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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 | |
e4f075af | 8 | Portions (C) GraÅžvydas "notaz" Ignotas, 2010-2012 |
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 | ||
21 | #include "stdafx.h" | |
22 | ||
23 | #define _IN_SPU | |
24 | ||
25 | #include "externals.h" | |
3fc2a4c2 | 26 | #include "registers.h" |
ef79bbde | 27 | #include "dsoundoss.h" |
ef79bbde P |
28 | |
29 | #ifdef ENABLE_NLS | |
30 | #include <libintl.h> | |
31 | #include <locale.h> | |
32 | #define _(x) gettext(x) | |
33 | #define N_(x) (x) | |
34 | #else | |
35 | #define _(x) (x) | |
36 | #define N_(x) (x) | |
37 | #endif | |
38 | ||
a80ae4a0 | 39 | #ifdef __ARM_ARCH_7A__ |
1775933a | 40 | #define ssat32_to_16(v) \ |
41 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
42 | #else | |
43 | #define ssat32_to_16(v) do { \ | |
44 | if (v < -32768) v = -32768; \ | |
45 | else if (v > 32767) v = 32767; \ | |
46 | } while (0) | |
47 | #endif | |
48 | ||
fb552464 | 49 | #define PSXCLK 33868800 /* 33.8688 MHz */ |
50 | ||
6d866bb7 | 51 | /* |
ef79bbde P |
52 | #if defined (USEMACOSX) |
53 | static char * libraryName = N_("Mac OS X Sound"); | |
54 | #elif defined (USEALSA) | |
55 | static char * libraryName = N_("ALSA Sound"); | |
56 | #elif defined (USEOSS) | |
57 | static char * libraryName = N_("OSS Sound"); | |
58 | #elif defined (USESDL) | |
59 | static char * libraryName = N_("SDL Sound"); | |
60 | #elif defined (USEPULSEAUDIO) | |
61 | static char * libraryName = N_("PulseAudio Sound"); | |
62 | #else | |
63 | static char * libraryName = N_("NULL Sound"); | |
64 | #endif | |
65 | ||
66 | 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 | 67 | */ |
ef79bbde P |
68 | |
69 | // globals | |
70 | ||
71 | // psx buffer / addresses | |
72 | ||
73 | unsigned short regArea[10000]; | |
74 | unsigned short spuMem[256*1024]; | |
75 | unsigned char * spuMemC; | |
76 | unsigned char * pSpuIrq=0; | |
77 | unsigned char * pSpuBuffer; | |
78 | unsigned char * pMixIrq=0; | |
79 | ||
80 | // user settings | |
81 | ||
9e7a7352 | 82 | int iVolume=768; // 1024 is 1.0 |
ef79bbde | 83 | int iXAPitch=1; |
ef79bbde P |
84 | int iUseReverb=2; |
85 | int iUseInterpolation=2; | |
ef79bbde P |
86 | |
87 | // MAIN infos struct for each channel | |
88 | ||
89 | SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling) | |
90 | REVERBInfo rvb; | |
91 | ||
b1094d0e | 92 | unsigned int dwNoiseVal; // global noise generator |
93 | unsigned int dwNoiseCount; | |
ef79bbde P |
94 | |
95 | unsigned short spuCtrl=0; // some vars to store psx reg infos | |
96 | unsigned short spuStat=0; | |
97 | unsigned short spuIrq=0; | |
98 | unsigned long spuAddr=0xffffffff; // address into spu mem | |
ef79bbde P |
99 | int bSpuInit=0; |
100 | int bSPUIsOpen=0; | |
101 | ||
174c454a | 102 | unsigned int dwNewChannel=0; // flags for faster testing, if new channel starts |
103 | unsigned int dwChannelOn=0; // not silent channels | |
104 | unsigned int dwPendingChanOff=0; | |
105 | unsigned int dwChannelDead=0; // silent+not useful channels | |
ef79bbde P |
106 | |
107 | void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq | |
108 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; | |
109 | ||
110 | // certain globals (were local before, but with the new timeproc I need em global) | |
111 | ||
6d866bb7 | 112 | static const int f[8][2] = { { 0, 0 }, |
ef79bbde P |
113 | { 60, 0 }, |
114 | { 115, -52 }, | |
115 | { 98, -55 }, | |
116 | { 122, -60 } }; | |
b17618c0 | 117 | int ChanBuf[NSSIZE+3]; |
118 | int SSumLR[(NSSIZE+3)*2]; | |
ef79bbde P |
119 | int iFMod[NSSIZE]; |
120 | int iCycle = 0; | |
121 | short * pS; | |
122 | ||
fb552464 | 123 | int had_dma; |
ef79bbde P |
124 | int lastch=-1; // last channel processed on spu irq in timer mode |
125 | static int lastns=0; // last ns pos | |
fb552464 | 126 | static int cycles_since_update; |
ef79bbde | 127 | |
983a7cfd | 128 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
129 | ||
ef79bbde P |
130 | //////////////////////////////////////////////////////////////////////// |
131 | // CODE AREA | |
132 | //////////////////////////////////////////////////////////////////////// | |
133 | ||
134 | // dirty inline func includes | |
135 | ||
136 | #include "reverb.c" | |
137 | #include "adsr.c" | |
138 | ||
139 | //////////////////////////////////////////////////////////////////////// | |
140 | // helpers for simple interpolation | |
141 | ||
142 | // | |
143 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
144 | // | |
145 | // instead of having n equal sample values in a row like: | |
