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pcsx2/pcsx2/MMI.cpp

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "Common.h"
namespace R5900 {
namespace Interpreter {
namespace OpcodeImpl {
/////////////////////////////////////////////////////////////////
// Non-MMI Instructions!
//
// Several instructions in the MMI opcode class are actually just regular
// instructions which have been added to "extend" the R5900's instruction
// set. They're here, because if not here they'd be homeless.
// - The Pcsx2 team, doing their part to fight homelessness
void MADD() {
s64 temp = (s64)((u64)cpuRegs.LO.UL[0] | ((u64)cpuRegs.HI.UL[0] << 32)) +
((s64)cpuRegs.GPR.r[_Rs_].SL[0] * (s64)cpuRegs.GPR.r[_Rt_].SL[0]);
cpuRegs.LO.SD[0] = (s32)(temp & 0xffffffff);
cpuRegs.HI.SD[0] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[0] = cpuRegs.LO.SD[0];
}
void MADDU() {
u64 tempu = (u64)((u64)cpuRegs.LO.UL[0] | ((u64)cpuRegs.HI.UL[0] << 32)) +
((u64)cpuRegs.GPR.r[_Rs_].UL[0] * (u64)cpuRegs.GPR.r[_Rt_].UL[0]);
cpuRegs.LO.SD[0] = (s32)(tempu & 0xffffffff);
cpuRegs.HI.SD[0] = (s32)(tempu >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[0] = cpuRegs.LO.SD[0];
}
void MADD1() {
s64 temp = (s64)((u64)cpuRegs.LO.UL[2] | ((u64)cpuRegs.HI.UL[2] << 32)) +
((s64)cpuRegs.GPR.r[_Rs_].SL[0] * (s64)cpuRegs.GPR.r[_Rt_].SL[0]);
cpuRegs.LO.SD[1] = (s32)(temp & 0xffffffff);
cpuRegs.HI.SD[1] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[0] = cpuRegs.LO.SD[1];
}
void MADDU1() {
u64 tempu = (u64)((u64)cpuRegs.LO.UL[2] | ((u64)cpuRegs.HI.UL[2] << 32)) +
((u64)cpuRegs.GPR.r[_Rs_].UL[0] * (u64)cpuRegs.GPR.r[_Rt_].UL[0]);
cpuRegs.LO.SD[1] = (s32)(tempu & 0xffffffff);
cpuRegs.HI.SD[1] = (s32)(tempu >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[0] = cpuRegs.LO.SD[1];
}
void MFHI1() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.HI.UD[1];
}
void MFLO1() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.LO.UD[1];
}
void MTHI1() {
cpuRegs.HI.UD[1] = cpuRegs.GPR.r[_Rs_].UD[0];
}
void MTLO1() {
cpuRegs.LO.UD[1] = cpuRegs.GPR.r[_Rs_].UD[0];
}
void MULT1() {
s64 temp = (s64)cpuRegs.GPR.r[_Rs_].SL[0] * cpuRegs.GPR.r[_Rt_].SL[0];
// Sign-extend into 64 bits:
cpuRegs.LO.SD[1] = (s32)(temp & 0xffffffff);
cpuRegs.HI.SD[1] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.LO.UD[1];
}
void MULTU1() {
u64 tempu = (u64)cpuRegs.GPR.r[_Rs_].UL[0] * cpuRegs.GPR.r[_Rt_].UL[0];
// According to docs, sign-extend into 64 bits even though it's an unsigned mult.
cpuRegs.LO.SD[1] = (s32)(tempu & 0xffffffff);
cpuRegs.HI.SD[1] = (s32)(tempu >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.LO.UD[1];
}
void DIV1() {
if (cpuRegs.GPR.r[_Rs_].UL[0] == 0x80000000 && cpuRegs.GPR.r[_Rt_].UL[0] == 0xffffffff)
{
cpuRegs.LO.SD[1] = (s32)0x80000000;
cpuRegs.HI.SD[1] = (s32)0x0;
}
else if (cpuRegs.GPR.r[_Rt_].SL[0] != 0)
{
cpuRegs.LO.SD[1] = cpuRegs.GPR.r[_Rs_].SL[0] / cpuRegs.GPR.r[_Rt_].SL[0];
cpuRegs.HI.SD[1] = cpuRegs.GPR.r[_Rs_].SL[0] % cpuRegs.GPR.r[_Rt_].SL[0];
}
else
{
cpuRegs.LO.SD[1] = (cpuRegs.GPR.r[_Rs_].SL[0] < 0) ? 1 : -1;
cpuRegs.HI.SD[1] = cpuRegs.GPR.r[_Rs_].SL[0];
}
}
void DIVU1()
{
if (cpuRegs.GPR.r[_Rt_].UL[0] != 0)
{
// note: DIVU has no sign extension when assigning back to 64 bits
// note 2: reference material strongly disagrees. (air)
cpuRegs.LO.SD[1] = (s32)(cpuRegs.GPR.r[_Rs_].UL[0] / cpuRegs.GPR.r[_Rt_].UL[0]);
cpuRegs.HI.SD[1] = (s32)(cpuRegs.GPR.r[_Rs_].UL[0] % cpuRegs.GPR.r[_Rt_].UL[0]);
}
else
{
cpuRegs.LO.SD[1] = -1;
cpuRegs.HI.SD[1] = cpuRegs.GPR.r[_Rs_].SL[0];
}
}
namespace MMI {
//*****************MMI OPCODES*********************************
static __fi void _PLZCW(int n)
{
// This function counts the number of "like" bits in the source register, starting
// with the MSB and working its way down, and returns the result MINUS ONE.
// So 0xff00 would return 7, not 8.
int c = 0;
s32 i = cpuRegs.GPR.r[_Rs_].SL[n];
// Negate the source based on the sign bit. This allows us to use a simple
// unified bit test of the MSB for either condition.
if( i >= 0 ) i = ~i;
// shift first, compare, then increment. This excludes the sign bit from our final count.
