
< span id = "L48" class = "LineNr" > 48 < / span > populate data-ah, capacity
< span id = "L49" class = "LineNr" > 49 < / span > < span class = "Delimiter" > }< / span >
< span id = "L50" class = "LineNr" > 50 < / span > < span class = "muComment" > # if necessary, populate screen-> pixels< / span >
< span id = "L51" class = "LineNr" > 51 < / span > < span class = "Delimiter" > {< / span >
< span id = "L52" class = "LineNr" > 52 < / span > compare pixel-graphics?, < span class = "Constant" > 0< / span > /false
< span id = "L53" class = "LineNr" > 53 < / span > < span class = "PreProc" > break-if-=< / span >
< span id = "L54" class = "LineNr" > 54 < / span > < span class = "PreProc" > var< / span > pixels-ah/< span class = "Constant" > edi< / span > : (addr handle array byte) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , pixels
< span id = "L55" class = "LineNr" > 55 < / span > < span class = "PreProc" > var< / span > capacity/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy width
< span id = "L56" class = "LineNr" > 56 < / span > capacity < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L57" class = "LineNr" > 57 < / span > capacity < span class = "Special" > < -< / span > multiply height
< span id = "L58" class = "LineNr" > 58 < / span > capacity < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L59" class = "LineNr" > 59 < / span > populate pixels-ah, capacity
< span id = "L60" class = "LineNr" > 60 < / span > < span class = "Delimiter" > }< / span >
< span id = "L61" class = "LineNr" > 61 < / span > < span class = "muComment" > # screen-> cursor-x = 0< / span >
< span id = "L62" class = "LineNr" > 62 < / span > dest < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-x
< span id = "L63" class = "LineNr" > 63 < / span > copy-to *dest, < span class = "Constant" > 0< / span >
< span id = "L64" class = "LineNr" > 64 < / span > < span class = "muComment" > # screen-> cursor-y = 0< / span >
< span id = "L65" class = "LineNr" > 65 < / span > dest < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-y
< span id = "L66" class = "LineNr" > 66 < / span > copy-to *dest, < span class = "Constant" > 0< / span >
< span id = "L67" class = "LineNr" > 67 < / span > < span class = "Delimiter" > }< / span >
< span id = "L68" class = "LineNr" > 68 < / span >
< span id = "L69" class = "LineNr" > 69 < / span > < span class = "muComment" > # in graphemes< / span >
< span id = "L70" class = "LineNr" > 70 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L70' > screen-size< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > )< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int, _/< span class = "Constant" > ecx< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L71" class = "LineNr" > 71 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L72" class = "LineNr" > 72 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L73" class = "LineNr" > 73 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L74" class = "LineNr" > 74 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L75" class = "LineNr" > 75 < / span > < span class = "Delimiter" > {< / span >
< span id = "L76" class = "LineNr" > 76 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L77" class = "LineNr" > 77 < / span > < span class = "PreProc" > return< / span > < span class = "Constant" > 0x80< / span > /< span class = "Constant" > 128< / span > , < span class = "Constant" > 0x30< / span > /< span class = "Constant" > 48< / span >
< span id = "L78" class = "LineNr" > 78 < / span > < span class = "Delimiter" > }< / span >
< span id = "L79" class = "LineNr" > 79 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L80" class = "LineNr" > 80 < / span > < span class = "PreProc" > var< / span > tmp/< span class = "Constant" > edx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L81" class = "LineNr" > 81 < / span > width < span class = "Special" > < -< / span > copy *tmp
< span id = "L82" class = "LineNr" > 82 < / span > tmp < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L83" class = "LineNr" > 83 < / span > height < span class = "Special" > < -< / span > copy *tmp
< span id = "L84" class = "LineNr" > 84 < / span > < span class = "PreProc" > return< / span > width, height
< span id = "L85" class = "LineNr" > 85 < / span > < span class = "Delimiter" > }< / span >
< span id = "L86" class = "LineNr" > 86 < / span >
< span id = "L87" class = "LineNr" > 87 < / span > < span class = "muComment" > # testable screen primitive< / span >
< span id = "L88" class = "LineNr" > 88 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L88' > draw-grapheme< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), g: grapheme, x: int, y: int, color: int, background-color: int < span class = "Delimiter" > {< / span >
< span id = "L89" class = "LineNr" > 89 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L90" class = "LineNr" > 90 < / span > < span class = "Delimiter" > {< / span >
< span id = "L91" class = "LineNr" > 91 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L92" class = "LineNr" > 92 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L93" class = "LineNr" > 93 < / span > < a href = '103grapheme.subx.html#L17' > draw-grapheme-on-real-screen< / a > g, x, y, color, background-color
< span id = "L94" class = "LineNr" > 94 < / span > < span class = "PreProc" > return< / span >
< span id = "L95" class = "LineNr" > 95 < / span > < span class = "Delimiter" > }< / span >
< span id = "L96" class = "LineNr" > 96 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L97" class = "LineNr" > 97 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L120' > screen-cell-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L98" class = "LineNr" > 98 < / span > < span class = "PreProc" > var< / span > data-ah/< span class = "Constant" > eax< / span > : (addr handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , data
2021-05-18 20:01:59 +00:00
< span id = "L99" class = "LineNr" > 99 < / span > < span class = "PreProc" > var< / span > data/< span class = "Constant" > eax< / span > : (addr array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *data-ah
2021-04-21 15:28:00 +00:00
< span id = "L100" class = "LineNr" > 100 < / span > < span class = "PreProc" > var< / span > offset/< span class = "Constant" > ecx< / span > : (offset < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > compute-offset data, idx
< span id = "L101" class = "LineNr" > 101 < / span > < span class = "PreProc" > var< / span > dest-cell/< span class = "Constant" > ecx< / span > : (addr < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > index data, offset
< span id = "L102" class = "LineNr" > 102 < / span > < span class = "PreProc" > var< / span > dest-grapheme/< span class = "Constant" > eax< / span > : (addr grapheme) < span class = "Special" > < -< / span > get dest-cell, data
< span id = "L103" class = "LineNr" > 103 < / span > < span class = "PreProc" > var< / span > g2/< span class = "Constant" > edx< / span > : grapheme < span class = "Special" > < -< / span > copy g
< span id = "L104" class = "LineNr" > 104 < / span > copy-to *dest-grapheme, g2
< span id = "L105" class = "LineNr" > 105 < / span > < span class = "PreProc" > var< / span > dest-color/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get dest-cell, color
< span id = "L106" class = "LineNr" > 106 < / span > < span class = "PreProc" > var< / span > src-color/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy color
< span id = "L107" class = "LineNr" > 107 < / span > copy-to *dest-color, src-color
< span id = "L108" class = "LineNr" > 108 < / span > dest-color < span class = "Special" > < -< / span > get dest-cell, background-color
< span id = "L109" class = "LineNr" > 109 < / span > src-color < span class = "Special" > < -< / span > copy background-color
