Mercurial > vba-linux

annotate src/gba/GBASound.cpp @ 19:5e8e5083da94

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
brought in common and gba, fixed problems with outdated Makefile.am files in both of these packages
author Robert McIntyre <rlm@mit.edu>
date Sun, 04 Mar 2012 14:33:52 -0600
parents f9f4f1b99eed
children
rev   line source
rlm@1 1 #if (defined(WIN32) && !defined(SDL))
rlm@1 2 # include "../win32/stdafx.h"
rlm@1 3 # include "../win32/VBA.h"
rlm@1 4 #endif
rlm@1 5
rlm@1 6 #include <cstring>
rlm@1 7 #include <cassert>
rlm@1 8
rlm@1 9 #include "GBASound.h"
rlm@1 10 #include "../common/System.h" // SDL build needs this
rlm@1 11 #include "../common/Util.h"
rlm@1 12 #include "GBA.h"
rlm@1 13 #include "GBAGlobals.h"
rlm@1 14
rlm@1 15 #ifndef countof
rlm@1 16 #define countof(a) (sizeof(a) / sizeof(a[0]))
rlm@1 17 #endif
rlm@1 18
rlm@1 19 soundtick_t USE_TICKS_AS = 380; // (16777216.0/44100.0); // FIXME: (16777216.0/280896.0)(fps) vs 60.0fps?
rlm@1 20
rlm@1 21 #define SOUND_MAGIC 0x60000000
rlm@1 22 #define SOUND_MAGIC_2 0x30000000
rlm@1 23 #define NOISE_MAGIC (2097152.0 / 44100.0)
rlm@1 24
rlm@1 25 extern bool8 stopState;
rlm@1 26
rlm@1 27 u8 soundWavePattern[4][32] = {
rlm@1 28 { 0x01, 0x01, 0x01, 0x01,
rlm@1 29 0xff, 0xff, 0xff, 0xff,
rlm@1 30 0xff, 0xff, 0xff, 0xff,
rlm@1 31 0xff, 0xff, 0xff, 0xff,
rlm@1 32 0xff, 0xff, 0xff, 0xff,
rlm@1 33 0xff, 0xff, 0xff, 0xff,
rlm@1 34 0xff, 0xff, 0xff, 0xff,
rlm@1 35 0xff, 0xff, 0xff, 0xff },
rlm@1 36 { 0x01, 0x01, 0x01, 0x01,
rlm@1 37 0x01, 0x01, 0x01, 0x01,
rlm@1 38 0xff, 0xff, 0xff, 0xff,
rlm@1 39 0xff, 0xff, 0xff, 0xff,
rlm@1 40 0xff, 0xff, 0xff, 0xff,
rlm@1 41 0xff, 0xff, 0xff, 0xff,
rlm@1 42 0xff, 0xff, 0xff, 0xff,
rlm@1 43 0xff, 0xff, 0xff, 0xff },
rlm@1 44 { 0x01, 0x01, 0x01, 0x01,
rlm@1 45 0x01, 0x01, 0x01, 0x01,
rlm@1 46 0x01, 0x01, 0x01, 0x01,
rlm@1 47 0x01, 0x01, 0x01, 0x01,
rlm@1 48 0xff, 0xff, 0xff, 0xff,
rlm@1 49 0xff, 0xff, 0xff, 0xff,
rlm@1 50 0xff, 0xff, 0xff, 0xff,
rlm@1 51 0xff, 0xff, 0xff, 0xff },
rlm@1 52 { 0x01, 0x01, 0x01, 0x01,
rlm@1 53 0x01, 0x01, 0x01, 0x01,
rlm@1 54 0x01, 0x01, 0x01, 0x01,
rlm@1 55 0x01, 0x01, 0x01, 0x01,
rlm@1 56 0x01, 0x01, 0x01, 0x01,
rlm@1 57 0x01, 0x01, 0x01, 0x01,
rlm@1 58 0xff, 0xff, 0xff, 0xff,
rlm@1 59 0xff, 0xff, 0xff, 0xff }
rlm@1 60 };
rlm@1 61
rlm@1 62 int32 soundFreqRatio[8] = {
rlm@1 63 1048576, // 0
rlm@1 64 524288, // 1
rlm@1 65 262144, // 2
rlm@1 66 174763, // 3
rlm@1 67 131072, // 4
rlm@1 68 104858, // 5
rlm@1 69 87381, // 6
rlm@1 70 74898 // 7
rlm@1 71 };
rlm@1 72
rlm@1 73 int32 soundShiftClock[16] = {
rlm@1 74 2, // 0
rlm@1 75 4, // 1
rlm@1 76 8, // 2
rlm@1 77 16, // 3
rlm@1 78 32, // 4
rlm@1 79 64, // 5
rlm@1 80 128, // 6
rlm@1 81 256, // 7
rlm@1 82 512, // 8
rlm@1 83 1024, // 9
rlm@1 84 2048, // 10
rlm@1 85 4096, // 11
rlm@1 86 8192, // 12
rlm@1 87 16384, // 13
rlm@1 88 1, // 14
rlm@1 89 1 // 15
rlm@1 90 };
rlm@1 91
rlm@1 92 int32 soundVolume = 0;
rlm@1 93
rlm@1 94 u8 soundBuffer[6][735];
rlm@1 95 u16 soundFinalWave[1470];
rlm@1 96 u16 soundFrameSound[735 * 30 * 2]; // for avi logging
rlm@1 97
rlm@1 98 u32 soundBufferLen = 1470;
rlm@1 99 u32 soundBufferTotalLen = 14700;
rlm@1 100 int32 soundQuality = 2;
rlm@1 101 int32 soundPaused = 1;
rlm@1 102 int32 soundPlay = 0;
rlm@1 103 soundtick_t soundTicks = soundQuality * USE_TICKS_AS;
rlm@1 104 soundtick_t SOUND_CLOCK_TICKS = soundQuality * USE_TICKS_AS;
