diff options
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); + } } |