Commit | Line | Data |
---|---|---|
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 | ||
de4a0279 | 21 | #if !defined(_WIN32) && !defined(NO_OS) |
003cfc63 | 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" |
3154bfab | 32 | #include "spu_config.h" |
ef79bbde | 33 | |
de4a0279 | 34 | #ifdef __arm__ |
35 | #include "arm_features.h" | |
36 | #endif | |
37 | ||
a80ae4a0 | 38 | #ifdef __ARM_ARCH_7A__ |
1775933a | 39 | #define ssat32_to_16(v) \ |
40 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
41 | #else | |
42 | #define ssat32_to_16(v) do { \ | |
43 | if (v < -32768) v = -32768; \ | |
44 | else if (v > 32767) v = 32767; \ | |
45 | } while (0) | |
46 | #endif | |
47 | ||
fb552464 | 48 | #define PSXCLK 33868800 /* 33.8688 MHz */ |
49 | ||
650adfd2 | 50 | // intended to be ~1 frame |
51 | #define IRQ_NEAR_BLOCKS 32 | |
52 | ||
6d866bb7 | 53 | /* |
ef79bbde P |
54 | #if defined (USEMACOSX) |
55 | static char * libraryName = N_("Mac OS X Sound"); | |
56 | #elif defined (USEALSA) | |
57 | static char * libraryName = N_("ALSA Sound"); | |
58 | #elif defined (USEOSS) | |
59 | static char * libraryName = N_("OSS Sound"); | |
60 | #elif defined (USESDL) | |
61 | static char * libraryName = N_("SDL Sound"); | |
62 | #elif defined (USEPULSEAUDIO) | |
63 | static char * libraryName = N_("PulseAudio Sound"); | |
64 | #else | |
65 | static char * libraryName = N_("NULL Sound"); | |
66 | #endif | |
67 | ||
68 | 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 | 69 | */ |
ef79bbde P |
70 | |
71 | // globals | |
72 | ||
3154bfab | 73 | SPUInfo spu; |
74 | SPUConfig spu_config; | |
ef79bbde P |
75 | |
76 | // MAIN infos struct for each channel | |
77 | ||
ef79bbde P |
78 | REVERBInfo rvb; |
79 | ||
de4a0279 | 80 | #if defined(THREAD_ENABLED) || defined(WANT_THREAD_CODE) |
63a4f6b6 | 81 | |
63a4f6b6 | 82 | // worker thread state |
5514a050 | 83 | static struct spu_worker { |
63a4f6b6 | 84 | unsigned int pending:1; |
85 | unsigned int exit_thread:1; | |
de4a0279 | 86 | unsigned int stale_cache:1; |
63a4f6b6 | 87 | int ns_to; |
88 | int ctrl; | |
89 | int decode_pos; | |
90 | int silentch; | |
63a4f6b6 | 91 | unsigned int chmask; |
63a4f6b6 | 92 | struct { |
93 | int spos; | |
94 | int sbpos; | |
95 | int sinc; | |
96 | int start; | |
97 | int loop; | |
98 | int ns_to; | |
99 | ADSRInfoEx adsr; | |
100 | // might want to add vol and fmod flags.. | |
101 | } ch[24]; | |
de4a0279 | 102 | struct { |
103 | struct { | |
104 | int adsrState; | |
105 | int adsrEnvelopeVol; | |
106 | } ch[24]; | |
107 | unsigned int chan_end; | |
108 | unsigned int decode_dirty; | |
109 | } r; | |
63a4f6b6 | 110 | } *worker; |
111 | ||
112 | #else | |
113 | static const void * const worker = NULL; | |
114 | #endif | |
115 | ||
ef79bbde P |
116 | // certain globals (were local before, but with the new timeproc I need em global) |
117 | ||
5514a050 | 118 | static int iFMod[NSSIZE]; |
3154bfab | 119 | int ChanBuf[NSSIZE]; |
5514a050 | 120 | int *SSumLR; |
ef79bbde | 121 | |
983a7cfd | 122 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
123 | ||
ef79bbde P |
124 | //////////////////////////////////////////////////////////////////////// |
125 | // CODE AREA | |
126 | //////////////////////////////////////////////////////////////////////// | |
127 | ||
128 | // dirty inline func includes | |
129 | ||
130 | #include "reverb.c" | |
131 | #include "adsr.c" | |
132 | ||
133 | //////////////////////////////////////////////////////////////////////// | |
134 | // helpers for simple interpolation | |
135 | ||
136 | // | |
137 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
138 | // | |
139 | // instead of having n equal sample values in a row like: | |
140 | // ____ | |
141 | // |____ | |
142 | // | |
143 | // we compare the current delta change with the next delta change. | |
144 | // | |
145 | // if curr_delta is positive, | |
146 | // | |
147 | // - and next delta is smaller (or changing direction): | |
148 | // \. | |
149 | // -__ | |
150 | // | |
151 | // - and next delta significant (at least twice) bigger: | |
152 | // --_ | |
153 | // \. | |
154 | // | |
155 | // - and next delta is nearly same: | |
156 | // \. | |
157 | // \. | |
158 | // | |
159 | // | |
160 | // if curr_delta is negative, | |
161 | // | |
162 | // - and next delta is smaller (or changing direction): | |
163 | // _-- | |
164 | // / | |
165 | // | |
166 | // - and next delta significant (at least twice) bigger: | |
167 | // / | |
168 | // __- | |
169 | // | |
170 | // - and next delta is nearly same: | |
171 | // / | |
172 | // / | |
173 | // | |
174 | ||
011755d7 | 175 | static void InterpolateUp(int *SB, int sinc) |
ef79bbde | 176 | { |
011755d7 | 177 | if(SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass |
ef79bbde | 178 | { |
011755d7 | 179 | const int id1=SB[30]-SB[29]; // curr delta to next val |
180 | const int id2=SB[31]-SB[30]; // and next delta to next-next val :) | |
ef79bbde | 181 | |
011755d7 | 182 | SB[32]=0; |
ef79bbde P |
183 | |
184 | if(id1>0) // curr delta positive | |
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 | else // curr delta negative | |
195 | { | |
196 | if(id2>id1) | |
011755d7 | 197 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
198 | else |
199 | if(id2>(id1<<1)) | |
011755d7 | 200 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 201 | else |
011755d7 | 202 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
203 | } |
204 | } | |
205 | else | |
011755d7 | 206 | if(SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass |
ef79bbde | 207 | { |
011755d7 | 208 | SB[32]=0; |
ef79bbde | 209 | |
011755d7 | 210 | SB[28]=(SB[28]*sinc)>>17; |
211 | //if(sinc<=0x8000) | |
212 | // SB[29]=SB[30]-(SB[28]*((0x10000/sinc)-1)); | |
76d1d09c | 213 | //else |
011755d7 | 214 | SB[29]+=SB[28]; |
ef79bbde P |
215 | } |
216 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
011755d7 | 217 | SB[29]+=SB[28]; |
ef79bbde P |
218 | } |
219 | ||
220 | // | |
221 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
222 | // | |
223 | ||
011755d7 | 224 | static void InterpolateDown(int *SB, int sinc) |
ef79bbde | 225 | { |
011755d7 | 226 | if(sinc>=0x20000L) // we would skip at least one val? |
ef79bbde | 227 | { |
011755d7 | 228 | SB[29]+=(SB[30]-SB[29])/2; // add easy weight |
229 | if(sinc>=0x30000L) // we would skip even more vals? | |
230 | SB[29]+=(SB[31]-SB[30])/2; // add additional next weight | |
ef79bbde P |
231 | } |
232 | } | |
233 | ||
234 | //////////////////////////////////////////////////////////////////////// | |
235 | // helpers for gauss interpolation | |
236 | ||
011755d7 | 237 | #define gval0 (((short*)(&SB[29]))[gpos&3]) |
