diff options
| author | notaz | 2011-06-29 14:35:10 +0300 |
|---|---|---|
| committer | notaz | 2011-07-08 00:15:20 +0300 |
| commit | ad418c19cd4ca9a80820593609b786c6993b2eda (patch) | |
| tree | 545f51e495811f245b5c3625143791546c6174fa /libpcsxcore/psxdma.c | |
| parent | 64bd6f82e9e86c7fac82c4c5c46056d6b4947826 (diff) | |
| download | pcsx_rearmed-ad418c19cd4ca9a80820593609b786c6993b2eda.tar.gz pcsx_rearmed-ad418c19cd4ca9a80820593609b786c6993b2eda.tar.bz2 pcsx_rearmed-ad418c19cd4ca9a80820593609b786c6993b2eda.zip | |
dma: don't generate irqs after aborted DMA
An idea from Shalma.
Verified on real thing with DMA2.
Diffstat (limited to 'libpcsxcore/psxdma.c')
| -rw-r--r-- | libpcsxcore/psxdma.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libpcsxcore/psxdma.c b/libpcsxcore/psxdma.c index df79b6d..6d7981f 100644 --- a/libpcsxcore/psxdma.c +++ b/libpcsxcore/psxdma.c @@ -27,8 +27,11 @@ // Dma3 in CdRom.c void spuInterrupt() { - HW_DMA4_CHCR &= SWAP32(~0x01000000); - DMA_INTERRUPT(4); + if (HW_DMA4_CHCR & SWAP32(0x01000000)) + { + HW_DMA4_CHCR &= SWAP32(~0x01000000); + DMA_INTERRUPT(4); + } } void psxDma4(u32 madr, u32 bcr, u32 chcr) { // SPU @@ -192,8 +195,11 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU } void gpuInterrupt() { - HW_DMA2_CHCR &= SWAP32(~0x01000000); - DMA_INTERRUPT(2); + if (HW_DMA2_CHCR & SWAP32(0x01000000)) + { + HW_DMA2_CHCR &= SWAP32(~0x01000000); + DMA_INTERRUPT(2); + } } void psxDma6(u32 madr, u32 bcr, u32 chcr) { @@ -239,6 +245,9 @@ void psxDma6(u32 madr, u32 bcr, u32 chcr) { void gpuotcInterrupt() { - HW_DMA6_CHCR &= SWAP32(~0x01000000); - DMA_INTERRUPT(6); + if (HW_DMA6_CHCR & SWAP32(0x01000000)) + { + HW_DMA6_CHCR &= SWAP32(~0x01000000); + DMA_INTERRUPT(6); + } } |