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MFIFO fixed Guitar Hero Videos, another case of developers assuming SPR1 will be finished before SPR0 gets to the data being written >.< 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4343 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
refraction 2011-02-22 22:19:21 +00:00
parent 3de18d0526
commit b2cf9d026f
2 changed files with 13 additions and 11 deletions
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20
pcsx2/SPR.cpp
View File

@ -50,7 +50,7 @@ static void TestClearVUs(u32 madr, u32 size)
int _SPR0chain()
{
tDMA_TAG *pMem;
int partialqwc = 0;
if (spr0ch.qwc == 0) return 0;
pMem = SPRdmaGetAddr(spr0ch.madr, true);
if (pMem == NULL) return -1;
@ -59,21 +59,24 @@ int _SPR0chain()
{
case MFD_VIF1:
case MFD_GIF:
if(spr0ch.qwc > 1) partialqwc = spr0ch.qwc - 1;
else partialqwc = spr0ch.qwc;
if ((spr0ch.madr & ~dmacRegs.rbsr.RMSK) != dmacRegs.rbor.ADDR)
Console.WriteLn("SPR MFIFO Write outside MFIFO area");
else
mfifotransferred += spr0ch.qwc;
mfifotransferred += partialqwc;
hwMFIFOWrite(spr0ch.madr, &psSu128(spr0ch.sadr), spr0ch.qwc);
spr0ch.madr += spr0ch.qwc << 4;
hwMFIFOWrite(spr0ch.madr, &psSu128(spr0ch.sadr), partialqwc);
spr0ch.madr += partialqwc << 4;
spr0ch.madr = dmacRegs.rbor.ADDR + (spr0ch.madr & dmacRegs.rbsr.RMSK);
spr0ch.sadr += spr0ch.qwc << 4;
spr0ch.qwc = 0;
spr0ch.sadr += partialqwc << 4;
spr0ch.qwc -= partialqwc;
break;
case NO_MFD:
case MFD_RESERVED:
int partialqwc = 0;
//Taking an arbitary small value for games which like to check the QWC/MADR instead of STR, so get most of
//the cycle delay out of the way before the end.
if(spr0ch.qwc > 1) partialqwc = spr0ch.qwc - 1;
@ -87,13 +90,12 @@ int _SPR0chain()
spr0ch.sadr += partialqwc << 4;
spr0ch.qwc -= partialqwc;
return (partialqwc);
break;
}
return (spr0ch.qwc); // bus is 1/2 the ee speed
return (partialqwc); // bus is 1/2 the ee speed
}
__fi void SPR0chain()

4
pcsx2/Vif1_MFIFO.cpp
View File

@ -37,7 +37,7 @@ static u16 QWCinVIFMFIFO(u32 DrainADDR)
u32 ret;
SPR_LOG("VIF MFIFO Requesting %x QWC from the MFIFO Base %x, SPR MADR %x Drain %x", vif1ch.qwc, dmacRegs.rbor.ADDR, spr0ch.madr, DrainADDR);
SPR_LOG("VIF MFIFO Requesting %x QWC from the MFIFO Base %x MFIFO Top %x, SPR MADR %x Drain %x", vif1ch.qwc, dmacRegs.rbor.ADDR, dmacRegs.rbor.ADDR + dmacRegs.rbsr.RMSK + 16, spr0ch.madr, DrainADDR);
//Calculate what we have in the fifo.
if(DrainADDR <= spr0ch.madr)
{
@ -166,7 +166,7 @@ void mfifoVIF1transfer(int qwc)
if(vif1ch.chcr.STR == true && !(cpuRegs.interrupt & (1<<DMAC_MFIFO_VIF)))
{
SPR_LOG("Data Added, Resuming");
CPU_INT(DMAC_MFIFO_VIF, 4);
CPU_INT(DMAC_MFIFO_VIF, 16);
}
//Apparently this is bad, i guess so, the data is going to memory rather than the FIFO