while( i <<= 1, i < 0 ) c++;
cpuRegs.GPR.r[_Rd_].UL[n] = c;
}
void PLZCW() {
if (!_Rd_) return;
_PLZCW (0);
_PLZCW (1);
}
__fi void PMFHL_CLAMP(u16& dst, s32 src)
{
if (src > 0x7fff) dst = 0x7fff;
else if (src < -0x8000) dst = 0x8000;
else dst = (u16)src;
}
void PMFHL() {
if (!_Rd_) return;
switch (_Sa_) {
case 0x00: // LW
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
break;
case 0x01: // UW
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[1];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[1];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[3];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[3];
break;
case 0x02: // SLW
{
s64 TempS64 = ((u64)cpuRegs.HI.UL[0] << 32) | (u64)cpuRegs.LO.UL[0];
if (TempS64 >= 0x000000007fffffffLL) {
cpuRegs.GPR.r[_Rd_].UD[0] = 0x000000007fffffffLL;
} else if (TempS64 <= 0xffffffff80000000LL) {
cpuRegs.GPR.r[_Rd_].UD[0] = 0xffffffff80000000LL;
} else {
cpuRegs.GPR.r[_Rd_].UD[0] = (s64)cpuRegs.LO.SL[0];
}
TempS64 = ((u64)cpuRegs.HI.UL[2] << 32) | (u64)cpuRegs.LO.UL[2];
if (TempS64 >= 0x000000007fffffffLL) {
cpuRegs.GPR.r[_Rd_].UD[1] = 0x000000007fffffffLL;
} else if (TempS64 <= 0xffffffff80000000LL) {
cpuRegs.GPR.r[_Rd_].UD[1] = 0xffffffff80000000LL;
} else {
cpuRegs.GPR.r[_Rd_].UD[1] = (s64)cpuRegs.LO.SL[2];
}
}
break;
case 0x03: // LH
cpuRegs.GPR.r[_Rd_].US[0] = cpuRegs.LO.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = cpuRegs.LO.US[2];
cpuRegs.GPR.r[_Rd_].US[2] = cpuRegs.HI.US[0];
cpuRegs.GPR.r[_Rd_].US[3] = cpuRegs.HI.US[2];
cpuRegs.GPR.r[_Rd_].US[4] = cpuRegs.LO.US[4];
cpuRegs.GPR.r[_Rd_].US[5] = cpuRegs.LO.US[6];
cpuRegs.GPR.r[_Rd_].US[6] = cpuRegs.HI.US[4];
cpuRegs.GPR.r[_Rd_].US[7] = cpuRegs.HI.US[6];
break;
case 0x04: // SH
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[0], cpuRegs.LO.UL[0]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[1], cpuRegs.LO.UL[1]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[2], cpuRegs.HI.UL[0]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[3], cpuRegs.HI.UL[1]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[4], cpuRegs.LO.UL[2]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[5], cpuRegs.LO.UL[3]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[6], cpuRegs.HI.UL[2]);
PMFHL_CLAMP(cpuRegs.GPR.r[_Rd_].US[7], cpuRegs.HI.UL[3]);
break;
}
}
void PMTHL() {
if (_Sa_ != 0) return;
cpuRegs.LO.UL[0] = cpuRegs.GPR.r[_Rs_].UL[0];
cpuRegs.HI.UL[0] = cpuRegs.GPR.r[_Rs_].UL[1];
cpuRegs.LO.UL[2] = cpuRegs.GPR.r[_Rs_].UL[2];
cpuRegs.HI.UL[2] = cpuRegs.GPR.r[_Rs_].UL[3];
}
static __fi void _PSLLH(int n)
{
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].US[n] << ( _Sa_ & 0xf );
}
void PSLLH() {
if (!_Rd_) return;
_PSLLH(0); _PSLLH(1); _PSLLH(2); _PSLLH(3);
_PSLLH(4); _PSLLH(5); _PSLLH(6); _PSLLH(7);
}
static __fi void _PSRLH(int n)
{
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].US[n] >> ( _Sa_ & 0xf );
}
void PSRLH () {
if (!_Rd_) return;
_PSRLH(0); _PSRLH(1); _PSRLH(2); _PSRLH(3);
_PSRLH(4); _PSRLH(5); _PSRLH(6); _PSRLH(7);
}
static __fi void _PSRAH(int n)
{
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].SS[n] >> ( _Sa_ & 0xf );
}
void PSRAH() {
if (!_Rd_) return;
_PSRAH(0); _PSRAH(1); _PSRAH(2); _PSRAH(3);
_PSRAH(4); _PSRAH(5); _PSRAH(6); _PSRAH(7);
}
static __fi void _PSLLW(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rt_].UL[n] << _Sa_;
}
void PSLLW() {
if (!_Rd_) return;
_PSLLW(0); _PSLLW(1); _PSLLW(2); _PSLLW(3);
}
static __fi void _PSRLW(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rt_].UL[n] >> _Sa_;
}
void PSRLW() {
if (!_Rd_) return;
_PSRLW(0); _PSRLW(1); _PSRLW(2); _PSRLW(3);
}
static __fi void _PSRAW(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rt_].SL[n] >> _Sa_;
}
void PSRAW() {
if (!_Rd_) return;
_PSRAW(0); _PSRAW(1); _PSRAW(2); _PSRAW(3);
}
//*****************END OF MMI OPCODES**************************
//*************************MMI0 OPCODES************************
static __fi void _PADDW(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rs_].UL[n] + cpuRegs.GPR.r[_Rt_].UL[n];
}
void PADDW() {
if (!_Rd_) return;
_PADDW(0); _PADDW(1); _PADDW(2); _PADDW(3);
}
static __fi void _PSUBW(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rs_].UL[n] - cpuRegs.GPR.r[_Rt_].UL[n];
}
void PSUBW() {
if (!_Rd_) return;
_PSUBW(0); _PSUBW(1); _PSUBW(2); _PSUBW(3);
}
static __fi void _PCGTW(int n)
{
if (cpuRegs.GPR.r[_Rs_].SL[n] > cpuRegs.GPR.r[_Rt_].SL[n])
cpuRegs.GPR.r[_Rd_].UL[n] = 0xFFFFFFFF;
else
cpuRegs.GPR.r[_Rd_].UL[n] = 0x00000000;
}
void PCGTW() {
if (!_Rd_) return;
_PCGTW(0); _PCGTW(1); _PCGTW(2); _PCGTW(3);
}
static __fi void _PMAXW(int n)
{
if (cpuRegs.GPR.r[_Rs_].SL[n] > cpuRegs.GPR.r[_Rt_].SL[n])
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rs_].UL[n];
else
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rt_].UL[n];
}
void PMAXW() {
if (!_Rd_) return;
