diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-08-04 17:00:27 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-08-04 17:00:27 -0700 |
| commit | bb2b6ba7fd72bbebc3a4490d090f080e7b8628cc (patch) | |
| tree | 2a8e0697887f3028b3b9042b62fa57064537bd87 /html/subx/010vm.cc.html | |
| parent | 6cabcefe67d2cd0583b556129fe3d8c89cf0fcb8 (diff) | |
| download | mu-bb2b6ba7fd72bbebc3a4490d090f080e7b8628cc.tar.gz | |
4478
Diffstat (limited to 'html/subx/010vm.cc.html')
| -rw-r--r-- | html/subx/010vm.cc.html | 181 |
1 files changed, 96 insertions, 85 deletions
diff --git a/html/subx/010vm.cc.html b/html/subx/010vm.cc.html index 3c1aa5f3..1e5d5d87 100644 --- a/html/subx/010vm.cc.html +++ b/html/subx/010vm.cc.html @@ -131,7 +131,7 @@ if ('onhashchange' in window) { <span id="L70" class="LineNr"> 70 </span> <span class="Comment">/*</span><span class="Comment"> arg1 and arg2 must be signed </span><span class="Comment">*/</span> \ <span id="L71" class="LineNr"> 71 </span> <span class="Normal">int64_t</span> tmp = arg1 op arg2<span class="Delimiter">;</span> \ <span id="L72" class="LineNr"> 72 </span> arg1 = arg1 op arg2<span class="Delimiter">;</span> \ -<span id="L73" class="LineNr"> 73 </span> <a href='003trace.cc.html#L189'>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 0x"</span> << <a href='010vm.cc.html#L228'>HEXWORD</a> << arg1 << <a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> \ +<span id="L73" class="LineNr"> 73 </span> <a href='003trace.cc.html#L190'>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 0x"</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << arg1 << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> \ <span id="L74" class="LineNr"> 74 </span> SF = <span class="Delimiter">(</span>arg1 < <span class="Constant">0</span><span class="Delimiter">);</span> \ <span id="L75" class="LineNr"> 75 </span> ZF = <span class="Delimiter">(</span>arg1 == <span class="Constant">0</span><span class="Delimiter">);</span> \ <span id="L76" class="LineNr"> 76 </span> <a href='010vm.cc.html#L59'>OF</a> = <span class="Delimiter">(</span>arg1 != tmp<span class="Delimiter">);</span> \ @@ -142,7 +142,7 @@ if ('onhashchange' in window) { <span id="L81" class="LineNr"> 81 </span><span class="Comment">#define BINARY_BITWISE_OP(op, arg1, arg2) { \</span> <span id="L82" class="LineNr"> 82 </span> <span class="Comment">/*</span><span class="Comment"> arg1 and arg2 must be unsigned </span><span class="Comment">*/</span> \ <span id="L83" class="LineNr"> 83 </span> arg1 = arg1 op arg2<span class="Delimiter">;</span> \ -<span id="L84" class="LineNr"> 84 </span> <a href='003trace.cc.html#L189'>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 0x"</span> << <a href='010vm.cc.html#L228'>HEXWORD</a> << arg1 << <a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> \ +<span id="L84" class="LineNr"> 84 </span> <a href='003trace.cc.html#L190'>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 0x"</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << arg1 << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> \ <span id="L85" class="LineNr"> 85 </span> SF = <span class="Delimiter">(</span>arg1 >> <span class="Constant">31</span><span class="Delimiter">);</span> \ <span id="L86" class="LineNr"> 86 </span> ZF = <span class="Delimiter">(</span>arg1 == <span class="Constant">0</span><span class="Delimiter">);</span> \ <span id="L87" class="LineNr"> 87 </span> <a href='010vm.cc.html#L59'>OF</a> =<span class="Constant"> false</span><span class="Delimiter">;</span> \ @@ -207,89 +207,100 @@ if ('onhashchange' in window) { <span id="L146" class="LineNr">146 </span><span class="Comment">// skeleton of how x86 instructions are decoded</span> <span id="L147" class="LineNr">147 </span><span class="Normal">void</span> <a href='010vm.cc.html#L147'>run_one_instruction</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L148" class="LineNr">148 </span> <span class="Normal">uint8_t</span> op=<span class="Constant">0</span><span class="Delimiter">,</span> op2=<span class="Constant">0</span><span class="Delimiter">,</span> op3=<span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L149" class="LineNr">149 </span> <a href='003trace.cc.html#L189'>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">"inst: 0x"</span> << <a href='010vm.cc.html#L228'>HEXWORD</a> << <a href='010vm.cc.html#L29'>EIP</a> << <a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> -<span id="L150" class="LineNr">150 </span><span class="CommentedCode">//? cerr << "inst: 0x" << EIP << '\n';</span> -<span id="L151" class="LineNr">151 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>op = <a href='010vm.cc.html#L190'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L152" class="LineNr">152 </span> <span class="Normal">case</span> <span class="Constant">0xf4</span>: <span class="Comment">// hlt</span> -<span id="L153" class="LineNr">153 </span> <a href='010vm.cc.html#L29'>EIP</a> = <a href='010vm.cc.html#L95'>End_of_program</a><span class="Delimiter">;</span> -<span id="L154" class="LineNr">154 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L155" class="LineNr">155 </span> <span class="Comment">// End Single-Byte Opcodes</span> -<span id="L156" class="LineNr">156 </span> <span class="Normal">case</span> <span class="Constant">0x0f</span>: -<span id="L157" class="LineNr">157 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op2 = <a href='010vm.cc.html#L190'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L158" class="LineNr">158 </span> <span class="Comment">// End Two-Byte Opcodes Starting With 0f</span> -<span id="L159" class="LineNr">159 </span> <span class="Normal">default</span>: -<span id="L160" class="LineNr">160 </span> cerr << <span class="Constant">"unrecognized second opcode after 0f: "</span> << <a href='010vm.cc.html#L227'>HEXBYTE</a> << <a href='010vm.cc.html#L230'>NUM</a><span class="Delimiter">(</span>op2<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L161" class="LineNr">161 </span> <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> -<span id="L162" class="LineNr">162 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L163" class="LineNr">163 </span> <span class="Delimiter">}</span> -<span id="L164" class="LineNr">164 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L165" class="LineNr">165 </span> <span class="Normal">case</span> <span class="Constant">0xf3</span>: -<span id="L166" class="LineNr">166 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op2 = <a href='010vm.cc.html#L190'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L167" class="LineNr">167 </span> <span class="Comment">// End Two-Byte Opcodes Starting With f3</span> -<span id="L168" class="LineNr">168 </span> <span class="Normal">case</span> <span class="Constant">0x0f</span>: -<span id="L169" class="LineNr">169 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op3 = <a href='010vm.cc.html#L190'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L170" class="LineNr">170 </span> <span class="Comment">// End Three-Byte Opcodes Starting With f3 0f</span> -<span id="L171" class="LineNr">171 </span> <span class="Normal">default</span>: -<span id="L172" class="LineNr">172 </span> cerr << <span class="Constant">"unrecognized third opcode after f3 0f: "</span> << <a href='010vm.cc.html#L227'>HEXBYTE</a> << <a href='010vm.cc.html#L230'>NUM</a><span class="Delimiter">(</span>op3<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> -<span id="L174" class="LineNr">174 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span> -<span id="L176" class="LineNr">176 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L177" class="LineNr">177 </span> <span class="Normal">default</span>: -<span id="L178" class="LineNr">178 </span> cerr << <span class="Constant">"unrecognized second opcode after f3: "</span> << <a href='010vm.cc.html#L227'>HEXBYTE</a> << <a href='010vm.cc.html#L230'>NUM</a><span class="Delimiter">(</span>op2<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L179" class="LineNr">179 </span> <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> -<span id="L180" class="LineNr">180 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L181" class="LineNr">181 </span> <span class="Delimiter">}</span> -<span id="L182" class="LineNr">182 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L183" class="LineNr">183 </span> <span class="Normal">default</span>: -<span id="L184" class="LineNr">184 </span> cerr << <span class="Constant">"unrecognized opcode: "</span> << <a href='010vm.cc.html#L227'>HEXBYTE</a> << <a href='010vm.cc.html#L230'>NUM</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L185" class="LineNr">185 </span> <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> -<span id="L186" class="LineNr">186 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L187" class="LineNr">187 </span> <span class="Delimiter">}</span> -<span id="L188" class="LineNr">188 </span><span class="Delimiter">}</span> -<span id="L189" class="LineNr">189 </span> -<span id="L190" class="LineNr">190 </span><span class="Normal">inline</span> <span class="Normal">uint8_t</span> <a href='010vm.cc.html#L190'>next</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L191" class="LineNr">191 </span> <span class="Identifier">return</span> <a href='010vm.cc.html#L104'>read_mem_u8</a><span class="Delimiter">(</span>EIP++<span class="Delimiter">);</span> -<span id="L192" class="LineNr">192 </span><span class="Delimiter">}</span> -<span id="L193" class="LineNr">193 </span> -<span id="L194" class="LineNr">194 </span><span class="Comment">//: start tracking supported opcodes</span> -<span id="L195" class="LineNr">195 </span><span class="Delimiter">:(before "End Globals")</span> -<span id="L196" class="LineNr">196 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L196'>name</a><span class="Delimiter">;</span> -<span id="L197" class="LineNr">197 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L197'>name_0f</a><span class="Delimiter">;</span> -<span id="L198" class="LineNr">198 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L198'>name_f3</a><span class="Delimiter">;</span> -<span id="L199" class="LineNr">199 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L199'>name_f3_0f</a><span class="Delimiter">;</span> -<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before "End One-time Setup")</span> -<span id="L201" class="LineNr">201 </span><a href='010vm.cc.html#L203'>init_op_names</a><span class="Delimiter">();</span> -<span id="L202" class="LineNr">202 </span><span class="Delimiter">:(code)</span> -<span id="L203" class="LineNr">203 </span><span class="Normal">void</span> <a href='010vm.cc.html#L203'>init_op_names</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L204" class="LineNr">204 </span> <a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010vm.cc.html#L196'>name</a><span class="Delimiter">,</span> <span class="Constant">"f4"</span><span class="Delimiter">,</span> <span class="Constant">"halt"</span><span class="Delimiter">);</span> -<span id="L205" class="LineNr">205 </span> <span class="Comment">// End Initialize Op Names(name)</span> -<span id="L206" class="LineNr">206 </span><span class="Delimiter">}</span> -<span id="L207" class="LineNr">207 </span> -<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Special-cases(key)")</span> -<span id="L209" class="LineNr">209 </span><span class="Normal">if</span> <span class="Delimiter">(</span>key == <span class="Constant">"opcodes"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L210" class="LineNr">210 </span> cerr << <span class="Constant">"Opcodes currently supported by SubX:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> -<span id="L211" class="LineNr">211 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L196'>name</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L196'>name</a><span class="Delimiter">.</span><a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> -<span id="L212" class="LineNr">212 </span> cerr << <span class="Constant">" "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L213" class="LineNr">213 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L197'>name_0f</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L197'>name_0f</a><span class="Delimiter">.</span><a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> -<span id="L214" class="LineNr">214 </span> cerr << <span class="Constant">" 0f "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L215" class="LineNr">215 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L198'>name_f3</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L198'>name_f3</a><span class="Delimiter">.</span><a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> -<span id="L216" class="LineNr">216 </span> cerr << <span class="Constant">" f3 "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L217" class="LineNr">217 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L199'>name_f3_0f</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L199'>name_f3_0f</a><span class="Delimiter">.</span><a href='003trace.cc.html#L213'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> -<span id="L218" class="LineNr">218 </span> cerr << <span class="Constant">" f3 0f "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L219" class="LineNr">219 </span> cerr << <span class="Constant">"Run `subx help instructions` for details on <a href='011run.cc.html#L109'>words</a> like 'r32' and 'disp8'.