238 | #define gval(x) ((int)((short*)(&SB[29]))[(gpos+x)&3]) | |
ef79bbde P |
239 | |
240 | #include "gauss_i.h" | |
241 | ||
242 | //////////////////////////////////////////////////////////////////////// | |
243 | ||
244 | #include "xa.c" | |
245 | ||
e4f075af | 246 | static void do_irq(void) |
247 | { | |
3154bfab | 248 | //if(!(spu.spuStat & STAT_IRQ)) |
e4f075af | 249 | { |
3154bfab | 250 | spu.spuStat |= STAT_IRQ; // asserted status? |
251 | if(spu.irqCallback) spu.irqCallback(); | |
e4f075af | 252 | } |
253 | } | |
254 | ||
255 | static int check_irq(int ch, unsigned char *pos) | |
256 | { | |
3154bfab | 257 | if((spu.spuCtrl & CTRL_IRQ) && pos == spu.pSpuIrq) |
e4f075af | 258 | { |
3154bfab | 259 | //printf("ch%d irq %04x\n", ch, pos - spu.spuMemC); |
e4f075af | 260 | do_irq(); |
261 | return 1; | |
262 | } | |
263 | return 0; | |
264 | } | |
265 | ||
ef79bbde P |
266 | //////////////////////////////////////////////////////////////////////// |
267 | // START SOUND... called by main thread to setup a new sound on a channel | |
268 | //////////////////////////////////////////////////////////////////////// | |
269 | ||
270 | INLINE void StartSound(int ch) | |
271 | { | |
5514a050 | 272 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
de4a0279 | 273 | int *SB = spu.SB + ch * SB_SIZE; |
5514a050 | 274 | |
ef79bbde P |
275 | StartADSR(ch); |
276 | StartREVERB(ch); | |
277 | ||
5514a050 | 278 | s_chan->prevflags=2; |
ef79bbde | 279 | |
5514a050 | 280 | s_chan->iSBPos=27; |
de4a0279 | 281 | SB[26]=0; // init mixing vars |
282 | SB[27]=0; | |
ef79bbde | 283 | |
de4a0279 | 284 | SB[28]=0; |
285 | SB[29]=0; // init our interpolation helpers | |
286 | SB[30]=0; | |
287 | SB[31]=0; | |
5514a050 | 288 | s_chan->spos=0; |
ef79bbde | 289 | |
3154bfab | 290 | spu.dwNewChannel&=~(1<<ch); // clear new channel bit |
4ccd0fb2 | 291 | spu.dwChannelOn|=1<<ch; |
292 | spu.dwChannelDead&=~(1<<ch); | |
ef79bbde P |
293 | } |
294 | ||
295 | //////////////////////////////////////////////////////////////////////// | |
296 | // ALL KIND OF HELPERS | |
297 | //////////////////////////////////////////////////////////////////////// | |
298 | ||
011755d7 | 299 | INLINE int FModChangeFrequency(int *SB, int pitch, int ns) |
ef79bbde | 300 | { |
011755d7 | 301 | unsigned int NP=pitch; |
07a6dd2c | 302 | int sinc; |
ef79bbde | 303 | |
011755d7 | 304 | NP=((32768L+iFMod[ns])*NP)>>15; |
ef79bbde P |
305 | |
306 | if(NP>0x3fff) NP=0x3fff; | |
307 | if(NP<0x1) NP=0x1; | |
308 | ||
7e44d49d | 309 | sinc=NP<<4; // calc frequency |
3154bfab | 310 | if(spu_config.iUseInterpolation==1) // freq change in simple interpolation mode |
011755d7 | 311 | SB[32]=1; |
ef79bbde | 312 | iFMod[ns]=0; |
07a6dd2c | 313 | |
314 | return sinc; | |
ef79bbde P |
315 | } |
316 | ||
317 | //////////////////////////////////////////////////////////////////////// | |
318 | ||
011755d7 | 319 | INLINE void StoreInterpolationVal(int *SB, int sinc, int fa, int fmod_freq) |
ef79bbde | 320 | { |
011755d7 | 321 | if(fmod_freq) // fmod freq channel |
322 | SB[29]=fa; | |
ef79bbde P |
323 | else |
324 | { | |
381ea103 | 325 | ssat32_to_16(fa); |
ef79bbde | 326 | |
3154bfab | 327 | if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation |
011755d7 | 328 | { |
329 | int gpos = SB[28]; | |
330 | gval0 = fa; | |
ef79bbde | 331 | gpos = (gpos+1) & 3; |
011755d7 | 332 | SB[28] = gpos; |
ef79bbde P |
333 | } |
334 | else | |
3154bfab | 335 | if(spu_config.iUseInterpolation==1) // simple interpolation |
ef79bbde | 336 | { |
011755d7 | 337 | SB[28] = 0; |
338 | 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' | |
339 | SB[30] = SB[31]; | |
340 | SB[31] = fa; | |
341 | SB[32] = 1; // -> flag: calc new interolation | |
ef79bbde | 342 | } |
011755d7 | 343 | else SB[29]=fa; // no interpolation |
ef79bbde P |
344 | } |
345 | } | |
346 | ||
347 | //////////////////////////////////////////////////////////////////////// | |
348 | ||
011755d7 | 349 | INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) |
ef79bbde P |
350 | { |
351 | int fa; | |
352 | ||
011755d7 | 353 | if(fmod_freq) return SB[29]; |
ef79bbde | 354 | |
3154bfab | 355 | switch(spu_config.iUseInterpolation) |
011755d7 | 356 | { |
ef79bbde P |
357 | //--------------------------------------------------// |
358 | case 3: // cubic interpolation | |
359 | { | |
360 | long xd;int gpos; | |
8cd23d6d | 361 | xd = (spos >> 1)+1; |
011755d7 | 362 | gpos = SB[28]; |
ef79bbde P |
363 | |
364 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
365 | fa *= (xd - (2<<15)) / 6; | |
366 | fa >>= 15; | |
367 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
368 | fa *= (xd - (1<<15)) >> 1; | |
369 | fa >>= 15; | |
370 | fa += gval(1) - gval0; | |
371 | fa *= xd; | |
372 | fa >>= 15; | |
373 | fa = fa + gval0; | |
374 | ||
375 | } break; | |
376 | //--------------------------------------------------// | |
377 | case 2: // gauss interpolation | |
378 | { | |
379 | int vl, vr;int gpos; | |
8cd23d6d | 380 | vl = (spos >> 6) & ~3; |
011755d7 | 381 | gpos = SB[28]; |
f05d6ca2 | 382 | vr=(gauss[vl]*(int)gval0)&~2047; |
ef79bbde P |
383 | vr+=(gauss[vl+1]*gval(1))&~2047; |
384 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
385 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
386 | fa = vr>>11; | |
387 | } break; | |
388 | //--------------------------------------------------// | |
389 | case 1: // simple interpolation | |
390 | { | |
011755d7 | 391 | if(sinc<0x10000L) // -> upsampling? |
392 | InterpolateUp(SB, sinc); // --> interpolate up | |
393 | else InterpolateDown(SB, sinc); // --> else down | |
394 | fa=SB[29]; | |
ef79bbde P |
395 | } break; |
396 | //--------------------------------------------------// | |
397 | default: // no interpolation | |
398 | { | |
011755d7 | 399 | fa=SB[29]; |
ef79bbde P |
400 | } break; |
401 | //--------------------------------------------------// | |
402 | } | |
403 | ||
404 | return fa; | |
405 | } | |
406 | ||
381ea103 | 407 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
408 | { | |
5514a050 | 409 | static const int f[16][2] = { |
410 | { 0, 0 }, | |
411 | { 60, 0 }, | |
412 | { 115, -52 }, | |
413 | { 98, -55 }, | |
414 | { 122, -60 } | |
415 | }; | |
381ea103 | 416 | int nSample; |
417 | int fa, s_1, s_2, d, s; | |
418 | ||
419 | s_1 = dest[27]; | |
420 | s_2 = dest[26]; | |
421 | ||
422 | for (nSample = 0; nSample < 28; src++) | |
423 | { | |
424 | d = (int)*src; | |
425 | s = (int)(signed short)((d & 0x0f) << 12); | |
426 | ||
427 | fa = s >> shift_factor; | |
428 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
429 | s_2=s_1;s_1=fa; | |
430 | ||
431 | dest[nSample++] = fa; | |
432 | ||
433 | s = (int)(signed short)((d & 0xf0) << 8); | |
