diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-09-22 00:32:03 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-09-22 00:32:03 -0700 |
| commit | 1a4de9dd58201bb57a07ea931d1764064fc52e64 (patch) | |
| tree | 491ddf356cba78cb0ae248a9daa065e475c0a3da /html/subx/013direct_addressing.cc.html | |
| parent | 08c2f2a5ce0a55c1b33314309ab857d305a0e58b (diff) | |
| download | mu-1a4de9dd58201bb57a07ea931d1764064fc52e64.tar.gz | |
4588
Diffstat (limited to 'html/subx/013direct_addressing.cc.html')
| -rw-r--r-- | html/subx/013direct_addressing.cc.html | 289 |
1 files changed, 205 insertions, 84 deletions
diff --git a/html/subx/013direct_addressing.cc.html b/html/subx/013direct_addressing.cc.html index 8b251309..0c945efa 100644 --- a/html/subx/013direct_addressing.cc.html +++ b/html/subx/013direct_addressing.cc.html @@ -327,7 +327,7 @@ if ('onhashchange' in window) { <span id="L262" class="LineNr">262 </span><span class="SalientComment">//:: compare (cmp)</span> <span id="L263" class="LineNr">263 </span> <span id="L264" class="LineNr">264 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> -<span id="L265" class="LineNr">265 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"39"</span><span class="Delimiter">,</span> <span class="Constant">"set SF if rm32 < r32"</span><span class="Delimiter">);</span> +<span id="L265" class="LineNr">265 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"39"</span><span class="Delimiter">,</span> <span class="Constant">"compare: set SF if rm32 < r32"</span><span class="Delimiter">);</span> <span id="L266" class="LineNr">266 </span> <span id="L267" class="LineNr">267 </span><span class="Delimiter">:(scenario compare_r32_with_r32_greater)</span> <span id="L268" class="LineNr">268 </span><span class="Special">% Reg[EAX].i = 0x0a0b0c0d;</span> @@ -435,92 +435,213 @@ if ('onhashchange' in window) { <span id="L370" class="LineNr">370 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L371" class="LineNr">371 </span><span class="Delimiter">}</span> <span id="L372" class="LineNr">372 </span> -<span id="L373" class="LineNr">373 </span><span class="SalientComment">//:: push</span> +<span id="L373" class="LineNr">373 </span><span class="SalientComment">//:: increment</span> <span id="L374" class="LineNr">374 </span> <span id="L375" class="LineNr">375 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> -<span id="L376" class="LineNr">376 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"50"</span><span class="Delimiter">,</span> <span class="Constant">"push R0 (EAX) to stack"</span><span class="Delimiter">);</span> -<span id="L377" class="LineNr">377 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"51"</span><span class="Delimiter">,</span> <span class="Constant">"push R1 (ECX) to stack"</span><span class="Delimiter">);</span> -<span id="L378" class="LineNr">378 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"52"</span><span class="Delimiter">,</span> <span class="Constant">"push R2 (EDX) to stack"</span><span class="Delimiter">);</span> -<span id="L379" class="LineNr">379 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"53"</span><span class="Delimiter">,</span> <span class="Constant">"push R3 (EBX) to stack"</span><span class="Delimiter">);</span> -<span id="L380" class="LineNr">380 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"54"</span><span class="Delimiter">,</span> <span class="Constant">"push R4 (ESP) to stack"</span><span class="Delimiter">);</span> -<span id="L381" class="LineNr">381 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"55"</span><span class="Delimiter">,</span> <span class="Constant">"push R5 (EBP) to stack"</span><span class="Delimiter">);</span> -<span id="L382" class="LineNr">382 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"56"</span><span class="Delimiter">,</span> <span class="Constant">"push R6 (ESI) to stack"</span><span class="Delimiter">);</span> -<span id="L383" class="LineNr">383 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"57"</span><span class="Delimiter">,</span> <span class="Constant">"push R7 (EDI) to stack"</span><span class="Delimiter">);</span> +<span id="L376" class="LineNr">376 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"40"</span><span class="Delimiter">,</span> <span class="Constant">"increment R0 (EAX)"</span><span class="Delimiter">);</span> +<span id="L377" class="LineNr">377 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"41"</span><span class="Delimiter">,</span> <span class="Constant">"increment R1 (ECX)"</span><span class="Delimiter">);</span> +<span id="L378" class="LineNr">378 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"42"</span><span class="Delimiter">,</span> <span class="Constant">"increment R2 (EDX)"</span><span class="Delimiter">);</span> +<span id="L379" class="LineNr">379 