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desmume
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spu: handle word writes to length register; fixes freeze during maxmod reverb (reverb still isnt supported, though)

This commit is contained in:
zeromus 2009-06-10 02:04:30 +00:00
parent 3cf5ec430a
commit d5dc1f45b1
1 changed files with 13 additions and 1 deletions
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14
desmume/src/SPU.cpp
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@ -510,6 +510,13 @@ void SPU_struct::KeyOn(int channel)
default: break;
}
if(thischan.double_totlength_shifted == 0)
{
printf("ERROR: Stopping channel %d due to zero length\n",channel);
thischan.status = CHANSTAT_STOPPED;
int zzz=9;
}
thischan.double_totlength_shifted = (double)(thischan.totlength << format_shift[thischan.format]);
}
@ -599,7 +606,12 @@ void SPU_struct::WriteWord(u32 addr, u16 val)
thischan.totlength = thischan.length + thischan.loopstart;
thischan.double_totlength_shifted = (double)(thischan.totlength << format_shift[thischan.format]);
break;
case 0xC:
WriteLong(addr,((u32)T1ReadWord(MMU.ARM7_REG, addr+2) << 16) | val);
break;
case 0xE:
WriteLong(addr,((u32)T1ReadWord(MMU.ARM7_REG, addr-2)) | ((u32)val<<16));
break;
}
}