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ef79bbde P |
1 | /*************************************************************************** |
2 | spu.c - description | |
3 | ------------------- | |
4 | begin : Wed May 15 2002 | |
5 | copyright : (C) 2002 by Pete Bernert | |
6 | email : BlackDove@addcom.de | |
07a6dd2c | 7 | |
63a4f6b6 | 8 | Portions (C) GraÅžvydas "notaz" Ignotas, 2010-2012,2014,2015 |
07a6dd2c | 9 | |
ef79bbde P |
10 | ***************************************************************************/ |
11 | /*************************************************************************** | |
12 | * * | |
13 | * This program is free software; you can redistribute it and/or modify * | |
14 | * it under the terms of the GNU General Public License as published by * | |
15 | * the Free Software Foundation; either version 2 of the License, or * | |
16 | * (at your option) any later version. See also the license.txt file for * | |
17 | * additional informations. * | |
18 | * * | |
19 | ***************************************************************************/ | |
20 | ||
003cfc63 | 21 | #ifndef _WIN32 |
22 | #include <sys/time.h> // gettimeofday in xa.c | |
63a4f6b6 | 23 | #define THREAD_ENABLED 1 |
003cfc63 | 24 | #endif |
ef79bbde P |
25 | #include "stdafx.h" |
26 | ||
27 | #define _IN_SPU | |
28 | ||
29 | #include "externals.h" | |
3fc2a4c2 | 30 | #include "registers.h" |
07c13dfd | 31 | #include "out.h" |
665f33e1 | 32 | #include "arm_features.h" |
3154bfab | 33 | #include "spu_config.h" |
ef79bbde | 34 | |
a80ae4a0 | 35 | #ifdef __ARM_ARCH_7A__ |
1775933a | 36 | #define ssat32_to_16(v) \ |
37 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
38 | #else | |
39 | #define ssat32_to_16(v) do { \ | |
40 | if (v < -32768) v = -32768; \ | |
41 | else if (v > 32767) v = 32767; \ | |
42 | } while (0) | |
43 | #endif | |
44 | ||
fb552464 | 45 | #define PSXCLK 33868800 /* 33.8688 MHz */ |
46 | ||
650adfd2 | 47 | // intended to be ~1 frame |
48 | #define IRQ_NEAR_BLOCKS 32 | |
49 | ||
6d866bb7 | 50 | /* |
ef79bbde P |
51 | #if defined (USEMACOSX) |
52 | static char * libraryName = N_("Mac OS X Sound"); | |
53 | #elif defined (USEALSA) | |
54 | static char * libraryName = N_("ALSA Sound"); | |
55 | #elif defined (USEOSS) | |
56 | static char * libraryName = N_("OSS Sound"); | |
57 | #elif defined (USESDL) | |
58 | static char * libraryName = N_("SDL Sound"); | |
59 | #elif defined (USEPULSEAUDIO) | |
60 | static char * libraryName = N_("PulseAudio Sound"); | |
61 | #else | |
62 | static char * libraryName = N_("NULL Sound"); | |
63 | #endif | |
64 | ||
65 | static char * libraryInfo = N_("P.E.Op.S. Sound Driver V1.7\nCoded by Pete Bernert and the P.E.Op.S. team\n"); | |
6d866bb7 | 66 | */ |
ef79bbde P |
67 | |
68 | // globals | |
69 | ||
3154bfab | 70 | SPUInfo spu; |
71 | SPUConfig spu_config; | |
ef79bbde P |
72 | |
73 | // MAIN infos struct for each channel | |
74 | ||
ef79bbde P |
75 | REVERBInfo rvb; |
76 | ||
63a4f6b6 | 77 | #ifdef THREAD_ENABLED |
78 | ||
63a4f6b6 | 79 | // worker thread state |
5514a050 | 80 | static struct spu_worker { |
63a4f6b6 | 81 | unsigned int pending:1; |
82 | unsigned int exit_thread:1; | |
83 | int ns_to; | |
84 | int ctrl; | |
85 | int decode_pos; | |
86 | int silentch; | |
63a4f6b6 | 87 | unsigned int chmask; |
88 | unsigned int r_chan_end; | |
89 | unsigned int r_decode_dirty; | |
63a4f6b6 | 90 | struct { |
91 | int spos; | |
92 | int sbpos; | |
93 | int sinc; | |
94 | int start; | |
95 | int loop; | |
96 | int ns_to; | |
97 | ADSRInfoEx adsr; | |
98 | // might want to add vol and fmod flags.. | |
99 | } ch[24]; | |
100 | } *worker; | |
101 | ||
102 | #else | |
103 | static const void * const worker = NULL; | |
104 | #endif | |
105 | ||
ef79bbde P |
106 | // certain globals (were local before, but with the new timeproc I need em global) |
107 | ||
5514a050 | 108 | static int iFMod[NSSIZE]; |
3154bfab | 109 | int ChanBuf[NSSIZE]; |
5514a050 | 110 | int *SSumLR; |
ef79bbde | 111 | |
983a7cfd | 112 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
113 | ||
ef79bbde P |
114 | //////////////////////////////////////////////////////////////////////// |
115 | // CODE AREA | |
116 | //////////////////////////////////////////////////////////////////////// | |
117 | ||
118 | // dirty inline func includes | |
119 | ||
120 | #include "reverb.c" | |
121 | #include "adsr.c" | |
122 | ||
123 | //////////////////////////////////////////////////////////////////////// | |
124 | // helpers for simple interpolation | |
125 | ||
126 | // | |
127 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
128 | // | |
129 | // instead of having n equal sample values in a row like: | |
130 | // ____ | |
131 | // |____ | |
132 | // | |
133 | // we compare the current delta change with the next delta change. | |
134 | // | |
135 | // if curr_delta is positive, | |
136 | // | |
137 | // - and next delta is smaller (or changing direction): | |
138 | // \. | |
139 | // -__ | |
140 | // | |
141 | // - and next delta significant (at least twice) bigger: | |
142 | // --_ | |
143 | // \. | |
144 | // | |
145 | // - and next delta is nearly same: | |
146 | // \. | |
147 | // \. | |
148 | // | |
149 | // | |
150 | // if curr_delta is negative, | |
151 | // | |
152 | // - and next delta is smaller (or changing direction): | |
153 | // _-- | |
154 | // / | |
155 | // | |
156 | // - and next delta significant (at least twice) bigger: | |
157 | // / | |
158 | // __- | |
159 | // | |
160 | // - and next delta is nearly same: | |
161 | // / | |
162 | // / | |
163 | // | |
164 | ||
011755d7 | 165 | static void InterpolateUp(int *SB, int sinc) |
ef79bbde | 166 | { |
011755d7 | 167 | if(SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass |
ef79bbde | 168 | { |
011755d7 | 169 | const int id1=SB[30]-SB[29]; // curr delta to next val |
170 | const int id2=SB[31]-SB[30]; // and next delta to next-next val :) | |
ef79bbde | 171 | |
011755d7 | 172 | SB[32]=0; |
ef79bbde P |
173 | |
174 | if(id1>0) // curr delta positive | |
175 | { | |
176 | if(id2<id1) | |
011755d7 | 177 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
178 | else |
179 | if(id2<(id1<<1)) | |
011755d7 | 180 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 181 | else |
011755d7 | 182 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
183 | } |
184 | else // curr delta negative | |
185 | { | |
186 | if(id2>id1) | |
011755d7 | 187 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
188 | else |
189 | if(id2>(id1<<1)) | |
011755d7 | 190 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 191 | else |
011755d7 | 192 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
193 | } |
194 | } | |
195 | else | |