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"43"</span><span class="Delimiter">,</span> <span class="Constant">"increment R3 (EBX)"</span><span class="Delimiter">);</span> +<span id="L380" class="LineNr">380 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"44"</span><span class="Delimiter">,</span> <span class="Constant">"increment R4 (ESP)"</span><span class="Delimiter">);</span> +<span id="L381" class="LineNr">381 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"45"</span><span class="Delimiter">,</span> <span class="Constant">"increment R5 (EBP)"</span><span class="Delimiter">);</span> +<span id="L382" class="LineNr">382 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"46"</span><span class="Delimiter">,</span> <span class="Constant">"increment R6 (ESI)"</span><span class="Delimiter">);</span> +<span id="L383" class="LineNr">383 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"47"</span><span class="Delimiter">,</span> <span class="Constant">"increment R7 (EDI)"</span><span class="Delimiter">);</span> <span id="L384" class="LineNr">384 </span> -<span id="L385" class="LineNr">385 </span><span class="Delimiter">:(scenario push_r32)</span> -<span id="L386" class="LineNr">386 </span><span class="Special">% Reg[ESP].u = 0x64;</span> -<span id="L387" class="LineNr">387 </span><span class="Special">% Reg[EBX].i = 0x0000000a;</span> -<span id="L388" class="LineNr">388 </span>== <span class="Constant">0x1</span> -<span id="L389" class="LineNr">389 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> -<span id="L390" class="LineNr">390 </span> <span class="Constant">53</span> <span class="Comment"># push EBX to stack</span> -<span id="L391" class="LineNr">391 </span><span class="traceContains">+run: <a href='012elf.cc.html#L84'>push</a> <a href='010---vm.cc.html#L16'>EBX</a></span> -<span id="L392" class="LineNr">392 </span><span class="traceContains">+run: decrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x00000060</span> -<span id="L393" class="LineNr">393 </span><span class="traceContains">+run: pushing value 0x0000000a</span> -<span id="L394" class="LineNr">394 </span> -<span id="L395" class="LineNr">395 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> -<span id="L396" class="LineNr">396 </span><span class="Normal">case</span> <span class="Constant">0x50</span>: -<span id="L397" class="LineNr">397 </span><span class="Normal">case</span> <span class="Constant">0x51</span>: -<span id="L398" class="LineNr">398 </span><span class="Normal">case</span> <span class="Constant">0x52</span>: -<span id="L399" class="LineNr">399 </span><span class="Normal">case</span> <span class="Constant">0x53</span>: -<span id="L400" class="LineNr">400 </span><span class="Normal">case</span> <span class="Constant">0x54</span>: -<span id="L401" class="LineNr">401 </span><span class="Normal">case</span> <span class="Constant">0x55</span>: -<span id="L402" class="LineNr">402 </span><span class="Normal">case</span> <span class="Constant">0x56</span>: -<span id="L403" class="LineNr">403 </span><span class="Normal">case</span> <span class="Constant">0x57</span>: <span class="Delimiter">{</span> <span class="Comment">// push r32 to stack</span> -<span id="L404" class="LineNr">404 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> -<span id="L405" class="LineNr">405 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> -<span id="L406" class="LineNr">406 </span><span class="CommentedCode">//? cerr << "push: " << NUM(reg) << ": " << Reg[reg].u << " => " << Reg[ESP].u << '\n';</span> -<span id="L407" class="LineNr">407 </span> <a href='012elf.cc.html#L84'>push</a><span class="Delimiter">(</span>Reg[reg]<span class="Delimiter">.</span>u<span class="Delimiter">);</span> -<span id="L408" class="LineNr">408 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L409" class="LineNr">409 </span><span class="Delimiter">}</span> -<span id="L410" class="LineNr">410 </span> -<span id="L411" class="LineNr">411 </span><span class="SalientComment">//:: pop</span> -<span id="L412" class="LineNr">412 </span> -<span id="L413" class="LineNr">413 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> -<span id="L414" class="LineNr">414 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"58"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R0 (EAX)"</span><span class="Delimiter">);</span> -<span id="L415" class="LineNr">415 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"59"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R1 (ECX)"</span><span class="Delimiter">);</span> -<span id="L416" class="LineNr">416 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5a"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R2 (EDX)"</span><span class="Delimiter">);</span> -<span id="L417" class="LineNr">417 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5b"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R3 (EBX)"</span><span class="Delimiter">);</span> -<span id="L418" class="LineNr">418 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5c"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R4 (ESP)"</span><span class="Delimiter">);</span> -<span id="L419" class="LineNr">419 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5d"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R5 (EBP)"</span><span class="Delimiter">);</span> -<span id="L420" class="LineNr">420 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5e"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R6 (ESI)"</span><span class="Delimiter">);</span> -<span id="L421" class="LineNr">421 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5f"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R7 (EDI)"</span><span class="Delimiter">);</span> -<span id="L422" class="LineNr">422 </span> -<span id="L423" class="LineNr">423 </span><span class="Delimiter">:(scenario pop_r32)</span> -<span id="L424" class="LineNr">424 </span><span class="Special">% Reg[ESP].u = 0x60;</span> -<span id="L425" class="LineNr">425 </span><span class="Special">% write_mem_i32(0x60, 0x0000000a);</span> -<span id="L426" class="LineNr">426 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> -<span id="L427" class="LineNr">427 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> -<span id="L428" class="LineNr">428 </span> 5b <span class="Comment"># pop stack to EBX</span> -<span id="L429" class="LineNr">429 </span>== <span class="Constant">0x60</span> <span class="Comment"># data segment</span> -<span id="L430" class="LineNr">430 </span>0a <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># 0x0a</span> -<span id="L431" class="LineNr">431 </span><span class="traceContains">+run: <a href='013direct_addressing.cc.html#L452'>pop</a> into <a href='010---vm.cc.html#L16'>EBX</a></span> -<span id="L432" class="LineNr">432 </span><span class="traceContains">+run: popping value 0x0000000a</span> -<span id="L433" class="LineNr">433 </span><span class="traceContains">+run: incrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x00000064</span> -<span id="L434" class="LineNr">434 </span> -<span id="L435" class="LineNr">435 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> -<span id="L436" class="LineNr">436 </span><span class="Normal">case</span> <span class="Constant">0x58</span>: -<span id="L437" class="LineNr">437 </span><span class="Normal">case</span> <span class="Constant">0x59</span>: -<span id="L438" class="LineNr">438 </span><span class="Normal">case</span> <span class="Constant">0x5a</span>: -<span id="L439" class="LineNr">439 </span><span class="Normal">case</span> <span class="Constant">0x5b</span>: -<span id="L440" class="LineNr">440 </span><span class="Normal">case</span> <span class="Constant">0x5c</span>: -<span id="L441" class="LineNr">441 </span><span class="Normal">case</span> <span class="Constant">0x5d</span>: -<span id="L442" class="LineNr">442 </span><span class="Normal">case</span> <span class="Constant">0x5e</span>: -<span id="L443" class="LineNr">443 </span><span class="Normal">case</span> <span class="Constant">0x5f</span>: <span class="Delimiter">{</span> <span class="Comment">// pop stack into r32</span> -<span id="L444" class="LineNr">444 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> -<span id="L445" class="LineNr">445 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"pop into "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> -<span id="L446" class="LineNr">446 </span><span class="CommentedCode">//? cerr << "pop from " << Reg[ESP].u << '\n';</span> -<span id="L447" class="LineNr">447 </span> Reg[reg]<span class="Delimiter">.</span>u = <a href='013direct_addressing.cc.html#L452'>pop</a><span class="Delimiter">();</span> -<span id="L448" class="LineNr">448 </span><span class="CommentedCode">//? cerr << "=> " << NUM(reg) << ": " << Reg[reg].u << '\n';</span> -<span id="L449" class="LineNr">449 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L450" class="LineNr">450 </span><span class="Delimiter">}</span> -<span id="L451" class="LineNr">451 </span><span class="Delimiter">:(code)</span> -<span id="L452" class="LineNr">452 </span><span class="Normal">uint32_t</span> <a href='013direct_addressing.cc.html#L452'>pop</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L453" class="LineNr">453 </span> <span class="Normal">uint32_t</span> result = <a href='010---vm.cc.html#L110'>read_mem_u32</a><span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">);</span> -<span id="L454" class="LineNr">454 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"popping value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << result << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> -<span id="L455" class="LineNr">455 </span> Reg[ESP]<span class="Delimiter">.</span>u += <span class="Constant">4</span><span class="Delimiter">;</span> -<span id="L456" class="LineNr">456 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"incrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << Reg[ESP]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> -<span id="L457" class="LineNr">457 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L458" class="LineNr">458 </span><span class="Delimiter">}</span> +<span id="L385" class="LineNr">385 </span><span class="Delimiter">:(scenario increment_r32)</span> +<span id="L386" class="LineNr">386 </span><span class="Special">% Reg[ECX].u = 0x1f;</span> +<span id="L387" class="LineNr">387 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> +<span id="L388" class="LineNr">388 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L389" class="LineNr">389 </span> <span class="Constant">41</span> <span class="Comment"># increment ECX</span> +<span id="L390" class="LineNr">390 </span><span class="traceContains">+run: increment <a href='010---vm.cc.html#L14'>ECX</a></span> +<span id="L391" class="LineNr">391 </span><span class="traceContains">+run: storing value 0x00000020</span> +<span id="L392" class="LineNr">392 </span> +<span id="L393" class="LineNr">393 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L394" class="LineNr">394 </span><span class="Normal">case</span> <span class="Constant">0x40</span>: +<span id="L395" class="LineNr">395 </span><span class="Normal">case</span> <span class="Constant">0x41</span>: +<span id="L396" class="LineNr">396 </span><span class="Normal">case</span> <span class="Constant">0x42</span>: +<span id="L397" class="LineNr">397 </span><span class="Normal">case</span> <span class="Constant">0x43</span>: +<span id="L398" class="LineNr">398 </span><span class="Normal">case</span> <span class="Constant">0x44</span>: +<span id="L399" class="LineNr">399 </span><span class="Normal">case</span> <span class="Constant">0x45</span>: +<span id="L400" class="LineNr">400 </span><span class="Normal">case</span> <span class="Constant">0x46</span>: +<span id="L401" class="LineNr">401 </span><span class="Normal">case</span> <span class="Constant">0x47</span>: <span class="Delimiter">{</span> <span class="Comment">// increment r32</span> +<span id="L402" class="LineNr">402 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> +<span id="L403" class="LineNr">403 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"increment "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L404" class="LineNr">404 </span> ++Reg[reg]<span class="Delimiter">.</span>u<span class="Delimiter">;</span> +<span id="L405" class="LineNr">405 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"storing value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << Reg[reg]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L406" class="LineNr">406 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L407" class="LineNr">407 </span><span class="Delimiter">}</span> +<span id="L408" class="LineNr">408 </span> +<span id="L409" class="LineNr">409 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> +<span id="L410" class="LineNr">410 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"ff"</span><span class="Delimiter">,</span> <span class="Constant">"inc/dec/jump/push/call rm32 based on subop"</span><span class="Delimiter">);</span> +<span id="L411" class="LineNr">411 </span> +<span id="L412" class="LineNr">412 </span><span class="Delimiter">:(scenario increment_rm32)</span> +<span id="L413" class="LineNr">413 </span><span class="Special">% Reg[EAX].u = 0x20;</span> +<span id="L414" class="LineNr">414 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> +<span id="L415" class="LineNr">415 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L416" class="LineNr">416 </span> ff c0 <span class="Comment"># increment EAX</span> +<span id="L417" class="LineNr">417 </span><span class="Comment"># ModR/M in binary: 11 (direct mode) 000 (subop inc) 000 (EAX)</span> +<span id="L418" class="LineNr">418 </span><span class="traceContains">+run: increment r/m32</span> +<span id="L419" class="LineNr">419 </span><span class="traceContains">+run: r/m32 is <a href='010---vm.cc.html#L13'>EAX</a></span> +<span id="L420" class="LineNr">420 </span><span class="traceContains">+run: storing value 0x00000021</span> +<span id="L421" class="LineNr">421 </span> +<span id="L422" class="LineNr">422 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L423" class="LineNr">423 </span><span class="Normal">case</span> <span class="Constant">0xff</span>: <span class="Delimiter">{</span> +<span id="L424" class="LineNr">424 </span> <span class="Normal">uint8_t</span> modrm = <a href='010---vm.cc.html#L214'>next</a><span class="Delimiter">();</span> +<span id="L425" class="LineNr">425 </span> <span class="Normal">uint8_t</span> subop = <span class="Delimiter">(</span>modrm>><span class="Constant">3</span><span class="Delimiter">)</span>&<span class="Constant">0x7</span><span class="Delimiter">;</span> <span class="Comment">// middle 3 'reg opcode' bits</span> +<span id="L426" class="LineNr">426 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>subop<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L427" class="LineNr">427 </span> <span class="Normal">case</span> <span class="Constant">0</span>: <span class="Delimiter">{</span> <span class="Comment">// increment r/m32</span> +<span id="L428" class="LineNr">428 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"increment r/m32"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L429" class="LineNr">429 </span> <span class="Normal">int32_t</span>* <a href='001help.cc.html#L15'>arg</a> = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> +<span id="L430" class="LineNr">430 </span> ++*arg<span class="Delimiter">;</span> +<span id="L431" class="LineNr">431 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"storing value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << *arg << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L432" class="LineNr">432 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L433" class="LineNr">433 </span> <span class="Delimiter">}</span> +<span id="L434" class="LineNr">434 </span> <span class="Comment">// End Op ff Subops</span> +<span id="L435" class="LineNr">435 </span> <span class="Delimiter">}</span> +<span id="L436" class="LineNr">436 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L437" class="LineNr">437 </span><span class="Delimiter">}</span> +<span id="L438" class="LineNr">438 </span> +<span id="L439" class="LineNr">439 </span><span class="SalientComment">//:: decrement</span> +<span id="L440" class="LineNr">440 </span> +<span id="L441" class="LineNr">441 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> +<span id="L442" class="LineNr">442 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"48"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R0 (EAX)"</span><span class="Delimiter">);</span> +<span id="L443" class="LineNr">443 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"49"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R1 (ECX)"</span><span class="Delimiter">);</span> +<span id="L444" class="LineNr">444 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4a"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R2 (EDX)"</span><span class="Delimiter">);</span> +<span id="L445" class="LineNr">445 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4b"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R3 (EBX)"</span><span class="Delimiter">);</span> +<span id="L446" class="LineNr">446 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4c"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R4 (ESP)"</span><span class="Delimiter">);</span> +<span id="L447" class="LineNr">447 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4d"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R5 (EBP)"</span><span class="Delimiter">);</span> +<span id="L448" class="LineNr">448 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4e"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R6 (ESI)"</span><span class="Delimiter">);</span> +<span id="L449" class="LineNr">449 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"4f"</span><span class="Delimiter">,</span> <span class="Constant">"decrement R7 (EDI)"</span><span class="Delimiter">);</span> +<span id="L450" class="LineNr">450 </span> +<span id="L451" class="LineNr">451 </span><span class="Delimiter">:(scenario decrement_r32)</span> +<span id="L452" class="LineNr">452 </span><span class="Special">% Reg[ECX].u = 0x1f;</span> +<span id="L453" class="LineNr">453 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> +<span id="L454" class="LineNr">454 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L455" class="LineNr">455 </span> <span class="Constant">49</span> <span class="Comment"># decrement ECX</span> +<span id="L456" class="LineNr">456 </span><span class="traceContains">+run: decrement <a href='010---vm.cc.html#L14'>ECX</a></span> +<span id="L457" class="LineNr">457 </span><span class="traceContains">+run: storing value 0x0000001e</span> +<span id="L458" class="LineNr">458 </span> +<span id="L459" class="LineNr">459 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L460" class="LineNr">460 </span><span class="Normal">case</span> <span class="Constant">0x48</span>: +<span id="L461" class="LineNr">461 </span><span class="Normal">case</span> <span class="Constant">0x49</span>: +<span id="L462" class="LineNr">462 </span><span class="Normal">case</span> <span class="Constant">0x4a</span>: +<span id="L463" class="LineNr">463 </span><span class="Normal">case</span> <span class="Constant">0x4b</span>: +<span id="L464" class="LineNr">464 </span><span class="Normal">case</span> <span class="Constant">0x4c</span>: +<span id="L465" class="LineNr">465 </span><span class="Normal">case</span> <span class="Constant">0x4d</span>: +<span id="L466" class="LineNr">466 </span><span class="Normal">case</span> <span class="Constant">0x4e</span>: +<span id="L467" class="LineNr">467 </span><span class="Normal">case</span> <span class="Constant">0x4f</span>: <span class="Delimiter">{</span> <span class="Comment">// decrement r32</span> +<span id="L468" class="LineNr">468 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> +<span id="L469" class="LineNr">469 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"decrement "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L470" class="LineNr">470 </span> --Reg[reg]<span class="Delimiter">.</span>u<span class="Delimiter">;</span> +<span id="L471" class="LineNr">471 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"storing value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << Reg[reg]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L472" class="LineNr">472 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L473" class="LineNr">473 </span><span class="Delimiter">}</span> +<span id="L474" class="LineNr">474 </span> +<span id="L475" class="LineNr">475 </span><span class="Delimiter">:(scenario decrement_rm32)</span> +<span id="L476" class="LineNr">476 </span><span class="Special">% Reg[EAX].u = 0x20;</span> +<span id="L477" class="LineNr">477 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> +<span id="L478" class="LineNr">478 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L479" class="LineNr">479 </span> ff c8 <span class="Comment"># decrement EAX</span> +<span id="L480" class="LineNr">480 </span><span class="Comment"># ModR/M in binary: 11 (direct mode) 001 (subop inc) 000 (EAX)</span> +<span id="L481" class="LineNr">481 </span><span class="traceContains">+run: decrement r/m32</span> +<span id="L482" class="LineNr">482 </span><span class="traceContains">+run: r/m32 is <a href='010---vm.cc.html#L13'>EAX</a></span> +<span id="L483" class="LineNr">483 </span><span class="traceContains">+run: storing value 0x0000001f</span> +<span id="L484" class="LineNr">484 </span> +<span id="L485" class="LineNr">485 </span><span class="Delimiter">:(before "End Op ff Subops")</span> +<span id="L486" class="LineNr">486 </span><span class="Normal">case</span> <span class="Constant">1</span>: <span class="Delimiter">{</span> <span class="Comment">// decrement r/m32</span> +<span id="L487" class="LineNr">487 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"decrement r/m32"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L488" class="LineNr">488 </span> <span class="Normal">int32_t</span>* <a href='001help.cc.html#L15'>arg</a> = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> +<span id="L489" class="LineNr">489 </span> --*arg<span class="Delimiter">;</span> +<span id="L490" class="LineNr">490 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"storing value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << *arg << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L491" class="LineNr">491 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L492" class="LineNr">492 </span><span class="Delimiter">}</span> +<span id="L493" class="LineNr">493 </span> +<span id="L494" class="LineNr">494 </span><span class="SalientComment">//:: push</span> +<span id="L495" class="LineNr">495 </span> +<span id="L496" class="LineNr">496 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> +<span id="L497" class="LineNr">497 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"50"</span><span class="Delimiter">,</span> <span class="Constant">"push R0 (EAX) to stack"</span><span class="Delimiter">);</span> +<span id="L498" class="LineNr">498 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"51"</span><span class="Delimiter">,</span> <span class="Constant">"push R1 (ECX) to stack"</span><span class="Delimiter">);</span> +<span id="L499" class="LineNr">499 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"52"</span><span class="Delimiter">,</span> <span class="Constant">"push R2 (EDX) to stack"</span><span class="Delimiter">);</span> +<span id="L500" class="LineNr">500 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"53"</span><span class="Delimiter">,</span> <span class="Constant">"push R3 (EBX) to stack"</span><span class="Delimiter">);</span> +<span id="L501" class="LineNr">501 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"54"</span><span class="Delimiter">,</span> <span class="Constant">"push R4 (ESP) to stack"</span><span class="Delimiter">);</span> +<span id="L502" class="LineNr">502 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"55"</span><span class="Delimiter">,</span> <span class="Constant">"push R5 (EBP) to stack"</span><span class="Delimiter">);</span> +<span