standalone: allow scaler to cut off the letterbox
[pcsx_rearmed.git] / plugins / dfsound / freeze.c
CommitLineData
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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
24dbf983 18#include <assert.h>\r
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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
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26\r
27////////////////////////////////////////////////////////////////////////\r
28// freeze structs\r
29////////////////////////////////////////////////////////////////////////\r
30\r
c668f248 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
6d866bb7 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
c668f248 62 int lVolume;\r
63 int lDummy1;\r
64 int lDummy2;\r
6d866bb7 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
8e1040b6 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
6d866bb7 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
740eb9bc 110typedef struct SPUFreeze\r
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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
0ad5d4a1 123 unsigned short decode_pos;\r
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124 uint32_t pSpuIrq;\r
125 uint32_t spuAddr;\r
403a6290 126 uint32_t rvb_cur;\r
127 uint16_t xa_left;\r
128 uint16_t cdda_left;\r
129 uint32_t cycles_played;\r
ef79bbde 130\r
6d866bb7 131 SPUCHAN_orig s_chan[MAXCHAN]; \r
ef79bbde 132\r
6109649c 133 uint32_t cycles_dma_end;\r
134 uint32_t decode_dirty_ch;\r
135 uint32_t dwNoiseVal;\r
136 uint32_t dwNoiseCount;\r
137 uint32_t XARepeat;\r
138 uint32_t XALastVal;\r
139 uint32_t last_keyon_cycles;\r
140\r
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141} SPUOSSFreeze_t;\r
142\r
143////////////////////////////////////////////////////////////////////////\r
144\r
403a6290 145static SPUOSSFreeze_t * LoadStateV5(SPUFreeze_t * pF, uint32_t cycles);\r
146static void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles); // unknown format\r
ef79bbde 147\r
6d866bb7 148// we want to retain compatibility between versions,\r
149// so use original channel struct\r
381ea103 150static void save_channel(SPUCHAN_orig *d, const SPUCHAN *s, int ch)\r
6d866bb7 151{\r
152 memset(d, 0, sizeof(*d));\r
3154bfab 153 d->bNew = !!(spu.dwNewChannel & (1<<ch));\r
6d866bb7 154 d->iSBPos = s->iSBPos;\r
155 d->spos = s->spos;\r
156 d->sinc = s->sinc;\r
24dbf983 157 assert(sizeof(d->SB) >= sizeof(spu.sb[ch]));\r
158 memcpy(d->SB, &spu.sb[ch], sizeof(spu.sb[ch]));\r
a0d4a8f5 159 d->iStart = (regAreaGetCh(ch, 6) & ~1) << 3;\r
8e1040b6 160 d->iCurr = 0; // set by the caller\r
161 d->iLoop = 0; // set by the caller\r
2daa7c1d 162 d->bOn = !!(spu.dwChannelsAudible & (1<<ch));\r
9ad8abfa 163 d->bStop = s->ADSRX.State == ADSR_RELEASE;\r
6d866bb7 164 d->bReverb = s->bReverb;\r
7e44d49d 165 d->iActFreq = 1;\r
166 d->iUsedFreq = 2;\r
6d866bb7 167 d->iLeftVolume = s->iLeftVolume;\r
