diff options
| author | Kartik Agaram <vc@akkartik.com> | 2021-01-13 00:08:31 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2021-01-13 00:08:31 -0800 |
| commit | f6fd7e1be0780b5b6dee042bef1c4f0264069787 (patch) | |
| tree | 210c5d27c3fdf0793118d5cd7fe83c07737f7cfa | |
| parent | 422ebaf88c5a04900beb0a68162213ebc94e37c2 (diff) | |
| download | mu-f6fd7e1be0780b5b6dee042bef1c4f0264069787.tar.gz | |
7509
22 files changed, 762 insertions, 148 deletions
diff --git a/html/baremetal/101screen.subx.html b/html/baremetal/101screen.subx.html index df52a5b8..038e8f78 100644 --- a/html/baremetal/101screen.subx.html +++ b/html/baremetal/101screen.subx.html @@ -15,8 +15,8 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } +.LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> diff --git a/html/baremetal/102keyboard.subx.html b/html/baremetal/102keyboard.subx.html index f841e696..cc092133 100644 --- a/html/baremetal/102keyboard.subx.html +++ b/html/baremetal/102keyboard.subx.html @@ -15,8 +15,8 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } +.LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> diff --git a/html/baremetal/103grapheme.subx.html b/html/baremetal/103grapheme.subx.html index b34168d6..13dc6073 100644 --- a/html/baremetal/103grapheme.subx.html +++ b/html/baremetal/103grapheme.subx.html @@ -14,9 +14,10 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.SpecialChar { color: #d70000; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } +.LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> @@ -54,76 +55,117 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/103grapheme.subx'>https://github.com/akkartik/mu/blob/main/baremetal/103grapheme.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="subxFunction">draw-grapheme</span>: <span class="subxComment"># screen: (addr screen), g: grapheme, x: int, y: int, color: int</span> -<span id="L2" class="LineNr"> 2 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L3" class="LineNr"> 3 </span> 55/push-ebp -<span id="L4" class="LineNr"> 4 </span> 89/<- %ebp 4/r32/esp -<span id="L5" class="LineNr"> 5 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L6" class="LineNr"> 6 </span> 50/push-eax -<span id="L7" class="LineNr"> 7 </span> 51/push-ecx -<span id="L8" class="LineNr"> 8 </span> 52/push-edx -<span id="L9" class="LineNr"> 9 </span> 53/push-ebx -<span id="L10" class="LineNr">10 </span> 56/push-esi -<span id="L11" class="LineNr">11 </span> <span class="subxComment"># var letter-bitmap/esi = font[g]</span> -<span id="L12" class="LineNr">12 </span> 8b/-> *(ebp+0xc) 6/r32/esi -<span id="L13" class="LineNr">13 </span> c1 4/subop/shift-left %esi 4/imm8 -<span id="L14" class="LineNr">14 </span> 8d/copy-address *(esi+0x8800) 6/r32/esi <span class="subxComment"># font-start</span> -<span id="L15" class="LineNr">15 </span> <span class="subxComment"># if (letter-bitmap >= 0x9000) return # characters beyond ASCII currently not supported</span> -<span id="L16" class="LineNr">16 </span> 81 7/subop/compare %esi 0x9000/imm32 -<span id="L17" class="LineNr">17 </span> 7d/jump-if->= $draw-grapheme:end/disp8 -<span id="L18" class="LineNr">18 </span> <span class="subxComment"># edx = y</span> -<span id="L19" class="LineNr">19 </span> 8b/-> *(ebp+0x14) 2/r32/edx -<span id="L20" class="LineNr">20 </span> <span class="subxComment"># var ymax/ebx: int = y + 16</span> -<span id="L21" class="LineNr">21 </span> 8b/-> *(ebp+0x14) 3/r32/ebx -<span id="L22" class="LineNr">22 </span> 81 0/subop/add %ebx 0x10/imm32 -<span id="L23" class="LineNr">23 </span> { -<span id="L24" class="LineNr">24 </span> <span class="subxComment"># if (y >= ymax) break</span> -<span id="L25" class="LineNr">25 </span> 39/compare %edx 3/r32/ebx -<span id="L26" class="LineNr">26 </span> 7d/jump-if->= <span class="Constant">break</span>/disp8 -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># eax = x + 7</span> -<span id="L28" class="LineNr">28 </span> 8b/-> *(ebp+0x10) 0/r32/eax -<span id="L29" class="LineNr">29 </span> 81 0/subop/add %eax 7/imm32 -<span id="L30" class="LineNr">30 </span> <span class="subxComment"># var xmin/ecx: int = x</span> -<span id="L31" class="LineNr">31 </span> 8b/-> *(ebp+0x10) 1/r32/ecx -<span id="L32" class="LineNr">32 </span> <span class="subxComment"># var row-bitmap/ebx: int = *letter-bitmap</span> -<span id="L33" class="LineNr">33 </span> 53/push-ebx -<span id="L34" class="LineNr">34 </span> 8b/-> *esi 3/r32/ebx -<span id="L35" class="LineNr">35 </span> { -<span id="L36" class="LineNr">36 </span> <span class="subxComment"># if (x < xmin) break</span> -<span id="L37" class="LineNr">37 </span> 39/compare %eax 1/r32/ecx -<span id="L38" class="LineNr">38 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 -<span id="L39" class="LineNr">39 </span> <span class="subxComment"># shift LSB from row-bitmap into carry flag (CF)</span> -<span id="L40" class="LineNr">40 </span> c1 5/subop/shift-right-logical %ebx 1/imm8 -<span id="L41" class="LineNr">41 </span> <span class="subxComment"># if LSB, draw a pixel</span> -<span id="L42" class="LineNr">42 </span> { -<span id="L43" class="LineNr">43 </span> 73/jump-if-not-CF <span class="Constant">break</span>/disp8 -<span id="L44" class="LineNr">44 </span> (<a href='101screen.subx.html#L3'>pixel</a> *(ebp+8) %eax %edx *(ebp+0x18)) -<span id="L45" class="LineNr">45 </span> } -<span id="L46" class="LineNr">46 </span> <span class="subxComment"># --x</span> -<span id="L47" class="LineNr">47 </span> 48/decrement-eax -<span id="L48" class="LineNr">48 </span> <span class="subxComment">#</span> -<span id="L49" class="LineNr">49 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L50" class="LineNr">50 </span> } -<span id="L51" class="LineNr">51 </span> <span class="subxComment"># reclaim row-bitmap</span> -<span id="L52" class="LineNr">52 </span> 5b/pop-to-ebx -<span id="L53" class="LineNr">53 </span> <span class="subxComment"># ++y</span> -<span id="L54" class="LineNr">54 </span> 42/increment-edx -<span id="L55" class="LineNr">55 </span> <span class="subxComment"># next bitmap row</span> -<span id="L56" class="LineNr">56 </span> 46/increment-esi -<span id="L57" class="LineNr">57 </span> <span class="subxComment">#</span> -<span id="L58" class="LineNr">58 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L59" class="LineNr">59 </span> } -<span id="L60" class="LineNr">60 </span><span class="Constant">$draw-grapheme:end</span>: -<span id="L61" class="LineNr">61 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L62" class="LineNr">62 </span> 5e/pop-to-esi -<span id="L63" class="LineNr">63 </span> 5b/pop-to-ebx -<span id="L64" class="LineNr">64 </span> 5a/pop-to-edx -<span id="L65" class="LineNr">65 </span> 59/pop-to-ecx -<span id="L66" class="LineNr">66 </span> 58/pop-to-eax -<span id="L67" class="LineNr">67 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L68" class="LineNr">68 </span> 89/<- %esp 5/r32/ebp -<span id="L69" class="LineNr">69 </span> 5d/pop-to-ebp -<span id="L70" class="LineNr">70 </span> c3/return +<span id="L1" class="LineNr"> 1 </span><span class="subxFunction">draw-grapheme</span>: <span class="subxComment"># screen: (addr screen), g: grapheme, x: int, y: int, color: int</span> +<span id="L2" class="LineNr"> 2 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L3" class="LineNr"> 3 </span> 55/push-ebp +<span id="L4" class="LineNr"> 4 </span> 89/<- %ebp 4/r32/esp +<span id="L5" class="LineNr"> 5 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L6" class="LineNr"> 6 </span> 50/push-eax +<span id="L7" class="LineNr"> 7 </span> 51/push-ecx +<span id="L8" class="LineNr"> 8 </span> 52/push-edx +<span id="L9" class="LineNr"> 9 </span> 53/push-ebx +<span id="L10" class="LineNr"> 10 </span> 56/push-esi +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># var letter-bitmap/esi = font[g]</span> +<span id="L13" class="LineNr"> 13 </span> 8b/-> *(ebp+0xc) 6/r32/esi +<span id="L14" class="LineNr"> 14 </span> c1 4/subop/shift-left %esi 4/imm8 +<span id="L15" class="LineNr"> 15 </span> 8d/copy-address *(esi+0x8800) 6/r32/esi <span class="subxComment"># font-start</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># if (letter-bitmap >= 0x9000) return # characters beyond ASCII currently not supported</span> +<span id="L17" class="LineNr"> 17 </span> 81 7/subop/compare %esi 0x9000/imm32 +<span id="L18" class="LineNr"> 18 </span> 7d/jump-if->= $draw-grapheme:end/disp8 +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># edx = y</span> +<span id="L20" class="LineNr"> 20 </span> 8b/-> *(ebp+0x14) 2/r32/edx +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># var ymax/ebx: int = y + 16</span> +<span id="L22" class="LineNr"> 22 </span> 8b/-> *(ebp+0x14) 3/r32/ebx +<span id="L23" class="LineNr"> 23 </span> 81 0/subop/add %ebx 0x10/imm32 +<span id="L24" class="LineNr"> 24 </span> { +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># if (y >= ymax) break</span> +<span id="L26" class="LineNr"> 26 </span> 39/compare %edx 3/r32/ebx +<span id="L27" class="LineNr"> 27 </span> 7d/jump-if->= <span class="Constant">break</span>/disp8 +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># eax = x + 7</span> +<span id="L29" class="LineNr"> 29 </span> 8b/-> *(ebp+0x10) 0/r32/eax +<span id="L30" class="LineNr"> 30 </span> 81 0/subop/add %eax 7/imm32 +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># var xmin/ecx: int = x</span> +<span id="L32" class="LineNr"> 32 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># var row-bitmap/ebx: int = *letter-bitmap</span> +<span id="L34" class="LineNr"> 34 </span> 53/push-ebx +<span id="L35" class="LineNr"> 35 </span> 8b/-> *esi 3/r32/ebx +<span id="L36" class="LineNr"> 36 </span> { +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># if (x < xmin) break</span> +<span id="L38" class="LineNr"> 38 </span> 39/compare %eax 1/r32/ecx +<span id="L39" class="LineNr"> 39 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># shift LSB from row-bitmap into carry flag (CF)</span> +<span id="L41" class="LineNr"> 41 </span> c1 5/subop/shift-right-logical %ebx 1/imm8 +<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># if LSB, draw a pixel</span> +<span id="L43" class="LineNr"> 43 </span> { +<span id="L44" class="LineNr"> 44 </span> 73/jump-if-not-CF <span class="Constant">break</span>/disp8 +<span id="L45" class="LineNr"> 45 </span> (<a href='101screen.subx.html#L3'>pixel</a> *(ebp+8) %eax %edx *(ebp+0x18)) +<span id="L46" class="LineNr"> 46 </span> } +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># --x</span> +<span id="L48" class="LineNr"> 48 </span> 48/decrement-eax +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment">#</span> +<span id="L50" class="LineNr"> 50 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L51" class="LineNr"> 51 </span> } +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># reclaim row-bitmap</span> +<span id="L53" class="LineNr"> 53 </span> 5b/pop-to-ebx +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># ++y</span> +<span id="L55" class="LineNr"> 55 </span> 42/increment-edx +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># next bitmap row</span> +<span id="L57" class="LineNr"> 57 </span> 46/increment-esi +<span id="L58" class="LineNr"> 58 </span> <span class="subxComment">#</span> +<span id="L59" class="LineNr"> 59 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L60" class="LineNr"> 60 </span> } +<span id="L61" class="LineNr"> 61 </span><span class="Constant">$draw-grapheme:end</span>: +<span id="L62" class="LineNr"> 62 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L63" class="LineNr"> 63 </span> 5e/pop-to-esi +<span id="L64" class="LineNr"> 64 </span> 5b/pop-to-ebx +<span id="L65" class="LineNr"> 65 </span> 5a/pop-to-edx +<span id="L66" class="LineNr"> 66 </span> 59/pop-to-ecx +<span id="L67" class="LineNr"> 67 </span> 58/pop-to-eax +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L69" class="LineNr"> 69 </span> 89/<- %esp 5/r32/ebp +<span id="L70" class="LineNr"> 70 </span> 5d/pop-to-ebp +<span id="L71" class="LineNr"> 71 </span> c3/return +<span id="L72" class="LineNr"> 72 </span> +<span id="L73" class="LineNr"> 73 </span><span class="subxFunction">cursor-position</span>: <span class="subxComment"># screen: (addr screen) -> _/eax: int, _/ecx: int</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L75" class="LineNr"> 75 </span> 55/push-ebp +<span id="L76" class="LineNr"> 76 </span> 89/<- %ebp 4/r32/esp +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> +<span id="L78" class="LineNr"> 78 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L107'>Default-next-x</a></span> 0/r32/eax +<span id="L79" class="LineNr"> 79 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L110'>Default-next-y</a></span> 1/r32/ecx +<span id="L80" class="LineNr"> 80 </span><span class="Constant">$cursor-position:end</span>: +<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L82" class="LineNr"> 82 </span> 89/<- %esp 5/r32/ebp +<span id="L83" class="LineNr"> 83 </span> 5d/pop-to-ebp +<span id="L84" class="LineNr"> 84 </span> c3/return +<span id="L85" class="LineNr"> 85 </span> +<span id="L86" class="LineNr"> 86 </span><span class="subxFunction">set-cursor-position</span>: <span class="subxComment"># screen: (addr screen), x: int, y: int</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L88" class="LineNr"> 88 </span> 55/push-ebp +<span id="L89" class="LineNr"> 89 </span> 89/<- %ebp 4/r32/esp +<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L91" class="LineNr"> 91 </span> 50/push-eax +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> +<span id="L93" class="LineNr"> 93 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L94" class="LineNr"> 94 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L107'>Default-next-x</a></span> 0/r32/eax +<span id="L95" class="LineNr"> 95 </span> 8b/-> *(ebp+0x10) 0/r32/eax +<span id="L96" class="LineNr"> 96 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L110'>Default-next-y</a></span> 0/r32/eax +<span id="L97" class="LineNr"> 97 </span><span class="Constant">$set-cursor-position:end</span>: +<span id="L98" class="LineNr"> 98 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L99" class="LineNr"> 99 </span> 58/pop-to-eax +<span id="L100" class="LineNr">100 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L101" class="LineNr">101 </span> 89/<- %esp 5/r32/ebp +<span id="L102" class="LineNr">102 </span> 5d/pop-to-ebp +<span id="L103" class="LineNr">103 </span> c3/return +<span id="L104" class="LineNr">104 </span> +<span id="L105" class="LineNr">105 </span>== data +<span id="L106" class="LineNr">106 </span> +<span id="L107" class="LineNr">107 </span><span class="SpecialChar">Default-next-x</span>: +<span id="L108" class="LineNr">108 </span> 0/imm32 +<span id="L109" class="LineNr">109 </span> +<span id="L110" class="LineNr">110 </span><span class="SpecialChar">Default-next-y</span>: +<span id="L111" class="LineNr">111 </span> 0/imm32 </pre> </body> </html> diff --git a/html/baremetal/106stream.subx.html b/html/baremetal/106stream.subx.html new file mode 100644 index 00000000..cbd859ea --- /dev/null +++ b/html/baremetal/106stream.subx.html @@ -0,0 +1,137 @@ +<!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 - baremetal/106stream.subx</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,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +--> +</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/baremetal/106stream.subx'>https://github.com/akkartik/mu/blob/main/baremetal/106stream.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># streams: data structure for operating on arrays in a stateful manner</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># A stream looks like this:</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># write: int # index at which writes go</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># read: int # index that we've read until</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment">#</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># some primitives for operating on streams:</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># - clear-stream (clears everything but the data size)</span> +<span id="L10" class="LineNr">10 </span><span class="subxComment"># - rewind-stream (resets read pointer)</span> +<span id="L11" class="LineNr">11 </span> +<span id="L12" class="LineNr">12 </span>== code +<span id="L13" class="LineNr">13 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L14" class="LineNr">14 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L15" class="LineNr">15 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L16" class="LineNr">16 </span> +<span id="L17" class="LineNr">17 </span><span class="subxFunction">clear-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> +<span id="L18" class="LineNr">18 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L19" class="LineNr">19 </span> 55/push-ebp +<span id="L20" class="LineNr">20 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L21" class="LineNr">21 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L22" class="LineNr">22 </span> 50/push-eax +<span id="L23" class="LineNr">23 </span> 51/push-ecx +<span id="L24" class="LineNr">24 </span> <span class="subxComment"># eax = f</span> +<span id="L25" class="LineNr">25 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var count/ecx: int = f->size</span> +<span id="L27" class="LineNr">27 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+8) to ecx</span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># var max/ecx: (addr byte) = &f->data[f->size]</span> +<span id="L29" class="LineNr">29 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+12 to ecx</span> +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># f->write = 0</span> +<span id="L31" class="LineNr">31 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span> +<span id="L32" class="LineNr">32 </span> <span class="subxComment"># f->read = 0</span> +<span id="L33" class="LineNr">33 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L34" class="LineNr">34 </span> <span class="subxH1Comment"># - clear all stream data</span> +<span id="L35" class="LineNr">35 </span> <span class="subxH1Comment"># - this isn't strictly necessary, and it can slow things down *a lot*, but better safe than sorry.