PCSX2/archived-pcsx2
1
0
Fork 0
mirror of https://github.com/PCSX2/pcsx2.git synced 2026-01-31 01:15:24 +01:00
Code Issues Packages Projects Releases Wiki Activity

SPU: Slow down DMA

Browse Source
This commit is contained in:
Ziemas
2026-01-29 22:09:40 +01:00
committed by Ty
parent 76dadf792a
commit 45490d903a
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
pcsx2/SPU2/Dma.cpp
View File

@@ -163,7 +163,7 @@ void V_Core::StartADMAWrite(u16* pMem, u32 sz)
if ((AutoDMACtrl & (Index + 1)) == 0)
{
ActiveTSA = 0x2000 + (Index << 10);
DMAICounter = size * 4;
DMAICounter = size * 48;
LastClock = psxRegs.cycle;
}
else if (size >= 256)
@@ -191,7 +191,7 @@ void V_Core::StartADMAWrite(u16* pMem, u32 sz)
if (SPU2::MsgToConsole())
SPU2::ConLog("ADMA%c Error Size of %x too small\n", GetDmaIndexChar(), size);
InputDataLeft = 0;
DMAICounter = size * 4;
DMAICounter = size * 48;
LastClock = psxRegs.cycle;
}
}
@@ -248,7 +248,7 @@ void V_Core::FinishDMAwrite()
DMA7LogWrite(DMAPtr, ReadSize << 1);
#endif
u32 buff1end = ActiveTSA + std::min(ReadSize, (u32)0x100 + std::abs(DMAICounter / 4));
u32 buff1end = ActiveTSA + std::min(ReadSize, (u32)0x100 + std::abs(DMAICounter / 48));
u32 buff2end = 0;
if (buff1end > 0x100000)
{
@@ -343,7 +343,7 @@ void V_Core::FinishDMAwrite()
DMAPtr += TDA - ActiveTSA;
ReadSize -= TDA - ActiveTSA;
DMAICounter = (DMAICounter - ReadSize) * 4;
DMAICounter = (DMAICounter - ReadSize) * 48;
CounterUpdate(DMAICounter);
@@ -354,7 +354,7 @@ void V_Core::FinishDMAwrite()
void V_Core::FinishDMAread()
{
u32 buff1end = ActiveTSA + std::min(ReadSize, (u32)0x100 + std::abs(DMAICounter / 4));
u32 buff1end = ActiveTSA + std::min(ReadSize, (u32)0x100 + std::abs(DMAICounter / 48));
u32 buff2end = 0;
if (buff1end > 0x100000)
@@ -426,9 +426,9 @@ void V_Core::FinishDMAread()
// DMA Reads are done AFTER the delay, so to get the timing right we need to scheule one last DMA to catch IRQ's
if (ReadSize)
DMAICounter = std::min(ReadSize, (u32)0x100) * 4;
DMAICounter = std::min(ReadSize, (u32)0x100) * 48;
else
DMAICounter = 4;
DMAICounter = 48;
CounterUpdate(DMAICounter);
@@ -446,7 +446,7 @@ void V_Core::DoDMAread(u16* pMem, u32 size)
ReadSize = size;
IsDMARead = true;
LastClock = psxRegs.cycle;
DMAICounter = std::min(ReadSize, (u32)0x100) * 4;
DMAICounter = (std::min(ReadSize, (u32)0x100) * 48);
Regs.STATX &= ~0x80;
Regs.STATX |= 0x400;
//Regs.ATTR |= 0x30;
@@ -470,7 +470,7 @@ void V_Core::DoDMAwrite(u16* pMem, u32 size)
{
Regs.STATX &= ~0x80;
//Regs.ATTR |= 0x30;
DMAICounter = 1 * 4;
DMAICounter = 1 * 48;
LastClock = psxRegs.cycle;
return;
}