_PMAXW(0); _PMAXW(1); _PMAXW(2); _PMAXW(3);
}
static __fi void _PADDH(int n)
{
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rs_].US[n] + cpuRegs.GPR.r[_Rt_].US[n];
}
void PADDH() {
if (!_Rd_) return;
_PADDH(0); _PADDH(1); _PADDH(2); _PADDH(3);
_PADDH(4); _PADDH(5); _PADDH(6); _PADDH(7);
}
static __fi void _PSUBH(int n)
{
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rs_].US[n] - cpuRegs.GPR.r[_Rt_].US[n];
}
void PSUBH() {
if (!_Rd_) return;
_PSUBH(0); _PSUBH(1); _PSUBH(2); _PSUBH(3);
_PSUBH(4); _PSUBH(5); _PSUBH(6); _PSUBH(7);
}
static __fi void _PCGTH(int n)
{
if (cpuRegs.GPR.r[_Rs_].SS[n] > cpuRegs.GPR.r[_Rt_].SS[n])
cpuRegs.GPR.r[_Rd_].US[n] = 0xFFFF;
else
cpuRegs.GPR.r[_Rd_].US[n] = 0x0000;
}
void PCGTH() {
if (!_Rd_) return;
_PCGTH(0); _PCGTH(1); _PCGTH(2); _PCGTH(3);
_PCGTH(4); _PCGTH(5); _PCGTH(6); _PCGTH(7);
}
static __fi void _PMAXH(int n)
{
if (cpuRegs.GPR.r[_Rs_].SS[n] > cpuRegs.GPR.r[_Rt_].SS[n])
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rs_].US[n];
else
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].US[n];
}
void PMAXH() {
if (!_Rd_) return;
_PMAXH(0); _PMAXH(1); _PMAXH(2); _PMAXH(3);
_PMAXH(4); _PMAXH(5); _PMAXH(6); _PMAXH(7);
}
static __fi void _PADDB(int n)
{
cpuRegs.GPR.r[_Rd_].SC[n] = cpuRegs.GPR.r[_Rs_].SC[n] + cpuRegs.GPR.r[_Rt_].SC[n];
}
void PADDB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PADDB( i );
}
static __fi void _PSUBB(int n)
{
cpuRegs.GPR.r[_Rd_].SC[n] = cpuRegs.GPR.r[_Rs_].SC[n] - cpuRegs.GPR.r[_Rt_].SC[n];
}
void PSUBB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PSUBB( i );
}
static __fi void _PCGTB(int n)
{
if (cpuRegs.GPR.r[_Rs_].SC[n] > cpuRegs.GPR.r[_Rt_].SC[n])
cpuRegs.GPR.r[_Rd_].UC[n] = 0xFF;
else
cpuRegs.GPR.r[_Rd_].UC[n] = 0x00;
}
void PCGTB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PCGTB( i );
}
static __fi void _PADDSW(int n)
{
s64 sTemp64;
sTemp64 = (s64)cpuRegs.GPR.r[_Rs_].SL[n] + (s64)cpuRegs.GPR.r[_Rt_].SL[n];
if (sTemp64 > 0x7FFFFFFF)
cpuRegs.GPR.r[_Rd_].UL[n] = 0x7FFFFFFF;
else if ((sTemp64 < (s32)0x80000000) )
cpuRegs.GPR.r[_Rd_].UL[n] = 0x80000000LL;
else
cpuRegs.GPR.r[_Rd_].UL[n] = (s32)sTemp64;
}
void PADDSW() {
if (!_Rd_) return;
_PADDSW(0); _PADDSW(1); _PADDSW(2); _PADDSW(3);
}
static __fi void _PSUBSW(int n)
{
s64 sTemp64;
sTemp64 = (s64)cpuRegs.GPR.r[_Rs_].SL[n] - (s64)cpuRegs.GPR.r[_Rt_].SL[n];
if (sTemp64 >= 0x7FFFFFFF)
cpuRegs.GPR.r[_Rd_].UL[n] = 0x7FFFFFFF;
else if ((sTemp64 < (s32)0x80000000))
cpuRegs.GPR.r[_Rd_].UL[n] = 0x80000000;
else
cpuRegs.GPR.r[_Rd_].UL[n] = (s32)sTemp64;
}
void PSUBSW() {
if (!_Rd_) return;
_PSUBSW(0);
_PSUBSW(1);
_PSUBSW(2);
_PSUBSW(3);
}
void PEXTLW() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = Rs.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = Rt.UL[1];
cpuRegs.GPR.r[_Rd_].UL[3] = Rs.UL[1];
}
void PPACW() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = Rt.UL[2];
cpuRegs.GPR.r[_Rd_].UL[2] = Rs.UL[0];
cpuRegs.GPR.r[_Rd_].UL[3] = Rs.UL[2];
}
__fi void _PADDSH(int n)
{
s32 sTemp32;
sTemp32 = (s32)cpuRegs.GPR.r[_Rs_].SS[n] + (s32)cpuRegs.GPR.r[_Rt_].SS[n];
if (sTemp32 > 0x7FFF)
cpuRegs.GPR.r[_Rd_].US[n] = 0x7FFF;
else if ((sTemp32 < (s32)0xffff8000) )
cpuRegs.GPR.r[_Rd_].US[n] = 0x8000;
else
cpuRegs.GPR.r[_Rd_].US[n] = (s16)sTemp32;
}
void PADDSH() {
if (!_Rd_) return;
_PADDSH(0); _PADDSH(1); _PADDSH(2); _PADDSH(3);
_PADDSH(4); _PADDSH(5); _PADDSH(6); _PADDSH(7);
}
__fi void _PSUBSH(int n)
{
s32 sTemp32;
sTemp32 = (s32)cpuRegs.GPR.r[_Rs_].SS[n] - (s32)cpuRegs.GPR.r[_Rt_].SS[n];
if (sTemp32 >= 0x7FFF)
cpuRegs.GPR.r[_Rd_].US[n] = 0x7FFF;
else if ((sTemp32 < (s32)0xffff8000) )
cpuRegs.GPR.r[_Rd_].US[n] = 0x8000;
else
cpuRegs.GPR.r[_Rd_].US[n] = (s16)sTemp32;
}
void PSUBSH() {
if (!_Rd_) return;
_PSUBSH(0); _PSUBSH(1); _PSUBSH(2); _PSUBSH(3);
_PSUBSH(4); _PSUBSH(5); _PSUBSH(6); _PSUBSH(7);
}
void PEXTLH() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rs.US[0];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[1];
cpuRegs.GPR.r[_Rd_].US[3] = Rs.US[1];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[5] = Rs.US[2];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[3];
cpuRegs.GPR.r[_Rd_].US[7] = Rs.US[3];
}
void PPACH() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[3] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[4] = Rs.US[0];
cpuRegs.GPR.r[_Rd_].US[5] = Rs.US[2];
cpuRegs.GPR.r[_Rd_].US[6] = Rs.US[4];
cpuRegs.GPR.r[_Rd_].US[7] = Rs.US[6];
}
__fi void _PADDSB(int n)
{
s16 sTemp16;
sTemp16 = (s16)cpuRegs.GPR.r[_Rs_].SC[n] + (s16)cpuRegs.GPR.r[_Rt_].SC[n];
if (sTemp16 > 0x7F)
cpuRegs.GPR.r[_Rd_].UC[n] = 0x7F;
else if (sTemp16 < /*(s16)0xff80*/(s16)-128) // be sure
cpuRegs.GPR.r[_Rd_].UC[n] = 0x80;
else
cpuRegs.GPR.r[_Rd_].UC[n] = (s8)sTemp16;
}
void PADDSB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PADDSB(i);
}
static __fi void _PSUBSB( u8 n )
{
s16 sTemp16;