146 | // ____ | |
147 | // |____ | |
148 | // | |
149 | // we compare the current delta change with the next delta change. | |
150 | // | |
151 | // if curr_delta is positive, | |
152 | // | |
153 | // - and next delta is smaller (or changing direction): | |
154 | // \. | |
155 | // -__ | |
156 | // | |
157 | // - and next delta significant (at least twice) bigger: | |
158 | // --_ | |
159 | // \. | |
160 | // | |
161 | // - and next delta is nearly same: | |
162 | // \. | |
163 | // \. | |
164 | // | |
165 | // | |
166 | // if curr_delta is negative, | |
167 | // | |
168 | // - and next delta is smaller (or changing direction): | |
169 | // _-- | |
170 | // / | |
171 | // | |
172 | // - and next delta significant (at least twice) bigger: | |
173 | // / | |
174 | // __- | |
175 | // | |
176 | // - and next delta is nearly same: | |
177 | // / | |
178 | // / | |
179 | // | |
180 | ||
181 | ||
182 | INLINE void InterpolateUp(int ch) | |
183 | { | |
184 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
185 | { | |
186 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
187 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
188 | ||
189 | s_chan[ch].SB[32]=0; | |
190 | ||
191 | if(id1>0) // curr delta positive | |
192 | { | |
193 | if(id2<id1) | |
194 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
195 | else | |
196 | if(id2<(id1<<1)) | |
197 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
198 | else | |
199 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
200 | } | |
201 | else // curr delta negative | |
202 | { | |
203 | if(id2>id1) | |
204 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
205 | else | |
206 | if(id2>(id1<<1)) | |
207 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
208 | else | |
209 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
210 | } | |
211 | } | |
212 | else | |
213 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
214 | { | |
215 | s_chan[ch].SB[32]=0; | |
216 | ||
217 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
76d1d09c | 218 | //if(s_chan[ch].sinc<=0x8000) |
219 | // s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
220 | //else | |
221 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
ef79bbde P |
222 | } |
223 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
224 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
225 | } | |
226 | ||
227 | // | |
228 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
229 | // | |
230 | ||
231 | INLINE void InterpolateDown(int ch) | |
232 | { | |
233 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
234 | { | |
235 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
236 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
237 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
238 | } | |
239 | } | |
240 | ||
241 | //////////////////////////////////////////////////////////////////////// | |
242 | // helpers for gauss interpolation | |
243 | ||
244 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
245 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
246 | ||
247 | #include "gauss_i.h" | |
248 | ||
249 | //////////////////////////////////////////////////////////////////////// | |
250 | ||
251 | #include "xa.c" | |
252 | ||
e4f075af | 253 | static void do_irq(void) |
254 | { | |
255 | //if(!(spuStat & STAT_IRQ)) | |
256 | { | |
257 | spuStat |= STAT_IRQ; // asserted status? | |
258 | if(irqCallback) irqCallback(); | |
259 | } | |
260 | } | |
261 | ||
262 | static int check_irq(int ch, unsigned char *pos) | |
263 | { | |
264 | if((spuCtrl & CTRL_IRQ) && pos == pSpuIrq) | |
265 | { | |
266 | //printf("ch%d irq %04x\n", ch, pos - spuMemC); | |
267 | do_irq(); | |
268 | return 1; | |
269 | } | |
270 | return 0; | |
271 | } | |
272 | ||
ef79bbde P |
273 | //////////////////////////////////////////////////////////////////////// |
274 | // START SOUND... called by main thread to setup a new sound on a channel | |
275 | //////////////////////////////////////////////////////////////////////// | |
276 | ||
277 | INLINE void StartSound(int ch) | |
278 | { | |
279 | StartADSR(ch); | |
280 | StartREVERB(ch); | |
281 | ||
b00afb77 | 282 | // fussy timing issues - do in VoiceOn |
283 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
284 | //s_chan[ch].bStop=0; | |
285 | //s_chan[ch].bOn=1; | |
ef79bbde | 286 | |
381ea103 | 287 | s_chan[ch].SB[26]=0; // init mixing vars |
288 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
289 | s_chan[ch].iSBPos=28; |
290 | ||
ef79bbde P |
291 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
292 | s_chan[ch].SB[30]=0; | |
293 | ||
