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gxFIFO: 

- fix crash some games (Rayman DS now works);
This commit is contained in:
mtabachenko 2009-07-27 15:15:00 +00:00
parent 2ed7ef8c89
commit de427321ab
1 changed files with 8 additions and 6 deletions
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14
desmume/src/MMU.cpp
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@ -1251,7 +1251,8 @@ template<int PROCNUM>
void FASTCALL MMU_doDMA(u32 num)
{
#ifdef USE_GEOMETRY_FIFO_EMULATION
if (MMU.DMACompleted[PROCNUM][num]) return;
if (MMU.DMAStartTime[PROCNUM][num] == EDMAMode_GXFifo)
if (MMU.DMACompleted[PROCNUM][num]) return;
#endif
u32 src = DMASrc[PROCNUM][num];
u32 dst = DMADst[PROCNUM][num];
@ -1340,24 +1341,25 @@ void FASTCALL MMU_doDMA(u32 num)
if ((MMU.DMACrt[PROCNUM][num]>>26)&1)
for(; i < taille; ++i)
{
_MMU_write32<PROCNUM,MMU_AT_DMA>(dst, _MMU_read32<PROCNUM,MMU_AT_DMA>(src));
dst += dstinc;
src += srcinc;
#ifdef USE_GEOMETRY_FIFO_EMULATION
if (MMU.DMAStartTime[PROCNUM][num] == EDMAMode_GXFifo)
{
if ( gxFIFO.tail > 255)
{
if (i == taille) break;
if (i >= taille) break;
paused = true;
MMU.DMACrt[PROCNUM][num] &= 0xFFE00000;
MMU.DMACrt[PROCNUM][num] |= ((taille-i-1) & 0x1FFFFF);
MMU.DMACrt[PROCNUM][num] |= ((taille-i) & 0x1FFFFF);
MMU.DMAing[PROCNUM][num] = FALSE;
MMU.DMACycle[PROCNUM][num] = nds_timer+1;
break;
}
}
#endif
_MMU_write32<PROCNUM,MMU_AT_DMA>(dst, _MMU_read32<PROCNUM,MMU_AT_DMA>(src));
dst += dstinc;
src += srcinc;
}
else
for(; i < taille; ++i)