011755d7 | 196 | if(SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass |
ef79bbde | 197 | { |
011755d7 | 198 | SB[32]=0; |
ef79bbde | 199 | |
011755d7 | 200 | SB[28]=(SB[28]*sinc)>>17; |
201 | //if(sinc<=0x8000) | |
202 | // SB[29]=SB[30]-(SB[28]*((0x10000/sinc)-1)); | |
76d1d09c | 203 | //else |
011755d7 | 204 | SB[29]+=SB[28]; |
ef79bbde P |
205 | } |
206 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
011755d7 | 207 | SB[29]+=SB[28]; |
ef79bbde P |
208 | } |
209 | ||
210 | // | |
211 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
212 | // | |
213 | ||
011755d7 | 214 | static void InterpolateDown(int *SB, int sinc) |
ef79bbde | 215 | { |
011755d7 | 216 | if(sinc>=0x20000L) // we would skip at least one val? |
ef79bbde | 217 | { |
011755d7 | 218 | SB[29]+=(SB[30]-SB[29])/2; // add easy weight |
219 | if(sinc>=0x30000L) // we would skip even more vals? | |
220 | SB[29]+=(SB[31]-SB[30])/2; // add additional next weight | |
ef79bbde P |
221 | } |
222 | } | |
223 | ||
224 | //////////////////////////////////////////////////////////////////////// | |
225 | // helpers for gauss interpolation | |
226 | ||
011755d7 | 227 | #define gval0 (((short*)(&SB[29]))[gpos&3]) |
228 | #define gval(x) ((int)((short*)(&SB[29]))[(gpos+x)&3]) | |
ef79bbde P |
229 | |
230 | #include "gauss_i.h" | |
231 | ||
232 | //////////////////////////////////////////////////////////////////////// | |
233 | ||
234 | #include "xa.c" | |
235 | ||
e4f075af | 236 | static void do_irq(void) |
237 | { | |
3154bfab | 238 | //if(!(spu.spuStat & STAT_IRQ)) |
e4f075af | 239 | { |
3154bfab | 240 | spu.spuStat |= STAT_IRQ; // asserted status? |
241 | if(spu.irqCallback) spu.irqCallback(); | |
e4f075af | 242 | } |
243 | } | |
244 | ||
245 | static int check_irq(int ch, unsigned char *pos) | |
246 | { | |
3154bfab | 247 | if((spu.spuCtrl & CTRL_IRQ) && pos == spu.pSpuIrq) |
e4f075af | 248 | { |
3154bfab | 249 | //printf("ch%d irq %04x\n", ch, pos - spu.spuMemC); |
e4f075af | 250 | do_irq(); |
251 | return 1; | |
252 | } | |
253 | return 0; | |
254 | } | |
255 | ||
ef79bbde P |
256 | //////////////////////////////////////////////////////////////////////// |
257 | // START SOUND... called by main thread to setup a new sound on a channel | |
258 | //////////////////////////////////////////////////////////////////////// | |
259 | ||
260 | INLINE void StartSound(int ch) | |
261 | { | |
5514a050 | 262 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
263 | ||
ef79bbde P |
264 | StartADSR(ch); |
265 | StartREVERB(ch); | |
266 | ||
5514a050 | 267 | s_chan->prevflags=2; |
ef79bbde | 268 | |
5514a050 | 269 | s_chan->SB[26]=0; // init mixing vars |
270 | s_chan->SB[27]=0; | |
271 | s_chan->iSBPos=27; | |
ef79bbde | 272 | |
5514a050 | 273 | s_chan->SB[28]=0; |
274 | s_chan->SB[29]=0; // init our interpolation helpers | |
275 | s_chan->SB[30]=0; | |
276 | s_chan->SB[31]=0; | |
277 | s_chan->spos=0; | |
ef79bbde | 278 | |
3154bfab | 279 | spu.dwNewChannel&=~(1<<ch); // clear new channel bit |
4ccd0fb2 | 280 | spu.dwChannelOn|=1<<ch; |
281 | spu.dwChannelDead&=~(1<<ch); | |
ef79bbde P |
282 | } |
283 | ||
284 | //////////////////////////////////////////////////////////////////////// | |
285 | // ALL KIND OF HELPERS | |
286 | //////////////////////////////////////////////////////////////////////// | |
287 | ||
011755d7 | 288 | INLINE int FModChangeFrequency(int *SB, int pitch, int ns) |
ef79bbde | 289 | { |
011755d7 | 290 | unsigned int NP=pitch; |
07a6dd2c | 291 | int sinc; |
ef79bbde | 292 | |
011755d7 | 293 | NP=((32768L+iFMod[ns])*NP)>>15; |
ef79bbde P |
294 | |
295 | if(NP>0x3fff) NP=0x3fff; | |
296 | if(NP<0x1) NP=0x1; | |
297 | ||
7e44d49d | 298 | sinc=NP<<4; // calc frequency |
3154bfab | 299 | if(spu_config.iUseInterpolation==1) // freq change in simple interpolation mode |
011755d7 | 300 | SB[32]=1; |
ef79bbde | 301 | iFMod[ns]=0; |
07a6dd2c | 302 | |
303 | return sinc; | |
ef79bbde P |
304 | } |
305 | ||
306 | //////////////////////////////////////////////////////////////////////// | |
307 | ||
011755d7 | 308 | INLINE void StoreInterpolationVal(int *SB, int sinc, int fa, int fmod_freq) |
ef79bbde | 309 | { |
011755d7 | 310 | if(fmod_freq) // fmod freq channel |
311 | SB[29]=fa; | |
ef79bbde P |
312 | else |
313 | { | |
381ea103 | 314 | ssat32_to_16(fa); |
ef79bbde | 315 | |
3154bfab | 316 | if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation |
011755d7 | 317 | { |
318 | int gpos = SB[28]; | |
319 | gval0 = fa; | |
ef79bbde | 320 | gpos = (gpos+1) & 3; |
011755d7 | 321 | SB[28] = gpos; |
ef79bbde P |
322 | } |
323 | else | |
3154bfab | 324 | if(spu_config.iUseInterpolation==1) // simple interpolation |
ef79bbde | 325 | { |
011755d7 | 326 | SB[28] = 0; |
327 | SB[29] = SB[30]; // -> helpers for simple linear interpolation: delay real val for two slots, and calc the two deltas, for a 'look at the future behaviour' | |
328 | SB[30] = SB[31]; | |
329 | SB[31] = fa; | |
330 | SB[32] = 1; // -> flag: calc new interolation | |
ef79bbde | 331 | } |
011755d7 | 332 | else SB[29]=fa; // no interpolation |
ef79bbde P |
333 | } |
334 | } | |
335 | ||
336 | //////////////////////////////////////////////////////////////////////// | |
337 | ||
011755d7 | 338 | INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) |
ef79bbde P |
339 | { |
340 | int fa; | |
341 | ||
011755d7 | 342 | if(fmod_freq) return SB[29]; |
ef79bbde | 343 | |
3154bfab | 344 | switch(spu_config.iUseInterpolation) |
011755d7 | 345 | { |
ef79bbde P |
346 | //--------------------------------------------------// |
347 | case 3: // cubic interpolation | |
348 | { | |
349 | long xd;int gpos; | |
8cd23d6d | 350 | xd = (spos >> 1)+1; |
011755d7 | 351 | gpos = SB[28]; |
ef79bbde P |
352 | |
353 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
354 | fa *= (xd - (2<<15)) / 6; | |
355 | fa >>= 15; | |
356 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
357 | fa *= (xd - (1<<15)) >> 1; | |
358 | fa >>= 15; | |
359 | fa += gval(1) - gval0; | |
360 | fa *= xd; | |
361 | fa >>= 15; | |
362 | fa = fa + gval0; | |
363 | ||
364 | } break; | |
365 | //--------------------------------------------------// | |
366 | case 2: // gauss interpolation | |
367 | { | |
368 | int vl, vr;int gpos; | |
8cd23d6d | 369 | vl = (spos >> 6) & ~3; |
011755d7 | 370 | gpos = SB[28]; |
f05d6ca2 | 371 | vr=(gauss[vl]*(int)gval0)&~2047; |
ef79bbde P |
372 | vr+=(gauss[vl+1]*gval(1))&~2047; |
373 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
374 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
375 | fa = vr>>11; | |
376 | } break; | |
377 | //--------------------------------------------------// | |
378 | case 1: // simple interpolation | |
379 | { | |
011755d7 | 380 | if(sinc<0x10000L) // -> upsampling? |
381 | InterpolateUp(SB, sinc); // --> interpolate up | |
382 | else InterpolateDown(SB, sinc); // --> else down | |
383 | fa=SB[29]; | |
ef79bbde P |
384 | } break; |
385 | //--------------------------------------------------// | |
386 | default: // no interpolation | |
387 | { | |
011755d7 | 388 | fa=SB[29]; |
ef79bbde P |
389 | } break; |
390 | //--------------------------------------------------// | |
391 | } | |
392 | ||
393 | return fa; | |
394 | } | |
395 | ||
381ea103 | 396 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
397 | { | |
5514a050 | 398 | static const int f[16][2] = { |
399 | { 0, 0 }, | |
400 | { 60, 0 }, | |
401 | { 115, -52 }, | |
402 | { 98, -55 }, | |
403 | { 122, -60 } | |
404 | }; | |
381ea103 | 405 | int nSample; |
406 | int fa, s_1, s_2, d, s; | |
407 | ||
408 | s_1 = dest[27]; | |
409 | s_2 = dest[26]; | |
410 | ||
411 | for (nSample = 0; nSample < 28; src++) | |
412 | { | |
413 | d = (int)*src; | |
414 | s = (int)(signed short)((d & 0x0f) << 12); | |
415 | ||
416 | fa = s >> shift_factor; | |
417 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
418 | s_2=s_1;s_1=fa; | |
419 | ||
420 | dest[nSample++] = fa; | |
421 | ||
422 | s = (int)(signed short)((d & 0xf0) << 8); | |
423 | fa = s >> shift_factor; | |
424 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
425 | s_2=s_1;s_1=fa; | |
426 | ||
427 | dest[nSample++] = fa; | |
428 | } | |
429 | } | |
430 | ||
011755d7 | 431 | static int decode_block(int ch, int *SB) |
e11ae5c5 | 432 | { |
5514a050 | 433 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
e11ae5c5 | 434 | unsigned char *start; |
215ff9e6 | 435 | int predict_nr, shift_factor, flags; |
e11ae5c5 | 436 | int ret = 0; |
437 | ||
5514a050 | 438 | start = s_chan->pCurr; // set up the current pos |
215ff9e6 | 439 | if (start == spu.spuMemC) // ? |
440 | ret = 1; | |
e11ae5c5 | 441 | |
5514a050 | 442 | if (s_chan->prevflags & 1) // 1: stop/loop |
3fc2a4c2 | 443 | { |
5514a050 | 444 | if (!(s_chan->prevflags & 2)) |
215ff9e6 | 445 | ret = 1; |
e4f075af | 446 | |
5514a050 | 447 | start = s_chan->pLoop; |
3fc2a4c2 | 448 | } |
89cb2058 | 449 | else |
215ff9e6 | 450 | check_irq(ch, start); // hack, see check_irq below.. |
e11ae5c5 | 451 | |
5514a050 | 452 | predict_nr = start[0]; |
215ff9e6 | 453 | shift_factor = predict_nr & 0xf; |
e11ae5c5 | 454 | predict_nr >>= 4; |
e11ae5c5 | 455 | |
011755d7 | 456 | decode_block_data(SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 457 | |
215ff9e6 | 458 | flags = start[1]; |
459 | if (flags & 4) | |
5514a050 | 460 | s_chan->pLoop = start; // loop adress |
e11ae5c5 | 461 | |
215ff9e6 | 462 | start += 16; |
3fc2a4c2 | 463 | |
215ff9e6 | 464 | if (flags & 1) { // 1: stop/loop |
5514a050 | 465 | start = s_chan->pLoop; |
215ff9e6 | 466 | check_irq(ch, start); // hack.. :( |
89cb2058 | 467 | } |
e11ae5c5 | 468 | |
3154bfab | 469 | if (start - spu.spuMemC >= 0x80000) |
470 | start = spu.spuMemC; | |
e4f075af | 471 | |
5514a050 | 472 | s_chan->pCurr = start; // store values for next cycle |
473 | s_chan->prevflags = flags; | |
e11ae5c5 | 474 | |
475 | return ret; | |
476 | } | |
477 | ||
07a6dd2c | 478 | // do block, but ignore sample data |
479 | static int skip_block(int ch) | |
480 | { | |
5514a050 | 481 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
482 | unsigned char *start = s_chan->pCurr; | |
215ff9e6 | 483 | int flags; |
484 | int ret = 0; | |
485 | ||
5514a050 | 486 | if (s_chan->prevflags & 1) { |
487 | if (!(s_chan->prevflags & 2)) | |
215ff9e6 | 488 | ret = 1; |
07a6dd2c | 489 | |
5514a050 | 490 | start = s_chan->pLoop; |
215ff9e6 | 491 | } |
492 | else | |
493 | check_irq(ch, start); | |
07a6dd2c | 494 | |
215ff9e6 | 495 | flags = start[1]; |
496 | if (flags & 4) | |
5514a050 | 497 | s_chan->pLoop = start; |
07a6dd2c | 498 | |
e4f075af | 499 | start += 16; |
07a6dd2c | 500 | |
215ff9e6 | 501 | if (flags & 1) { |
5514a050 | 502 | start = s_chan->pLoop; |
215ff9e6 | 503 | check_irq(ch, start); |
504 | } | |
07a6dd2c | 505 | |
5514a050 | 506 | s_chan->pCurr = start; |
507 | s_chan->prevflags = flags; | |
e4f075af | 508 | |
89cb2058 | 509 | return ret; |
07a6dd2c | 510 | } |
511 | ||
63a4f6b6 | 512 | #ifdef THREAD_ENABLED |
513 | ||
514 | static int decode_block_work(int ch, int *SB) | |
515 | { | |
5514a050 | 516 | const unsigned char *ram = spu.spuMemC; |
63a4f6b6 | 517 | int predict_nr, shift_factor, flags; |
63a4f6b6 | 518 | int start = worker->ch[ch].start; |
519 | int loop = worker->ch[ch].loop; | |
520 | ||
521 | predict_nr = ram[start]; | |
522 | shift_factor = predict_nr & 0xf; | |
523 | predict_nr >>= 4; | |
524 | ||
525 | decode_block_data(SB, ram + start + 2, predict_nr, shift_factor); | |
526 | ||
527 | flags = ram[start + 1]; | |
528 | if (flags & 4) | |
529 | loop = start; // loop adress | |
530 | ||
531 | start += 16; | |
532 | ||
533 | if (flags & 1) // 1: stop/loop | |
534 | start = loop; | |
535 | ||
536 | worker->ch[ch].start = start & 0x7ffff; | |
537 | worker->ch[ch].loop = loop; | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
542 | #endif | |
543 | ||
650adfd2 | 544 | // if irq is going to trigger sooner than in upd_samples, set upd_samples |
545 | static void scan_for_irq(int ch, unsigned int *upd_samples) | |
546 | { | |
5514a050 | 547 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
650adfd2 | 548 | int pos, sinc, sinc_inv, end; |
549 | unsigned char *block; | |
550 | int flags; | |
551 | ||
5514a050 | 552 | block = s_chan->pCurr; |
553 | pos = s_chan->spos; | |
554 | sinc = s_chan->sinc; | |
650adfd2 | 555 | end = pos + *upd_samples * sinc; |
556 | ||
5514a050 | 557 | pos += (28 - s_chan->iSBPos) << 16; |
650adfd2 | 558 | while (pos < end) |
559 | { | |
3154bfab | 560 | if (block == spu.pSpuIrq) |
650adfd2 | 561 | break; |
562 | flags = block[1]; | |
563 | block += 16; | |
564 | if (flags & 1) { // 1: stop/loop | |
5514a050 | 565 | block = s_chan->pLoop; |
3154bfab | 566 | if (block == spu.pSpuIrq) // hack.. (see decode_block) |
650adfd2 | 567 | break; |
568 | } | |
569 | pos += 28 << 16; | |
570 | } | |
571 | ||
572 | if (pos < end) | |
573 | { | |
5514a050 | 574 | sinc_inv = s_chan->sinc_inv; |
650adfd2 | 575 | if (sinc_inv == 0) |
5514a050 | 576 | sinc_inv = s_chan->sinc_inv = (0x80000000u / (uint32_t)sinc) << 1; |
650adfd2 | 577 | |
5514a050 | 578 | pos -= s_chan->spos; |
650adfd2 | 579 | *upd_samples = (((uint64_t)pos * sinc_inv) >> 32) + 1; |
580 | //xprintf("ch%02d: irq sched: %3d %03d\n", | |
581 | // ch, *upd_samples, *upd_samples * 60 * 263 / 44100); | |
582 | } | |
583 | } | |
584 | ||
07a6dd2c | 585 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ |
63a4f6b6 | 586 | static noinline int do_samples_##name(int (*decode_f)(int ch, int *SB), int ch, \ |
