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project64/Source/Project64/N64 System/Mips/OpCode Analysis Class.cpp

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#include "..\..\N64 System.h"
extern CLog TlbLog;
COpcodeAnalysis::COpcodeAnalysis(OPCODE &opcode) :
m_opcode(opcode)
{
}
bool COpcodeAnalysis::DelaySlotEffectsCompare (DWORD Reg1, DWORD Reg2) {
COpcode DelayOp(m_opcode.VirtualAddress + 4);
switch (DelayOp.m_opcode.op) {
case R4300i_SPECIAL:
switch (DelayOp.m_opcode.funct) {
case R4300i_SPECIAL_SLL: case R4300i_SPECIAL_SRL: case R4300i_SPECIAL_SRA:
case R4300i_SPECIAL_SLLV: case R4300i_SPECIAL_SRLV: case R4300i_SPECIAL_SRAV:
case R4300i_SPECIAL_MFHI: case R4300i_SPECIAL_MTHI: case R4300i_SPECIAL_MFLO:
case R4300i_SPECIAL_MTLO: case R4300i_SPECIAL_DSLLV: case R4300i_SPECIAL_DSRLV:
case R4300i_SPECIAL_DSRAV: case R4300i_SPECIAL_ADD: case R4300i_SPECIAL_ADDU:
case R4300i_SPECIAL_SUB: case R4300i_SPECIAL_SUBU: case R4300i_SPECIAL_AND:
case R4300i_SPECIAL_OR: case R4300i_SPECIAL_XOR: case R4300i_SPECIAL_NOR:
case R4300i_SPECIAL_SLT:
case R4300i_SPECIAL_SLTU:
case R4300i_SPECIAL_DADD:
case R4300i_SPECIAL_DADDU:
case R4300i_SPECIAL_DSUB:
case R4300i_SPECIAL_DSUBU:
case R4300i_SPECIAL_DSLL:
case R4300i_SPECIAL_DSRL:
case R4300i_SPECIAL_DSRA:
case R4300i_SPECIAL_DSLL32:
case R4300i_SPECIAL_DSRL32:
case R4300i_SPECIAL_DSRA32:
if (DelayOp.m_opcode.rd == 0) { return false; }
if (DelayOp.m_opcode.rd == Reg1) { return true; }
if (DelayOp.m_opcode.rd == Reg2) { return true; }
break;
case R4300i_SPECIAL_MULT:
case R4300i_SPECIAL_MULTU:
case R4300i_SPECIAL_DIV:
case R4300i_SPECIAL_DIVU:
case R4300i_SPECIAL_DMULT:
case R4300i_SPECIAL_DMULTU:
case R4300i_SPECIAL_DDIV:
case R4300i_SPECIAL_DDIVU:
case R4300i_SPECIAL_BREAK:
case R4300i_SPECIAL_SYNC:
case R4300i_SPECIAL_SYSCALL:
break;
case R4300i_SPECIAL_JR:
case R4300i_SPECIAL_JALR:
return true;
default:
//_Notify->DisplayError("%s\nDoes %s effect Delay slot at %X?",Name().c_str(),DelayOp.Name().c_str(),DelayOp.PC());
return true;
}
break;
case R4300i_REGIMM: return true;
case R4300i_CP0:
switch (DelayOp.m_opcode.rs) {
case R4300i_COP0_MT: break;
case R4300i_COP0_MF:
if (DelayOp.m_opcode.rt == 0) { return false; }
if (DelayOp.m_opcode.rt == Reg1) { return true; }
if (DelayOp.m_opcode.rt == Reg2) { return true; }
break;
default:
if ( (DelayOp.m_opcode.rs & 0x10 ) != 0 ) {
switch( DelayOp.m_opcode.funct ) {
case R4300i_COP0_CO_TLBR: break;
case R4300i_COP0_CO_TLBWI: break;
case R4300i_COP0_CO_TLBWR: break;
case R4300i_COP0_CO_TLBP: break;
default:
//_Notify->DisplayError("%s\nDoes %s effect Delay slot at %X?",Name().c_str(),DelayOp.Name().c_str(),DelayOp.PC());
return true;
}
} else {
//_Notify->DisplayError("%s\nDoes %s effect Delay slot at %X?",Name().c_str(),DelayOp.Name().c_str(),DelayOp.PC());
return true;
}
}
break;
case R4300i_CP1:
switch (DelayOp.m_opcode.fmt) {
case R4300i_COP1_MF:
if (DelayOp.m_opcode.rt == 0) { return false; }
if (DelayOp.m_opcode.rt == Reg1) { return true; }
if (DelayOp.m_opcode.rt == Reg2) { return true; }
break;
case R4300i_COP1_CF: break;
case R4300i_COP1_MT: break;
case R4300i_COP1_CT: break;
case R4300i_COP1_BC: return true;
case R4300i_COP1_S: break;
case R4300i_COP1_D: break;
case R4300i_COP1_W: break;
case R4300i_COP1_L: break;
default:
//_Notify->DisplayError("%s\nDoes %s effect Delay slot at %X?",Name().c_str(),DelayOp.Name().c_str(),DelayOp.PC(),DelayOp.m_opcode.op);
return true;
}
break;
case R4300i_J:
case R4300i_JAL:
case R4300i_BEQ:
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
return true;
case R4300i_ANDI:
case R4300i_ORI:
case R4300i_XORI:
case R4300i_LUI:
case R4300i_ADDI:
case R4300i_ADDIU:
case R4300i_SLTI:
case R4300i_SLTIU:
case R4300i_DADDI:
case R4300i_DADDIU:
case R4300i_LB:
case R4300i_LH:
case R4300i_LW:
case R4300i_LWL:
case R4300i_LWR:
case R4300i_LDL:
case R4300i_LDR:
case R4300i_LBU:
case R4300i_LHU:
case R4300i_LD:
case R4300i_LWC1:
case R4300i_LDC1:
if (DelayOp.m_opcode.rt == 0) { return false; }
if (DelayOp.m_opcode.rt == Reg1) { return true; }
if (DelayOp.m_opcode.rt == Reg2) { return true; }
break;
case R4300i_CACHE: break;
case R4300i_SB: break;
case R4300i_SH: break;
case R4300i_SW: break;
case R4300i_SWR: break;
