105 lines
7.2 KiB
HTML
105 lines
7.2 KiB
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<a href='https://github.com/akkartik/mu/blob/main/shell/main.mu'>https://github.com/akkartik/mu/blob/main/shell/main.mu</a>
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Experimental Mu shell</span>
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<span id="L2" class="LineNr"> 2 </span><span class="muComment"># A Lisp with indent-sensitivity and infix, no macros. Commas are ignored.</span>
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<span id="L3" class="LineNr"> 3 </span>
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<span id="L4" class="LineNr"> 4 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L4'>main</a></span> <span class="Delimiter">{</span>
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<span id="L5" class="LineNr"> 5 </span> <span class="PreProc">var</span> sandbox-storage: <a href='sandbox.mu.html#L1'>sandbox</a>
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<span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> <a href='sandbox.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> address sandbox-storage
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<span id="L7" class="LineNr"> 7 </span> <a href='sandbox.mu.html#L8'>initialize-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>
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<span id="L8" class="LineNr"> 8 </span> <a href='main.mu.html#L27'>load-sandbox-from-secondary-disk</a> <a href='sandbox.mu.html#L1'>sandbox</a>
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<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L10" class="LineNr">10 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
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<span id="L11" class="LineNr">11 </span> width, height <span class="Special"><-</span> <a href='../500text-screen.mu.html#L50'>screen-size</a> <span class="Constant">0</span>/screen
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<span id="L12" class="LineNr">12 </span> <span class="Delimiter">{</span>
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<span id="L13" class="LineNr">13 </span> <a href='sandbox.mu.html#L41'>render-sandbox</a> <span class="Constant">0</span>/screen, <a href='sandbox.mu.html#L1'>sandbox</a>, <span class="Constant">2</span>/x, <span class="Constant">2</span>/y, width, height
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<span id="L14" class="LineNr">14 </span> <span class="Delimiter">{</span>
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<span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="Special"><-</span> <a href='../102keyboard.subx.html#L9'>read-key</a> <span class="Constant">0</span>/keyboard
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<span id="L16" class="LineNr">16 </span> compare key, <span class="Constant">0</span>
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<span id="L17" class="LineNr">17 </span> <span class="PreProc">loop-if-=</span>
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<span id="L18" class="LineNr">18 </span> <span class="muComment"># no way to quit right now; just reboot</span>
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<span id="L19" class="LineNr">19 </span> <a href='sandbox.mu.html#L107'>edit-sandbox</a> <a href='sandbox.mu.html#L1'>sandbox</a>, key
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<span id="L20" class="LineNr">20 </span> <span class="Delimiter">}</span>
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<span id="L21" class="LineNr">21 </span> <span class="PreProc">loop</span>
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<span id="L22" class="LineNr">22 </span> <span class="Delimiter">}</span>
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<span id="L23" class="LineNr">23 </span><span class="Delimiter">}</span>
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<span id="L24" class="LineNr">24 </span>
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<span id="L25" class="LineNr">25 </span><span class="muComment"># Read a null-terminated sequence of keys from secondary disk and load them</span>
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<span id="L26" class="LineNr">26 </span><span class="muComment"># into sandbox.</span>
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<span id="L27" class="LineNr">27 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L27'>load-sandbox-from-secondary-disk</a></span> _self: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
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<span id="L28" class="LineNr">28 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='sandbox.mu.html#L1'>sandbox</a>) <span class="Special"><-</span> copy _self
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<span id="L29" class="LineNr">29 </span> <span class="PreProc">var</span> s-storage: (stream byte <span class="Constant">0x200</span>)
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<span id="L30" class="LineNr">30 </span> <span class="PreProc">var</span> s/<span class="Constant">ebx</span>: (addr stream byte) <span class="Special"><-</span> address s-storage
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<span id="L31" class="LineNr">31 </span> <a href='../boot.subx.html#L817'>load-first-sector-from-primary-bus-secondary-drive</a> s
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<span id="L32" class="LineNr">32 </span> <span class="Delimiter">{</span>
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<span id="L33" class="LineNr">33 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> s
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<span id="L34" class="LineNr">34 </span> compare done?, <span class="Constant">0</span>/false
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<span id="L35" class="LineNr">35 </span> <span class="PreProc">break-if-!=</span>
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<span id="L36" class="LineNr">36 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L13'>read-byte</a> s
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<span id="L37" class="LineNr">37 </span> compare key, <span class="Constant">0</span>/null
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<span id="L38" class="LineNr">38 </span> <span class="PreProc">break-if-=</span>
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<span id="L39" class="LineNr">39 </span> <a href='sandbox.mu.html#L107'>edit-sandbox</a> self, key
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<span id="L40" class="LineNr">40 </span> <span class="PreProc">loop</span>
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<span id="L41" class="LineNr">41 </span> <span class="Delimiter">}</span>
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<span id="L42" class="LineNr">42 </span><span class="Delimiter">}</span>
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</pre>
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