587 | int ns_to, int *SB, int sinc, int *spos, int *sbpos) \ | |
07a6dd2c | 588 | { \ |
215ff9e6 | 589 | int ns, d, fa; \ |
590 | int ret = ns_to; \ | |
07a6dd2c | 591 | interp_start; \ |
592 | \ | |
215ff9e6 | 593 | for (ns = 0; ns < ns_to; ns++) \ |
07a6dd2c | 594 | { \ |
595 | fmod_code; \ | |
596 | \ | |
63a4f6b6 | 597 | *spos += sinc; \ |
598 | while (*spos >= 0x10000) \ | |
07a6dd2c | 599 | { \ |
63a4f6b6 | 600 | fa = SB[(*sbpos)++]; \ |
601 | if (*sbpos >= 28) \ | |
07a6dd2c | 602 | { \ |
63a4f6b6 | 603 | *sbpos = 0; \ |
604 | d = decode_f(ch, SB); \ | |
215ff9e6 | 605 | if (d && ns < ret) \ |
606 | ret = ns; \ | |
07a6dd2c | 607 | } \ |
608 | \ | |
07a6dd2c | 609 | interp1_code; \ |
63a4f6b6 | 610 | *spos -= 0x10000; \ |
07a6dd2c | 611 | } \ |
612 | \ | |
613 | interp2_code; \ | |
07a6dd2c | 614 | } \ |
615 | \ | |
07a6dd2c | 616 | interp_end; \ |
617 | \ | |
618 | return ret; \ | |
619 | } | |
620 | ||
621 | #define fmod_recv_check \ | |
5514a050 | 622 | if(spu.s_chan[ch].bFMod==1 && iFMod[ns]) \ |
623 | sinc = FModChangeFrequency(SB, spu.s_chan[ch].iRawPitch, ns) | |
07a6dd2c | 624 | |
625 | make_do_samples(default, fmod_recv_check, , | |
5514a050 | 626 | StoreInterpolationVal(SB, sinc, fa, spu.s_chan[ch].bFMod==2), |
627 | ChanBuf[ns] = iGetInterpolationVal(SB, sinc, *spos, spu.s_chan[ch].bFMod==2), ) | |
011755d7 | 628 | make_do_samples(noint, , fa = SB[29], , ChanBuf[ns] = fa, SB[29] = fa) |
07a6dd2c | 629 | |
630 | #define simple_interp_store \ | |
215ff9e6 | 631 | SB[28] = 0; \ |
632 | SB[29] = SB[30]; \ | |
633 | SB[30] = SB[31]; \ | |
634 | SB[31] = fa; \ | |
635 | SB[32] = 1 | |
07a6dd2c | 636 | |
637 | #define simple_interp_get \ | |
011755d7 | 638 | if(sinc<0x10000) /* -> upsampling? */ \ |
639 | InterpolateUp(SB, sinc); /* --> interpolate up */ \ | |
640 | else InterpolateDown(SB, sinc); /* --> else down */ \ | |
641 | ChanBuf[ns] = SB[29] | |
07a6dd2c | 642 | |
643 | make_do_samples(simple, , , | |
644 | simple_interp_store, simple_interp_get, ) | |
645 | ||
215ff9e6 | 646 | static int do_samples_skip(int ch, int ns_to) |
07a6dd2c | 647 | { |
5514a050 | 648 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
215ff9e6 | 649 | int ret = ns_to, ns, d; |
b1094d0e | 650 | |
5514a050 | 651 | s_chan->spos += s_chan->iSBPos << 16; |
215ff9e6 | 652 | |
653 | for (ns = 0; ns < ns_to; ns++) | |
07a6dd2c | 654 | { |
5514a050 | 655 | s_chan->spos += s_chan->sinc; |
656 | while (s_chan->spos >= 28*0x10000) | |
215ff9e6 | 657 | { |
658 | d = skip_block(ch); | |
659 | if (d && ns < ret) | |
660 | ret = ns; | |
5514a050 | 661 | s_chan->spos -= 28*0x10000; |
215ff9e6 | 662 | } |
07a6dd2c | 663 | } |
664 | ||
5514a050 | 665 | s_chan->iSBPos = s_chan->spos >> 16; |
666 | s_chan->spos &= 0xffff; | |
215ff9e6 | 667 | |
668 | return ret; | |
669 | } | |
670 | ||
671 | static void do_lsfr_samples(int ns_to, int ctrl, | |
672 | unsigned int *dwNoiseCount, unsigned int *dwNoiseVal) | |
673 | { | |
674 | unsigned int counter = *dwNoiseCount; | |
675 | unsigned int val = *dwNoiseVal; | |
676 | unsigned int level, shift, bit; | |
677 | int ns; | |
678 | ||
b1094d0e | 679 | // modified from DrHell/shalma, no fraction |
215ff9e6 | 680 | level = (ctrl >> 10) & 0x0f; |
b1094d0e | 681 | level = 0x8000 >> level; |
682 | ||
215ff9e6 | 683 | for (ns = 0; ns < ns_to; ns++) |
b1094d0e | 684 | { |
215ff9e6 | 685 | counter += 2; |
686 | if (counter >= level) | |
b1094d0e | 687 | { |
215ff9e6 | 688 | counter -= level; |
689 | shift = (val >> 10) & 0x1f; | |
b1094d0e | 690 | bit = (0x69696969 >> shift) & 1; |
215ff9e6 | 691 | bit ^= (val >> 15) & 1; |
692 | val = (val << 1) | bit; | |
b1094d0e | 693 | } |
694 | ||
215ff9e6 | 695 | ChanBuf[ns] = (signed short)val; |
b1094d0e | 696 | } |
07a6dd2c | 697 | |
215ff9e6 | 698 | *dwNoiseCount = counter; |
699 | *dwNoiseVal = val; | |
700 | } | |
701 | ||
702 | static int do_samples_noise(int ch, int ns_to) | |
703 | { | |
704 | int ret; | |
705 | ||
706 | ret = do_samples_skip(ch, ns_to); | |
707 | ||
708 | do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal); | |
709 | ||
89cb2058 | 710 | return ret; |
07a6dd2c | 711 | } |
712 | ||
665f33e1 | 713 | #ifdef HAVE_ARMV5 |
3a721c1f | 714 | // asm code; lv and rv must be 0-3fff |
b17618c0 | 715 | extern void mix_chan(int start, int count, int lv, int rv); |
3154bfab | 716 | extern void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb); |
b17618c0 | 717 | #else |
718 | static void mix_chan(int start, int count, int lv, int rv) | |
719 | { | |
720 | int *dst = SSumLR + start * 2; | |
721 | const int *src = ChanBuf + start; | |
722 | int l, r; | |
723 | ||
724 | while (count--) | |
725 | { | |
726 | int sval = *src++; | |
727 | ||
728 | l = (sval * lv) >> 14; | |
729 | r = (sval * rv) >> 14; | |
730 | *dst++ += l; | |
731 | *dst++ += r; | |
732 | } | |
733 | } | |
734 | ||
3154bfab | 735 | static void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb) |
b17618c0 | 736 | { |
737 | int *dst = SSumLR + start * 2; | |
3154bfab | 738 | int *drvb = rvb + start * 2; |
b17618c0 | 739 | const int *src = ChanBuf + start; |
740 | int l, r; | |
741 | ||
742 | while (count--) | |
743 | { | |
744 | int sval = *src++; | |
745 | ||
746 | l = (sval * lv) >> 14; | |
747 | r = (sval * rv) >> 14; | |
748 | *dst++ += l; | |
749 | *dst++ += r; | |
750 | *drvb++ += l; | |
751 | *drvb++ += r; | |
752 | } | |
753 | } | |
754 | #endif | |
755 | ||
b72f17a1 | 756 | // 0x0800-0x0bff Voice 1 |
757 | // 0x0c00-0x0fff Voice 3 | |
215ff9e6 | 758 | static noinline void do_decode_bufs(unsigned short *mem, int which, |
759 | int count, int decode_pos) | |
b72f17a1 | 760 | { |
215ff9e6 | 761 | unsigned short *dst = &mem[0x800/2 + which*0x400/2]; |
762 | const int *src = ChanBuf; | |
763 | int cursor = decode_pos; | |
b72f17a1 | 764 | |
765 | while (count-- > 0) | |
766 | { | |
ee9afdbd | 767 | cursor &= 0x1ff; |
b72f17a1 | 768 | dst[cursor] = *src++; |
ee9afdbd | 769 | cursor++; |
b72f17a1 | 770 | } |
771 | ||
772 | // decode_pos is updated and irqs are checked later, after voice loop | |
773 | } | |
774 | ||
215ff9e6 | 775 | static void do_silent_chans(int ns_to, int silentch) |
776 | { | |
5514a050 | 777 | unsigned int mask; |
778 | SPUCHAN *s_chan; | |
215ff9e6 | 779 | int ch; |
780 | ||
5514a050 | 781 | mask = silentch & 0xffffff; |
782 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
215ff9e6 | 783 | { |
5514a050 | 784 | if (!(mask & 1)) continue; |
215ff9e6 | 785 | if (spu.dwChannelDead & (1<<ch)) continue; |
5514a050 | 786 | |
787 | s_chan = &spu.s_chan[ch]; | |
788 | if (s_chan->pCurr > spu.pSpuIrq && s_chan->pLoop > spu.pSpuIrq) | |
215ff9e6 | 789 | continue; |
790 | ||
5514a050 | 791 | s_chan->spos += s_chan->iSBPos << 16; |