434 | fa = s >> shift_factor; | |
435 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
436 | s_2=s_1;s_1=fa; | |
437 | ||
438 | dest[nSample++] = fa; | |
439 | } | |
440 | } | |
441 | ||
011755d7 | 442 | static int decode_block(int ch, int *SB) |
e11ae5c5 | 443 | { |
5514a050 | 444 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
e11ae5c5 | 445 | unsigned char *start; |
215ff9e6 | 446 | int predict_nr, shift_factor, flags; |
e11ae5c5 | 447 | int ret = 0; |
448 | ||
5514a050 | 449 | start = s_chan->pCurr; // set up the current pos |
215ff9e6 | 450 | if (start == spu.spuMemC) // ? |
451 | ret = 1; | |
e11ae5c5 | 452 | |
5514a050 | 453 | if (s_chan->prevflags & 1) // 1: stop/loop |
3fc2a4c2 | 454 | { |
5514a050 | 455 | if (!(s_chan->prevflags & 2)) |
215ff9e6 | 456 | ret = 1; |
e4f075af | 457 | |
5514a050 | 458 | start = s_chan->pLoop; |
3fc2a4c2 | 459 | } |
89cb2058 | 460 | else |
215ff9e6 | 461 | check_irq(ch, start); // hack, see check_irq below.. |
e11ae5c5 | 462 | |
5514a050 | 463 | predict_nr = start[0]; |
215ff9e6 | 464 | shift_factor = predict_nr & 0xf; |
e11ae5c5 | 465 | predict_nr >>= 4; |
e11ae5c5 | 466 | |
011755d7 | 467 | decode_block_data(SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 468 | |
215ff9e6 | 469 | flags = start[1]; |
470 | if (flags & 4) | |
5514a050 | 471 | s_chan->pLoop = start; // loop adress |
e11ae5c5 | 472 | |
215ff9e6 | 473 | start += 16; |
3fc2a4c2 | 474 | |
215ff9e6 | 475 | if (flags & 1) { // 1: stop/loop |
5514a050 | 476 | start = s_chan->pLoop; |
215ff9e6 | 477 | check_irq(ch, start); // hack.. :( |
89cb2058 | 478 | } |
e11ae5c5 | 479 | |
3154bfab | 480 | if (start - spu.spuMemC >= 0x80000) |
481 | start = spu.spuMemC; | |
e4f075af | 482 | |
5514a050 | 483 | s_chan->pCurr = start; // store values for next cycle |
484 | s_chan->prevflags = flags; | |
e11ae5c5 | 485 | |
486 | return ret; | |
487 | } | |
488 | ||
07a6dd2c | 489 | // do block, but ignore sample data |
490 | static int skip_block(int ch) | |
491 | { | |
5514a050 | 492 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
493 | unsigned char *start = s_chan->pCurr; | |
215ff9e6 | 494 | int flags; |
495 | int ret = 0; | |
496 | ||
5514a050 | 497 | if (s_chan->prevflags & 1) { |
498 | if (!(s_chan->prevflags & 2)) | |
215ff9e6 | 499 | ret = 1; |
07a6dd2c | 500 | |
5514a050 | 501 | start = s_chan->pLoop; |
215ff9e6 | 502 | } |
503 | else | |
504 | check_irq(ch, start); | |
07a6dd2c | 505 | |
215ff9e6 | 506 | flags = start[1]; |
507 | if (flags & 4) | |
5514a050 | 508 | s_chan->pLoop = start; |
07a6dd2c | 509 | |
e4f075af | 510 | start += 16; |
07a6dd2c | 511 | |
215ff9e6 | 512 | if (flags & 1) { |
5514a050 | 513 | start = s_chan->pLoop; |
215ff9e6 | 514 | check_irq(ch, start); |
515 | } | |
07a6dd2c | 516 | |
5514a050 | 517 | s_chan->pCurr = start; |
518 | s_chan->prevflags = flags; | |
e4f075af | 519 | |
89cb2058 | 520 | return ret; |
07a6dd2c | 521 | } |
522 | ||
de4a0279 | 523 | #if defined(THREAD_ENABLED) || defined(WANT_THREAD_CODE) |
63a4f6b6 | 524 | |
525 | static int decode_block_work(int ch, int *SB) | |
526 | { | |
5514a050 | 527 | const unsigned char *ram = spu.spuMemC; |
63a4f6b6 | 528 | int predict_nr, shift_factor, flags; |
63a4f6b6 | 529 | int start = worker->ch[ch].start; |
530 | int loop = worker->ch[ch].loop; | |
531 | ||
532 | predict_nr = ram[start]; | |
533 | shift_factor = predict_nr & 0xf; | |
534 | predict_nr >>= 4; | |
535 | ||
536 | decode_block_data(SB, ram + start + 2, predict_nr, shift_factor); | |
537 | ||
538 | flags = ram[start + 1]; | |
539 | if (flags & 4) | |
540 | loop = start; // loop adress | |
541 | ||
542 | start += 16; | |
543 | ||
544 | if (flags & 1) // 1: stop/loop | |
545 | start = loop; | |
546 | ||
547 | worker->ch[ch].start = start & 0x7ffff; | |
548 | worker->ch[ch].loop = loop; | |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
553 | #endif | |
554 | ||
650adfd2 | 555 | // if irq is going to trigger sooner than in upd_samples, set upd_samples |
556 | static void scan_for_irq(int ch, unsigned int *upd_samples) | |
557 | { | |
5514a050 | 558 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
650adfd2 | 559 | int pos, sinc, sinc_inv, end; |
560 | unsigned char *block; | |
561 | int flags; | |
562 | ||
5514a050 | 563 | block = s_chan->pCurr; |
564 | pos = s_chan->spos; | |
565 | sinc = s_chan->sinc; | |
650adfd2 | 566 | end = pos + *upd_samples * sinc; |
567 | ||
5514a050 | 568 | pos += (28 - s_chan->iSBPos) << 16; |
650adfd2 | 569 | while (pos < end) |
570 | { | |
3154bfab | 571 | if (block == spu.pSpuIrq) |
650adfd2 | 572 | break; |
573 | flags = block[1]; | |
574 | block += 16; | |
575 | if (flags & 1) { // 1: stop/loop | |
5514a050 | 576 | block = s_chan->pLoop; |
3154bfab | 577 | if (block == spu.pSpuIrq) // hack.. (see decode_block) |
650adfd2 | 578 | break; |
579 | } | |
580 | pos += 28 << 16; | |
581 | } | |
582 | ||
583 | if (pos < end) | |
584 | { | |
5514a050 | 585 | sinc_inv = s_chan->sinc_inv; |
650adfd2 | 586 | if (sinc_inv == 0) |
5514a050 | 587 | sinc_inv = s_chan->sinc_inv = (0x80000000u / (uint32_t)sinc) << 1; |
650adfd2 | 588 | |
5514a050 | 589 | pos -= s_chan->spos; |
650adfd2 | 590 | *upd_samples = (((uint64_t)pos * sinc_inv) >> 32) + 1; |
591 | //xprintf("ch%02d: irq sched: %3d %03d\n", | |
592 | // ch, *upd_samples, *upd_samples * 60 * 263 / 44100); | |
593 | } | |
594 | } | |
595 | ||
07a6dd2c | 596 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ |
63a4f6b6 | 597 | static noinline int do_samples_##name(int (*decode_f)(int ch, int *SB), int ch, \ |
598 | int ns_to, int *SB, int sinc, int *spos, int *sbpos) \ | |
07a6dd2c | 599 | { \ |
215ff9e6 | 600 | int ns, d, fa; \ |
601 | int ret = ns_to; \ | |
07a6dd2c | 602 | interp_start; \ |
603 | \ | |
215ff9e6 | 604 | for (ns = 0; ns < ns_to; ns++) \ |
07a6dd2c | 605 | { \ |
606 | fmod_code; \ | |
607 | \ | |
63a4f6b6 | 608 | *spos += sinc; \ |
609 | while (*spos >= 0x10000) \ | |
07a6dd2c | 610 | { \ |
63a4f6b6 | 611 | fa = SB[(*sbpos)++]; \ |
612 | if (*sbpos >= 28) \ | |
07a6dd2c | 613 | { \ |
63a4f6b6 | 614 | *sbpos = 0; \ |
615 | d = decode_f(ch, SB); \ | |
215ff9e6 | 616 | if (d && ns < ret) \ |
617 | ret = ns; \ | |
07a6dd2c | 618 | } \ |
619 | \ | |
07a6dd2c | 620 | interp1_code; \ |
63a4f6b6 | 621 | *spos -= 0x10000; \ |
07a6dd2c | 622 | } \ |
623 | \ | |
624 | interp2_code; \ | |
07a6dd2c | 625 | } \ |
626 | \ | |
07a6dd2c | 627 | interp_end; \ |
628 | \ | |
629 | return ret; \ | |
630 | } | |
631 | ||
632 | #define fmod_recv_check \ | |
5514a050 | 633 | if(spu.s_chan[ch].bFMod==1 && iFMod[ns]) \ |
634 | sinc = FModChangeFrequency(SB, spu.s_chan[ch].iRawPitch, ns) | |
07a6dd2c | 635 | |