294 | if(iUseInterpolation>=2) // gauss interpolation? | |
295 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
296 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
297 | ||
e4f075af | 298 | check_irq(ch, s_chan[ch].pCurr); // just in case |
299 | ||
ef79bbde P |
300 | dwNewChannel&=~(1<<ch); // clear new channel bit |
301 | } | |
302 | ||
303 | //////////////////////////////////////////////////////////////////////// | |
304 | // ALL KIND OF HELPERS | |
305 | //////////////////////////////////////////////////////////////////////// | |
306 | ||
07a6dd2c | 307 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde | 308 | { |
7e44d49d | 309 | unsigned int NP=s_chan[ch].iRawPitch; |
07a6dd2c | 310 | int sinc; |
ef79bbde P |
311 | |
312 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
313 | ||
314 | if(NP>0x3fff) NP=0x3fff; | |
315 | if(NP<0x1) NP=0x1; | |
316 | ||
7e44d49d | 317 | sinc=NP<<4; // calc frequency |
ef79bbde | 318 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 319 | s_chan[ch].SB[32]=1; |
ef79bbde | 320 | iFMod[ns]=0; |
07a6dd2c | 321 | |
322 | return sinc; | |
ef79bbde P |
323 | } |
324 | ||
325 | //////////////////////////////////////////////////////////////////////// | |
326 | ||
ef79bbde P |
327 | INLINE void StoreInterpolationVal(int ch,int fa) |
328 | { | |
329 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
330 | s_chan[ch].SB[29]=fa; | |
331 | else | |
332 | { | |
381ea103 | 333 | ssat32_to_16(fa); |
ef79bbde P |
334 | |
335 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
336 | { | |
337 | int gpos = s_chan[ch].SB[28]; | |
338 | gval0 = fa; | |
339 | gpos = (gpos+1) & 3; | |
340 | s_chan[ch].SB[28] = gpos; | |
341 | } | |
342 | else | |
343 | if(iUseInterpolation==1) // simple interpolation | |
344 | { | |
345 | s_chan[ch].SB[28] = 0; | |
346 | s_chan[ch].SB[29] = s_chan[ch].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' | |
347 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
348 | s_chan[ch].SB[31] = fa; | |
349 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
350 | } | |
351 | else s_chan[ch].SB[29]=fa; // no interpolation | |
352 | } | |
353 | } | |
354 | ||
355 | //////////////////////////////////////////////////////////////////////// | |
356 | ||
8cd23d6d | 357 | INLINE int iGetInterpolationVal(int ch, int spos) |
ef79bbde P |
358 | { |
359 | int fa; | |
360 | ||
361 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
362 | ||
363 | switch(iUseInterpolation) | |
364 | { | |
365 | //--------------------------------------------------// | |
366 | case 3: // cubic interpolation | |
367 | { | |
368 | long xd;int gpos; | |
8cd23d6d | 369 | xd = (spos >> 1)+1; |
ef79bbde P |
370 | gpos = s_chan[ch].SB[28]; |
371 | ||
372 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
373 | fa *= (xd - (2<<15)) / 6; | |
374 | fa >>= 15; | |
375 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
376 | fa *= (xd - (1<<15)) >> 1; | |
377 | fa >>= 15; | |
378 | fa += gval(1) - gval0; | |
379 | fa *= xd; | |
380 | fa >>= 15; | |
381 | fa = fa + gval0; | |
382 | ||
383 | } break; | |
384 | //--------------------------------------------------// | |
385 | case 2: // gauss interpolation | |
386 | { | |
387 | int vl, vr;int gpos; | |
8cd23d6d | 388 | vl = (spos >> 6) & ~3; |
ef79bbde P |
389 | gpos = s_chan[ch].SB[28]; |
390 | vr=(gauss[vl]*gval0)&~2047; | |
391 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
392 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
393 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
394 | fa = vr>>11; | |
395 | } break; | |
396 | //--------------------------------------------------// | |
397 | case 1: // simple interpolation | |
398 | { | |
399 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
400 | InterpolateUp(ch); // --> interpolate up | |
401 | else InterpolateDown(ch); // --> else down | |
402 | fa=s_chan[ch].SB[29]; | |
403 | } break; | |
404 | //--------------------------------------------------// | |
405 | default: // no interpolation | |
406 | { | |
407 | fa=s_chan[ch].SB[29]; | |
408 | } break; | |
409 | //--------------------------------------------------// | |
410 | } | |
411 | ||
412 | return fa; | |
413 | } | |
414 | ||
381ea103 | 415 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
416 | { | |
417 | int nSample; | |
418 | int fa, s_1, s_2, d, s; | |
419 | ||
420 | s_1 = dest[27]; | |
421 | s_2 = dest[26]; | |
422 | ||
423 | for (nSample = 0; nSample < 28; src++) | |
424 | { | |
425 | d = (int)*src; | |
426 | s = (int)(signed short)((d & 0x0f) << 12); | |
427 | ||
428 | fa = s >> shift_factor; | |