rlm@1 105 u32 soundNextPosition = 0;
rlm@1 106
rlm@1 107 int32 soundLevel1 = 0;
rlm@1 108 int32 soundLevel2 = 0;
rlm@1 109 int32 soundBalance = 0;
rlm@1 110 int32 soundMasterOn = 0;
rlm@1 111 u32 soundIndex = 0;
rlm@1 112 u32 soundBufferIndex = 0;
rlm@1 113 int32 soundFrameSoundWritten = 0;
rlm@1 114 int32 soundDebug = 0;
rlm@1 115 bool8 soundOffFlag = false;
rlm@1 116
rlm@1 117 int32 sound1On = 0;
rlm@1 118 int32 sound1ATL = 0;
rlm@1 119 int32 sound1Skip = 0;
rlm@1 120 int32 sound1Index = 0;
rlm@1 121 int32 sound1Continue = 0;
rlm@1 122 int32 sound1EnvelopeVolume = 0;
rlm@1 123 int32 sound1EnvelopeATL = 0;
rlm@1 124 int32 sound1EnvelopeUpDown = 0;
rlm@1 125 int32 sound1EnvelopeATLReload = 0;
rlm@1 126 int32 sound1SweepATL = 0;
rlm@1 127 int32 sound1SweepATLReload = 0;
rlm@1 128 int32 sound1SweepSteps = 0;
rlm@1 129 int32 sound1SweepUpDown = 0;
rlm@1 130 int32 sound1SweepStep = 0;
rlm@1 131 u8 * sound1Wave = soundWavePattern[2];
rlm@1 132
rlm@1 133 int32 sound2On = 0;
rlm@1 134 int32 sound2ATL = 0;
rlm@1 135 int32 sound2Skip = 0;
rlm@1 136 int32 sound2Index = 0;
rlm@1 137 int32 sound2Continue = 0;
rlm@1 138 int32 sound2EnvelopeVolume = 0;
rlm@1 139 int32 sound2EnvelopeATL = 0;
rlm@1 140 int32 sound2EnvelopeUpDown = 0;
rlm@1 141 int32 sound2EnvelopeATLReload = 0;
rlm@1 142 u8 * sound2Wave = soundWavePattern[2];
rlm@1 143
rlm@1 144 int32 sound3On = 0;
rlm@1 145 int32 sound3ATL = 0;
rlm@1 146 int32 sound3Skip = 0;
rlm@1 147 int32 sound3Index = 0;
rlm@1 148 int32 sound3Continue = 0;
rlm@1 149 int32 sound3OutputLevel = 0;
rlm@1 150 int32 sound3Last = 0;
rlm@1 151 u8 sound3WaveRam[0x20];
rlm@1 152 int32 sound3Bank = 0;
rlm@1 153 int32 sound3DataSize = 0;
rlm@1 154 int32 sound3ForcedOutput = 0;
rlm@1 155
rlm@1 156 int32 sound4On = 0;
rlm@1 157 int32 sound4Clock = 0;
rlm@1 158 int32 sound4ATL = 0;
rlm@1 159 int32 sound4Skip = 0;
rlm@1 160 int32 sound4Index = 0;
rlm@1 161 int32 sound4ShiftRight = 0x7f;
rlm@1 162 int32 sound4ShiftSkip = 0;
rlm@1 163 int32 sound4ShiftIndex = 0;
rlm@1 164 int32 sound4NSteps = 0;
rlm@1 165 int32 sound4CountDown = 0;
rlm@1 166 int32 sound4Continue = 0;
rlm@1 167 int32 sound4EnvelopeVolume = 0;
rlm@1 168 int32 sound4EnvelopeATL = 0;
rlm@1 169 int32 sound4EnvelopeUpDown = 0;
rlm@1 170 int32 sound4EnvelopeATLReload = 0;
rlm@1 171
rlm@1 172 int32 soundControl = 0;
rlm@1 173
rlm@1 174 int32 soundDSFifoAIndex = 0;
rlm@1 175 int32 soundDSFifoACount = 0;
rlm@1 176 int32 soundDSFifoAWriteIndex = 0;
rlm@1 177 bool8 soundDSAEnabled = false;
rlm@1 178 int32 soundDSATimer = 0;
rlm@1 179 u8 soundDSFifoA[32];
rlm@1 180 u8 soundDSAValue = 0;
rlm@1 181
rlm@1 182 int32 soundDSFifoBIndex = 0;
rlm@1 183 int32 soundDSFifoBCount = 0;
rlm@1 184 int32 soundDSFifoBWriteIndex = 0;
rlm@1 185 bool8 soundDSBEnabled = false;
rlm@1 186 int32 soundDSBTimer = 0;
rlm@1 187 u8 soundDSFifoB[32];
rlm@1 188 u8 soundDSBValue = 0;
rlm@1 189
rlm@1 190 int32 soundEnableFlag = 0x3ff;
rlm@1 191 int32 soundMutedFlag = 0;
rlm@1 192
rlm@1 193 s16 soundFilter[4000];
rlm@1 194 s16 soundRight[5] = { 0, 0, 0, 0, 0 };
rlm@1 195 s16 soundLeft[5] = { 0, 0, 0, 0, 0 };
rlm@1 196 int32 soundEchoIndex = 0;
rlm@1 197 bool8 soundEcho = false;
rlm@1 198 bool8 soundLowPass = false;
rlm@1 199 bool8 soundReverse = false;
rlm@1 200
rlm@1 201 static int32 soundTicks_int32;
rlm@1 202 static int32 SOUND_CLOCK_TICKS_int32;
