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Removed unnecessary check that could cause hangs in grdforce (kingshriek)

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R. Belmont 2008-01-13 16:08:11 +00:00
parent 8e319c4ed5
commit 34abe94416
1 changed files with 0 additions and 2 deletions
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src/emu/sound/scsp.c
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@ -960,11 +960,9 @@ INLINE INT32 SCSP_UpdateSlot(struct _SCSP *SCSP, struct _SLOT *slot)
if(MDL(slot)!=0 || MDXSL(slot)!=0 || MDYSL(slot)!=0)
{
INT32 smp=(SCSP->RINGBUF[(SCSP->BUFPTR+MDXSL(slot))&63]+SCSP->RINGBUF[(SCSP->BUFPTR+MDYSL(slot))&63])/2;
INT32 cycle=LEA(slot)-LSA(slot); // cycle corresponds to 2 pi
smp<<=0xA; // associate cycle with 1024
smp>>=0x1A-MDL(slot); // ex. for MDL=0xF, sample range corresponds to +/- 64 pi (32=2^5 cycles) so shift by 11 (16-5 == 0x1A-0xF)
while(smp<0) smp+=cycle; smp%=cycle; // keep modulation sampler within a single cycle
if(!PCM8B(slot)) smp<<=1;
addr1+=smp; addr2+=smp;