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libretro: Move flip screen counter increment back to end of flip screen callback
[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 "stdafx.h"\r
19\r
20#define _IN_FREEZE\r
21\r
22#include "externals.h"\r
23#include "registers.h"\r
24#include "spu.h"\r
25\r
26////////////////////////////////////////////////////////////////////////\r
27// freeze structs\r
28////////////////////////////////////////////////////////////////////////\r
29\r
30typedef struct\r
31{\r
32 int AttackModeExp;\r
33 int AttackTime;\r
34 int DecayTime;\r
35 int SustainLevel;\r
36 int SustainModeExp;\r
37 int SustainModeDec;\r
38 int SustainTime;\r
39 int ReleaseModeExp;\r
40 unsigned int ReleaseVal;\r
41 int ReleaseTime;\r
42 int ReleaseStartTime; \r
43 int ReleaseVol; \r
44 int lTime;\r
45 int lVolume;\r
46} ADSRInfo;\r
47\r
48typedef struct\r
49{\r
50 int State;\r
51 int AttackModeExp;\r
52 int AttackRate;\r
53 int DecayRate;\r
54 int SustainLevel;\r
55 int SustainModeExp;\r
56 int SustainIncrease;\r
57 int SustainRate;\r
58 int ReleaseModeExp;\r
59 int ReleaseRate;\r
60 int EnvelopeVol;\r
61 int lVolume;\r
62 int lDummy1;\r
63 int lDummy2;\r
64} ADSRInfoEx_orig;\r
65\r
66typedef struct\r
67{\r
68 // no mutexes used anymore... don't need them to sync access\r
69 //HANDLE hMutex;\r
70\r
71 int bNew; // start flag\r
72\r
73 int iSBPos; // mixing stuff\r
74 int spos;\r
75 int sinc;\r
76 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
77 int sval;\r
78\r
79 int iStart; // start ptr into sound mem\r
80 int iCurr; // current pos in sound mem\r
81 int iLoop; // loop ptr in sound mem\r
82\r
83 int bOn; // is channel active (sample playing?)\r
84 int bStop; // is channel stopped (sample _can_ still be playing, ADSR Release phase)\r
85 int bReverb; // can we do reverb on this channel? must have ctrl register bit, to get active\r
86 int iActFreq; // current psx pitch\r
87 int iUsedFreq; // current pc pitch\r
88 int iLeftVolume; // left volume\r
89 int iLeftVolRaw; // left psx volume value\r
90 int bIgnoreLoop; // ignore loop bit, if an external loop address is used\r
91 int iMute; // mute mode\r
92 int iRightVolume; // right volume\r
93 int iRightVolRaw; // right psx volume value\r
94 int iRawPitch; // raw pitch (0...3fff)\r
95 int iIrqDone; // debug irq done flag\r
96 int s_1; // last decoding infos\r
97 int s_2;\r
98 int bRVBActive; // reverb active flag\r
99 int iRVBOffset; // reverb offset\r
100 int iRVBRepeat; // reverb repeat\r
101 int bNoise; // noise active flag\r
102 int bFMod; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
103 int iRVBNum; // another reverb helper\r
104 int iOldNoise; // old noise val for this channel \r
105 ADSRInfo ADSR; // active ADSR settings\r
106 ADSRInfoEx_orig ADSRX; // next ADSR settings (will be moved to active on sample start)\r
107} SPUCHAN_orig;\r
108\r
109typedef struct\r
110{\r
111 char szSPUName[8];\r
112 uint32_t ulFreezeVersion;\r
113 uint32_t ulFreezeSize;\r
114 unsigned char cSPUPort[0x200];\r
115 unsigned char cSPURam[0x80000];\r
116 xa_decode_t xaS; \r
117} SPUFreeze_t;\r
118\r
119typedef struct\r
120{\r
121 unsigned short spuIrq;\r
122 uint32_t pSpuIrq;\r
123 uint32_t spuAddr;\r
124 uint32_t dummy1;\r
125 uint32_t dummy2;\r
126 uint32_t dummy3;\r
127\r
128 SPUCHAN_orig s_chan[MAXCHAN]; \r
129\r
130} SPUOSSFreeze_t;\r
131\r
132////////////////////////////////////////////////////////////////////////\r
133\r
134void LoadStateV5(SPUFreeze_t * pF); // newest version\r
135void LoadStateUnknown(SPUFreeze_t * pF); // unknown format\r
136\r
137extern int lastch;\r
138\r
139// we want to retain compatibility between versions,\r
140// so use original channel struct\r
141static void save_channel(SPUCHAN_orig *d, const SPUCHAN *s, int ch)\r
142{\r
143 memset(d, 0, sizeof(*d));\r
144 d->bNew = !!(dwNewChannel & (1<<ch));\r
145 d->iSBPos = s->iSBPos;\r
146 d->spos = s->spos;\r
147 d->sinc = s->sinc;\r
148 memcpy(d->SB, s->SB, sizeof(d->SB));\r
149 d->iStart = (regAreaGet(ch,6)&~1)<<3;\r
150 d->iCurr = 0; // set by the caller\r
151 d->iLoop = 0; // set by the caller\r
152 d->bOn = !!(dwChannelOn & (1<<ch));\r
153 d->bStop = s->bStop;\r
154 d->bReverb = s->bReverb;\r
155 d->iActFreq = 1;\r
156 d->iUsedFreq = 2;\r
157 d->iLeftVolume = s->iLeftVolume;\r
158 // this one is nasty but safe, save compat is important\r
159 d->bIgnoreLoop = (s->prevflags ^ 2) << 1;\r
160 d->iRightVolume = s->iRightVolume;\r
161 d->iRawPitch = s->iRawPitch;\r
162 d->s_1 = s->SB[27]; // yes it's reversed\r
163 d->s_2 = s->SB[26];\r
164 d->bRVBActive = s->bRVBActive;\r
165 d->bNoise = s->bNoise;\r
166 d->bFMod = s->bFMod;\r
167 d->ADSRX.State = s->ADSRX.State;\r
168 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
169 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
170 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
171 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
172 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
173 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
174 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
175 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
176 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
177 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
178 d->ADSRX.lVolume = d->bOn; // hmh\r
179}\r
180\r
181static void load_channel(SPUCHAN *d, const SPUCHAN_orig *s, int ch)\r
182{\r
183 memset(d, 0, sizeof(*d));\r
184 if (s->bNew) dwNewChannel |= 1<<ch;\r
185 d->iSBPos = s->iSBPos;\r
186 d->spos = s->spos;\r
187 d->sinc = s->sinc;\r
188 memcpy(d->SB, s->SB, sizeof(d->SB));\r
189 d->pCurr = (void *)((long)s->iCurr & 0x7fff0);\r
190 d->pLoop = (void *)((long)s->iLoop & 0x7fff0);\r
191 d->bStop = s->bStop;\r
192 d->bReverb = s->bReverb;\r
193 d->iLeftVolume = s->iLeftVolume;\r
194 d->iRightVolume = s->iRightVolume;\r
195 d->iRawPitch = s->iRawPitch;\r
196 d->bRVBActive = s->bRVBActive;\r
197 d->bNoise = s->bNoise;\r
198 d->bFMod = s->bFMod;\r
199 d->prevflags = (s->bIgnoreLoop >> 1) ^ 2;\r
200 d->ADSRX.State = s->ADSRX.State;\r
201 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
202 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
203 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
204 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
205 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
206 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
207 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
208 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
209 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
210 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
211 if (s->bOn) dwChannelOn |= 1<<ch;\r
212 else d->ADSRX.EnvelopeVol = 0;\r
213}\r
214\r
215////////////////////////////////////////////////////////////////////////\r
216// SPUFREEZE: called by main emu on savestate load/save\r
217////////////////////////////////////////////////////////////////////////\r
218\r
219long CALLBACK SPUfreeze(uint32_t ulFreezeMode,SPUFreeze_t * pF)\r
220{\r
221 int i;SPUOSSFreeze_t * pFO;\r
222\r
223 if(!pF) return 0; // first check\r
224\r
225 if(ulFreezeMode) // info or save?\r
226 {//--------------------------------------------------//\r
227 if(ulFreezeMode==1) \r
228 memset(pF,0,sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t));\r
