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unbreak some old savestates
[pcsx_rearmed.git] / plugins / dfsound / freeze.c
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1/***************************************************************************\r
2 freeze.c - description\r
3 -------------------\r
4 begin : Wed May 15 2002\r
5 copyright : (C) 2002 by Pete Bernert\r
6 email : BlackDove@addcom.de\r
7 ***************************************************************************/\r
8/***************************************************************************\r
9 * *\r
10 * This program is free software; you can redistribute it and/or modify *\r
11 * it under the terms of the GNU General Public License as published by *\r
12 * the Free Software Foundation; either version 2 of the License, or *\r
13 * (at your option) any later version. See also the license.txt file for *\r
14 * additional informations. *\r
15 * *\r
16 ***************************************************************************/\r
17\r
18#include <assert.h>\r
19#include "stdafx.h"\r
20\r
21#define _IN_FREEZE\r
22\r
23#include "externals.h"\r
24#include "registers.h"\r
25#include "spu.h"\r
26\r
27////////////////////////////////////////////////////////////////////////\r
28// freeze structs\r
29////////////////////////////////////////////////////////////////////////\r
30\r
31typedef struct\r
32{\r
33 int AttackModeExp;\r
34 int AttackTime;\r
35 int DecayTime;\r
36 int SustainLevel;\r
37 int SustainModeExp;\r
38 int SustainModeDec;\r
39 int SustainTime;\r
40 int ReleaseModeExp;\r
41 unsigned int ReleaseVal;\r
42 int ReleaseTime;\r
43 int ReleaseStartTime; \r
44 int ReleaseVol; \r
45 int lTime;\r
46 int lVolume;\r
47} ADSRInfo;\r
48\r
49typedef struct\r
50{\r
51 int State;\r
52 int AttackModeExp;\r
53 int AttackRate;\r
54 int DecayRate;\r
55 int SustainLevel;\r
56 int SustainModeExp;\r
57 int SustainIncrease;\r
58 int SustainRate;\r
59 int ReleaseModeExp;\r
60 int ReleaseRate;\r
61 int EnvelopeVol;\r
62 int lVolume;\r
63 int lDummy1;\r
64 int lDummy2;\r
65} ADSRInfoEx_orig;\r
66\r
67typedef struct\r
68{\r
69 // no mutexes used anymore... don't need them to sync access\r
70 //HANDLE hMutex;\r
71\r
72 int bNew; // start flag\r
73\r
74 int iSBPos; // mixing stuff\r
75 int spos;\r
76 int sinc;\r
77 int SB[32+32]; // Pete added another 32 dwords in 1.6 ... prevents overflow issues with gaussian/cubic interpolation (thanx xodnizel!), and can be used for even better interpolations, eh? :)\r
78 int sval;\r
79\r
80 int iStart; // start ptr into sound mem\r
81 int iCurr; // current pos in sound mem\r
82 int iLoop; // loop ptr in sound mem\r
83\r
84 int bOn; // is channel active (sample playing?)\r
85 int bStop; // is channel stopped (sample _can_ still be playing, ADSR Release phase)\r
86 int bReverb; // can we do reverb on this channel? must have ctrl register bit, to get active\r
87 int iActFreq; // current psx pitch\r
88 int iUsedFreq; // current pc pitch\r
89 int iLeftVolume; // left volume\r
90 int iLeftVolRaw; // left psx volume value\r
91 int bIgnoreLoop; // ignore loop bit, if an external loop address is used\r
92 int iMute; // mute mode\r
93 int iRightVolume; // right volume\r
94 int iRightVolRaw; // right psx volume value\r
95 int iRawPitch; // raw pitch (0...3fff)\r
96 int iIrqDone; // debug irq done flag\r
97 int s_1; // last decoding infos\r
98 int s_2;\r
99 int bRVBActive; // reverb active flag\r
100 int iRVBOffset; // reverb offset\r
101 int iRVBRepeat; // reverb repeat\r
102 int bNoise; // noise active flag\r
103 int bFMod; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
104 int iRVBNum; // another reverb helper\r
105 int iOldNoise; // old noise val for this channel \r
106 ADSRInfo ADSR; // active ADSR settings\r
107 ADSRInfoEx_orig ADSRX; // next ADSR settings (will be moved to active on sample start)\r
108} SPUCHAN_orig;\r
109\r
110typedef struct\r
111{\r
112 char szSPUName[8];\r
113 uint32_t ulFreezeVersion;\r
114 uint32_t ulFreezeSize;\r
115 unsigned char cSPUPort[0x200];\r
116 unsigned char cSPURam[0x80000];\r
117 xa_decode_t xaS; \r
118} SPUFreeze_t;\r
119\r
120typedef struct\r
121{\r
122 unsigned short spuIrq;\r
123 unsigned short decode_pos;\r
124 uint32_t pSpuIrq;\r
125 uint32_t spuAddr;\r
126 uint32_t rvb_cur;\r
127 uint16_t xa_left;\r
128 uint16_t cdda_left;\r
129 uint32_t cycles_played;\r
130\r
131 SPUCHAN_orig s_chan[MAXCHAN]; \r
132\r
133} SPUOSSFreeze_t;\r
134\r
135////////////////////////////////////////////////////////////////////////\r
136\r
137static SPUOSSFreeze_t * LoadStateV5(SPUFreeze_t * pF, uint32_t cycles);\r
138static void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles); // unknown format\r
139\r
140// we want to retain compatibility between versions,\r
141// so use original channel struct\r
142static void save_channel(SPUCHAN_orig *d, const SPUCHAN *s, int ch)\r
143{\r
144 memset(d, 0, sizeof(*d));\r
145 d->bNew = !!(spu.dwNewChannel & (1<<ch));\r
146 d->iSBPos = s->iSBPos;\r
147 d->spos = s->spos;\r
148 d->sinc = s->sinc;\r
149 assert(sizeof(d->SB) >= sizeof(spu.sb[ch]));\r
150 memcpy(d->SB, &spu.sb[ch], sizeof(spu.sb[ch]));\r
151 d->iStart = (regAreaGetCh(ch, 6) & ~1) << 3;\r
152 d->iCurr = 0; // set by the caller\r
153 d->iLoop = 0; // set by the caller\r
154 d->bOn = !!(spu.dwChannelsAudible & (1<<ch));\r
155 d->bStop = s->ADSRX.State == ADSR_RELEASE;\r
156 d->bReverb = s->bReverb;\r
157 d->iActFreq = 1;\r
158 d->iUsedFreq = 2;\r
159 d->iLeftVolume = s->iLeftVolume;\r
160 // this one is nasty but safe, save compat is important\r
161 d->bIgnoreLoop = (s->prevflags ^ 2) << 1;\r
162 d->iRightVolume = s->iRightVolume;\r
163 d->iRawPitch = s->iRawPitch;\r
164 d->s_1 = spu.sb[ch].SB[27]; // yes it's reversed\r
165 d->s_2 = spu.sb[ch].SB[26];\r
166 d->bRVBActive = s->bRVBActive;\r
167 d->bNoise = s->bNoise;\r
168 d->bFMod = s->bFMod;\r
169 d->ADSRX.State = s->ADSRX.State;\r
170 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
171 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
172 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
173 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
174 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
175 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
176 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
177 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
178 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
179 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
180 d->ADSRX.lVolume = d->bOn; // hmh\r
181}\r
182\r
183static void load_channel(SPUCHAN *d, const SPUCHAN_orig *s, int ch)\r
184{\r
185 memset(d, 0, sizeof(*d));\r
186 if (s->bNew) spu.dwNewChannel |= 1<<ch;\r
187 d->iSBPos = s->iSBPos;\r
188 if ((uint32_t)d->iSBPos >= 28) d->iSBPos = 27;\r
189 d->spos = s->spos;\r
190 d->sinc = s->sinc;\r
191 d->sinc_inv = 0;\r
192 memcpy(&spu.sb[ch], s->SB, sizeof(spu.sb[ch]));\r
193 d->pCurr = (void *)((uintptr_t)s->iCurr & 0x7fff0);\r
194 d->pLoop = (void *)((uintptr_t)s->iLoop & 0x7fff0);\r
195 d->bReverb = s->bReverb;\r
196 d->iLeftVolume = s->iLeftVolume;\r
197 d->iRightVolume = s->iRightVolume;\r
198 d->iRawPitch = s->iRawPitch;\r
199 d->bRVBActive = s->bRVBActive;\r