636 | make_do_samples(default, fmod_recv_check, , | |
5514a050 | 637 | StoreInterpolationVal(SB, sinc, fa, spu.s_chan[ch].bFMod==2), |
638 | ChanBuf[ns] = iGetInterpolationVal(SB, sinc, *spos, spu.s_chan[ch].bFMod==2), ) | |
011755d7 | 639 | make_do_samples(noint, , fa = SB[29], , ChanBuf[ns] = fa, SB[29] = fa) |
07a6dd2c | 640 | |
641 | #define simple_interp_store \ | |
215ff9e6 | 642 | SB[28] = 0; \ |
643 | SB[29] = SB[30]; \ | |
644 | SB[30] = SB[31]; \ | |
645 | SB[31] = fa; \ | |
646 | SB[32] = 1 | |
07a6dd2c | 647 | |
648 | #define simple_interp_get \ | |
011755d7 | 649 | if(sinc<0x10000) /* -> upsampling? */ \ |
650 | InterpolateUp(SB, sinc); /* --> interpolate up */ \ | |
651 | else InterpolateDown(SB, sinc); /* --> else down */ \ | |
652 | ChanBuf[ns] = SB[29] | |
07a6dd2c | 653 | |
654 | make_do_samples(simple, , , | |
655 | simple_interp_store, simple_interp_get, ) | |
656 | ||
215ff9e6 | 657 | static int do_samples_skip(int ch, int ns_to) |
07a6dd2c | 658 | { |
5514a050 | 659 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
215ff9e6 | 660 | int ret = ns_to, ns, d; |
b1094d0e | 661 | |
5514a050 | 662 | s_chan->spos += s_chan->iSBPos << 16; |
215ff9e6 | 663 | |
664 | for (ns = 0; ns < ns_to; ns++) | |
07a6dd2c | 665 | { |
5514a050 | 666 | s_chan->spos += s_chan->sinc; |
667 | while (s_chan->spos >= 28*0x10000) | |
215ff9e6 | 668 | { |
669 | d = skip_block(ch); | |
670 | if (d && ns < ret) | |
671 | ret = ns; | |
5514a050 | 672 | s_chan->spos -= 28*0x10000; |
215ff9e6 | 673 | } |
07a6dd2c | 674 | } |
675 | ||
5514a050 | 676 | s_chan->iSBPos = s_chan->spos >> 16; |
677 | s_chan->spos &= 0xffff; | |
215ff9e6 | 678 | |
679 | return ret; | |
680 | } | |
681 | ||
682 | static void do_lsfr_samples(int ns_to, int ctrl, | |
683 | unsigned int *dwNoiseCount, unsigned int *dwNoiseVal) | |
684 | { | |
685 | unsigned int counter = *dwNoiseCount; | |
686 | unsigned int val = *dwNoiseVal; | |
687 | unsigned int level, shift, bit; | |
688 | int ns; | |
689 | ||
b1094d0e | 690 | // modified from DrHell/shalma, no fraction |
215ff9e6 | 691 | level = (ctrl >> 10) & 0x0f; |
b1094d0e | 692 | level = 0x8000 >> level; |
693 | ||
215ff9e6 | 694 | for (ns = 0; ns < ns_to; ns++) |
b1094d0e | 695 | { |
215ff9e6 | 696 | counter += 2; |
697 | if (counter >= level) | |
b1094d0e | 698 | { |
215ff9e6 | 699 | counter -= level; |
700 | shift = (val >> 10) & 0x1f; | |
b1094d0e | 701 | bit = (0x69696969 >> shift) & 1; |
215ff9e6 | 702 | bit ^= (val >> 15) & 1; |
703 | val = (val << 1) | bit; | |
b1094d0e | 704 | } |
705 | ||
215ff9e6 | 706 | ChanBuf[ns] = (signed short)val; |
b1094d0e | 707 | } |
07a6dd2c | 708 | |
215ff9e6 | 709 | *dwNoiseCount = counter; |
710 | *dwNoiseVal = val; | |
711 | } | |
712 | ||
713 | static int do_samples_noise(int ch, int ns_to) | |
714 | { | |
715 | int ret; | |
716 | ||
717 | ret = do_samples_skip(ch, ns_to); | |
718 | ||
719 | do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal); | |
720 | ||
89cb2058 | 721 | return ret; |
07a6dd2c | 722 | } |
723 | ||
665f33e1 | 724 | #ifdef HAVE_ARMV5 |
3a721c1f | 725 | // asm code; lv and rv must be 0-3fff |
b17618c0 | 726 | extern void mix_chan(int start, int count, int lv, int rv); |
3154bfab | 727 | extern void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb); |
b17618c0 | 728 | #else |
729 | static void mix_chan(int start, int count, int lv, int rv) | |
730 | { | |
731 | int *dst = SSumLR + start * 2; | |
732 | const int *src = ChanBuf + start; | |
733 | int l, r; | |
734 | ||
735 | while (count--) | |
736 | { | |
737 | int sval = *src++; | |
738 | ||
739 | l = (sval * lv) >> 14; | |
740 | r = (sval * rv) >> 14; | |
741 | *dst++ += l; | |
742 | *dst++ += r; | |
743 | } | |
744 | } | |
745 | ||
3154bfab | 746 | static void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb) |
b17618c0 | 747 | { |
748 | int *dst = SSumLR + start * 2; | |
3154bfab | 749 | int *drvb = rvb + start * 2; |
b17618c0 | 750 | const int *src = ChanBuf + start; |
751 | int l, r; | |
752 | ||
753 | while (count--) | |
754 | { | |
755 | int sval = *src++; | |
756 | ||
757 | l = (sval * lv) >> 14; | |
758 | r = (sval * rv) >> 14; | |
759 | *dst++ += l; | |
760 | *dst++ += r; | |
761 | *drvb++ += l; | |
762 | *drvb++ += r; | |
763 | } | |
764 | } | |
765 | #endif | |
766 | ||
b72f17a1 | 767 | // 0x0800-0x0bff Voice 1 |
768 | // 0x0c00-0x0fff Voice 3 | |
215ff9e6 | 769 | static noinline void do_decode_bufs(unsigned short *mem, int which, |
770 | int count, int decode_pos) | |
b72f17a1 | 771 | { |
215ff9e6 | 772 | unsigned short *dst = &mem[0x800/2 + which*0x400/2]; |
773 | const int *src = ChanBuf; | |
774 | int cursor = decode_pos; | |
b72f17a1 | 775 | |
776 | while (count-- > 0) | |
777 | { | |
ee9afdbd | 778 | cursor &= 0x1ff; |
b72f17a1 | 779 | dst[cursor] = *src++; |
ee9afdbd | 780 | cursor++; |
b72f17a1 | 781 | } |
782 | ||
783 | // decode_pos is updated and irqs are checked later, after voice loop | |
784 | } | |
785 | ||
215ff9e6 | 786 | static void do_silent_chans(int ns_to, int silentch) |
787 | { | |
5514a050 | 788 | unsigned int mask; |
789 | SPUCHAN *s_chan; | |
215ff9e6 | 790 | int ch; |
791 | ||
5514a050 | 792 | mask = silentch & 0xffffff; |
793 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
215ff9e6 | 794 | { |
5514a050 | 795 | if (!(mask & 1)) continue; |
215ff9e6 | 796 | if (spu.dwChannelDead & (1<<ch)) continue; |
5514a050 | 797 | |
798 | s_chan = &spu.s_chan[ch]; | |
799 | if (s_chan->pCurr > spu.pSpuIrq && s_chan->pLoop > spu.pSpuIrq) | |
215ff9e6 | 800 | continue; |
801 | ||
5514a050 | 802 | s_chan->spos += s_chan->iSBPos << 16; |
803 | s_chan->iSBPos = 0; | |
215ff9e6 | 804 | |
5514a050 | 805 | s_chan->spos += s_chan->sinc * ns_to; |
806 | while (s_chan->spos >= 28 * 0x10000) | |
215ff9e6 | 807 | { |
5514a050 | 808 | unsigned char *start = s_chan->pCurr; |
215ff9e6 | 809 | |
810 | skip_block(ch); | |
5514a050 | 811 | if (start == s_chan->pCurr || start - spu.spuMemC < 0x1000) |
215ff9e6 | 812 | { |
813 | // looping on self or stopped(?) | |
814 | spu.dwChannelDead |= 1<<ch; | |
5514a050 | 815 | s_chan->spos = 0; |
215ff9e6 | 816 | break; |
817 | } | |
818 | ||
5514a050 | 819 | s_chan->spos -= 28 * 0x10000; |
215ff9e6 | 820 | } |
821 | } | |
822 | } | |
823 | ||
824 | static void do_channels(int ns_to) | |
825 | { | |
826 | unsigned int mask; | |
5514a050 | 827 | SPUCHAN *s_chan; |
63a4f6b6 | 828 | int *SB, sinc; |
215ff9e6 | 829 | int ch, d; |
830 | ||
831 | InitREVERB(ns_to); | |
832 | ||
833 | mask = spu.dwChannelOn & 0xffffff; | |
834 | for (ch = 0; mask != 0; ch++, mask >>= 1) // loop em all... | |
835 | { | |
836 | if (!(mask & 1)) continue; // channel not playing? next | |
