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project64/Source/Project64/N64 System/C Core/r4300i Commands.cpp

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/****************************************************************************
* *
* 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"
#define FPR_Type(Reg) (Reg) == R4300i_COP1_S ? "S" : (Reg) == R4300i_COP1_D ? "D" :\
(Reg) == R4300i_COP1_W ? "W" : "L"
BOOL InR4300iCommandsWindow = FALSE;
char CommandName[100];
void SetR4300iCommandToStepping ( void )
{
}
void SetR4300iCommandViewto ( UINT /*NewLocation*/ )
{
}
void __cdecl Enter_R4300i_Commands_Window ( void )
{
}
char strLabelName[100];
char * LabelName (DWORD Address)
{
sprintf(strLabelName,"0x%08X",Address);
return strLabelName;
}
char * R4300iSpecialName ( DWORD OpCode, DWORD /*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 ( DWORD OpCode, DWORD 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 ( DWORD OpCode, DWORD 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;
}
char * R4300iOpcodeName ( DWORD OpCode, DWORD 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;
}
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