Merge pull request #513 from cxd4/in_ur_codez_disassembling_ur_ops
Document the RSP op-code matrices + static disassembler debugger code.
This commit is contained in:
zilmar
commit
4b1ff1983f
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@ -793,6 +793,69 @@ void RSP_Commands_Setup ( HWND hDlg )
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SetWindowPos(hDlg,NULL,X,Y,WindowWidth,WindowHeight, SWP_NOZORDER | SWP_SHOWWINDOW);
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}
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static const char unused_op[] = "invalid";
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static const char* mnemonics_primary[8 << 3] = {
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"SPECIAL","REGIMM" ,"J" ,"JAL" ,"BEQ" ,"BNE" ,"BLEZ" ,"BGTZ" ,
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"ADDI" ,"ADDIU" ,"SLTI" ,"SLTIU" ,"ANDI" ,"ORI" ,"XORI" ,"LUI" ,
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"COP0" ,unused_op,"COP2" ,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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"LB" ,"LH" ,unused_op,"LW" ,"LBU" ,"LHU" ,unused_op,unused_op,
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"SB" ,"SH" ,unused_op,"SW" ,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,"LWC2" ,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,"SWC2" ,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_special[8 << 3] = {
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"SLL" ,unused_op,"SRL" ,"SRA" ,"SLLV" ,unused_op,"SRLV" ,"SRAV" ,
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"JR" ,"JALR" ,unused_op,unused_op,unused_op,"BREAK" ,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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"ADD" ,"ADDU" ,"SUB" ,"SUBU" ,"AND" ,"OR" ,"XOR" ,"NOR" ,
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unused_op,unused_op,"SLT" ,"SLTU" ,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_regimm[8 << 2] = {
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"BLTZ" ,"BGEZ" ,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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"BLTZAL" ,"BGEZAL" ,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_cop0[8 << 2] = {
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"MFC0" ,unused_op,unused_op,unused_op,"MTC0" ,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_cop2[8 << 2] = {
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"MFC2" ,unused_op,"CFC2" ,unused_op,"MTC2" ,unused_op,"CTC2" ,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,
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"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,"C2" ,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_vector[8 << 3] = {
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"VMULF" ,"VMULU" ,unused_op,unused_op,"VMUDL" ,"VMUDM" ,"VMUDN" ,"VMUDH" ,
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"VMACF" ,"VMACU" ,unused_op,"VMACQ" ,"VMADL" ,"VMADM" ,"VMADN" ,"VMADH" ,
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"VADD" ,"VSUB" ,unused_op,"VABS" ,"VADDC" ,"VSUBC" ,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,"VSAW" ,unused_op,unused_op,
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"VLT" ,"VEQ" ,"VNE" ,"VGE" ,"VCL" ,"VCH" ,"VCR" ,"VMRG" ,
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"VAND" ,"VNAND" ,"VOR" ,"VNOR" ,"VXOR" ,"VNXOR" ,unused_op,unused_op,
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"VRCP" ,"VRCPL" ,"VRCPH" ,"VMOV" ,"VRSQ" ,"VRSQL" ,"VRSQH" ,"VNOP" ,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_lwc2[8 << 2] = {
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"LBV" ,"LSV" ,"LLV" ,"LDV" ,"LQV" ,"LRV" ,"LPV" ,"LUV" ,
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"LHV" ,"LFV" ,unused_op,"LTV" ,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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static const char* mnemonics_swc2[8 << 2] = {
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"SBV" ,"SSV" ,"SLV" ,"SDV" ,"SQV" ,"SRV" ,"SPV" ,"SUV" ,
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"SHV" ,"SFV" ,"SWV" ,"STV" ,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,unused_op,
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};/* 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 */
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char * RSPSpecialName ( DWORD OpCode, DWORD PC )
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{
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OPCODE command;
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@ -893,35 +956,35 @@ char * RSPRegimmName ( DWORD OpCode, DWORD PC )
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{
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OPCODE command;
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command.Hex = OpCode;
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switch (command.rt)
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if (strcmp(mnemonics_regimm[command.rt], unused_op) == 0)
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{
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case RSP_REGIMM_BLTZ:
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sprintf(CommandName,"BLTZ\t%s, 0x%03X",GPR_Name(command.rs),
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(PC + ((short)command.offset << 2) + 4) & 0xFFC);
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break;
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case RSP_REGIMM_BGEZ:
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sprintf(CommandName,"BGEZ\t%s, 0x%03X",GPR_Name(command.rs),
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(PC + ((short)command.offset << 2) + 4) & 0xFFC);
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break;
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case RSP_REGIMM_BLTZAL:
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sprintf(CommandName,"BLTZAL\t%s, 0x%03X",GPR_Name(command.rs),
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(PC + ((short)command.offset << 2) + 4) & 0xFFC);
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break;
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case RSP_REGIMM_BGEZAL:
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if (command.rs == 0)
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{
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sprintf(CommandName,"BAL\t0x%03X",(PC + ((short)command.offset << 2) + 4) & 0xFFC);
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}
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else
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{
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sprintf(CommandName,"BGEZAL\t%s, 0x%03X",GPR_Name(command.rs),
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(PC + ((short)command.offset << 2) + 4) & 0xFFC);
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}
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break;
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default:
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sprintf(CommandName,"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]);
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sprintf(
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CommandName,
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"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],
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command.Ascii[2],
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command.Ascii[1],
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command.Ascii[0]
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);
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}
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else if (command.rt == RSP_REGIMM_BGEZAL && command.rs == 0)
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{ /* MIPS pseudo-instruction: BAL (Branch and Link) */
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sprintf(
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CommandName,
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"BAL\t0x%03X",
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(PC + ((short)command.offset << 2) + 4) & 0xFFC
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);
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}
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else
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{
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sprintf(
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CommandName,
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"%s\t%s, 0x%03X",
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mnemonics_regimm[command.rt],
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GPR_Name(command.rs),
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(PC + ((short)command.offset << 2) + 4) & 0xFFC
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);
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}
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return CommandName;
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}
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@ -933,17 +996,26 @@ char * RSPCop0Name ( DWORD OpCode, DWORD PC )
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PC = PC; // unused
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switch (command.rs)
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if (strcmp(mnemonics_cop0[command.rs], unused_op) == 0)
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{
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case RSP_COP0_MF:
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sprintf(CommandName,"MFC0\t%s, %s",GPR_Name(command.rt),COP0_Name(command.rd));
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break;
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case RSP_COP0_MT:
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sprintf(CommandName,"MTC0\t%s, %s",GPR_Name(command.rt),COP0_Name(command.rd));
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break;
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default:
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sprintf(CommandName,"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]);