429 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
430 | s_2=s_1;s_1=fa; | |
431 | ||
432 | dest[nSample++] = fa; | |
433 | ||
434 | s = (int)(signed short)((d & 0xf0) << 8); | |
435 | fa = s >> shift_factor; | |
436 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
437 | s_2=s_1;s_1=fa; | |
438 | ||
439 | dest[nSample++] = fa; | |
440 | } | |
441 | } | |
442 | ||
e11ae5c5 | 443 | static int decode_block(int ch) |
444 | { | |
445 | unsigned char *start; | |
381ea103 | 446 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 447 | int ret = 0; |
448 | ||
e11ae5c5 | 449 | start=s_chan[ch].pCurr; // set up the current pos |
e11ae5c5 | 450 | |
e4f075af | 451 | if(s_chan[ch].prevflags&1) // 1: stop/loop |
3fc2a4c2 | 452 | { |
e4f075af | 453 | if(!(s_chan[ch].prevflags&2)) |
3fc2a4c2 | 454 | { |
e4f075af | 455 | dwChannelOn&=~(1<<ch); // -> turn everything off |
456 | s_chan[ch].bStop=1; | |
457 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
3fc2a4c2 | 458 | } |
e4f075af | 459 | |
460 | start = s_chan[ch].pLoop; | |
3fc2a4c2 | 461 | } |
e11ae5c5 | 462 | |
381ea103 | 463 | predict_nr=(int)start[0]; |
e11ae5c5 | 464 | shift_factor=predict_nr&0xf; |
465 | predict_nr >>= 4; | |
e11ae5c5 | 466 | |
381ea103 | 467 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 468 | |
381ea103 | 469 | flags=(int)start[1]; |
470 | if(flags&4) | |
471 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 472 | |
381ea103 | 473 | start+=16; |
3fc2a4c2 | 474 | |
e4f075af | 475 | if(flags&1) // 1: stop/loop |
3fc2a4c2 | 476 | start = s_chan[ch].pLoop; |
e11ae5c5 | 477 | |
e4f075af | 478 | if (start - spuMemC >= 0x80000) |
174c454a | 479 | start = spuMemC; |
e4f075af | 480 | |
481 | ret = check_irq(ch, start); | |
e11ae5c5 | 482 | |
381ea103 | 483 | s_chan[ch].pCurr = start; // store values for next cycle |
e4f075af | 484 | s_chan[ch].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 | { | |
492 | unsigned char *start = s_chan[ch].pCurr; | |
493 | int flags = start[1]; | |
07a6dd2c | 494 | |
e4f075af | 495 | if(s_chan[ch].prevflags & 1) |
496 | start = s_chan[ch].pLoop; | |
07a6dd2c | 497 | |
381ea103 | 498 | if(flags & 4) |
be1cb678 | 499 | s_chan[ch].pLoop = start; |
07a6dd2c | 500 | |
e4f075af | 501 | start += 16; |
07a6dd2c | 502 | |
503 | if(flags & 1) | |
e4f075af | 504 | start = s_chan[ch].pLoop; |
07a6dd2c | 505 | |
e4f075af | 506 | s_chan[ch].pCurr = start; |
507 | s_chan[ch].prevflags = flags; | |
508 | ||
509 | return check_irq(ch, start); | |
07a6dd2c | 510 | } |
511 | ||
512 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
513 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
514 | { \ | |
515 | int sinc = s_chan[ch].sinc; \ | |
516 | int spos = s_chan[ch].spos; \ | |
381ea103 | 517 | int sbpos = s_chan[ch].iSBPos; \ |
518 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 519 | int ret = -1; \ |
520 | int d, fa; \ | |
521 | interp_start; \ | |
522 | \ | |
523 | for (; ns < ns_to; ns++) \ | |
524 | { \ | |
525 | fmod_code; \ | |
526 | \ | |
527 | while (spos >= 0x10000) \ | |
528 | { \ | |
381ea103 | 529 | if(sbpos == 28) \ |
07a6dd2c | 530 | { \ |
381ea103 | 531 | sbpos = 0; \ |
07a6dd2c | 532 | d = decode_block(ch); \ |
f2aec10a | 533 | if(d) \ |
07a6dd2c | 534 | { \ |
535 | ret = ns; \ | |
536 | goto out; \ | |
537 | } \ | |
538 | } \ | |
539 | \ | |
381ea103 | 540 | fa = SB[sbpos++]; \ |
07a6dd2c | 541 | interp1_code; \ |
542 | spos -= 0x10000; \ | |
543 | } \ | |
544 | \ | |
545 | interp2_code; \ | |
546 | spos += sinc; \ | |
547 | } \ | |
548 | \ | |
549 | out: \ | |
550 | s_chan[ch].sinc = sinc; \ | |
551 | s_chan[ch].spos = spos; \ | |
381ea103 | 552 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 553 | interp_end; \ |
554 | \ | |
555 | return ret; \ | |
556 | } | |
557 | ||
558 | #define fmod_recv_check \ | |
559 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
560 | sinc = FModChangeFrequency(ch,ns) | |
561 | ||
562 | make_do_samples(default, fmod_recv_check, , | |
563 | StoreInterpolationVal(ch, fa), | |
8cd23d6d | 564 | ChanBuf[ns] = iGetInterpolationVal(ch, spos), ) |
07a6dd2c | 565 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) |
566 | ||
567 | #define simple_interp_store \ | |
568 | s_chan[ch].SB[28] = 0; \ | |
569 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
570 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
571 | s_chan[ch].SB[31] = fa; \ | |
572 | s_chan[ch].SB[32] = 1 | |
573 | ||
574 | #define simple_interp_get \ | |
575 | if(sinc<0x10000) /* -> upsampling? */ \ | |
576 | InterpolateUp(ch); /* --> interpolate up */ \ | |
577 | else InterpolateDown(ch); /* --> else down */ \ | |
