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

Fix/Bodge for Clock Tower 3 black screens. GT4 now boots again. Explanation for bodge in the edit :) I am still alive here, just :P 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4012 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
refraction 2010-11-10 22:38:09 +00:00
parent bd31411a4c
commit 0bf97480b7
2 changed files with 26 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
pcsx2/Vif1_MFIFO.cpp
View File

@ -124,7 +124,7 @@ static __fi void mfifo_VIF1chain()
}
}
int NextTADR = 0; //Bodge for Clock Tower 3 (see below)
void mfifoVIF1transfer(int qwc)
{
@ -178,6 +178,7 @@ void mfifoVIF1transfer(int qwc)
return; //IRQ set by VIFTransfer
} //else vif1.vifstalled = false;
g_vifCycles += 2;
}
vif1.irqoffset = 0;
@ -193,13 +194,13 @@ void mfifoVIF1transfer(int qwc)
switch (ptag->ID)
{
case TAG_REFE: // Refe - Transfer Packet According to ADDR field
vif1ch.tadr = qwctag(vif1ch.tadr + 16);
NextTADR = qwctag(vif1ch.tadr + 16);
vif1.done = true; //End Transfer
break;
case TAG_CNT: // CNT - Transfer QWC following the tag.
vif1ch.madr = qwctag(vif1ch.tadr + 16); //Set MADR to QW after Tag
vif1ch.tadr = qwctag(vif1ch.madr + (vif1ch.qwc << 4)); //Set TADR to QW following the data
NextTADR = qwctag(vif1ch.madr + (vif1ch.qwc << 4)); //Set TADR to QW following the data
vif1.done = false;
break;
@ -207,7 +208,7 @@ void mfifoVIF1transfer(int qwc)
{
int temp = vif1ch.madr; //Temporarily Store ADDR
vif1ch.madr = qwctag(vif1ch.tadr + 16); //Set MADR to QW following the tag
vif1ch.tadr = temp; //Copy temporarily stored ADDR to Tag
NextTADR = temp; //Copy temporarily stored ADDR to Tag
if ((temp & dmacRegs.rbsr.RMSK) != dmacRegs.rbor.ADDR) Console.WriteLn("Next tag = %x outside ring %x size %x", temp, psHu32(DMAC_RBOR), psHu32(DMAC_RBSR));
vif1.done = false;
break;
@ -215,13 +216,13 @@ void mfifoVIF1transfer(int qwc)
case TAG_REF: // Ref - Transfer QWC from ADDR field
case TAG_REFS: // Refs - Transfer QWC from ADDR field (Stall Control)
vif1ch.tadr = qwctag(vif1ch.tadr + 16); //Set TADR to next tag
NextTADR = qwctag(vif1ch.tadr + 16); //Set TADR to next tag
vif1.done = false;
break;
case TAG_END: // End - Transfer QWC following the tag
vif1ch.madr = qwctag(vif1ch.tadr + 16); //Set MADR to data following the tag
vif1ch.tadr = qwctag(vif1ch.madr + (vif1ch.qwc << 4)); //Set TADR to QW following the data
NextTADR = qwctag(vif1ch.madr + (vif1ch.qwc << 4)); //Set TADR to QW following the data
vif1.done = true; //End Transfer
break;
}
@ -245,6 +246,17 @@ void vifMFIFOInterrupt()
g_vifCycles = 0;
VIF_LOG("vif mfifo interrupt");
if(NextTADR != 0 && vif1ch.qwc == 0)
{
// Clock Tower 3 Note!
/* If the DMA starts the transfer then hammers the TADR to see when the transfer has finished(as clock tower does)
and we have preincremented before all data has arrived, it breaks. Idealy we increment this as we transfer the data.
"NextTADR" bodge in for the moment! - Refraction */
vif1ch.tadr = NextTADR;
NextTADR = 0;
}
if(GSTransferStatus.PTH2 == STOPPED_MODE && gifRegs.stat.APATH == GIF_APATH2)
{
GSTransferStatus.PTH2 = STOPPED_MODE;
@ -304,6 +316,8 @@ void vifMFIFOInterrupt()
}
mfifoVIF1transfer(0);
CPU_INT(DMAC_MFIFO_VIF, 4);
return;

6
pcsx2/Vif_Transfer.cpp
View File

@ -139,13 +139,13 @@ _vifT static __fi bool vifTransfer(u32 *data, int size, bool TTE) {
vifX.irqoffset = transferred % 4; // cannot lose the offset
if (TTE) return !vifX.vifstalled;
if (!TTE) // *WARNING* - Tags CAN have interrupts! so lets just ignore the dma modifying stuffs (GT4)
{
transferred = transferred >> 2;
vifXch.madr +=(transferred << 4);
vifXch.qwc -= transferred;
}
if (!vifXch.qwc && !vifX.irqoffset) vifX.inprogress &= ~0x1;
if (vifX.irq && vifX.cmd == 0) {