rlm@1 203 static int32 soundDSBValue_int32;
rlm@1 204 variable_desc soundSaveStruct[] = {
rlm@1 205 { &soundPaused, sizeof(int32) },
rlm@1 206 { &soundPlay, sizeof(int32) },
rlm@1 207 { &soundTicks_int32, sizeof(int32) },
rlm@1 208 { &SOUND_CLOCK_TICKS_int32, sizeof(int32) },
rlm@1 209 { &soundLevel1, sizeof(int32) },
rlm@1 210 { &soundLevel2, sizeof(int32) },
rlm@1 211 { &soundBalance, sizeof(int32) },
rlm@1 212 { &soundMasterOn, sizeof(int32) },
rlm@1 213 { &soundIndex, sizeof(int32) },
rlm@1 214 { &sound1On, sizeof(int32) },
rlm@1 215 { &sound1ATL, sizeof(int32) },
rlm@1 216 { &sound1Skip, sizeof(int32) },
rlm@1 217 { &sound1Index, sizeof(int32) },
rlm@1 218 { &sound1Continue, sizeof(int32) },
rlm@1 219 { &sound1EnvelopeVolume, sizeof(int32) },
rlm@1 220 { &sound1EnvelopeATL, sizeof(int32) },
rlm@1 221 { &sound1EnvelopeATLReload, sizeof(int32) },
rlm@1 222 { &sound1EnvelopeUpDown, sizeof(int32) },
rlm@1 223 { &sound1SweepATL, sizeof(int32) },
rlm@1 224 { &sound1SweepATLReload, sizeof(int32) },
rlm@1 225 { &sound1SweepSteps, sizeof(int32) },
rlm@1 226 { &sound1SweepUpDown, sizeof(int32) },
rlm@1 227 { &sound1SweepStep, sizeof(int32) },
rlm@1 228 { &sound2On, sizeof(int32) },
rlm@1 229 { &sound2ATL, sizeof(int32) },
rlm@1 230 { &sound2Skip, sizeof(int32) },
rlm@1 231 { &sound2Index, sizeof(int32) },
rlm@1 232 { &sound2Continue, sizeof(int32) },
rlm@1 233 { &sound2EnvelopeVolume, sizeof(int32) },
rlm@1 234 { &sound2EnvelopeATL, sizeof(int32) },
rlm@1 235 { &sound2EnvelopeATLReload, sizeof(int32) },
rlm@1 236 { &sound2EnvelopeUpDown, sizeof(int32) },
rlm@1 237 { &sound3On, sizeof(int32) },
rlm@1 238 { &sound3ATL, sizeof(int32) },
rlm@1 239 { &sound3Skip, sizeof(int32) },
rlm@1 240 { &sound3Index, sizeof(int32) },
rlm@1 241 { &sound3Continue, sizeof(int32) },
rlm@1 242 { &sound3OutputLevel, sizeof(int32) },
rlm@1 243 { &sound4On, sizeof(int32) },
rlm@1 244 { &sound4ATL, sizeof(int32) },
rlm@1 245 { &sound4Skip, sizeof(int32) },
rlm@1 246 { &sound4Index, sizeof(int32) },
rlm@1 247 { &sound4Clock, sizeof(int32) },
rlm@1 248 { &sound4ShiftRight, sizeof(int32) },
rlm@1 249 { &sound4ShiftSkip, sizeof(int32) },
rlm@1 250 { &sound4ShiftIndex, sizeof(int32) },
rlm@1 251 { &sound4NSteps, sizeof(int32) },
rlm@1 252 { &sound4CountDown, sizeof(int32) },
rlm@1 253 { &sound4Continue, sizeof(int32) },
rlm@1 254 { &sound4EnvelopeVolume, sizeof(int32) },
rlm@1 255 { &sound4EnvelopeATL, sizeof(int32) },
rlm@1 256 { &sound4EnvelopeATLReload, sizeof(int32) },
rlm@1 257 { &sound4EnvelopeUpDown, sizeof(int32) },
rlm@1 258 { &soundEnableFlag, sizeof(int32) },
rlm@1 259 { &soundControl, sizeof(int32) },
rlm@1 260 { &soundDSFifoAIndex, sizeof(int32) },
rlm@1 261 { &soundDSFifoACount, sizeof(int32) },
rlm@1 262 { &soundDSFifoAWriteIndex, sizeof(int32) },
rlm@1 263 { &soundDSAEnabled, sizeof(bool8) },
rlm@1 264 { &soundDSATimer, sizeof(int32) },
rlm@1 265 { &soundDSFifoA[0], 32 },
rlm@1 266 { &soundDSAValue, sizeof(u8) },
rlm@1 267 { &soundDSFifoBIndex, sizeof(int32) },
rlm@1 268 { &soundDSFifoBCount, sizeof(int32) },
rlm@1 269 { &soundDSFifoBWriteIndex, sizeof(int32) },
rlm@1 270 { &soundDSBEnabled, sizeof(int32) },
rlm@1 271 { &soundDSBTimer, sizeof(int32) },
rlm@1 272 { &soundDSFifoB[0], 32 },
rlm@1 273 { &soundDSBValue_int32, sizeof(int32) }, // save as int32 because of a mistake of the past.
rlm@1 274 { &soundBuffer[0][0], 6 * 735 },
rlm@1 275 { &soundFinalWave[0], 2 * 735 },
rlm@1 276 { NULL, 0 }
rlm@1 277 };
rlm@1 278
rlm@1 279 variable_desc soundSaveStructV2[] = {
rlm@1 280 { &sound3WaveRam[0], 0x20 },
rlm@1 281 { &sound3Bank, sizeof(int32) },
rlm@1 282 { &sound3DataSize, sizeof(int32) },
rlm@1 283 { &sound3ForcedOutput, sizeof(int32) },
rlm@1 284 { NULL, 0 }
rlm@1 285 };
rlm@1 286
rlm@1 287 //variable_desc soundSaveStructV3[] = {
rlm@1 288 // { &soundTicks, sizeof(soundtick_t) },
rlm@1 289 // { &SOUND_CLOCK_TICKS, sizeof(soundtick_t) },
rlm@1 290 // { &USE_TICKS_AS, sizeof(soundtick_t) },
rlm@1 291 // { NULL, 0 }
rlm@1 292 //};
rlm@1 293
rlm@1 294 void soundEvent(u32 address, u8 data)
rlm@1 295 {
rlm@1 296 int freq = 0;
rlm@1 297
rlm@1 298 switch (address)
rlm@1 299 {
rlm@1 300 case NR10:
rlm@1 301 data &= 0x7f;
rlm@1 302 sound1SweepATL = sound1SweepATLReload = 344 * ((data >> 4) & 7);
rlm@1 303 sound1SweepSteps = data & 7;
rlm@1 304 sound1SweepUpDown = data & 0x08;
rlm@1 305 sound1SweepStep = 0;
rlm@1 306 ioMem[address] = data;
rlm@1 307 break;
rlm@1 308 case NR11:
rlm@1 309 sound1Wave = soundWavePattern[data >> 6];
rlm@1 310 sound1ATL = 172 * (64 - (data & 0x3f));
rlm@1 311 ioMem[address] = data;
rlm@1 312 break;
rlm@1 313 case NR12:
rlm@1 314 sound1EnvelopeUpDown = data & 0x08;
rlm@1 315 sound1EnvelopeATLReload = 689 * (data & 7);
rlm@1 316 if ((data & 0xF8) == 0)
rlm@1 317 sound1EnvelopeVolume = 0;
rlm@1 318 ioMem[address] = data;
rlm@1 319 break;
rlm@1 320 case NR13:
rlm@1 321 freq = (((int)(ioMem[NR14] & 7)) << 8) | data;
rlm@1 322 sound1ATL = 172 * (64 - (ioMem[NR11] & 0x3f));
rlm@1 323 freq = 2048 - freq;
rlm@1 324 if (freq)
rlm@1 325 {
rlm@1 326 sound1Skip = SOUND_MAGIC / freq;
rlm@1 327 }
rlm@1 328 else
rlm@1 329 sound1Skip = 0;
rlm@1 330 ioMem[address] = data;
rlm@1 331 break;
rlm@1 332 case NR14:
rlm@1 333 data &= 0xC7;
rlm@1 334 freq = (((int)(data & 7) << 8) | ioMem[NR13]);
rlm@1 335 freq = 2048 - freq;
rlm@1 336 sound1ATL = 172 * (64 - (ioMem[NR11] & 0x3f));
rlm@1 337 sound1Continue = data & 0x40;
rlm@1 338 if (freq)
rlm@1 339 {
rlm@1 340 sound1Skip = SOUND_MAGIC / freq;
rlm@1 341 }
rlm@1 342 else
rlm@1 343 sound1Skip = 0;
rlm@1 344 if (data & 0x80)
rlm@1 345 {
rlm@1 346 ioMem[NR52] |= 1;
rlm@1 347 sound1EnvelopeVolume = ioMem[NR12] >> 4;
rlm@1 348 sound1EnvelopeUpDown = ioMem[NR12] & 0x08;
rlm@1 349 sound1ATL = 172 * (64 - (ioMem[NR11] & 0x3f));
rlm@1 350 sound1EnvelopeATLReload = sound1EnvelopeATL = 689 * (ioMem[NR12] & 7);
rlm@1 351 sound1SweepATL = sound1SweepATLReload = 344 * ((ioMem[NR10] >> 4) & 7);
rlm@1 352 sound1SweepSteps = ioMem[NR10] & 7;
rlm@1 353 sound1SweepUpDown = ioMem[NR10] & 0x08;
rlm@1 354 sound1SweepStep = 0;
rlm@1 355
rlm@1 356 sound1Index = 0;
rlm@1 357 sound1On = 1;
rlm@1 358 }
rlm@1 359 ioMem[address] = data;
rlm@1 360 break;
rlm@1 361 case NR21:
rlm@1 362 sound2Wave = soundWavePattern[data >> 6];
rlm@1 363 sound2ATL = 172 * (64 - (data & 0x3f));
rlm@1 364 ioMem[address] = data;
rlm@1 365 break;
rlm@1 366 case NR22:
rlm@1 367 sound2EnvelopeUpDown = data & 0x08;
rlm@1 368 sound2EnvelopeATLReload = 689 * (data & 7);
rlm@1 369 if ((data & 0xF8) == 0)
rlm@1 370 sound2EnvelopeVolume = 0;
rlm@1 371 ioMem[address] = data;
rlm@1 372 break;
rlm@1 373 case NR23:
rlm@1 374 freq = (((int)(ioMem[NR24] & 7)) << 8) | data;
rlm@1 375 sound2ATL = 172 * (64 - (ioMem[NR21] & 0x3f));
rlm@1 376 freq = 2048 - freq;
rlm@1 377 if (freq)
rlm@1 378 {