837 | ||
5514a050 | 838 | s_chan = &spu.s_chan[ch]; |
de4a0279 | 839 | SB = spu.SB + ch * SB_SIZE; |
5514a050 | 840 | sinc = s_chan->sinc; |
63a4f6b6 | 841 | |
5514a050 | 842 | if (s_chan->bNoise) |
215ff9e6 | 843 | d = do_samples_noise(ch, ns_to); |
5514a050 | 844 | else if (s_chan->bFMod == 2 |
845 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
63a4f6b6 | 846 | d = do_samples_noint(decode_block, ch, ns_to, |
5514a050 | 847 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
848 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) | |
63a4f6b6 | 849 | d = do_samples_simple(decode_block, ch, ns_to, |
5514a050 | 850 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 851 | else |
63a4f6b6 | 852 | d = do_samples_default(decode_block, ch, ns_to, |
5514a050 | 853 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 854 | |
5514a050 | 855 | d = MixADSR(&s_chan->ADSRX, d); |
215ff9e6 | 856 | if (d < ns_to) { |
857 | spu.dwChannelOn &= ~(1 << ch); | |
5514a050 | 858 | s_chan->ADSRX.EnvelopeVol = 0; |
215ff9e6 | 859 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
860 | } | |
861 | ||
862 | if (ch == 1 || ch == 3) | |
863 | { | |
864 | do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos); | |
865 | spu.decode_dirty_ch |= 1 << ch; | |
866 | } | |
867 | ||
5514a050 | 868 | if (s_chan->bFMod == 2) // fmod freq channel |
215ff9e6 | 869 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 870 | if (s_chan->bRVBActive) |
871 | mix_chan_rvb(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, spu.sRVBStart); | |
215ff9e6 | 872 | else |
5514a050 | 873 | mix_chan(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
215ff9e6 | 874 | } |
875 | } | |
876 | ||
63a4f6b6 | 877 | static void do_samples_finish(int ns_to, int silentch, int decode_pos); |
878 | ||
879 | // optional worker thread handling | |
880 | ||
de4a0279 | 881 | #if defined(THREAD_ENABLED) || defined(WANT_THREAD_CODE) |
63a4f6b6 | 882 | |
5514a050 | 883 | static void thread_work_start(void); |
884 | static void thread_work_wait_sync(void); | |
de4a0279 | 885 | static void thread_sync_caches(void); |
5514a050 | 886 | |
63a4f6b6 | 887 | static void queue_channel_work(int ns_to, int silentch) |
888 | { | |
5514a050 | 889 | const SPUCHAN *s_chan; |
63a4f6b6 | 890 | unsigned int mask; |
891 | int ch; | |
892 | ||
893 | worker->ns_to = ns_to; | |
894 | worker->ctrl = spu.spuCtrl; | |
895 | worker->decode_pos = spu.decode_pos; | |
896 | worker->silentch = silentch; | |
63a4f6b6 | 897 | |
898 | mask = worker->chmask = spu.dwChannelOn & 0xffffff; | |
899 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
900 | { | |
901 | if (!(mask & 1)) continue; | |
902 | ||
5514a050 | 903 | s_chan = &spu.s_chan[ch]; |
904 | worker->ch[ch].spos = s_chan->spos; | |
905 | worker->ch[ch].sbpos = s_chan->iSBPos; | |
906 | worker->ch[ch].sinc = s_chan->sinc; | |
907 | worker->ch[ch].adsr = s_chan->ADSRX; | |
908 | worker->ch[ch].start = s_chan->pCurr - spu.spuMemC; | |
909 | worker->ch[ch].loop = s_chan->pLoop - spu.spuMemC; | |
910 | if (s_chan->prevflags & 1) | |
63a4f6b6 | 911 | worker->ch[ch].start = worker->ch[ch].loop; |
912 | ||
913 | worker->ch[ch].ns_to = do_samples_skip(ch, ns_to); | |
914 | } | |
915 | ||
916 | worker->pending = 1; | |
5514a050 | 917 | thread_work_start(); |
63a4f6b6 | 918 | } |
919 | ||
920 | static void do_channel_work(void) | |
921 | { | |
922 | unsigned int mask, endmask = 0; | |
923 | unsigned int decode_dirty_ch = 0; | |
924 | int *SB, sinc, spos, sbpos; | |
925 | int d, ch, ns_to; | |
5514a050 | 926 | SPUCHAN *s_chan; |
63a4f6b6 | 927 | |
928 | ns_to = worker->ns_to; | |
5514a050 | 929 | memset(spu.sRVBStart, 0, ns_to * sizeof(spu.sRVBStart[0]) * 2); |
63a4f6b6 | 930 | |
931 | mask = worker->chmask; | |
932 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
933 | { | |
934 | if (!(mask & 1)) continue; | |
935 | ||
936 | d = worker->ch[ch].ns_to; | |
937 | spos = worker->ch[ch].spos; | |
938 | sbpos = worker->ch[ch].sbpos; | |
939 | sinc = worker->ch[ch].sinc; | |
63a4f6b6 | 940 | |
5514a050 | 941 | s_chan = &spu.s_chan[ch]; |
de4a0279 | 942 | SB = spu.SB + ch * SB_SIZE; |
5514a050 | 943 | |
944 | if (s_chan->bNoise) | |
63a4f6b6 | 945 | do_lsfr_samples(d, worker->ctrl, &spu.dwNoiseCount, &spu.dwNoiseVal); |
5514a050 | 946 | else if (s_chan->bFMod == 2 |
947 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
63a4f6b6 | 948 | do_samples_noint(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); |
5514a050 | 949 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) |
63a4f6b6 | 950 | do_samples_simple(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); |
951 | else | |
952 | do_samples_default(decode_block_work, ch, d, SB, sinc, &spos, &sbpos); | |
953 | ||
954 | d = MixADSR(&worker->ch[ch].adsr, d); | |
955 | if (d < ns_to) { | |
956 | endmask |= 1 << ch; | |
957 | worker->ch[ch].adsr.EnvelopeVol = 0; | |
958 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); | |
959 | } | |
de4a0279 | 960 | worker->r.ch[ch].adsrState = worker->ch[ch].adsr.State; |
961 | worker->r.ch[ch].adsrEnvelopeVol = worker->ch[ch].adsr.EnvelopeVol; | |
63a4f6b6 | 962 | |
963 | if (ch == 1 || ch == 3) | |
964 | { | |
5514a050 | 965 | do_decode_bufs(spu.spuMem, ch/2, ns_to, worker->decode_pos); |
63a4f6b6 | 966 | decode_dirty_ch |= 1 << ch; |
967 | } | |
968 | ||
5514a050 | 969 | if (s_chan->bFMod == 2) // fmod freq channel |
63a4f6b6 | 970 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 971 | if (s_chan->bRVBActive) |
972 | mix_chan_rvb(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, spu.sRVBStart); | |
63a4f6b6 | 973 | else |
5514a050 | 974 | mix_chan(0, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
63a4f6b6 | 975 | } |
976 | ||
de4a0279 | 977 | worker->r.chan_end = endmask; |
978 | worker->r.decode_dirty = decode_dirty_ch; | |
63a4f6b6 | 979 | } |
980 | ||
de4a0279 | 981 | static void sync_worker_thread(int do_direct) |
63a4f6b6 | 982 | { |
983 | unsigned int mask; | |
984 | int ch; | |
985 | ||
de4a0279 | 986 | if (do_direct) |
987 | thread_sync_caches(); | |
63a4f6b6 | 988 | if (!worker->pending) |
989 | return; | |
990 | ||
5514a050 | 991 | thread_work_wait_sync(); |
63a4f6b6 | 992 | worker->pending = 0; |
993 | ||
994 | mask = worker->chmask; | |
995 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
996 | if (!(mask & 1)) continue; | |
997 | ||
998 | // be sure there was no keyoff while thread was working | |
5514a050 | 999 | if (spu.s_chan[ch].ADSRX.State != ADSR_RELEASE) |
de4a0279 | 1000 | spu.s_chan[ch].ADSRX.State = worker->r.ch[ch].adsrState; |
1001 | spu.s_chan[ch].ADSRX.EnvelopeVol = worker->r.ch[ch].adsrEnvelopeVol; | |
63a4f6b6 | 1002 | } |