</span> +<span id="L36" class="LineNr">36 </span> <span class="subxComment"># var curr/eax: (addr byte) = f->data</span> +<span id="L37" class="LineNr">37 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to eax</span> +<span id="L38" class="LineNr">38 </span><span class="Constant">$clear-stream:loop</span>: +<span id="L39" class="LineNr">39 </span> <span class="subxComment"># if (curr >= max) break</span> +<span id="L40" class="LineNr">40 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L41" class="LineNr">41 </span> 73/jump-if-addr>= $clear-stream:end/disp8 +<span id="L42" class="LineNr">42 </span> <span class="subxComment"># *curr = 0</span> +<span id="L43" class="LineNr">43 </span> c6 0/subop/copy-byte 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *eax</span> +<span id="L44" class="LineNr">44 </span> <span class="subxComment"># ++curr</span> +<span id="L45" class="LineNr">45 </span> 40/increment-eax +<span id="L46" class="LineNr">46 </span> eb/jump $clear-stream:<span class="Constant">loop</span>/disp8 +<span id="L47" class="LineNr">47 </span><span class="Constant">$clear-stream:end</span>: +<span id="L48" class="LineNr">48 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L49" class="LineNr">49 </span> 59/pop-to-ecx +<span id="L50" class="LineNr">50 </span> 58/pop-to-eax +<span id="L51" class="LineNr">51 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L52" class="LineNr">52 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L53" class="LineNr">53 </span> 5d/pop-to-ebp +<span id="L54" class="LineNr">54 </span> c3/return +<span id="L55" class="LineNr">55 </span> +<span id="L56" class="LineNr">56 </span><span class="subxFunction">rewind-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> +<span id="L57" class="LineNr">57 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L58" class="LineNr">58 </span> 55/push-ebp +<span id="L59" class="LineNr">59 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L60" class="LineNr">60 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L61" class="LineNr">61 </span> 50/push-eax +<span id="L62" class="LineNr">62 </span> <span class="subxComment"># eax = f</span> +<span id="L63" class="LineNr">63 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L64" class="LineNr">64 </span> <span class="subxComment"># f->read = 0</span> +<span id="L65" class="LineNr">65 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L66" class="LineNr">66 </span><span class="Constant">$rewind-stream:end</span>: +<span id="L67" class="LineNr">67 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L68" class="LineNr">68 </span> 58/pop-to-eax +<span id="L69" class="LineNr">69 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L70" class="LineNr">70 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L71" class="LineNr">71 </span> 5d/pop-to-ebp +<span id="L72" class="LineNr">72 </span> c3/return +<span id="L73" class="LineNr">73 </span> +<span id="L74" class="LineNr">74 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/108write.subx.html b/html/baremetal/108write.subx.html index 085efeff..608ddb82 100644 --- a/html/baremetal/108write.subx.html +++ b/html/baremetal/108write.subx.html @@ -18,10 +18,10 @@ a { color:inherit; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } -.subxFunction { color: #af5f00; text-decoration: underline; } -.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .Constant { color: #008787; } .subxMinorFunction { color: #875f5f; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } --> </style> diff --git a/html/baremetal/112read-byte.subx.html b/html/baremetal/112read-byte.subx.html index 9fb89fd0..06271ee0 100644 --- a/html/baremetal/112read-byte.subx.html +++ b/html/baremetal/112read-byte.subx.html @@ -18,9 +18,9 @@ a { color:inherit; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } +.Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } -.Constant { color: #008787; } --> </style> diff --git a/html/baremetal/115write-byte.subx.html b/html/baremetal/115write-byte.subx.html index 43cbc843..7bcd8a8a 100644 --- a/html/baremetal/115write-byte.subx.html +++ b/html/baremetal/115write-byte.subx.html @@ -18,9 +18,9 @@ a { color:inherit; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } +.Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } -.Constant { color: #008787; } --> </style> diff --git a/html/baremetal/120allocate.subx.html b/html/baremetal/120allocate.subx.html index e11f9b00..11c874ee 100644 --- a/html/baremetal/120allocate.subx.html +++ b/html/baremetal/120allocate.subx.html @@ -18,9 +18,9 @@ a { color:inherit; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } +.Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } -.Constant { color: #008787; } --> </style> diff --git a/html/baremetal/302stack_allocate.subx.html b/html/baremetal/302stack_allocate.subx.html index 73e18ff6..0cbbf443 100644 --- a/html/baremetal/302stack_allocate.subx.html +++ b/html/baremetal/302stack_allocate.subx.html @@ -15,11 +15,11 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .SpecialChar { color: #d70000; } -.CommentedCode { color: #8a8a8a; } +.LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } +.CommentedCode { color: #8a8a8a; } --> </style> diff --git a/html/baremetal/309stream.subx.html b/html/baremetal/309stream.subx.html index bbfd368b..16e45ed7 100644 --- a/html/baremetal/309stream.subx.html +++ b/html/baremetal/309stream.subx.html @@ -15,8 +15,8 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } +.LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> diff --git a/html/baremetal/313index-bounds-check.subx.html b/html/baremetal/313index-bounds-check.subx.html index e364e785..a6421293 100644 --- a/html/baremetal/313index-bounds-check.subx.html +++ b/html/baremetal/313index-bounds-check.subx.html @@ -15,10 +15,10 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } -.subxMinorFunction { color: #875f5f; } +.LineNr { } .Constant { color: #008787; } +.subxMinorFunction { color: #875f5f; } --> </style> diff --git a/html/baremetal/400.mu.html b/html/baremetal/400.mu.html index 715c8d09..95835ad8 100644 --- a/html/baremetal/400.mu.html +++ b/html/baremetal/400.mu.html @@ -14,9 +14,9 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } .LineNr { } .Constant { color: #008787; } -.PreProc { color: #c000c0; } --> </style> @@ -52,14 +52,17 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/400.mu'>https://github.com/akkartik/mu/blob/main/baremetal/400.mu</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr">1 </span><span class="PreProc">sig</span> <a href='101screen.subx.html#L3'>pixel</a> screen: (addr screen), x: int, y: int, color: int -<span id="L2" class="LineNr">2 </span><span class="PreProc">sig</span> <a href='102keyboard.subx.html#L3'>read-key</a> kbd: (addr keyboard)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte -<span id="L3" class="LineNr">3 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen: (addr screen), g: grapheme, x: int, y: int, color: int -<span id="L4" class="LineNr">4 </span> -<span id="L5" class="LineNr">5 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L5'>write</a> f: (addr stream byte), s: (addr array byte) -<span id="L6" class="LineNr">6 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L6'>append-byte</a> f: (addr stream byte), n: int -<span id="L7" class="LineNr">7 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L9'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte -<span id="L8" class="LineNr">8 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L1" class="LineNr"> 1 </span><span class="PreProc">sig</span> <a href='101screen.subx.html#L3'>pixel</a> screen: (addr screen), x: int, y: int, color: int +<span id="L2" class="LineNr"> 2 </span><span class="PreProc">sig</span> <a href='102keyboard.subx.html#L3'>read-key</a> kbd: (addr keyboard)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte +<span id="L3" class="LineNr"> 3 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen: (addr screen), g: grapheme, x: int, y: int, color: int +<span id="L4" class="LineNr"> 4 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L73'>cursor-position</a> screen: (addr screen)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int +<span id="L5" class="LineNr"> 5 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L86'>set-cursor-position</a> screen: (addr screen), x: int, y: int +<span id="L6" class="LineNr"> 6 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L17'>clear-stream</a> f: (addr stream _) +<span id="L7" class="LineNr"> 7 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L56'>rewind-stream</a> f: (addr stream _) +<span id="L8" class="LineNr"> 8 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L5'>write</a> f: (addr stream byte), s: (addr array byte) +<span id="L9" class="LineNr"> 9 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L6'>append-byte</a> f: (addr stream byte), n: int +<span id="L10" class="LineNr">10 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L9'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte +<span id="L11" class="LineNr">11 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean </pre> </body> </html> diff --git a/html/baremetal/403unicode.mu.html b/html/baremetal/403unicode.mu.html index 8151f6d4..bff11ca4 100644 --- a/html/baremetal/403unicode.mu.html +++ b/html/baremetal/403unicode.mu.html @@ -14,13 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } +.Delimiter { color: #c000c0; } .SpecialChar { color: #d70000; } .Constant { color: #008787; } .muFunction { color: #af5f00; text-decoration: underline; } -.Delimiter { color: #c000c0; } -.PreProc { color: #c000c0; } +.muComment { color: #005faf; } --> </style> @@ -77,7 +77,7 @@ if ('onhashchange' in window) { <span id="L19" class="LineNr"> 19 </span><span class="muComment">#</span> <span id="L20" class="LineNr"> 20 </span><span class="muComment"># The day we want to support combining characters, this function will need to</span> <span id="L21" class="LineNr"> 21 </span><span class="muComment"># take multiple code points. Or something.