e4f075af 168 // this one is nasty but safe, save compat is important\r
169 d->bIgnoreLoop = (s->prevflags ^ 2) << 1;\r
6d866bb7 170 d->iRightVolume = s->iRightVolume;\r
171 d->iRawPitch = s->iRawPitch;\r
24dbf983 172 d->s_1 = spu.sb[ch].SB[27]; // yes it's reversed\r
173 d->s_2 = spu.sb[ch].SB[26];\r
6d866bb7 174 d->bRVBActive = s->bRVBActive;\r
6d866bb7 175 d->bNoise = s->bNoise;\r
176 d->bFMod = s->bFMod;\r
6d866bb7 177 d->ADSRX.State = s->ADSRX.State;\r
178 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
179 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
180 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
181 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
182 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
183 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
184 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
185 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
186 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
187 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
188 d->ADSRX.lVolume = d->bOn; // hmh\r
189}\r
190\r
381ea103 191static void load_channel(SPUCHAN *d, const SPUCHAN_orig *s, int ch)\r
6d866bb7 192{\r
193 memset(d, 0, sizeof(*d));\r
3154bfab 194 if (s->bNew) spu.dwNewChannel |= 1<<ch;\r
6d866bb7 195 d->iSBPos = s->iSBPos;\r
650adfd2 196 if ((uint32_t)d->iSBPos >= 28) d->iSBPos = 27;\r
6d866bb7 197 d->spos = s->spos;\r
198 d->sinc = s->sinc;\r
650adfd2 199 d->sinc_inv = 0;\r
24dbf983 200 memcpy(&spu.sb[ch], s->SB, sizeof(spu.sb[ch]));\r
2d724e28 201 d->pCurr = (void *)((uintptr_t)s->iCurr & 0x7fff0);\r
202 d->pLoop = (void *)((uintptr_t)s->iLoop & 0x7fff0);\r
6d866bb7 203 d->bReverb = s->bReverb;\r
6d866bb7 204 d->iLeftVolume = s->iLeftVolume;\r
6d866bb7 205 d->iRightVolume = s->iRightVolume;\r
206 d->iRawPitch = s->iRawPitch;\r
6d866bb7 207 d->bRVBActive = s->bRVBActive;\r
6d866bb7 208 d->bNoise = s->bNoise;\r
209 d->bFMod = s->bFMod;\r
e4f075af 210 d->prevflags = (s->bIgnoreLoop >> 1) ^ 2;\r
6d866bb7 211 d->ADSRX.State = s->ADSRX.State;\r
9ad8abfa 212 if (s->bStop) d->ADSRX.State = ADSR_RELEASE;\r
6d866bb7 213 d->ADSRX.AttackModeExp = s->ADSRX.AttackModeExp;\r
214 d->ADSRX.AttackRate = s->ADSRX.AttackRate;\r
215 d->ADSRX.DecayRate = s->ADSRX.DecayRate;\r
216 d->ADSRX.SustainLevel = s->ADSRX.SustainLevel;\r
217 d->ADSRX.SustainModeExp = s->ADSRX.SustainModeExp;\r
218 d->ADSRX.SustainIncrease = s->ADSRX.SustainIncrease;\r
219 d->ADSRX.SustainRate = s->ADSRX.SustainRate;\r
220 d->ADSRX.ReleaseModeExp = s->ADSRX.ReleaseModeExp;\r
221 d->ADSRX.ReleaseRate = s->ADSRX.ReleaseRate;\r
222 d->ADSRX.EnvelopeVol = s->ADSRX.EnvelopeVol;\r
2daa7c1d 223 if (s->bOn) spu.dwChannelsAudible |= 1<<ch;\r
6f6fe969 224 else d->ADSRX.EnvelopeVol = 0;\r
6d866bb7 225}\r
226\r
650adfd2 227// force load from regArea to variables\r
228static void load_register(unsigned long reg, unsigned int cycles)\r
229{\r