rlm@1 379 sound2Skip = SOUND_MAGIC / freq;
rlm@1 380 }
rlm@1 381 else
rlm@1 382 sound2Skip = 0;
rlm@1 383 ioMem[address] = data;
rlm@1 384 break;
rlm@1 385 case NR24:
rlm@1 386 data &= 0xC7;
rlm@1 387 freq = (((int)(data & 7) << 8) | ioMem[NR23]);
rlm@1 388 freq = 2048 - freq;
rlm@1 389 sound2ATL = 172 * (64 - (ioMem[NR21] & 0x3f));
rlm@1 390 sound2Continue = data & 0x40;
rlm@1 391 if (freq)
rlm@1 392 {
rlm@1 393 sound2Skip = SOUND_MAGIC / freq;
rlm@1 394 }
rlm@1 395 else
rlm@1 396 sound2Skip = 0;
rlm@1 397 if (data & 0x80)
rlm@1 398 {
rlm@1 399 ioMem[NR52] |= 2;
rlm@1 400 sound2EnvelopeVolume = ioMem[NR22] >> 4;
rlm@1 401 sound2EnvelopeUpDown = ioMem[NR22] & 0x08;
rlm@1 402 sound2ATL = 172 * (64 - (ioMem[NR21] & 0x3f));
rlm@1 403 sound2EnvelopeATLReload = sound2EnvelopeATL = 689 * (ioMem[NR22] & 7);
rlm@1 404
rlm@1 405 sound2Index = 0;
rlm@1 406 sound2On = 1;
rlm@1 407 }
rlm@1 408 ioMem[address] = data;
rlm@1 409 break;
rlm@1 410 case NR30:
rlm@1 411 data &= 0xe0;
rlm@1 412 if (!(data & 0x80))
rlm@1 413 {
rlm@1 414 ioMem[NR52] &= 0xfb;
rlm@1 415 sound3On = 0;
rlm@1 416 }
rlm@1 417 if (((data >> 6) & 1) != sound3Bank)
rlm@1 418 memcpy(&ioMem[0x90], &sound3WaveRam[(((data >> 6) & 1) * 0x10) ^ 0x10],
rlm@1 419 0x10);
rlm@1 420 sound3Bank = (data >> 6) & 1;
rlm@1 421 sound3DataSize = (data >> 5) & 1;
rlm@1 422 ioMem[address] = data;
rlm@1 423 break;
rlm@1 424 case NR31:
rlm@1 425 sound3ATL = 172 * (256 - data);
rlm@1 426 ioMem[address] = data;
rlm@1 427 break;
rlm@1 428 case NR32:
rlm@1 429 data &= 0xe0;
rlm@1 430 sound3OutputLevel = (data >> 5) & 3;
rlm@1 431 sound3ForcedOutput = (data >> 7) & 1;
rlm@1 432 ioMem[address] = data;
rlm@1 433 break;
rlm@1 434 case NR33:
rlm@1 435 freq = 2048 - (((int)(ioMem[NR34] & 7) << 8) | data);
rlm@1 436 if (freq)
rlm@1 437 {
rlm@1 438 sound3Skip = SOUND_MAGIC_2 / freq;
rlm@1 439 }
rlm@1 440 else
rlm@1 441 sound3Skip = 0;
rlm@1 442 ioMem[address] = data;
rlm@1 443 break;
rlm@1 444 case NR34:
rlm@1 445 data &= 0xc7;
rlm@1 446 freq = 2048 - (((data & 7) << 8) | (int)ioMem[NR33]);
rlm@1 447 if (freq)
rlm@1 448 {
rlm@1 449 sound3Skip = SOUND_MAGIC_2 / freq;
rlm@1 450 }
rlm@1 451 else
rlm@1 452 {
rlm@1 453 sound3Skip = 0;
rlm@1 454 }
rlm@1 455 sound3Continue = data & 0x40;
rlm@1 456 if ((data & 0x80) && (ioMem[NR30] & 0x80))
rlm@1 457 {
rlm@1 458 ioMem[NR52] |= 4;
rlm@1 459 sound3ATL = 172 * (256 - ioMem[NR31]);
rlm@1 460 sound3Index = 0;
rlm@1 461 sound3On = 1;
rlm@1 462 }
rlm@1 463 ioMem[address] = data;
rlm@1 464 break;
rlm@1 465 case NR41:
rlm@1 466 data &= 0x3f;
rlm@1 467 sound4ATL = 172 * (64 - (data & 0x3f));
rlm@1 468 ioMem[address] = data;
rlm@1 469 break;
rlm@1 470 case NR42:
rlm@1 471 sound4EnvelopeUpDown = data & 0x08;
rlm@1 472 sound4EnvelopeATLReload = 689 * (data & 7);
rlm@1 473 if ((data & 0xF8) == 0)
rlm@1 474 sound4EnvelopeVolume = 0;
rlm@1 475 ioMem[address] = data;
rlm@1 476 break;
rlm@1 477 case NR43:
rlm@1 478 freq = soundFreqRatio[data & 7];
rlm@1 479 sound4NSteps = data & 0x08;
rlm@1 480
rlm@1 481 sound4Skip = freq * NOISE_MAGIC;
rlm@1 482
rlm@1 483 sound4Clock = data >> 4;
rlm@1 484
rlm@1 485 freq = freq / soundShiftClock[sound4Clock];
rlm@1 486
rlm@1 487 sound4ShiftSkip = freq * NOISE_MAGIC;
rlm@1 488 ioMem[address] = data;
rlm@1 489 break;
rlm@1 490 case NR44:
rlm@1 491 data &= 0xc0;
rlm@1 492 sound4Continue = data & 0x40;
rlm@1 493 if (data & 0x80)
rlm@1 494 {
rlm@1 495 ioMem[NR52] |= 8;
rlm@1 496 sound4EnvelopeVolume = ioMem[NR42] >> 4;