case R4300i_SWL: break;
case R4300i_SWC1: break;
case R4300i_SDC1: break;
case R4300i_SD: break;
//Unknown opcodes
case 0x12:
case 0x1C:
case 0x32:
case 0x3a:
case 0x3E:
break;
default:
//_Notify->DisplayError("%s\nDoes %s effect Delay slot at %X?\n%x",Name().c_str(),DelayOp.Name().c_str(),DelayOp.PC(),DelayOp.m_opcode.op);
return true;
}
return false;
}
bool COpcodeAnalysis::DelaySlotEffectsJump (void) {
switch (m_opcode.op) {
case R4300i_SPECIAL:
switch (m_opcode.funct) {
case R4300i_SPECIAL_JR: return DelaySlotEffectsCompare(m_opcode.rs,0);
case R4300i_SPECIAL_JALR: return DelaySlotEffectsCompare(m_opcode.rs,31);
}
break;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BLTZAL:
case R4300i_REGIMM_BGEZAL:
return DelaySlotEffectsCompare(m_opcode.rs,0);
}
break;
case R4300i_JAL:
case R4300i_SPECIAL_JALR: return DelaySlotEffectsCompare(31,0); break;
case R4300i_J: return false;
case R4300i_BEQ:
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
return DelaySlotEffectsCompare(m_opcode.rs,m_opcode.rt);
case R4300i_CP1:
switch (m_opcode.fmt) {
case R4300i_COP1_BC:
switch (m_opcode.ft) {
case R4300i_COP1_BC_BCF:
case R4300i_COP1_BC_BCT:
case R4300i_COP1_BC_BCFL:
case R4300i_COP1_BC_BCTL:
{
COpcode DelayOp(m_opcode.VirtualAddress + 4);
if (DelayOp.m_opcode.op == R4300i_CP1) {
if (DelayOp.m_opcode.fmt == R4300i_COP1_S && (DelayOp.m_opcode.funct & 0x30) == 0x30 ) {
return true;
}
if (DelayOp.m_opcode.fmt == R4300i_COP1_D && (DelayOp.m_opcode.funct & 0x30) == 0x30 ) {
return true;
}
}
return false;
}
break;
}
break;
}
break;
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
return DelaySlotEffectsCompare(m_opcode.rs,m_opcode.rt);
}
return true;
}
bool COpcodeAnalysis::HasDelaySlot ( void ) {
if (HardJump()) { return true; }
if (LinkedJump()) { return true; }
if (RelativeJump()) { return true; }
return false;
}
//A non relative jump which does not record the address that it was at
//so it would be impossible to return.
bool COpcodeAnalysis::HardJump ( void ) {
switch (m_opcode.op) {
case R4300i_SPECIAL:
switch (m_opcode.funct) {
case R4300i_SPECIAL_JR: return true;
}
break;
case R4300i_J: return true;
}
return false;
}
bool COpcodeAnalysis::IsCop1Instruction ( void ) {
if (m_opcode.op == R4300i_CP1) { return true; }
if (m_opcode.op == R4300i_LWC1) { return true; }
if (m_opcode.op == R4300i_LDC1) { return true; }
if (m_opcode.op == R4300i_SWC1) { return true; }
if (m_opcode.op == R4300i_SDC1) { return true; }
return false;
}
bool COpcodeAnalysis::LinkedJump ( void ) {
switch (m_opcode.op) {
case R4300i_JAL: return true;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZAL:
case R4300i_REGIMM_BGEZAL:
case R4300i_REGIMM_BLTZALL:
case R4300i_REGIMM_BGEZALL:
return true;
}
break;
}
return false;
}
bool COpcodeAnalysis::RelativeJump ( void ) {
switch (m_opcode.op) {
case R4300i_BEQ:
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
return true;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BLTZAL:
case R4300i_REGIMM_BGEZAL:
case R4300i_REGIMM_BLTZALL:
case R4300i_REGIMM_BGEZALL:
return true;
}
break;
case R4300i_CP1:
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCF) { return true; }
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCT) { return true; }
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCFL) { return true; }
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCTL) { return true; }
break;
}
return false;
}
bool COpcodeAnalysis::LikelyJump ( void ) {
switch (m_opcode.op) {
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
return true;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BLTZALL:
case R4300i_REGIMM_BGEZALL:
return true;
}
break;
case R4300i_CP1:
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCFL) { return true; }
if (m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCTL) { return true; }
break;
}
return false;
}
//Always will jump
bool COpcodeAnalysis::NonConditionalJump ( void ) {
switch (m_opcode.op) {
case R4300i_J:
return true;
case R4300i_BEQ:
if (m_opcode.rs == 0 && m_opcode.rt == 0) {
return true;
}
break;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BGEZAL:
case R4300i_REGIMM_BGEZALL:
if (m_opcode.rs == 0) {
return true;
}
}
break;
}
return false;
}