< span id = "L110" class = "LineNr" > 110 < / span > copy-to *dest-color, src-color
< span id = "L111" class = "LineNr" > 111 < / span > < span class = "Delimiter" > }< / span >
< span id = "L112" class = "LineNr" > 112 < / span >
< span id = "L113" class = "LineNr" > 113 < / span > < span class = "muComment" > # we can't really render non-ASCII yet, but when we do we'll be ready< / span >
< span id = "L114" class = "LineNr" > 114 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L114' > draw-code-point< / a > < / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), c: code-point, x: int, y: int, color: int, background-color: int < span class = "Delimiter" > {< / span >
< span id = "L115" class = "LineNr" > 115 < / span > < span class = "PreProc" > var< / span > g/< span class = "Constant" > eax< / span > : grapheme < span class = "Special" > < -< / span > copy c
< span id = "L116" class = "LineNr" > 116 < / span > < a href = '500fake-screen.mu.html#L88' > draw-grapheme< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , g, x, y, color, background-color
< span id = "L117" class = "LineNr" > 117 < / span > < span class = "Delimiter" > }< / span >
< span id = "L118" class = "LineNr" > 118 < / span >
2021-05-31 17:47:05 +00:00
< span id = "L119" class = "LineNr" > 119 < / span > < span class = "muComment" > # fake screens only< / span >
2021-04-21 15:28:00 +00:00
< span id = "L120" class = "LineNr" > 120 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L120' > screen-cell-index< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > ecx< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L121" class = "LineNr" > 121 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
2021-05-31 17:47:05 +00:00
< span id = "L122" class = "LineNr" > 122 < / span > < span class = "muComment" > # some bounds checks that aren't needed for a real screen, but might help catch problems< / span >
< span id = "L123" class = "LineNr" > 123 < / span > < span class = "Delimiter" > {< / span >
< span id = "L124" class = "LineNr" > 124 < / span > compare x, < span class = "Constant" > 0< / span >
< span id = "L125" class = "LineNr" > 125 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L126" class = "LineNr" > 126 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: negative x" < / span >
< span id = "L127" class = "LineNr" > 127 < / span > < span class = "Delimiter" > }< / span >
< span id = "L128" class = "LineNr" > 128 < / span > < span class = "Delimiter" > {< / span >
< span id = "L129" class = "LineNr" > 129 < / span > < span class = "PreProc" > var< / span > xmax/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L130" class = "LineNr" > 130 < / span > < span class = "PreProc" > var< / span > xcurr/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy x
< span id = "L131" class = "LineNr" > 131 < / span > compare xcurr, *xmax
< span id = "L132" class = "LineNr" > 132 < / span > < span class = "PreProc" > break-if-< < / span >
< span id = "L133" class = "LineNr" > 133 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: x too high" < / span >
< span id = "L134" class = "LineNr" > 134 < / span > < span class = "Delimiter" > }< / span >
< span id = "L135" class = "LineNr" > 135 < / span > < span class = "Delimiter" > {< / span >
< span id = "L136" class = "LineNr" > 136 < / span > compare y, < span class = "Constant" > 0< / span >
< span id = "L137" class = "LineNr" > 137 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L138" class = "LineNr" > 138 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: negative y" < / span >
< span id = "L139" class = "LineNr" > 139 < / span > < span class = "Delimiter" > }< / span >
< span id = "L140" class = "LineNr" > 140 < / span > < span class = "Delimiter" > {< / span >
< span id = "L141" class = "LineNr" > 141 < / span > < span class = "PreProc" > var< / span > ymax/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L142" class = "LineNr" > 142 < / span > < span class = "PreProc" > var< / span > ycurr/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy y
< span id = "L143" class = "LineNr" > 143 < / span > compare ycurr, *ymax
< span id = "L144" class = "LineNr" > 144 < / span > < span class = "PreProc" > break-if-< < / span >
< span id = "L145" class = "LineNr" > 145 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: y too high" < / span >
< span id = "L146" class = "LineNr" > 146 < / span > < span class = "Delimiter" > }< / span >
< span id = "L147" class = "LineNr" > 147 < / span > < span class = "PreProc" > var< / span > width-addr/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L148" class = "LineNr" > 148 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy y
< span id = "L149" class = "LineNr" > 149 < / span > result < span class = "Special" > < -< / span > multiply *width-addr
< span id = "L150" class = "LineNr" > 150 < / span > result < span class = "Special" > < -< / span > add x
< span id = "L151" class = "LineNr" > 151 < / span > < span class = "PreProc" > return< / span > result
< span id = "L152" class = "LineNr" > 152 < / span > < span class = "Delimiter" > }< / span >
< span id = "L153" class = "LineNr" > 153 < / span >
< span id = "L154" class = "LineNr" > 154 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L154' > cursor-position< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > )< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int, _/< span class = "Constant" > ecx< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L155" class = "LineNr" > 155 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L156" class = "LineNr" > 156 < / span > < span class = "Delimiter" > {< / span >
< span id = "L157" class = "LineNr" > 157 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L158" class = "LineNr" > 158 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L159" class = "LineNr" > 159 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L160" class = "LineNr" > 160 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L161" class = "LineNr" > 161 < / span > x, y < span class = "Special" > < -< / span > < a href = '103grapheme.subx.html#L96' > cursor-position-on-real-screen< / a >
< span id = "L162" class = "LineNr" > 162 < / span > < span class = "PreProc" > return< / span > x, y
< span id = "L163" class = "LineNr" > 163 < / span > < span class = "Delimiter" > }< / span >
< span id = "L164" class = "LineNr" > 164 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L165" class = "LineNr" > 165 < / span > < span class = "PreProc" > var< / span > cursor-x-addr/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-x
< span id = "L166" class = "LineNr" > 166 < / span > < span class = "PreProc" > var< / span > cursor-y-addr/< span class = "Constant" > ecx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-y
< span id = "L167" class = "LineNr" > 167 < / span > < span class = "PreProc" > return< / span > *cursor-x-addr, *cursor-y-addr
< span id = "L168" class = "LineNr" > 168 < / span > < span class = "Delimiter" > }< / span >
< span id = "L169" class = "LineNr" > 169 < / span >
< span id = "L170" class = "LineNr" > 170 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L170' > set-cursor-position< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int < span class = "Delimiter" > {< / span >
< span id = "L171" class = "LineNr" > 171 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L172" class = "LineNr" > 172 < / span > < span class = "Delimiter" > {< / span >
< span id = "L173" class = "LineNr" > 173 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L174" class = "LineNr" > 174 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L175" class = "LineNr" > 175 < / span > < a href = '103grapheme.subx.html#L109' > set-cursor-position-on-real-screen< / a > x, y