3154bfab 230 unsigned short *r = &spu.regArea[((reg & 0xfff) - 0xc00) >> 1];\r
650adfd2 231 *r ^= 1;\r
232 SPUwriteRegister(reg, *r ^ 1, cycles);\r
233}\r
234\r
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235////////////////////////////////////////////////////////////////////////\r
236// SPUFREEZE: called by main emu on savestate load/save\r
237////////////////////////////////////////////////////////////////////////\r
238\r
740eb9bc 239long CALLBACK SPUfreeze(unsigned int ulFreezeMode, SPUFreeze_t * pF,\r
240 unsigned int cycles)\r
ef79bbde 241{\r
403a6290 242 SPUOSSFreeze_t * pFO = NULL;\r
243 int i;\r
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244\r
245 if(!pF) return 0; // first check\r
246\r
247 if(ulFreezeMode) // info or save?\r
248 {//--------------------------------------------------//\r
403a6290 249 int xa_left = 0, cdda_left = 0;\r
250 do_samples(cycles, 1);\r
251\r
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252 if(ulFreezeMode==1) \r
253 memset(pF,0,sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t));\r
254\r
255 strcpy(pF->szSPUName,"PBOSS");\r
256 pF->ulFreezeVersion=5;\r
257 pF->ulFreezeSize=sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t);\r
258\r
259 if(ulFreezeMode==2) return 1; // info mode? ok, bye\r
260 // save mode:\r
6109649c 261 regAreaGet(H_SPUctrl) = spu.spuCtrl;\r
262 regAreaGet(H_SPUstat) = spu.spuStat;\r
3154bfab 263 memcpy(pF->cSPURam,spu.spuMem,0x80000); // copy common infos\r
264 memcpy(pF->cSPUPort,spu.regArea,0x200);\r
ef79bbde 265\r
3154bfab 266 if(spu.xapGlobal && spu.XAPlay!=spu.XAFeed) // some xa\r
ef79bbde 267 {\r
403a6290 268 xa_left = spu.XAFeed - spu.XAPlay;\r
269 if (xa_left < 0)\r
270 xa_left = spu.XAEnd - spu.XAPlay + spu.XAFeed - spu.XAStart;\r
271 pF->xaS = *spu.xapGlobal;\r
272 }\r
273 else if (spu.CDDAPlay != spu.CDDAFeed)\r
274 {\r
275 // abuse the xa struct to store leftover cdda samples\r
276 unsigned int *p = spu.CDDAPlay;\r
277 cdda_left = spu.CDDAFeed - spu.CDDAPlay;\r
278 if (cdda_left < 0)\r
279 cdda_left = spu.CDDAEnd - spu.CDDAPlay + spu.CDDAFeed - spu.CDDAStart;\r
280 if (cdda_left > sizeof(pF->xaS.pcm) / 4)\r
281 cdda_left = sizeof(pF->xaS.pcm) / 4;\r
282 if (p + cdda_left <= spu.CDDAEnd)\r
283 memcpy(pF->xaS.pcm, p, cdda_left * 4);\r
284 else {\r
285 memcpy(pF->xaS.pcm, p, (spu.CDDAEnd - p) * 4);\r
286 memcpy((char *)pF->xaS.pcm + (spu.CDDAEnd - p) * 4, spu.CDDAStart,\r
287 (cdda_left - (spu.CDDAEnd - p)) * 4);\r
288 }\r
289 pF->xaS.nsamples = 0;\r
ef79bbde 290 }\r
403a6290 291 else\r
292 memset(&pF->xaS,0,sizeof(xa_decode_t)); // or clean xa\r
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293\r
294 pFO=(SPUOSSFreeze_t *)(pF+1); // store special stuff\r
295\r
3154bfab 296 pFO->spuIrq = spu.regArea[(H_SPUirqAddr - 0x0c00) / 2];\r
2d724e28 297 if(spu.pSpuIrq) pFO->pSpuIrq = spu.pSpuIrq - spu.spuMemC;\r
ef79bbde 298\r
3154bfab 299 pFO->spuAddr=spu.spuAddr;\r
ef79bbde 300 if(pFO->spuAddr==0) pFO->spuAddr=0xbaadf00d;\r