200 d->bNoise = s->bNoise;\r
201 d->bFMod = s->bFMod;\r
202 d->prevflags = (s->bIgnoreLoop >> 1) ^ 2;\r
203 d->ADSRX.State = s->ADSRX.State;\r
204 if (s->bStop) d->ADSRX.State = ADSR_RELEASE;\r
205 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
206 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
207 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
208 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
209 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
210 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
211 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
212 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
213 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
214 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
215 if (s->bOn) spu.dwChannelsAudible |= 1<<ch;\r
216 else d->ADSRX.EnvelopeVol = 0;\r
217}\r
218\r
219// force load from regArea to variables\r
220static void load_register(unsigned long reg, unsigned int cycles)\r
221{\r
222 unsigned short *r = &spu.regArea[((reg & 0xfff) - 0xc00) >> 1];\r
223 *r ^= 1;\r
224 SPUwriteRegister(reg, *r ^ 1, cycles);\r
225}\r
226\r
227////////////////////////////////////////////////////////////////////////\r
228// SPUFREEZE: called by main emu on savestate load/save\r
229////////////////////////////////////////////////////////////////////////\r
230\r
231long CALLBACK SPUfreeze(uint32_t ulFreezeMode, SPUFreeze_t * pF,\r
232 uint32_t cycles)\r
233{\r
234 SPUOSSFreeze_t * pFO = NULL;\r
235 int i;\r
236\r
237 if(!pF) return 0; // first check\r
238\r
239 if(ulFreezeMode) // info or save?\r
240 {//--------------------------------------------------//\r
241 int xa_left = 0, cdda_left = 0;\r
242 do_samples(cycles, 1);\r
243\r
244 if(ulFreezeMode==1) \r
245 memset(pF,0,sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t));\r
246\r
247 strcpy(pF->szSPUName,"PBOSS");\r
248 pF->ulFreezeVersion=5;\r
249 pF->ulFreezeSize=sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t);\r
250\r
251 if(ulFreezeMode==2) return 1; // info mode? ok, bye\r
252 // save mode:\r
253 memcpy(pF->cSPURam,spu.spuMem,0x80000); // copy common infos\r
254 memcpy(pF->cSPUPort,spu.regArea,0x200);\r
255\r
256 if(spu.xapGlobal && spu.XAPlay!=spu.XAFeed) // some xa\r
257 {\r
258 xa_left = spu.XAFeed - spu.XAPlay;\r
259 if (xa_left < 0)\r
260 xa_left = spu.XAEnd - spu.XAPlay + spu.XAFeed - spu.XAStart;\r
261 pF->xaS = *spu.xapGlobal;\r
262 }\r
263 else if (spu.CDDAPlay != spu.CDDAFeed)\r
264 {\r
265 // abuse the xa struct to store leftover cdda samples\r
266 unsigned int *p = spu.CDDAPlay;\r
267 cdda_left = spu.CDDAFeed - spu.CDDAPlay;\r
268 if (cdda_left < 0)\r
269 cdda_left = spu.CDDAEnd - spu.CDDAPlay + spu.CDDAFeed - spu.CDDAStart;\r
270 if (cdda_left > sizeof(pF->xaS.pcm) / 4)\r
271 cdda_left = sizeof(pF->xaS.pcm) / 4;\r
272 if (p + cdda_left <= spu.CDDAEnd)\r
273 memcpy(pF->xaS.pcm, p, cdda_left * 4);\r
274 else {\r
275 memcpy(pF->xaS.pcm, p, (spu.CDDAEnd - p) * 4);\r
276 memcpy((char *)pF->xaS.pcm + (spu.CDDAEnd - p) * 4, spu.CDDAStart,\r
277 (cdda_left - (spu.CDDAEnd - p)) * 4);\r
278 }\r
279 pF->xaS.nsamples = 0;\r
280 }\r
281 else\r
282 memset(&pF->xaS,0,sizeof(xa_decode_t)); // or clean xa\r
283\r
284 pFO=(SPUOSSFreeze_t *)(pF+1); // store special stuff\r
285\r
286 pFO->spuIrq = spu.regArea[(H_SPUirqAddr - 0x0c00) / 2];\r
287 if(spu.pSpuIrq) pFO->pSpuIrq = spu.pSpuIrq - spu.spuMemC;\r
288\r
289 pFO->spuAddr=spu.spuAddr;\r
290 if(pFO->spuAddr==0) pFO->spuAddr=0xbaadf00d;\r
291 pFO->decode_pos = spu.decode_pos;\r
292 pFO->rvb_cur = spu.rvb->CurrAddr;\r
293 pFO->xa_left = xa_left;\r