< span id = "L176" class = "LineNr" > 176 < / span > < span class = "PreProc" > return< / span >
< span id = "L177" class = "LineNr" > 177 < / span > < span class = "Delimiter" > }< / span >
< span id = "L178" class = "LineNr" > 178 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L179" class = "LineNr" > 179 < / span > < span class = "muComment" > # ignore x < 0< / span >
< span id = "L180" class = "LineNr" > 180 < / span > < span class = "Delimiter" > {< / span >
< span id = "L181" class = "LineNr" > 181 < / span > compare x, < span class = "Constant" > 0< / span >
< span id = "L182" class = "LineNr" > 182 < / span > < span class = "PreProc" > break-if-> =< / span >
< 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 = "muComment" > # ignore x > = width< / span >
< span id = "L186" class = "LineNr" > 186 < / span > < span class = "Delimiter" > {< / span >
< span id = "L187" class = "LineNr" > 187 < / span > < span class = "PreProc" > var< / span > width-addr/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L188" class = "LineNr" > 188 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *width-addr
< span id = "L189" class = "LineNr" > 189 < / span > compare x, width
< span id = "L190" class = "LineNr" > 190 < / span > < span class = "PreProc" > break-if-< =< / span >
< span id = "L191" class = "LineNr" > 191 < / span > < span class = "PreProc" > return< / span >
< span id = "L192" class = "LineNr" > 192 < / span > < span class = "Delimiter" > }< / span >
< span id = "L193" class = "LineNr" > 193 < / span > < span class = "muComment" > # ignore y < 0< / span >
< span id = "L194" class = "LineNr" > 194 < / span > < span class = "Delimiter" > {< / span >
< span id = "L195" class = "LineNr" > 195 < / span > compare y, < span class = "Constant" > 0< / span >
< span id = "L196" class = "LineNr" > 196 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L197" class = "LineNr" > 197 < / span > < span class = "PreProc" > return< / span >
< span id = "L198" class = "LineNr" > 198 < / span > < span class = "Delimiter" > }< / span >
< span id = "L199" class = "LineNr" > 199 < / span > < span class = "muComment" > # ignore y > = height< / span >
< span id = "L200" class = "LineNr" > 200 < / span > < span class = "Delimiter" > {< / span >
< span id = "L201" class = "LineNr" > 201 < / span > < span class = "PreProc" > var< / span > height-addr/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L202" class = "LineNr" > 202 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *height-addr
< span id = "L203" class = "LineNr" > 203 < / span > compare y, height
< span id = "L204" class = "LineNr" > 204 < / span > < span class = "PreProc" > break-if-< < / span >
< span id = "L205" class = "LineNr" > 205 < / span > < span class = "PreProc" > return< / span >
< span id = "L206" class = "LineNr" > 206 < / span > < span class = "Delimiter" > }< / span >
< span id = "L207" class = "LineNr" > 207 < / span > < span class = "muComment" > # screen-> cursor-x = x< / span >
< span id = "L208" class = "LineNr" > 208 < / span > < span class = "PreProc" > var< / span > dest/< span class = "Constant" > edi< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-x
< span id = "L209" class = "LineNr" > 209 < / span > < span class = "PreProc" > var< / span > src/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy x
< span id = "L210" class = "LineNr" > 210 < / span > copy-to *dest, src
< span id = "L211" class = "LineNr" > 211 < / span > < span class = "muComment" > # screen-> cursor-y = y< / span >
< span id = "L212" class = "LineNr" > 212 < / span > dest < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , cursor-y
< span id = "L213" class = "LineNr" > 213 < / span > src < span class = "Special" > < -< / span > copy y
< span id = "L214" class = "LineNr" > 214 < / span > copy-to *dest, src
< span id = "L215" class = "LineNr" > 215 < / span > < span class = "Delimiter" > }< / span >
< span id = "L216" class = "LineNr" > 216 < / span >
< span id = "L217" class = "LineNr" > 217 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L217' > draw-cursor< / a > < / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), g: grapheme < span class = "Delimiter" > {< / span >
< span id = "L218" class = "LineNr" > 218 < / span > < span class = "Delimiter" > {< / span >
< span id = "L219" class = "LineNr" > 219 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L220" class = "LineNr" > 220 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L221" class = "LineNr" > 221 < / span > < a href = '103grapheme.subx.html#L134' > draw-cursor-on-real-screen< / a > g
< 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 = "muComment" > # fake screen< / span >
< span id = "L225" class = "LineNr" > 225 < / span > < span class = "PreProc" > var< / span > cursor-x/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L226" class = "LineNr" > 226 < / span > < span class = "PreProc" > var< / span > cursor-y/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L227" class = "LineNr" > 227 < / span > cursor-x, cursor-y < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L154' > cursor-position< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a >
< span id = "L228" class = "LineNr" > 228 < / span > < a href = '500fake-screen.mu.html#L88' > draw-grapheme< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , g, cursor-x, cursor-y, < span class = "Constant" > 0< / span > /fg, < span class = "Constant" > 7< / span > /bg
< span id = "L229" class = "LineNr" > 229 < / span > < span class = "Delimiter" > }< / span >
< span id = "L230" class = "LineNr" > 230 < / span >
< span id = "L231" class = "LineNr" > 231 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L231' > clear-screen< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Delimiter" > {< / span >
< span id = "L232" class = "LineNr" > 232 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L233" class = "LineNr" > 233 < / span > < span class = "Delimiter" > {< / span >
< span id = "L234" class = "LineNr" > 234 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L235" class = "LineNr" > 235 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L236" class = "LineNr" > 236 < / span > < a href = '500fake-screen.mu.html#L365' > clear-real-screen< / a >
< span id = "L237" class = "LineNr" > 237 < / span > < span class = "PreProc" > return< / span >
< span id = "L238" class = "LineNr" > 238 < / span > < span class = "Delimiter" > }< / span >
< span id = "L239" class = "LineNr" > 239 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L240" class = "LineNr" > 240 < / 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 > , < span class = "Constant" > 0< / span >
< span id = "L241" class = "LineNr" > 241 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L242" class = "LineNr" > 242 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > ecx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L243" class = "LineNr" > 243 < / span > < span class = "Delimiter" > {< / span >
< span id = "L244" class = "LineNr" > 244 < / span > compare y, *height
< span id = "L245" class = "LineNr" > 245 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L246" class = "LineNr" > 246 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L247" class = "LineNr" > 247 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > ebx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L248" class = "LineNr" > 248 < / span > < span class = "Delimiter" > {< / span >
< span id = "L249" class = "LineNr" > 249 < / span > compare x, *width
< span id = "L250" class = "LineNr" > 250 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L251" class = "LineNr" > 251 < / span > < a href = '500fake-screen.mu.html#L114' > draw-code-point< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0x20< / span > /space, x, y, < span class = "Constant" > 0< / span > /fg=black, < span class = "Constant" > 0< / span > /bg=black