</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> -<span id="L220" class="LineNr">220 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span> -<span id="L222" class="LineNr">222 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Contents")</span> -<span id="L223" class="LineNr">223 </span>cerr << <span class="Constant">" opcodes</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> -<span id="L224" class="LineNr">224 </span> -<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(before "End Includes")</span> -<span id="L226" class="LineNr">226 </span><span class="Comment">#include <iomanip></span> -<span id="L227" class="LineNr">227 </span><span class="Comment">#define HEXBYTE std::hex << std::setw(2) << std::setfill('0')</span> -<span id="L228" class="LineNr">228 </span><span class="Comment">#define HEXWORD std::hex << std::setw(8) << std::setfill('0')</span> -<span id="L229" class="LineNr">229 </span><span class="Comment">// ugly that iostream doesn't print uint8_t as an integer</span> -<span id="L230" class="LineNr">230 </span><span class="Comment">#define NUM(X) static_cast<int>(X)</span> -<span id="L231" class="LineNr">231 </span><span class="Comment">#include <stdint.h></span> +<span id="L149" class="LineNr">149 </span> <a href='003trace.cc.html#L190'>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">"inst: 0x"</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << <a href='010vm.cc.html#L29'>EIP</a> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L150" class="LineNr">150 </span><span class="CommentedCode">//? dump_registers();</span> +<span id="L151" class="LineNr">151 </span><span class="CommentedCode">//? cerr << "inst: 0x" << EIP << " => ";</span> +<span id="L152" class="LineNr">152 </span> op = <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">();</span> +<span id="L153" class="LineNr">153 </span><span class="CommentedCode">//? cerr << HEXBYTE << NUM(op) << '\n';</span> +<span id="L154" class="LineNr">154 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>op<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L155" class="LineNr">155 </span> <span class="Normal">case</span> <span class="Constant">0xf4</span>: <span class="Comment">// hlt</span> +<span id="L156" class="LineNr">156 </span> <a href='010vm.cc.html#L29'>EIP</a> = <a href='010vm.cc.html#L95'>End_of_program</a><span class="Delimiter">;</span> +<span id="L157" class="LineNr">157 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L158" class="LineNr">158 </span> <span class="Comment">// End Single-Byte Opcodes</span> +<span id="L159" class="LineNr">159 </span> <span class="Normal">case</span> <span class="Constant">0x0f</span>: +<span id="L160" class="LineNr">160 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op2 = <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L161" class="LineNr">161 </span> <span class="Comment">// End Two-Byte Opcodes Starting With 0f</span> +<span id="L162" class="LineNr">162 </span> <span class="Normal">default</span>: +<span id="L163" class="LineNr">163 </span> cerr << <span class="Constant">"unrecognized second opcode after 0f: "</span> << <a href='010vm.cc.html#L238'>HEXBYTE</a> << <a href='010vm.cc.html#L241'>NUM</a><span class="Delimiter">(</span>op2<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L164" class="LineNr">164 </span> <a href='003trace.cc.html#L194'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> +<span id="L165" class="LineNr">165 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L166" class="LineNr">166 </span> <span class="Delimiter">}</span> +<span id="L167" class="LineNr">167 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L168" class="LineNr">168 </span> <span class="Normal">case</span> <span class="Constant">0xf3</span>: +<span id="L169" class="LineNr">169 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op2 = <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L170" class="LineNr">170 </span> <span class="Comment">// End Two-Byte Opcodes Starting With f3</span> +<span id="L171" class="LineNr">171 </span> <span class="Normal">case</span> <span class="Constant">0x0f</span>: +<span id="L172" class="LineNr">172 </span> <span class="Normal">switch</span><span class="Delimiter">(</span>op3 = <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L173" class="LineNr">173 </span> <span class="Comment">// End Three-Byte Opcodes Starting With f3 0f</span> +<span id="L174" class="LineNr">174 </span> <span class="Normal">default</span>: +<span id="L175" class="LineNr">175 </span> cerr << <span class="Constant">"unrecognized third opcode after f3 0f: "</span> << <a href='010vm.cc.html#L238'>HEXBYTE</a> << <a