id="L503" class="LineNr">503 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"56"</span><span class="Delimiter">,</span> <span class="Constant">"push R6 (ESI) to stack"</span><span class="Delimiter">);</span> +<span id="L504" class="LineNr">504 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"57"</span><span class="Delimiter">,</span> <span class="Constant">"push R7 (EDI) to stack"</span><span class="Delimiter">);</span> +<span id="L505" class="LineNr">505 </span> +<span id="L506" class="LineNr">506 </span><span class="Delimiter">:(scenario push_r32)</span> +<span id="L507" class="LineNr">507 </span><span class="Special">% Reg[ESP].u = 0x64;</span> +<span id="L508" class="LineNr">508 </span><span class="Special">% Reg[EBX].i = 0x0000000a;</span> +<span id="L509" class="LineNr">509 </span>== <span class="Constant">0x1</span> +<span id="L510" class="LineNr">510 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L511" class="LineNr">511 </span> <span class="Constant">53</span> <span class="Comment"># push EBX to stack</span> +<span id="L512" class="LineNr">512 </span><span class="traceContains">+run: <a href='012elf.cc.html#L85'>push</a> <a href='010---vm.cc.html#L16'>EBX</a></span> +<span id="L513" class="LineNr">513 </span><span class="traceContains">+run: decrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x00000060</span> +<span id="L514" class="LineNr">514 </span><span class="traceContains">+run: pushing value 0x0000000a</span> +<span id="L515" class="LineNr">515 </span> +<span id="L516" class="LineNr">516 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L517" class="LineNr">517 </span><span class="Normal">case</span> <span class="Constant">0x50</span>: +<span id="L518" class="LineNr">518 </span><span class="Normal">case</span> <span class="Constant">0x51</span>: +<span id="L519" class="LineNr">519 </span><span class="Normal">case</span> <span class="Constant">0x52</span>: +<span id="L520" class="LineNr">520 </span><span class="Normal">case</span> <span class="Constant">0x53</span>: +<span id="L521" class="LineNr">521 </span><span class="Normal">case</span> <span class="Constant">0x54</span>: +<span id="L522" class="LineNr">522 </span><span class="Normal">case</span> <span class="Constant">0x55</span>: +<span id="L523" class="LineNr">523 </span><span class="Normal">case</span> <span class="Constant">0x56</span>: +<span id="L524" class="LineNr">524 </span><span class="Normal">case</span> <span class="Constant">0x57</span>: <span class="Delimiter">{</span> <span class="Comment">// push r32 to stack</span> +<span id="L525" class="LineNr">525 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> +<span id="L526" class="LineNr">526 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L527" class="LineNr">527 </span><span class="CommentedCode">//? cerr << "push: " << NUM(reg) << ": " << Reg[reg].u << " => " << Reg[ESP].u << '\n';</span> +<span id="L528" class="LineNr">528 </span> <a href='012elf.cc.html#L85'>push</a><span class="Delimiter">(</span>Reg[reg]<span class="Delimiter">.</span>u<span class="Delimiter">);</span> +<span id="L529" class="LineNr">529 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L530" class="LineNr">530 </span><span class="Delimiter">}</span> +<span id="L531" class="LineNr">531 </span> +<span id="L532" class="LineNr">532 </span><span class="SalientComment">//:: pop</span> +<span id="L533" class="LineNr">533 </span> +<span id="L534" class="LineNr">534 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> +<span id="L535" class="LineNr">535 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"58"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R0 (EAX)"</span><span class="Delimiter">);</span> +<span id="L536" class="LineNr">536 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"59"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R1 (ECX)"</span><span class="Delimiter">);</span> +<span id="L537" class="LineNr">537 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5a"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R2 (EDX)"</span><span class="Delimiter">);</span> +<span id="L538" class="LineNr">538 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5b"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R3 (EBX)"</span><span class="Delimiter">);</span> +<span id="L539" class="LineNr">539 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5c"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R4 (ESP)"</span><span class="Delimiter">);</span> +<span id="L540" class="LineNr">540 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5d"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R5 (EBP)"</span><span class="Delimiter">);</span> +<span id="L541" class="LineNr">541 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5e"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R6 (ESI)"</span><span