792 | s_chan->iSBPos = 0; | |
215ff9e6 | 793 | |
5514a050 | 794 | s_chan->spos += s_chan->sinc * ns_to; |
795 | while (s_chan->spos >= 28 * 0x10000) | |
215ff9e6 | 796 | { |
5514a050 | 797 | unsigned char *start = s_chan->pCurr; |
215ff9e6 | 798 | |
799 | skip_block(ch); | |
5514a050 | 800 | if (start == s_chan->pCurr || start - spu.spuMemC < 0x1000) |
215ff9e6 | 801 | { |
802 | // looping on self or stopped(?) | |
803 | spu.dwChannelDead |= 1<<ch; | |
5514a050 | 804 | s_chan->spos = 0; |
215ff9e6 | 805 | break; |
806 | } | |
807 | ||
5514a050 | 808 | s_chan->spos -= 28 * 0x10000; |
215ff9e6 | 809 | } |
810 | } | |
811 | } | |
812 | ||
813 | static void do_channels(int ns_to) | |
814 | { | |
815 | unsigned int mask; | |
5514a050 | 816 | SPUCHAN *s_chan; |
63a4f6b6 | 817 | int *SB, sinc; |
215ff9e6 | 818 | int ch, d; |
819 | ||
820 | InitREVERB(ns_to); | |
821 | ||
822 | mask = spu.dwChannelOn & 0xffffff; | |
823 | for (ch = 0; mask != 0; ch++, mask >>= 1) // loop em all... | |
824 | { | |
825 | if (!(mask & 1)) continue; // channel not playing? next | |
826 | ||
5514a050 | 827 | s_chan = &spu.s_chan[ch]; |
828 | SB = s_chan->SB; | |
829 | sinc = s_chan->sinc; | |
63a4f6b6 | 830 | |
5514a050 | 831 | if (s_chan->bNoise) |
215ff9e6 | 832 | d = do_samples_noise(ch, ns_to); |
5514a050 | 833 | else if (s_chan->bFMod == 2 |
834 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
63a4f6b6 | 835 | d = do_samples_noint(decode_block, ch, ns_to, |
5514a050 | 836 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
837 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) | |
63a4f6b6 | 838 | d = do_samples_simple(decode_block, ch, ns_to, |
5514a050 | 839 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 840 | else |
63a4f6b6 | 841 | d = do_samples_default(decode_block, ch, ns_to, |
5514a050 | 842 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 843 | |
5514a050 | 844 | d = MixADSR(&s_chan->ADSRX, d); |
215ff9e6 | 845 | if (d < ns_to) { |
846 | spu.dwChannelOn &= ~(1 << ch); | |
5514a050 | 847 | s_chan->ADSRX.EnvelopeVol = 0; |
215ff9e6 | 848 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
849 | } | |
850 | ||
851 | if (ch == 1 || ch == 3) | |
852 | { | |
853 | do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos); | |
854 | spu.decode_dirty_ch |= 1 << ch; | |
855 | } | |
856 | ||
5514a050 | 857 | if (s_chan->bFMod == 2) // fmod freq channel |
215ff9e6 | 858 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 859 | if (s_chan->bRVBActive) |
860 | mix_chan_rvb(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, spu.sRVBStart); | |
215ff9e6 | 861 | else |
5514a050 | 862 | mix_chan(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
215ff9e6 | 863 | } |
864 | } | |
865 | ||
63a4f6b6 | 866 | static void do_samples_finish(int ns_to, int silentch, int decode_pos); |
867 | ||
868 | // optional worker thread handling | |
869 | ||
870 | #ifdef THREAD_ENABLED | |
871 | ||
5514a050 | 872 | static void thread_work_start(void); |
873 | static void thread_work_wait_sync(void); | |
874 | ||
63a4f6b6 | 875 | static void queue_channel_work(int ns_to, int silentch) |
876 | { | |
5514a050 | 877 | const SPUCHAN *s_chan; |
63a4f6b6 | 878 | unsigned int mask; |
879 | int ch; | |
880 | ||
881 | worker->ns_to = ns_to; | |
882 | worker->ctrl = spu.spuCtrl; | |
883 | worker->decode_pos = spu.decode_pos; | |
884 | worker->silentch = silentch; | |
63a4f6b6 | 885 | |
886 | mask = worker->chmask = spu.dwChannelOn & 0xffffff; | |
887 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
888 | { | |
889 | if (!(mask & 1)) continue; | |
890 | ||
5514a050 | 891 | s_chan = &spu.s_chan[ch]; |
892 | worker->ch[ch].spos = s_chan->spos; | |
893 | worker->ch[ch].sbpos = s_chan->iSBPos; | |
894 | worker->ch[ch].sinc = s_chan->sinc; | |
895 | worker->ch[ch].adsr = s_chan->ADSRX; | |
896 | worker->ch[ch].start = s_chan->pCurr - spu.spuMemC; | |
897 | worker->ch[ch].loop = s_chan->pLoop - spu.spuMemC; | |
898 | if (s_chan->prevflags & 1) | |
63a4f6b6 | 899 | worker->ch[ch].start = worker->ch[ch].loop; |
900 | ||
901 | worker->ch[ch].ns_to = do_samples_skip(ch, ns_to); | |
902 | } | |
903 | ||
904 | worker->pending = 1; | |
5514a050 | 905 | thread_work_start(); |
63a4f6b6 | 906 | } |
907 | ||
908 | static void do_channel_work(void) | |
909 | { | |
910 | unsigned int mask, endmask = 0; | |
911 | unsigned int decode_dirty_ch = 0; | |
912 | int *SB, sinc, spos, sbpos; | |
913 | int d, ch, ns_to; | |
5514a050 | 914 | SPUCHAN *s_chan; |
63a4f6b6 | 915 | |
916 | ns_to = worker->ns_to; | |
5514a050 | 917 | memset(spu.sRVBStart, 0, ns_to * sizeof(spu.sRVBStart[0]) * 2); |
63a4f6b6 | 918 | |
919 | mask = worker->chmask; | |
920 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
921 | { | |
922 | if (!(mask & 1)) continue; | |
923 | ||
924 | d = worker->ch[ch].ns_to; | |
925 | spos = worker->ch[ch].spos; | |
926 | sbpos = worker->ch[ch].sbpos; | |
927 | sinc = worker->ch[ch].sinc; | |
63a4f6b6 | 928 | |
5514a050 | 929 | s_chan = &spu.s_chan[ch]; |
930 | SB = s_chan->SB; | |
931 | ||
932 | if (s_chan->bNoise) | |
63a4f6b6 | 933 | do_lsfr_samples(d, worker->ctrl, &spu.dwNoiseCount, &spu.dwNoiseVal); |
5514a050 | 934 | else if (s_chan->bFMod == 2 |
935 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
63a4f6b6 | 936 | do_samples_noint(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); |
5514a050 | 937 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) |
63a4f6b6 | 938 | do_samples_simple(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); |
939 | else | |
940 | do_samples_default(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); | |
941 | ||
942 | d = MixADSR(&worker->ch[ch].adsr, d); | |
943 | if (d < ns_to) { | |
944 | endmask |= 1 << ch; | |
945 | worker->ch[ch].adsr.EnvelopeVol = 0; | |
946 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); | |
947 | } | |
948 | ||
949 | if (ch == 1 || ch == 3) | |
950 | { | |
5514a050 | 951 | do_decode_bufs(spu.spuMem, ch/2, ns_to, worker->decode_pos); |
63a4f6b6 | 952 | decode_dirty_ch |= 1 << ch; |
953 | } | |
954 | ||
5514a050 | 955 | if (s_chan->bFMod == 2) // fmod freq channel |
63a4f6b6 | 956 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 957 | if (s_chan->bRVBActive) |
958 | mix_chan_rvb(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, spu.sRVBStart); | |
63a4f6b6 | 959 | else |
5514a050 | 960 | mix_chan(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
63a4f6b6 | 961 | } |
962 | ||
963 | worker->r_chan_end = endmask; | |
964 | worker->r_decode_dirty = decode_dirty_ch; | |
965 | } | |
966 | ||
967 | static void sync_worker_thread(void) | |
968 | { | |
969 | unsigned int mask; | |
970 | int ch; | |
971 | ||
972 | if (!worker->pending) | |
973 | return; | |