< span id = "L252" class = "LineNr" > 252 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L253" class = "LineNr" > 253 < / span > < span class = "PreProc" > loop< / span >
< span id = "L254" class = "LineNr" > 254 < / span > < span class = "Delimiter" > }< / span >
< span id = "L255" class = "LineNr" > 255 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L256" class = "LineNr" > 256 < / span > < span class = "PreProc" > loop< / span >
< span id = "L257" class = "LineNr" > 257 < / span > < span class = "Delimiter" > }< / span >
< span id = "L258" class = "LineNr" > 258 < / 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 > , < span class = "Constant" > 0< / span >
< span id = "L259" class = "LineNr" > 259 < / span > < span class = "PreProc" > var< / span > pixels-ah/< span class = "Constant" > eax< / span > : (addr handle array byte) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , pixels
< span id = "L260" class = "LineNr" > 260 < / span > < span class = "PreProc" > var< / span > pixels/< span class = "Constant" > eax< / span > : (addr array byte) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *pixels-ah
< span id = "L261" class = "LineNr" > 261 < / span > < span class = "PreProc" > var< / span > i/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L262" class = "LineNr" > 262 < / span > < span class = "PreProc" > var< / span > max/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > length pixels
< span id = "L263" class = "LineNr" > 263 < / span > < span class = "Delimiter" > {< / span >
< span id = "L264" class = "LineNr" > 264 < / span > compare i, max
< span id = "L265" class = "LineNr" > 265 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L266" class = "LineNr" > 266 < / span > < span class = "PreProc" > var< / span > curr/< span class = "Constant" > eax< / span > : (addr byte) < span class = "Special" > < -< / span > index pixels, i
< span id = "L267" class = "LineNr" > 267 < / span > < span class = "PreProc" > var< / span > zero/< span class = "Constant" > ebx< / span > : byte < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L268" class = "LineNr" > 268 < / span > copy-byte-to *curr, zero
< span id = "L269" class = "LineNr" > 269 < / span > i < span class = "Special" > < -< / span > increment
< span id = "L270" class = "LineNr" > 270 < / span > < span class = "PreProc" > loop< / span >
< span id = "L271" class = "LineNr" > 271 < / span > < span class = "Delimiter" > }< / span >
< span id = "L272" class = "LineNr" > 272 < / span > < span class = "Delimiter" > }< / span >
< span id = "L273" class = "LineNr" > 273 < / span >
< span id = "L274" class = "LineNr" > 274 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L274' > fake-screen-empty?< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > )< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : boolean < span class = "Delimiter" > {< / span >
< span id = "L275" class = "LineNr" > 275 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L276" class = "LineNr" > 276 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L277" class = "LineNr" > 277 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > ecx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L278" class = "LineNr" > 278 < / span > < span class = "Delimiter" > {< / span >
< span id = "L279" class = "LineNr" > 279 < / span > compare y, *height
< span id = "L280" class = "LineNr" > 280 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L281" class = "LineNr" > 281 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L282" class = "LineNr" > 282 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > ebx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L283" class = "LineNr" > 283 < / span > < span class = "Delimiter" > {< / span >
< span id = "L284" class = "LineNr" > 284 < / span > compare x, *width
< span id = "L285" class = "LineNr" > 285 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L286" class = "LineNr" > 286 < / span > < span class = "PreProc" > var< / span > g/< span class = "Constant" > eax< / span > : grapheme < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L407' > screen-grapheme-at< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L287" class = "LineNr" > 287 < / span > < span class = "Delimiter" > {< / span >
< span id = "L288" class = "LineNr" > 288 < / span > compare g, < span class = "Constant" > 0< / span >
< span id = "L289" class = "LineNr" > 289 < / span > < span class = "PreProc" > break-if-=< / span >
< span id = "L290" class = "LineNr" > 290 < / span > compare g, < span class = "Constant" > 0x20< / span > /space
< span id = "L291" class = "LineNr" > 291 < / span > < span class = "PreProc" > break-if-=< / span >
< span id = "L292" class = "LineNr" > 292 < / span > < span class = "PreProc" > return< / span > < span class = "Constant" > 0< / span > /false
< span id = "L293" class = "LineNr" > 293 < / span > < span class = "Delimiter" > }< / span >
< span id = "L294" class = "LineNr" > 294 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L295" class = "LineNr" > 295 < / span > < span class = "PreProc" > loop< / span >
< span id = "L296" class = "LineNr" > 296 < / span > < span class = "Delimiter" > }< / span >
< span id = "L297" class = "LineNr" > 297 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L298" class = "LineNr" > 298 < / span > < span class = "PreProc" > loop< / span >
< span id = "L299" class = "LineNr" > 299 < / span > < span class = "Delimiter" > }< / span >
< span id = "L300" class = "LineNr" > 300 < / span > < span class = "PreProc" > var< / span > pixels-ah/< span class = "Constant" > eax< / span > : (addr handle array byte) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , pixels
< span id = "L301" class = "LineNr" > 301 < / span > < span class = "PreProc" > var< / span > pixels/< span class = "Constant" > eax< / span > : (addr array byte) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *pixels-ah
< span id = "L302" class = "LineNr" > 302 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > ebx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L303" class = "LineNr" > 303 < / span > < span class = "PreProc" > var< / span > height-addr/< span class = "Constant" > edx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L304" class = "LineNr" > 304 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy *height-addr
< span id = "L305" class = "LineNr" > 305 < / span > height < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L306" class = "LineNr" > 306 < / span > < span class = "Delimiter" > {< / span >
< span id = "L307" class = "LineNr" > 307 < / span > compare y, height
< span id = "L308" class = "LineNr" > 308 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L309" class = "LineNr" > 309 < / span > < span class = "PreProc" > var< / span > width-addr/< span class = "Constant" > edx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L310" class = "LineNr" > 310 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy *width-addr
< span id = "L311" class = "LineNr" > 311 < / span > width < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L312" class = "LineNr" > 312 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edi< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L313" class = "LineNr" > 313 < / span > < span class = "Delimiter" > {< / span >
< span id = "L314" class = "LineNr" > 314 < / span > compare x, width
< span id = "L315" class = "LineNr" > 315 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L316" class = "LineNr" > 316 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L485' > pixel-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L317" class = "LineNr" > 317 < / span > < span class = "PreProc" > var< / span > color-addr/< span class = "Constant" > ecx< / span > : (addr byte) < span class = "Special" > < -< / span > index pixels, idx
