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"Fixed" the 2 games I have that suffer from the damage calculation bug by using the code of rpropMMI's mult1. This fix isn't final yet, but for the sake of testing... you know :p 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@339 a6443dda-0b58-4228-96e9-037be469359c
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ramapcsx2 2008-11-18 17:17:15 +00:00 committed by Gregory Hainaut
parent c26c73c44b
commit e0a35a3aa6
1 changed files with 20 additions and 9 deletions
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31
pcsx2/x86/ir5900tables.c
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@ -683,21 +683,32 @@ void rpropSPECIAL(EEINST* prev, EEINST* pinst)
case 24: // mult case 24: // mult
// can do unsigned mult only if HI isn't used // can do unsigned mult only if HI isn't used
//using this allocation for temp causes the emu to crash ////using this allocation for temp causes the emu to crash
//temp = (pinst->regs[XMMGPR_HI]&(EEINST_LIVE0|EEINST_LIVE1))?0:EEINST_MMX; ////temp = (pinst->regs[XMMGPR_HI]&(EEINST_LIVE0|EEINST_LIVE1))?0:EEINST_MMX;
temp = 0; //temp = 0;
rpropSetWrite(XMMGPR_LO, EEINST_LIVE1); //rpropSetWrite(XMMGPR_LO, EEINST_LIVE1);
rpropSetWrite(XMMGPR_HI, EEINST_LIVE1); //rpropSetWrite(XMMGPR_HI, EEINST_LIVE1);
//rpropSetWrite(_Rd_, EEINST_LIVE1);
//// fixme - temp is always 0, so I doubt the next three lines are right. (arcum42)
//// Yep, its wrong. Using always 0 causes the wrong damage calculations in Soul Nomad.
//// This bug i very important to fix!! (rama)
//rpropSetRead(_Rs_, temp);
//rpropSetRead(_Rt_, temp);
//pinst->info |= temp;
//break;
//using the code of rpropMMI's mult1 for now which works for 2 games that would fail before (rama)
temp = (pinst->regs[XMMGPR_HI]&(EEINST_LIVE2))?0:EEINST_MMX;
rpropSetWrite0(XMMGPR_LO, EEINST_LIVE2, 0);
rpropSetWrite0(XMMGPR_HI, EEINST_LIVE2, 0);
rpropSetWrite(_Rd_, EEINST_LIVE1); rpropSetWrite(_Rd_, EEINST_LIVE1);
// fixme - temp is always 0, so I doubt the next three lines are right. (arcum42)
// Yep, its wrong. Using always 0 causes the wrong damage calculations in Soul Nomad.
// This bug i very important to fix!! (rama)
rpropSetRead(_Rs_, temp); rpropSetRead(_Rs_, temp);
rpropSetRead(_Rt_, temp); rpropSetRead(_Rt_, temp);
pinst->info |= temp; pinst->info |= temp;
break; break;
case 25: // multu case 25: // multu
rpropSetWrite(XMMGPR_LO, EEINST_LIVE1); rpropSetWrite(XMMGPR_LO, EEINST_LIVE1);
rpropSetWrite(XMMGPR_HI, EEINST_LIVE1); rpropSetWrite(XMMGPR_HI, EEINST_LIVE1);