/**************************************************************************** * * * Project64 - A Nintendo 64 emulator. * * http://www.pj64-emu.com/ * * Copyright (C) 2012 Project64. All rights reserved. * * * * License: * * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html * * * ****************************************************************************/ #include "stdafx.h" #include #include "OpCode.h" #include "RegisterClass.h" #define FPR_Type(Reg) (Reg) == R4300i_COP1_S ? "S" : (Reg) == R4300i_COP1_D ? "D" :\ (Reg) == R4300i_COP1_W ? "W" : "L" char CommandName[100]; char * LabelName (uint32_t Address) { static char strLabelName[100]; sprintf(strLabelName,"0x%08X",Address); return strLabelName; } char * R4300iSpecialName ( uint32_t OpCode, uint32_t /*PC*/ ) { OPCODE command; command.Hex = OpCode; switch (command.funct) { case R4300i_SPECIAL_SLL: if (command.Hex != 0) { sprintf(CommandName,"sll\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); } else { sprintf(CommandName,"nop"); } break; case R4300i_SPECIAL_SRL: sprintf(CommandName,"srl\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_SRA: sprintf(CommandName,"sra\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_SLLV: sprintf(CommandName,"sllv\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_SRLV: sprintf(CommandName,"srlv\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_SRAV: sprintf(CommandName,"srav\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_JR: sprintf(CommandName,"jr\t%s",CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_JALR: sprintf(CommandName,"jalr\t%s, %s",CRegName::GPR[command.rd],CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_SYSCALL: sprintf(CommandName,"system call"); break; case R4300i_SPECIAL_BREAK: sprintf(CommandName,"break"); break; case R4300i_SPECIAL_SYNC: sprintf(CommandName,"sync"); break; case R4300i_SPECIAL_MFHI: sprintf(CommandName,"mfhi\t%s",CRegName::GPR[command.rd]); break; case R4300i_SPECIAL_MTHI: sprintf(CommandName,"mthi\t%s",CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_MFLO: sprintf(CommandName,"mflo\t%s",CRegName::GPR[command.rd]); break; case R4300i_SPECIAL_MTLO: sprintf(CommandName,"mtlo\t%s",CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_DSLLV: sprintf(CommandName,"dsllv\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_DSRLV: sprintf(CommandName,"dsrlv\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_DSRAV: sprintf(CommandName,"dsrav\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rt], CRegName::GPR[command.rs]); break; case R4300i_SPECIAL_MULT: sprintf(CommandName,"mult\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_MULTU: sprintf(CommandName,"multu\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DIV: sprintf(CommandName,"div\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DIVU: sprintf(CommandName,"divu\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DMULT: sprintf(CommandName,"dmult\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DMULTU: sprintf(CommandName,"dmultu\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DDIV: sprintf(CommandName,"ddiv\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DDIVU: sprintf(CommandName,"ddivu\t%s, %s",CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_ADD: sprintf(CommandName,"add\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_ADDU: sprintf(CommandName,"addu\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_SUB: sprintf(CommandName,"sub\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_SUBU: sprintf(CommandName,"subu\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_AND: sprintf(CommandName,"and\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_OR: sprintf(CommandName,"or\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_XOR: sprintf(CommandName,"xor\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_NOR: sprintf(CommandName,"nor\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_SLT: sprintf(CommandName,"slt\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_SLTU: sprintf(CommandName,"sltu\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DADD: sprintf(CommandName,"dadd\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DADDU: sprintf(CommandName,"daddu\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DSUB: sprintf(CommandName,"dsub\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DSUBU: sprintf(CommandName,"dsubu\t%s, %s, %s",CRegName::GPR[command.rd], CRegName::GPR[command.rs], CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TGE: sprintf(CommandName,"tge\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TGEU: sprintf(CommandName,"tgeu\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TLT: sprintf(CommandName,"tlt\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TLTU: sprintf(CommandName,"tltu\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TEQ: sprintf(CommandName,"teq\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_TNE: sprintf(CommandName,"tne\t%s, %s",CRegName::GPR[command.rs],CRegName::GPR[command.rt]); break; case R4300i_SPECIAL_DSLL: sprintf(CommandName,"dsll\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_DSRL: sprintf(CommandName,"dsrl\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_DSRA: sprintf(CommandName,"dsra\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_DSLL32: sprintf(CommandName,"dsll32\t%s, %s, 0x%X",CRegName::GPR[command.rd],CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_DSRL32: sprintf(CommandName,"dsrl32\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; case R4300i_SPECIAL_DSRA32: sprintf(CommandName,"dsra32\t%s, %s, 0x%X",CRegName::GPR[command.rd], CRegName::GPR[command.rt], command.sa); break; default: sprintf(CommandName,"Unknown\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } return CommandName; } char * R4300iRegImmName ( uint32_t OpCode, uint32_t PC ) { OPCODE command; command.Hex = OpCode; switch (command.rt) { case R4300i_REGIMM_BLTZ: sprintf(CommandName,"bltz\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_REGIMM_BGEZ: if (command.rs == 0) { sprintf(CommandName,"b\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"bgez\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_REGIMM_BLTZL: sprintf(CommandName,"bltzl\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_REGIMM_BGEZL: sprintf(CommandName,"bgezl\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_REGIMM_TGEI: sprintf(CommandName,"tgei\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_TGEIU: sprintf(CommandName,"tgeiu\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_TLTI: sprintf(CommandName,"tlti\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_TLTIU: sprintf(CommandName,"tltiu\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_TEQI: sprintf(CommandName,"teqi\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_TNEI: sprintf(CommandName,"tnei\t%s, 0x%X",CRegName::GPR[command.rs],command.immediate); break; case R4300i_REGIMM_BLTZAL: sprintf(CommandName,"bltzal\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_REGIMM_BGEZAL: if (command.rs == 0) { sprintf(CommandName,"bal\t%s",LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"bgezal\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_REGIMM_BLTZALL: sprintf(CommandName,"bltzall\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_REGIMM_BGEZALL: sprintf(CommandName,"bgezall\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; default: sprintf(CommandName,"Unknown\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } return CommandName; } char * R4300iCop1Name ( uint32_t OpCode, uint32_t PC ) { OPCODE command; command.Hex = OpCode; switch (command.fmt) { case R4300i_COP1_MF: sprintf(CommandName,"mfc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR[command.fs]); break; case R4300i_COP1_DMF: sprintf(CommandName,"dmfc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR[command.fs]); break; case R4300i_COP1_CF: sprintf(CommandName,"cfc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR_Ctrl[command.fs]); break; case R4300i_COP1_MT: sprintf(CommandName,"mtc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR[command.fs]); break; case R4300i_COP1_DMT: sprintf(CommandName,"dmtc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR[command.fs]); break; case R4300i_COP1_CT: sprintf(CommandName,"ctc1\t%s, %s",CRegName::GPR[command.rt], CRegName::FPR_Ctrl[command.fs]); break; case R4300i_COP1_BC: switch (command.ft) { case R4300i_COP1_BC_BCF: sprintf(CommandName,"BC1F\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_COP1_BC_BCT: sprintf(CommandName,"BC1T\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_COP1_BC_BCFL: sprintf(CommandName,"BC1FL\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_COP1_BC_BCTL: sprintf(CommandName,"BC1TL\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); break; default: sprintf(CommandName,"Unknown Cop1\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } break; case R4300i_COP1_S: case R4300i_COP1_D: case R4300i_COP1_W: case R4300i_COP1_L: switch (command.funct) { case R4300i_COP1_FUNCT_ADD: sprintf(CommandName,"ADD.%s\t%s, %s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_SUB: sprintf(CommandName,"SUB.%s\t%s, %s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_MUL: sprintf(CommandName,"MUL.%s\t%s, %s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_DIV: sprintf(CommandName,"DIV.%s\t%s, %s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_SQRT: sprintf(CommandName,"SQRT.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_ABS: sprintf(CommandName,"ABS.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_MOV: sprintf(CommandName,"MOV.