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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 | #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 |