DWORD COpcodeAnalysis::JumpLocation ( void ) {
switch (m_opcode.op) {
case R4300i_J:
case R4300i_JAL:
return (m_opcode.VirtualAddress & 0xF0000000) + (m_opcode.target << 2);
case R4300i_BEQ:
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
return m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BLTZAL:
case R4300i_REGIMM_BGEZAL:
case R4300i_REGIMM_BLTZALL:
case R4300i_REGIMM_BGEZALL:
return m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4;
}
break;
case R4300i_CP1:
if ((m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCF) ||
(m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCT) ||
(m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCFL) ||
(m_opcode.fmt == R4300i_COP1_BC && m_opcode.ft == R4300i_COP1_BC_BCTL))
{
return m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4;
}
break;
}
return -1;
}
bool COpcodeAnalysis::TerminateExecution ( void ) {
switch (m_opcode.op) {
case R4300i_SPECIAL:
switch (m_opcode.funct) {
case R4300i_SPECIAL_SYSCALL: return true;
case R4300i_SPECIAL_BREAK: return true;
}
break;
case R4300i_CP0:
if ( (m_opcode.rs & 0x10 ) != 0 ) {
switch( m_opcode.funct ) {
case R4300i_COP0_CO_ERET: return true;
}
}
break;
}
return false;
}
stdstr COpcodeAnalysis::Name( void ) {
const char * szOpName = OpcodeName();
char Command[200];
OpcodeParam(Command);
return stdstr_f("%-15s%s",szOpName,Command);
}
stdstr COpcodeAnalysis::FullName(bool * MultipleOps) {
stdstr OpName, OpParam;
if (MultipleOps) { *MultipleOps = false; }
if (MultipleOps == NULL) { return Name(); }
//Use LI macro
if (m_opcode.op == R4300i_LUI) {
DWORD Value = m_opcode.immediate * 0x10000;
int Register = m_opcode.rt;
COpcode NextOp(m_opcode.VirtualAddress + 4);
if ((NextOp.m_opcode.op == R4300i_ADDIU || NextOp.m_opcode.op == R4300i_ORI) &&
NextOp.m_opcode.rt == m_opcode.rt && NextOp.m_opcode.rs == m_opcode.rt)
{
Value += (DWORD)((short)NextOp.m_opcode.immediate);
*MultipleOps = true;
}
char Param[100];
sprintf(Param, "%s, 0x%08X",GPR_Name[Register],Value);
OpName = stdstr("li");
OpParam = stdstr(Param);
}
if (m_opcode.op == R4300i_ADDIU && m_opcode.rs == 0) {
char Param[100];
sprintf(Param, "%s, 0x%08X",GPR_Name[m_opcode.rt], (DWORD)((short)m_opcode.immediate));
OpName = stdstr("li");
OpParam = stdstr(Param);
}
if (m_opcode.op == R4300i_ORI && m_opcode.rs == 0) {
char Param[100];
sprintf(Param, "%s, 0x%08X",GPR_Name[m_opcode.rt],m_opcode.immediate);
OpName = stdstr("li");
OpParam = stdstr(Param);
}
_Notify->BreakPoint(__FILE__,__LINE__);
// if (OpName.length() == 0) { OpName = OpcodeName(); }
// if (OpParam.length() == 0) { OpParam = OpcodeParam(); }
while (OpName.length() < 7) { OpName += " "; }
return stdstr_f("%s\t%s",OpName.c_str(),OpParam.c_str());
}
const char * COpcodeAnalysis::OpcodeName ( void )
{
switch (m_opcode.op) {
case R4300i_SPECIAL:
switch (m_opcode.funct) {
case R4300i_SPECIAL_SLL:
if (m_opcode.Hex != 0) {
return "sll";
} else {
return "nop";
}
break;
case R4300i_SPECIAL_SRL: return "srl";
case R4300i_SPECIAL_SRA: return "sra";
case R4300i_SPECIAL_SLLV: return "sllv";
case R4300i_SPECIAL_SRLV: return "srlv";
case R4300i_SPECIAL_SRAV: return "srav";
case R4300i_SPECIAL_JR: return "jr";
case R4300i_SPECIAL_JALR: return "jalr";
case R4300i_SPECIAL_SYSCALL: return "system call";
case R4300i_SPECIAL_BREAK: return "break";
case R4300i_SPECIAL_SYNC: return "sync";
case R4300i_SPECIAL_MFHI: return "mfhi";
case R4300i_SPECIAL_MTHI: return "mthi";
case R4300i_SPECIAL_MFLO: return "mflo";
case R4300i_SPECIAL_MTLO: return "mtlo";
case R4300i_SPECIAL_DSLLV: return "dsllv";
case R4300i_SPECIAL_DSRLV: return "dsrlv";
case R4300i_SPECIAL_DSRAV: return "dsrav";
case R4300i_SPECIAL_MULT: return "mult";
case R4300i_SPECIAL_MULTU: return "multu";
case R4300i_SPECIAL_DIV: return "div";
case R4300i_SPECIAL_DIVU: return "divu";
case R4300i_SPECIAL_DMULT: return "dmult";
case R4300i_SPECIAL_DMULTU: return "dmultu";
case R4300i_SPECIAL_DDIV: return "ddiv";
case R4300i_SPECIAL_DDIVU: return "ddivu";
case R4300i_SPECIAL_ADD: return "add";
case R4300i_SPECIAL_ADDU: return "addu";
case R4300i_SPECIAL_SUB: return "sub";
case R4300i_SPECIAL_SUBU: return "subu";
case R4300i_SPECIAL_AND: return "and";
case R4300i_SPECIAL_OR: return "or";
case R4300i_SPECIAL_XOR: return "xor";
