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| author | Kartik Agaram <vc@akkartik.com> | 2020-01-16 18:31:12 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-01-16 18:31:12 -0800 |
| commit | 6070c23e5e1c60d3bb169e43bddfa59b1d322427 (patch) | |
| tree | 9a70e378c33c15e4779cf94abda8f37c35a5d1da /html/apps/ex8.subx.html | |
| parent | 5a6601aba973ba1d1ef30b7b64438c25623b89c5 (diff) | |
| download | mu-6070c23e5e1c60d3bb169e43bddfa59b1d322427.tar.gz | |
5897 - rename comparison instructions
Signed and unsigned don't quite capture the essence of what the different combinations of x86 flags are doing for SubX. The crucial distinction is that one set of comparison operators is for integers and the second is for addresses.
Diffstat (limited to 'html/apps/ex8.subx.html')
| -rw-r--r-- | html/apps/ex8.subx.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/html/apps/ex8.subx.html b/html/apps/ex8.subx.html index 04c0e1cb..df27c764 100644 --- a/html/apps/ex8.subx.html +++ b/html/apps/ex8.subx.html @@ -103,7 +103,7 @@ if ('onhashchange' in window) { <span id="L44" class="LineNr">44 </span> 8a/copy-byte 0/mod/* 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edx to CL</span> <span id="L45" class="LineNr">45 </span> <span class="subxComment"># if (c == '\0') break</span> <span id="L46" class="LineNr">46 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ecx</span> -<span id="L47" class="LineNr">47 </span> 74/jump-if-equal $ascii-length:end/disp8 +<span id="L47" class="LineNr">47 </span> 74/jump-if-= $ascii-length:end/disp8 <span id="L48" class="LineNr">48 </span> <span class="subxComment"># ++s</span> <span id="L49" class="LineNr">49 </span> 42/increment-edx <span id="L50" class="LineNr">50 </span> <span class="subxComment"># ++result</span> |