229\r
230 strcpy(pF->szSPUName,"PBOSS");\r
231 pF->ulFreezeVersion=5;\r
232 pF->ulFreezeSize=sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t);\r
233\r
234 if(ulFreezeMode==2) return 1; // info mode? ok, bye\r
235 // save mode:\r
236 memcpy(pF->cSPURam,spuMem,0x80000); // copy common infos\r
237 memcpy(pF->cSPUPort,regArea,0x200);\r
238\r
239 if(xapGlobal && XAPlay!=XAFeed) // some xa\r
240 {\r
241 pF->xaS=*xapGlobal; \r
242 }\r
243 else \r
244 memset(&pF->xaS,0,sizeof(xa_decode_t)); // or clean xa\r
245\r
246 pFO=(SPUOSSFreeze_t *)(pF+1); // store special stuff\r
247\r
248 pFO->spuIrq=spuIrq;\r
249 if(pSpuIrq) pFO->pSpuIrq = (unsigned long)pSpuIrq-(unsigned long)spuMemC;\r
250\r
251 pFO->spuAddr=spuAddr;\r
252 if(pFO->spuAddr==0) pFO->spuAddr=0xbaadf00d;\r
253\r
254 for(i=0;i<MAXCHAN;i++)\r
255 {\r
256 save_channel(&pFO->s_chan[i],&s_chan[i],i);\r
257 if(s_chan[i].pCurr)\r
258 pFO->s_chan[i].iCurr=s_chan[i].pCurr-spuMemC;\r
259 if(s_chan[i].pLoop)\r
260 pFO->s_chan[i].iLoop=s_chan[i].pLoop-spuMemC;\r
261 }\r
262\r
263 return 1;\r
264 //--------------------------------------------------//\r
265 }\r
266 \r
267 if(ulFreezeMode!=0) return 0; // bad mode? bye\r
268\r
269 memcpy(spuMem,pF->cSPURam,0x80000); // get ram\r
270 memcpy(regArea,pF->cSPUPort,0x200);\r
271\r
272 if(pF->xaS.nsamples<=4032) // start xa again\r
273 SPUplayADPCMchannel(&pF->xaS);\r
274\r
275 xapGlobal=0;\r
276\r
277 if(!strcmp(pF->szSPUName,"PBOSS") && pF->ulFreezeVersion==5)\r
278 LoadStateV5(pF);\r
279 else LoadStateUnknown(pF);\r
280\r
281 lastch = -1;\r
282\r
283 // repair some globals\r
284 for(i=0;i<=62;i+=2)\r
285 SPUwriteRegister(H_Reverb+i,regArea[(H_Reverb+i-0xc00)>>1]);\r
286 SPUwriteRegister(H_SPUReverbAddr,regArea[(H_SPUReverbAddr-0xc00)>>1]);\r
287 SPUwriteRegister(H_SPUrvolL,regArea[(H_SPUrvolL-0xc00)>>1]);\r
288 SPUwriteRegister(H_SPUrvolR,regArea[(H_SPUrvolR-0xc00)>>1]);\r
289\r
290 SPUwriteRegister(H_SPUctrl,(unsigned short)(regArea[(H_SPUctrl-0xc00)>>1]|0x4000));\r
291 SPUwriteRegister(H_SPUstat,regArea[(H_SPUstat-0xc00)>>1]);\r
292 SPUwriteRegister(H_CDLeft,regArea[(H_CDLeft-0xc00)>>1]);\r
293 SPUwriteRegister(H_CDRight,regArea[(H_CDRight-0xc00)>>1]);\r
294\r
295 // fix to prevent new interpolations from crashing\r
296 for(i=0;i<MAXCHAN;i++) s_chan[i].SB[28]=0;\r
297\r
298 ClearWorkingState();\r
299\r
300 return 1;\r
301}\r
302\r
303////////////////////////////////////////////////////////////////////////\r
304\r
305void LoadStateV5(SPUFreeze_t * pF)\r
306{\r
307 int i;SPUOSSFreeze_t * pFO;\r
308\r
309 pFO=(SPUOSSFreeze_t *)(pF+1);\r
310\r
311 spuIrq = pFO->spuIrq;\r
312 if(pFO->pSpuIrq) pSpuIrq = spuMemC+((long)pFO->pSpuIrq&0x7fff0); else pSpuIrq=NULL;\r
313\r
314 if(pFO->spuAddr)\r
315 {\r
316 spuAddr = pFO->spuAddr;\r
317 if (spuAddr == 0xbaadf00d) spuAddr = 0;\r
318 }\r
319\r
320 dwNewChannel=0;\r
321 dwChannelOn=0;\r
322 dwChannelDead=0;\r
323 for(i=0;i<MAXCHAN;i++)\r
324 {\r
325 load_channel(&s_chan[i],&pFO->s_chan[i],i);\r
326\r
327 s_chan[i].pCurr+=(unsigned long)spuMemC;\r
328 s_chan[i].pLoop+=(unsigned long)spuMemC;\r
329 }\r
330}\r
331\r
332////////////////////////////////////////////////////////////////////////\r
333\r
334void LoadStateUnknown(SPUFreeze_t * pF)\r
335{\r
336 int i;\r
337\r
338 for(i=0;i<MAXCHAN;i++)\r
339 {\r
340 s_chan[i].bStop=0;\r
341 s_chan[i].pLoop=spuMemC;\r
342 }\r
343\r
344 dwNewChannel=0;\r
345 dwChannelOn=0;\r
346 dwChannelDead=0;\r
347 pSpuIrq=0;\r
348\r
349 for(i=0;i<0xc0;i++)\r
350 {\r
351 SPUwriteRegister(0x1f801c00+i*2,regArea[i]);\r
352 }\r
353}\r
354\r
355////////////////////////////////////////////////////////////////////////\r
ARM optimized PCSX fork