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| author | Kartik Agaram <vc@akkartik.com> | 2021-01-09 19:02:23 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2021-01-09 19:02:23 -0800 |
| commit | 7b109ab6528bfafa6ac8fd9340e5cc0217bcec50 (patch) | |
| tree | 2c3c383682566d3a04fa270559c1b0f72a2c17c6 /html/baremetal/ex3.mu.html | |
| parent | 3de4d557d5e4686e5be589a8c61b4246f6bab549 (diff) | |
| download | mu-7b109ab6528bfafa6ac8fd9340e5cc0217bcec50.tar.gz | |
7494
Diffstat (limited to 'html/baremetal/ex3.mu.html')
| -rw-r--r-- | html/baremetal/ex3.mu.html | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/html/baremetal/ex3.mu.html b/html/baremetal/ex3.mu.html new file mode 100644 index 00000000..c9d6fb1f --- /dev/null +++ b/html/baremetal/ex3.mu.html @@ -0,0 +1,93 @@ +<!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/ex3.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; } +.muComment { color: #005faf; } +.LineNr { } +.SpecialChar { color: #d70000; } +.Delimiter { color: #c000c0; } +.muFunction { color: #af5f00; text-decoration: underline; } +.Constant { color: #008787; } +.PreProc { color: #c000c0; } +--> +</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/ex3.mu'>https://github.com/akkartik/mu/blob/main/baremetal/ex3.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Draw pixels in response to keyboard events, starting from the top-left</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment"># and in raster order.</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/ex3.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: 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="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> +<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L3'>read-key</a> <span class="Constant">0</span> <span class="muComment"># real keyboard</span> +<span id="L19" class="LineNr">19 </span> compare key, <span class="Constant">0</span> +<span id="L20" class="LineNr">20 </span> <span class="PreProc">loop-if-=</span> <span class="muComment"># busy wait</span> +<span id="L21" class="LineNr">21 </span> <a href='101screen.subx.html#L3'>pixel</a> <span class="Constant">0</span>, x, y, <span class="Constant">0x31</span> <span class="muComment"># green</span> +<span id="L22" class="LineNr">22 </span> x <span class="SpecialChar"><-</span> increment +<span id="L23" class="LineNr">23 </span> compare x, <span class="Constant">0x400</span> +<span id="L24" class="LineNr">24 </span> <span class="Delimiter">{</span> +<span id="L25" class="LineNr">25 </span> <span class="PreProc">break-if-<</span> +<span id="L26" class="LineNr">26 </span> y <span class="SpecialChar"><-</span> increment +<span id="L27" class="LineNr">27 </span> x <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L28" class="LineNr">28 </span> <span class="Delimiter">}</span> +<span id="L29" class="LineNr">29 </span> <span class="PreProc">loop</span> +<span id="L30" class="LineNr">30 </span> <span class="Delimiter">}</span> +<span id="L31" class="LineNr">31 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |