ShuriZma
/
pcsx2
mirror of https://github.com/PCSX2/pcsx2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ZeroSPU2: Fix the mixer issue properly, and get rid of the temporary code I'd added back in. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@437 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
arcum42 2009-02-06 23:08:25 +00:00
parent 670b6e5491
commit bd797da2ce
1 changed files with 9 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
plugins/zerospu2/zerospu2.cpp
View File

@ -522,18 +522,22 @@ void MixChannels(int core)
{
// mix all channels
int c_offset = 0x0400 * core;
int dma;
int dma, left_vol, right_vol;
ADMA *Adma;
if (core == 0)
{
Adma = &Adma4;
dma = 4;
left_vol = REG_C0_BVOLL;
right_vol = REG_C0_BVOLR;
}
else
{
Adma = &Adma7;
dma = 7;
left_vol = REG_C1_BVOLL;
right_vol = REG_C1_BVOLR;
}
if ((spu2Ru16(REG_C0_MMIX + c_offset) & 0xF0) && (spu2Ru16(REG_C0_ADMAS + c_offset) & (0x1 + core)))
@ -541,9 +545,9 @@ void MixChannels(int core)
for (int ns=0;ns<NSSIZE;ns++)
{
if ((spu2Ru16(REG_C0_MMIX + c_offset) & 0x80))
s_buffers[ns][0] += (((short*)spu2mem)[0x2000 + c_offset +Adma->Index]*(int)spu2Ru16(REG_C0_BVOLL + c_offset))>>16;
s_buffers[ns][0] += (((short*)spu2mem)[0x2000 + c_offset +Adma->Index]*(int)spu2Ru16(left_vol))>>16;
if ((spu2Ru16(REG_C0_MMIX + c_offset) & 0x40))
s_buffers[ns][1] += (((short*)spu2mem)[0x2200 + c_offset +Adma->Index]*(int)spu2Ru16(REG_C0_BVOLR + c_offset))>>16;
s_buffers[ns][1] += (((short*)spu2mem)[0x2200 + c_offset +Adma->Index]*(int)spu2Ru16(right_vol))>>16;
Adma->Index +=1;
MemAddr[core] += 4;
@ -736,92 +740,8 @@ ENDX:
}
// mix all channels
/*MixChannels(0);
MixChannels(1);*/
// mix all channels
// This code is temporarily being put back, till I work out why the replacement is breaking things, --arcum42
if ((spu2Ru16(REG_C0_MMIX) & 0xF0) && (spu2Ru16(REG_C0_ADMAS) & 0x1) /*&& !(spu2Ru16(REG_C0_CTRL) & 0x30)*/)
{
ADMA *Adma = &Adma4;
for (int ns=0;ns<NSSIZE;ns++)
{
if ((spu2Ru16(REG_C0_MMIX) & 0x80))
s_buffers[ns][0] += (((short*)spu2mem)[0x2000+Adma->Index]*(int)spu2Ru16(REG_C0_BVOLL))>>16;
if ((spu2Ru16(REG_C0_MMIX) & 0x40))
s_buffers[ns][1] += (((short*)spu2mem)[0x2200+Adma->Index]*(int)spu2Ru16(REG_C0_BVOLR))>>16;
Adma->Index +=1;
// just add after every sample, it is better than adding 1024 all at once (games like Genji don't like it)
MemAddr[0] += 4;
if ((Adma->Index == 128) || (Adma->Index == 384))
{
if (ADMASWrite(0))
{
if (interrupt & 0x2)
{
interrupt &= ~0x2;
printf("Stopping double interrupt DMA4\n");
}
irqCallbackDMA4();
}
}
if (Adma->Index == 512)
{
if ( Adma->Enabled == 2 )
{
Adma->Enabled = 0;
}
Adma->Index = 0;
}
}
}
// Let's do the same bloody mixing code again, only for C1.
// fixme - There is way too much duplication of code between C0 & C1, and Adma4 & Adma7.
// arcum42
if ((spu2Ru16(REG_C1_MMIX) & 0xF0) && (spu2Ru16(REG_C1_ADMAS) & 0x2))
{
ADMA *Adma = &Adma7;
for (int ns=0;ns<NSSIZE;ns++)
{
if ((spu2Ru16(REG_C1_MMIX) & 0x80))
s_buffers[ns][0] += (((short*)spu2mem)[0x2400+Adma->Index]*(int)spu2Ru16(REG_C1_BVOLL))>>16;
if ((spu2Ru16(REG_C1_MMIX) & 0x40))
s_buffers[ns][1] += (((short*)spu2mem)[0x2600+Adma->Index]*(int)spu2Ru16(REG_C1_BVOLR))>>16;
Adma->Index +=1;
MemAddr[1] += 4;
if (Adma->Index == 128 || Adma->Index == 384)
{
if (ADMASWrite(1))
{
if (interrupt & 0x4)
{
interrupt &= ~0x4;
printf("Stopping double interrupt DMA7\n");
}
irqCallbackDMA7();
}
Adma->Enabled = 2;
}
if (Adma->Index == 512)
{
if ( Adma->Enabled == 2 ) Adma->Enabled = 0;
Adma->Index = 0;
}
}
}
MixChannels(0);
MixChannels(1);
if ( g_bPlaySound )
{