1003 | ||
de4a0279 | 1004 | spu.dwChannelOn &= ~worker->r.chan_end; |
1005 | spu.decode_dirty_ch |= worker->r.decode_dirty; | |
63a4f6b6 | 1006 | |
1007 | do_samples_finish(worker->ns_to, worker->silentch, | |
1008 | worker->decode_pos); | |
1009 | } | |
1010 | ||
1011 | #else | |
1012 | ||
1013 | static void queue_channel_work(int ns_to, int silentch) {} | |
de4a0279 | 1014 | static void sync_worker_thread(int do_direct) {} |
63a4f6b6 | 1015 | |
1016 | #endif // THREAD_ENABLED | |
1017 | ||
ef79bbde P |
1018 | //////////////////////////////////////////////////////////////////////// |
1019 | // MAIN SPU FUNCTION | |
6d75977b | 1020 | // here is the main job handler... |
ef79bbde P |
1021 | //////////////////////////////////////////////////////////////////////// |
1022 | ||
de4a0279 | 1023 | void do_samples(unsigned int cycles_to, int do_direct) |
ef79bbde | 1024 | { |
215ff9e6 | 1025 | unsigned int mask; |
1026 | int ch, ns_to; | |
1027 | int silentch; | |
650adfd2 | 1028 | int cycle_diff; |
ef79bbde | 1029 | |
3154bfab | 1030 | cycle_diff = cycles_to - spu.cycles_played; |
650adfd2 | 1031 | if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) |
1032 | { | |
1033 | //xprintf("desync %u %d\n", cycles_to, cycle_diff); | |
3154bfab | 1034 | spu.cycles_played = cycles_to; |
650adfd2 | 1035 | return; |
1036 | } | |
e34a4bd3 | 1037 | |
de4a0279 | 1038 | do_direct |= (cycle_diff < 64 * 768); |
1039 | if (worker != NULL) | |
1040 | sync_worker_thread(do_direct); | |
1041 | ||
650adfd2 | 1042 | if (cycle_diff < 2 * 768) |
1043 | return; | |
e34a4bd3 | 1044 | |
650adfd2 | 1045 | ns_to = (cycle_diff / 768 + 1) & ~1; |
1046 | if (ns_to > NSSIZE) { | |
1047 | // should never happen | |
1048 | //xprintf("ns_to oflow %d %d\n", ns_to, NSSIZE); | |
1049 | ns_to = NSSIZE; | |
1050 | } | |
1051 | ||
1052 | ////////////////////////////////////////////////////// | |
1053 | // special irq handling in the decode buffers (0x0000-0x1000) | |
1054 | // we know: | |
1055 | // the decode buffers are located in spu memory in the following way: | |
1056 | // 0x0000-0x03ff CD audio left | |
1057 | // 0x0400-0x07ff CD audio right | |
1058 | // 0x0800-0x0bff Voice 1 | |
1059 | // 0x0c00-0x0fff Voice 3 | |
1060 | // and decoded data is 16 bit for one sample | |
1061 | // we assume: | |
1062 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
1063 | // play positions will move on and wrap after 0x400 bytes. | |
1064 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
1065 | // increase this pointer on each sample by 2 bytes. If this pointer | |
1066 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
1067 | // an IRQ. | |
1068 | ||
3154bfab | 1069 | if (unlikely((spu.spuCtrl & CTRL_IRQ) |
c4c66b22 | 1070 | && spu.pSpuIrq < spu.spuMemC+0x1000)) |
650adfd2 | 1071 | { |
3154bfab | 1072 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1073 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1074 | if (0 < left && left <= ns_to) |
1075 | { | |
3154bfab | 1076 | //xprintf("decoder irq %x\n", spu.decode_pos); |
650adfd2 | 1077 | do_irq(); |
650adfd2 | 1078 | } |
1079 | } | |
1080 | ||
215ff9e6 | 1081 | mask = spu.dwNewChannel & 0xffffff; |
1082 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
1083 | if (mask & 1) | |
1084 | StartSound(ch); | |
1085 | } | |
174c454a | 1086 | |
63a4f6b6 | 1087 | silentch = ~spu.dwChannelOn & 0xffffff; |
1088 | ||
1089 | if (spu.dwChannelOn == 0) { | |
215ff9e6 | 1090 | InitREVERB(ns_to); |
63a4f6b6 | 1091 | do_samples_finish(ns_to, silentch, spu.decode_pos); |
1092 | } | |
215ff9e6 | 1093 | else { |
de4a0279 | 1094 | if (do_direct || worker == NULL || !spu_config.iUseThread) { |
63a4f6b6 | 1095 | do_channels(ns_to); |
1096 | do_samples_finish(ns_to, silentch, spu.decode_pos); | |
1097 | } | |
1098 | else { | |
1099 | queue_channel_work(ns_to, silentch); | |
1100 | } | |
215ff9e6 | 1101 | } |
ef79bbde | 1102 | |
215ff9e6 | 1103 | // advance "stopped" channels that can cause irqs |
1104 | // (all chans are always playing on the real thing..) | |
1105 | if (spu.spuCtrl & CTRL_IRQ) | |
1106 | do_silent_chans(ns_to, silentch); | |
1107 | ||
1108 | spu.cycles_played += ns_to * 768; | |
1109 | spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff; | |
1110 | } | |
1111 | ||
63a4f6b6 | 1112 | static void do_samples_finish(int ns_to, int silentch, int decode_pos) |
215ff9e6 | 1113 | { |
1114 | int volmult = spu_config.iVolume; | |
1115 | int ns; | |
1116 | int d; | |
78c60846 | 1117 | |
3154bfab | 1118 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<1))) // must clear silent channel decode buffers |
b72f17a1 | 1119 | { |
3154bfab | 1120 | memset(&spu.spuMem[0x800/2], 0, 0x400); |
1121 | spu.decode_dirty_ch &= ~(1<<1); | |
b72f17a1 | 1122 | } |
3154bfab | 1123 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<3))) |
b72f17a1 | 1124 | { |
3154bfab | 1125 | memset(&spu.spuMem[0xc00/2], 0, 0x400); |
1126 | spu.decode_dirty_ch &= ~(1<<3); | |
b72f17a1 | 1127 | } |
8680e822 | 1128 | |
ef79bbde P |
1129 | //---------------------------------------------------// |
1130 | // mix XA infos (if any) | |
1131 | ||
63a4f6b6 | 1132 | MixXA(ns_to, decode_pos); |
ef79bbde P |
1133 | |
1134 | /////////////////////////////////////////////////////// | |
1135 | // mix all channels (including reverb) into one buffer | |
1136 | ||
3154bfab | 1137 | if(spu_config.iUseReverb) |
650adfd2 | 1138 | REVERBDo(ns_to); |
1775933a | 1139 | |
3154bfab | 1140 | if((spu.spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) |
1775933a | 1141 | { |
3154bfab | 1142 | memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0])); |
1143 | spu.pS += ns_to * 2; | |
1775933a | 1144 | } |
1145 | else | |
650adfd2 | 1146 | for (ns = 0; ns < ns_to * 2; ) |
ef79bbde | 1147 | { |
9e7a7352 | 1148 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1149 | d = d * volmult >> 10; | |
1775933a | 1150 | ssat32_to_16(d); |
3154bfab | 1151 | *spu.pS++ = d; |
97ea4077 | 1152 | ns++; |
ef79bbde | 1153 | |
9e7a7352 | 1154 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1155 | d = d * volmult >> 10; | |
1775933a | 1156 | ssat32_to_16(d); |
3154bfab | 1157 | *spu.pS++ = d; |
97ea4077 | 1158 | ns++; |
ef79bbde | 1159 | } |
650adfd2 | 1160 | } |
ef79bbde | 1161 | |
650adfd2 | 1162 | void schedule_next_irq(void) |
1163 | { | |
1164 | unsigned int upd_samples; | |
1165 | int ch; | |
ef79bbde | 1166 | |
3154bfab | 1167 | if (spu.scheduleCallback == NULL) |
650adfd2 | 1168 | return; |
e34a4bd3 | 1169 | |
650adfd2 | 1170 | upd_samples = 44100 / 50; |
e34a4bd3 | 1171 | |
650adfd2 | 1172 | for (ch = 0; ch < MAXCHAN; ch++) |
1173 | { | |
3154bfab | 1174 | if (spu.dwChannelDead & (1 << ch)) |