0ad5d4a1 301 pFO->decode_pos = spu.decode_pos;\r
403a6290 302 pFO->rvb_cur = spu.rvb->CurrAddr;\r
303 pFO->xa_left = xa_left;\r
304 pFO->cdda_left = cdda_left;\r
305 pFO->cycles_played = spu.cycles_played;\r
45e884a2 306 pFO->cycles_dma_end = spu.cycles_dma_end;\r
307 pFO->decode_dirty_ch = spu.decode_dirty_ch;\r
308 pFO->dwNoiseVal = spu.dwNoiseVal;\r
309 pFO->dwNoiseCount = spu.dwNoiseCount;\r
310 pFO->XARepeat = spu.XARepeat;\r
311 pFO->XALastVal = spu.XALastVal;\r
312 pFO->last_keyon_cycles = spu.last_keyon_cycles;\r
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313\r
314 for(i=0;i<MAXCHAN;i++)\r
315 {\r
5514a050 316 save_channel(&pFO->s_chan[i],&spu.s_chan[i],i);\r
317 if(spu.s_chan[i].pCurr)\r
318 pFO->s_chan[i].iCurr=spu.s_chan[i].pCurr-spu.spuMemC;\r
319 if(spu.s_chan[i].pLoop)\r
320 pFO->s_chan[i].iLoop=spu.s_chan[i].pLoop-spu.spuMemC;\r
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321 }\r
322\r
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323 return 1;\r
324 //--------------------------------------------------//\r
325 }\r
326 \r
327 if(ulFreezeMode!=0) return 0; // bad mode? bye\r
328\r
3154bfab 329 memcpy(spu.spuMem,pF->cSPURam,0x80000); // get ram\r
330 memcpy(spu.regArea,pF->cSPUPort,0x200);\r
0c1151fe 331 spu.bMemDirty = 1;\r
6109649c 332 spu.spuCtrl = regAreaGet(H_SPUctrl);\r
333 spu.spuStat = regAreaGet(H_SPUstat);\r
ef79bbde 334\r
403a6290 335 if (!strcmp(pF->szSPUName,"PBOSS") && pF->ulFreezeVersion==5)\r
336 pFO = LoadStateV5(pF, cycles);\r
650adfd2 337 else LoadStateUnknown(pF, cycles);\r
ef79bbde 338\r
403a6290 339 spu.XAPlay = spu.XAFeed = spu.XAStart;\r
340 spu.CDDAPlay = spu.CDDAFeed = spu.CDDAStart;\r
341 if (pFO && pFO->xa_left && pF->xaS.nsamples) { // start xa again\r
342 FeedXA(&pF->xaS);\r
343 spu.XAPlay = spu.XAFeed - pFO->xa_left;\r
344 if (spu.XAPlay < spu.XAStart)\r
345 spu.XAPlay = spu.XAStart;\r
346 }\r
347 else if (pFO && pFO->cdda_left) { // start cdda again\r
348 FeedCDDA((void *)pF->xaS.pcm, pFO->cdda_left * 4);\r
349 }\r
350\r
6109649c 351 // not in old savestates\r
352 spu.cycles_dma_end = 0;\r
353 spu.decode_dirty_ch = spu.dwChannelsAudible & 0x0a;\r
354 spu.dwNoiseVal = 0;\r
355 spu.dwNoiseCount = 0;\r
356 spu.XARepeat = 0;\r
357 spu.XALastVal = 0;\r
358 spu.last_keyon_cycles = cycles - 16*786u;\r
359 if (pFO && pF->ulFreezeSize >= sizeof(*pF) + sizeof(*pFO)) {\r
360 spu.cycles_dma_end = pFO->cycles_dma_end;\r
361 spu.decode_dirty_ch = pFO->decode_dirty_ch;\r
362 spu.dwNoiseVal = pFO->dwNoiseVal;\r
363 spu.dwNoiseCount = pFO->dwNoiseCount;\r
364 spu.XARepeat = pFO->XARepeat;\r
365 spu.XALastVal = pFO->XALastVal;\r
366 spu.last_keyon_cycles = pFO->last_keyon_cycles;\r
367 }\r
368\r
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369 // repair some globals\r
370 for(i=0;i<=62;i+=2)\r
650adfd2 371 load_register(H_Reverb+i, cycles);\r
372 load_register(H_SPUReverbAddr, cycles);\r
373 load_register(H_SPUrvolL, cycles);\r
