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project64/Source/Project64-core/N64System/Mips/OpcodeName.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"
#include <stdio.h>
#include "OpCode.h"
#include <Project64-core/N64System/Mips/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];
static const char * LabelName(uint32_t Address)
{
static char strLabelName[100];
sprintf(strLabelName, "0x%08X", Address);
return strLabelName;
}
static const 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;
}
static const 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 + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_REGIMM_BGEZ:
if (command.rs == 0)
{
sprintf(CommandName, "b\t%s", LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "bgez\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
break;
case R4300i_REGIMM_BLTZL:
sprintf(CommandName, "bltzl\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_REGIMM_BGEZL:
sprintf(CommandName, "bgezl\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)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 + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_REGIMM_BGEZAL:
if (command.rs == 0)
{
sprintf(CommandName, "bal\t%s", LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "bgezal\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
break;
case R4300i_REGIMM_BLTZALL:
sprintf(CommandName, "bltzall\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_REGIMM_BGEZALL:
sprintf(CommandName, "bgezall\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)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;
}
static const 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 + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_COP1_BC_BCT:
sprintf(CommandName, "BC1T\t%s", LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_COP1_BC_BCFL:
sprintf(CommandName, "BC1FL\t%s", LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_COP1_BC_BCTL:
sprintf(CommandName, "BC1TL\t%s", LabelName(PC + ((int16_t)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 + ((int16_t)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 + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "beq\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt],
LabelName(PC + ((int16_t)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 + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "bne\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt],
LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
break;
case R4300i_BLEZ:
sprintf(CommandName, "blez\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_BGTZ:
sprintf(CommandName, "bgtz\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)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 + ((int16_t)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 + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "beql\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt],
LabelName(PC + ((int16_t)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 + ((int16_t)command.offset << 2) + 4));
}
else
{
sprintf(CommandName, "bnel\t%s, %s, %s", CRegName::GPR[command.rs], CRegName::GPR[command.rt],
LabelName(PC + ((int16_t)command.offset << 2) + 4));
}
break;
case R4300i_BLEZL:
sprintf(CommandName, "blezl\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)command.offset << 2) + 4));
break;
case R4300i_BGTZL:
sprintf(CommandName, "bgtzl\t%s, %s", CRegName::GPR[command.rs], LabelName(PC + ((int16_t)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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