href='010vm.cc.html#L241'>NUM</a><span class="Delimiter">(</span>op3<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L176" class="LineNr">176 </span> <a href='003trace.cc.html#L194'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> +<span id="L177" class="LineNr">177 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L178" class="LineNr">178 </span> <span class="Delimiter">}</span> +<span id="L179" class="LineNr">179 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L180" class="LineNr">180 </span> <span class="Normal">default</span>: +<span id="L181" class="LineNr">181 </span> cerr << <span class="Constant">"unrecognized second opcode after f3: "</span> << <a href='010vm.cc.html#L238'>HEXBYTE</a> << <a href='010vm.cc.html#L241'>NUM</a><span class="Delimiter">(</span>op2<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L182" class="LineNr">182 </span> <a href='003trace.cc.html#L194'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> +<span id="L183" class="LineNr">183 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L184" class="LineNr">184 </span> <span class="Delimiter">}</span> +<span id="L185" class="LineNr">185 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L186" class="LineNr">186 </span> <span class="Normal">default</span>: +<span id="L187" class="LineNr">187 </span> cerr << <span class="Constant">"unrecognized opcode: "</span> << <a href='010vm.cc.html#L238'>HEXBYTE</a> << <a href='010vm.cc.html#L241'>NUM</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L188" class="LineNr">188 </span> <a href='003trace.cc.html#L194'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> +<span id="L189" class="LineNr">189 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L190" class="LineNr">190 </span> <span class="Delimiter">}</span> +<span id="L191" class="LineNr">191 </span><span class="Delimiter">}</span> +<span id="L192" class="LineNr">192 </span> +<span id="L193" class="LineNr">193 </span><span class="Normal">inline</span> <span class="Normal">uint8_t</span> <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L194" class="LineNr">194 </span> <span class="Identifier">return</span> <a href='010vm.cc.html#L104'>read_mem_u8</a><span class="Delimiter">(</span>EIP++<span class="Delimiter">);</span> +<span id="L195" class="LineNr">195 </span><span class="Delimiter">}</span> +<span id="L196" class="LineNr">196 </span> +<span id="L197" class="LineNr">197 </span><span class="Normal">void</span> <a href='010vm.cc.html#L197'>dump_registers</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L198" class="LineNr">198 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='010vm.cc.html#L21'>NUM_INT_REGISTERS</a><span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L199" class="LineNr">199 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> cerr << <span class="Constant">"; "</span><span class="Delimiter">;</span> +<span id="L200" class="LineNr">200 </span> cerr << <span class="Constant">" "</span> << i << <span class="Constant">": "</span> << std::hex << std::setw<span class="Delimiter">(</span><span class="Constant">8</span><span class="Delimiter">)</span> << std::setfill<span class="Delimiter">(</span><span class="Constant">'_'</span><span class="Delimiter">)</span> << Reg[i]<span class="Delimiter">.</span>u<span class="Delimiter">;</span> +<span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span> +<span id="L202" class="LineNr">202 </span> cerr << <span class="Constant">" -- SF: "</span> << SF << <span class="Constant">"; ZF: "</span> << ZF << <span class="Constant">"; <a href='010vm.cc.html#L59'>OF</a>: "</span> << <a href='010vm.cc.html#L59'>OF</a> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L203" class="LineNr">203 </span><span class="Delimiter">}</span> +<span id="L204" class="LineNr">204 </span> +<span id="L205" class="LineNr">205 </span><span class="Comment">//: start tracking supported opcodes</span> +<span id="L206" class="LineNr">206 </span><span class="Delimiter">:(before "End Globals")</span> +<span id="L207" class="LineNr">207 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L207'>name</a><span class="Delimiter">;</span> +<span id="L208" class="LineNr">208 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L208'>name_0f</a><span class="Delimiter">;</span> +<span id="L209" class="LineNr">209 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L209'>name_f3</a><span class="Delimiter">;</span> +<span id="L210" class="LineNr">210 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> string> <a