class="Delimiter">);</span> +<span id="L542" class="LineNr">542 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"5f"</span><span class="Delimiter">,</span> <span class="Constant">"pop top of stack to R7 (EDI)"</span><span class="Delimiter">);</span> +<span id="L543" class="LineNr">543 </span> +<span id="L544" class="LineNr">544 </span><span class="Delimiter">:(scenario pop_r32)</span> +<span id="L545" class="LineNr">545 </span><span class="Special">% Reg[ESP].u = 0x60;</span> +<span id="L546" class="LineNr">546 </span><span class="Special">% write_mem_i32(0x60, 0x0000000a);</span> +<span id="L547" class="LineNr">547 </span>== <span class="Constant">0x1</span> <span class="Comment"># code segment</span> +<span id="L548" class="LineNr">548 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> +<span id="L549" class="LineNr">549 </span> 5b <span class="Comment"># pop stack to EBX</span> +<span id="L550" class="LineNr">550 </span>== <span class="Constant">0x60</span> <span class="Comment"># data segment</span> +<span id="L551" class="LineNr">551 </span>0a <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># 0x0a</span> +<span id="L552" class="LineNr">552 </span><span class="traceContains">+run: <a href='013direct_addressing.cc.html#L573'>pop</a> into <a href='010---vm.cc.html#L16'>EBX</a></span> +<span id="L553" class="LineNr">553 </span><span class="traceContains">+run: popping value 0x0000000a</span> +<span id="L554" class="LineNr">554 </span><span class="traceContains">+run: incrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x00000064</span> +<span id="L555" class="LineNr">555 </span> +<span id="L556" class="LineNr">556 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L557" class="LineNr">557 </span><span class="Normal">case</span> <span class="Constant">0x58</span>: +<span id="L558" class="LineNr">558 </span><span class="Normal">case</span> <span class="Constant">0x59</span>: +<span id="L559" class="LineNr">559 </span><span class="Normal">case</span> <span class="Constant">0x5a</span>: +<span id="L560" class="LineNr">560 </span><span class="Normal">case</span> <span class="Constant">0x5b</span>: +<span id="L561" class="LineNr">561 </span><span class="Normal">case</span> <span class="Constant">0x5c</span>: +<span id="L562" class="LineNr">562 </span><span class="Normal">case</span> <span class="Constant">0x5d</span>: +<span id="L563" class="LineNr">563 </span><span class="Normal">case</span> <span class="Constant">0x5e</span>: +<span id="L564" class="LineNr">564 </span><span class="Normal">case</span> <span class="Constant">0x5f</span>: <span class="Delimiter">{</span> <span class="Comment">// pop stack into r32</span> +<span id="L565" class="LineNr">565 </span> <span class="Normal">uint8_t</span> <a href='010---vm.cc.html#L23'>reg</a> = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> +<span id="L566" class="LineNr">566 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"pop into "</span> << <a href='013direct_addressing.cc.html#L50'>rname</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L567" class="LineNr">567 </span><span class="CommentedCode">//? cerr << "pop from " << Reg[ESP].u << '\n';</span> +<span id="L568" class="LineNr">568 </span> Reg[reg]<span class="Delimiter">.</span>u = <a href='013direct_addressing.cc.html#L573'>pop</a><span class="Delimiter">();</span> +<span id="L569" class="LineNr">569 </span><span class="CommentedCode">//? cerr << "=> " << NUM(reg) << ": " << Reg[reg].u << '\n';</span> +<span id="L570" class="LineNr">570 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L571" class="LineNr">571 </span><span class="Delimiter">}</span> +<span id="L572" class="LineNr">572 </span><span class="Delimiter">:(code)</span> +<span id="L573" class="LineNr">573 </span><span class="Normal">uint32_t</span> <a href='013direct_addressing.cc.html#L573'>pop</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L574" class="LineNr">574 </span> <span class="Normal">uint32_t</span> result = <a href='010---vm.cc.html#L110'>read_mem_u32</a><span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">);</span> +<span id="L575" class="LineNr">575 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"popping value 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << result << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L576" class="LineNr">576 </span> Reg[ESP]<span class="Delimiter">.</span>u += <span class="Constant">4</span><span class="Delimiter">;</span> +<span id="L577" class="LineNr">577 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"incrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << Reg[ESP]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L578" class="LineNr">578 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L579" class="LineNr">579 </span><span class="Delimiter">}</span> </pre> </body> </html> |