* *
***************************************************************************/
+#ifndef _WIN32
+#include <sys/time.h> // gettimeofday in xa.c
+#endif
#include "stdafx.h"
#define _IN_SPU
#include "arm_features.h"
#include "spu_config.h"
-#ifdef ENABLE_NLS
-#include <libintl.h>
-#include <locale.h>
-#define _(x) gettext(x)
-#define N_(x) (x)
-#else
-#define _(x) (x)
-#define N_(x) (x)
-#endif
-
#ifdef __ARM_ARCH_7A__
#define ssat32_to_16(v) \
asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
static int decode_block(int ch)
{
unsigned char *start;
- int predict_nr,shift_factor,flags;
- int stop = 0;
+ int predict_nr, shift_factor, flags;
int ret = 0;
start = s_chan[ch].pCurr; // set up the current pos
- if(start == spu.spuMemC) // ?
- stop = 1;
+ if (start == spu.spuMemC) // ?
+ ret = 1;
- if(s_chan[ch].prevflags&1) // 1: stop/loop
+ if (s_chan[ch].prevflags & 1) // 1: stop/loop
{
- if(!(s_chan[ch].prevflags&2))
- stop = 1;
+ if (!(s_chan[ch].prevflags & 2))
+ ret = 1;
start = s_chan[ch].pLoop;
}
else
- ret = check_irq(ch, start); // hack, see check_irq below..
+ check_irq(ch, start); // hack, see check_irq below..
- if(stop)
- {
- spu.dwChannelOn &= ~(1<<ch); // -> turn everything off
- s_chan[ch].bStop = 1;
- s_chan[ch].ADSRX.EnvelopeVol = 0;
- }
-
- predict_nr=(int)start[0];
- shift_factor=predict_nr&0xf;
+ predict_nr = (int)start[0];
+ shift_factor = predict_nr & 0xf;
predict_nr >>= 4;
decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor);
- flags=(int)start[1];
- if(flags&4)
- s_chan[ch].pLoop=start; // loop adress
+ flags = start[1];
+ if (flags & 4)
+ s_chan[ch].pLoop = start; // loop adress
- start+=16;
+ start += 16;
- if(flags&1) { // 1: stop/loop
+ if (flags & 1) { // 1: stop/loop
start = s_chan[ch].pLoop;
- ret |= check_irq(ch, start); // hack.. :(
+ check_irq(ch, start); // hack.. :(
}
if (start - spu.spuMemC >= 0x80000)
static int skip_block(int ch)
{
unsigned char *start = s_chan[ch].pCurr;
- int flags = start[1];
- int ret = check_irq(ch, start);
+ int flags;
+ int ret = 0;
+
+ if (s_chan[ch].prevflags & 1) {
+ if (!(s_chan[ch].prevflags & 2))
+ ret = 1;
- if(s_chan[ch].prevflags & 1)
start = s_chan[ch].pLoop;
+ }
+ else
+ check_irq(ch, start);
- if(flags & 4)
+ flags = start[1];
+ if (flags & 4)
s_chan[ch].pLoop = start;
start += 16;
- if(flags & 1)
+ if (flags & 1) {
start = s_chan[ch].pLoop;
+ check_irq(ch, start);
+ }
s_chan[ch].pCurr = start;
s_chan[ch].prevflags = flags;
}
#define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \
-static noinline int do_samples_##name(int ch, int ns, int ns_to) \
+static noinline int do_samples_##name(int ch, int ns_to) \
{ \
int sinc = s_chan[ch].sinc; \
int spos = s_chan[ch].spos; \
int sbpos = s_chan[ch].iSBPos; \
int *SB = s_chan[ch].SB; \
- int ret = -1; \
- int d, fa; \
+ int ns, d, fa; \
+ int ret = ns_to; \
interp_start; \
\
- for (; ns < ns_to; ns++) \
+ for (ns = 0; ns < ns_to; ns++) \
{ \
fmod_code; \
\
while (spos >= 0x10000) \
{ \
fa = SB[sbpos++]; \
- if(sbpos >= 28) \
+ if (sbpos >= 28) \
{ \
sbpos = 0; \
