80 lines
4.4 KiB
HTML
80 lines
4.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Mu - ex5.mu</title>
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<meta name="Generator" content="Vim/8.1">
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<meta name="plugin-version" content="vim8.1_v1">
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<meta name="syntax" content="none">
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<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
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<meta name="colorscheme" content="minimal-light">
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<style type="text/css">
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a { color:inherit; }
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* { font-size:12pt; font-size: 1em; }
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.muComment { color: #005faf; }
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.LineNr { }
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.Special { color: #ff6060; }
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.muRegEax { color: #875f00; }
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.Delimiter { color: #c000c0; }
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.muFunction { color: #af5f00; text-decoration: underline; }
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.Constant { color: #008787; }
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.PreProc { color: #c000c0; }
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/* function to open any folds containing a jumped-to line before jumping to it */
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function JumpToLine()
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var lineNum;
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lineNum = window.location.hash;
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lineNum = lineNum.substr(1); /* strip off '#' */
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if (lineNum.indexOf('L') == -1) {
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lineNum = 'L'+lineNum;
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}
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var lineElem = document.getElementById(lineNum);
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/* Always jump to new location even if the line was hidden inside a fold, or
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* we corrected the raw number to a line ID.
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<body onload='JumpToLine();'>
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<a href='https://github.com/akkartik/mu/blob/main/ex5.mu'>https://github.com/akkartik/mu/blob/main/ex5.mu</a>
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<pre id='vimCodeElement'>
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<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>
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<span id="L2" class="LineNr"> 2 </span><span class="muComment"># Also demonstrates bounds-checking _before_ drawing.</span>
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<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span>
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<span id="L4" class="LineNr"> 4 </span><span class="muComment"># To build a disk image:</span>
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<span id="L5" class="LineNr"> 5 </span><span class="muComment"># ./translate ex5.mu # emits code.img</span>
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<span id="L6" class="LineNr"> 6 </span><span class="muComment"># To run:</span>
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<span id="L7" class="LineNr"> 7 </span><span class="muComment"># qemu-system-i386 code.img</span>
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<span id="L8" class="LineNr"> 8 </span><span class="muComment"># Or:</span>
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<span id="L9" class="LineNr"> 9 </span><span class="muComment"># bochs -f bochsrc # bochsrc loads code.img</span>
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<span id="L10" class="LineNr">10 </span><span class="muComment">#</span>
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<span id="L11" class="LineNr">11 </span><span class="muComment"># Expected output: text in green near the top-left corner of screen</span>
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<span id="L12" class="LineNr">12 </span>
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<span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex5.mu.html#L13'>main</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
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<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> dummy/<span class="muRegEax">eax</span>: int <span class="Special"><-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"hello from baremetal Mu!"</span>, <span class="Constant">0x10</span>/x, <span class="Constant">0x400</span>/xmax, <span class="Constant">0x10</span>/y, <span class="Constant">0xa</span>/fg, <span class="Constant">0</span>/bg
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<span id="L15" class="LineNr">15 </span> dummy <span class="Special"><-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"you shouldn't see this"</span>, <span class="Constant">0x10</span>/x, <span class="Constant">0xa0</span>/xmax, <span class="Constant">0x30</span>/y, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg <span class="muComment"># xmax is too narrow</span>
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<span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span>
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</pre>
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</body>
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</html>
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