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<a href='https://github.com/akkartik/mu/blob/main/linux/apps/ex2.subx'>https://github.com/akkartik/mu/blob/main/linux/apps/ex2.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Add 3 and 4, and return the result in the exit code.</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># To run:</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># $ bootstrap/bootstrap translate apps/ex2.subx -o ex2</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># $ bootstrap/bootstrap run ex2</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># Expected result:</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># $ echo $?</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># 2</span>
<span id="L9" class="LineNr"> 9 </span>
<span id="L10" class="LineNr">10 </span>== code
<span id="L11" class="LineNr">11 </span>
<span id="L12" class="LineNr">12 </span><span class="SpecialChar">Entry</span>:
<span id="L13" class="LineNr">13 </span><span class="subxComment"># ebx = 3</span>
<span id="L14" class="LineNr">14 </span>bb/copy-to-ebx 3/imm32
<span id="L15" class="LineNr">15 </span><span class="subxComment"># add 4 to ebx</span>
<span id="L16" class="LineNr">16 </span>81 0/subop/add 3/mod/direct 3/rm32/ebx 4/imm32
<span id="L17" class="LineNr">17 </span><span class="subxComment"># exit(ebx)</span>
<span id="L18" class="LineNr">18 </span>e8/call <a href='../000init.subx.html#L18'>syscall_exit</a>/disp32
<span id="L19" class="LineNr">19 </span>
<span id="L20" class="LineNr">20 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span>
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