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_NEG: sprintf(CommandName,"NEG.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_ROUND_L: sprintf(CommandName,"ROUND.L.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_TRUNC_L: sprintf(CommandName,"TRUNC.L.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CEIL_L: sprintf(CommandName,"CEIL.L.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_FLOOR_L: sprintf(CommandName,"FLOOR.L.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_ROUND_W: sprintf(CommandName,"ROUND.W.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_TRUNC_W: sprintf(CommandName,"TRUNC.W.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CEIL_W: sprintf(CommandName,"CEIL.W.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_FLOOR_W: sprintf(CommandName,"FLOOR.W.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CVT_S: sprintf(CommandName,"CVT.S.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CVT_D: sprintf(CommandName,"CVT.D.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CVT_W: sprintf(CommandName,"CVT.W.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_CVT_L: sprintf(CommandName,"CVT.L.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fd], CRegName::FPR[command.fs]); break; case R4300i_COP1_FUNCT_C_F: sprintf(CommandName,"C.F.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_UN: sprintf(CommandName,"C.UN.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_EQ: sprintf(CommandName,"C.EQ.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_UEQ: sprintf(CommandName,"C.UEQ.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_OLT: sprintf(CommandName,"C.OLT.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_ULT: sprintf(CommandName,"C.ULT.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_OLE: sprintf(CommandName,"C.OLE.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_ULE: sprintf(CommandName,"C.ULE.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_SF: sprintf(CommandName,"C.SF.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_NGLE: sprintf(CommandName,"C.NGLE.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_SEQ: sprintf(CommandName,"C.SEQ.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_NGL: sprintf(CommandName,"C.NGL.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_LT: sprintf(CommandName,"C.LT.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_NGE: sprintf(CommandName,"C.NGE.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_LE: sprintf(CommandName,"C.LE.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; case R4300i_COP1_FUNCT_C_NGT: sprintf(CommandName,"C.NGT.%s\t%s, %s",FPR_Type(command.fmt), CRegName::FPR[command.fs], CRegName::FPR[command.ft]); break; default: sprintf(CommandName,"Unknown Cop1\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } break; default: sprintf(CommandName,"Unknown Cop1\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } return CommandName; } const char * R4300iOpcodeName(uint32_t OpCode, uint32_t PC) { OPCODE command; command.Hex = OpCode; switch (command.op) { case R4300i_SPECIAL: return R4300iSpecialName ( OpCode, PC ); break; case R4300i_REGIMM: return R4300iRegImmName ( OpCode, PC ); break; case R4300i_J: sprintf(CommandName,"j\t%s",LabelName((PC & 0xF0000000) + (command.target << 2))); break; case R4300i_JAL: sprintf(CommandName,"jal\t%s",LabelName((PC & 0xF0000000) + (command.target << 2))); break; case R4300i_BEQ: if (command.rs == 0 && command.rt == 0) { sprintf(CommandName,"b\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); } else if (command.rs == 0 || command.rt == 0) { sprintf(CommandName,"beqz\t%s, %s", CRegName::GPR[command.rs == 0 ? command.rt : command.rs ], LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"beq\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_BNE: if ((command.rs == 0) ^ (command.rt == 0)) { sprintf(CommandName,"bnez\t%s, %s", CRegName::GPR[command.rs == 0 ? command.rt : command.rs ], LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"bne\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_BLEZ: sprintf(CommandName,"blez\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_BGTZ: sprintf(CommandName,"bgtz\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_ADDI: sprintf(CommandName,"addi\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_ADDIU: sprintf(CommandName,"addiu\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_SLTI: sprintf(CommandName,"slti\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_SLTIU: sprintf(CommandName,"sltiu\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_ANDI: sprintf(CommandName,"andi\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_ORI: sprintf(CommandName,"ori\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_XORI: sprintf(CommandName,"xori\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_LUI: sprintf(CommandName,"lui\t%s, 0x%X",CRegName::GPR[command.rt], command.immediate); break; case R4300i_CP0: switch (command.rs) { case R4300i_COP0_MF: sprintf(CommandName,"mfc0\t%s, %s",CRegName::GPR[command.rt], CRegName::Cop0[command.rd]); break; case R4300i_COP0_MT: sprintf(CommandName,"mtc0\t%s, %s",CRegName::GPR[command.rt], CRegName::Cop0[command.rd]); break; default: if ( (command.rs & 0x10 ) != 0 ) { switch ( command.funct ) { case R4300i_COP0_CO_TLBR: sprintf(CommandName,"tlbr"); break; case R4300i_COP0_CO_TLBWI: sprintf(CommandName,"tlbwi"); break; case R4300i_COP0_CO_TLBWR: sprintf(CommandName,"tlbwr"); break; case R4300i_COP0_CO_TLBP: sprintf(CommandName,"tlbp"); break; case R4300i_COP0_CO_ERET: sprintf(CommandName,"eret"); break; default: sprintf(CommandName,"Unknown\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } } else { sprintf(CommandName,"Unknown\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } break; } break; case R4300i_CP1: return R4300iCop1Name ( OpCode, PC ); case R4300i_BEQL: if (command.rs == command.rt) { sprintf(CommandName,"b\t%s", LabelName(PC + ((short)command.offset << 2) + 4)); } else if ((command.rs == 0) ^ (command.rt == 0)) { sprintf(CommandName,"beqzl\t%s, %s", CRegName::GPR[command.rs == 0 ? command.rt : command.rs ], LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"beql\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_BNEL: if ((command.rs == 0) ^ (command.rt == 0)) { sprintf(CommandName,"bnezl\t%s, %s", CRegName::GPR[command.rs == 0 ? command.rt : command.rs ], LabelName(PC + ((short)command.offset << 2) + 4)); } else { sprintf(CommandName,"bnel\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt], LabelName(PC + ((short)command.offset << 2) + 4)); } break; case R4300i_BLEZL: sprintf(CommandName,"blezl\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_BGTZL: sprintf(CommandName,"bgtzl\t%s, %s",CRegName::GPR[command.rs], LabelName(PC + ((short)command.offset << 2) + 4)); break; case R4300i_DADDI: sprintf(CommandName,"daddi\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_DADDIU: sprintf(CommandName,"daddiu\t%s, %s, 0x%X",CRegName::GPR[command.rt], CRegName::GPR[command.rs],command.immediate); break; case R4300i_LDL: sprintf(CommandName,"ldl\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LDR: sprintf(CommandName,"ldr\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LB: sprintf(CommandName,"lb\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LH: sprintf(CommandName,"lh\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LWL: sprintf(CommandName,"lwl\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LW: sprintf(CommandName,"lw\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LBU: sprintf(CommandName,"lbu\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LHU: sprintf(CommandName,"lhu\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LWR: sprintf(CommandName,"lwr\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LWU: sprintf(CommandName,"lwu\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SB: sprintf(CommandName,"sb\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SH: sprintf(CommandName,"sh\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SWL: sprintf(CommandName,"swl\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SW: sprintf(CommandName,"sw\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SDL: sprintf(CommandName,"sdl\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SDR: sprintf(CommandName,"sdr\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SWR: sprintf(CommandName,"swr\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_CACHE: sprintf(CommandName,"cache\t%d, 0x%X (%s)",command.rt, command.offset, CRegName::GPR[command.base]); break; case R4300i_LL: sprintf(CommandName,"ll\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LWC1: sprintf(CommandName,"lwc1\t%s, 0x%X (%s)",CRegName::FPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LDC1: sprintf(CommandName,"ldc1\t%s, 0x%X (%s)",CRegName::FPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_LD: sprintf(CommandName,"ld\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SC: sprintf(CommandName,"sc\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SWC1: sprintf(CommandName,"swc1\t%s, 0x%X (%s)",CRegName::FPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SDC1: sprintf(CommandName,"sdc1\t%s, 0x%X (%s)",CRegName::FPR[command.rt], command.offset, CRegName::GPR[command.base]); break; case R4300i_SD: sprintf(CommandName,"sd\t%s, 0x%X (%s)",CRegName::GPR[command.rt], command.offset, CRegName::GPR[command.base]); break; default: sprintf(CommandName,"Unknown\t%02X %02X %02X %02X", command.Ascii[3],command.Ascii[2],command.Ascii[1],command.Ascii[0]); } return CommandName; }