case R4300i_SPECIAL_NOR: return "nor";
case R4300i_SPECIAL_SLT: return "slt";
case R4300i_SPECIAL_SLTU: return "sltu";
case R4300i_SPECIAL_DADD: return "dadd";
case R4300i_SPECIAL_DADDU: return "daddu";
case R4300i_SPECIAL_DSUB: return "dsub";
case R4300i_SPECIAL_DSUBU: return "dsubu";
case R4300i_SPECIAL_TGE: return "tge";
case R4300i_SPECIAL_TGEU: return "tgeu";
case R4300i_SPECIAL_TLT: return "tlt";
case R4300i_SPECIAL_TLTU: return "tltu";
case R4300i_SPECIAL_TEQ: return "teq";
case R4300i_SPECIAL_TNE: return "tne";
case R4300i_SPECIAL_DSLL: return "dsll";
case R4300i_SPECIAL_DSRL: return "dsrl";
case R4300i_SPECIAL_DSRA: return "dsra";
case R4300i_SPECIAL_DSLL32: return "dsll32";
case R4300i_SPECIAL_DSRL32: return "dsrl32";
case R4300i_SPECIAL_DSRA32: return "dsra32";
}
break;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZ: return "bltz";
case R4300i_REGIMM_BGEZ:
if (m_opcode.rs == 0) { return "b"; }
return "bgez";
case R4300i_REGIMM_BLTZL: return "bltzl";
case R4300i_REGIMM_BGEZL: return "bgezl";
case R4300i_REGIMM_TGEI: return "tgei";
case R4300i_REGIMM_TGEIU: return "tgeiu";
case R4300i_REGIMM_TLTI: return "tlti";
case R4300i_REGIMM_TLTIU: return "tltiu";
case R4300i_REGIMM_TEQI: return "teqi";
case R4300i_REGIMM_TNEI: return "tnei";
case R4300i_REGIMM_BLTZAL: return "bltzal";
case R4300i_REGIMM_BGEZAL:
if (m_opcode.rs == 0) { return "bal"; }
return "bgezal";
case R4300i_REGIMM_BLTZALL: return "bltzall";
case R4300i_REGIMM_BGEZALL: return "bgezall";
}
break;
case R4300i_J: return "j";
case R4300i_JAL: return "jal";
case R4300i_BEQ:
if (m_opcode.rs == 0 && m_opcode.rt == 0) {
return "b";
} else if (m_opcode.rs == 0 || m_opcode.rt == 0) {
return "beqz";
} else {
return "beq";
}
break;
case R4300i_BNE:
if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
return "bnez";
} else {
return "bne";
}
break;
case R4300i_BLEZ: return "blez";
case R4300i_BGTZ: return "bgtz";
case R4300i_ADDI: return "addi";
case R4300i_ADDIU: return "addiu";
case R4300i_SLTI: return "slti";
case R4300i_SLTIU: return "sltiu";
case R4300i_ANDI: return "andi";
case R4300i_ORI: return "ori";
case R4300i_XORI: return "xori";
case R4300i_LUI: return "lui";
case R4300i_CP0:
switch (m_opcode.rs) {
case R4300i_COP0_MF: return "mfc0";
case R4300i_COP0_MT: return "mtc0";
default:
if ( (m_opcode.rs & 0x10 ) != 0 ) {
switch( m_opcode.funct ) {
case R4300i_COP0_CO_TLBR: return "tlbr";
case R4300i_COP0_CO_TLBWI: return "tlbwi";
case R4300i_COP0_CO_TLBWR: return "tlbwr";
case R4300i_COP0_CO_TLBP: return "tlbp";
case R4300i_COP0_CO_ERET: return "eret";
}
}
break;
}
break;
case R4300i_CP1:
switch (m_opcode.fmt) {
case R4300i_COP1_MF: return "mfc1";
case R4300i_COP1_DMF: return "dmfc1";
case R4300i_COP1_CF: return "cfc1";
case R4300i_COP1_MT: return "mtc1";
case R4300i_COP1_DMT: return "dmtc1";
case R4300i_COP1_CT: return "ctc1";
case R4300i_COP1_BC:
switch (m_opcode.ft) {
case R4300i_COP1_BC_BCF: return "BC1F";
case R4300i_COP1_BC_BCT: return "BC1T";
case R4300i_COP1_BC_BCFL: return "BC1FL";
case R4300i_COP1_BC_BCTL: return "BC1TL";
}
break;
case R4300i_COP1_S:
switch (m_opcode.funct) {
case R4300i_COP1_FUNCT_ADD: return "ADD.S";
case R4300i_COP1_FUNCT_SUB: return "SUB.S";
case R4300i_COP1_FUNCT_MUL: return "MUL.S";
case R4300i_COP1_FUNCT_DIV: return "DIV.S";
case R4300i_COP1_FUNCT_SQRT: return "SQRT.S";
case R4300i_COP1_FUNCT_ABS: return "ABS.S";
case R4300i_COP1_FUNCT_MOV: return "MOV.S";
case R4300i_COP1_FUNCT_NEG: return "NEG.S";
case R4300i_COP1_FUNCT_ROUND_L: return "ROUND.S";
case R4300i_COP1_FUNCT_TRUNC_L: return "TRUNC.L.S";
case R4300i_COP1_FUNCT_CEIL_L: return "CEIL.L.S";
case R4300i_COP1_FUNCT_FLOOR_L: return "FLOOR.L.S";
case R4300i_COP1_FUNCT_ROUND_W: return "ROUND.W.S";
case R4300i_COP1_FUNCT_TRUNC_W: return "TRUNC.W.S";
case R4300i_COP1_FUNCT_CEIL_W: return "CEIL.W.S";
case R4300i_COP1_FUNCT_FLOOR_W: return "FLOOR.W.S";
case R4300i_COP1_FUNCT_CVT_S: return "CVT.S.S";
case R4300i_COP1_FUNCT_CVT_D: return "CVT.D.S";
case R4300i_COP1_FUNCT_CVT_W: return "CVT.W.S";
case R4300i_COP1_FUNCT_CVT_L: return "CVT.L.S";
case R4300i_COP1_FUNCT_C_F: return "C.F.S";
case R4300i_COP1_FUNCT_C_UN: return "C.UN.S";
case R4300i_COP1_FUNCT_C_EQ: return "C.EQ.S";