rlm@1 497 sound4EnvelopeUpDown = ioMem[NR42] & 0x08;
rlm@1 498 sound4ATL = 172 * (64 - (ioMem[NR41] & 0x3f));
rlm@1 499 sound4EnvelopeATLReload = sound4EnvelopeATL = 689 * (ioMem[NR42] & 7);
rlm@1 500
rlm@1 501 sound4On = 1;
rlm@1 502
rlm@1 503 sound4Index = 0;
rlm@1 504 sound4ShiftIndex = 0;
rlm@1 505
rlm@1 506 freq = soundFreqRatio[ioMem[NR43] & 7];
rlm@1 507
rlm@1 508 sound4Skip = freq * NOISE_MAGIC;
rlm@1 509
rlm@1 510 sound4NSteps = ioMem[NR43] & 0x08;
rlm@1 511
rlm@1 512 freq = freq / soundShiftClock[ioMem[NR43] >> 4];
rlm@1 513
rlm@1 514 sound4ShiftSkip = freq * NOISE_MAGIC;
rlm@1 515 if (sound4NSteps)
rlm@1 516 sound4ShiftRight = 0x7f;
rlm@1 517 else
rlm@1 518 sound4ShiftRight = 0x7fff;
rlm@1 519 }
rlm@1 520 ioMem[address] = data;
rlm@1 521 break;
rlm@1 522 case NR50:
rlm@1 523 data &= 0x77;
rlm@1 524 soundLevel1 = data & 7;
rlm@1 525 soundLevel2 = (data >> 4) & 7;
rlm@1 526 ioMem[address] = data;
rlm@1 527 break;
rlm@1 528 case NR51:
rlm@1 529 soundBalance = (data & soundEnableFlag);
rlm@1 530 ioMem[address] = data;
rlm@1 531 break;
rlm@1 532 case NR52:
rlm@1 533 data &= 0x80;
rlm@1 534 data |= ioMem[NR52] & 15;
rlm@1 535 soundMasterOn = data & 0x80;
rlm@1 536 if (!(data & 0x80))
rlm@1 537 {
rlm@1 538 sound1On = 0;
rlm@1 539 sound2On = 0;
rlm@1 540 sound3On = 0;
rlm@1 541 sound4On = 0;
rlm@1 542 }
rlm@1 543 ioMem[address] = data;
rlm@1 544 break;
rlm@1 545 case 0x90:
rlm@1 546 case 0x91:
rlm@1 547 case 0x92:
rlm@1 548 case 0x93:
rlm@1 549 case 0x94:
rlm@1 550 case 0x95:
rlm@1 551 case 0x96:
rlm@1 552 case 0x97:
rlm@1 553 case 0x98:
rlm@1 554 case 0x99:
rlm@1 555 case 0x9a:
rlm@1 556 case 0x9b:
rlm@1 557 case 0x9c:
rlm@1 558 case 0x9d:
rlm@1 559 case 0x9e:
rlm@1 560 case 0x9f:
rlm@1 561 sound3WaveRam[(sound3Bank * 0x10) ^ 0x10 + (address & 15)] = data;
rlm@1 562 break;
rlm@1 563 }
rlm@1 564 }
rlm@1 565
rlm@1 566 void soundEvent(u32 address, u16 data)
rlm@1 567 {
rlm@1 568 switch (address)
rlm@1 569 {
rlm@1 570 case SGCNT0_H:
rlm@1 571 data &= 0xFF0F;
rlm@1 572 soundControl = data & 0x770F;;
rlm@1 573 if (data & 0x0800)
rlm@1 574 {
rlm@1 575 soundDSFifoAWriteIndex = 0;
rlm@1 576 soundDSFifoAIndex = 0;
rlm@1 577 soundDSFifoACount = 0;
rlm@1 578 soundDSAValue = 0;
rlm@1 579 memset(soundDSFifoA, 0, 32);
rlm@1 580 }
rlm@1 581 soundDSAEnabled = (data & 0x0300) ? true : false;
rlm@1 582 soundDSATimer = (data & 0x0400) ? 1 : 0;
rlm@1 583 if (data & 0x8000)
rlm@1 584 {
rlm@1 585 soundDSFifoBWriteIndex = 0;
rlm@1 586 soundDSFifoBIndex = 0;
rlm@1 587 soundDSFifoBCount = 0;
rlm@1 588 soundDSBValue = 0;
rlm@1 589 memset(soundDSFifoB, 0, 32);
rlm@1 590 }
rlm@1 591 soundDSBEnabled = (data & 0x3000) ? true : false;
rlm@1 592 soundDSBTimer = (data & 0x4000) ? 1 : 0;
rlm@1 593 *((u16 *)&ioMem[address]) = data;
rlm@1 594 break;
rlm@1 595 case FIFOA_L:
rlm@1 596 case FIFOA_H:
rlm@1 597 soundDSFifoA[soundDSFifoAWriteIndex++] = data & 0xFF;
rlm@1 598 soundDSFifoA[soundDSFifoAWriteIndex++] = data >> 8;
rlm@1 599 soundDSFifoACount += 2;
rlm@1 600 soundDSFifoAWriteIndex &= 31;
rlm@1 601 *((u16 *)&ioMem[address]) = data;
rlm@1 602 break;
rlm@1 603 case FIFOB_L:
rlm@1 604 case FIFOB_H:
rlm@1 605 soundDSFifoB[soundDSFifoBWriteIndex++] = data & 0xFF;
rlm@1 606 soundDSFifoB[soundDSFifoBWriteIndex++] = data >> 8;
rlm@1 607 soundDSFifoBCount += 2;
rlm@1 608 soundDSFifoBWriteIndex &= 31;
rlm@1 609 *((u16 *)&ioMem[address]) = data;
rlm@1 610 break;
rlm@1 611 case 0x88:
rlm@1 612 data &= 0xC3FF;
rlm@1 613 *((u16 *)&ioMem[address]) = data;