sTemp16 = (s16)cpuRegs.GPR.r[_Rs_].SC[n] - (s16)cpuRegs.GPR.r[_Rt_].SC[n];
if (sTemp16 >= 0x7F)
cpuRegs.GPR.r[_Rd_].UC[n] = 0x7F;
else if (sTemp16 < /*(s16)0xff80*/(s16)-128) // be sure
cpuRegs.GPR.r[_Rd_].UC[n] = 0x80;
else
cpuRegs.GPR.r[_Rd_].UC[n] = (s8)sTemp16;
}
void PSUBSB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PSUBSB(i);
}
void PEXTLB() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UC[0] = Rt.UC[0];
cpuRegs.GPR.r[_Rd_].UC[1] = Rs.UC[0];
cpuRegs.GPR.r[_Rd_].UC[2] = Rt.UC[1];
cpuRegs.GPR.r[_Rd_].UC[3] = Rs.UC[1];
cpuRegs.GPR.r[_Rd_].UC[4] = Rt.UC[2];
cpuRegs.GPR.r[_Rd_].UC[5] = Rs.UC[2];
cpuRegs.GPR.r[_Rd_].UC[6] = Rt.UC[3];
cpuRegs.GPR.r[_Rd_].UC[7] = Rs.UC[3];
cpuRegs.GPR.r[_Rd_].UC[8] = Rt.UC[4];
cpuRegs.GPR.r[_Rd_].UC[9] = Rs.UC[4];
cpuRegs.GPR.r[_Rd_].UC[10] = Rt.UC[5];
cpuRegs.GPR.r[_Rd_].UC[11] = Rs.UC[5];
cpuRegs.GPR.r[_Rd_].UC[12] = Rt.UC[6];
cpuRegs.GPR.r[_Rd_].UC[13] = Rs.UC[6];
cpuRegs.GPR.r[_Rd_].UC[14] = Rt.UC[7];
cpuRegs.GPR.r[_Rd_].UC[15] = Rs.UC[7];
}
void PPACB() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UC[0] = Rt.UC[0];
cpuRegs.GPR.r[_Rd_].UC[1] = Rt.UC[2];
cpuRegs.GPR.r[_Rd_].UC[2] = Rt.UC[4];
cpuRegs.GPR.r[_Rd_].UC[3] = Rt.UC[6];
cpuRegs.GPR.r[_Rd_].UC[4] = Rt.UC[8];
cpuRegs.GPR.r[_Rd_].UC[5] = Rt.UC[10];
cpuRegs.GPR.r[_Rd_].UC[6] = Rt.UC[12];
cpuRegs.GPR.r[_Rd_].UC[7] = Rt.UC[14];
cpuRegs.GPR.r[_Rd_].UC[8] = Rs.UC[0];
cpuRegs.GPR.r[_Rd_].UC[9] = Rs.UC[2];
cpuRegs.GPR.r[_Rd_].UC[10] = Rs.UC[4];
cpuRegs.GPR.r[_Rd_].UC[11] = Rs.UC[6];
cpuRegs.GPR.r[_Rd_].UC[12] = Rs.UC[8];
cpuRegs.GPR.r[_Rd_].UC[13] = Rs.UC[10];
cpuRegs.GPR.r[_Rd_].UC[14] = Rs.UC[12];
cpuRegs.GPR.r[_Rd_].UC[15] = Rs.UC[14];
}
__fi void _PEXT5(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] =
((cpuRegs.GPR.r[_Rt_].UL[n] & 0x0000001F) << 3) |
((cpuRegs.GPR.r[_Rt_].UL[n] & 0x000003E0) << 6) |
((cpuRegs.GPR.r[_Rt_].UL[n] & 0x00007C00) << 9) |
((cpuRegs.GPR.r[_Rt_].UL[n] & 0x00008000) << 16);
}
void PEXT5() {
if (!_Rd_) return;
_PEXT5(0); _PEXT5(1); _PEXT5(2); _PEXT5(3);
}
__fi void _PPAC5(int n)
{
cpuRegs.GPR.r[_Rd_].UL[n] =
((cpuRegs.GPR.r[_Rt_].UL[n] >> 3) & 0x0000001F) |
((cpuRegs.GPR.r[_Rt_].UL[n] >> 6) & 0x000003E0) |
((cpuRegs.GPR.r[_Rt_].UL[n] >> 9) & 0x00007C00) |
((cpuRegs.GPR.r[_Rt_].UL[n] >> 16) & 0x00008000);
}
void PPAC5() {
if (!_Rd_) return;
_PPAC5(0); _PPAC5(1); _PPAC5(2); _PPAC5(3);
}
//***END OF MMI0 OPCODES******************************************
//**********MMI1 OPCODES**************************************
static __fi void _PABSW(int n)
{
if (cpuRegs.GPR.r[_Rt_].UL[n] == 0x80000000)
cpuRegs.GPR.r[_Rd_].UL[n] = 0x7fffffff; //clamp
else if (cpuRegs.GPR.r[_Rt_].SL[n] < 0)
cpuRegs.GPR.r[_Rd_].UL[n] = - cpuRegs.GPR.r[_Rt_].SL[n];
else
cpuRegs.GPR.r[_Rd_].UL[n] = cpuRegs.GPR.r[_Rt_].SL[n];
}
void PABSW() {
if (!_Rd_) return;
_PABSW(0); _PABSW(1); _PABSW(2); _PABSW(3);
}
static __fi void _PCEQW(int n)
{
if (cpuRegs.GPR.r[_Rs_].UL[n] == cpuRegs.GPR.r[_Rt_].UL[n])
cpuRegs.GPR.r[_Rd_].UL[n] = 0xFFFFFFFF;
else
cpuRegs.GPR.r[_Rd_].UL[n] = 0x00000000;
}
void PCEQW() {
if (!_Rd_) return;
_PCEQW(0); _PCEQW(1); _PCEQW(2); _PCEQW(3);
}
static __fi void _PMINW( u8 n )
{
if (cpuRegs.GPR.r[_Rs_].SL[n] < cpuRegs.GPR.r[_Rt_].SL[n])
cpuRegs.GPR.r[_Rd_].SL[n] = cpuRegs.GPR.r[_Rs_].SL[n];
else
cpuRegs.GPR.r[_Rd_].SL[n] = cpuRegs.GPR.r[_Rt_].SL[n];
}
void PMINW() {
if (!_Rd_) return;
_PMINW(0); _PMINW(1); _PMINW(2); _PMINW(3);
}
void PADSBH() {
if (!_Rd_) return;
_PSUBH(0); _PSUBH(1); _PSUBH(2); _PSUBH(3);
_PADDH(4); _PADDH(5); _PADDH(6); _PADDH(7);
}
static __fi void _PABSH(int n)
{
if (cpuRegs.GPR.r[_Rt_].US[n] == 0x8000)
cpuRegs.GPR.r[_Rd_].US[n] = 0x7fff; //clamp
else if (cpuRegs.GPR.r[_Rt_].SS[n] < 0)
cpuRegs.GPR.r[_Rd_].US[n] = - cpuRegs.GPR.r[_Rt_].SS[n];
else
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].SS[n];
}
void PABSH() {
if (!_Rd_) return;
_PABSH(0); _PABSH(1); _PABSH(2); _PABSH(3);
_PABSH(4); _PABSH(5); _PABSH(6); _PABSH(7);
}
static __fi void _PCEQH( u8 n )
{
if (cpuRegs.GPR.r[_Rs_].US[n] == cpuRegs.GPR.r[_Rt_].US[n])
cpuRegs.GPR.r[_Rd_].US[n] = 0xFFFF;
else
cpuRegs.GPR.r[_Rd_].US[n] = 0x0000;
}
void PCEQH() {
if (!_Rd_) return;
_PCEQH(0); _PCEQH(1); _PCEQH(2); _PCEQH(3);
_PCEQH(4); _PCEQH(5); _PCEQH(6); _PCEQH(7);
}
static __fi void _PMINH( u8 n )
{
if (cpuRegs.GPR.r[_Rs_].SS[n] < cpuRegs.GPR.r[_Rt_].SS[n])
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rs_].US[n];
else
cpuRegs.GPR.r[_Rd_].US[n] = cpuRegs.GPR.r[_Rt_].US[n];
}
void PMINH() {
if (!_Rd_) return;
_PMINH(0); _PMINH(1); _PMINH(2); _PMINH(3);
_PMINH(4); _PMINH(5); _PMINH(6); _PMINH(7);
}
__fi void _PCEQB(int n)
{
if (cpuRegs.GPR.r[_Rs_].UC[n] == cpuRegs.GPR.r[_Rt_].UC[n])
cpuRegs.GPR.r[_Rd_].UC[n] = 0xFF;
else
cpuRegs.GPR.r[_Rd_].UC[n] = 0x00;
}
void PCEQB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PCEQB(i);
}
__fi void _PADDUW(int n)
{
s64 tmp;