</span> -<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='403unicode.mu.html#L22'>to-grapheme</a></span> in: code-point<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> +<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction">to-grapheme</span> in: code-point<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> <span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy in <span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> num-trailers/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> first/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> @@ -147,7 +147,7 @@ if ('onhashchange' in window) { <span id="L89" class="LineNr"> 89 </span><span class="muComment"># TODO: bring in tests once we have check-ints-equal</span> <span id="L90" class="LineNr"> 90 </span> <span id="L91" class="LineNr"> 91 </span><span class="muComment"># read the next grapheme from a stream of bytes</span> -<span id="L92" class="LineNr"> 92 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='403unicode.mu.html#L92'>read-grapheme</a></span> in: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> +<span id="L92" class="LineNr"> 92 </span><span class="PreProc">fn</span> <span class="muFunction">read-grapheme</span> in: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> <span id="L93" class="LineNr"> 93 </span> <span class="muComment"># if at eof, return EOF</span> <span id="L94" class="LineNr"> 94 </span> <span class="Delimiter">{</span> <span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> eof?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> in @@ -203,7 +203,7 @@ if ('onhashchange' in window) { <span id="L145" class="LineNr">145 </span> <span class="PreProc">break-if-<=</span> <span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='112read-byte.subx.html#L9'>read-byte</a> in <span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> tmp2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy tmp -<span id="L148" class="LineNr">148 </span> tmp2 <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L159'>shift-left-bytes</a> tmp2, num-byte-shifts +<span id="L148" class="LineNr">148 </span> tmp2 <span class="SpecialChar"><-</span> shift-left-bytes tmp2, num-byte-shifts <span id="L149" class="LineNr">149 </span> result <span class="SpecialChar"><-</span> or tmp2 <span id="L150" class="LineNr">150 </span> <span class="muComment"># update loop state</span> <span id="L151" class="LineNr">151 </span> num-byte-shifts <span class="SpecialChar"><-</span> increment @@ -214,7 +214,7 @@ if ('onhashchange' in window) { <span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span> <span id="L157" class="LineNr">157 </span> <span id="L158" class="LineNr">158 </span><span class="muComment"># needed because available primitives only shift by a literal/constant number of bits</span> -<span id="L159" class="LineNr">159 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='403unicode.mu.html#L159'>shift-left-bytes</a></span> n: int, k: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L159" class="LineNr">159 </span><span class="PreProc">fn</span> <span class="muFunction">shift-left-bytes</span> n: int, k: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> <span id="L160" class="LineNr">160 </span> <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L161" class="LineNr">161 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy n <span id="L162" class="LineNr">162 </span> <span class="Delimiter">{</span> @@ -231,7 +231,7 @@ if ('onhashchange' in window) { <span id="L173" class="LineNr">173 </span> <span id="L174" class="LineNr">174 </span><span class="muComment"># write a grapheme to a stream of bytes</span> <span id="L175" class="LineNr">175 </span><span class="muComment"># this is like write-to-stream, except we skip leading 0 bytes</span> -<span id="L176" class="LineNr">176 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='403unicode.mu.html#L176'>write-grapheme</a></span> out: (addr stream byte), g: grapheme <span class="Delimiter">{</span> +<span id="L176" class="LineNr">176 </span><span class="PreProc">fn</span> <span class="muFunction">write-grapheme</span> out: (addr stream byte), g: grapheme <span class="Delimiter">{</span> <span id="L177" class="LineNr">177 </span>$write-grapheme:body: <span class="Delimiter">{</span> <span id="L178" class="LineNr">178 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy g <span id="L179" class="LineNr">179 </span> <a href='115write-byte.subx.html#L6'>append-byte</a> out, c <span class="muComment"># first byte is always written</span> diff --git a/html/baremetal/501draw-text.mu.html b/html/baremetal/501draw-text.mu.html index 61ece7dc..fd1c6df8 100644 --- a/html/baremetal/501draw-text.mu.html +++ b/html/baremetal/501draw-text.mu.html @@ -14,13 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } -.SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } -.muFunction { color: #af5f00; text-decoration: underline; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } -.PreProc { color: #c000c0; } +.muFunction { color: #af5f00; text-decoration: underline; } +.muComment { color: #005faf; } --> </style> @@ -56,19 +56,265 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/501draw-text.mu'>https://github.com/akkartik/mu/blob/main/baremetal/501draw-text.mu</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L1'>draw-text-rightward</a></span> screen: (addr screen), text: (addr array byte), x: int, y: int, color: int <span class="Delimiter">{</span> -<span id="L2" class="LineNr"> 2 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) -<span id="L3" class="LineNr"> 3 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage -<span id="L4" class="LineNr"> 4 </span> <a href='108write.subx.html#L5'>write</a> stream, text -<span id="L5" class="LineNr"> 5 </span> <span class="Delimiter">{</span> -<span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L7" class="LineNr"> 7 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L8" class="LineNr"> 8 </span> <span class="PreProc">break-if-=</span> -<span id="L9" class="LineNr"> 9 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen, g, x, y, color -<span id="L10" class="LineNr">10 </span> add-to x, <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L11" class="LineNr">11 </span> <span class="PreProc">loop</span> -<span id="L12" class="LineNr">12 </span> <span class="Delimiter">}</span> -<span id="L13" class="LineNr">13 </span><span class="Delimiter">}</span> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># draw a single line of text from x, y to xmax</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment"># return the next 'x' coordinate</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L4" class="LineNr"> 4 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-rightward</span> screen: (addr screen), text: (addr array byte), x: int, xmax: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L5" class="LineNr"> 5 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L7" class="LineNr"> 7 </span> <a href='108write.subx.html#L5'>write</a> stream, text +<span id="L8" class="LineNr"> 8 </span> <span class="muComment"># check if we have enough space</span> +<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L10" class="LineNr"> 10 </span> <span class="Delimiter">{</span> +<span id="L11" class="LineNr"> 11 </span> compare xcurr, xmax +<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">break-if-></span> +<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L14" class="LineNr"> 14 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">break-if-=</span> +<span id="L16" class="LineNr"> 16 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">loop</span> +<span id="L18" class="LineNr"> 18 </span> <span class="Delimiter">}</span> +<span id="L19" class="LineNr"> 19 </span> compare xcurr, xmax +<span id="L20" class="LineNr"> 20 </span> <span class="Delimiter">{</span> +<span id="L21" class="LineNr"> 21 </span> <span class="PreProc">break-if-<=</span> +<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Delimiter">}</span> +<span id="L24" class="LineNr"> 24 </span> <span class="muComment"># we do; actually draw</span> +<span id="L25" class="LineNr"> 25 