ShuriZma
/
pcsx2
mirror of https://github.com/PCSX2/pcsx2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fixed some lower VU micro instructions; mostly flag checking stuff... 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@13 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-08-13 07:16:16 +00:00 committed by Gregory Hainaut
parent 05d6890ccf
commit 81c31a089e
1 changed files with 18 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
pcsx2/x86/iVUmicro.c
View File

@ -4910,8 +4910,8 @@ void recVUMI_FSAND( VURegs *VU, int info )
if(_Ft_ == 0) return;
ftreg = ALLOCVI(_Ft_, MODE_WRITE);
MOV32MtoR(ftreg, VU_VI_ADDR(REG_STATUS_FLAG, 1));
AND32ItoR( ftreg, 0xFF&imm ); // yes 0xff not 0xfff since only first 8 bits are valid!
MOV32MtoR( ftreg, VU_VI_ADDR(REG_STATUS_FLAG, 1) );
AND32ItoR( ftreg, imm );
}
void recVUMI_FSEQ( VURegs *VU, int info )
@ -4955,22 +4955,14 @@ void recVUMI_FSSET(VURegs *VU, int info)
// keep the low 6 bits ONLY if the upper instruction is an fmac instruction (otherwise rewrite) - metal gear solid 3
//if( (info & PROCESS_VU_SUPER) && VUREC_FMAC ) {
// MOV32MtoR(EAX, prevaddr);
// AND32ItoR(EAX, 0x3f);
// if ((imm&0xfc0) != 0) OR32ItoR(EAX, imm & 0xFC0);
// MOV32RtoM(writeaddr ? writeaddr : prevaddr, EAX);
MOV32MtoR(EAX, prevaddr);
AND32ItoR(EAX, 0x3f);
if ((imm&0xfc0) != 0) OR32ItoR(EAX, imm & 0xFC0);
MOV32RtoM(writeaddr ? writeaddr : prevaddr, EAX);
//}
//else {
// MOV32ItoM(writeaddr ? writeaddr : prevaddr, imm&0xfc0);
//}
if (writeaddr) {
AND32ItoM(writeaddr, 0x3f);
OR32ItoM(writeaddr, imm&0xfc0);
}
else {
AND32ItoM(prevaddr, 0x3f);
OR32ItoM(prevaddr, imm&0xfc0);
}
}
void recVUMI_FMAND( VURegs *VU, int info )
@ -4978,9 +4970,6 @@ void recVUMI_FMAND( VURegs *VU, int info )
int fsreg, ftreg;
if ( _Ft_ == 0 ) return;
//fsreg = ALLOCVI(_Fs_, MODE_READ); //_checkX86reg(X86TYPE_VI|(VU==&VU1?X86TYPE_VU1:0), _Fs_, MODE_READ);
//ftreg = ALLOCVI(_Ft_, MODE_WRITE);//|MODE_8BITREG);
if( _Ft_ != _Fs_ ) {
fsreg = ALLOCVI(_Fs_, MODE_READ);
ftreg = ALLOCVI(_Ft_, MODE_WRITE);
@ -4991,15 +4980,6 @@ void recVUMI_FMAND( VURegs *VU, int info )
ftreg = ALLOCVI(_Ft_, MODE_WRITE);
AND16MtoR( ftreg, VU_VI_ADDR(REG_MAC_FLAG, 1) );
}
/*
if( fsreg >= 0 ) {
if( ftreg != fsreg ) MOV32RtoR(ftreg, fsreg);
}
else MOV16MtoR(ftreg, VU_VI_ADDR(_Fs_, 1));
AND16MtoR( ftreg, VU_VI_ADDR(REG_MAC_FLAG, 1));
MOVZX32R8toR(ftreg, ftreg);
*/
}
void recVUMI_FMEQ( VURegs *VU, int info )
@ -5041,20 +5021,9 @@ void recVUMI_FMOR( VURegs *VU, int info )
OR16MtoR(ftreg, VU_VI_ADDR(REG_MAC_FLAG, 1));
}
else {
if( info & PROCESS_VU_SUPER ) SysPrintf( "VU ERROR: can't get VI ADDR\n" );
ftreg = ALLOCVI(_Ft_, MODE_WRITE);
MOVZX32M16toR( ftreg, VU_VI_ADDR(REG_MAC_FLAG, 1));
OR16MtoR( ftreg, VU_VI_ADDR(_Fs_, 1) );
//fsreg = ALLOCVI(_Ft_, MODE_READ); //_checkX86reg(X86TYPE_VI|(VU==&VU1?X86TYPE_VU1:0), _Fs_, MODE_READ);
//MOVZX32M16toR( ftreg, VU_VI_ADDR(REG_MAC_FLAG, 1));
/*
if( fsreg >= 0 )
OR16RtoR( ftreg, fsreg);
else
OR16MtoR( ftreg, VU_VI_ADDR(_Fs_, 1));
*/
}
}
@ -5062,9 +5031,10 @@ void recVUMI_FCAND( VURegs *VU, int info )
{
int ftreg = ALLOCVI(1, MODE_WRITE|MODE_8BITREG);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1));
XOR32RtoR(ftreg, ftreg);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1) );
XOR32RtoR( ftreg, ftreg );
AND32ItoR( EAX, VU->code & 0xFFFFFF );
SETNZ8R(ftreg);
}
@ -5072,10 +5042,11 @@ void recVUMI_FCEQ( VURegs *VU, int info )
{
int ftreg = ALLOCVI(1, MODE_WRITE|MODE_8BITREG);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1));
//AND32ItoR( EAX, 0xffffff);
XOR32RtoR(ftreg, ftreg);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1) );
AND32ItoR( EAX, 0xffffff );
XOR32RtoR( ftreg, ftreg );
CMP32ItoR( EAX, VU->code&0xffffff );
SETE8R(ftreg);
}
@ -5083,13 +5054,12 @@ void recVUMI_FCOR( VURegs *VU, int info )
{
int ftreg = ALLOCVI(1, MODE_WRITE|MODE_8BITREG);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1));
//AND32ItoR( EAX, 0xffffff);
XOR32RtoR(ftreg, ftreg);
OR32ItoR( EAX, VU->code | 0xff000000 );
ADD32ItoR(EAX, 1);
MOV32MtoR( EAX, VU_VI_ADDR(REG_CLIP_FLAG, 1) );
XOR32RtoR( ftreg, ftreg );
OR32ItoR( EAX, VU->code );
AND32ItoR( EAX, 0xffffff );
CMP32ItoR( EAX, 0xffffff );
// set to 1 if EAX is 0
SETZ8R(ftreg);
}