href='010vm.cc.html#L210'>name_f3_0f</a><span class="Delimiter">;</span> +<span id="L211" class="LineNr">211 </span><span class="Delimiter">:(before "End One-time Setup")</span> +<span id="L212" class="LineNr">212 </span><a href='010vm.cc.html#L214'>init_op_names</a><span class="Delimiter">();</span> +<span id="L213" class="LineNr">213 </span><span class="Delimiter">:(code)</span> +<span id="L214" class="LineNr">214 </span><span class="Normal">void</span> <a href='010vm.cc.html#L214'>init_op_names</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L215" class="LineNr">215 </span> <a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010vm.cc.html#L207'>name</a><span class="Delimiter">,</span> <span class="Constant">"f4"</span><span class="Delimiter">,</span> <span class="Constant">"halt"</span><span class="Delimiter">);</span> +<span id="L216" class="LineNr">216 </span> <span class="Comment">// End Initialize Op Names(name)</span> +<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span> +<span id="L218" class="LineNr">218 </span> +<span id="L219" class="LineNr">219 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Special-cases(key)")</span> +<span id="L220" class="LineNr">220 </span><span class="Normal">if</span> <span class="Delimiter">(</span>key == <span class="Constant">"opcodes"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L221" class="LineNr">221 </span> cerr << <span class="Constant">"Opcodes currently supported by SubX:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> +<span id="L222" class="LineNr">222 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L207'>name</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L207'>name</a><span class="Delimiter">.</span><a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> +<span id="L223" class="LineNr">223 </span> cerr << <span class="Constant">" "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L224" class="LineNr">224 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L208'>name_0f</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L208'>name_0f</a><span class="Delimiter">.</span><a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> +<span id="L225" class="LineNr">225 </span> cerr << <span class="Constant">" 0f "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L226" class="LineNr">226 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L209'>name_f3</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L209'>name_f3</a><span class="Delimiter">.</span><a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> +<span id="L227" class="LineNr">227 </span> cerr << <span class="Constant">" f3 "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L228" class="LineNr">228 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <a href='010vm.cc.html#L210'>name_f3_0f</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='010vm.cc.html#L210'>name_f3_0f</a><span class="Delimiter">.</span><a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> +<span id="L229" class="LineNr">229 </span> cerr << <span class="Constant">" f3 0f "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L230" class="LineNr">230 </span> cerr << <span class="Constant">"Run `subx help instructions` for details on <a href='011run.cc.html#L111'>words</a> like 'r32' and 'disp8'.</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> +<span id="L231" class="LineNr">231 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span> +<span id="L233" class="LineNr">233 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Contents")</span> +<span id="L234" class="LineNr">234 </span>cerr << <span class="Constant">" opcodes</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> +<span id="L235" class="LineNr">235 </span> +<span id="L236" class="LineNr">236 </span><span class="Delimiter">:(before "End Includes")</span> +<span id="L237" class="LineNr">237 </span><span class="Comment">#include <iomanip></span> +<span id="L238" class="LineNr">238 </span><span class="Comment">#define HEXBYTE std::hex << std::setw(2) << std::setfill('0')</span> +<span id="L239" class="LineNr">239 </span><span class="Comment">#define HEXWORD std::hex << std::setw(8) << std::setfill('0')</span> +<span id="L240" class="LineNr">240 </span><span class="Comment">// ugly that iostream doesn't print uint8_t as an integer</span> +<span id="L241" class="LineNr">241 </span><span class="Comment">#define NUM(X) static_cast<int>(X)</span> +<span id="L242" class="LineNr">242 </span><span class="Comment">#include <stdint.h></span> </pre> </body> </html> |