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| author | Kartik K. Agaram <vc@akkartik.com> | 2015-11-13 10:08:57 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2015-11-13 10:08:57 -0800 |
| commit | c603cd6cef43100aa83a62e15f96fd54c9fb987e (patch) | |
| tree | d8631b1964a0200d170a996314f6e023686ff8de /html/081print.mu.html | |
| parent | 05d3592047a76db4cc8d77102508c21ca1b86e7b (diff) | |
| download | mu-c603cd6cef43100aa83a62e15f96fd54c9fb987e.tar.gz | |
2430 - make room for more transforms
Diffstat (limited to 'html/081print.mu.html')
| -rw-r--r-- | html/081print.mu.html | 722 |
1 files changed, 722 insertions, 0 deletions
diff --git a/html/081print.mu.html b/html/081print.mu.html new file mode 100644 index 00000000..19efbb1c --- /dev/null +++ b/html/081print.mu.html @@ -0,0 +1,722 @@ +<!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 - 081print.mu</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 1.05em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } +.muScenario { color: #00af00; } +.muData { color: #ffff00; } +.Comment { color: #9090ff; } +.Constant { color: #00a0a0; } +.Special { color: #ff6060; } +.Delimiter { color: #a04060; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment"># Wrappers around print primitives that take a 'screen' object and are thus</span> +<span class="Comment"># easier to test.</span> + +<span class="muData">container</span> screen [ + num-rows:number + num-columns:number + cursor-row:number + cursor-column:number + data:address:array:screen-cell +] + +<span class="muData">container</span> screen-cell [ + contents:character + color:number +] + +<span class="muRecipe">recipe</span> new-fake-screen [ + <span class="Constant">local-scope</span> + result:address:screen<span class="Special"> <- </span>new <span class="Constant">screen:type</span> + width:address:number<span class="Special"> <- </span>get-address *result, <span class="Constant">num-columns:offset</span> + *width<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + height:address:number<span class="Special"> <- </span>get-address *result, <span class="Constant">num-rows:offset</span> + *height<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + row:address:number<span class="Special"> <- </span>get-address *result, <span class="Constant">cursor-row:offset</span> + *row<span class="Special"> <- </span>copy <span class="Constant">0</span> + column:address:number<span class="Special"> <- </span>get-address *result, <span class="Constant">cursor-column:offset</span> + *column<span class="Special"> <- </span>copy <span class="Constant">0</span> + bufsize:number<span class="Special"> <- </span>multiply *width, *height + buf:address:address:array:screen-cell<span class="Special"> <- </span>get-address *result, <span class="Constant">data:offset</span> + *buf<span class="Special"> <- </span>new <span class="Constant">screen-cell:type</span>, bufsize + clear-screen result + <span class="muControl">reply</span> result +] + +<span class="muRecipe">recipe</span> clear-screen [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + <span class="Comment"># clear fake screen</span> + buf:address:array:screen-cell<span class="Special"> <- </span>get *sc, <span class="Constant">data:offset</span> + max:number<span class="Special"> <- </span>length *buf + i:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + <span class="Delimiter">{</span> + done?:boolean<span class="Special"> <- </span>greater-or-equal i, max + <span class="muControl">break-if</span> done? + curr:address:screen-cell<span class="Special"> <- </span>index-address *buf, i + curr-content:address:character<span class="Special"> <- </span>get-address *curr, <span class="Constant">contents:offset</span> + *curr-content<span class="Special"> <- </span>copy <span class="Constant">0/empty</span> + curr-color:address:number<span class="Special"> <- </span>get-address *curr, <span class="Constant">color:offset</span> + *curr-color<span class="Special"> <- </span>copy <span class="Constant">7/white</span> + i<span class="Special"> <- </span>add i, <span class="Constant">1</span> + <span class="muControl">loop</span> + <span class="Delimiter">}</span> + <span class="Comment"># reset cursor</span> + x:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-row:offset</span> + *x<span class="Special"> <- </span>copy <span class="Constant">0</span> + x<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + *x<span class="Special"> <- </span>copy <span class="Constant">0</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + clear-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> sync-screen [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="muControl">break-if</span> sc + sync-display + <span class="Delimiter">}</span> + <span class="Comment"># do nothing for fake screens</span> +] + +<span class="muRecipe">recipe</span> fake-screen-is-empty? [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="muControl">reply-unless</span> sc, <span class="Constant">1/true</span> + buf:address:array:screen-cell<span class="Special"> <- </span>get *sc, <span class="Constant">data:offset</span> + i:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + len:number<span class="Special"> <- </span>length *buf + <span class="Delimiter">{</span> + done?:boolean<span class="Special"> <- </span>greater-or-equal i, len + <span class="muControl">break-if</span> done? + curr:screen-cell<span class="Special"> <- </span>index *buf, i + curr-contents:character<span class="Special"> <- </span>get curr, <span class="Constant">contents:offset</span> + i<span class="Special"> <- </span>add i, <span class="Constant">1</span> + <span class="muControl">loop-unless</span> curr-contents + <span class="Comment"># not 0</span> + <span class="muControl">reply</span> <span class="Constant">0/false</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> <span class="Constant">1/true</span> +] + +<span class="muRecipe">recipe</span> print-character [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + c:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + color:number, color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default color to white</span> + <span class="muControl">break-if</span> color-found? + color<span class="Special"> <- </span>copy <span class="Constant">7/white</span> + <span class="Delimiter">}</span> + bg-color:number, bg-color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default bg-color to black</span> + <span class="muControl">break-if</span> bg-color-found? + bg-color<span class="Special"> <- </span>copy <span class="Constant">0/black</span> + <span class="Delimiter">}</span> + trace <span class="Constant">90</span>, <span class="Constant">[print-character]</span>, c + <span class="Delimiter">{</span> + <span class="Comment"># if x exists</span> + <span class="Comment"># (handle special cases exactly like in the real screen)</span> + <span class="muControl">break-unless</span> sc + width:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-columns:offset</span> + height:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-rows:offset</span> + <span class="Comment"># if cursor is out of bounds, silently exit</span> + row:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-row:offset</span> + legal?:boolean<span class="Special"> <- </span>greater-or-equal *row, <span class="Constant">0</span> + <span class="muControl">reply-unless</span> legal?, sc + legal?<span class="Special"> <- </span>lesser-than *row, height + <span class="muControl">reply-unless</span> legal?, sc + column:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + legal?<span class="Special"> <- </span>greater-or-equal *column, <span class="Constant">0</span> + <span class="muControl">reply-unless</span> legal?, sc + legal?<span class="Special"> <- </span>lesser-than *column, width + <span class="muControl">reply-unless</span> legal?, sc + <span class="Comment"># special-case: newline</span> + <span class="Delimiter">{</span> + newline?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span> + <span class="muControl">break-unless</span> newline? + <span class="Delimiter">{</span> + <span class="Comment"># unless cursor is already at bottom</span> + bottom:number<span class="Special"> <- </span>subtract height, <span class="Constant">1</span> + at-bottom?:boolean<span class="Special"> <- </span>greater-or-equal *row, bottom + <span class="muControl">break-if</span> at-bottom? + <span class="Comment"># move it to the next row</span> + *column<span class="Special"> <- </span>copy <span class="Constant">0</span> + *row<span class="Special"> <- </span>add *row, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># save character in fake screen</span> + index:number<span class="Special"> <- </span>multiply *row, width + index<span class="Special"> <- </span>add index, *column + buf:address:array:screen-cell<span class="Special"> <- </span>get *sc, <span class="Constant">data:offset</span> + len:number<span class="Special"> <- </span>length *buf + <span class="Comment"># special-case: backspace</span> + <span class="Delimiter">{</span> + backspace?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">8</span> + <span class="muControl">break-unless</span> backspace? + <span class="Delimiter">{</span> + <span class="Comment"># unless cursor is already at left margin</span> + at-left?:boolean<span class="Special"> <- </span>lesser-or-equal *column, <span class="Constant">0</span> + <span class="muControl">break-if</span> at-left? + <span class="Comment"># clear previous location</span> + *column<span class="Special"> <- </span>subtract *column, <span class="Constant">1</span> + index<span class="Special"> <- </span>subtract index, <span class="Constant">1</span> + cursor:address:screen-cell<span class="Special"> <- </span>index-address *buf, index + cursor-contents:address:character<span class="Special"> <- </span>get-address *cursor, <span class="Constant">contents:offset</span> + *cursor-contents<span class="Special"> <- </span>copy <span class="Constant">32/space</span> + cursor-color:address:number<span class="Special"> <- </span>get-address *cursor, <span class="Constant">color:offset</span> + *cursor-color<span class="Special"> <- </span>copy <span class="Constant">7/white</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + cursor:address:screen-cell<span class="Special"> <- </span>index-address *buf, index + cursor-contents:address:character<span class="Special"> <- </span>get-address *cursor, <span class="Constant">contents:offset</span> + *cursor-contents<span class="Special"> <- </span>copy c + cursor-color:address:number<span class="Special"> <- </span>get-address *cursor, <span class="Constant">color:offset</span> + *cursor-color<span class="Special"> <- </span>copy color + <span class="Comment"># increment column unless it's already all the way to the right</span> + <span class="Delimiter">{</span> + right:number<span class="Special"> <- </span>subtract width, <span class="Constant">1</span> + at-right?:boolean<span class="Special"> <- </span>greater-or-equal *column, right + <span class="muControl">break-if</span> at-right? + *column<span class="Special"> <- </span>add *column, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + print-character-to-display c, color, bg-color + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muScenario">scenario</span> print-character-at-top-left [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">2</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">3</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">2</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-character-color [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97/a</span>, <span class="Constant">1/red</span> + <span class="Constant">2</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">3</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">2</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># red</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-backspace-character [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">8</span> <span class="Comment"># backspace</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + <span class="Constant">3</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">4</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">3</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># cursor column</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">32</span> <span class="Comment"># space, not 'a'</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-extra-backspace-character [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">8</span> <span class="Comment"># backspace</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">8</span> <span class="Comment"># backspace</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + <span class="Constant">3</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">4</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">3</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># cursor column</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">32</span> <span class="Comment"># space, not 'a'</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-at-right-margin [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">2/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">98</span> <span class="Comment"># 'b'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">99</span> <span class="Comment"># 'c'</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + <span class="Constant">3</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">4</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">3</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># cursor column</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">4</span> <span class="Comment"># width*height</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">99</span> <span class="Comment"># 'c' over 'b'</span> + <span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-newline-character [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-row:offset</span> + <span class="Constant">3</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + <span class="Constant">4</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">5</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">4</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># cursor row</span> + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># cursor column</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muScenario">scenario</span> print-newline-at-bottom-line [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-row:offset</span> + <span class="Constant">3</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># cursor row</span> + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># cursor column</span> + ] +] + +<span class="muScenario">scenario</span> print-at-bottom-right [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">2/width</span>, <span class="Constant">2/height</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">98</span> <span class="Comment"># 'b'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">99</span> <span class="Comment"># 'c'</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">10/newline</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">100</span> <span class="Comment"># 'd'</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-row:offset</span> + <span class="Constant">3</span>:number<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">cursor-column:offset</span> + <span class="Constant">4</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">5</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">4</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># cursor row</span> + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># cursor column</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">4</span> <span class="Comment"># width*height</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span> + <span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">11</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">12</span><span class="Special"> <- </span><span class="Constant">100</span> <span class="Comment"># 'd' over 'b' and 'c' and newline</span> + <span class="Constant">13</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">14</span><span class="Special"> <- </span><span class="Constant">0</span> + ] +] + +<span class="muRecipe">recipe</span> clear-line [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, clear line in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + width:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-columns:offset</span> + column:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + original-column:number<span class="Special"> <- </span>copy *column + <span class="Comment"># space over the entire line</span> + <span class="Delimiter">{</span> + right:number<span class="Special"> <- </span>subtract width, <span class="Constant">1</span> + done?:boolean<span class="Special"> <- </span>greater-or-equal *column, right + <span class="muControl">break-if</span> done? + print-character sc, <span class="Constant">[ ]</span> <span class="Comment"># implicitly updates 'column'</span> + <span class="muControl">loop</span> + <span class="Delimiter">}</span> + <span class="Comment"># now back to where the cursor was</span> + *column<span class="Special"> <- </span>copy original-column + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + clear-line-on-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-position [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, lookup cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + row:number<span class="Special"> <- </span>get *sc, <span class="Constant">cursor-row:offset</span> + column:number<span class="Special"> <- </span>get *sc, <span class="Constant">cursor-column:offset</span> + <span class="muControl">reply</span> row, column, sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + row, column<span class="Special"> <- </span>cursor-position-on-display + <span class="muControl">reply</span> row, column, sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> move-cursor [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + new-row:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + new-column:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + row:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-row:offset</span> + *row<span class="Special"> <- </span>copy new-row + column:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + *column<span class="Special"> <- </span>copy new-column + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + move-cursor-on-display new-row, new-column + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muScenario">scenario</span> clear-line-erases-printed-characters [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Comment"># print a character</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-character <span class="Constant">1</span>:address:screen, <span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Comment"># move cursor to start of line</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>move-cursor <span class="Constant">1</span>:address:screen, <span class="Constant">0/row</span>, <span class="Constant">0/column</span> + <span class="Comment"># clear line</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>clear-line <span class="Constant">1</span>:address:screen + <span class="Constant">2</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">3</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">2</span>:address:array:screen-cell + ] + <span class="Comment"># screen should be blank</span> + memory-should-contain [ + <span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">7</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">7</span> + <span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">7</span> + <span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">11</span><span class="Special"> <- </span><span class="Constant">7</span> + <span class="Constant">12</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">13</span><span class="Special"> <- </span><span class="Constant">7</span> + <span class="Constant">14</span><span class="Special"> <- </span><span class="Constant">0</span> + <span class="Constant">15</span><span class="Special"> <- </span><span class="Constant">7</span> + ] +] + +<span class="muRecipe">recipe</span> cursor-down [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + <span class="Delimiter">{</span> + <span class="Comment"># increment row unless it's already all the way down</span> + height:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-rows:offset</span> + row:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-row:offset</span> + max:number<span class="Special"> <- </span>subtract height, <span class="Constant">1</span> + at-bottom?:boolean<span class="Special"> <- </span>greater-or-equal *row, max + <span class="muControl">break-if</span> at-bottom? + *row<span class="Special"> <- </span>add *row, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + move-cursor-down-on-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-up [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + <span class="Delimiter">{</span> + <span class="Comment"># decrement row unless it's already all the way up</span> + row:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-row:offset</span> + at-top?:boolean<span class="Special"> <- </span>lesser-or-equal *row, <span class="Constant">0</span> + <span class="muControl">break-if</span> at-top? + *row<span class="Special"> <- </span>subtract *row, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + move-cursor-up-on-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-right [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + <span class="Delimiter">{</span> + <span class="Comment"># increment column unless it's already all the way to the right</span> + width:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-columns:offset</span> + column:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + max:number<span class="Special"> <- </span>subtract width, <span class="Constant">1</span> + at-bottom?:boolean<span class="Special"> <- </span>greater-or-equal *column, max + <span class="muControl">break-if</span> at-bottom? + *column<span class="Special"> <- </span>add *column, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + move-cursor-right-on-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-left [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + <span class="Delimiter">{</span> + <span class="Comment"># decrement column unless it's already all the way to the left</span> + column:address:number<span class="Special"> <- </span>get-address *sc, <span class="Constant">cursor-column:offset</span> + at-top?:boolean<span class="Special"> <- </span>lesser-or-equal *column, <span class="Constant">0</span> + <span class="muControl">break-if</span> at-top? + *column<span class="Special"> <- </span>subtract *column, <span class="Constant">1</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + move-cursor-left-on-display + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-to-start-of-line [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + row:number, _, sc<span class="Special"> <- </span>cursor-position sc + column:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + sc<span class="Special"> <- </span>move-cursor sc, row, column + <span class="muControl">reply</span> sc/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> cursor-to-next-line [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + screen<span class="Special"> <- </span>cursor-down screen + screen<span class="Special"> <- </span>cursor-to-start-of-line screen + <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muRecipe">recipe</span> screen-width [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + width:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-columns:offset</span> + <span class="muControl">reply</span> width + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + width:number<span class="Special"> <- </span>display-width + <span class="muControl">reply</span> width +] + +<span class="muRecipe">recipe</span> screen-height [ + <span