< span id = "L318" class = "LineNr" > 318 < / span > < span class = "PreProc" > var< / span > color/< span class = "Constant" > ecx< / span > : byte < span class = "Special" > < -< / span > copy-byte *color-addr
< span id = "L319" class = "LineNr" > 319 < / span > compare color, < span class = "Constant" > 0< / span >
< span id = "L320" class = "LineNr" > 320 < / span > < span class = "Delimiter" > {< / span >
< span id = "L321" class = "LineNr" > 321 < / span > < span class = "PreProc" > break-if-=< / span >
< span id = "L322" class = "LineNr" > 322 < / span > < span class = "PreProc" > return< / span > < span class = "Constant" > 0< / span > /false
< span id = "L323" class = "LineNr" > 323 < / span > < span class = "Delimiter" > }< / span >
< span id = "L324" class = "LineNr" > 324 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L325" class = "LineNr" > 325 < / span > < span class = "PreProc" > loop< / span >
< span id = "L326" class = "LineNr" > 326 < / span > < span class = "Delimiter" > }< / span >
< span id = "L327" class = "LineNr" > 327 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L328" class = "LineNr" > 328 < / span > < span class = "PreProc" > loop< / span >
< span id = "L329" class = "LineNr" > 329 < / span > < span class = "Delimiter" > }< / span >
< span id = "L330" class = "LineNr" > 330 < / span > < span class = "PreProc" > return< / span > < span class = "Constant" > 1< / span > /true
< span id = "L331" class = "LineNr" > 331 < / span > < span class = "Delimiter" > }< / span >
< span id = "L332" class = "LineNr" > 332 < / span >
< span id = "L333" class = "LineNr" > 333 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L333' > clear-rect< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), xmin: int, ymin: int, xmax: int, ymax: int, background-color: int < span class = "Delimiter" > {< / span >
< span id = "L334" class = "LineNr" > 334 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L335" class = "LineNr" > 335 < / span > < span class = "Delimiter" > {< / span >
< span id = "L336" class = "LineNr" > 336 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L337" class = "LineNr" > 337 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L338" class = "LineNr" > 338 < / span > < a href = '500fake-screen.mu.html#L383' > clear-rect-on-real-screen< / a > xmin, ymin, xmax, ymax, background-color
< span id = "L339" class = "LineNr" > 339 < / span > < span class = "PreProc" > return< / span >
< span id = "L340" class = "LineNr" > 340 < / span > < span class = "Delimiter" > }< / span >
< span id = "L341" class = "LineNr" > 341 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L342" class = "LineNr" > 342 < / 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 > , < span class = "Constant" > 0< / span >
< span id = "L343" class = "LineNr" > 343 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy ymin
< span id = "L344" class = "LineNr" > 344 < / span > < span class = "PreProc" > var< / span > ymax/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy ymax
< span id = "L345" class = "LineNr" > 345 < / span > < span class = "Delimiter" > {< / span >
< span id = "L346" class = "LineNr" > 346 < / span > compare y, ymax
< span id = "L347" class = "LineNr" > 347 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L348" class = "LineNr" > 348 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy xmin
< span id = "L349" class = "LineNr" > 349 < / span > < span class = "PreProc" > var< / span > xmax/< span class = "Constant" > ebx< / span > : int < span class = "Special" > < -< / span > copy xmax
< span id = "L350" class = "LineNr" > 350 < / span > < span class = "Delimiter" > {< / span >
< span id = "L351" class = "LineNr" > 351 < / span > compare x, xmax
< span id = "L352" class = "LineNr" > 352 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L353" class = "LineNr" > 353 < / span > < a href = '500fake-screen.mu.html#L114' > draw-code-point< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0x20< / span > /space, x, y, < span class = "Constant" > 0< / span > /fg, background-color
< span id = "L354" class = "LineNr" > 354 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L355" class = "LineNr" > 355 < / span > < span class = "PreProc" > loop< / span >
< span id = "L356" class = "LineNr" > 356 < / span > < span class = "Delimiter" > }< / span >
< span id = "L357" class = "LineNr" > 357 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L358" class = "LineNr" > 358 < / span > < span class = "PreProc" > loop< / span >
< span id = "L359" class = "LineNr" > 359 < / span > < span class = "Delimiter" > }< / span >
< span id = "L360" class = "LineNr" > 360 < / 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 > , < span class = "Constant" > 0< / span >
< span id = "L361" class = "LineNr" > 361 < / span > < span class = "Delimiter" > }< / span >
< span id = "L362" class = "LineNr" > 362 < / span >
< span id = "L363" class = "LineNr" > 363 < / span > < span class = "muComment" > # there's no grapheme that guarantees to cover every pixel, so we'll bump down< / span >
< span id = "L364" class = "LineNr" > 364 < / span > < span class = "muComment" > # to pixels for a real screen< / span >
< span id = "L365" class = "LineNr" > 365 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L365' > clear-real-screen< / a > < / span > < span class = "Delimiter" > {< / span >
< span id = "L366" class = "LineNr" > 366 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L367" class = "LineNr" > 367 < / span > < span class = "Delimiter" > {< / span >
< span id = "L368" class = "LineNr" > 368 < / span > compare y, < span class = "Constant" > 0x300< / span > /screen-height=< span class = "Constant" > 768< / span >
< span id = "L369" class = "LineNr" > 369 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L370" class = "LineNr" > 370 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L371" class = "LineNr" > 371 < / span > < span class = "Delimiter" > {< / span >
< span id = "L372" class = "LineNr" > 372 < / span > compare x, < span class = "Constant" > 0x400< / span > /screen-width=< span class = "Constant" > 1024< / span >
< span id = "L373" class = "LineNr" > 373 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L374" class = "LineNr" > 374 < / span > < a href = '101screen.subx.html#L8' > pixel-on-real-screen< / a > x, y, < span class = "Constant" > 0< / span > /color=black
< span id = "L375" class = "LineNr" > 375 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L376" class = "LineNr" > 376 < / span > < span class = "PreProc" > loop< / span >
< span id = "L377" class = "LineNr" > 377 < / span > < span class = "Delimiter" > }< / span >
< span id = "L378" class = "LineNr" > 378 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L379" class = "LineNr" > 379 < / span > < span class = "PreProc" > loop< / span >
< span id = "L380" class = "LineNr" > 380 < / span > < span class = "Delimiter" > }< / span >
< span id = "L381" class = "LineNr" > 381 < / span > < span class = "Delimiter" > }< / span >
< span id = "L382" class = "LineNr" > 382 < / span >
< span id = "L383" class = "LineNr" > 383 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L383' > clear-rect-on-real-screen< / a > < / span > xmin: int, ymin: int, xmax: int, ymax: int, background-color: int < span class = "Delimiter" > {< / span >
< span id = "L384" class = "LineNr" > 384 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy ymin
< span id = "L385" class = "LineNr" > 385 < / span > y < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L386" class = "LineNr" > 386 < / span > < span class = "PreProc" > var< / span > ymax/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy ymax
