release r17
[pcsx_rearmed.git] / plugins / dfsound / freeze.c
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
30 typedef 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
48 typedef 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
66 typedef 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
109 typedef 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
119 typedef 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
134 void LoadStateV5(SPUFreeze_t * pF);                    // newest version\r
135 void LoadStateUnknown(SPUFreeze_t * pF);               // unknown format\r
136 \r
137 extern int lastch;\r
138 \r
139 // we want to retain compatibility between versions,\r
140 // so use original channel struct\r
141 static 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
181 static 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
219 long 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
305 void 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
334 void 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