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream +<span id="L26" class="LineNr"> 26 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L27" class="LineNr"> 27 </span> <span class="Delimiter">{</span> +<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L29" class="LineNr"> 29 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">break-if-=</span> +<span id="L31" class="LineNr"> 31 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen, g, xcurr, y, color +<span id="L32" class="LineNr"> 32 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L33" class="LineNr"> 33 </span> <span class="PreProc">loop</span> +<span id="L34" class="LineNr"> 34 </span> <span class="Delimiter">}</span> +<span id="L35" class="LineNr"> 35 </span> <a href='103grapheme.subx.html#L86'>set-cursor-position</a> screen, xcurr, y +<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">return</span> xcurr +<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span> +<span id="L38" class="LineNr"> 38 </span> +<span id="L39" class="LineNr"> 39 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-rightward-from-cursor</span> screen: (addr screen), text: (addr array byte), xmax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L42" class="LineNr"> 42 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L73'>cursor-position</a> screen +<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> draw-text-rightward screen, text, cursor-x, xmax, cursor-y, color +<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">return</span> result +<span id="L45" class="LineNr"> 45 </span><span class="Delimiter">}</span> +<span id="L46" class="LineNr"> 46 </span> +<span id="L47" class="LineNr"> 47 </span><span class="muComment"># draw text in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> +<span id="L48" class="LineNr"> 48 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> +<span id="L49" class="LineNr"> 49 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> +<span id="L50" class="LineNr"> 50 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L51" class="LineNr"> 51 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-right-then-down</span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L54" class="LineNr"> 54 </span> <a href='108write.subx.html#L5'>write</a> stream, text +<span id="L55" class="LineNr"> 55 </span> <span class="muComment"># check if we have enough space</span> +<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L58" class="LineNr"> 58 </span> <span class="Delimiter">{</span> +<span id="L59" class="LineNr"> 59 </span> compare ycurr, ymax +<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">break-if->=</span> +<span id="L61" class="LineNr"> 61 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L62" class="LineNr"> 62 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">break-if-=</span> +<span id="L64" class="LineNr"> 64 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L65" class="LineNr"> 65 </span> compare xcurr, xmax +<span id="L66" class="LineNr"> 66 </span> <span class="Delimiter">{</span> +<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">break-if-<</span> +<span id="L68" class="LineNr"> 68 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L69" class="LineNr"> 69 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L70" class="LineNr"> 70 </span> <span class="Delimiter">}</span> +<span id="L71" class="LineNr"> 71 </span> <span class="PreProc">loop</span> +<span id="L72" class="LineNr"> 72 </span> <span class="Delimiter">}</span> +<span id="L73" class="LineNr"> 73 </span> compare ycurr, ymax +<span id="L74" class="LineNr"> 74 </span> <span class="Delimiter">{</span> +<span id="L75" class="LineNr"> 75 </span> <span class="PreProc">break-if-<</span> +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L77" class="LineNr"> 77 </span> <span class="Delimiter">}</span> +<span id="L78" class="LineNr"> 78 </span> <span class="muComment"># we do; actually draw</span> +<span id="L79" class="LineNr"> 79 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream +<span id="L80" class="LineNr"> 80 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L81" class="LineNr"> 81 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L82" class="LineNr"> 82 </span> <span class="Delimiter">{</span> +<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L84" class="LineNr"> 84 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">break-if-=</span> +<span id="L86" class="LineNr"> 86 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen, g, xcurr, ycurr, color +<span id="L87" class="LineNr"> 87 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L88" class="LineNr"> 88 </span> compare xcurr, xmax +<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">{</span> +<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">break-if-<</span> +<span id="L91" class="LineNr"> 91 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L92" class="LineNr"> 92 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L93" class="LineNr"> 93 </span> <span class="Delimiter">}</span> +<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">loop</span> +<span id="L95" class="LineNr"> 95 </span> <span class="Delimiter">}</span> +<span id="L96" class="LineNr"> 96 </span> <a href='103grapheme.subx.html#L86'>set-cursor-position</a> screen, xcurr, ycurr +<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">return</span> xcurr, ycurr +<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span> +<span id="L99" class="LineNr"> 99 </span> +<span id="L100" class="LineNr">100 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-right-then-down-over-full-screen</span> screen: (addr screen), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L103" class="LineNr">103 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, x, y, color <span class="muComment"># 1024, 768</span> +<span id="L104" class="LineNr">104 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L105" class="LineNr">105 </span><span class="Delimiter">}</span> +<span id="L106" class="LineNr">106 </span> +<span id="L107" class="LineNr">107 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-right-then-down-from-cursor</span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L108" class="LineNr">108 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L109" class="LineNr">109 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L110" class="LineNr">110 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L73'>cursor-position</a> screen +<span id="L111" class="LineNr">111 </span> <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-x +<span id="L112" class="LineNr">112 </span> end-x <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L113" class="LineNr">113 </span> compare end-x, xmax +<span id="L114" class="LineNr">114 </span> <span class="Delimiter">{</span> +<span id="L115" class="LineNr">115 </span> <span class="PreProc">break-if-<</span> +<span id="L116" class="LineNr">116 </span> cursor-x <span class="SpecialChar"><-</span> copy xmin +<span id="L117" class="LineNr">117 </span> cursor-y <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L118" class="LineNr">118 </span> <span class="Delimiter">}</span> +<span id="L119" class="LineNr">119 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down screen, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L120" class="LineNr">120 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L121" class="LineNr">121 </span><span class="Delimiter">}</span> +<span id="L122" class="LineNr">122 </span> +<span id="L123" class="LineNr">123 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-right-then-down-from-cursor-over-full-screen</span> screen: (addr screen), text: (addr array byte), color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L126" class="LineNr">126 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down-from-cursor screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, color <span class="muComment"># 1024, 768</span> +<span id="L127" class="LineNr">127 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L128" class="LineNr">128 </span><span class="Delimiter">}</span> +<span id="L129" class="LineNr">129 </span> +<span id="L130" class="LineNr">130 </span><span class="muComment">## Text direction: down then right</span> +<span id="L131" class="LineNr">131 </span> +<span id="L132" class="LineNr">132 </span><span class="muComment"># draw a single line of text vertically from x, y to ymax</span> +<span id="L133" class="LineNr">133 </span><span class="muComment"># return the next 'y' coordinate</span> +<span id="L134" class="LineNr">134 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L135" class="LineNr">135 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-downward</span> screen: (addr screen), text: (addr array byte), x: int, y: int, ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L136" class="LineNr">136 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L137" class="LineNr">137 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L138" class="LineNr">138 </span> <a href='108write.subx.html#L5'>write</a> stream, text +<span id="L139" class="LineNr">139 </span> <span