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sprintf(
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CommandName,
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"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],
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command.Ascii[2],
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command.Ascii[1],
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command.Ascii[0]
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);
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}
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else
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{
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sprintf(
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CommandName,
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"%s\t%s, %s",
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mnemonics_cop0[command.rs],
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GPR_Name(command.rt),
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COP0_Name(command.rd)
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);
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}
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return CommandName;
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}
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@ -1174,59 +1246,28 @@ char * RSPLc2Name ( DWORD OpCode, DWORD PC )
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PC = PC; // unused
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switch (command.rd)
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if (strcmp(mnemonics_lwc2[command.rd], unused_op) == 0)
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{
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case RSP_LSC2_BV:
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sprintf(CommandName,"LBV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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command.voffset, GPR_Name(command.base));
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break;
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case RSP_LSC2_SV:
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sprintf(CommandName,"LSV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 1), GPR_Name(command.base));
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break;
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case RSP_LSC2_LV:
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sprintf(CommandName,"LLV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 2), GPR_Name(command.base));
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break;
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case RSP_LSC2_DV:
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sprintf(CommandName,"LDV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_QV:
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sprintf(CommandName,"LQV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_RV:
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sprintf(CommandName,"LRV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_PV:
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sprintf(CommandName,"LPV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_UV:
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sprintf(CommandName,"LUV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_HV:
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sprintf(CommandName,"LHV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_FV:
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sprintf(CommandName,"LFV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_WV:
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sprintf(CommandName,"LWV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_TV:
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sprintf(CommandName,"LTV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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default:
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sprintf(CommandName,"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]);
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sprintf(
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CommandName,
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"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],
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command.Ascii[2],
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command.Ascii[1],
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command.Ascii[0]
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);
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}
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else
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{
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sprintf(
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CommandName,
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"%s\t$v%d[%d], 0x%04X(%s)",
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mnemonics_lwc2[command.rd],
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command.rt,
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command.del,
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command.voffset,
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GPR_Name(command.base)
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);
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}
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return CommandName;
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}
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@ -1238,59 +1279,28 @@ char * RSPSc2Name ( DWORD OpCode, DWORD PC )
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PC = PC; // unused
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switch (command.rd)
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if (strcmp(mnemonics_swc2[command.rd], unused_op) == 0)
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{
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case RSP_LSC2_BV:
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sprintf(CommandName,"SBV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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command.voffset, GPR_Name(command.base));
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break;
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case RSP_LSC2_SV:
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sprintf(CommandName,"SSV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 1), GPR_Name(command.base));
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break;
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case RSP_LSC2_LV:
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sprintf(CommandName,"SLV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 2), GPR_Name(command.base));
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break;
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case RSP_LSC2_DV:
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sprintf(CommandName,"SDV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_QV:
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sprintf(CommandName,"SQV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_RV:
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sprintf(CommandName,"SRV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_PV:
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sprintf(CommandName,"SPV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_UV:
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sprintf(CommandName,"SUV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 3), GPR_Name(command.base));
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break;
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case RSP_LSC2_HV:
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sprintf(CommandName,"SHV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_FV:
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sprintf(CommandName,"SFV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_WV:
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sprintf(CommandName,"SWV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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case RSP_LSC2_TV:
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sprintf(CommandName,"STV\t$v%d [%d], 0x%04X (%s)",command.rt, command.del,
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(command.voffset << 4), GPR_Name(command.base));
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break;
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default:
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sprintf(CommandName,"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]);
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sprintf(
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CommandName,
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"RSP: Unknown\t%02X %02X %02X %02X",
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command.Ascii[3],
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command.Ascii[2],
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command.Ascii[1],
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command.Ascii[0]
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);
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}
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else
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{
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sprintf(
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CommandName,
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"%s\t$v%d[%d], 0x%04X(%s)",
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mnemonics_swc2[command.rd],
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command.rt,
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command.del,
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command.voffset,
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GPR_Name(command.base)
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);
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}
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return CommandName;
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}
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