d = decode_block(ch); \
- if(d) \
- ret = /*ns_to =*/ ns + 1; \
+ if (d && ns < ret) \
+ ret = ns; \
} \
\
interp1_code; \
make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa)
#define simple_interp_store \
- s_chan[ch].SB[28] = 0; \
- s_chan[ch].SB[29] = s_chan[ch].SB[30]; \
- s_chan[ch].SB[30] = s_chan[ch].SB[31]; \
- s_chan[ch].SB[31] = fa; \
- s_chan[ch].SB[32] = 1
+ SB[28] = 0; \
+ SB[29] = SB[30]; \
+ SB[30] = SB[31]; \
+ SB[31] = fa; \
+ SB[32] = 1
#define simple_interp_get \
if(sinc<0x10000) /* -> upsampling? */ \
make_do_samples(simple, , ,
simple_interp_store, simple_interp_get, )
-static noinline int do_samples_noise(int ch, int ns, int ns_to)
+static int do_samples_skip(int ch, int ns_to)
{
- int level, shift, bit;
- int ret = -1, d;
+ int ret = ns_to, ns, d;
+
+ s_chan[ch].spos += s_chan[ch].iSBPos << 16;
- s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns);
- while (s_chan[ch].spos >= 28*0x10000)
+ for (ns = 0; ns < ns_to; ns++)
{
- d = skip_block(ch);
- if (d)
- ret = ns_to;
- s_chan[ch].spos -= 28*0x10000;
+ s_chan[ch].spos += s_chan[ch].sinc;
+ while (s_chan[ch].spos >= 28*0x10000)
+ {
+ d = skip_block(ch);
+ if (d && ns < ret)
+ ret = ns;
+ s_chan[ch].spos -= 28*0x10000;
+ }
}
+ s_chan[ch].iSBPos = s_chan[ch].spos >> 16;
+ s_chan[ch].spos &= 0xffff;
+
+ return ret;
+}
+
+static void do_lsfr_samples(int ns_to, int ctrl,
+ unsigned int *dwNoiseCount, unsigned int *dwNoiseVal)
+{
+ unsigned int counter = *dwNoiseCount;
+ unsigned int val = *dwNoiseVal;
+ unsigned int level, shift, bit;
+ int ns;
+
// modified from DrHell/shalma, no fraction
- level = (spu.spuCtrl >> 10) & 0x0f;
+ level = (ctrl >> 10) & 0x0f;
level = 0x8000 >> level;
- for (; ns < ns_to; ns++)
+ for (ns = 0; ns < ns_to; ns++)
{
- spu.dwNoiseCount += 2;
- if (spu.dwNoiseCount >= level)
+ counter += 2;
+ if (counter >= level)
{
- spu.dwNoiseCount -= level;
- shift = (spu.dwNoiseVal >> 10) & 0x1f;
+ counter -= level;
+ shift = (val >> 10) & 0x1f;
bit = (0x69696969 >> shift) & 1;
- if (spu.dwNoiseVal & 0x8000)
- bit ^= 1;
- spu.dwNoiseVal = (spu.dwNoiseVal << 1) | bit;
+ bit ^= (val >> 15) & 1;
+ val = (val << 1) | bit;
}
- ChanBuf[ns] = (signed short)spu.dwNoiseVal;
+ ChanBuf[ns] = (signed short)val;
}
+ *dwNoiseCount = counter;
+ *dwNoiseVal = val;
+}
+
+static int do_samples_noise(int ch, int ns_to)
+{
+ int ret;
+
+ ret = do_samples_skip(ch, ns_to);
+
+ do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal);
+
return ret;
}
// 0x0800-0x0bff Voice 1
// 0x0c00-0x0fff Voice 3
-static noinline void do_decode_bufs(int which, int start, int count)
+static noinline void do_decode_bufs(unsigned short *mem, int which,
+ int count, int decode_pos)
{
- const int *src = ChanBuf + start;
- unsigned short *dst = &spu.spuMem[0x800/2 + which*0x400/2];
- int cursor = spu.decode_pos + start;
+ unsigned short *dst = &mem[0x800/2 + which*0x400/2];
+ const int *src = ChanBuf;
+ int cursor = decode_pos;
while (count-- > 0)
{
// decode_pos is updated and irqs are checked later, after voice loop
}