class="muComment"># check if we have enough space</span> +<span id="L140" class="LineNr">140 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L141" class="LineNr">141 </span> <span class="Delimiter">{</span> +<span id="L142" class="LineNr">142 </span> compare ycurr, ymax +<span id="L143" class="LineNr">143 </span> <span class="PreProc">break-if-></span> +<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L145" class="LineNr">145 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L146" class="LineNr">146 </span> <span class="PreProc">break-if-=</span> +<span id="L147" class="LineNr">147 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L148" class="LineNr">148 </span> <span class="PreProc">loop</span> +<span id="L149" class="LineNr">149 </span> <span class="Delimiter">}</span> +<span id="L150" class="LineNr">150 </span> compare ycurr, ymax +<span id="L151" class="LineNr">151 </span> <span class="Delimiter">{</span> +<span id="L152" class="LineNr">152 </span> <span class="PreProc">break-if-<=</span> +<span id="L153" class="LineNr">153 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L154" class="LineNr">154 </span> <span class="Delimiter">}</span> +<span id="L155" class="LineNr">155 </span> <span class="muComment"># we do; actually draw</span> +<span id="L156" class="LineNr">156 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream +<span id="L157" class="LineNr">157 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L158" class="LineNr">158 </span> <span class="Delimiter">{</span> +<span id="L159" class="LineNr">159 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L160" class="LineNr">160 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L161" class="LineNr">161 </span> <span class="PreProc">break-if-=</span> +<span id="L162" class="LineNr">162 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen, g, x, ycurr, color +<span id="L163" class="LineNr">163 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L164" class="LineNr">164 </span> <span class="PreProc">loop</span> +<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span> +<span id="L166" class="LineNr">166 </span> <a href='103grapheme.subx.html#L86'>set-cursor-position</a> screen, x, ycurr +<span id="L167" class="LineNr">167 </span> <span class="PreProc">return</span> ycurr +<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">draw-text-downward-from-cursor</span> screen: (addr screen), text: (addr array byte), ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L171" class="LineNr">171 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L172" class="LineNr">172 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L173" class="LineNr">173 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L73'>cursor-position</a> screen +<span id="L174" class="LineNr">174 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> draw-text-downward screen, text, cursor-x, cursor-y, ymax, color +<span id="L175" class="LineNr">175 </span> <span class="PreProc">return</span> result +<span id="L176" class="LineNr">176 </span><span class="Delimiter">}</span> +<span id="L177" class="LineNr">177 </span> +<span id="L178" class="LineNr">178 </span><span class="muComment"># draw text down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> +<span id="L179" class="LineNr">179 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> +<span id="L180" class="LineNr">180 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> +<span id="L181" class="LineNr">181 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L182" class="LineNr">182 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-down-then-right</span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L183" class="LineNr">183 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L184" class="LineNr">184 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L185" class="LineNr">185 </span> <a href='108write.subx.html#L5'>write</a> stream, text +<span id="L186" class="LineNr">186 </span> <span class="muComment"># check if we have enough space</span> +<span id="L187" class="LineNr">187 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L188" class="LineNr">188 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L189" class="LineNr">189 </span> <span class="Delimiter">{</span> +<span id="L190" class="LineNr">190 </span> compare xcurr, xmax +<span id="L191" class="LineNr">191 </span> <span class="PreProc">break-if->=</span> +<span id="L192" class="LineNr">192 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L193" class="LineNr">193 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L194" class="LineNr">194 </span> <span class="PreProc">break-if-=</span> +<span id="L195" class="LineNr">195 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L196" class="LineNr">196 </span> compare ycurr, ymax +<span id="L197" class="LineNr">197 </span> <span class="Delimiter">{</span> +<span id="L198" class="LineNr">198 </span> <span class="PreProc">break-if-<</span> +<span id="L199" class="LineNr">199 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L200" class="LineNr">200 </span> ycurr <span class="SpecialChar"><-</span> copy ymin +<span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span> +<span id="L202" class="LineNr">202 </span> <span class="PreProc">loop</span> +<span id="L203" class="LineNr">203 </span> <span class="Delimiter">}</span> +<span id="L204" class="LineNr">204 </span> compare xcurr, xmax +<span id="L205" class="LineNr">205 </span> <span class="Delimiter">{</span> +<span id="L206" class="LineNr">206 </span> <span class="PreProc">break-if-<</span> +<span id="L207" class="LineNr">207 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L208" class="LineNr">208 </span> <span class="Delimiter">}</span> +<span id="L209" class="LineNr">209 </span> <span class="muComment"># we do; actually draw</span> +<span id="L210" class="LineNr">210 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream +<span id="L211" class="LineNr">211 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L212" class="LineNr">212 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L213" class="LineNr">213 </span> <span class="Delimiter">{</span> +<span id="L214" class="LineNr">214 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> read-grapheme stream +<span id="L215" class="LineNr">215 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L216" class="LineNr">216 </span> <span class="PreProc">break-if-=</span> +<span id="L217" class="LineNr">217 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> screen, g, xcurr, ycurr, color +<span id="L218" class="LineNr">218 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L219" class="LineNr">219 </span> compare ycurr, ymax +<span id="L220" class="LineNr">220 </span> <span class="Delimiter">{</span> +<span id="L221" class="LineNr">221 </span> <span class="PreProc">break-if-<</span> +<span id="L222" class="LineNr">222 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L223" class="LineNr">223 </span> ycurr <span class="SpecialChar"><-</span> copy ymin +<span id="L224" class="LineNr">224 </span> <span class="Delimiter">}</span> +<span id="L225" class="LineNr">225 </span> <span class="PreProc">loop</span> +<span id="L226" class="LineNr">226 </span> <span class="Delimiter">}</span> +<span id="L227" class="LineNr">227 </span> <a href='103grapheme.subx.html#L86'>set-cursor-position</a> screen, xcurr, ycurr +<span id="L228" class="LineNr">228 </span> <span class="PreProc">return</span> xcurr, ycurr +<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">draw-text-wrapping-down-then-right-over-full-screen</span> screen: (addr screen), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L232" class="LineNr">232 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L233" class="LineNr">233 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L234" class="LineNr">234 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-down-then-right screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, x, y, color <span class="muComment"># 1024, 768</span> +<span id="L235" class="LineNr">235 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L236" class="LineNr">236 </span><span class="Delimiter">}</span> +<span id="L237" class="LineNr">237 </span> +<span id="L238" class="LineNr">238 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-down-then-right-from-cursor</span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L239" class="LineNr">239 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L240" class="LineNr">240 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L241" class="LineNr">241 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L73'>cursor-position</a> screen +<span id="L242" class="LineNr">242 </span> <span class="PreProc">var</span> end-y/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-y +<span id="L243" class="LineNr">243 </span> end-y <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L244" class="LineNr">244 </span> compare end-y, ymax +<span id="L245" class="LineNr">245 </span> <span class="Delimiter">{</span> +<span id="L246" class="LineNr">246 </span> <span class="PreProc">break-if-<</span> +<span id="L247" class="LineNr">247 </span> cursor-x <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> +<span id="L248" class="LineNr">248 </span> cursor-y <span class="SpecialChar"><-</span> copy ymin +<span id="L249" class="LineNr">249 </span> <span class="Delimiter">}</span> +<span id="L250" class="LineNr">250 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-down-then-right screen, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L251" class="LineNr">251 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span> +<span id="L253" class="LineNr">253 </span> +<span id="L254" class="LineNr">254 </span><span class="PreProc">fn</span> <span class="muFunction">draw-text-wrapping-down-then-right-from-cursor-over-full-screen</span> screen: (addr screen), text: (addr array byte), color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L255" class="LineNr">255 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L256" class="LineNr">256 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L257" class="LineNr">257 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> draw-text-wrapping-down-then-right-from-cursor screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, color <span class="muComment"># 1024, 768</span> +<span id="L258" class="LineNr">258 </span> <span class="PreProc">return</span> cursor-x, cursor-y +<span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/baremetal/502manhattan-line.mu.html b/html/baremetal/502manhattan-line.mu.html new file mode 100644 index 00000000..9d2632d1 --- /dev/null +++ b/html/baremetal/502manhattan-line.mu.html @@ -0,0 +1,89 @@ +<!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 - baremetal/502manhattan-line.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-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.LineNr { } +.Constant { color: #008787; } +.SpecialChar { color: #d70000; } +.Delimiter { color: #c000c0; } +.muFunction { color: #af5f00; text-decoration: underline; } +--> +</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/baremetal/502manhattan-line.mu'>https://github.com/akkartik/mu/blob/main/baremetal/502manhattan-line.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction">draw-box</span> screen: (addr screen), x1: int, y1: int, x2: int, y2: int, color: int <span class="Delimiter">{</span> +<span id="L2" class="LineNr"> 2 </span> draw-horizontal-line screen, x1, x2, y1, color +<span id="L3" class="LineNr"> 3 </span> draw-vertical-line screen, x1, y1, y2, color +<span id="L4" class="LineNr"> 4 </span> draw-horizontal-line screen, x1, x2, y2, color +<span id="L5" class="LineNr"> 5 </span> draw-vertical-line screen, x2, y1, y2, color +<span id="L6" class="LineNr"> 6 </span><span class="Delimiter">}</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="PreProc">fn</span> <span class="muFunction">draw-horizontal-line</span> screen: (addr screen), x1: int, x2: int, y: int, color: int <span class="Delimiter">{</span> +<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy x1 +<span id="L10" class="LineNr">10 </span> <span class="Delimiter">{</span> +<span id="L11" class="LineNr">11 </span> compare x, x2 +<span id="L12" class="LineNr">12 </span> <span class="PreProc">break-if->=</span> +<span id="L13" class="LineNr">13 </span> <a href='101screen.subx.html#L3'>pixel</a> screen, x, y, color +<span id="L14" class="LineNr">14 </span> x <span class="SpecialChar"><-</span> increment +<span id="L15" class="LineNr">15 </span> <span class="PreProc">loop</span> +<span id="L16" class="LineNr">16 </span> <span class="Delimiter">}</span> +<span id="L17" class="LineNr">17 </span><span class="Delimiter">}</span> +<span id="L18" class="LineNr">18 </span> +<span id="L19" class="LineNr">19 </span><span class="PreProc">fn</span> <span class="muFunction">draw-vertical-line</span> screen: (addr screen), x: int, y1: int, y2: int, color: int <span class="Delimiter">{</span> +<span id="L20" class="LineNr">20 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy y1 +<span id="L21" class="LineNr">21 </span> <span class="Delimiter">{</span> +<span id="L22" class="LineNr">22 </span> compare y, y2 +<span id="L23" class="LineNr">23 </span> <span class="PreProc">break-if->=</span> +<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L3'>pixel</a> screen, x, y, color +<span id="L25" class="LineNr">25 </span> y <span class="SpecialChar"><-</span> increment +<span id="L26" class="LineNr">26 </span> <span class="PreProc">loop</span> +<span id="L27" class="LineNr">27 </span> <span class="Delimiter">}</span> +<span id="L28" class="LineNr">28 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/boot.hex.html b/html/baremetal/boot.hex.html index 5a3f3f43..610bcbe1 100644 --- a/html/baremetal/boot.hex.html +++ b/html/baremetal/boot.hex.html @@ -15,8 +15,8 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color: a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } -.LineNr { } .subxS1Comment { color: #0000af; } +.LineNr { } .Folded { color: #080808; background-color: #949494; } --> </style> diff --git a/html/baremetal/boot0.hex.html b/html/baremetal/boot0.hex.html index f619f115..958d5530 100644 --- a/html/baremetal/boot0.hex.html +++ b/html/baremetal/boot0.hex.html @@ -14,9 +14,9 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.Todo { color: #000000; background-color: #ffff00; padding-bottom: 1px; } .LineNr { } .Comment { color: #005faf; } -.Todo { color: #000000; background-color: #ffff00; padding-bottom: 1px; } --> </style> diff --git a/html/baremetal/ex2.mu.html b/html/baremetal/ex2.mu.html index 4dd35a7f..e52e4b88 100644 --- a/html/baremetal/ex2.mu.html +++ b/html/baremetal/ex2.mu.html @@ -14,13 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } +.Constant { color: #008787; } .SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } -.Constant { color: #008787; } -.PreProc { color: #c000c0; } +.muComment { color: #005faf; } --> </style> @@ -68,7 +68,7 @@ if ('onhashchange' in window) { <span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output:</span> <span id="L11" class="LineNr">11 </span><span class="muComment"># html/baremetal.png</span> <span id="L12" class="LineNr">12 </span> -<span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex2.mu.html#L13'>main</a></span> <span class="Delimiter">{</span> +<span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction">main</span> <span class="Delimiter">{</span> <span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L15" class="LineNr">15 </span> <span class="Delimiter">{</span> <span id="L16" class="LineNr">16 </span> compare y, <span class="Constant">0x300</span> <span class="muComment"># 768</span> diff --git a/html/baremetal/ex3.mu.html b/html/baremetal/ex3.mu.html index c9d6fb1f..54cdea24 100644 --- a/html/baremetal/ex3.mu.html +++ b/html/baremetal/ex3.mu.html @@ -14,13 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } +.Constant { color: #008787; } .SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } -.Constant { color: #008787; } -.PreProc { color: #c000c0; } +.muComment { color: #005faf; } --> </style> @@ -69,7 +69,7 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span><span class="muComment"># Expected output: a new green pixel starting from the top left corner of the</span> <span id="L12" class="LineNr">12 </span><span class="muComment"># screen every time you press a key (letter or digit)</span> <span id="L13" class="LineNr">13 </span> -<span id="L14" class="LineNr">14 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex3.mu.html#L14'>main</a></span> <span class="Delimiter">{</span> +<span id="L14" class="LineNr">14 </span><span class="PreProc">fn</span> <span class="muFunction">main</span> <span class="Delimiter">{</span> <span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L16" class="LineNr">16 </span> <span class="PreProc">var</span> y/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L17" class="LineNr">17 </span> <span class="Delimiter">{</span> diff --git a/html/baremetal/ex4.mu.html b/html/baremetal/ex4.mu.html index b9c5a36f..dc67e721 100644 --- a/html/baremetal/ex4.mu.html +++ b/html/baremetal/ex4.mu.html @@ -14,13 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } +.Constant { color: #008787; } .SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } -.Constant { color: #008787; } -.PreProc { color: #c000c0; } +.muComment { color: #005faf; } --> </style> @@ -67,7 +67,7 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span><span class="muComment">#</span> <span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output: letter 'A' in green near the top-left corner of screen</span> <span id="L11" class="LineNr">11 </span> -<span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex4.mu.html#L12'>main</a></span> <span class="Delimiter">{</span> +<span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction">main</span> <span class="Delimiter">{</span> <span id="L13" class="LineNr">13 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x41</span> <span class="muComment"># 'A'</span> <span id="L14" class="LineNr">14 </span> <a href='103grapheme.subx.html#L1'>draw-grapheme</a> <span class="Constant">0</span>, g, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> <span