tmp = (s64)cpuRegs.GPR.r[_Rs_].UL[n] + (s64)cpuRegs.GPR.r[_Rt_].UL[n];
if (tmp > 0xffffffff)
cpuRegs.GPR.r[_Rd_].UL[n] = 0xffffffff;
else
cpuRegs.GPR.r[_Rd_].UL[n] = (u32)tmp;
}
void PADDUW () {
if (!_Rd_) return;
_PADDUW(0); _PADDUW(1); _PADDUW(2); _PADDUW(3);
}
__fi void _PSUBUW(int n)
{
s64 sTemp64;
sTemp64 = (s64)cpuRegs.GPR.r[_Rs_].UL[n] - (s64)cpuRegs.GPR.r[_Rt_].UL[n];
if (sTemp64 <= 0x0)
cpuRegs.GPR.r[_Rd_].UL[n] = 0x0;
else
cpuRegs.GPR.r[_Rd_].UL[n] = (u32)sTemp64;
}
void PSUBUW() {
if (!_Rd_) return;
_PSUBUW(0); _PSUBUW(1); _PSUBUW(2); _PSUBUW(3);
}
void PEXTUW() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[2];
cpuRegs.GPR.r[_Rd_].UL[1] = Rs.UL[2];
cpuRegs.GPR.r[_Rd_].UL[2] = Rt.UL[3];
cpuRegs.GPR.r[_Rd_].UL[3] = Rs.UL[3];
}
__fi void _PADDUH(int n)
{
s32 sTemp32;
sTemp32 = (s32)cpuRegs.GPR.r[_Rs_].US[n] + (s32)cpuRegs.GPR.r[_Rt_].US[n];
if (sTemp32 > 0xFFFF)
cpuRegs.GPR.r[_Rd_].US[n] = 0xFFFF;
else
cpuRegs.GPR.r[_Rd_].US[n] = (u16)sTemp32;
}
void PADDUH() {
if (!_Rd_) return;
_PADDUH(0); _PADDUH(1); _PADDUH(2); _PADDUH(3);
_PADDUH(4); _PADDUH(5); _PADDUH(6); _PADDUH(7);
}
__fi void _PSUBUH(int n)
{
s32 sTemp32;
sTemp32 = (s32)cpuRegs.GPR.r[_Rs_].US[n] - (s32)cpuRegs.GPR.r[_Rt_].US[n];
if (sTemp32 <= 0x0)
cpuRegs.GPR.r[_Rd_].US[n] = 0x0;
else
cpuRegs.GPR.r[_Rd_].US[n] = (u16)sTemp32;
}
void PSUBUH() {
if (!_Rd_) return;
_PSUBUH(0); _PSUBUH(1); _PSUBUH(2); _PSUBUH(3);
_PSUBUH(4); _PSUBUH(5); _PSUBUH(6); _PSUBUH(7);
}
void PEXTUH() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[1] = Rs.US[4];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[5];
cpuRegs.GPR.r[_Rd_].US[3] = Rs.US[5];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[5] = Rs.US[6];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[7];
cpuRegs.GPR.r[_Rd_].US[7] = Rs.US[7];
}
__fi void _PADDUB(int n)
{
u16 Temp16;
Temp16 = (u16)cpuRegs.GPR.r[_Rs_].UC[n] + (u16)cpuRegs.GPR.r[_Rt_].UC[n];
if (Temp16 > 0xFF)
cpuRegs.GPR.r[_Rd_].UC[n] = 0xFF;
else
cpuRegs.GPR.r[_Rd_].UC[n] = (u8)Temp16;
}
void PADDUB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PADDUB(i);
}
__fi void _PSUBUB(int n) {
s16 sTemp16;
sTemp16 = (s16)cpuRegs.GPR.r[_Rs_].UC[n] - (s16)cpuRegs.GPR.r[_Rt_].UC[n];
if (sTemp16 <= 0x0)
cpuRegs.GPR.r[_Rd_].UC[n] = 0x0;
else
cpuRegs.GPR.r[_Rd_].UC[n] = (u8)sTemp16;
}
void PSUBUB() {
int i;
if (!_Rd_) return;
for( i=0; i<16; i++ )
_PSUBUB(i);
}
void PEXTUB() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UC[0] = Rt.UC[8];
cpuRegs.GPR.r[_Rd_].UC[1] = Rs.UC[8];
cpuRegs.GPR.r[_Rd_].UC[2] = Rt.UC[9];
cpuRegs.GPR.r[_Rd_].UC[3] = Rs.UC[9];
cpuRegs.GPR.r[_Rd_].UC[4] = Rt.UC[10];
cpuRegs.GPR.r[_Rd_].UC[5] = Rs.UC[10];
cpuRegs.GPR.r[_Rd_].UC[6] = Rt.UC[11];
cpuRegs.GPR.r[_Rd_].UC[7] = Rs.UC[11];
cpuRegs.GPR.r[_Rd_].UC[8] = Rt.UC[12];
cpuRegs.GPR.r[_Rd_].UC[9] = Rs.UC[12];
cpuRegs.GPR.r[_Rd_].UC[10] = Rt.UC[13];
cpuRegs.GPR.r[_Rd_].UC[11] = Rs.UC[13];
cpuRegs.GPR.r[_Rd_].UC[12] = Rt.UC[14];
cpuRegs.GPR.r[_Rd_].UC[13] = Rs.UC[14];
cpuRegs.GPR.r[_Rd_].UC[14] = Rt.UC[15];
cpuRegs.GPR.r[_Rd_].UC[15] = Rs.UC[15];
}
//int saZero = 0;
void QFSRV() { // JayteeMaster: changed a bit to avoid screw up
GPR_reg Rd;
if (!_Rd_) return;
u32 sa_amt = cpuRegs.sa << 3;
if (sa_amt == 0) {
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rt_].UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rt_].UD[1];
//saZero++;
//if( saZero >= 388800 )
//Console.WriteLn( "SA Is Zero, Bitch: %d zeros and counting.", saZero );
} else {
//Console.WriteLn( "SA Properly Valued at: %d (after %d zeros)", sa_amt, saZero );
//saZero = 0;
if (sa_amt < 64) {
/*
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rt_].UD[0] >> sa_amt;
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rt_].UD[1] >> sa_amt;
cpuRegs.GPR.r[_Rd_].UD[0]|= cpuRegs.GPR.r[_Rt_].UD[1] << (64 - sa_amt);
cpuRegs.GPR.r[_Rd_].UD[1]|= cpuRegs.GPR.r[_Rs_].UD[0] << (64 - sa_amt);
*/
Rd.UD[0] = cpuRegs.GPR.r[_Rt_].UD[0] >> sa_amt;
Rd.UD[1] = cpuRegs.GPR.r[_Rt_].UD[1] >> sa_amt;
Rd.UD[0]|= cpuRegs.GPR.r[_Rt_].UD[1] << (64 - sa_amt);
Rd.UD[1]|= cpuRegs.GPR.r[_Rs_].UD[0] << (64 - sa_amt);
cpuRegs.GPR.r[_Rd_] = Rd;
} else {
/*
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rt_].UD[1] >> (sa_amt - 64);
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rs_].UD[0] >> (sa_amt - 64);
cpuRegs.GPR.r[_Rd_].UD[0]|= cpuRegs.GPR.r[_Rs_].UD[0] << (128 - sa_amt);
cpuRegs.GPR.r[_Rd_].UD[1]|= cpuRegs.GPR.r[_Rs_].UD[1] << (128 - sa_amt);
*/
Rd.UD[0] = cpuRegs.GPR.r[_Rt_].UD[1] >> (sa_amt - 64);
Rd.UD[1] = cpuRegs.GPR.r[_Rs_].UD[0] >> (sa_amt - 64);
Rd.UD[0]|= cpuRegs.GPR.r[_Rs_].UD[0] << (128 - sa_amt);
Rd.UD[1]|= cpuRegs.GPR.r[_Rs_].UD[1] << (128 - sa_amt);
cpuRegs.GPR.r[_Rd_] = Rd;
}
}
}
//********END OF MMI1 OPCODES***********************************
//*********MMI2 OPCODES***************************************
static __fi void _PMADDW(int dd, int ss)
