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* undo previous commitKartik K. Agaram2021-04-051-1/+0
* snapshot: stupid debugging sessionKartik K. Agaram2021-04-051-0/+1
* .Kartik Agaram2021-03-291-1/+1
* 7847Kartik K. Agaram2021-03-041-2/+2
* 7842 - new directory organizationKartik K. Agaram2021-03-031-0/+18
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-27 01:03:51 +0000
Agaram <vc@akkartik.com> 2021-01-09 19:02:23 -0800 committer Kartik Agaram <vc@akkartik.com> 2021-01-09 19:02:23 -0800 7494' href='/akkartik/mu/commit/html/baremetal/ex5.mu.html?h=hlt&id=7b109ab6528bfafa6ac8fd9340e5cc0217bcec50'>7b109ab6 ^ 
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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>
<pre id='vimCodeElement'>
<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 ex5.mu             # emits code.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 code.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 bochsrc               # bochsrc loads code.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"><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>
<span id="L14" class="LineNr">14 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;hello from baremetal Mu!&quot;</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
<span id="L15" class="LineNr">15 </span>  dummy <span class="Special">&lt;-</span> <a href='501draw-text.mu.html#L100'>draw-text-rightward</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">&quot;you shouldn't see this&quot;</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>
<span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span>
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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-27 01:03:50 +0000