< span id = "L387" class = "LineNr" > 387 < / span > ymax < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L388" class = "LineNr" > 388 < / span > < span class = "Delimiter" > {< / span >
< span id = "L389" class = "LineNr" > 389 < / span > compare y, ymax
< span id = "L390" class = "LineNr" > 390 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L391" class = "LineNr" > 391 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy xmin
< span id = "L392" class = "LineNr" > 392 < / span > x < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L393" class = "LineNr" > 393 < / span > < span class = "PreProc" > var< / span > xmax/< span class = "Constant" > ebx< / span > : int < span class = "Special" > < -< / span > copy xmax
< span id = "L394" class = "LineNr" > 394 < / span > xmax < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L395" class = "LineNr" > 395 < / span > < span class = "Delimiter" > {< / span >
< span id = "L396" class = "LineNr" > 396 < / span > compare x, xmax
< span id = "L397" class = "LineNr" > 397 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L398" class = "LineNr" > 398 < / span > < a href = '101screen.subx.html#L8' > pixel-on-real-screen< / a > x, y, background-color
< span id = "L399" class = "LineNr" > 399 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L400" class = "LineNr" > 400 < / span > < span class = "PreProc" > loop< / span >
< span id = "L401" class = "LineNr" > 401 < / span > < span class = "Delimiter" > }< / span >
< span id = "L402" class = "LineNr" > 402 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L403" class = "LineNr" > 403 < / span > < span class = "PreProc" > loop< / span >
< span id = "L404" class = "LineNr" > 404 < / span > < span class = "Delimiter" > }< / span >
< span id = "L405" class = "LineNr" > 405 < / span > < span class = "Delimiter" > }< / span >
< span id = "L406" class = "LineNr" > 406 < / span >
< span id = "L407" class = "LineNr" > 407 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L407' > screen-grapheme-at< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : grapheme < span class = "Delimiter" > {< / span >
< span id = "L408" class = "LineNr" > 408 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L409" class = "LineNr" > 409 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L120' > screen-cell-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L410" class = "LineNr" > 410 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > eax< / span > : grapheme < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L414' > screen-grapheme-at-idx< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , idx
< span id = "L411" class = "LineNr" > 411 < / span > < span class = "PreProc" > return< / span > result
< span id = "L412" class = "LineNr" > 412 < / span > < span class = "Delimiter" > }< / span >
< span id = "L413" class = "LineNr" > 413 < / span >
< span id = "L414" class = "LineNr" > 414 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L414' > screen-grapheme-at-idx< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), idx-on-stack: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : grapheme < span class = "Delimiter" > {< / span >
< span id = "L415" class = "LineNr" > 415 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L416" class = "LineNr" > 416 < / span > < span class = "PreProc" > var< / span > data-ah/< span class = "Constant" > eax< / span > : (addr handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , data
< span id = "L417" class = "LineNr" > 417 < / span > < span class = "PreProc" > var< / span > data/< span class = "Constant" > eax< / span > : (addr array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *data-ah
< span id = "L418" class = "LineNr" > 418 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy idx-on-stack
< span id = "L419" class = "LineNr" > 419 < / span > < span class = "PreProc" > var< / span > offset/< span class = "Constant" > ecx< / span > : (offset < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > compute-offset data, idx
< span id = "L420" class = "LineNr" > 420 < / span > < span class = "PreProc" > var< / span > cell/< span class = "Constant" > eax< / span > : (addr < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > index data, offset
< span id = "L421" class = "LineNr" > 421 < / span > < span class = "PreProc" > var< / span > src/< span class = "Constant" > eax< / span > : (addr grapheme) < span class = "Special" > < -< / span > get cell, data
< span id = "L422" class = "LineNr" > 422 < / span > < span class = "PreProc" > return< / span > *src
< span id = "L423" class = "LineNr" > 423 < / span > < span class = "Delimiter" > }< / span >
< span id = "L424" class = "LineNr" > 424 < / span >
< span id = "L425" class = "LineNr" > 425 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L425' > screen-color-at< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L426" class = "LineNr" > 426 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L427" class = "LineNr" > 427 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L120' > screen-cell-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L428" class = "LineNr" > 428 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L432' > screen-color-at-idx< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , idx
< span id = "L429" class = "LineNr" > 429 < / span > < span class = "PreProc" > return< / span > result
< span id = "L430" class = "LineNr" > 430 < / span > < span class = "Delimiter" > }< / span >
< span id = "L431" class = "LineNr" > 431 < / span >
< span id = "L432" class = "LineNr" > 432 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L432' > screen-color-at-idx< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), idx-on-stack: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L433" class = "LineNr" > 433 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L434" class = "LineNr" > 434 < / span > < span class = "PreProc" > var< / span > data-ah/< span class = "Constant" > eax< / span > : (addr handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , data
< span id = "L435" class = "LineNr" > 435 < / span > < span class = "PreProc" > var< / span > data/< span class = "Constant" > eax< / span > : (addr array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *data-ah
< span id = "L436" class = "LineNr" > 436 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy idx-on-stack
< span id = "L437" class = "LineNr" > 437 < / span > < span class = "PreProc" > var< / span > offset/< span class = "Constant" > ecx< / span > : (offset < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > compute-offset data, idx
< span id = "L438" class = "LineNr" > 438 < / span > < span class = "PreProc" > var< / span > cell/< span class = "Constant" > eax< / span > : (addr < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > index data, offset
< span id = "L439" class = "LineNr" > 439 < / span > < span class = "PreProc" > var< / span > src/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get cell, color
< span id = "L440" class = "LineNr" > 440 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *src
< span id = "L441" class = "LineNr" > 441 < / span > < span class = "PreProc" > return< / span > result
< span id = "L442" class = "LineNr" > 442 < / span > < span class = "Delimiter" > }< / span >
< span id = "L443" class = "LineNr" > 443 < / span >
< span id = "L444" class = "LineNr" > 444 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L444' > screen-background-color-at< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L445" class = "LineNr" > 445 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L446" class = "LineNr" > 446 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L120' > screen-cell-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L447" class = "LineNr" > 447 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L451' > screen-background-color-at-idx< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , idx
