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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 | |
9ad8abfa | 56 | enum ADSR_State {\r |
57 | ADSR_ATTACK = 0,\r | |
58 | ADSR_DECAY = 1,\r | |
59 | ADSR_SUSTAIN = 2,\r | |
60 | ADSR_RELEASE = 3,\r | |
61 | };\r | |
62 | \r | |
ef79bbde | 63 | // ADSR INFOS PER CHANNEL\r |
ef79bbde P |
64 | typedef struct\r |
65 | {\r | |
9ad8abfa | 66 | unsigned char State:2; // ADSR_State\r |
6d866bb7 | 67 | unsigned char AttackModeExp:1;\r |
68 | unsigned char SustainModeExp:1;\r | |
69 | unsigned char SustainIncrease:1;\r | |
70 | unsigned char ReleaseModeExp:1;\r | |
71 | unsigned char AttackRate;\r | |
72 | unsigned char DecayRate;\r | |
73 | unsigned char SustainLevel;\r | |
74 | unsigned char SustainRate;\r | |
75 | unsigned char ReleaseRate;\r | |
ef79bbde | 76 | int EnvelopeVol;\r |
ef79bbde P |
77 | } ADSRInfoEx;\r |
78 | \r | |
79 | ///////////////////////////////////////////////////////////\r | |
80 | \r | |
81 | // Tmp Flags\r | |
82 | \r | |
83 | // used for debug channel muting\r | |
84 | #define FLAG_MUTE 1\r | |
85 | \r | |
86 | // used for simple interpolation\r | |
87 | #define FLAG_IPOL0 2\r | |
88 | #define FLAG_IPOL1 4\r | |
89 | \r | |
90 | ///////////////////////////////////////////////////////////\r | |
91 | \r | |
92 | // MAIN CHANNEL STRUCT\r | |
93 | typedef struct\r | |
94 | {\r | |
ef79bbde P |
95 | int iSBPos; // mixing stuff\r |
96 | int spos;\r | |
97 | int sinc;\r | |
650adfd2 | 98 | int sinc_inv;\r |
ef79bbde | 99 | \r |
ef79bbde P |
100 | unsigned char * pCurr; // current pos in sound mem\r |
101 | unsigned char * pLoop; // loop ptr in sound mem\r | |
102 | \r | |
6d866bb7 | 103 | unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r |
6d866bb7 | 104 | unsigned int bRVBActive:1; // reverb active flag\r |
105 | unsigned int bNoise:1; // noise active flag\r | |
106 | unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r | |
e4f075af | 107 | unsigned int prevflags:3; // flags from previous block\r |
6d866bb7 | 108 | \r |
ef79bbde | 109 | int iLeftVolume; // left volume\r |
ef79bbde | 110 | int iRightVolume; // right volume\r |
6d866bb7 | 111 | ADSRInfoEx ADSRX;\r |
112 | int iRawPitch; // raw pitch (0...3fff)\r | |
ef79bbde P |
113 | } SPUCHAN;\r |
114 | \r | |
115 | ///////////////////////////////////////////////////////////\r | |
116 | \r | |
117 | typedef struct\r | |
118 | {\r | |
119 | int StartAddr; // reverb area start addr in samples\r | |
120 | int CurrAddr; // reverb area curr addr in samples\r | |
121 | \r | |
122 | int VolLeft;\r | |
123 | int VolRight;\r | |
ef79bbde P |
124 | int iRVBLeft;\r |
125 | int iRVBRight;\r | |
126 | \r | |
127 | int FB_SRC_A; // (offset)\r | |
128 | int FB_SRC_B; // (offset)\r | |
129 | int IIR_ALPHA; // (coef.)\r | |
130 | int ACC_COEF_A; // (coef.)\r | |
131 | int ACC_COEF_B; // (coef.)\r | |
132 | int ACC_COEF_C; // (coef.)\r | |
133 | int ACC_COEF_D; // (coef.)\r | |
134 | int IIR_COEF; // (coef.)\r | |
135 | int FB_ALPHA; // (coef.)\r | |
136 | int FB_X; // (coef.)\r | |
137 | int IIR_DEST_A0; // (offset)\r | |
138 | int IIR_DEST_A1; // (offset)\r | |
139 | int ACC_SRC_A0; // (offset)\r | |
140 | int ACC_SRC_A1; // (offset)\r | |
141 | int ACC_SRC_B0; // (offset)\r | |
142 | int ACC_SRC_B1; // (offset)\r | |
143 | int IIR_SRC_A0; // (offset)\r | |
144 | int IIR_SRC_A1; // (offset)\r | |
145 | int IIR_DEST_B0; // (offset)\r | |
146 | int IIR_DEST_B1; // (offset)\r | |
147 | int ACC_SRC_C0; // (offset)\r | |
148 | int ACC_SRC_C1; // (offset)\r | |
149 | int ACC_SRC_D0; // (offset)\r | |
150 | int ACC_SRC_D1; // (offset)\r | |
151 | int IIR_SRC_B1; // (offset)\r | |
152 | int IIR_SRC_B0; // (offset)\r | |
153 | int MIX_DEST_A0; // (offset)\r | |
154 | int MIX_DEST_A1; // (offset)\r | |
155 | int MIX_DEST_B0; // (offset)\r | |
156 | int MIX_DEST_B1; // (offset)\r | |
157 | int IN_COEF_L; // (coef.)\r | |
158 | int IN_COEF_R; // (coef.)\r | |
1775933a | 159 | \r |
160 | int dirty; // registers changed\r | |
161 | \r | |
162 | // normalized offsets\r | |
163 | int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1,\r | |
164 | nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, \r | |
165 | nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1,\r | |
166 | nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1,\r | |
167 | nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1;\r | |
168 | // MIX_DEST_xx - FB_SRC_x\r | |
169 | int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1;\r | |
ef79bbde P |
170 | } REVERBInfo;\r |
171 | \r | |
ef79bbde P |
172 | ///////////////////////////////////////////////////////////\r |
173 | \r | |
ef79bbde P |
174 | // psx buffers / addresses\r |
175 | \r | |
de4a0279 | 176 | #define SB_SIZE (32 + 4)\r |
177 | \r | |
3154bfab | 178 | typedef struct\r |
179 | {\r | |
180 | unsigned short spuCtrl;\r | |
181 | unsigned short spuStat;\r | |
ef79bbde | 182 | \r |
3154bfab | 183 | unsigned int spuAddr;\r |
5514a050 | 184 | union {\r |
185 | unsigned char *spuMemC;\r | |
186 | unsigned short *spuMem;\r | |
187 | };\r | |
3154bfab | 188 | unsigned char * pSpuIrq;\r |
77d6fd63 | 189 | \r |
3154bfab | 190 | unsigned int cycles_played;\r |
191 | int decode_pos;\r | |
192 | int decode_dirty_ch;\r | |
193 | unsigned int bSpuInit:1;\r | |
194 | unsigned int bSPUIsOpen:1;\r | |
ef79bbde | 195 | \r |
3154bfab | 196 | unsigned int dwNoiseVal; // global noise generator\r |
197 | unsigned int dwNoiseCount;\r | |
198 | unsigned int dwNewChannel; // flags for faster testing, if new channel starts\r | |
199 | unsigned int dwChannelOn; // not silent channels\r | |
200 | unsigned int dwChannelDead; // silent+not useful channels\r | |
ef79bbde | 201 | \r |
3154bfab | 202 | unsigned char * pSpuBuffer;\r |
203 | short * pS;\r | |
ef79bbde | 204 | \r |
3154bfab | 205 | void (CALLBACK *irqCallback)(void); // func of main emu, called on spu irq\r |
206 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short);\r | |
207 | void (CALLBACK *scheduleCallback)(unsigned int);\r | |
ef79bbde | 208 | \r |
3154bfab | 209 | xa_decode_t * xapGlobal;\r |
210 | unsigned int * XAFeed;\r | |
211 | unsigned int * XAPlay;\r | |
212 | unsigned int * XAStart;\r | |
213 | unsigned int * XAEnd;\r | |
ef79bbde | 214 | \r |
3154bfab | 215 | unsigned int * CDDAFeed;\r |
216 | unsigned int * CDDAPlay;\r | |
217 | unsigned int * CDDAStart;\r | |
218 | unsigned int * CDDAEnd;\r | |
ef79bbde | 219 | \r |
3154bfab | 220 | unsigned int XARepeat;\r |
221 | unsigned int XALastVal;\r | |
650adfd2 | 222 | \r |
3154bfab | 223 | int iLeftXAVol;\r |
224 | int iRightXAVol;\r | |
650adfd2 | 225 | \r |
5514a050 | 226 | SPUCHAN * s_chan;\r |
de4a0279 | 227 | int * SB;\r |
5514a050 | 228 | \r |
3bd31caf | 229 | int * RVB;\r |
230 | int * SSumLR;\r | |
231 | \r | |
232 | int pad[29];\r | |
3154bfab | 233 | unsigned short regArea[0x400];\r |
3154bfab | 234 | } SPUInfo;\r |
ef79bbde P |
235 | \r |
236 | ///////////////////////////////////////////////////////////\r | |
3154bfab | 237 | // SPU.C globals\r |
ef79bbde P |
238 | ///////////////////////////////////////////////////////////\r |
239 | \r | |
3154bfab | 240 | #ifndef _IN_SPU\r |
ef79bbde | 241 | \r |
3154bfab | 242 | extern SPUInfo spu;\r |
3154bfab | 243 | extern REVERBInfo rvb;\r |
ef79bbde | 244 | \r |
63a4f6b6 | 245 | void do_samples(unsigned int cycles_to, int do_sync);\r |
3154bfab | 246 | void schedule_next_irq(void);\r |
ef79bbde | 247 | \r |
3154bfab | 248 | #define regAreaGet(ch,offset) \\r |
249 | spu.regArea[((ch<<4)|(offset))>>1]\r | |
ef79bbde | 250 | \r |
63a4f6b6 | 251 | #define do_samples_if_needed(c, sync) \\r |
3154bfab | 252 | do { \\r |
63a4f6b6 | 253 | if (sync || (int)((c) - spu.cycles_played) >= 16 * 768) \\r |
254 | do_samples(c, sync); \\r | |
3154bfab | 255 | } while (0)\r |
ef79bbde P |
256 | \r |
257 | #endif\r | |
258 | \r |