+static void do_silent_chans(int ns_to, int silentch)
+{
+ int ch;
+
+ for (ch = 0; ch < MAXCHAN; ch++)
+ {
+ if (!(silentch & (1<<ch))) continue; // already handled
+ if (spu.dwChannelDead & (1<<ch)) continue;
+ if (s_chan[ch].pCurr > spu.pSpuIrq && s_chan[ch].pLoop > spu.pSpuIrq)
+ continue;
+
+ s_chan[ch].spos += s_chan[ch].iSBPos << 16;
+ s_chan[ch].iSBPos = 0;
+
+ s_chan[ch].spos += s_chan[ch].sinc * ns_to;
+ while (s_chan[ch].spos >= 28 * 0x10000)
+ {
+ unsigned char *start = s_chan[ch].pCurr;
+
+ skip_block(ch);
+ if (start == s_chan[ch].pCurr || start - spu.spuMemC < 0x1000)
+ {
+ // looping on self or stopped(?)
+ spu.dwChannelDead |= 1<<ch;
+ s_chan[ch].spos = 0;
+ break;
+ }
+
+ s_chan[ch].spos -= 28 * 0x10000;
+ }
+ }
+}
+
+static void do_channels(int ns_to)
+{
+ unsigned int mask;
+ int ch, d;
+
+ InitREVERB(ns_to);
+
+ mask = spu.dwChannelOn & 0xffffff;
+ for (ch = 0; mask != 0; ch++, mask >>= 1) // loop em all...
+ {
+ if (!(mask & 1)) continue; // channel not playing? next
+
+ if (s_chan[ch].bNoise)
+ d = do_samples_noise(ch, ns_to);
+ else if (s_chan[ch].bFMod == 2
+ || (s_chan[ch].bFMod == 0 && spu_config.iUseInterpolation == 0))
+ d = do_samples_noint(ch, ns_to);
+ else if (s_chan[ch].bFMod == 0 && spu_config.iUseInterpolation == 1)
+ d = do_samples_simple(ch, ns_to);
+ else
+ d = do_samples_default(ch, ns_to);
+
+ d = MixADSR(ch, d);
+ if (d < ns_to) {
+ spu.dwChannelOn &= ~(1 << ch);
+ s_chan[ch].bStop = 1;
+ s_chan[ch].ADSRX.EnvelopeVol = 0;
+ memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0]));
+ }
+
+ if (ch == 1 || ch == 3)
+ {
+ do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos);
+ spu.decode_dirty_ch |= 1 << ch;
+ }
+
+ if (s_chan[ch].bFMod == 2) // fmod freq channel
+ memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0]));
+ if (s_chan[ch].bRVBActive)
+ mix_chan_rvb(0, ns_to, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume, spu.sRVBStart);
+ else
+ mix_chan(0, ns_to, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume);
+ }
+}
+
////////////////////////////////////////////////////////////////////////
// MAIN SPU FUNCTION
// here is the main job handler...
-// basically the whole sound processing is done in this fat func!
////////////////////////////////////////////////////////////////////////
+void do_samples_finish(int ns_to, int silentch);
+
void do_samples(unsigned int cycles_to)
{
- const int ns_from = 0;
- int ns,ns_to,ns_len;
- int volmult = spu_config.iVolume;
- int ch,d,silentch;
+ unsigned int mask;
+ int ch, ns_to;
+ int silentch;
int cycle_diff;
cycle_diff = cycles_to - spu.cycles_played;
}
}
- InitREVERB(ns_to);
+ silentch = ~(spu.dwChannelOn|spu.dwNewChannel);
- {
- silentch=~(spu.dwChannelOn|spu.dwNewChannel);
+ mask = spu.dwNewChannel & 0xffffff;
+ for (ch = 0; mask != 0; ch++, mask >>= 1) {
+ if (mask & 1)
+ StartSound(ch);
+ }
- //--------------------------------------------------//
- //- main channel loop -//
- //--------------------------------------------------//
- {
- for(ch=0;ch<MAXCHAN;ch++) // loop em all...