{
s64 temp = (s64)((s64)cpuRegs.LO.SL[ss] | ((s64)cpuRegs.HI.SL[ss] << 32)) +
((s64)cpuRegs.GPR.r[_Rs_].SL[ss] * (s64)cpuRegs.GPR.r[_Rt_].SL[ss]);
cpuRegs.LO.SD[dd] = (s32)(temp & 0xffffffff);
cpuRegs.HI.SD[dd] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[dd] = temp;
}
void PMADDW() {
_PMADDW(0, 0);
_PMADDW(1, 2);
}
void PSLLVW() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].SD[0] = (s64)(s32)(cpuRegs.GPR.r[_Rt_].UL[0] <<
(cpuRegs.GPR.r[_Rs_].UL[0] & 0x1F));
cpuRegs.GPR.r[_Rd_].SD[1] = (s64)(s32)(cpuRegs.GPR.r[_Rt_].UL[2] <<
(cpuRegs.GPR.r[_Rs_].UL[2] & 0x1F));
}
void PSRLVW() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].SD[0] = (s64)(s32)(cpuRegs.GPR.r[_Rt_].UL[0] >>
(cpuRegs.GPR.r[_Rs_].UL[0] & 0x1F));
cpuRegs.GPR.r[_Rd_].SD[1] = (s64)(s32)(cpuRegs.GPR.r[_Rt_].UL[2] >>
(cpuRegs.GPR.r[_Rs_].UL[2] & 0x1F));
}
__fi void _PMSUBW(int dd, int ss)
{
s64 temp = (s64)((s64)cpuRegs.LO.SL[ss] | ((s64)cpuRegs.HI.SL[ss] << 32)) -
((s64)cpuRegs.GPR.r[_Rs_].SL[ss] * (s64)cpuRegs.GPR.r[_Rt_].SL[ss]);
cpuRegs.LO.SD[dd] = (s32)(temp & 0xffffffff);
cpuRegs.HI.SD[dd] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[dd] = temp;
}
void PMSUBW() {
_PMSUBW(0, 0);
_PMSUBW(1, 2);
}
void PMFHI() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.HI.UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.HI.UD[1];
}
void PMFLO() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.LO.UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.LO.UD[1];
}
void PINTH() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rs.US[4];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[1];
cpuRegs.GPR.r[_Rd_].US[3] = Rs.US[5];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[5] = Rs.US[6];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[3];
cpuRegs.GPR.r[_Rd_].US[7] = Rs.US[7];
}
__fi void _PMULTW(int dd, int ss)
{
s64 temp = (s64)cpuRegs.GPR.r[_Rs_].SL[ss] * (s64)cpuRegs.GPR.r[_Rt_].SL[ss];
cpuRegs.LO.UD[dd] = (s32)(temp & 0xffffffff);
cpuRegs.HI.UD[dd] = (s32)(temp >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].SD[dd] = temp;
}
void PMULTW() {
_PMULTW(0, 0);
_PMULTW(1, 2);
}
__fi void _PDIVW(int dd, int ss)
{
if (cpuRegs.GPR.r[_Rs_].UL[ss] == 0x80000000 && cpuRegs.GPR.r[_Rt_].UL[ss] == 0xffffffff)
{
cpuRegs.LO.SD[dd] = (s32)0x80000000;
cpuRegs.HI.SD[dd] = (s32)0;
}
else if (cpuRegs.GPR.r[_Rt_].SL[ss] != 0)
{
cpuRegs.LO.SD[dd] = cpuRegs.GPR.r[_Rs_].SL[ss] / cpuRegs.GPR.r[_Rt_].SL[ss];
cpuRegs.HI.SD[dd] = cpuRegs.GPR.r[_Rs_].SL[ss] % cpuRegs.GPR.r[_Rt_].SL[ss];
}
else
{
cpuRegs.LO.SD[dd] = (cpuRegs.GPR.r[_Rs_].SL[ss] < 0) ? 1 : -1;
cpuRegs.HI.SD[dd] = cpuRegs.GPR.r[_Rs_].SL[ss];
}
}
void PDIVW() {
_PDIVW(0, 0);
_PDIVW(1, 2);
}
void PCPYLD() {
if (!_Rd_) return;
// note: first _Rs_, since the other way when _Rd_ equals
// _Rs_ or _Rt_ this would screw up
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rs_].UD[0];
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rt_].UD[0];
}
void PMADDH() { // JayteeMaster: changed a bit to avoid screw up
s32 temp;
temp = cpuRegs.LO.UL[0] + (s32)cpuRegs.GPR.r[_Rs_].SS[0] * (s32)cpuRegs.GPR.r[_Rt_].SS[0];
cpuRegs.LO.UL[0] = temp;
/* if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[0] = temp; */
temp = cpuRegs.LO.UL[1] + (s32)cpuRegs.GPR.r[_Rs_].SS[1] * (s32)cpuRegs.GPR.r[_Rt_].SS[1];
cpuRegs.LO.UL[1] = temp;
temp = cpuRegs.HI.UL[0] + (s32)cpuRegs.GPR.r[_Rs_].SS[2] * (s32)cpuRegs.GPR.r[_Rt_].SS[2];
cpuRegs.HI.UL[0] = temp;
/* if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[1] = temp; */
temp = cpuRegs.HI.UL[1] + (s32)cpuRegs.GPR.r[_Rs_].SS[3] * (s32)cpuRegs.GPR.r[_Rt_].SS[3];
cpuRegs.HI.UL[1] = temp;
temp = cpuRegs.LO.UL[2] + (s32)cpuRegs.GPR.r[_Rs_].SS[4] * (s32)cpuRegs.GPR.r[_Rt_].SS[4];
cpuRegs.LO.UL[2] = temp;
/* if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[2] = temp; */
temp = cpuRegs.LO.UL[3] + (s32)cpuRegs.GPR.r[_Rs_].SS[5] * (s32)cpuRegs.GPR.r[_Rt_].SS[5];
cpuRegs.LO.UL[3] = temp;
temp = cpuRegs.HI.UL[2] + (s32)cpuRegs.GPR.r[_Rs_].SS[6] * (s32)cpuRegs.GPR.r[_Rt_].SS[6];
cpuRegs.HI.UL[2] = temp;
/* if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[3] = temp; */
temp = cpuRegs.HI.UL[3] + (s32)cpuRegs.GPR.r[_Rs_].SS[7] * (s32)cpuRegs.GPR.r[_Rt_].SS[7];
cpuRegs.HI.UL[3] = temp;
if (_Rd_) {
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
}
}
// JayteeMaster: changed a bit to avoid screw up
__fi void _PHMADH_LO(int dd, int n)
{
s32 firsttemp = (s32)cpuRegs.GPR.r[_Rs_].SS[n+1] * (s32)cpuRegs.GPR.r[_Rt_].SS[n+1];
s32 temp = firsttemp + (s32)cpuRegs.GPR.r[_Rs_].SS[n] * (s32)cpuRegs.GPR.r[_Rt_].SS[n];
cpuRegs.LO.UL[dd] = temp;
cpuRegs.LO.UL[dd+1] = firsttemp;
}
__fi void _PHMADH_HI(int dd, int n)
{
s32 firsttemp = (s32)cpuRegs.GPR.r[_Rs_].SS[n+1] * (s32)cpuRegs.GPR.r[_Rt_].SS[n+1];
s32 temp = firsttemp + (s32)cpuRegs.GPR.r[_Rs_].SS[n] * (s32)cpuRegs.GPR.r[_Rt_].SS[n];