650adfd2 | 1175 | continue; |
5514a050 | 1176 | if ((unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 |
1177 | && (unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) | |
650adfd2 | 1178 | continue; |
16187bfb | 1179 | |
650adfd2 | 1180 | scan_for_irq(ch, &upd_samples); |
ef79bbde P |
1181 | } |
1182 | ||
3154bfab | 1183 | if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) |
650adfd2 | 1184 | { |
3154bfab | 1185 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1186 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1187 | if (0 < left && left < upd_samples) { |
3154bfab | 1188 | //xprintf("decode: %3d (%3d/%3d)\n", left, spu.decode_pos, irq_pos); |
650adfd2 | 1189 | upd_samples = left; |
1190 | } | |
1191 | } | |
16187bfb | 1192 | |
650adfd2 | 1193 | if (upd_samples < 44100 / 50) |
3154bfab | 1194 | spu.scheduleCallback(upd_samples * 768); |
ef79bbde P |
1195 | } |
1196 | ||
1197 | // SPU ASYNC... even newer epsxe func | |
1198 | // 1 time every 'cycle' cycles... harhar | |
1199 | ||
650adfd2 | 1200 | // rearmed: called dynamically now |
554a2220 | 1201 | |
650adfd2 | 1202 | void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) |
ef79bbde | 1203 | { |
63a4f6b6 | 1204 | do_samples(cycle, 0); |
fb552464 | 1205 | |
3154bfab | 1206 | if (spu.spuCtrl & CTRL_IRQ) |
650adfd2 | 1207 | schedule_next_irq(); |
f8edb5bc | 1208 | |
650adfd2 | 1209 | if (flags & 1) { |
3154bfab | 1210 | out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); |
1211 | spu.pS = (short *)spu.pSpuBuffer; | |
fb552464 | 1212 | |
3154bfab | 1213 | if (spu_config.iTempo) { |
650adfd2 | 1214 | if (!out_current->busy()) |
1215 | // cause more samples to be generated | |
1216 | // (and break some games because of bad sync) | |
3154bfab | 1217 | spu.cycles_played -= 44100 / 60 / 2 * 768; |
ef79bbde | 1218 | } |
650adfd2 | 1219 | } |
ef79bbde P |
1220 | } |
1221 | ||
1222 | // SPU UPDATE... new epsxe func | |
1223 | // 1 time every 32 hsync lines | |
1224 | // (312/32)x50 in pal | |
1225 | // (262/32)x60 in ntsc | |
1226 | ||
1227 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
1228 | // leave that func in the linux port, until epsxe linux is using | |
1229 | // the async function as well | |
1230 | ||
1231 | void CALLBACK SPUupdate(void) | |
1232 | { | |
ef79bbde P |
1233 | } |
1234 | ||
1235 | // XA AUDIO | |
1236 | ||
1237 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
1238 | { | |
1239 | if(!xap) return; | |
1240 | if(!xap->freq) return; // no xa freq ? bye | |
1241 | ||
1242 | FeedXA(xap); // call main XA feeder | |
1243 | } | |
1244 | ||
1245 | // CDDA AUDIO | |
983a7cfd | 1246 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 1247 | { |
983a7cfd | 1248 | if (!pcm) return -1; |
1249 | if (nbytes<=0) return -1; | |
ef79bbde | 1250 | |
983a7cfd | 1251 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
1252 | } |
1253 | ||
6d75977b | 1254 | // to be called after state load |
1255 | void ClearWorkingState(void) | |
ef79bbde | 1256 | { |
5514a050 | 1257 | memset(SSumLR, 0, NSSIZE * 2 * 4); // init some mixing buffers |
1258 | memset(iFMod, 0, sizeof(iFMod)); | |
3154bfab | 1259 | spu.pS=(short *)spu.pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
1260 | } |
1261 | ||
1262 | // SETUPSTREAMS: init most of the spu buffers | |
1263 | void SetupStreams(void) | |
1264 | { | |
1265 | int i; | |
1266 | ||
3154bfab | 1267 | spu.pSpuBuffer = (unsigned char *)malloc(32768); // alloc mixing buffer |
5514a050 | 1268 | spu.sRVBStart = calloc(NSSIZE * 2, sizeof(spu.sRVBStart[0])); |
1269 | SSumLR = calloc(NSSIZE * 2, sizeof(SSumLR[0])); | |
ef79bbde | 1270 | |
3154bfab | 1271 | spu.XAStart = // alloc xa buffer |
ef79bbde | 1272 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); |
3154bfab | 1273 | spu.XAEnd = spu.XAStart + 44100; |
1274 | spu.XAPlay = spu.XAStart; | |
1275 | spu.XAFeed = spu.XAStart; | |
ef79bbde | 1276 | |
3154bfab | 1277 | spu.CDDAStart = // alloc cdda buffer |
983a7cfd | 1278 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
3154bfab | 1279 | spu.CDDAEnd = spu.CDDAStart + 16384; |
1280 | spu.CDDAPlay = spu.CDDAStart; | |
1281 | spu.CDDAFeed = spu.CDDAStart; | |
ef79bbde P |
1282 | |
1283 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1284 | { | |
5514a050 | 1285 | spu.s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
1286 | spu.s_chan[i].ADSRX.SustainIncrease = 1; | |
1287 | spu.s_chan[i].pLoop=spu.spuMemC; | |
1288 | spu.s_chan[i].pCurr=spu.spuMemC; | |
ef79bbde P |
1289 | } |
1290 | ||
6d75977b | 1291 | ClearWorkingState(); |
1292 | ||
3154bfab | 1293 | spu.bSpuInit=1; // flag: we are inited |
ef79bbde P |
1294 | } |
1295 | ||
1296 | // REMOVESTREAMS: free most buffer | |
1297 | void RemoveStreams(void) | |
1298 | { | |
3154bfab | 1299 | free(spu.pSpuBuffer); // free mixing buffer |
1300 | spu.pSpuBuffer = NULL; | |
1301 | free(spu.sRVBStart); // free reverb buffer | |
1302 | spu.sRVBStart = NULL; | |
5514a050 | 1303 | free(SSumLR); |
1304 | SSumLR = NULL; | |
3154bfab | 1305 | free(spu.XAStart); // free XA buffer |
1306 | spu.XAStart = NULL; | |
1307 | free(spu.CDDAStart); // free CDDA buffer | |
1308 | spu.CDDAStart = NULL; | |
ef79bbde P |
1309 | } |
1310 | ||
5514a050 | 1311 | #if defined(C64X_DSP) |
1312 | ||
1313 | /* special code for TI C64x DSP */ | |
1314 | #include "spu_c64x.c" | |
1315 | ||
1316 | #elif defined(THREAD_ENABLED) | |
1317 | ||
1318 | #include <pthread.h> | |
1319 | #include <semaphore.h> | |
1320 | #include <unistd.h> | |
1321 | ||
1322 | static struct { | |
1323 | pthread_t thread; | |
1324 | sem_t sem_avail; | |
1325 | sem_t sem_done; | |
1326 | } t; | |
1327 | ||
1328 | /* generic pthread implementation */ | |
1329 | ||
1330 | static void thread_work_start(void) | |
1331 | { | |
1332 | sem_post(&t.sem_avail); | |
1333 | } | |
1334 | ||
1335 | static void thread_work_wait_sync(void) | |
1336 | { | |
1337 | sem_wait(&t.sem_done); | |
1338 | } | |
63a4f6b6 | 1339 | |
de4a0279 | 1340 | static void thread_sync_caches(void) |
1341 | { | |
1342 | } | |
1343 | ||
63a4f6b6 | 1344 | static void *spu_worker_thread(void *unused) |
1345 | { | |
1346 | while (1) { | |
5514a050 | 1347 | sem_wait(&t.sem_avail); |
63a4f6b6 | 1348 | if (worker->exit_thread) |
1349 | break; | |
1350 | ||
1351 | do_channel_work(); | |
1352 | ||
5514a050 | 1353 | sem_post(&t.sem_done); |
63a4f6b6 | 1354 | } |
1355 | ||
1356 | return NULL; | |
1357 | } | |
1358 | ||
1359 | static void init_spu_thread(void) | |
1360 | { | |
1361 | int ret; | |
1362 | ||
1363 | if (sysconf(_SC_NPROCESSORS_ONLN) <= 1) | |
1364 | return; | |
1365 | ||
1366 | worker = calloc(1, sizeof(*worker)); | |
1367 | if (worker == NULL) | |