case R4300i_COP1_FUNCT_C_UEQ: return "C.UEQ.S";
case R4300i_COP1_FUNCT_C_OLT: return "C.OLT.S";
case R4300i_COP1_FUNCT_C_ULT: return "C.ULT.S";
case R4300i_COP1_FUNCT_C_OLE: return "C.OLE.S";
case R4300i_COP1_FUNCT_C_ULE: return "C.ULE.S";
case R4300i_COP1_FUNCT_C_SF: return "C.SF.S";
case R4300i_COP1_FUNCT_C_NGLE: return "C.NGLE.S";
case R4300i_COP1_FUNCT_C_SEQ: return "C.SEQ.S";
case R4300i_COP1_FUNCT_C_NGL: return "C.NGL.S";
case R4300i_COP1_FUNCT_C_LT: return "C.LT.S";
case R4300i_COP1_FUNCT_C_NGE: return "C.NGE.S";
case R4300i_COP1_FUNCT_C_LE: return "C.LE.S";
case R4300i_COP1_FUNCT_C_NGT: return "C.NGT.S";
}
break;
case R4300i_COP1_D:
switch (m_opcode.funct) {
case R4300i_COP1_FUNCT_ADD: return "ADD.D";
case R4300i_COP1_FUNCT_SUB: return "SUB.D";
case R4300i_COP1_FUNCT_MUL: return "MUL.D";
case R4300i_COP1_FUNCT_DIV: return "DIV.D";
case R4300i_COP1_FUNCT_SQRT: return "SQRT.D";
case R4300i_COP1_FUNCT_ABS: return "ABS.D";
case R4300i_COP1_FUNCT_MOV: return "MOV.D";
case R4300i_COP1_FUNCT_NEG: return "NEG.D";
case R4300i_COP1_FUNCT_ROUND_L: return "ROUND.D";
case R4300i_COP1_FUNCT_TRUNC_L: return "TRUNC.L.D";
case R4300i_COP1_FUNCT_CEIL_L: return "CEIL.L.D";
case R4300i_COP1_FUNCT_FLOOR_L: return "FLOOR.L.D";
case R4300i_COP1_FUNCT_ROUND_W: return "ROUND.W.D";
case R4300i_COP1_FUNCT_TRUNC_W: return "TRUNC.W.D";
case R4300i_COP1_FUNCT_CEIL_W: return "CEIL.W.D";
case R4300i_COP1_FUNCT_FLOOR_W: return "FLOOR.W.D";
case R4300i_COP1_FUNCT_CVT_S: return "CVT.D.D";
case R4300i_COP1_FUNCT_CVT_D: return "CVT.D.D";
case R4300i_COP1_FUNCT_CVT_W: return "CVT.W.D";
case R4300i_COP1_FUNCT_CVT_L: return "CVT.L.D";
case R4300i_COP1_FUNCT_C_F: return "C.F.D";
case R4300i_COP1_FUNCT_C_UN: return "C.UN.D";
case R4300i_COP1_FUNCT_C_EQ: return "C.EQ.D";
case R4300i_COP1_FUNCT_C_UEQ: return "C.UEQ.D";
case R4300i_COP1_FUNCT_C_OLT: return "C.OLT.D";
case R4300i_COP1_FUNCT_C_ULT: return "C.ULT.D";
case R4300i_COP1_FUNCT_C_OLE: return "C.OLE.D";
case R4300i_COP1_FUNCT_C_ULE: return "C.ULE.D";
case R4300i_COP1_FUNCT_C_SF: return "C.DF.D";
case R4300i_COP1_FUNCT_C_NGLE: return "C.NGLE.D";
case R4300i_COP1_FUNCT_C_SEQ: return "C.DEQ.D";
case R4300i_COP1_FUNCT_C_NGL: return "C.NGL.D";
case R4300i_COP1_FUNCT_C_LT: return "C.LT.D";
case R4300i_COP1_FUNCT_C_NGE: return "C.NGE.D";
case R4300i_COP1_FUNCT_C_LE: return "C.LE.D";
case R4300i_COP1_FUNCT_C_NGT: return "C.NGT.D";
}
break;
case R4300i_COP1_W:
switch (m_opcode.funct) {
case R4300i_COP1_FUNCT_ADD: return "ADD.W";
case R4300i_COP1_FUNCT_SUB: return "SUB.W";
case R4300i_COP1_FUNCT_MUL: return "MUL.W";
case R4300i_COP1_FUNCT_DIV: return "DIV.W";
case R4300i_COP1_FUNCT_SQRT: return "SQRT.W";
case R4300i_COP1_FUNCT_ABS: return "ABS.W";
case R4300i_COP1_FUNCT_MOV: return "MOV.W";
case R4300i_COP1_FUNCT_NEG: return "NEG.W";
case R4300i_COP1_FUNCT_ROUND_L: return "ROUND.W";
case R4300i_COP1_FUNCT_TRUNC_L: return "TRUNC.L.W";
case R4300i_COP1_FUNCT_CEIL_L: return "CEIL.L.W";
case R4300i_COP1_FUNCT_FLOOR_L: return "FLOOR.L.W";
case R4300i_COP1_FUNCT_ROUND_W: return "ROUND.W.W";
case R4300i_COP1_FUNCT_TRUNC_W: return "TRUNC.W.W";
case R4300i_COP1_FUNCT_CEIL_W: return "CEIL.W.W";
case R4300i_COP1_FUNCT_FLOOR_W: return "FLOOR.W.W";
case R4300i_COP1_FUNCT_CVT_S: return "CVT.W.W";
case R4300i_COP1_FUNCT_CVT_D: return "CVT.D.W";
case R4300i_COP1_FUNCT_CVT_W: return "CVT.W.W";
case R4300i_COP1_FUNCT_CVT_L: return "CVT.L.W";
case R4300i_COP1_FUNCT_C_F: return "C.F.W";
case R4300i_COP1_FUNCT_C_UN: return "C.UN.W";
case R4300i_COP1_FUNCT_C_EQ: return "C.EQ.W";
case R4300i_COP1_FUNCT_C_UEQ: return "C.UEQ.W";
case R4300i_COP1_FUNCT_C_OLT: return "C.OLT.W";
case R4300i_COP1_FUNCT_C_ULT: return "C.ULT.W";
case R4300i_COP1_FUNCT_C_OLE: return "C.OLE.W";
case R4300i_COP1_FUNCT_C_ULE: return "C.ULE.W";
case R4300i_COP1_FUNCT_C_SF: return "C.WF.W";
case R4300i_COP1_FUNCT_C_NGLE: return "C.NGLE.W";
case R4300i_COP1_FUNCT_C_SEQ: return "C.WEQ.W";
case R4300i_COP1_FUNCT_C_NGL: return "C.NGL.W";
case R4300i_COP1_FUNCT_C_LT: return "C.LT.W";
case R4300i_COP1_FUNCT_C_NGE: return "C.NGE.W";
case R4300i_COP1_FUNCT_C_LE: return "C.LE.W";
case R4300i_COP1_FUNCT_C_NGT: return "C.NGT.W";
}
break;
case R4300i_COP1_L:
switch (m_opcode.funct) {