578 | ChanBuf[ns] = s_chan[ch].SB[29] | |
579 | ||
580 | make_do_samples(simple, , , | |
581 | simple_interp_store, simple_interp_get, ) | |
582 | ||
583 | static int do_samples_noise(int ch, int ns, int ns_to) | |
584 | { | |
b1094d0e | 585 | int level, shift, bit; |
586 | ||
07a6dd2c | 587 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
588 | while (s_chan[ch].spos >= 28*0x10000) | |
589 | { | |
590 | skip_block(ch); | |
591 | s_chan[ch].spos -= 28*0x10000; | |
592 | } | |
593 | ||
b1094d0e | 594 | // modified from DrHell/shalma, no fraction |
595 | level = (spuCtrl >> 10) & 0x0f; | |
596 | level = 0x8000 >> level; | |
597 | ||
07a6dd2c | 598 | for (; ns < ns_to; ns++) |
b1094d0e | 599 | { |
600 | dwNoiseCount += 2; | |
601 | if (dwNoiseCount >= level) | |
602 | { | |
603 | dwNoiseCount -= level; | |
604 | shift = (dwNoiseVal >> 10) & 0x1f; | |
605 | bit = (0x69696969 >> shift) & 1; | |
606 | if (dwNoiseVal & 0x8000) | |
607 | bit ^= 1; | |
608 | dwNoiseVal = (dwNoiseVal << 1) | bit; | |
609 | } | |
610 | ||
611 | ChanBuf[ns] = (signed short)dwNoiseVal; | |
612 | } | |
07a6dd2c | 613 | |
614 | return -1; | |
615 | } | |
616 | ||
3a721c1f | 617 | #ifdef __arm__ |
618 | // asm code; lv and rv must be 0-3fff | |
b17618c0 | 619 | extern void mix_chan(int start, int count, int lv, int rv); |
620 | extern void mix_chan_rvb(int start, int count, int lv, int rv); | |
621 | #else | |
622 | static void mix_chan(int start, int count, int lv, int rv) | |
623 | { | |
624 | int *dst = SSumLR + start * 2; | |
625 | const int *src = ChanBuf + start; | |
626 | int l, r; | |
627 | ||
628 | while (count--) | |
629 | { | |
630 | int sval = *src++; | |
631 | ||
632 | l = (sval * lv) >> 14; | |
633 | r = (sval * rv) >> 14; | |
634 | *dst++ += l; | |
635 | *dst++ += r; | |
636 | } | |
637 | } | |
638 | ||
639 | static void mix_chan_rvb(int start, int count, int lv, int rv) | |
640 | { | |
641 | int *dst = SSumLR + start * 2; | |
642 | int *drvb = sRVBStart + start * 2; | |
643 | const int *src = ChanBuf + start; | |
644 | int l, r; | |
645 | ||
646 | while (count--) | |
647 | { | |
648 | int sval = *src++; | |
649 | ||
650 | l = (sval * lv) >> 14; | |
651 | r = (sval * rv) >> 14; | |
652 | *dst++ += l; | |
653 | *dst++ += r; | |
654 | *drvb++ += l; | |
655 | *drvb++ += r; | |
656 | } | |
657 | } | |
658 | #endif | |
659 | ||
ef79bbde P |
660 | //////////////////////////////////////////////////////////////////////// |
661 | // MAIN SPU FUNCTION | |
6d75977b | 662 | // here is the main job handler... |
ef79bbde P |
663 | // basically the whole sound processing is done in this fat func! |
664 | //////////////////////////////////////////////////////////////////////// | |
665 | ||
fb552464 | 666 | static int do_samples(int forced_updates) |
ef79bbde | 667 | { |
9e7a7352 | 668 | int volmult = iVolume; |
07a6dd2c | 669 | int ns,ns_from,ns_to; |
174c454a | 670 | int ch,d,silentch; |
ef79bbde P |
671 | int bIRQReturn=0; |
672 | ||
6d75977b | 673 | while(1) |
ef79bbde P |
674 | { |
675 | // ok, at the beginning we are looking if there is | |
676 | // enuff free place in the dsound/oss buffer to | |
677 | // fill in new data, or if there is a new channel to start. | |
678 | // if not, we wait (thread) or return (timer/spuasync) | |
679 | // until enuff free place is available/a new channel gets | |
680 | // started | |
681 | ||
fb552464 | 682 | if(!forced_updates && SoundGetBytesBuffered()) // still enuff data in sound buffer? |
ef79bbde | 683 | { |
6d75977b | 684 | return 0; |
ef79bbde P |
685 | } |
686 | ||
fb552464 | 687 | cycles_since_update = 0; |
688 | if(forced_updates > 0) | |
689 | forced_updates--; | |
690 | ||
ef79bbde P |
691 | //--------------------------------------------------// continue from irq handling in timer mode? |
692 | ||
8680e822 | 693 | ns_from=0; |
694 | ns_to=NSSIZE; | |
695 | ch=0; | |
ef79bbde P |
696 | if(lastch>=0) // will be -1 if no continue is pending |
697 | { | |
e11ae5c5 | 698 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
699 | } |
700 | ||
174c454a | 701 | silentch=~(dwChannelOn|dwNewChannel); |
702 | ||
ef79bbde P |
703 | //--------------------------------------------------// |
704 | //- main channel loop -// | |
705 | //--------------------------------------------------// | |
706 | { | |
8680e822 | 707 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 708 | { |
6d866bb7 | 709 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
710 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde | 711 | |
07a6dd2c | 712 | if(s_chan[ch].bNoise) |
713 | d=do_samples_noise(ch, ns_from, ns_to); | |