974 | ||
5514a050 | 975 | thread_work_wait_sync(); |
63a4f6b6 | 976 | worker->pending = 0; |
977 | ||
978 | mask = worker->chmask; | |
979 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
980 | if (!(mask & 1)) continue; | |
981 | ||
982 | // be sure there was no keyoff while thread was working | |
5514a050 | 983 | if (spu.s_chan[ch].ADSRX.State != ADSR_RELEASE) |
984 | spu.s_chan[ch].ADSRX.State = worker->ch[ch].adsr.State; | |
985 | spu.s_chan[ch].ADSRX.EnvelopeVol = worker->ch[ch].adsr.EnvelopeVol; | |
63a4f6b6 | 986 | } |
987 | ||
988 | spu.dwChannelOn &= ~worker->r_chan_end; | |
989 | spu.decode_dirty_ch |= worker->r_decode_dirty; | |
990 | ||
991 | do_samples_finish(worker->ns_to, worker->silentch, | |
992 | worker->decode_pos); | |
993 | } | |
994 | ||
995 | #else | |
996 | ||
997 | static void queue_channel_work(int ns_to, int silentch) {} | |
998 | static void sync_worker_thread(void) {} | |
999 | ||
1000 | #endif // THREAD_ENABLED | |
1001 | ||
ef79bbde P |
1002 | //////////////////////////////////////////////////////////////////////// |
1003 | // MAIN SPU FUNCTION | |
6d75977b | 1004 | // here is the main job handler... |
ef79bbde P |
1005 | //////////////////////////////////////////////////////////////////////// |
1006 | ||
63a4f6b6 | 1007 | void do_samples(unsigned int cycles_to, int do_sync) |
ef79bbde | 1008 | { |
215ff9e6 | 1009 | unsigned int mask; |
1010 | int ch, ns_to; | |
1011 | int silentch; | |
650adfd2 | 1012 | int cycle_diff; |
ef79bbde | 1013 | |
3154bfab | 1014 | cycle_diff = cycles_to - spu.cycles_played; |
650adfd2 | 1015 | if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) |
1016 | { | |
1017 | //xprintf("desync %u %d\n", cycles_to, cycle_diff); | |
3154bfab | 1018 | spu.cycles_played = cycles_to; |
650adfd2 | 1019 | return; |
1020 | } | |
e34a4bd3 | 1021 | |
650adfd2 | 1022 | if (cycle_diff < 2 * 768) |
1023 | return; | |
e34a4bd3 | 1024 | |
650adfd2 | 1025 | ns_to = (cycle_diff / 768 + 1) & ~1; |
1026 | if (ns_to > NSSIZE) { | |
1027 | // should never happen | |
1028 | //xprintf("ns_to oflow %d %d\n", ns_to, NSSIZE); | |
1029 | ns_to = NSSIZE; | |
1030 | } | |
1031 | ||
1032 | ////////////////////////////////////////////////////// | |
1033 | // special irq handling in the decode buffers (0x0000-0x1000) | |
1034 | // we know: | |
1035 | // the decode buffers are located in spu memory in the following way: | |
1036 | // 0x0000-0x03ff CD audio left | |
1037 | // 0x0400-0x07ff CD audio right | |
1038 | // 0x0800-0x0bff Voice 1 | |
1039 | // 0x0c00-0x0fff Voice 3 | |
1040 | // and decoded data is 16 bit for one sample | |
1041 | // we assume: | |
1042 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
1043 | // play positions will move on and wrap after 0x400 bytes. | |
1044 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
1045 | // increase this pointer on each sample by 2 bytes. If this pointer | |
1046 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
1047 | // an IRQ. | |
1048 | ||
3154bfab | 1049 | if (unlikely((spu.spuCtrl & CTRL_IRQ) |
c4c66b22 | 1050 | && spu.pSpuIrq < spu.spuMemC+0x1000)) |
650adfd2 | 1051 | { |
3154bfab | 1052 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1053 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1054 | if (0 < left && left <= ns_to) |
1055 | { | |
3154bfab | 1056 | //xprintf("decoder irq %x\n", spu.decode_pos); |
650adfd2 | 1057 | do_irq(); |
650adfd2 | 1058 | } |
1059 | } | |
1060 | ||
63a4f6b6 | 1061 | if (worker != NULL) |
1062 | sync_worker_thread(); | |
ef79bbde | 1063 | |
215ff9e6 | 1064 | mask = spu.dwNewChannel & 0xffffff; |
1065 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
1066 | if (mask & 1) | |
1067 | StartSound(ch); | |
1068 | } | |
174c454a | 1069 | |
63a4f6b6 | 1070 | silentch = ~spu.dwChannelOn & 0xffffff; |
1071 | ||
1072 | if (spu.dwChannelOn == 0) { | |
215ff9e6 | 1073 | InitREVERB(ns_to); |
63a4f6b6 | 1074 | do_samples_finish(ns_to, silentch, spu.decode_pos); |
1075 | } | |
215ff9e6 | 1076 | else { |
63a4f6b6 | 1077 | if (do_sync || worker == NULL || !spu_config.iUseThread) { |
1078 | do_channels(ns_to); | |
1079 | do_samples_finish(ns_to, silentch, spu.decode_pos); | |
1080 | } | |
1081 | else { | |
1082 | queue_channel_work(ns_to, silentch); | |
1083 | } | |
215ff9e6 | 1084 | } |
ef79bbde | 1085 | |
215ff9e6 | 1086 | // advance "stopped" channels that can cause irqs |
1087 | // (all chans are always playing on the real thing..) | |
1088 | if (spu.spuCtrl & CTRL_IRQ) | |
1089 | do_silent_chans(ns_to, silentch); | |
1090 | ||
1091 | spu.cycles_played += ns_to * 768; | |
1092 | spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff; | |
1093 | } | |
1094 | ||
63a4f6b6 | 1095 | static void do_samples_finish(int ns_to, int silentch, int decode_pos) |
215ff9e6 | 1096 | { |
1097 | int volmult = spu_config.iVolume; | |
1098 | int ns; | |
1099 | int d; | |
78c60846 | 1100 | |
3154bfab | 1101 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<1))) // must clear silent channel decode buffers |
b72f17a1 | 1102 | { |
3154bfab | 1103 | memset(&spu.spuMem[0x800/2], 0, 0x400); |
1104 | spu.decode_dirty_ch &= ~(1<<1); | |
b72f17a1 | 1105 | } |
3154bfab | 1106 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<3))) |
b72f17a1 | 1107 | { |
3154bfab | 1108 | memset(&spu.spuMem[0xc00/2], 0, 0x400); |
1109 | spu.decode_dirty_ch &= ~(1<<3); | |
b72f17a1 | 1110 | } |
8680e822 | 1111 | |
ef79bbde P |
1112 | //---------------------------------------------------// |
1113 | // mix XA infos (if any) | |
1114 | ||
63a4f6b6 | 1115 | MixXA(ns_to, decode_pos); |
ef79bbde P |
1116 | |
1117 | /////////////////////////////////////////////////////// | |
1118 | // mix all channels (including reverb) into one buffer | |
1119 | ||
3154bfab | 1120 | if(spu_config.iUseReverb) |
650adfd2 | 1121 | REVERBDo(ns_to); |
1775933a | 1122 | |
3154bfab | 1123 | if((spu.spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) |
1775933a | 1124 | { |
3154bfab | 1125 | memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0])); |
1126 | spu.pS += ns_to * 2; | |
1775933a | 1127 | } |
1128 | else | |
650adfd2 | 1129 | for (ns = 0; ns < ns_to * 2; ) |
ef79bbde | 1130 | { |
9e7a7352 | 1131 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1132 | d = d * volmult >> 10; | |
1775933a | 1133 | ssat32_to_16(d); |
3154bfab | 1134 | *spu.pS++ = d; |
97ea4077 | 1135 | ns++; |
ef79bbde | 1136 | |
9e7a7352 | 1137 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1138 | d = d * volmult >> 10; | |
1775933a | 1139 | ssat32_to_16(d); |
3154bfab | 1140 | *spu.pS++ = d; |
97ea4077 | 1141 | ns++; |
ef79bbde | 1142 | } |
650adfd2 | 1143 | } |
ef79bbde | 1144 | |
650adfd2 | 1145 | void schedule_next_irq(void) |
1146 | { | |