rlm@1 614 break;
rlm@1 615 case 0x90:
rlm@1 616 case 0x92:
rlm@1 617 case 0x94:
rlm@1 618 case 0x96:
rlm@1 619 case 0x98:
rlm@1 620 case 0x9a:
rlm@1 621 case 0x9c:
rlm@1 622 case 0x9e:
rlm@1 623 *((u16 *)&sound3WaveRam[(sound3Bank * 0x10) ^ 0x10 + (address & 14)]) = data;
rlm@1 624 *((u16 *)&ioMem[address]) = data;
rlm@1 625 break;
rlm@1 626 }
rlm@1 627 }
rlm@1 628
rlm@1 629 void soundChannel1()
rlm@1 630 {
rlm@1 631 int vol = sound1EnvelopeVolume;
rlm@1 632
rlm@1 633 int freq = 0;
rlm@1 634 int value = 0;
rlm@1 635
rlm@1 636 if (sound1On && (sound1ATL || !sound1Continue))
rlm@1 637 {
rlm@1 638 sound1Index += soundQuality * sound1Skip;
rlm@1 639 sound1Index &= 0x1fffffff;
rlm@1 640
rlm@1 641 value = ((s8)sound1Wave[sound1Index >> 24]) * vol;
rlm@1 642 }
rlm@1 643
rlm@1 644 soundBuffer[0][soundIndex] = value;
rlm@1 645
rlm@1 646 if (sound1On)
rlm@1 647 {
rlm@1 648 if (sound1ATL)
rlm@1 649 {
rlm@1 650 sound1ATL -= soundQuality;
rlm@1 651
rlm@1 652 if (sound1ATL <= 0 && sound1Continue)
rlm@1 653 {
rlm@1 654 ioMem[NR52] &= 0xfe;
rlm@1 655 sound1On = 0;
rlm@1 656 }
rlm@1 657 }
rlm@1 658
rlm@1 659 if (sound1EnvelopeATL)
rlm@1 660 {
rlm@1 661 sound1EnvelopeATL -= soundQuality;
rlm@1 662
rlm@1 663 if (sound1EnvelopeATL <= 0)
rlm@1 664 {
rlm@1 665 if (sound1EnvelopeUpDown)
rlm@1 666 {
rlm@1 667 if (sound1EnvelopeVolume < 15)
rlm@1 668 sound1EnvelopeVolume++;
rlm@1 669 }
rlm@1 670 else
rlm@1 671 {
rlm@1 672 if (sound1EnvelopeVolume)
rlm@1 673 sound1EnvelopeVolume--;
rlm@1 674 }
rlm@1 675
rlm@1 676 sound1EnvelopeATL += sound1EnvelopeATLReload;
rlm@1 677 }
rlm@1 678 }
rlm@1 679
rlm@1 680 if (sound1SweepATL)
rlm@1 681 {
rlm@1 682 sound1SweepATL -= soundQuality;
rlm@1 683
rlm@1 684 if (sound1SweepATL <= 0)
rlm@1 685 {
rlm@1 686 freq = (((int)(ioMem[NR14] & 7) << 8) | ioMem[NR13]);
rlm@1 687
rlm@1 688 int updown = 1;
rlm@1 689
rlm@1 690 if (sound1SweepUpDown)
rlm@1 691 updown = -1;
rlm@1 692
rlm@1 693 int newfreq = 0;
rlm@1 694 if (sound1SweepSteps)
rlm@1 695 {
rlm@1 696 newfreq = freq + updown * freq / (1 << sound1SweepSteps);
rlm@1 697 if (newfreq == freq)
rlm@1 698 newfreq = 0;
rlm@1 699 }
rlm@1 700 else
rlm@1 701 newfreq = freq;
rlm@1 702
rlm@1 703 if (newfreq < 0)
rlm@1 704 {
rlm@1 705 sound1SweepATL += sound1SweepATLReload;
rlm@1 706 }
rlm@1 707 else if (newfreq > 2047)
rlm@1 708 {
rlm@1 709 sound1SweepATL = 0;
rlm@1 710 sound1On = 0;
rlm@1 711 ioMem[NR52] &= 0xfe;
rlm@1 712 }
rlm@1 713 else
rlm@1 714 {
rlm@1 715 sound1SweepATL += sound1SweepATLReload;
rlm@1 716 sound1Skip = SOUND_MAGIC / (2048 - newfreq);
rlm@1 717
rlm@1 718 ioMem[NR13] = newfreq & 0xff;
rlm@1 719 ioMem[NR14] = (ioMem[NR14] & 0xf8) | ((newfreq >> 8) & 7);
rlm@1 720 }
rlm@1 721 }
rlm@1 722 }
rlm@1 723 }
rlm@1 724 }
rlm@1 725
rlm@1 726 void soundChannel2()
rlm@1 727 {
rlm@1 728 // int freq = 0;
rlm@1 729 int vol = sound2EnvelopeVolume;
rlm@1 730
rlm@1 731 int value = 0;
rlm@1 732
rlm@1 733 if (sound2On && (sound2ATL || !sound2Continue))
rlm@1 734 {
rlm@1 735 sound2Index += soundQuality * sound2Skip;
rlm@1 736 sound2Index &= 0x1fffffff;
rlm@1 737
rlm@1 738 value = ((s8)sound2Wave[sound2Index >> 24]) * vol;
rlm@1 739 }
rlm@1 740
rlm@1 741 soundBuffer[1][soundIndex] = value;
rlm@1 742
rlm@1 743 if (sound2On)
rlm@1 744 {
rlm@1 745 if (sound2ATL)
rlm@1 746 {
rlm@1 747 sound2ATL -= soundQuality;
rlm@1 748
rlm@1 749 if (sound2ATL <= 0 && sound2Continue)
rlm@1 750 {
rlm@1 751 ioMem[NR52] &= 0xfd;
rlm@1 752 sound2On = 0;