class="Constant">local-scope</span> + sc:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists, move cursor in fake screen</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> sc + height:number<span class="Special"> <- </span>get *sc, <span class="Constant">num-rows:offset</span> + <span class="muControl">reply</span> height + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + height:number<span class="Special"> <- </span>display-height + <span class="muControl">reply</span> height +] + +<span class="muRecipe">recipe</span> hide-cursor [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists (not real display), do nothing</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> screen + <span class="muControl">reply</span> screen + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + hide-cursor-on-display + <span class="muControl">reply</span> screen +] + +<span class="muRecipe">recipe</span> show-cursor [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists (not real display), do nothing</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> screen + <span class="muControl">reply</span> screen + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + show-cursor-on-display + <span class="muControl">reply</span> screen +] + +<span class="muRecipe">recipe</span> hide-screen [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists (not real display), do nothing</span> + <span class="Comment"># todo: help test this</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> screen + <span class="muControl">reply</span> screen + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + hide-display + <span class="muControl">reply</span> screen +] + +<span class="muRecipe">recipe</span> show-screen [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Comment"># if x exists (not real display), do nothing</span> + <span class="Comment"># todo: help test this</span> + <span class="Delimiter">{</span> + <span class="muControl">break-unless</span> screen + <span class="muControl">reply</span> screen + <span class="Delimiter">}</span> + <span class="Comment"># otherwise, real screen</span> + show-display + <span class="muControl">reply</span> screen +] + +<span class="muRecipe">recipe</span> print-string [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + s:address:array:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + color:number, color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default color to white</span> + <span class="muControl">break-if</span> color-found? + color<span class="Special"> <- </span>copy <span class="Constant">7/white</span> + <span class="Delimiter">}</span> + bg-color:number, bg-color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default bg-color to black</span> + <span class="muControl">break-if</span> bg-color-found? + bg-color<span class="Special"> <- </span>copy <span class="Constant">0/black</span> + <span class="Delimiter">}</span> + len:number<span class="Special"> <- </span>length *s + i:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + <span class="Delimiter">{</span> + done?:boolean<span class="Special"> <- </span>greater-or-equal i, len + <span class="muControl">break-if</span> done? + c:character<span class="Special"> <- </span>index *s, i + print-character screen, c, color, bg-color + i<span class="Special"> <- </span>add i, <span class="Constant">1</span> + <span class="muControl">loop</span> + <span class="Delimiter">}</span> + <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span> +] + +<span class="muScenario">scenario</span> print-string-stops-at-right-margin [ + run [ + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>new-fake-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span> + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abcd]</span> + <span class="Constant">1</span>:address:screen<span class="Special"> <- </span>print-string <span class="Constant">1</span>:address:screen, <span class="Constant">2</span>:address:array:character + <span class="Constant">3</span>:address:array:screen-cell<span class="Special"> <- </span>get *<span class="Constant">1</span>:address:screen, <span class="Constant">data:offset</span> + <span class="Constant">4</span>:array:screen-cell<span class="Special"> <- </span>copy *<span class="Constant">3</span>:address:array:screen-cell + ] + memory-should-contain [ + <span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">6</span> <span class="Comment"># width*height</span> + <span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span> + <span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">98</span> <span class="Comment"># 'b'</span> + <span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">100</span> <span class="Comment"># 'd' overwrites 'c'</span> + <span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">7</span> <span class="Comment"># white</span> + <span class="Constant">11</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span> + ] +] + +<span class="muRecipe">recipe</span> print-integer [ + <span class="Constant">local-scope</span> + screen:address:screen<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + n:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + color:number, color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default color to white</span> + <span class="muControl">break-if</span> color-found? + color<span class="Special"> <- </span>copy <span class="Constant">7/white</span> + <span class="Delimiter">}</span> + bg-color:number, bg-color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span> + <span class="Delimiter">{</span> + <span class="Comment"># default bg-color to black</span> + <span class="muControl">break-if</span> bg-color-found? + bg-color<span class="Special"> <- </span>copy <span class="Constant">0/black</span> + <span class="Delimiter">}</span> + <span class="Comment"># todo: other bases besides decimal</span> + s:address:array:character<span class="Special"> <- </span>integer-to-decimal-string n + print-string screen, s, color, bg-color + <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span> +] +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |