| 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 | #include "regs.h"\r |
| 26 | \r |
| 27 | ////////////////////////////////////////////////////////////////////////\r |
| 28 | // freeze structs\r |
| 29 | ////////////////////////////////////////////////////////////////////////\r |
| 30 | \r |
| 31 | typedef struct\r |
| 32 | {\r |
| 33 | char szSPUName[8];\r |
| 34 | uint32_t ulFreezeVersion;\r |
| 35 | uint32_t ulFreezeSize;\r |
| 36 | unsigned char cSPUPort[0x200];\r |
| 37 | unsigned char cSPURam[0x80000];\r |
| 38 | xa_decode_t xaS; \r |
| 39 | } SPUFreeze_t;\r |
| 40 | \r |
| 41 | typedef struct\r |
| 42 | {\r |
| 43 | unsigned short spuIrq;\r |
| 44 | uint32_t pSpuIrq;\r |
| 45 | uint32_t spuAddr;\r |
| 46 | uint32_t dummy1;\r |
| 47 | uint32_t dummy2;\r |
| 48 | uint32_t dummy3;\r |
| 49 | \r |
| 50 | SPUCHAN s_chan[MAXCHAN]; \r |
| 51 | \r |
| 52 | } SPUOSSFreeze_t;\r |
| 53 | \r |
| 54 | ////////////////////////////////////////////////////////////////////////\r |
| 55 | \r |
| 56 | void LoadStateV5(SPUFreeze_t * pF); // newest version\r |
| 57 | void LoadStateUnknown(SPUFreeze_t * pF); // unknown format\r |
| 58 | \r |
| 59 | extern int lastch;\r |
| 60 | \r |
| 61 | ////////////////////////////////////////////////////////////////////////\r |
| 62 | // SPUFREEZE: called by main emu on savestate load/save\r |
| 63 | ////////////////////////////////////////////////////////////////////////\r |
| 64 | \r |
| 65 | long CALLBACK SPUfreeze(uint32_t ulFreezeMode,SPUFreeze_t * pF)\r |
| 66 | {\r |
| 67 | int i;SPUOSSFreeze_t * pFO;\r |
| 68 | \r |
| 69 | if(!pF) return 0; // first check\r |
| 70 | \r |
| 71 | if(ulFreezeMode) // info or save?\r |
| 72 | {//--------------------------------------------------//\r |
| 73 | if(ulFreezeMode==1) \r |
| 74 | memset(pF,0,sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t));\r |
| 75 | \r |
| 76 | strcpy(pF->szSPUName,"PBOSS");\r |
| 77 | pF->ulFreezeVersion=5;\r |
| 78 | pF->ulFreezeSize=sizeof(SPUFreeze_t)+sizeof(SPUOSSFreeze_t);\r |
| 79 | \r |
| 80 | if(ulFreezeMode==2) return 1; // info mode? ok, bye\r |
| 81 | // save mode:\r |
| 82 | RemoveTimer(); // stop timer\r |
| 83 | \r |
| 84 | memcpy(pF->cSPURam,spuMem,0x80000); // copy common infos\r |
| 85 | memcpy(pF->cSPUPort,regArea,0x200);\r |
| 86 | \r |
| 87 | if(xapGlobal && XAPlay!=XAFeed) // some xa\r |
| 88 | {\r |
| 89 | pF->xaS=*xapGlobal; \r |
| 90 | }\r |
| 91 | else \r |
| 92 | memset(&pF->xaS,0,sizeof(xa_decode_t)); // or clean xa\r |
| 93 | \r |
| 94 | pFO=(SPUOSSFreeze_t *)(pF+1); // store special stuff\r |
| 95 | \r |
| 96 | pFO->spuIrq=spuIrq;\r |
| 97 | if(pSpuIrq) pFO->pSpuIrq = (unsigned long)pSpuIrq-(unsigned long)spuMemC;\r |
| 98 | \r |
| 99 | pFO->spuAddr=spuAddr;\r |
| 100 | if(pFO->spuAddr==0) pFO->spuAddr=0xbaadf00d;\r |
| 101 | \r |
| 102 | for(i=0;i<MAXCHAN;i++)\r |
| 103 | {\r |
| 104 | memcpy((void *)&pFO->s_chan[i],(void *)&s_chan[i],sizeof(SPUCHAN));\r |
| 105 | if(pFO->s_chan[i].pStart)\r |
| 106 | pFO->s_chan[i].pStart-=(unsigned long)spuMemC;\r |
| 107 | if(pFO->s_chan[i].pCurr)\r |
| 108 | pFO->s_chan[i].pCurr-=(unsigned long)spuMemC;\r |
| 109 | if(pFO->s_chan[i].pLoop)\r |
| 110 | pFO->s_chan[i].pLoop-=(unsigned long)spuMemC;\r |
| 111 | }\r |
| 112 | \r |
| 113 | SetupTimer(); // sound processing on again\r |
| 114 | \r |
| 115 | return 1;\r |
| 116 | //--------------------------------------------------//\r |
| 117 | }\r |
| 118 | \r |
| 119 | if(ulFreezeMode!=0) return 0; // bad mode? bye\r |
| 120 | \r |
| 121 | RemoveTimer(); // we stop processing while doing the save!\r |
| 122 | \r |
| 123 | memcpy(spuMem,pF->cSPURam,0x80000); // get ram\r |
| 124 | memcpy(regArea,pF->cSPUPort,0x200);\r |
| 125 | \r |
| 126 | if(pF->xaS.nsamples<=4032) // start xa again\r |
| 127 | SPUplayADPCMchannel(&pF->xaS);\r |
| 128 | \r |
| 129 | xapGlobal=0;\r |
| 130 | \r |
| 131 | if(!strcmp(pF->szSPUName,"PBOSS") && pF->ulFreezeVersion==5)\r |
| 132 | LoadStateV5(pF);\r |
| 133 | else LoadStateUnknown(pF);\r |
| 134 | \r |
| 135 | lastch = -1;\r |
| 136 | \r |
| 137 | // repair some globals\r |
| 138 | for(i=0;i<=62;i+=2)\r |
| 139 | SPUwriteRegister(H_Reverb+i,regArea[(H_Reverb+i-0xc00)>>1]);\r |
| 140 | SPUwriteRegister(H_SPUReverbAddr,regArea[(H_SPUReverbAddr-0xc00)>>1]);\r |
| 141 | SPUwriteRegister(H_SPUrvolL,regArea[(H_SPUrvolL-0xc00)>>1]);\r |
| 142 | SPUwriteRegister(H_SPUrvolR,regArea[(H_SPUrvolR-0xc00)>>1]);\r |
| 143 | \r |
| 144 | SPUwriteRegister(H_SPUctrl,(unsigned short)(regArea[(H_SPUctrl-0xc00)>>1]|0x4000));\r |
| 145 | SPUwriteRegister(H_SPUstat,regArea[(H_SPUstat-0xc00)>>1]);\r |
| 146 | SPUwriteRegister(H_CDLeft,regArea[(H_CDLeft-0xc00)>>1]);\r |
| 147 | SPUwriteRegister(H_CDRight,regArea[(H_CDRight-0xc00)>>1]);\r |
| 148 | \r |
| 149 | // fix to prevent new interpolations from crashing\r |
| 150 | for(i=0;i<MAXCHAN;i++) s_chan[i].SB[28]=0;\r |
| 151 | \r |
| 152 | SetupTimer(); // start sound processing again\r |
| 153 | \r |
| 154 | return 1;\r |
| 155 | }\r |
| 156 | \r |
| 157 | ////////////////////////////////////////////////////////////////////////\r |
| 158 | \r |
| 159 | void LoadStateV5(SPUFreeze_t * pF)\r |
| 160 | {\r |
| 161 | int i;SPUOSSFreeze_t * pFO;\r |
| 162 | \r |
| 163 | pFO=(SPUOSSFreeze_t *)(pF+1);\r |
| 164 | \r |
| 165 | spuIrq = pFO->spuIrq;\r |
| 166 | if(pFO->pSpuIrq) pSpuIrq = pFO->pSpuIrq+spuMemC; else pSpuIrq=NULL;\r |
| 167 | \r |
| 168 | if(pFO->spuAddr)\r |
| 169 | {\r |
| 170 | spuAddr = pFO->spuAddr;\r |
| 171 | if (spuAddr == 0xbaadf00d) spuAddr = 0;\r |
| 172 | }\r |
| 173 | \r |
| 174 | for(i=0;i<MAXCHAN;i++)\r |
| 175 | {\r |
| 176 | memcpy((void *)&s_chan[i],(void *)&pFO->s_chan[i],sizeof(SPUCHAN));\r |
| 177 | \r |
| 178 | s_chan[i].pStart+=(unsigned long)spuMemC;\r |
| 179 | s_chan[i].pCurr+=(unsigned long)spuMemC;\r |
| 180 | s_chan[i].pLoop+=(unsigned long)spuMemC;\r |
| 181 | s_chan[i].iMute=0;\r |
| 182 | s_chan[i].iIrqDone=0;\r |
| 183 | }\r |
| 184 | }\r |
| 185 | \r |
| 186 | ////////////////////////////////////////////////////////////////////////\r |
| 187 | \r |
| 188 | void LoadStateUnknown(SPUFreeze_t * pF)\r |
| 189 | {\r |
| 190 | int i;\r |
| 191 | \r |
| 192 | for(i=0;i<MAXCHAN;i++)\r |
| 193 | {\r |
| 194 | s_chan[i].bOn=0;\r |
| 195 | s_chan[i].bNew=0;\r |
| 196 | s_chan[i].bStop=0;\r |
| 197 | s_chan[i].ADSR.lVolume=0;\r |
| 198 | s_chan[i].pLoop=spuMemC;\r |
| 199 | s_chan[i].pStart=spuMemC;\r |
| 200 | s_chan[i].pLoop=spuMemC;\r |
| 201 | s_chan[i].iMute=0;\r |
| 202 | s_chan[i].iIrqDone=0;\r |
| 203 | }\r |
| 204 | \r |
| 205 | dwNewChannel=0;\r |
| 206 | pSpuIrq=0;\r |
| 207 | \r |
| 208 | for(i=0;i<0xc0;i++)\r |
| 209 | {\r |
| 210 | SPUwriteRegister(0x1f801c00+i*2,regArea[i]);\r |
| 211 | }\r |
| 212 | }\r |
| 213 | \r |
| 214 | ////////////////////////////////////////////////////////////////////////\r |