1147 | unsigned int upd_samples; | |
1148 | int ch; | |
ef79bbde | 1149 | |
3154bfab | 1150 | if (spu.scheduleCallback == NULL) |
650adfd2 | 1151 | return; |
e34a4bd3 | 1152 | |
650adfd2 | 1153 | upd_samples = 44100 / 50; |
e34a4bd3 | 1154 | |
650adfd2 | 1155 | for (ch = 0; ch < MAXCHAN; ch++) |
1156 | { | |
3154bfab | 1157 | if (spu.dwChannelDead & (1 << ch)) |
650adfd2 | 1158 | continue; |
5514a050 | 1159 | if ((unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 |
1160 | && (unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) | |
650adfd2 | 1161 | continue; |
16187bfb | 1162 | |
650adfd2 | 1163 | scan_for_irq(ch, &upd_samples); |
ef79bbde P |
1164 | } |
1165 | ||
3154bfab | 1166 | if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) |
650adfd2 | 1167 | { |
3154bfab | 1168 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1169 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1170 | if (0 < left && left < upd_samples) { |
3154bfab | 1171 | //xprintf("decode: %3d (%3d/%3d)\n", left, spu.decode_pos, irq_pos); |
650adfd2 | 1172 | upd_samples = left; |
1173 | } | |
1174 | } | |
16187bfb | 1175 | |
650adfd2 | 1176 | if (upd_samples < 44100 / 50) |
3154bfab | 1177 | spu.scheduleCallback(upd_samples * 768); |
ef79bbde P |
1178 | } |
1179 | ||
1180 | // SPU ASYNC... even newer epsxe func | |
1181 | // 1 time every 'cycle' cycles... harhar | |
1182 | ||
650adfd2 | 1183 | // rearmed: called dynamically now |
554a2220 | 1184 | |
650adfd2 | 1185 | void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) |
ef79bbde | 1186 | { |
63a4f6b6 | 1187 | do_samples(cycle, 0); |
fb552464 | 1188 | |
3154bfab | 1189 | if (spu.spuCtrl & CTRL_IRQ) |
650adfd2 | 1190 | schedule_next_irq(); |
f8edb5bc | 1191 | |
650adfd2 | 1192 | if (flags & 1) { |
3154bfab | 1193 | out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); |
1194 | spu.pS = (short *)spu.pSpuBuffer; | |
fb552464 | 1195 | |
3154bfab | 1196 | if (spu_config.iTempo) { |
650adfd2 | 1197 | if (!out_current->busy()) |
1198 | // cause more samples to be generated | |
1199 | // (and break some games because of bad sync) | |
3154bfab | 1200 | spu.cycles_played -= 44100 / 60 / 2 * 768; |
ef79bbde | 1201 | } |
650adfd2 | 1202 | } |
ef79bbde P |
1203 | } |
1204 | ||
1205 | // SPU UPDATE... new epsxe func | |
1206 | // 1 time every 32 hsync lines | |
1207 | // (312/32)x50 in pal | |
1208 | // (262/32)x60 in ntsc | |
1209 | ||
1210 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
1211 | // leave that func in the linux port, until epsxe linux is using | |
1212 | // the async function as well | |
1213 | ||
1214 | void CALLBACK SPUupdate(void) | |
1215 | { | |
ef79bbde P |
1216 | } |
1217 | ||
1218 | // XA AUDIO | |
1219 | ||
1220 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
1221 | { | |
1222 | if(!xap) return; | |
1223 | if(!xap->freq) return; // no xa freq ? bye | |
1224 | ||
1225 | FeedXA(xap); // call main XA feeder | |
1226 | } | |
1227 | ||
1228 | // CDDA AUDIO | |
983a7cfd | 1229 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 1230 | { |
983a7cfd | 1231 | if (!pcm) return -1; |
1232 | if (nbytes<=0) return -1; | |
ef79bbde | 1233 | |
983a7cfd | 1234 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
1235 | } |
1236 | ||
6d75977b | 1237 | // to be called after state load |
1238 | void ClearWorkingState(void) | |
ef79bbde | 1239 | { |
5514a050 | 1240 | memset(SSumLR, 0, NSSIZE * 2 * 4); // init some mixing buffers |
1241 | memset(iFMod, 0, sizeof(iFMod)); | |
3154bfab | 1242 | spu.pS=(short *)spu.pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
1243 | } |
1244 | ||
1245 | // SETUPSTREAMS: init most of the spu buffers | |
1246 | void SetupStreams(void) | |
1247 | { | |
1248 | int i; | |
1249 | ||
3154bfab | 1250 | spu.pSpuBuffer = (unsigned char *)malloc(32768); // alloc mixing buffer |
5514a050 | 1251 | spu.sRVBStart = calloc(NSSIZE * 2, sizeof(spu.sRVBStart[0])); |
1252 | SSumLR = calloc(NSSIZE * 2, sizeof(SSumLR[0])); | |
ef79bbde | 1253 | |
3154bfab | 1254 | spu.XAStart = // alloc xa buffer |
ef79bbde | 1255 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); |
3154bfab | 1256 | spu.XAEnd = spu.XAStart + 44100; |
1257 | spu.XAPlay = spu.XAStart; | |
1258 | spu.XAFeed = spu.XAStart; | |
ef79bbde | 1259 | |
3154bfab | 1260 | spu.CDDAStart = // alloc cdda buffer |
983a7cfd | 1261 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
3154bfab | 1262 | spu.CDDAEnd = spu.CDDAStart + 16384; |
1263 | spu.CDDAPlay = spu.CDDAStart; | |
1264 | spu.CDDAFeed = spu.CDDAStart; | |
ef79bbde P |
1265 | |
1266 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1267 | { | |
5514a050 | 1268 | spu.s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
1269 | spu.s_chan[i].ADSRX.SustainIncrease = 1; | |
1270 | spu.s_chan[i].pLoop=spu.spuMemC; | |
1271 | spu.s_chan[i].pCurr=spu.spuMemC; | |
ef79bbde P |
1272 | } |
1273 | ||
6d75977b | 1274 | ClearWorkingState(); |
1275 | ||
3154bfab | 1276 | spu.bSpuInit=1; // flag: we are inited |
ef79bbde P |
1277 | } |
1278 | ||
1279 | // REMOVESTREAMS: free most buffer | |
1280 | void RemoveStreams(void) | |
1281 | { | |
3154bfab | 1282 | free(spu.pSpuBuffer); // free mixing buffer |
1283 | spu.pSpuBuffer = NULL; | |
1284 | free(spu.sRVBStart); // free reverb buffer | |
1285 | spu.sRVBStart = NULL; | |
5514a050 | 1286 | free(SSumLR); |
1287 | SSumLR = NULL; | |
3154bfab | 1288 | free(spu.XAStart); // free XA buffer |
1289 | spu.XAStart = NULL; | |
1290 | free(spu.CDDAStart); // free CDDA buffer | |
1291 | spu.CDDAStart = NULL; | |
ef79bbde P |
1292 | } |
1293 | ||
5514a050 | 1294 | #if defined(C64X_DSP) |
1295 | ||
1296 | /* special code for TI C64x DSP */ | |
1297 | #include "spu_c64x.c" | |
1298 | ||
1299 | #elif defined(THREAD_ENABLED) | |
1300 | ||
1301 | #include <pthread.h> | |
1302 | #include <semaphore.h> | |
1303 | #include <unistd.h> | |
1304 | ||
1305 | static struct { | |
1306 | pthread_t thread; | |
1307 | sem_t sem_avail; | |
1308 | sem_t sem_done; | |
1309 | } t; | |
1310 | ||
1311 | /* generic pthread implementation */ | |
1312 | ||
1313 | static void thread_work_start(void) | |
1314 | { | |
1315 | sem_post(&t.sem_avail); | |
1316 | } | |
1317 | ||
1318 | static void thread_work_wait_sync(void) | |
1319 | { | |
1320 | sem_wait(&t.sem_done); | |
1321 | } | |
63a4f6b6 | 1322 | |
1323 | static void *spu_worker_thread(void *unused) | |
1324 | { | |
1325 | while (1) { | |
5514a050 | 1326 | sem_wait(&t.sem_avail); |
63a4f6b6 | 1327 | if (worker->exit_thread) |
1328 | break; | |
1329 | ||
1330 | do_channel_work(); | |
1331 | ||
5514a050 | 1332 | sem_post(&t.sem_done); |
63a4f6b6 | 1333 | } |
1334 | ||
1335 | return NULL; | |
1336 | } | |
1337 | ||
1338 | static void init_spu_thread(void) | |