id="L15" class="LineNr">15 </span><span class="Delimiter">}</span> diff --git a/html/baremetal/ex5.mu.html b/html/baremetal/ex5.mu.html index 95c2f03d..c4321e97 100644 --- a/html/baremetal/ex5.mu.html +++ b/html/baremetal/ex5.mu.html @@ -14,12 +14,13 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.muComment { color: #005faf; } +.PreProc { color: #c000c0; } .LineNr { } +.Constant { color: #008787; } +.SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } -.Constant { color: #008787; } -.PreProc { color: #c000c0; } +.muComment { color: #005faf; } --> </style> @@ -55,20 +56,22 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/ex5.mu'>https://github.com/akkartik/mu/blob/main/baremetal/ex5.mu</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Draw an ASCII string using the built-in font (GNU unifont)</span> -<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span> -<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To build a disk image:</span> -<span id="L4" class="LineNr"> 4 </span><span class="muComment"># ./translate_mu_baremetal baremetal/ex5.mu # emits disk.img</span> -<span id="L5" class="LineNr"> 5 </span><span class="muComment"># To run:</span> -<span id="L6" class="LineNr"> 6 </span><span class="muComment"># qemu-system-i386 disk.img</span> -<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Or:</span> -<span id="L8" class="LineNr"> 8 </span><span class="muComment"># bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img</span> -<span id="L9" class="LineNr"> 9 </span><span class="muComment">#</span> -<span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output: text in green near the top-left corner of screen</span> -<span id="L11" class="LineNr">11 </span> -<span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex5.mu.html#L12'>main</a></span> <span class="Delimiter">{</span> -<span id="L13" class="LineNr">13 </span> <a href='501draw-text.mu.html#L1'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"hello from baremetal Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> -<span id="L14" class="LineNr">14 </span><span class="Delimiter">}</span> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Draw a single line of ASCII text using the built-in font (GNU unifont)</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment"># Also demonstrates bounds-checking _before_ drawing.</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># To build a disk image:</span> +<span id="L5" class="LineNr"> 5 </span><span class="muComment"># ./translate_mu_baremetal baremetal/ex5.mu # emits disk.img</span> +<span id="L6" class="LineNr"> 6 </span><span class="muComment"># To run:</span> +<span id="L7" class="LineNr"> 7 </span><span class="muComment"># qemu-system-i386 disk.img</span> +<span id="L8" class="LineNr"> 8 </span><span class="muComment"># Or:</span> +<span id="L9" class="LineNr"> 9 </span><span class="muComment"># bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img</span> +<span id="L10" class="LineNr">10 </span><span class="muComment">#</span> +<span id="L11" class="LineNr">11 </span><span class="muComment"># Expected output: text in green near the top-left corner of screen</span> +<span id="L12" class="LineNr">12 </span> +<span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction">main</span> <span class="Delimiter">{</span> +<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> draw-text-rightward <span class="Constant">0</span>, <span class="Constant">"hello from baremetal Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x400</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> <span class="muComment"># xmax = end of screen, plenty of space</span> +<span id="L15" class="LineNr">15 </span> dummy <span class="SpecialChar"><-</span> draw-text-rightward <span class="Constant">0</span>, <span class="Constant">"you shouldn't see this"</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa0</span>, <span class="Constant">0x30</span>, <span class="Constant">0x3</span> <span class="muComment"># xmax = 0xa0, which is too narrow</span> +<span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/baremetal/ex6.mu.html b/html/baremetal/ex6.mu.html new file mode 100644 index 00000000..810b729b --- /dev/null +++ b/html/baremetal/ex6.mu.html @@ -0,0 +1,94 @@ +<!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 - baremetal/ex6.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-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.LineNr { } +.Constant { color: #008787; } +.SpecialChar { color: #d70000; } +.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/baremetal/ex6.mu'>https://github.com/akkartik/mu/blob/main/baremetal/ex6.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Drawing ASCII text incrementally.</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To build a disk image:</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># ./translate_mu_baremetal baremetal/ex6.mu # emits disk.img</span> +<span id="L5" class="LineNr"> 5 </span><span class="muComment"># To run:</span> +<span id="L6" class="LineNr"> 6 </span><span class="muComment"># qemu-system-i386 disk.img</span> +<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Or:</span> +<span id="L8" class="LineNr"> 8 </span><span class="muComment"># bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img</span> +<span id="L9" class="LineNr"> 9 </span><span class="muComment">#</span> +<span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output: a box and text that doesn't overflow it</span> +<span id="L11" class="LineNr">11 </span> +<span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction">main</span> <span class="Delimiter">{</span> +<span id="L13" class="LineNr">13 </span> <span class="muComment"># drawing text within a bounding box</span> +<span id="L14" class="LineNr">14 </span> draw-box <span class="Constant">0</span>, <span class="Constant">0xf</span>, <span class="Constant">0x1f</span>, <span class="Constant">0x79</span>, <span class="Constant">0x51</span>, <span class="Constant">0x4</span> +<span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> +<span id="L16" class="LineNr">16 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> +<span id="L17" class="LineNr">17 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down <span class="Constant">0</span>, <span class="Constant">"hello "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> <span class="muComment"># (0x10, 0x20) -> (0x78, 0x50)</span> +<span id="L18" class="LineNr">18 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down <span class="Constant">0</span>, <span class="Constant">"from "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L19" class="LineNr">19 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down <span class="Constant">0</span>, <span class="Constant">"baremetal "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L20" class="LineNr">20 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down <span class="Constant">0</span>, <span class="Constant">"Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L21" class="LineNr">21 </span> +<span id="L22" class="LineNr">22 </span> <span class="muComment"># drawing at the cursor in multiple directions</span> +<span id="L23" class="LineNr">23 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-down-then-right-from-cursor-over-full-screen <span class="Constant">0</span>, <span class="Constant">"abc"</span>, <span class="Constant">0xa</span> +<span id="L24" class="LineNr">24 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down-from-cursor-over-full-screen <span class="Constant">0</span>, <span class="Constant">"def"</span>, <span class="Constant">0xa</span> +<span id="L25" class="LineNr">25 </span> +<span id="L26" class="LineNr">26 </span> <span class="muComment"># test drawing near the edge</span> +<span id="L27" class="LineNr">27 </span> x <span class="SpecialChar"><-</span> draw-text-rightward <span class="Constant">0</span>, <span class="Constant">"R"</span>, <span class="Constant">0x3f8</span>, <span class="Constant">0x400</span>, <span class="Constant">0x100</span>, <span class="Constant">0xa</span> +<span id="L28" class="LineNr">28 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-right-then-down-from-cursor-over-full-screen <span class="Constant">0</span>, <span class="Constant">"wrapped from R"</span>, <span class="Constant">0xa</span> +<span id="L29" class="LineNr">29 </span> +<span id="L30" class="LineNr">30 </span> x <span class="SpecialChar"><-</span> draw-text-downward <span class="Constant">0</span>, <span class="Constant">"D"</span>, <span class="Constant">0x100</span>, <span class="Constant">0x2f0</span>, <span class="Constant">0x300</span>, <span class="Constant">0xa</span> +<span id="L31" class="LineNr">31 </span> x, y <span class="SpecialChar"><-</span> draw-text-wrapping-down-then-right-from-cursor-over-full-screen <span class="Constant">0</span>, <span class="Constant">"wrapped from D"</span>, <span class="Constant">0xa</span> +<span id="L32" class="LineNr">32 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> 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