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spu: cleanup some irq hacks
[pcsx_rearmed.git]
/
plugins
/
dfsound
/
spu.c
diff --git
a/plugins/dfsound/spu.c
b/plugins/dfsound/spu.c
index
de7d2f2
..
f4426ab
100644
(file)
--- a/
plugins/dfsound/spu.c
+++ b/
plugins/dfsound/spu.c
@@
-247,7
+247,7
@@
static void StartSoundMain(int ch)
s_chan->iSBPos=27;
s_chan->spos=0;
s_chan->iSBPos=27;
s_chan->spos=0;
- s_chan->pCurr = spu.spuMemC
+((regAreaGet(ch,6)&~1)<<
3);
+ s_chan->pCurr = spu.spuMemC
+ ((regAreaGetCh(ch, 6) & ~1) <<
3);
spu.dwNewChannel&=~(1<<ch); // clear new channel bit
spu.dwChannelDead&=~(1<<ch);
spu.dwNewChannel&=~(1<<ch); // clear new channel bit
spu.dwChannelDead&=~(1<<ch);
@@
-426,8
+426,8
@@
static int decode_block(void *unused, int ch, int *SB)
start = s_chan->pLoop;
}
start = s_chan->pLoop;
}
- else
- check_irq(ch, start); // hack, see check_irq below..
+
+ check_irq(ch, start);
predict_nr = start[0];
shift_factor = predict_nr & 0xf;
predict_nr = start[0];
shift_factor = predict_nr & 0xf;
@@
-436,19
+436,11
@@
static int decode_block(void *unused, int ch, int *SB)
decode_block_data(SB, start + 2, predict_nr, shift_factor);
flags = start[1];
decode_block_data(SB, start + 2, predict_nr, shift_factor);
flags = start[1];
- if (flags & 4 &&
(!s_chan->bIgnoreLoop)
)
+ if (flags & 4 &&
!s_chan->bIgnoreLoop
)
s_chan->pLoop = start; // loop adress
start += 16;
s_chan->pLoop = start; // loop adress
start += 16;
- if (flags & 1) { // 1: stop/loop
- start = s_chan->pLoop;
- check_irq(ch, start); // hack.. :(
- }
-
- if (start - spu.spuMemC >= 0x80000)
- start = spu.spuMemC;
-
s_chan->pCurr = start; // store values for next cycle
s_chan->prevflags = flags;
s_chan->pCurr = start; // store values for next cycle
s_chan->prevflags = flags;
@@
-469,20
+461,15
@@
static int skip_block(int ch)
start = s_chan->pLoop;
}
start = s_chan->pLoop;
}
- else
-
check_irq(ch, start);
+
+ check_irq(ch, start);
flags = start[1];
flags = start[1];
- if (flags & 4)
+ if (flags & 4
&& !s_chan->bIgnoreLoop
)
s_chan->pLoop = start;
start += 16;
s_chan->pLoop = start;
start += 16;
- if (flags & 1) {
- start = s_chan->pLoop;
- check_irq(ch, start);
- }
-
s_chan->pCurr = start;
s_chan->prevflags = flags;
s_chan->pCurr = start;
s_chan->prevflags = flags;
@@
-511,8
+498,6
@@
static void scan_for_irq(int ch, unsigned int *upd_samples)
block += 16;
if (flags & 1) { // 1: stop/loop
block = s_chan->pLoop;
block += 16;
if (flags & 1) { // 1: stop/loop
block = s_chan->pLoop;
- if (block == spu.pSpuIrq) // hack.. (see decode_block)
- break;
}
pos += 28 << 16;
}
}
pos += 28 << 16;
}
@@
-1175,7
+1160,8
@@
void do_samples(unsigned int cycles_to, int do_direct)
static void do_samples_finish(int *SSumLR, int ns_to,
int silentch, int decode_pos)
{
static void do_samples_finish(int *SSumLR, int ns_to,
int silentch, int decode_pos)
{
- int volmult = spu_config.iVolume;
+ int vol_l = ((int)regAreaGet(H_SPUmvolL) << 17) >> 17;
+ int vol_r = ((int)regAreaGet(H_SPUmvolR) << 17) >> 17;
int ns;
int d;
int ns;
int d;
@@
-1192,23
+1178,28
@@
static void do_samples_finish(int *SSumLR, int ns_to,
}
MixXA(SSumLR, ns_to, decode_pos);
}
MixXA(SSumLR, ns_to, decode_pos);
-
- if((spu.spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this)
+
+ vol_l = vol_l * spu_config.iVolume >> 10;
+ vol_r = vol_r * spu_config.iVolume >> 10;
+
+ if (!(spu.spuCtrl & 0x4000) || !(vol_l | vol_r))
{
{
+ // muted? (rare)
memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0]));
memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0]));
+ memset(SSumLR, 0, ns_to * 2 * sizeof(SSumLR[0]));
spu.pS += ns_to * 2;
}
else
for (ns = 0; ns < ns_to * 2; )
{
d = SSumLR[ns]; SSumLR[ns] = 0;
spu.pS += ns_to * 2;
}
else
for (ns = 0; ns < ns_to * 2; )
{
d = SSumLR[ns]; SSumLR[ns] = 0;
- d = d * vol
mult >> 10
;
+ d = d * vol
_l >> 15
;
ssat32_to_16(d);
*spu.pS++ = d;
ns++;
d = SSumLR[ns]; SSumLR[ns] = 0;
ssat32_to_16(d);
*spu.pS++ = d;
ns++;
d = SSumLR[ns]; SSumLR[ns] = 0;
- d = d * vol
mult >> 10
;
+ d = d * vol
_r >> 15
;
ssat32_to_16(d);
*spu.pS++ = d;
ns++;
ssat32_to_16(d);
*spu.pS++ = d;
ns++;
@@
-1292,20
+1283,26
@@
void CALLBACK SPUupdate(void)
// XA AUDIO
// XA AUDIO
-void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap)
+void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap
, unsigned int cycle, int is_start
)
{
if(!xap) return;
{
if(!xap) return;
- if(!xap->freq) return;
// no xa freq ? bye
+ if(!xap->freq) return; // no xa freq ? bye
- FeedXA(xap); // call main XA feeder
+ if (is_start)
+ do_samples(cycle, 1); // catch up to prevent source underflows later
+
+ FeedXA(xap); // call main XA feeder
}
// CDDA AUDIO
}
// CDDA AUDIO
-int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes)
+int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes
, unsigned int cycle, int is_start
)
{
if (!pcm) return -1;
if (nbytes<=0) return -1;
{
if (!pcm) return -1;
if (nbytes<=0) return -1;
+ if (is_start)
+ do_samples(cycle, 1); // catch up to prevent source underflows later
+
return FeedCDDA((unsigned char *)pcm, nbytes);
}
return FeedCDDA((unsigned char *)pcm, nbytes);
}