diff options
Diffstat (limited to 'plugins/dfsound/dma.c')
| -rw-r--r-- | plugins/dfsound/dma.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/plugins/dfsound/dma.c b/plugins/dfsound/dma.c index d3706b9..4798a19 100644 --- a/plugins/dfsound/dma.c +++ b/plugins/dfsound/dma.c @@ -27,9 +27,9 @@ unsigned short CALLBACK SPUreadDMA(void)
{
- unsigned short s=spu.spuMem[spu.spuAddr>>1];
- spu.spuAddr+=2;
- if(spu.spuAddr>0x7ffff) spu.spuAddr=0;
+ unsigned short s = *(unsigned short *)(spu.spuMemC + spu.spuAddr);
+ spu.spuAddr += 2;
+ spu.spuAddr &= 0x7fffe;
return s;
}
@@ -43,13 +43,13 @@ void CALLBACK SPUreadDMAMem(unsigned short *pusPSXMem, int iSize, {
int i;
- do_samples_if_needed(cycles);
+ do_samples_if_needed(cycles, 1);
for(i=0;i<iSize;i++)
{
- *pusPSXMem++=spu.spuMem[spu.spuAddr>>1]; // spu addr got by writeregister
- spu.spuAddr+=2; // inc spu addr
- if(spu.spuAddr>0x7ffff) spu.spuAddr=0; // wrap
+ *pusPSXMem++ = *(unsigned short *)(spu.spuMemC + spu.spuAddr);
+ spu.spuAddr += 2;
+ spu.spuAddr &= 0x7fffe;
}
}
@@ -67,10 +67,10 @@ void CALLBACK SPUreadDMAMem(unsigned short *pusPSXMem, int iSize, void CALLBACK SPUwriteDMA(unsigned short val)
{
- spu.spuMem[spu.spuAddr>>1] = val; // spu addr got by writeregister
+ *(unsigned short *)(spu.spuMemC + spu.spuAddr) = val;
- spu.spuAddr+=2; // inc spu addr
- if(spu.spuAddr>0x7ffff) spu.spuAddr=0; // wrap
+ spu.spuAddr += 2;
+ spu.spuAddr &= 0x7fffe;
}
////////////////////////////////////////////////////////////////////////
@@ -82,20 +82,20 @@ void CALLBACK SPUwriteDMAMem(unsigned short *pusPSXMem, int iSize, {
int i;
- do_samples_if_needed(cycles);
+ do_samples_if_needed(cycles, 1);
if(spu.spuAddr + iSize*2 < 0x80000)
{
- memcpy(&spu.spuMem[spu.spuAddr>>1], pusPSXMem, iSize*2);
+ memcpy(spu.spuMemC + spu.spuAddr, pusPSXMem, iSize*2);
spu.spuAddr += iSize*2;
return;
}
for(i=0;i<iSize;i++)
{
- spu.spuMem[spu.spuAddr>>1] = *pusPSXMem++; // spu addr got by writeregister
- spu.spuAddr+=2; // inc spu addr
- spu.spuAddr&=0x7ffff; // wrap
+ *(unsigned short *)(spu.spuMemC + spu.spuAddr) = *pusPSXMem++;
+ spu.spuAddr += 2;
+ spu.spuAddr &= 0x7fffe;
}
}
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