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ef79bbde P |
1 | /***************************************************************************\r |
2 | externals.h - 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 <stdint.h>\r | |
19 | \r | |
20 | /////////////////////////////////////////////////////////\r | |
21 | // generic defines\r | |
22 | /////////////////////////////////////////////////////////\r | |
23 | \r | |
f05d6ca2 | 24 | #ifdef __GNUC__\r |
b72f17a1 | 25 | #define noinline __attribute__((noinline))\r |
26 | #define unlikely(x) __builtin_expect((x), 0)\r | |
27 | #else\r | |
28 | #define noinline\r | |
29 | #define unlikely(x) x\r | |
30 | #endif\r | |
31 | \r | |
ef79bbde P |
32 | #define PSE_LT_SPU 4\r |
33 | #define PSE_SPU_ERR_SUCCESS 0\r | |
34 | #define PSE_SPU_ERR -60\r | |
35 | #define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1\r | |
36 | #define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2\r | |
37 | #ifndef max\r | |
38 | #define max(a,b) (((a) > (b)) ? (a) : (b))\r | |
39 | #define min(a,b) (((a) < (b)) ? (a) : (b))\r | |
40 | #endif\r | |
41 | \r | |
42 | ////////////////////////////////////////////////////////////////////////\r | |
43 | // spu defines\r | |
44 | ////////////////////////////////////////////////////////////////////////\r | |
45 | \r | |
ef79bbde P |
46 | // num of channels\r |
47 | #define MAXCHAN 24\r | |
48 | \r | |
1775933a | 49 | // note: must be even due to the way reverb works now\r |
650adfd2 | 50 | #define NSSIZE ((44100 / 50 + 16) & ~1)\r |
ef79bbde P |
51 | \r |
52 | ///////////////////////////////////////////////////////////\r | |
53 | // struct defines\r | |
54 | ///////////////////////////////////////////////////////////\r | |
55 | \r | |
56 | // ADSR INFOS PER CHANNEL\r | |
ef79bbde P |
57 | typedef struct\r |
58 | {\r | |
6d866bb7 | 59 | unsigned char State:2;\r |
60 | unsigned char AttackModeExp:1;\r | |
61 | unsigned char SustainModeExp:1;\r | |
62 | unsigned char SustainIncrease:1;\r | |
63 | unsigned char ReleaseModeExp:1;\r | |
64 | unsigned char AttackRate;\r | |
65 | unsigned char DecayRate;\r | |
66 | unsigned char SustainLevel;\r | |
67 | unsigned char SustainRate;\r | |
68 | unsigned char ReleaseRate;\r | |
ef79bbde | 69 | int EnvelopeVol;\r |
ef79bbde P |
70 | } ADSRInfoEx;\r |
71 | \r | |
72 | ///////////////////////////////////////////////////////////\r | |
73 | \r | |
74 | // Tmp Flags\r | |
75 | \r | |
76 | // used for debug channel muting\r | |
77 | #define FLAG_MUTE 1\r | |
78 | \r | |
79 | // used for simple interpolation\r | |
80 | #define FLAG_IPOL0 2\r | |
81 | #define FLAG_IPOL1 4\r | |
82 | \r | |
83 | ///////////////////////////////////////////////////////////\r | |
84 | \r | |
85 | // MAIN CHANNEL STRUCT\r | |
86 | typedef struct\r | |
87 | {\r | |
ef79bbde P |
88 | int iSBPos; // mixing stuff\r |
89 | int spos;\r | |
90 | int sinc;\r | |
650adfd2 | 91 | int sinc_inv;\r |
ef79bbde | 92 | \r |
ef79bbde P |
93 | unsigned char * pCurr; // current pos in sound mem\r |
94 | unsigned char * pLoop; // loop ptr in sound mem\r | |
95 | \r | |
6d866bb7 | 96 | unsigned int bStop:1; // is channel stopped (sample _can_ still be playing, ADSR Release phase)\r |
97 | unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r | |
6d866bb7 | 98 | unsigned int bRVBActive:1; // reverb active flag\r |
99 | unsigned int bNoise:1; // noise active flag\r | |
100 | unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r | |
e4f075af | 101 | unsigned int prevflags:3; // flags from previous block\r |
6d866bb7 | 102 | \r |
ef79bbde | 103 | int iLeftVolume; // left volume\r |
ef79bbde | 104 | int iRightVolume; // right volume\r |
6d866bb7 | 105 | ADSRInfoEx ADSRX;\r |
106 | int iRawPitch; // raw pitch (0...3fff)\r | |
107 | \r | |
381ea103 | 108 | int SB[32+4];\r |
ef79bbde P |
109 | } SPUCHAN;\r |
110 | \r | |
111 | ///////////////////////////////////////////////////////////\r | |
112 | \r | |
113 | typedef struct\r | |
114 | {\r | |
115 | int StartAddr; // reverb area start addr in samples\r | |
116 | int CurrAddr; // reverb area curr addr in samples\r | |
117 | \r | |
118 | int VolLeft;\r | |
119 | int VolRight;\r | |
ef79bbde P |
120 | int iRVBLeft;\r |
121 | int iRVBRight;\r | |
122 | \r | |
123 | int FB_SRC_A; // (offset)\r | |
124 | int FB_SRC_B; // (offset)\r | |
125 | int IIR_ALPHA; // (coef.)\r | |
126 | int ACC_COEF_A; // (coef.)\r | |
127 | int ACC_COEF_B; // (coef.)\r | |
128 | int ACC_COEF_C; // (coef.)\r | |
129 | int ACC_COEF_D; // (coef.)\r | |
130 | int IIR_COEF; // (coef.)\r | |
131 | int FB_ALPHA; // (coef.)\r | |
132 | int FB_X; // (coef.)\r | |
133 | int IIR_DEST_A0; // (offset)\r | |
134 | int IIR_DEST_A1; // (offset)\r | |
135 | int ACC_SRC_A0; // (offset)\r | |
136 | int ACC_SRC_A1; // (offset)\r | |
137 | int ACC_SRC_B0; // (offset)\r | |
138 | int ACC_SRC_B1; // (offset)\r | |
139 | int IIR_SRC_A0; // (offset)\r | |
140 | int IIR_SRC_A1; // (offset)\r | |
141 | int IIR_DEST_B0; // (offset)\r | |
142 | int IIR_DEST_B1; // (offset)\r | |
143 | int ACC_SRC_C0; // (offset)\r | |
144 | int ACC_SRC_C1; // (offset)\r | |
145 | int ACC_SRC_D0; // (offset)\r | |
146 | int ACC_SRC_D1; // (offset)\r | |
147 | int IIR_SRC_B1; // (offset)\r | |
148 | int IIR_SRC_B0; // (offset)\r | |
149 | int MIX_DEST_A0; // (offset)\r | |
150 | int MIX_DEST_A1; // (offset)\r | |
151 | int MIX_DEST_B0; // (offset)\r | |
152 | int MIX_DEST_B1; // (offset)\r | |
153 | int IN_COEF_L; // (coef.)\r | |
154 | int IN_COEF_R; // (coef.)\r | |
1775933a | 155 | \r |
156 | int dirty; // registers changed\r | |
157 | \r | |
158 | // normalized offsets\r | |
159 | int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1,\r | |
160 | nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, \r | |
161 | nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1,\r | |
162 | nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1,\r | |
163 | nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1;\r | |
164 | // MIX_DEST_xx - FB_SRC_x\r | |
165 | int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1;\r | |
ef79bbde P |
166 | } REVERBInfo;\r |
167 | \r | |
ef79bbde P |
168 | ///////////////////////////////////////////////////////////\r |
169 | \r | |
ef79bbde P |
170 | // psx buffers / addresses\r |
171 | \r | |
3154bfab | 172 | typedef struct\r |
173 | {\r | |
174 | unsigned short spuCtrl;\r | |
175 | unsigned short spuStat;\r | |
ef79bbde | 176 | \r |
3154bfab | 177 | unsigned int spuAddr;\r |
178 | unsigned char * spuMemC;\r | |
179 | unsigned char * pSpuIrq;\r | |
77d6fd63 | 180 | \r |
3154bfab | 181 | unsigned int cycles_played;\r |
182 | int decode_pos;\r | |
183 | int decode_dirty_ch;\r | |
184 | unsigned int bSpuInit:1;\r | |
185 | unsigned int bSPUIsOpen:1;\r | |
ef79bbde | 186 | \r |
3154bfab | 187 | unsigned int dwNoiseVal; // global noise generator\r |
188 | unsigned int dwNoiseCount;\r | |
189 | unsigned int dwNewChannel; // flags for faster testing, if new channel starts\r | |
190 | unsigned int dwChannelOn; // not silent channels\r | |
191 | unsigned int dwChannelDead; // silent+not useful channels\r | |
ef79bbde | 192 | \r |
3154bfab | 193 | unsigned char * pSpuBuffer;\r |
194 | short * pS;\r | |
ef79bbde | 195 | \r |
3154bfab | 196 | void (CALLBACK *irqCallback)(void); // func of main emu, called on spu irq\r |
197 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short);\r | |
198 | void (CALLBACK *scheduleCallback)(unsigned int);\r | |
ef79bbde | 199 | \r |
3154bfab | 200 | int * sRVBStart;\r |
ef79bbde | 201 | \r |
3154bfab | 202 | xa_decode_t * xapGlobal;\r |
203 | unsigned int * XAFeed;\r | |
204 | unsigned int * XAPlay;\r | |
205 | unsigned int * XAStart;\r | |
206 | unsigned int * XAEnd;\r | |
ef79bbde | 207 | \r |
3154bfab | 208 | unsigned int * CDDAFeed;\r |
209 | unsigned int * CDDAPlay;\r | |
210 | unsigned int * CDDAStart;\r | |
211 | unsigned int * CDDAEnd;\r | |
ef79bbde | 212 | \r |
3154bfab | 213 | unsigned int XARepeat;\r |
214 | unsigned int XALastVal;\r | |
650adfd2 | 215 | \r |
3154bfab | 216 | int iLeftXAVol;\r |
217 | int iRightXAVol;\r | |
650adfd2 | 218 | \r |
3154bfab | 219 | int pad[32];\r |
220 | unsigned short regArea[0x400];\r | |
221 | unsigned short spuMem[256*1024];\r | |
222 | } SPUInfo;\r | |
ef79bbde P |
223 | \r |
224 | ///////////////////////////////////////////////////////////\r | |
3154bfab | 225 | // SPU.C globals\r |
ef79bbde P |
226 | ///////////////////////////////////////////////////////////\r |
227 | \r | |
3154bfab | 228 | #ifndef _IN_SPU\r |
ef79bbde | 229 | \r |
3154bfab | 230 | extern SPUInfo spu;\r |
231 | extern SPUCHAN s_chan[];\r | |
232 | extern REVERBInfo rvb;\r | |
ef79bbde | 233 | \r |
3154bfab | 234 | void do_samples(unsigned int cycles_to);\r |
235 | void schedule_next_irq(void);\r | |
ef79bbde | 236 | \r |
3154bfab | 237 | #define regAreaGet(ch,offset) \\r |
238 | spu.regArea[((ch<<4)|(offset))>>1]\r | |
ef79bbde | 239 | \r |
3154bfab | 240 | #define do_samples_if_needed(c) \\r |
241 | do { \\r | |
242 | if ((int)((c) - spu.cycles_played) >= 16 * 768) \\r | |
243 | do_samples(c); \\r | |
244 | } while (0)\r | |
ef79bbde P |
245 | \r |
246 | #endif\r | |
247 | \r |