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authornotaz2011-06-29 14:35:10 +0300
committernotaz2011-07-08 00:15:20 +0300
commitad418c19cd4ca9a80820593609b786c6993b2eda (patch)
tree545f51e495811f245b5c3625143791546c6174fa /libpcsxcore/cdrom.c
parent64bd6f82e9e86c7fac82c4c5c46056d6b4947826 (diff)
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dma: don't generate irqs after aborted DMA
An idea from Shalma. Verified on real thing with DMA2.
Diffstat (limited to 'libpcsxcore/cdrom.c')
-rw-r--r--libpcsxcore/cdrom.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 33b76fa..1569839 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -2018,8 +2018,11 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) {
void cdrDmaInterrupt()
{
- HW_DMA3_CHCR &= SWAP32(~0x01000000);
- DMA_INTERRUPT(3);
+ if (HW_DMA3_CHCR & SWAP32(0x01000000))
+ {
+ HW_DMA3_CHCR &= SWAP32(~0x01000000);
+ DMA_INTERRUPT(3);
+ }
}
void cdrReset() {