- {
- if(spu.dwNewChannel&(1<<ch)) StartSound(ch); // start new sound
- if(!(spu.dwChannelOn&(1<<ch))) continue; // channel not playing? next
-
- if(s_chan[ch].bNoise)
- do_samples_noise(ch, ns_from, ns_to);
- else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && spu_config.iUseInterpolation==0))
- do_samples_noint(ch, ns_from, ns_to);
- else if(s_chan[ch].bFMod==0 && spu_config.iUseInterpolation==1)
- do_samples_simple(ch, ns_from, ns_to);
- else
- do_samples_default(ch, ns_from, ns_to);
-
- ns_len = ns_to - ns_from;
-
- MixADSR(ch, ns_from, ns_to);
-
- if(ch==1 || ch==3)
- {
- do_decode_bufs(ch/2, ns_from, ns_len);
- spu.decode_dirty_ch |= 1<<ch;
- }
-
- if(s_chan[ch].bFMod==2) // fmod freq channel
- memcpy(&iFMod[ns_from], &ChanBuf[ns_from], ns_len * sizeof(iFMod[0]));
- if(s_chan[ch].bRVBActive)
- mix_chan_rvb(ns_from, ns_len, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume, spu.sRVBStart);
- else
- mix_chan(ns_from, ns_len, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume);
- }
- }
+ if (spu.dwChannelOn == 0)
+ InitREVERB(ns_to);
+ else {
+ do_channels(ns_to);
+ }
- // advance "stopped" channels that can cause irqs
- // (all chans are always playing on the real thing..)
- if(spu.spuCtrl&CTRL_IRQ)
- for(ch=0;ch<MAXCHAN;ch++)
- {
- if(!(silentch&(1<<ch))) continue; // already handled
- if(spu.dwChannelDead&(1<<ch)) continue;
- if(s_chan[ch].pCurr > spu.pSpuIrq && s_chan[ch].pLoop > spu.pSpuIrq)
- continue;
-
- s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns_from);
- while(s_chan[ch].spos >= 28 * 0x10000)
- {
- unsigned char *start = s_chan[ch].pCurr;
-
- skip_block(ch);
- if(start == s_chan[ch].pCurr || start - spu.spuMemC < 0x1000)
- {
- // looping on self or stopped(?)
- spu.dwChannelDead |= 1<<ch;
- s_chan[ch].spos = 0;
- break;
- }
-
- s_chan[ch].spos -= 28 * 0x10000;
- }
- }
+ do_samples_finish(ns_to, silentch);
+
+ // advance "stopped" channels that can cause irqs
+ // (all chans are always playing on the real thing..)
+ if (spu.spuCtrl & CTRL_IRQ)
+ do_silent_chans(ns_to, silentch);
+
+ spu.cycles_played += ns_to * 768;
+ spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff;
+}
+
+void do_samples_finish(int ns_to, int silentch)
+{
+ int volmult = spu_config.iVolume;
+ int ns;
+ int d;
if(unlikely(silentch & spu.decode_dirty_ch & (1<<1))) // must clear silent channel decode buffers
{
//---------------------------------------------------//
// mix XA infos (if any)
- MixXA(ns_to);
+ MixXA(ns_to, spu.decode_pos);
///////////////////////////////////////////////////////
// mix all channels (including reverb) into one buffer
*spu.pS++ = d;
ns++;
}
-
- spu.cycles_played += ns_to * 768;
-
- spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff;
- }
}
void schedule_next_irq(void)
notaz.gp2x.de / pcsx_rearmed.git / blobdiff