case R4300i_COP1_FUNCT_ADD: return "ADD.L";
case R4300i_COP1_FUNCT_SUB: return "SUB.L";
case R4300i_COP1_FUNCT_MUL: return "MUL.L";
case R4300i_COP1_FUNCT_DIV: return "DIV.L";
case R4300i_COP1_FUNCT_SQRT: return "SQRT.L";
case R4300i_COP1_FUNCT_ABS: return "ABS.L";
case R4300i_COP1_FUNCT_MOV: return "MOV.L";
case R4300i_COP1_FUNCT_NEG: return "NEG.L";
case R4300i_COP1_FUNCT_ROUND_L: return "ROUND.L";
case R4300i_COP1_FUNCT_TRUNC_L: return "TRUNC.L.L";
case R4300i_COP1_FUNCT_CEIL_L: return "CEIL.L.L";
case R4300i_COP1_FUNCT_FLOOR_L: return "FLOOR.L.L";
case R4300i_COP1_FUNCT_ROUND_W: return "ROUND.W.L";
case R4300i_COP1_FUNCT_TRUNC_W: return "TRUNC.W.L";
case R4300i_COP1_FUNCT_CEIL_W: return "CEIL.W.L";
case R4300i_COP1_FUNCT_FLOOR_W: return "FLOOR.W.L";
case R4300i_COP1_FUNCT_CVT_S: return "CVT.L.L";
case R4300i_COP1_FUNCT_CVT_D: return "CVT.D.L";
case R4300i_COP1_FUNCT_CVT_W: return "CVT.W.L";
case R4300i_COP1_FUNCT_CVT_L: return "CVT.L.L";
case R4300i_COP1_FUNCT_C_F: return "C.F.L";
case R4300i_COP1_FUNCT_C_UN: return "C.UN.L";
case R4300i_COP1_FUNCT_C_EQ: return "C.EQ.L";
case R4300i_COP1_FUNCT_C_UEQ: return "C.UEQ.L";
case R4300i_COP1_FUNCT_C_OLT: return "C.OLT.L";
case R4300i_COP1_FUNCT_C_ULT: return "C.ULT.L";
case R4300i_COP1_FUNCT_C_OLE: return "C.OLE.L";
case R4300i_COP1_FUNCT_C_ULE: return "C.ULE.L";
case R4300i_COP1_FUNCT_C_SF: return "C.LF.L";
case R4300i_COP1_FUNCT_C_NGLE: return "C.NGLE.L";
case R4300i_COP1_FUNCT_C_SEQ: return "C.LEQ.L";
case R4300i_COP1_FUNCT_C_NGL: return "C.NGL.L";
case R4300i_COP1_FUNCT_C_LT: return "C.LT.L";
case R4300i_COP1_FUNCT_C_NGE: return "C.NGE.L";
case R4300i_COP1_FUNCT_C_LE: return "C.LE.L";
case R4300i_COP1_FUNCT_C_NGT: return "C.NGT.L";
}
break;
}
break;
case R4300i_BEQL:
if (m_opcode.rs == m_opcode.rt) {
return "b";
} else if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
return "beqzl";
} else {
return "beql";
}
break;
case R4300i_BNEL:
if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
return "bnezl";
} else {
return "bnel";
}
break;
case R4300i_BLEZL: return "blezl";
case R4300i_BGTZL: return "bgtzl";
case R4300i_DADDI: return "daddi";
case R4300i_DADDIU: return "daddiu";
case R4300i_LDL: return "ldl";
case R4300i_LDR: return "ldr";
case R4300i_LB: return "lb";
case R4300i_LH: return "lh";
case R4300i_LWL: return "lwl";
case R4300i_LW: return "lw";
case R4300i_LBU: return "lbu";
case R4300i_LHU: return "lhu";
case R4300i_LWR: return "lwr";
case R4300i_LWU: return "lwu";
case R4300i_SB: return "sb";
case R4300i_SH: return "sh";
case R4300i_SWL: return "swl";
case R4300i_SW: return "sw";
case R4300i_SDL: return "sdl";
case R4300i_SDR: return "sdr";
case R4300i_SWR: return "swr";
case R4300i_CACHE: return "cache";
case R4300i_LL: return "ll";
case R4300i_LWC1: return "lwc1";
case R4300i_LDC1: return "ldc1";
case R4300i_LD: return "ld";
case R4300i_SC: return "sc";
case R4300i_SWC1: return "swc1";
case R4300i_SDC1: return "sdc1";
case R4300i_SD: return "sd";
}
return "Unknown";
}
void COpcodeAnalysis::OpcodeParam(char * CommandName)
{
sprintf(CommandName,"%02X %02X %02X %02X",m_opcode.Ascii[3],
m_opcode.Ascii[2],m_opcode.Ascii[1],m_opcode.Ascii[0]);
switch (m_opcode.op) {
case R4300i_SPECIAL:
switch (m_opcode.funct) {
case R4300i_SPECIAL_SLL:
if (m_opcode.Hex != 0) {
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rd],GPR_Name[m_opcode.rt], m_opcode.sa);
} else {
strcpy(CommandName,"");
}
break;
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rd], GPR_Name[m_opcode.rt],m_opcode.sa);
break;
case R4300i_SPECIAL_SLLV:
case R4300i_SPECIAL_SRLV:
case R4300i_SPECIAL_SRAV:
case R4300i_SPECIAL_DSLLV:
case R4300i_SPECIAL_DSRLV:
case R4300i_SPECIAL_DSRAV:
sprintf(CommandName,"%s, %s, %s",GPR_Name[m_opcode.rd], GPR_Name[m_opcode.rt],
GPR_Name[m_opcode.rs]);
break;
case R4300i_SPECIAL_JR:
sprintf(CommandName,"%s",GPR_Name[m_opcode.rs]);
break;
case R4300i_SPECIAL_JALR:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rd],GPR_Name[m_opcode.rs]);
break;
case R4300i_SPECIAL_SYNC:
case R4300i_SPECIAL_SYSCALL:
case R4300i_SPECIAL_BREAK:
strcpy(CommandName,"");
break;
case R4300i_SPECIAL_MFHI:
case R4300i_SPECIAL_MFLO:
sprintf(CommandName,"%s",GPR_Name[m_opcode.rd]);
break;
case R4300i_SPECIAL_MTHI:
case R4300i_SPECIAL_MTLO:
sprintf(CommandName,"%s",GPR_Name[m_opcode.rs]);
break;
case R4300i_SPECIAL_MULT:
case R4300i_SPECIAL_MULTU:
case R4300i_SPECIAL_DIV:
case R4300i_SPECIAL_DIVU:
case R4300i_SPECIAL_DMULT:
case R4300i_SPECIAL_DMULTU:
case R4300i_SPECIAL_DDIV:
case R4300i_SPECIAL_DDIVU:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rs], GPR_Name[m_opcode.rt]);
break;
case R4300i_SPECIAL_ADD:
case R4300i_SPECIAL_ADDU:
case R4300i_SPECIAL_SUB:
case R4300i_SPECIAL_SUBU:
case R4300i_SPECIAL_AND:
case R4300i_SPECIAL_OR:
case R4300i_SPECIAL_XOR:
case R4300i_SPECIAL_NOR:
case R4300i_SPECIAL_SLT:
case R4300i_SPECIAL_SLTU:
case R4300i_SPECIAL_DADD:
case R4300i_SPECIAL_DADDU:
case R4300i_SPECIAL_DSUB:
case R4300i_SPECIAL_DSUBU:
sprintf(CommandName,"%s, %s, %s",GPR_Name[m_opcode.rd], GPR_Name[m_opcode.rs],
GPR_Name[m_opcode.rt]);
break;
case R4300i_SPECIAL_TGE:
case R4300i_SPECIAL_TGEU:
case R4300i_SPECIAL_TLT:
case R4300i_SPECIAL_TLTU:
case R4300i_SPECIAL_TEQ:
case R4300i_SPECIAL_TNE:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rs],GPR_Name[m_opcode.rt]);
break;
case R4300i_SPECIAL_DSLL:
case R4300i_SPECIAL_DSRL:
case R4300i_SPECIAL_DSRA:
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rd],
GPR_Name[m_opcode.rt], m_opcode.sa);
break;
case R4300i_SPECIAL_DSLL32:
case R4300i_SPECIAL_DSRL32:
case R4300i_SPECIAL_DSRA32:
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rd],GPR_Name[m_opcode.rt], m_opcode.sa);
break;
}
break;
case R4300i_J:
case R4300i_JAL:
sprintf(CommandName,"%s",_Labels->LabelName((m_opcode.VirtualAddress & 0xF0000000) + (m_opcode.target << 2)));
break;
case R4300i_BEQ:
if (m_opcode.rs == 0 && m_opcode.rt == 0) {
sprintf(CommandName,"%s", _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else if (m_opcode.rs == 0 || m_opcode.rt == 0) {
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs == 0 ? m_opcode.rt : m_opcode.rs ],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else {
sprintf(CommandName,"%s, %s, %s", GPR_Name[m_opcode.rs], GPR_Name[m_opcode.rt],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
}
break;
case R4300i_BNE:
if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs == 0 ? m_opcode.rt : m_opcode.rs ],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else {
sprintf(CommandName,"%s, %s, %s", GPR_Name[m_opcode.rs], GPR_Name[m_opcode.rt],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
}
break;
case R4300i_REGIMM:
switch (m_opcode.rt) {
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BLTZAL:
case R4300i_REGIMM_BLTZALL:
case R4300i_REGIMM_BGEZALL:
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs], _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
break;
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BGEZAL:
if (m_opcode.rs == 0) {
sprintf(CommandName,"%s", _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else {
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs], _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
}
break;
case R4300i_REGIMM_TGEI:
case R4300i_REGIMM_TGEIU:
case R4300i_REGIMM_TLTI:
case R4300i_REGIMM_TLTIU:
case R4300i_REGIMM_TEQI:
case R4300i_REGIMM_TNEI:
sprintf(CommandName,"%s, 0x%X",GPR_Name[m_opcode.rs],m_opcode.immediate);
break;
}
break;
case R4300i_BLEZ:
case R4300i_BGTZ:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rs], _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
break;
case R4300i_ADDI:
case R4300i_ADDIU:
case R4300i_SLTI:
case R4300i_SLTIU:
case R4300i_ANDI:
case R4300i_ORI:
case R4300i_XORI:
if (m_opcode.rt == m_opcode.rs) {
sprintf(CommandName,"%s, 0x%X",GPR_Name[m_opcode.rt], m_opcode.immediate);
} else {
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rt], GPR_Name[m_opcode.rs],m_opcode.immediate);
}
break;
case R4300i_LUI:
sprintf(CommandName,"%s, 0x%X",GPR_Name[m_opcode.rt], m_opcode.immediate);
break;
case R4300i_CP0:
switch (m_opcode.rs) {
case R4300i_COP0_MF:
case R4300i_COP0_MT:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rt], Cop0_Name[m_opcode.rd]);
break;
default:
if ( (m_opcode.rs & 0x10 ) != 0 ) {
switch( m_opcode.funct ) {
case R4300i_COP0_CO_TLBR: strcpy(CommandName,""); break;
case R4300i_COP0_CO_TLBWI: strcpy(CommandName,""); break;