294 pFO->cdda_left = cdda_left;\r
295 pFO->cycles_played = spu.cycles_played;\r
296\r
297 for(i=0;i<MAXCHAN;i++)\r
298 {\r
299 save_channel(&pFO->s_chan[i],&spu.s_chan[i],i);\r
300 if(spu.s_chan[i].pCurr)\r
301 pFO->s_chan[i].iCurr=spu.s_chan[i].pCurr-spu.spuMemC;\r
302 if(spu.s_chan[i].pLoop)\r
303 pFO->s_chan[i].iLoop=spu.s_chan[i].pLoop-spu.spuMemC;\r
304 }\r
305\r
306 return 1;\r
307 //--------------------------------------------------//\r
308 }\r
309 \r
310 if(ulFreezeMode!=0) return 0; // bad mode? bye\r
311\r
312 memcpy(spu.spuMem,pF->cSPURam,0x80000); // get ram\r
313 memcpy(spu.regArea,pF->cSPUPort,0x200);\r
314 spu.bMemDirty = 1;\r
315\r
316 if (!strcmp(pF->szSPUName,"PBOSS") && pF->ulFreezeVersion==5)\r
317 pFO = LoadStateV5(pF, cycles);\r
318 else LoadStateUnknown(pF, cycles);\r
319\r
320 spu.XAPlay = spu.XAFeed = spu.XAStart;\r
321 spu.CDDAPlay = spu.CDDAFeed = spu.CDDAStart;\r
322 if (pFO && pFO->xa_left && pF->xaS.nsamples) { // start xa again\r
323 FeedXA(&pF->xaS);\r
324 spu.XAPlay = spu.XAFeed - pFO->xa_left;\r
325 if (spu.XAPlay < spu.XAStart)\r
326 spu.XAPlay = spu.XAStart;\r
327 }\r
328 else if (pFO && pFO->cdda_left) { // start cdda again\r
329 FeedCDDA((void *)pF->xaS.pcm, pFO->cdda_left * 4);\r
330 }\r
331\r
332 // repair some globals\r
333 for(i=0;i<=62;i+=2)\r
334 load_register(H_Reverb+i, cycles);\r
335 load_register(H_SPUReverbAddr, cycles);\r
336 load_register(H_SPUrvolL, cycles);\r
337 load_register(H_SPUrvolR, cycles);\r
338\r
339 load_register(H_SPUctrl, cycles);\r
340 load_register(H_SPUstat, cycles);\r
341 load_register(H_CDLeft, cycles);\r
342 load_register(H_CDRight, cycles);\r
343\r
344 if (spu.rvb->CurrAddr < spu.rvb->StartAddr)\r
345 spu.rvb->CurrAddr = spu.rvb->StartAddr;\r
346 // fix to prevent new interpolations from crashing\r
347 spu.interpolation = -1;\r
348\r
349 ClearWorkingState();\r
350\r
351 if (spu.spuCtrl & CTRL_IRQ)\r
352 schedule_next_irq();\r
353\r
354 return 1;\r
355}\r
356\r
357////////////////////////////////////////////////////////////////////////\r
358\r
359static SPUOSSFreeze_t * LoadStateV5(SPUFreeze_t * pF, uint32_t cycles)\r
360{\r
361 int i;SPUOSSFreeze_t * pFO;\r
362\r
363 pFO=(SPUOSSFreeze_t *)(pF+1);\r
364\r
365 spu.pSpuIrq = spu.spuMemC + ((spu.regArea[(H_SPUirqAddr - 0x0c00) / 2] << 3) & ~0xf);\r
366\r
367 if(pFO->spuAddr)\r
368 {\r
369 if (pFO->spuAddr == 0xbaadf00d) spu.spuAddr = 0;\r
370 else spu.spuAddr = pFO->spuAddr & 0x7fffe;\r
371 }\r
372 spu.decode_pos = pFO->decode_pos & 0x1ff;\r
373 spu.rvb->CurrAddr = pFO->rvb_cur;\r
374 spu.cycles_played = pFO->cycles_played ? pFO->cycles_played : cycles;\r
375\r
376 spu.dwNewChannel=0;\r
377 spu.dwChannelsAudible=0;\r
378 spu.dwChannelDead=0;\r
379 for(i=0;i<MAXCHAN;i++)\r
380 {\r
381 load_channel(&spu.s_chan[i],&pFO->s_chan[i],i);\r
382\r
383 spu.s_chan[i].pCurr+=(uintptr_t)spu.spuMemC;\r
384 spu.s_chan[i].pLoop+=(uintptr_t)spu.spuMemC;\r
385 }\r
386 return pFO;\r
387}\r
388\r
389////////////////////////////////////////////////////////////////////////\r
390\r
391static void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles)\r
392{\r
393 int i;\r
394\r
395 for(i=0;i<MAXCHAN;i++)\r
396 {\r
397 spu.s_chan[i].pLoop=spu.spuMemC;\r
398 }\r
399\r
400 spu.dwNewChannel=0;\r
401 spu.dwChannelsAudible=0;\r
402 spu.dwChannelDead=0;\r
403 spu.pSpuIrq=spu.spuMemC;\r
404 spu.cycles_played = cycles;\r
405\r
406 for(i=0;i<0xc0;i++)\r
407 {\r
408 load_register(0x1f801c00 + i*2, cycles);\r
409 }\r
410}\r
411\r
412////////////////////////////////////////////////////////////////////////\r
413// vim:shiftwidth=1:expandtab\r
ARM optimized PCSX fork