1368 | return; | |
5514a050 | 1369 | ret = sem_init(&t.sem_avail, 0, 0); |
63a4f6b6 | 1370 | if (ret != 0) |
1371 | goto fail_sem_avail; | |
5514a050 | 1372 | ret = sem_init(&t.sem_done, 0, 0); |
63a4f6b6 | 1373 | if (ret != 0) |
1374 | goto fail_sem_done; | |
1375 | ||
5514a050 | 1376 | ret = pthread_create(&t.thread, NULL, spu_worker_thread, NULL); |
63a4f6b6 | 1377 | if (ret != 0) |
1378 | goto fail_thread; | |
1379 | ||
1380 | return; | |
1381 | ||
1382 | fail_thread: | |
5514a050 | 1383 | sem_destroy(&t.sem_done); |
63a4f6b6 | 1384 | fail_sem_done: |
5514a050 | 1385 | sem_destroy(&t.sem_avail); |
63a4f6b6 | 1386 | fail_sem_avail: |
1387 | free(worker); | |
1388 | worker = NULL; | |
1389 | } | |
1390 | ||
1391 | static void exit_spu_thread(void) | |
1392 | { | |
1393 | if (worker == NULL) | |
1394 | return; | |
1395 | worker->exit_thread = 1; | |
5514a050 | 1396 | sem_post(&t.sem_avail); |
1397 | pthread_join(t.thread, NULL); | |
1398 | sem_destroy(&t.sem_done); | |
1399 | sem_destroy(&t.sem_avail); | |
63a4f6b6 | 1400 | free(worker); |
1401 | worker = NULL; | |
1402 | } | |
1403 | ||
1404 | #else // if !THREAD_ENABLED | |
1405 | ||
1406 | static void init_spu_thread(void) | |
1407 | { | |
1408 | } | |
1409 | ||
1410 | static void exit_spu_thread(void) | |
1411 | { | |
1412 | } | |
1413 | ||
1414 | #endif | |
ef79bbde P |
1415 | |
1416 | // SPUINIT: this func will be called first by the main emu | |
1417 | long CALLBACK SPUinit(void) | |
1418 | { | |
5514a050 | 1419 | spu.spuMemC = calloc(1, 512 * 1024); |
ef79bbde P |
1420 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); |
1421 | InitADSR(); | |
1422 | ||
5514a050 | 1423 | spu.s_chan = calloc(MAXCHAN+1, sizeof(spu.s_chan[0])); // channel + 1 infos (1 is security for fmod handling) |
de4a0279 | 1424 | spu.SB = calloc(MAXCHAN, sizeof(spu.SB[0]) * SB_SIZE); |
5514a050 | 1425 | |
1426 | spu.spuAddr = 0; | |
3154bfab | 1427 | spu.decode_pos = 0; |
c4c66b22 | 1428 | spu.pSpuIrq = spu.spuMemC; |
ef79bbde | 1429 | |
ef79bbde P |
1430 | SetupStreams(); // prepare streaming |
1431 | ||
3154bfab | 1432 | if (spu_config.iVolume == 0) |
1433 | spu_config.iVolume = 768; // 1024 is 1.0 | |
1434 | ||
63a4f6b6 | 1435 | init_spu_thread(); |
1436 | ||
ef79bbde P |
1437 | return 0; |
1438 | } | |
1439 | ||
1440 | // SPUOPEN: called by main emu after init | |
1441 | long CALLBACK SPUopen(void) | |
1442 | { | |
3154bfab | 1443 | if (spu.bSPUIsOpen) return 0; // security for some stupid main emus |
ef79bbde P |
1444 | |
1445 | SetupSound(); // setup sound (before init!) | |
ef79bbde | 1446 | |
3154bfab | 1447 | spu.bSPUIsOpen = 1; |
ef79bbde P |
1448 | |
1449 | return PSE_SPU_ERR_SUCCESS; | |
1450 | } | |
1451 | ||
1452 | // SPUCLOSE: called before shutdown | |
1453 | long CALLBACK SPUclose(void) | |
1454 | { | |
3154bfab | 1455 | if (!spu.bSPUIsOpen) return 0; // some security |
ef79bbde | 1456 | |
3154bfab | 1457 | spu.bSPUIsOpen = 0; // no more open |
ef79bbde | 1458 | |
07c13dfd | 1459 | out_current->finish(); // no more sound handling |
ef79bbde P |
1460 | |
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | // SPUSHUTDOWN: called by main emu on final exit | |
1465 | long CALLBACK SPUshutdown(void) | |
1466 | { | |
1467 | SPUclose(); | |
ef79bbde | 1468 | |
63a4f6b6 | 1469 | exit_spu_thread(); |
1470 | ||
5514a050 | 1471 | free(spu.spuMemC); |
1472 | spu.spuMemC = NULL; | |
de4a0279 | 1473 | free(spu.SB); |
1474 | spu.SB = NULL; | |
5514a050 | 1475 | free(spu.s_chan); |
1476 | spu.s_chan = NULL; | |
1477 | ||
1478 | RemoveStreams(); // no more streaming | |
1479 | spu.bSpuInit=0; | |
1480 | ||
ef79bbde P |
1481 | return 0; |
1482 | } | |
1483 | ||
1484 | // SPUTEST: we don't test, we are always fine ;) | |
1485 | long CALLBACK SPUtest(void) | |
1486 | { | |
1487 | return 0; | |
1488 | } | |
1489 | ||
1490 | // SPUCONFIGURE: call config dialog | |
1491 | long CALLBACK SPUconfigure(void) | |
1492 | { | |
1493 | #ifdef _MACOSX | |
1494 | DoConfiguration(); | |
1495 | #else | |
ee849648 | 1496 | // StartCfgTool("CFG"); |
ef79bbde P |
1497 | #endif |
1498 | return 0; | |
1499 | } | |
1500 | ||
1501 | // SPUABOUT: show about window | |
1502 | void CALLBACK SPUabout(void) | |
1503 | { | |
1504 | #ifdef _MACOSX | |
1505 | DoAbout(); | |
1506 | #else | |
ee849648 | 1507 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1508 | #endif |
1509 | } | |
1510 | ||
1511 | // SETUP CALLBACKS | |
1512 | // this functions will be called once, | |
1513 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1514 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1515 | { | |
3154bfab | 1516 | spu.irqCallback = callback; |
ef79bbde P |
1517 | } |
1518 | ||
1519 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1520 | { | |
3154bfab | 1521 | spu.cddavCallback = CDDAVcallback; |
ef79bbde P |
1522 | } |
1523 | ||
2b30c129 | 1524 | void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) |
1525 | { | |
3154bfab | 1526 | spu.scheduleCallback = callback; |
2b30c129 | 1527 | } |
1528 | ||
ef79bbde | 1529 | // COMMON PLUGIN INFO FUNCS |
e906c010 | 1530 | /* |
ef79bbde P |
1531 | char * CALLBACK PSEgetLibName(void) |
1532 | { | |
1533 | return _(libraryName); | |
1534 | } | |
1535 | ||
1536 | unsigned long CALLBACK PSEgetLibType(void) | |
1537 | { | |
1538 | return PSE_LT_SPU; | |
1539 | } | |
1540 | ||
1541 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1542 | { | |
1543 | return (1 << 16) | (6 << 8); | |
1544 | } | |
1545 | ||
1546 | char * SPUgetLibInfos(void) | |
1547 | { | |
1548 | return _(libraryInfo); | |
1549 | } | |
e906c010 | 1550 | */ |
6d866bb7 | 1551 | |
90f1d26c | 1552 | // debug |
174c454a | 1553 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1554 | { |
174c454a | 1555 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1556 | |
5514a050 | 1557 | if (spu.s_chan == NULL) |
1558 | return; | |
1559 | ||
90f1d26c | 1560 | for(;ch<MAXCHAN;ch++) |
1561 | { | |
3154bfab | 1562 | if (!(spu.dwChannelOn & (1<<ch))) |
90f1d26c | 1563 | continue; |
5514a050 | 1564 | if (spu.s_chan[ch].bFMod == 2) |
90f1d26c | 1565 | fmod_chans |= 1 << ch; |
5514a050 | 1566 | if (spu.s_chan[ch].bNoise) |
90f1d26c | 1567 | noise_chans |= 1 << ch; |
5514a050 | 1568 | if((spu.spuCtrl&CTRL_IRQ) && spu.s_chan[ch].pCurr <= spu.pSpuIrq && spu.s_chan[ch].pLoop <= spu.pSpuIrq) |
174c454a | 1569 | irq_chans |= 1 << ch; |
90f1d26c | 1570 | } |
1571 | ||
3154bfab | 1572 | *chans_out = spu.dwChannelOn; |
1573 | *run_chans = ~spu.dwChannelOn & ~spu.dwChannelDead & irq_chans; | |
90f1d26c | 1574 | *fmod_chans_out = fmod_chans; |
1575 | *noise_chans_out = noise_chans; | |
1576 | } | |
1577 | ||
6d866bb7 | 1578 | // vim:shiftwidth=1:expandtab |