case R4300i_COP0_CO_TLBWR: strcpy(CommandName,""); break;
case R4300i_COP0_CO_TLBP: strcpy(CommandName,""); break;
case R4300i_COP0_CO_ERET: strcpy(CommandName,""); break;
}
}
break;
}
break;
case R4300i_CP1:
switch (m_opcode.fmt) {
case R4300i_COP1_MF:
case R4300i_COP1_DMF:
case R4300i_COP1_MT:
case R4300i_COP1_DMT:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rt], FPR_Name[m_opcode.fs]);
break;
case R4300i_COP1_CF:
case R4300i_COP1_CT:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rt], FPR_Ctrl_Name[m_opcode.fs]);
break;
case R4300i_COP1_BC:
switch (m_opcode.ft) {
case R4300i_COP1_BC_BCF:
case R4300i_COP1_BC_BCT:
case R4300i_COP1_BC_BCFL:
case R4300i_COP1_BC_BCTL:
sprintf(CommandName,"%s",_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
break;
}
break;
case R4300i_COP1_S:
case R4300i_COP1_D:
case R4300i_COP1_W:
case R4300i_COP1_L:
switch (m_opcode.funct) {
case R4300i_COP1_FUNCT_ADD:
case R4300i_COP1_FUNCT_SUB:
case R4300i_COP1_FUNCT_MUL:
case R4300i_COP1_FUNCT_DIV:
sprintf(CommandName,"%s, %s, %s",FPR_Name[m_opcode.fd], FPR_Name[m_opcode.fs],
FPR_Name[m_opcode.ft]);
break;
case R4300i_COP1_FUNCT_SQRT:
case R4300i_COP1_FUNCT_ABS:
case R4300i_COP1_FUNCT_MOV:
case R4300i_COP1_FUNCT_NEG:
case R4300i_COP1_FUNCT_ROUND_L:
case R4300i_COP1_FUNCT_TRUNC_L:
case R4300i_COP1_FUNCT_CEIL_L:
case R4300i_COP1_FUNCT_FLOOR_L:
case R4300i_COP1_FUNCT_ROUND_W:
case R4300i_COP1_FUNCT_TRUNC_W:
case R4300i_COP1_FUNCT_CEIL_W:
case R4300i_COP1_FUNCT_FLOOR_W:
case R4300i_COP1_FUNCT_CVT_S:
case R4300i_COP1_FUNCT_CVT_D:
case R4300i_COP1_FUNCT_CVT_W:
case R4300i_COP1_FUNCT_CVT_L:
sprintf(CommandName,"%s, %s",FPR_Name[m_opcode.fd], FPR_Name[m_opcode.fs]);
break;
case R4300i_COP1_FUNCT_C_F:
case R4300i_COP1_FUNCT_C_UN:
case R4300i_COP1_FUNCT_C_EQ:
case R4300i_COP1_FUNCT_C_UEQ:
case R4300i_COP1_FUNCT_C_OLT:
case R4300i_COP1_FUNCT_C_ULT:
case R4300i_COP1_FUNCT_C_OLE:
case R4300i_COP1_FUNCT_C_ULE:
case R4300i_COP1_FUNCT_C_SF:
case R4300i_COP1_FUNCT_C_NGLE:
case R4300i_COP1_FUNCT_C_SEQ:
case R4300i_COP1_FUNCT_C_NGL:
case R4300i_COP1_FUNCT_C_LT:
case R4300i_COP1_FUNCT_C_NGE:
case R4300i_COP1_FUNCT_C_LE:
case R4300i_COP1_FUNCT_C_NGT:
sprintf(CommandName,"%s, %s",FPR_Name[m_opcode.fs], FPR_Name[m_opcode.ft]);
break;
}
}
break;
case R4300i_BEQL:
if (m_opcode.rs == m_opcode.rt) {
sprintf(CommandName,"%s", _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs == 0 ? m_opcode.rt : m_opcode.rs ],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else {
sprintf(CommandName,"%s, %s, %s", GPR_Name[m_opcode.rs], GPR_Name[m_opcode.rt],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
}
break;
case R4300i_BNEL:
if ((m_opcode.rs == 0) ^ (m_opcode.rt == 0)){
sprintf(CommandName,"%s, %s", GPR_Name[m_opcode.rs == 0 ? m_opcode.rt : m_opcode.rs ],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
} else {
sprintf(CommandName,"%s, %s, %s", GPR_Name[m_opcode.rs], GPR_Name[m_opcode.rt],
_Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
}
break;
case R4300i_BLEZL:
case R4300i_BGTZL:
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rs], _Labels->LabelName(m_opcode.VirtualAddress + ((short)m_opcode.offset << 2) + 4));
break;
case R4300i_DADDI:
case R4300i_DADDIU:
sprintf(CommandName,"%s, %s, 0x%X",GPR_Name[m_opcode.rt], GPR_Name[m_opcode.rs],m_opcode.immediate);
break;
case R4300i_LDL:
case R4300i_LDR:
case R4300i_LB:
case R4300i_LH:
case R4300i_LWL:
case R4300i_LW:
case R4300i_LBU:
case R4300i_LHU:
case R4300i_LWR:
case R4300i_LWU:
case R4300i_SB:
case R4300i_SH:
case R4300i_SWL:
case R4300i_SW:
case R4300i_SDL:
case R4300i_SDR:
case R4300i_SWR:
case R4300i_LL:
case R4300i_LD:
case R4300i_SD:
case R4300i_SC:
if (m_opcode.offset == 0) {
sprintf(CommandName,"%s, %s",GPR_Name[m_opcode.rt], GPR_Name[m_opcode.base]);
} else {
sprintf(CommandName,"%s, 0x%X (%s)",GPR_Name[m_opcode.rt], m_opcode.offset, GPR_Name[m_opcode.base]);
}
break;
case R4300i_CACHE:
sprintf(CommandName,"%d, 0x%X (%s)",m_opcode.rt, m_opcode.offset, GPR_Name[m_opcode.base]);
break;
case R4300i_LWC1:
case R4300i_LDC1:
case R4300i_SWC1:
case R4300i_SDC1:
sprintf(CommandName,"%s, 0x%X (%s)",FPR_Name[m_opcode.rt], m_opcode.offset, GPR_Name[m_opcode.base]);
break;
}
}
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