714 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
715 | d=do_samples_noint(ch, ns_from, ns_to); | |
716 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
717 | d=do_samples_simple(ch, ns_from, ns_to); | |
718 | else | |
719 | d=do_samples_default(ch, ns_from, ns_to); | |
720 | if(d>=0) | |
ef79bbde | 721 | { |
07a6dd2c | 722 | bIRQReturn=1; |
723 | lastch=ch; | |
724 | lastns=ns_to=d; | |
587fa7de | 725 | if(d==0) |
726 | break; | |
1ab7621a | 727 | } |
ef79bbde | 728 | |
1ab7621a | 729 | MixADSR(ch, ns_from, ns_to); |
730 | ||
731 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
732 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
b17618c0 | 733 | else if(s_chan[ch].bRVBActive) |
734 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); | |
1775933a | 735 | else |
b17618c0 | 736 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
ef79bbde P |
737 | } |
738 | } | |
739 | ||
78c60846 | 740 | // advance "stopped" channels that can cause irqs |
741 | // (all chans are always playing on the real thing..) | |
f2aec10a | 742 | if(spuCtrl&CTRL_IRQ) |
78c60846 | 743 | for(ch=0;ch<MAXCHAN;ch++) |
744 | { | |
174c454a | 745 | if(!(silentch&(1<<ch))) continue; // already handled |
746 | if(dwChannelDead&(1<<ch)) continue; | |
78c60846 | 747 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
748 | continue; | |
749 | ||
f2aec10a | 750 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns_from); |
78c60846 | 751 | while(s_chan[ch].spos >= 28 * 0x10000) |
752 | { | |
7e44d49d | 753 | unsigned char *start = s_chan[ch].pCurr; |
78c60846 | 754 | |
a3ed1915 | 755 | // no need for bIRQReturn since the channel is silent |
fb552464 | 756 | skip_block(ch); |
07a6dd2c | 757 | if(start == s_chan[ch].pCurr) |
78c60846 | 758 | { |
759 | // looping on self | |
7e44d49d | 760 | dwChannelDead |= 1<<ch; |
761 | s_chan[ch].spos = 0; | |
78c60846 | 762 | break; |
763 | } | |
764 | ||
78c60846 | 765 | s_chan[ch].spos -= 28 * 0x10000; |
766 | } | |
767 | } | |
768 | ||
f2aec10a | 769 | if(bIRQReturn) // special return for "spu irq - wait for cpu action" |
6d75977b | 770 | return 0; |
8680e822 | 771 | |
772 | ||
ef79bbde P |
773 | //---------------------------------------------------// |
774 | //- here we have another 1 ms of sound data | |
775 | //---------------------------------------------------// | |
776 | // mix XA infos (if any) | |
777 | ||
778 | MixXA(); | |
779 | ||
780 | /////////////////////////////////////////////////////// | |
781 | // mix all channels (including reverb) into one buffer | |
782 | ||
1775933a | 783 | if(iUseReverb) |
784 | REVERBDo(); | |
785 | ||
786 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) | |
787 | { | |
788 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); | |
789 | pS += NSSIZE*2; | |
790 | } | |
791 | else | |
97ea4077 | 792 | for (ns = 0; ns < NSSIZE*2; ) |
ef79bbde | 793 | { |
9e7a7352 | 794 | d = SSumLR[ns]; SSumLR[ns] = 0; |
795 | d = d * volmult >> 10; | |
1775933a | 796 | ssat32_to_16(d); |
ef79bbde | 797 | *pS++ = d; |
97ea4077 | 798 | ns++; |
ef79bbde | 799 | |
9e7a7352 | 800 | d = SSumLR[ns]; SSumLR[ns] = 0; |
801 | d = d * volmult >> 10; | |
1775933a | 802 | ssat32_to_16(d); |
ef79bbde | 803 | *pS++ = d; |
97ea4077 | 804 | ns++; |
ef79bbde P |
805 | } |
806 | ||
807 | ////////////////////////////////////////////////////// | |
808 | // special irq handling in the decode buffers (0x0000-0x1000) | |
809 | // we know: | |
810 | // the decode buffers are located in spu memory in the following way: | |
811 | // 0x0000-0x03ff CD audio left | |
812 | // 0x0400-0x07ff CD audio right | |
813 | // 0x0800-0x0bff Voice 1 | |
814 | // 0x0c00-0x0fff Voice 3 | |
815 | // and decoded data is 16 bit for one sample | |
816 | // we assume: | |
817 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
818 | // play positions will move on and wrap after 0x400 bytes. | |
819 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
820 | // increase this pointer on each sample by 2 bytes. If this pointer | |
821 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
822 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here | |
823 | // in some of Peops timer modes. So: we ignore this option here (for now). | |
824 | ||
e4f075af | 825 | if(pMixIrq && (spuCtrl&CTRL_IRQ) && pSpuIrq && pSpuIrq<spuMemC+0x1000) |
ef79bbde P |
826 | { |
827 | for(ns=0;ns<NSSIZE;ns++) | |
828 | { | |
ef79bbde P |
829 | for(ch=0;ch<4;ch++) |
830 | { | |
831 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) | |
3fc2a4c2 | 832 | do_irq(); |
ef79bbde | 833 | } |
ef79bbde P |
834 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; |
835 | } | |