cpuRegs.HI.UL[dd] = temp;
cpuRegs.HI.UL[dd+1] = firsttemp;
}
void PHMADH() { // JayteeMaster: changed a bit to avoid screw up. Also used 0,2,4,6 instead of 0,1,2,3
_PHMADH_LO(0, 0);
_PHMADH_HI(0, 2);
_PHMADH_LO(2, 4);
_PHMADH_HI(2, 6);
if (_Rd_) {
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
}
}
void PAND() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] & cpuRegs.GPR.r[_Rt_].UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rs_].UD[1] & cpuRegs.GPR.r[_Rt_].UD[1];
}
void PXOR() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] ^ cpuRegs.GPR.r[_Rt_].UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rs_].UD[1] ^ cpuRegs.GPR.r[_Rt_].UD[1];
}
void PMSUBH() { // JayteeMaster: changed a bit to avoid screw up
s32 temp;
temp = cpuRegs.LO.UL[0] - (s32)cpuRegs.GPR.r[_Rs_].SS[0] * (s32)cpuRegs.GPR.r[_Rt_].SS[0];
cpuRegs.LO.UL[0] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[0] = temp;*/
temp = cpuRegs.LO.UL[1] - (s32)cpuRegs.GPR.r[_Rs_].SS[1] * (s32)cpuRegs.GPR.r[_Rt_].SS[1];
cpuRegs.LO.UL[1] = temp;
temp = cpuRegs.HI.UL[0] - (s32)cpuRegs.GPR.r[_Rs_].SS[2] * (s32)cpuRegs.GPR.r[_Rt_].SS[2];
cpuRegs.HI.UL[0] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[1] = temp;*/
temp = cpuRegs.HI.UL[1] - (s32)cpuRegs.GPR.r[_Rs_].SS[3] * (s32)cpuRegs.GPR.r[_Rt_].SS[3];
cpuRegs.HI.UL[1] = temp;
temp = cpuRegs.LO.UL[2] - (s32)cpuRegs.GPR.r[_Rs_].SS[4] * (s32)cpuRegs.GPR.r[_Rt_].SS[4];
cpuRegs.LO.UL[2] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[2] = temp;*/
temp = cpuRegs.LO.UL[3] - (s32)cpuRegs.GPR.r[_Rs_].SS[5] * (s32)cpuRegs.GPR.r[_Rt_].SS[5];
cpuRegs.LO.UL[3] = temp;
temp = cpuRegs.HI.UL[2] - (s32)cpuRegs.GPR.r[_Rs_].SS[6] * (s32)cpuRegs.GPR.r[_Rt_].SS[6];
cpuRegs.HI.UL[2] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[3] = temp;*/
temp = cpuRegs.HI.UL[3] - (s32)cpuRegs.GPR.r[_Rs_].SS[7] * (s32)cpuRegs.GPR.r[_Rt_].SS[7];
cpuRegs.HI.UL[3] = temp;
if (_Rd_) {
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
}
}
// JayteeMaster: changed a bit to avoid screw up
static __fi void _PHMSBH_LO(int dd, int n, int rdd)
{
s32 firsttemp = (s32)cpuRegs.GPR.r[_Rs_].SS[n+1] * (s32)cpuRegs.GPR.r[_Rt_].SS[n+1];
s32 temp = firsttemp - (s32)cpuRegs.GPR.r[_Rs_].SS[n] * (s32)cpuRegs.GPR.r[_Rt_].SS[n];
cpuRegs.LO.UL[dd] = temp;
cpuRegs.LO.UL[dd+1] = ~firsttemp;
}
static __fi void _PHMSBH_HI(int dd, int n, int rdd)
{
s32 firsttemp = (s32)cpuRegs.GPR.r[_Rs_].SS[n+1] * (s32)cpuRegs.GPR.r[_Rt_].SS[n+1];
s32 temp = firsttemp - (s32)cpuRegs.GPR.r[_Rs_].SS[n] * (s32)cpuRegs.GPR.r[_Rt_].SS[n];
cpuRegs.HI.UL[dd] = temp;
cpuRegs.HI.UL[dd+1] = ~firsttemp;
}
void PHMSBH() { // JayteeMaster: changed a bit to avoid screw up
_PHMSBH_LO(0, 0, 0);
_PHMSBH_HI(0, 2, 1);
_PHMSBH_LO(2, 4, 2);
_PHMSBH_HI(2, 6, 3);
if (_Rd_) {
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
}
}
void PEXEH() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[1] = Rt.US[1];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[3] = Rt.US[3];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[5] = Rt.US[5];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[7] = Rt.US[7];
}
void PREVH () {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[3];
cpuRegs.GPR.r[_Rd_].US[1] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[1];
cpuRegs.GPR.r[_Rd_].US[3] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[7];
cpuRegs.GPR.r[_Rd_].US[5] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[5];
cpuRegs.GPR.r[_Rd_].US[7] = Rt.US[4];
}
void PMULTH() { // JayteeMaster: changed a bit to avoid screw up
s32 temp;
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[0] * (s32)cpuRegs.GPR.r[_Rt_].SS[0];
cpuRegs.LO.UL[0] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[0] = temp;*/
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[1] * (s32)cpuRegs.GPR.r[_Rt_].SS[1];
cpuRegs.LO.UL[1] = temp;
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[2] * (s32)cpuRegs.GPR.r[_Rt_].SS[2];
cpuRegs.HI.UL[0] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[1] = temp;*/
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[3] * (s32)cpuRegs.GPR.r[_Rt_].SS[3];
cpuRegs.HI.UL[1] = temp;
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[4] * (s32)cpuRegs.GPR.r[_Rt_].SS[4];
cpuRegs.LO.UL[2] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[2] = temp;*/
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[5] * (s32)cpuRegs.GPR.r[_Rt_].SS[5];
cpuRegs.LO.UL[3] = temp;
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[6] * (s32)cpuRegs.GPR.r[_Rt_].SS[6];
cpuRegs.HI.UL[2] = temp;
/*if (_Rd_) cpuRegs.GPR.r[_Rd_].UL[3] = temp;*/
temp = (s32)cpuRegs.GPR.r[_Rs_].SS[7] * (s32)cpuRegs.GPR.r[_Rt_].SS[7];
cpuRegs.HI.UL[3] = temp;
if (_Rd_) {
cpuRegs.GPR.r[_Rd_].UL[0] = cpuRegs.LO.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = cpuRegs.HI.UL[0];
cpuRegs.GPR.r[_Rd_].UL[2] = cpuRegs.LO.UL[2];
