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PVR DMA: VRAM->System RAM transfer was handled the other way around

This commit is contained in:
Flyinghead 2018-07-10 12:07:35 +02:00
parent 1be4203ffe
commit 92e16d436e
1 changed files with 4 additions and 11 deletions
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15
core/hw/pvr/pvr_sb_regs.cpp
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@ -28,8 +28,8 @@ void do_pvr_dma()
u32 dmaor = DMAC_DMAOR.full;
u32 dmatcr = DMAC_DMATCR(0);
u32 src = SB_PDSTAR;
u32 dst = SB_PDSTAP;
u32 src = SB_PDSTAR; // System RAM address
u32 dst = SB_PDSTAP; // VRAM address
u32 len = SB_PDLEN;
if(0x8201 != (dmaor &DMAOR_MASK))
@ -47,18 +47,11 @@ void do_pvr_dma()
if (SB_PDDIR)
{
//PVR -> System
/* for (u32 i=0;i<len;i+=4)
{
u32 temp=ReadMem32_nommu(dst+i);
WriteMem32_nommu(src+i,temp);
}*/
WriteMemBlock_nommu_dma(dst,src,len);
WriteMemBlock_nommu_dma(src, dst, len);
}
else
{
//System -> PVR
//TODO : FIX THAT , to warp around on dmas :)
//WriteMemBlock_nommu_ptr(dst,(u32*)GetMemPtr(src,len),len);
WriteMemBlock_nommu_dma(dst,src,len);
}
@ -153,4 +146,4 @@ void pvr_sb_Term()
//Reset -> Reset - Initialise
void pvr_sb_Reset(bool Manual)
{
}
}