374 load_register(H_SPUrvolR, cycles);\r
650adfd2 375 load_register(H_CDLeft, cycles);\r
376 load_register(H_CDRight, cycles);\r
ef79bbde 377\r
6109649c 378 // reverb\r
379 spu.rvb->StartAddr = regAreaGet(H_SPUReverbAddr) << 2;\r
6a3fa667 380 if (spu.rvb->CurrAddr < spu.rvb->StartAddr)\r
381 spu.rvb->CurrAddr = spu.rvb->StartAddr;\r
ef79bbde 382 // fix to prevent new interpolations from crashing\r
24dbf983 383 spu.interpolation = -1;\r
ef79bbde 384\r
6d75977b 385 ClearWorkingState();\r
ef79bbde 386\r
c4c66b22 387 if (spu.spuCtrl & CTRL_IRQ)\r
388 schedule_next_irq();\r
389\r
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390 return 1;\r
391}\r
392\r
393////////////////////////////////////////////////////////////////////////\r
394\r
403a6290 395static SPUOSSFreeze_t * LoadStateV5(SPUFreeze_t * pF, uint32_t cycles)\r
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396{\r
397 int i;SPUOSSFreeze_t * pFO;\r
398\r
399 pFO=(SPUOSSFreeze_t *)(pF+1);\r
400\r
c4c66b22 401 spu.pSpuIrq = spu.spuMemC + ((spu.regArea[(H_SPUirqAddr - 0x0c00) / 2] << 3) & ~0xf);\r
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402\r
403 if(pFO->spuAddr)\r
404 {\r
5514a050 405 if (pFO->spuAddr == 0xbaadf00d) spu.spuAddr = 0;\r
406 else spu.spuAddr = pFO->spuAddr & 0x7fffe;\r
ef79bbde 407 }\r
0ad5d4a1 408 spu.decode_pos = pFO->decode_pos & 0x1ff;\r
403a6290 409 spu.rvb->CurrAddr = pFO->rvb_cur;\r
410 spu.cycles_played = pFO->cycles_played ? pFO->cycles_played : cycles;\r
ef79bbde 411\r
3154bfab 412 spu.dwNewChannel=0;\r
2daa7c1d 413 spu.dwChannelsAudible=0;\r
3154bfab 414 spu.dwChannelDead=0;\r
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415 for(i=0;i<MAXCHAN;i++)\r
416 {\r
5514a050 417 load_channel(&spu.s_chan[i],&pFO->s_chan[i],i);\r
ef79bbde 418\r
2d724e28 419 spu.s_chan[i].pCurr+=(uintptr_t)spu.spuMemC;\r
420 spu.s_chan[i].pLoop+=(uintptr_t)spu.spuMemC;\r
ef79bbde 421 }\r
6109649c 422\r
403a6290 423 return pFO;\r
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424}\r
425\r
426////////////////////////////////////////////////////////////////////////\r
427\r
403a6290 428static void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles)\r
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429{\r
430 int i;\r
431\r
432 for(i=0;i<MAXCHAN;i++)\r
433 {\r
5514a050 434 spu.s_chan[i].pLoop=spu.spuMemC;\r
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435 }\r
436\r
3154bfab 437 spu.dwNewChannel=0;\r
2daa7c1d 438 spu.dwChannelsAudible=0;\r
3154bfab 439 spu.dwChannelDead=0;\r
c4c66b22 440 spu.pSpuIrq=spu.spuMemC;\r
403a6290 441 spu.cycles_played = cycles;\r
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442\r
443 for(i=0;i<0xc0;i++)\r
444 {\r
650adfd2 445 load_register(0x1f801c00 + i*2, cycles);\r
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446 }\r
447}\r
448\r
449////////////////////////////////////////////////////////////////////////\r
403a6290 450// vim:shiftwidth=1:expandtab\r