cpuRegs.GPR.r[_Rd_].UL[3] = cpuRegs.HI.UL[2];
}
}
__fi void _PDIVBW(int n)
{
if (cpuRegs.GPR.r[_Rs_].UL[n] == 0x80000000 && cpuRegs.GPR.r[_Rt_].US[0] == 0xffff)
{
cpuRegs.LO.SL[n] = (s32)0x80000000;
cpuRegs.HI.SL[n] = (s32)0x0;
}
else if (cpuRegs.GPR.r[_Rt_].US[0] != 0)
{
cpuRegs.LO.SL[n] = cpuRegs.GPR.r[_Rs_].SL[n] / cpuRegs.GPR.r[_Rt_].SS[0];
cpuRegs.HI.SL[n] = cpuRegs.GPR.r[_Rs_].SL[n] % cpuRegs.GPR.r[_Rt_].SS[0];
}
else
{
cpuRegs.LO.SL[n] = (cpuRegs.GPR.r[_Rs_].SL[n] < 0) ? 1 : -1;
cpuRegs.HI.SL[n] = cpuRegs.GPR.r[_Rs_].SL[n];
}
}
void PDIVBW() {
_PDIVBW(0); _PDIVBW(1); _PDIVBW(2); _PDIVBW(3);
}
void PEXEW() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[2];
cpuRegs.GPR.r[_Rd_].UL[1] = Rt.UL[1];
cpuRegs.GPR.r[_Rd_].UL[2] = Rt.UL[0];
cpuRegs.GPR.r[_Rd_].UL[3] = Rt.UL[3];
}
void PROT3W() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[1];
cpuRegs.GPR.r[_Rd_].UL[1] = Rt.UL[2];
cpuRegs.GPR.r[_Rd_].UL[2] = Rt.UL[0];
cpuRegs.GPR.r[_Rd_].UL[3] = Rt.UL[3];
}
//*****END OF MMI2 OPCODES***********************************
//*************************MMI3 OPCODES************************
static __fi void _PMADDUW(int dd, int ss)
{
u64 tempu = (u64)((u64)cpuRegs.LO.UL[ss] | ((u64)cpuRegs.HI.UL[ss] << 32)) + \
((u64)cpuRegs.GPR.r[_Rs_].UL[ss] * (u64)cpuRegs.GPR.r[_Rt_].UL[ss]);
cpuRegs.LO.SD[dd] = (s32)(tempu & 0xffffffff);
cpuRegs.HI.SD[dd] = (s32)(tempu >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].UD[dd] = tempu;
}
void PMADDUW() {
_PMADDUW(0, 0);
_PMADDUW(1, 2);
}
void PSRAVW() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].SD[0] = (s64)(cpuRegs.GPR.r[_Rt_].SL[0] >>
(cpuRegs.GPR.r[_Rs_].UL[0] & 0x1F));
cpuRegs.GPR.r[_Rd_].SD[1] = (s64)(cpuRegs.GPR.r[_Rt_].SL[2] >>
(cpuRegs.GPR.r[_Rs_].UL[2] & 0x1F));
}
void PMTHI() {
cpuRegs.HI.UD[0] = cpuRegs.GPR.r[_Rs_].UD[0];
cpuRegs.HI.UD[1] = cpuRegs.GPR.r[_Rs_].UD[1];
}
void PMTLO() {
cpuRegs.LO.UD[0] = cpuRegs.GPR.r[_Rs_].UD[0];
cpuRegs.LO.UD[1] = cpuRegs.GPR.r[_Rs_].UD[1];
}
void PINTEH() {
GPR_reg Rs, Rt;
if (!_Rd_) return;
Rs = cpuRegs.GPR.r[_Rs_]; Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rs.US[0];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[3] = Rs.US[2];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[5] = Rs.US[4];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[7] = Rs.US[6];
}
__fi void _PMULTUW(int dd, int ss)
{
u64 tempu = (u64)cpuRegs.GPR.r[_Rs_].UL[ss] * (u64)cpuRegs.GPR.r[_Rt_].UL[ss];
cpuRegs.LO.UD[dd] = (s32)(tempu & 0xffffffff);
cpuRegs.HI.UD[dd] = (s32)(tempu >> 32);
if (_Rd_) cpuRegs.GPR.r[_Rd_].UD[dd] = tempu;
}
void PMULTUW() {
_PMULTUW(0, 0);
_PMULTUW(1, 2);
}
__fi void _PDIVUW(int dd, int ss)
{
if (cpuRegs.GPR.r[_Rt_].UL[ss] != 0) {
cpuRegs.LO.SD[dd] = (s32)(cpuRegs.GPR.r[_Rs_].UL[ss] / cpuRegs.GPR.r[_Rt_].UL[ss]);
cpuRegs.HI.SD[dd] = (s32)(cpuRegs.GPR.r[_Rs_].UL[ss] % cpuRegs.GPR.r[_Rt_].UL[ss]);
}
else
{
cpuRegs.LO.SD[dd] = -1;
cpuRegs.HI.SD[dd] = cpuRegs.GPR.r[_Rs_].SL[ss];
}
}
void PDIVUW() {
_PDIVUW(0, 0);
_PDIVUW(1, 2);
}
void PCPYUD() {
if (!_Rd_) return;
// note: first _Rs_, since the other way when _Rd_ equals
// _Rs_ or _Rt_ this would screw up
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[1];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rt_].UD[1];
}
void POR() {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] | cpuRegs.GPR.r[_Rt_].UD[0];
cpuRegs.GPR.r[_Rd_].UD[1] = cpuRegs.GPR.r[_Rs_].UD[1] | cpuRegs.GPR.r[_Rt_].UD[1];
}
void PNOR () {
if (!_Rd_) return;
cpuRegs.GPR.r[_Rd_].UD[0] = ~(cpuRegs.GPR.r[_Rs_].UD[0] | cpuRegs.GPR.r[_Rt_].UD[0]);
cpuRegs.GPR.r[_Rd_].UD[1] = ~(cpuRegs.GPR.r[_Rs_].UD[1] | cpuRegs.GPR.r[_Rt_].UD[1]);
}
void PEXCH() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rt.US[2];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[1];
cpuRegs.GPR.r[_Rd_].US[3] = Rt.US[3];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[5] = Rt.US[6];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[5];
cpuRegs.GPR.r[_Rd_].US[7] = Rt.US[7];
}
void PCPYH() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].US[0] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[1] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[2] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[3] = Rt.US[0];
cpuRegs.GPR.r[_Rd_].US[4] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[5] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[6] = Rt.US[4];
cpuRegs.GPR.r[_Rd_].US[7] = Rt.US[4];
}
void PEXCW() {
GPR_reg Rt;
if (!_Rd_) return;
Rt = cpuRegs.GPR.r[_Rt_];
cpuRegs.GPR.r[_Rd_].UL[0] = Rt.UL[0];
cpuRegs.GPR.r[_Rd_].UL[1] = Rt.UL[2];
cpuRegs.GPR.r[_Rd_].UL[2] = Rt.UL[1];
cpuRegs.GPR.r[_Rd_].UL[3] = Rt.UL[3];
}
//**********************END OF MMI3 OPCODES********************
// obs:
// QFSRV not verified
}}} } // end namespace R5900::Interpreter::OpcodeImpl::MMI
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