< span id = "L448" class = "LineNr" > 448 < / span > < span class = "PreProc" > return< / span > result
< span id = "L449" class = "LineNr" > 449 < / span > < span class = "Delimiter" > }< / span >
< span id = "L450" class = "LineNr" > 450 < / span >
< span id = "L451" class = "LineNr" > 451 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L451' > screen-background-color-at-idx< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), idx-on-stack: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > eax< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L452" class = "LineNr" > 452 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L453" class = "LineNr" > 453 < / span > < span class = "PreProc" > var< / span > data-ah/< span class = "Constant" > eax< / span > : (addr handle array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , data
< span id = "L454" class = "LineNr" > 454 < / span > < span class = "PreProc" > var< / span > data/< span class = "Constant" > eax< / span > : (addr array < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *data-ah
< span id = "L455" class = "LineNr" > 455 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy idx-on-stack
< span id = "L456" class = "LineNr" > 456 < / span > < span class = "PreProc" > var< / span > offset/< span class = "Constant" > ecx< / span > : (offset < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > compute-offset data, idx
< span id = "L457" class = "LineNr" > 457 < / span > < span class = "PreProc" > var< / span > cell/< span class = "Constant" > eax< / span > : (addr < a href = '500fake-screen.mu.html#L25' > screen-cell< / a > ) < span class = "Special" > < -< / span > index data, offset
< span id = "L458" class = "LineNr" > 458 < / span > < span class = "PreProc" > var< / span > src/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get cell, background-color
< span id = "L459" class = "LineNr" > 459 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *src
< span id = "L460" class = "LineNr" > 460 < / span > < span class = "PreProc" > return< / span > result
< span id = "L461" class = "LineNr" > 461 < / span > < span class = "Delimiter" > }< / span >
< span id = "L462" class = "LineNr" > 462 < / span >
< span id = "L463" class = "LineNr" > 463 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L463' > pixel< / a > < / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int, color: int < span class = "Delimiter" > {< / span >
< span id = "L464" class = "LineNr" > 464 < / span > < span class = "Delimiter" > {< / span >
< span id = "L465" class = "LineNr" > 465 < / span > compare < a href = '500fake-screen.mu.html#L14' > screen< / a > , < span class = "Constant" > 0< / span >
< span id = "L466" class = "LineNr" > 466 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L467" class = "LineNr" > 467 < / span > < a href = '101screen.subx.html#L8' > pixel-on-real-screen< / a > x, y, color
< span id = "L468" class = "LineNr" > 468 < / span > < span class = "PreProc" > return< / span >
< span id = "L469" class = "LineNr" > 469 < / span > < span class = "Delimiter" > }< / span >
< span id = "L470" class = "LineNr" > 470 < / span > < span class = "muComment" > # fake screen< / span >
< span id = "L471" class = "LineNr" > 471 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy < a href = '500fake-screen.mu.html#L14' > screen< / a >
< span id = "L472" class = "LineNr" > 472 < / span > < span class = "PreProc" > var< / span > pixels-ah/< span class = "Constant" > eax< / span > : (addr handle array byte) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , pixels
< span id = "L473" class = "LineNr" > 473 < / span > < span class = "PreProc" > var< / span > pixels/< span class = "Constant" > eax< / span > : (addr array byte) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *pixels-ah
< span id = "L474" class = "LineNr" > 474 < / span > < span class = "Delimiter" > {< / span >
< span id = "L475" class = "LineNr" > 475 < / span > compare pixels, < span class = "Constant" > 0< / span >
< span id = "L476" class = "LineNr" > 476 < / span > < span class = "PreProc" > break-if-!=< / span >
< span id = "L477" class = "LineNr" > 477 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " pixel graphics not enabled for this screen" < / span >
< span id = "L478" class = "LineNr" > 478 < / span > < span class = "Delimiter" > }< / span >
< span id = "L479" class = "LineNr" > 479 < / span > < span class = "PreProc" > var< / span > idx/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > < a href = '500fake-screen.mu.html#L485' > pixel-index< / a > < a href = '500fake-screen.mu.html#L14' > screen< / a > , x, y
< span id = "L480" class = "LineNr" > 480 < / span > < span class = "PreProc" > var< / span > dest/< span class = "Constant" > ecx< / span > : (addr byte) < span class = "Special" > < -< / span > index pixels, idx
< span id = "L481" class = "LineNr" > 481 < / span > < span class = "PreProc" > var< / span > src/< span class = "Constant" > eax< / span > : byte < span class = "Special" > < -< / span > copy-byte color
< span id = "L482" class = "LineNr" > 482 < / span > copy-byte-to *dest, src
< span id = "L483" class = "LineNr" > 483 < / span > < span class = "Delimiter" > }< / span >
< span id = "L484" class = "LineNr" > 484 < / span >
< span id = "L485" class = "LineNr" > 485 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L485' > pixel-index< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), x: int, y: int< span class = "PreProc" > -> < / span > _/< span class = "Constant" > ecx< / span > : int < span class = "Delimiter" > {< / span >
< span id = "L486" class = "LineNr" > 486 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L487" class = "LineNr" > 487 < / span > < span class = "Delimiter" > {< / span >
< span id = "L488" class = "LineNr" > 488 < / span > compare x, < span class = "Constant" > 0< / span >
< span id = "L489" class = "LineNr" > 489 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L490" class = "LineNr" > 490 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: negative x" < / span >
< span id = "L491" class = "LineNr" > 491 < / span > < span class = "Delimiter" > }< / span >
< span id = "L492" class = "LineNr" > 492 < / span > < span class = "Delimiter" > {< / span >
< span id = "L493" class = "LineNr" > 493 < / span > < span class = "PreProc" > var< / span > xmax-a/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L494" class = "LineNr" > 494 < / span > < span class = "PreProc" > var< / span > xmax/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *xmax-a
< span id = "L495" class = "LineNr" > 495 < / span > xmax < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L496" class = "LineNr" > 496 < / span > compare x, xmax
< span id = "L497" class = "LineNr" > 497 < / span > < span class = "PreProc" > break-if-< < / span >
< span id = "L498" class = "LineNr" > 498 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: x too high" < / span >
< span id = "L499" class = "LineNr" > 499 < / span > < span class = "Delimiter" > }< / span >
< span id = "L500" class = "LineNr" > 500 < / span > < span class = "Delimiter" > {< / span >
< span id = "L501" class = "LineNr" > 501 < / span > compare y, < span class = "Constant" > 0< / span >
< span id = "L502" class = "LineNr" > 502 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L503" class = "LineNr" > 503 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: negative y" < / span >
< span id = "L504" class = "LineNr" > 504 < / span > < span class = "Delimiter" > }< / span >
< span id = "L505" class = "LineNr" > 505 < / span > < span class = "Delimiter" > {< / span >
