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psxmode: few comments and a missing hw write.

This commit is contained in:
Robert Neumann 2016-10-01 11:41:07 +02:00
parent e8ab0f6e85
commit d8e0b9f541
1 changed files with 9 additions and 7 deletions
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16
pcsx2/ps2/Iop/IopHwWrite.cpp
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@ -366,14 +366,12 @@ static __fi void _HwWrite_16or32_Page1( u32 addr, T val )
mcase(0x1f801088) : // DMA0 CHCR -- MDEC IN
// psx mode
HW_DMA0_CHCR = val;
//Console.WriteLn("MDEC WR DMA0 %08X = %08X", addr, val);
psxDma0(HW_DMA0_MADR, HW_DMA0_BCR, HW_DMA0_CHCR);
break;
mcase(0x1f801098): // DMA1 CHCR -- MDEC OUT
// psx mode
HW_DMA1_CHCR = val;
//Console.WriteLn("MDEC WR DMA1 %08X = %08X", addr, val);
psxDma1(HW_DMA1_MADR, HW_DMA1_BCR, HW_DMA1_CHCR);
break;
mcase(0x1f8010ac):
@ -381,8 +379,11 @@ static __fi void _HwWrite_16or32_Page1( u32 addr, T val )
psxHu(addr) = val;
break;
mcase(0x1f8010a8) : // DMA2 CHCR -- GPU [ignored]
// todo: psx mode: Original mod doesn't do "psxHu(addr) = val;"
mcase(0x1f8010a8) : // DMA2 CHCR -- GPU
// BIOS functions
// send_gpu_linked_list: [1F8010A8h]=1000401h
// gpu_abort_dma: [1F8010A8h]=401h
// gpu_send_dma: [1F8010A8h]=1000201h
psxHu(addr) = val;
DmaExec(2);
break;
@ -534,12 +535,13 @@ static __fi void _HwWrite_16or32_Page1( u32 addr, T val )
// Legacy GPU emulation
//
mcase(HW_PS1_GPU_DATA) :
mcase(HW_PS1_GPU_DATA) : // HW_PS1_GPU_DATA = 0x1f801810
psxHu(addr) = val; // guess
psxGPUw(addr, val);
break;
mcase (HW_PS1_GPU_STATUS):
psxGPUw(addr, val);
mcase (HW_PS1_GPU_STATUS): // HW_PS1_GPU_STATUS = 0x1f801814
psxHu(addr) = val; // guess
psxGPUw(addr, val);
break;
mcase (0x1f801820): // MDEC
psxHu(addr) = val; // guess