836 | } | |
837 | ||
838 | InitREVERB(); | |
839 | ||
840 | // feed the sound | |
841 | // wanna have around 1/60 sec (16.666 ms) updates | |
381ea103 | 842 | if (iCycle++ > 16/FRAG_MSECS) |
ef79bbde P |
843 | { |
844 | SoundFeedStreamData((unsigned char *)pSpuBuffer, | |
845 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); | |
846 | pS = (short *)pSpuBuffer; | |
847 | iCycle = 0; | |
848 | } | |
849 | } | |
850 | ||
ef79bbde P |
851 | return 0; |
852 | } | |
853 | ||
854 | // SPU ASYNC... even newer epsxe func | |
855 | // 1 time every 'cycle' cycles... harhar | |
856 | ||
554a2220 | 857 | // rearmed: called every 2ms now |
858 | ||
ef79bbde P |
859 | void CALLBACK SPUasync(unsigned long cycle) |
860 | { | |
e4f075af | 861 | static int old_ctrl; |
fb552464 | 862 | int forced_updates = 0; |
863 | int do_update = 0; | |
864 | ||
f8edb5bc | 865 | if(!bSpuInit) return; // -> no init, no call |
866 | ||
fb552464 | 867 | cycles_since_update += cycle; |
868 | ||
869 | if(dwNewChannel || had_dma) | |
ef79bbde | 870 | { |
fb552464 | 871 | forced_updates = 1; |
872 | do_update = 1; | |
873 | had_dma = 0; | |
ef79bbde P |
874 | } |
875 | ||
e4f075af | 876 | if((spuCtrl&CTRL_IRQ) && (((spuCtrl^old_ctrl)&CTRL_IRQ) // irq was enabled |
877 | || cycles_since_update > PSXCLK/60 / 4)) { | |
fb552464 | 878 | do_update = 1; |
e4f075af | 879 | forced_updates = cycles_since_update / (PSXCLK/44100) / NSSIZE; |
880 | } | |
881 | // with no irqs, once per frame should be fine (using a bit more because of BIAS) | |
882 | else if(cycles_since_update > PSXCLK/60 * 5/4) | |
883 | do_update = 1; | |
884 | ||
885 | old_ctrl = spuCtrl; | |
fb552464 | 886 | |
887 | if(do_update) | |
888 | do_samples(forced_updates); | |
ef79bbde P |
889 | } |
890 | ||
891 | // SPU UPDATE... new epsxe func | |
892 | // 1 time every 32 hsync lines | |
893 | // (312/32)x50 in pal | |
894 | // (262/32)x60 in ntsc | |
895 | ||
896 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
897 | // leave that func in the linux port, until epsxe linux is using | |
898 | // the async function as well | |
899 | ||
900 | void CALLBACK SPUupdate(void) | |
901 | { | |
902 | SPUasync(0); | |
903 | } | |
904 | ||
905 | // XA AUDIO | |
906 | ||
907 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
908 | { | |
909 | if(!xap) return; | |
910 | if(!xap->freq) return; // no xa freq ? bye | |
911 | ||
912 | FeedXA(xap); // call main XA feeder | |
913 | } | |
914 | ||
915 | // CDDA AUDIO | |
983a7cfd | 916 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 917 | { |
983a7cfd | 918 | if (!pcm) return -1; |
919 | if (nbytes<=0) return -1; | |
ef79bbde | 920 | |
983a7cfd | 921 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
922 | } |
923 | ||
6d75977b | 924 | // to be called after state load |
925 | void ClearWorkingState(void) | |
ef79bbde | 926 | { |
97ea4077 | 927 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
6d75977b | 928 | memset(iFMod,0,sizeof(iFMod)); |
ef79bbde | 929 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
930 | } |
931 | ||
932 | // SETUPSTREAMS: init most of the spu buffers | |
933 | void SetupStreams(void) | |
934 | { | |
935 | int i; | |
936 | ||
937 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer | |
938 | ||
939 | if(iUseReverb==1) i=88200*2; | |
940 | else i=NSSIZE*2; | |
941 | ||
942 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer | |
943 | memset(sRVBStart,0,i*4); | |
944 | sRVBEnd = sRVBStart + i; | |
945 | sRVBPlay = sRVBStart; | |
946 | ||
947 | XAStart = // alloc xa buffer | |
948 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); | |
949 | XAEnd = XAStart + 44100; | |
950 | XAPlay = XAStart; | |
951 | XAFeed = XAStart; | |
952 | ||
953 | CDDAStart = // alloc cdda buffer | |
983a7cfd | 954 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
ef79bbde P |
955 | CDDAEnd = CDDAStart + 16384; |
956 | CDDAPlay = CDDAStart; | |
b8e744ce | 957 | CDDAFeed = CDDAStart; |
ef79bbde P |
958 | |
959 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
960 | { | |
961 | // we don't use mutex sync... not needed, would only | |
962 | // slow us down: | |
963 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); | |
6d866bb7 | 964 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
ef79bbde | 965 | s_chan[i].pLoop=spuMemC; |
ef79bbde P |
966 | s_chan[i].pCurr=spuMemC; |
967 | } | |
968 | ||
6d75977b | 969 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address |
970 | ||
971 | ClearWorkingState(); | |
972 | ||
973 | bSpuInit=1; // flag: we are inited | |
ef79bbde P |
974 | } |
975 | ||
976 | // REMOVESTREAMS: free most buffer | |
977 | void RemoveStreams(void) | |
978 | { | |
979 | free(pSpuBuffer); // free mixing buffer | |
980 | pSpuBuffer = NULL; | |
981 | free(sRVBStart); // free reverb buffer | |
982 | sRVBStart = NULL; | |
983 | free(XAStart); // free XA buffer | |
984 | XAStart = NULL; | |
985 | free(CDDAStart); // free CDDA buffer | |
986 | CDDAStart = NULL; | |
987 | } | |
988 | ||
989 | // INIT/EXIT STUFF | |
990 | ||
991 | // SPUINIT: this func will be called first by the main emu | |
992 | long CALLBACK SPUinit(void) | |
993 | { | |
994 | spuMemC = (unsigned char *)spuMem; // just small setup | |
995 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
996 | InitADSR(); | |
997 | ||
ef79bbde P |
998 | spuIrq = 0; |
999 | spuAddr = 0xffffffff; | |
ef79bbde P |
1000 | spuMemC = (unsigned char *)spuMem; |
1001 | pMixIrq = 0; | |
1002 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1003 | pSpuIrq = 0; | |
ef79bbde P |
1004 | lastch = -1; |
1005 | ||
ef79bbde P |
1006 | SetupStreams(); // prepare streaming |
1007 | ||
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | // SPUOPEN: called by main emu after init | |
1012 | long CALLBACK SPUopen(void) | |
1013 | { | |
1014 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1015 | ||
1016 | SetupSound(); // setup sound (before init!) | |
ef79bbde P |
1017 | |
1018 | bSPUIsOpen = 1; | |
1019 | ||
1020 | return PSE_SPU_ERR_SUCCESS; | |
1021 | } | |
1022 | ||
1023 | // SPUCLOSE: called before shutdown | |
1024 | long CALLBACK SPUclose(void) | |
1025 | { | |
1026 | if (!bSPUIsOpen) return 0; // some security | |
1027 | ||
1028 | bSPUIsOpen = 0; // no more open | |
1029 | ||
ef79bbde P |
1030 | RemoveSound(); // no more sound handling |
1031 | ||
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | // SPUSHUTDOWN: called by main emu on final exit | |
1036 | long CALLBACK SPUshutdown(void) | |
1037 | { | |
1038 | SPUclose(); | |
1039 | RemoveStreams(); // no more streaming | |
6d75977b | 1040 | bSpuInit=0; |
ef79bbde P |
1041 | |
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | // SPUTEST: we don't test, we are always fine ;) | |
1046 | long CALLBACK SPUtest(void) | |
1047 | { | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | // SPUCONFIGURE: call config dialog | |
1052 | long CALLBACK SPUconfigure(void) | |
1053 | { | |
1054 | #ifdef _MACOSX | |
1055 | DoConfiguration(); | |
1056 | #else | |
ee849648 | 1057 | // StartCfgTool("CFG"); |
ef79bbde P |
1058 | #endif |
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | // SPUABOUT: show about window | |
1063 | void CALLBACK SPUabout(void) | |
1064 | { | |
1065 | #ifdef _MACOSX | |
1066 | DoAbout(); | |
1067 | #else | |
ee849648 | 1068 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1069 | #endif |
1070 | } | |
1071 | ||
1072 | // SETUP CALLBACKS | |
1073 | // this functions will be called once, | |
1074 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1075 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1076 | { | |
1077 | irqCallback = callback; | |
1078 | } | |
1079 | ||
1080 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1081 | { | |
1082 | cddavCallback = CDDAVcallback; | |
1083 | } | |
1084 | ||
1085 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1086 | /* |
ef79bbde P |
1087 | char * CALLBACK PSEgetLibName(void) |
1088 | { | |
1089 | return _(libraryName); | |
1090 | } | |
1091 | ||
1092 | unsigned long CALLBACK PSEgetLibType(void) | |
1093 | { | |
1094 | return PSE_LT_SPU; | |
1095 | } | |
1096 | ||
1097 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1098 | { | |
1099 | return (1 << 16) | (6 << 8); | |
1100 | } | |
1101 | ||
1102 | char * SPUgetLibInfos(void) | |
1103 | { | |
1104 | return _(libraryInfo); | |
1105 | } | |
e906c010 | 1106 | */ |
6d866bb7 | 1107 | |
90f1d26c | 1108 | // debug |
174c454a | 1109 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1110 | { |
174c454a | 1111 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1112 | |
1113 | for(;ch<MAXCHAN;ch++) | |
1114 | { | |
1115 | if (!(dwChannelOn & (1<<ch))) | |
1116 | continue; | |
1117 | if (s_chan[ch].bFMod == 2) | |
1118 | fmod_chans |= 1 << ch; | |
1119 | if (s_chan[ch].bNoise) | |
1120 | noise_chans |= 1 << ch; | |
174c454a | 1121 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
1122 | irq_chans |= 1 << ch; | |
90f1d26c | 1123 | } |
1124 | ||
1125 | *chans_out = dwChannelOn; | |
174c454a | 1126 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
90f1d26c | 1127 | *fmod_chans_out = fmod_chans; |
1128 | *noise_chans_out = noise_chans; | |
1129 | } | |
1130 | ||
6d866bb7 | 1131 | // vim:shiftwidth=1:expandtab |