< span id = "L506" class = "LineNr" > 506 < / span > < span class = "PreProc" > var< / span > ymax-a/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L507" class = "LineNr" > 507 < / span > < span class = "PreProc" > var< / span > ymax/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy *ymax-a
< span id = "L508" class = "LineNr" > 508 < / span > ymax < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L509" class = "LineNr" > 509 < / span > compare y, ymax
< span id = "L510" class = "LineNr" > 510 < / span > < span class = "PreProc" > break-if-< < / span >
< span id = "L511" class = "LineNr" > 511 < / span > < a href = '317abort.subx.html#L5' > abort< / a > < span class = "Constant" > " screen-cell-index: y too high" < / span >
< span id = "L512" class = "LineNr" > 512 < / span > < span class = "Delimiter" > }< / span >
< span id = "L513" class = "LineNr" > 513 < / span > < span class = "PreProc" > var< / span > width-addr/< span class = "Constant" > eax< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L514" class = "LineNr" > 514 < / span > < span class = "PreProc" > var< / span > result/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy y
< span id = "L515" class = "LineNr" > 515 < / span > result < span class = "Special" > < -< / span > multiply *width-addr
< span id = "L516" class = "LineNr" > 516 < / span > result < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L517" class = "LineNr" > 517 < / span > result < span class = "Special" > < -< / span > add x
< span id = "L518" class = "LineNr" > 518 < / span > < span class = "PreProc" > return< / span > result
< span id = "L519" class = "LineNr" > 519 < / span > < span class = "Delimiter" > }< / span >
< span id = "L520" class = "LineNr" > 520 < / span >
< span id = "L521" class = "LineNr" > 521 < / span > < span class = "muComment" > # double-buffering primitive< / span >
< span id = "L522" class = "LineNr" > 522 < / span > < span class = "muComment" > # 'screen' must be a fake screen. 'target-screen' is usually real.< / span >
< span id = "L523" class = "LineNr" > 523 < / span > < span class = "muComment" > # Both screens must have the same size.< / span >
< span id = "L524" class = "LineNr" > 524 < / span > < span class = "PreProc" > fn< / span > < span class = "muFunction" > < a href = '500fake-screen.mu.html#L524' > copy-pixels< / a > < / span > _screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ), target-screen: (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Delimiter" > {< / span >
< span id = "L525" class = "LineNr" > 525 < / span > < span class = "PreProc" > var< / span > < a href = '500fake-screen.mu.html#L14' > screen< / a > /< span class = "Constant" > esi< / span > : (addr < a href = '500fake-screen.mu.html#L14' > screen< / a > ) < span class = "Special" > < -< / span > copy _screen
< span id = "L526" class = "LineNr" > 526 < / span > < span class = "PreProc" > var< / span > pixels-ah/< span class = "Constant" > eax< / span > : (addr handle array byte) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , pixels
< span id = "L527" class = "LineNr" > 527 < / span > < span class = "PreProc" > var< / span > _pixels/< span class = "Constant" > eax< / span > : (addr array byte) < span class = "Special" > < -< / span > < a href = '120allocate.subx.html#L223' > lookup< / a > *pixels-ah
< span id = "L528" class = "LineNr" > 528 < / span > < span class = "PreProc" > var< / span > pixels/< span class = "Constant" > edi< / span > : (addr array byte) < span class = "Special" > < -< / span > copy _pixels
< span id = "L529" class = "LineNr" > 529 < / span > < span class = "PreProc" > var< / span > width-a/< span class = "Constant" > edx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , width
< span id = "L530" class = "LineNr" > 530 < / span > < span class = "PreProc" > var< / span > width/< span class = "Constant" > edx< / span > : int < span class = "Special" > < -< / span > copy *width-a
< span id = "L531" class = "LineNr" > 531 < / span > width < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 3< / span > /log2-font-width
< span id = "L532" class = "LineNr" > 532 < / span > < span class = "PreProc" > var< / span > height-a/< span class = "Constant" > ebx< / span > : (addr int) < span class = "Special" > < -< / span > get < a href = '500fake-screen.mu.html#L14' > screen< / a > , height
< span id = "L533" class = "LineNr" > 533 < / span > < span class = "PreProc" > var< / span > height/< span class = "Constant" > ebx< / span > : int < span class = "Special" > < -< / span > copy *height-a
< span id = "L534" class = "LineNr" > 534 < / span > height < span class = "Special" > < -< / span > shift-left < span class = "Constant" > 4< / span > /log2-font-height
< span id = "L535" class = "LineNr" > 535 < / span > < span class = "PreProc" > var< / span > i/< span class = "Constant" > esi< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L536" class = "LineNr" > 536 < / span > < span class = "PreProc" > var< / span > y/< span class = "Constant" > ecx< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L537" class = "LineNr" > 537 < / span > < span class = "Delimiter" > {< / span >
< span id = "L538" class = "LineNr" > 538 < / span > < span class = "muComment" > # screen top left pixels x y width height< / span >
< span id = "L539" class = "LineNr" > 539 < / span > compare y, height
< span id = "L540" class = "LineNr" > 540 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L541" class = "LineNr" > 541 < / span > < span class = "PreProc" > var< / span > x/< span class = "Constant" > eax< / span > : int < span class = "Special" > < -< / span > copy < span class = "Constant" > 0< / span >
< span id = "L542" class = "LineNr" > 542 < / span > < span class = "Delimiter" > {< / span >
< span id = "L543" class = "LineNr" > 543 < / span > compare x, width
< span id = "L544" class = "LineNr" > 544 < / span > < span class = "PreProc" > break-if-> =< / span >
< span id = "L545" class = "LineNr" > 545 < / span > < span class = "Delimiter" > {< / span >
< span id = "L546" class = "LineNr" > 546 < / span > < span class = "PreProc" > var< / span > color-addr/< span class = "Constant" > ebx< / span > : (addr byte) < span class = "Special" > < -< / span > index pixels, i
< span id = "L547" class = "LineNr" > 547 < / span > < span class = "PreProc" > var< / span > color/< span class = "Constant" > ebx< / span > : byte < span class = "Special" > < -< / span > copy-byte *color-addr
< span id = "L548" class = "LineNr" > 548 < / span > < span class = "PreProc" > var< / span > color2/< span class = "Constant" > ebx< / span > : int < span class = "Special" > < -< / span > copy color
< span id = "L549" class = "LineNr" > 549 < / span > < a href = '500fake-screen.mu.html#L463' > pixel< / a > target-screen, x, y, color2
< span id = "L550" class = "LineNr" > 550 < / span > < span class = "Delimiter" > }< / span >
< span id = "L551" class = "LineNr" > 551 < / span > x < span class = "Special" > < -< / span > increment
< span id = "L552" class = "LineNr" > 552 < / span > i < span class = "Special" > < -< / span > increment
< span id = "L553" class = "LineNr" > 553 < / span > < span class = "PreProc" > loop< / span >
< span id = "L554" class = "LineNr" > 554 < / span > < span class = "Delimiter" > }< / span >
< span id = "L555" class = "LineNr" > 555 < / span > y < span class = "Special" > < -< / span > increment
< span id = "L556" class = "LineNr" > 556 < / span > < span class = "PreProc" > loop< / span >
< span id = "L557" class = "LineNr" > 557 < / span > < span class = "Delimiter" > }< / span >
< span id = "L558" class = "LineNr" > 558 < / span > < span class = "Delimiter" > }< / span >
2021-04-21 15:28:00 +00:00
< / pre >
< / body >
< / html >
<!-- vim: set foldmethod=manual : -->