1339 | { | |
1340 | int ret; | |
1341 | ||
1342 | if (sysconf(_SC_NPROCESSORS_ONLN) <= 1) | |
1343 | return; | |
1344 | ||
1345 | worker = calloc(1, sizeof(*worker)); | |
1346 | if (worker == NULL) | |
1347 | return; | |
5514a050 | 1348 | ret = sem_init(&t.sem_avail, 0, 0); |
63a4f6b6 | 1349 | if (ret != 0) |
1350 | goto fail_sem_avail; | |
5514a050 | 1351 | ret = sem_init(&t.sem_done, 0, 0); |
63a4f6b6 | 1352 | if (ret != 0) |
1353 | goto fail_sem_done; | |
1354 | ||
5514a050 | 1355 | ret = pthread_create(&t.thread, NULL, spu_worker_thread, NULL); |
63a4f6b6 | 1356 | if (ret != 0) |
1357 | goto fail_thread; | |
1358 | ||
1359 | return; | |
1360 | ||
1361 | fail_thread: | |
5514a050 | 1362 | sem_destroy(&t.sem_done); |
63a4f6b6 | 1363 | fail_sem_done: |
5514a050 | 1364 | sem_destroy(&t.sem_avail); |
63a4f6b6 | 1365 | fail_sem_avail: |
1366 | free(worker); | |
1367 | worker = NULL; | |
1368 | } | |
1369 | ||
1370 | static void exit_spu_thread(void) | |
1371 | { | |
1372 | if (worker == NULL) | |
1373 | return; | |
1374 | worker->exit_thread = 1; | |
5514a050 | 1375 | sem_post(&t.sem_avail); |
1376 | pthread_join(t.thread, NULL); | |
1377 | sem_destroy(&t.sem_done); | |
1378 | sem_destroy(&t.sem_avail); | |
63a4f6b6 | 1379 | free(worker); |
1380 | worker = NULL; | |
1381 | } | |
1382 | ||
1383 | #else // if !THREAD_ENABLED | |
1384 | ||
1385 | static void init_spu_thread(void) | |
1386 | { | |
1387 | } | |
1388 | ||
1389 | static void exit_spu_thread(void) | |
1390 | { | |
1391 | } | |
1392 | ||
1393 | #endif | |
ef79bbde P |
1394 | |
1395 | // SPUINIT: this func will be called first by the main emu | |
1396 | long CALLBACK SPUinit(void) | |
1397 | { | |
5514a050 | 1398 | spu.spuMemC = calloc(1, 512 * 1024); |
ef79bbde P |
1399 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); |
1400 | InitADSR(); | |
1401 | ||
5514a050 | 1402 | spu.s_chan = calloc(MAXCHAN+1, sizeof(spu.s_chan[0])); // channel + 1 infos (1 is security for fmod handling) |
1403 | ||
1404 | spu.spuAddr = 0; | |
3154bfab | 1405 | spu.decode_pos = 0; |
c4c66b22 | 1406 | spu.pSpuIrq = spu.spuMemC; |
ef79bbde | 1407 | |
ef79bbde P |
1408 | SetupStreams(); // prepare streaming |
1409 | ||
3154bfab | 1410 | if (spu_config.iVolume == 0) |
1411 | spu_config.iVolume = 768; // 1024 is 1.0 | |
1412 | ||
63a4f6b6 | 1413 | init_spu_thread(); |
1414 | ||
ef79bbde P |
1415 | return 0; |
1416 | } | |
1417 | ||
1418 | // SPUOPEN: called by main emu after init | |
1419 | long CALLBACK SPUopen(void) | |
1420 | { | |
3154bfab | 1421 | if (spu.bSPUIsOpen) return 0; // security for some stupid main emus |
ef79bbde P |
1422 | |
1423 | SetupSound(); // setup sound (before init!) | |
ef79bbde | 1424 | |
3154bfab | 1425 | spu.bSPUIsOpen = 1; |
ef79bbde P |
1426 | |
1427 | return PSE_SPU_ERR_SUCCESS; | |
1428 | } | |
1429 | ||
1430 | // SPUCLOSE: called before shutdown | |
1431 | long CALLBACK SPUclose(void) | |
1432 | { | |
3154bfab | 1433 | if (!spu.bSPUIsOpen) return 0; // some security |
ef79bbde | 1434 | |
3154bfab | 1435 | spu.bSPUIsOpen = 0; // no more open |
ef79bbde | 1436 | |
07c13dfd | 1437 | out_current->finish(); // no more sound handling |
ef79bbde P |
1438 | |
1439 | return 0; | |
1440 | } | |
1441 | ||
1442 | // SPUSHUTDOWN: called by main emu on final exit | |
1443 | long CALLBACK SPUshutdown(void) | |
1444 | { | |
1445 | SPUclose(); | |
ef79bbde | 1446 | |
63a4f6b6 | 1447 | exit_spu_thread(); |
1448 | ||
5514a050 | 1449 | free(spu.spuMemC); |
1450 | spu.spuMemC = NULL; | |
1451 | free(spu.s_chan); | |
1452 | spu.s_chan = NULL; | |
1453 | ||
1454 | RemoveStreams(); // no more streaming | |
1455 | spu.bSpuInit=0; | |
1456 | ||
ef79bbde P |
1457 | return 0; |
1458 | } | |
1459 | ||
1460 | // SPUTEST: we don't test, we are always fine ;) | |
1461 | long CALLBACK SPUtest(void) | |
1462 | { | |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | // SPUCONFIGURE: call config dialog | |
1467 | long CALLBACK SPUconfigure(void) | |
1468 | { | |
1469 | #ifdef _MACOSX | |
1470 | DoConfiguration(); | |
1471 | #else | |
ee849648 | 1472 | // StartCfgTool("CFG"); |
ef79bbde P |
1473 | #endif |
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | // SPUABOUT: show about window | |
1478 | void CALLBACK SPUabout(void) | |
1479 | { | |
1480 | #ifdef _MACOSX | |
1481 | DoAbout(); | |
1482 | #else | |
ee849648 | 1483 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1484 | #endif |
1485 | } | |
1486 | ||
1487 | // SETUP CALLBACKS | |
1488 | // this functions will be called once, | |
1489 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1490 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1491 | { | |
3154bfab | 1492 | spu.irqCallback = callback; |
ef79bbde P |
1493 | } |
1494 | ||
1495 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1496 | { | |
3154bfab | 1497 | spu.cddavCallback = CDDAVcallback; |
ef79bbde P |
1498 | } |
1499 | ||
2b30c129 | 1500 | void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) |
1501 | { | |
3154bfab | 1502 | spu.scheduleCallback = callback; |
2b30c129 | 1503 | } |
1504 | ||
ef79bbde | 1505 | // COMMON PLUGIN INFO FUNCS |
e906c010 | 1506 | /* |
ef79bbde P |
1507 | char * CALLBACK PSEgetLibName(void) |
1508 | { | |
1509 | return _(libraryName); | |
1510 | } | |
1511 | ||
1512 | unsigned long CALLBACK PSEgetLibType(void) | |
1513 | { | |
1514 | return PSE_LT_SPU; | |
1515 | } | |
1516 | ||
1517 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1518 | { | |
1519 | return (1 << 16) | (6 << 8); | |
1520 | } | |
1521 | ||
1522 | char * SPUgetLibInfos(void) | |
1523 | { | |
1524 | return _(libraryInfo); | |
1525 | } | |
e906c010 | 1526 | */ |
6d866bb7 | 1527 | |
90f1d26c | 1528 | // debug |
174c454a | 1529 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1530 | { |
174c454a | 1531 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1532 | |
5514a050 | 1533 | if (spu.s_chan == NULL) |
1534 | return; | |
1535 | ||
90f1d26c | 1536 | for(;ch<MAXCHAN;ch++) |
1537 | { | |
3154bfab | 1538 | if (!(spu.dwChannelOn & (1<<ch))) |
90f1d26c | 1539 | continue; |
5514a050 | 1540 | if (spu.s_chan[ch].bFMod == 2) |
90f1d26c | 1541 | fmod_chans |= 1 << ch; |
5514a050 | 1542 | if (spu.s_chan[ch].bNoise) |
90f1d26c | 1543 | noise_chans |= 1 << ch; |
5514a050 | 1544 | if((spu.spuCtrl&CTRL_IRQ) && spu.s_chan[ch].pCurr <= spu.pSpuIrq && spu.s_chan[ch].pLoop <= spu.pSpuIrq) |
174c454a | 1545 | irq_chans |= 1 << ch; |
90f1d26c | 1546 | } |
1547 | ||
3154bfab | 1548 | *chans_out = spu.dwChannelOn; |
1549 | *run_chans = ~spu.dwChannelOn & ~spu.dwChannelDead & irq_chans; | |
90f1d26c | 1550 | *fmod_chans_out = fmod_chans; |
1551 | *noise_chans_out = noise_chans; | |
1552 | } | |
1553 | ||
6d866bb7 | 1554 | // vim:shiftwidth=1:expandtab |