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Implement VRCP in RSP Recompiler

This commit is contained in:
LegendOfDragoon 2015-09-25 04:11:49 -07:00
parent dc52573644
commit 97857ee3cd
1 changed files with 63 additions and 0 deletions
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63
Source/RSP/Recompiler Ops.c
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@ -74,6 +74,7 @@ DWORD BranchCompare = 0;
# define CompileVmadn /* Verified 12/17/2000 - Jabo */
#endif
#ifdef RSP_VectorMisc
# define CompileVrcp
# define CompileVrsqh
# define CompileVrcph
# define CompileVsaw /* Verified 12/17/2000 - Jabo */
@ -4478,7 +4479,69 @@ void Compile_Vector_VNXOR ( void ) {
}
void Compile_Vector_VRCP ( void ) {
char Reg[256];
int count, el, last;
BOOL bWriteToAccum = WriteToAccum(Low16BitAccum, CompilePC);
DWORD *end = NULL;
#ifndef CompileVrcp
Cheat_r4300iOpcode(RSP_Vector_VRCP,"RSP_Vector_VRCP");
return;
#endif
CPU_Message(" %X %s", CompilePC, RSPOpcodeName(RSPOpC.Hex, CompilePC));
el = EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)];
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.rt, el);
MoveSxVariableToX86regHalf(&RSP_Vect[RSPOpC.rt].HW[el], Reg, x86_ESI);
MoveConstToX86reg(0x7FFFFFFF, x86_EAX);
TestX86RegToX86Reg(x86_ESI, x86_ESI);
MoveX86RegToX86Reg(x86_ESI, x86_EDI);
JeLabel32("Done", 0);
end = (DWORD*)(RecompPos - 4);
MoveConstToX86reg(0xFFC0, x86_EBX);
ShiftRightSignImmed(x86_ESI, 31);
XorX86RegToX86Reg(x86_EDX, x86_EDX);
XorX86RegToX86Reg(x86_EDI, x86_ESI);
SubX86RegToX86Reg(x86_EDI, x86_ESI);
BsrX86RegToX86Reg(x86_ECX, x86_EDI);
XorConstToX86Reg(x86_ECX, 15);
ShiftRightUnsign(x86_EBX);
AndX86RegToX86Reg(x86_EDI, x86_EBX);
idivX86reg(x86_EDI);
MoveConstToX86reg(0xFFFF8000, x86_EBX);
BsrX86RegToX86Reg(x86_ECX, x86_EAX);
XorConstToX86Reg(x86_ECX, 31);
ShiftRightUnsign(x86_EBX);
AndX86RegToX86Reg(x86_EAX, x86_EBX);
XorX86RegToX86Reg(x86_EAX, x86_ESI);
x86_SetBranch32b(end, RecompPos);
if (bWriteToAccum != FALSE){
last = -1;
for (count = 0; count < 8; count++) {
el = EleSpec[RSPOpC.rs].B[count];
if (el != last) {
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.rt, el);
MoveVariableToX86regHalf(&RSP_Vect[RSPOpC.rt].UHW[el], Reg, x86_ECX);
last = el;
}
sprintf(Reg, "RSP_ACCUM[%i].HW[1]", count);
MoveX86regHalfToVariable(x86_ECX, &RSP_ACCUM[count].HW[1], Reg);
}
}
el = 7 - (RSPOpC.rd & 0x7);
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.sa, el);
MoveX86regHalfToVariable(x86_EAX, &RSP_Vect[RSPOpC.sa].HW[el], Reg);
MoveX86regToVariable(x86_EAX, &RecpResult.W, "RecpResult.W");
}
void Compile_Vector_VRCPL ( void ) {