rlm@1 753 }
rlm@1 754 }
rlm@1 755
rlm@1 756 if (sound2EnvelopeATL)
rlm@1 757 {
rlm@1 758 sound2EnvelopeATL -= soundQuality;
rlm@1 759
rlm@1 760 if (sound2EnvelopeATL <= 0)
rlm@1 761 {
rlm@1 762 if (sound2EnvelopeUpDown)
rlm@1 763 {
rlm@1 764 if (sound2EnvelopeVolume < 15)
rlm@1 765 sound2EnvelopeVolume++;
rlm@1 766 }
rlm@1 767 else
rlm@1 768 {
rlm@1 769 if (sound2EnvelopeVolume)
rlm@1 770 sound2EnvelopeVolume--;
rlm@1 771 }
rlm@1 772 sound2EnvelopeATL += sound2EnvelopeATLReload;
rlm@1 773 }
rlm@1 774 }
rlm@1 775 }
rlm@1 776 }
rlm@1 777
rlm@1 778 void soundChannel3()
rlm@1 779 {
rlm@1 780 int value = sound3Last;
rlm@1 781
rlm@1 782 if (sound3On && (sound3ATL || !sound3Continue))
rlm@1 783 {
rlm@1 784 sound3Index += soundQuality * sound3Skip;
rlm@1 785 if (sound3DataSize)
rlm@1 786 {
rlm@1 787 sound3Index &= 0x3fffffff;
rlm@1 788 value = sound3WaveRam[sound3Index >> 25];
rlm@1 789 }
rlm@1 790 else
rlm@1 791 {
rlm@1 792 sound3Index &= 0x1fffffff;
rlm@1 793 value = sound3WaveRam[sound3Bank * 0x10 + (sound3Index >> 25)];
rlm@1 794 }
rlm@1 795
rlm@1 796 if ((sound3Index & 0x01000000))
rlm@1 797 {
rlm@1 798 value &= 0x0f;
rlm@1 799 }
rlm@1 800 else
rlm@1 801 {
rlm@1 802 value >>= 4;
rlm@1 803 }
rlm@1 804
rlm@1 805 value -= 8;
rlm@1 806 value *= 2;
rlm@1 807
rlm@1 808 if (sound3ForcedOutput)
rlm@1 809 {
rlm@1 810 value = ((value >> 1) + value) >> 1;
rlm@1 811 }
rlm@1 812 else
rlm@1 813 {
rlm@1 814 switch (sound3OutputLevel)
rlm@1 815 {
rlm@1 816 case 0:
rlm@1 817 value = 0;
rlm@1 818 break;
rlm@1 819 case 1:
rlm@1 820 break;
rlm@1 821 case 2:
rlm@1 822 value = (value >> 1);
rlm@1 823 break;
rlm@1 824 case 3:
rlm@1 825 value = (value >> 2);
rlm@1 826 break;
rlm@1 827 }
rlm@1 828 }
rlm@1 829 //value += 1;
rlm@1 830 sound3Last = value;
rlm@1 831 }
rlm@1 832
rlm@1 833 soundBuffer[2][soundIndex] = value;
rlm@1 834
rlm@1 835 if (sound3On)
rlm@1 836 {
rlm@1 837 if (sound3ATL)
rlm@1 838 {
rlm@1 839 sound3ATL -= soundQuality;
rlm@1 840
rlm@1 841 if (sound3ATL <= 0 && sound3Continue)
rlm@1 842 {
rlm@1 843 ioMem[NR52] &= 0xfb;
rlm@1 844 sound3On = 0;
rlm@1 845 }
rlm@1 846 }
rlm@1 847 }
rlm@1 848 }
rlm@1 849
rlm@1 850 void soundChannel4()
rlm@1 851 {
rlm@1 852 int vol = sound4EnvelopeVolume;
rlm@1 853
rlm@1 854 int value = 0;
rlm@1 855
rlm@1 856 if (sound4Clock <= 0x0c)
rlm@1 857 {
rlm@1 858 if (sound4On && (sound4ATL || !sound4Continue))
rlm@1 859 {
rlm@1 860 #define NOISE_ONE_SAMP_SCALE 0x200000
rlm@1 861
rlm@1 862 sound4Index += soundQuality * sound4Skip;
rlm@1 863 sound4ShiftIndex += soundQuality * sound4ShiftSkip;
rlm@1 864
rlm@1 865 if (sound4NSteps)
rlm@1 866 {
rlm@1 867 while (sound4ShiftIndex >= NOISE_ONE_SAMP_SCALE)
rlm@1 868 {
rlm@1 869 sound4ShiftRight = (((sound4ShiftRight << 6) ^
rlm@1 870 (sound4ShiftRight << 5)) & 0x40) |
rlm@1 871 (sound4ShiftRight >> 1);
rlm@1 872 sound4ShiftIndex -= NOISE_ONE_SAMP_SCALE;
rlm@1 873 }
rlm@1 874 }
rlm@1 875 else
rlm@1 876 {
rlm@1 877 while (sound4ShiftIndex >= NOISE_ONE_SAMP_SCALE)
rlm@1 878 {
rlm@1 879 sound4ShiftRight = (((sound4ShiftRight << 14) ^
rlm@1 880 (sound4ShiftRight << 13)) & 0x4000) |
rlm@1 881 (sound4ShiftRight >> 1);
rlm@1 882
rlm@1 883 sound4ShiftIndex -= NOISE_ONE_SAMP_SCALE;
rlm@1 884 }
rlm@1 885 }
rlm@1 886
rlm@1 887 sound4Index %= NOISE_ONE_SAMP_SCALE;
rlm@1 888 sound4ShiftIndex %= NOISE_ONE_SAMP_SCALE;
rlm@1 889
rlm@1 890 value = ((sound4ShiftRight & 1) * 2 - 1) * vol;
rlm@1 891 }
rlm@1 892 else
rlm@1 893 {
rlm@1 894 value = 0;
rlm@1 895 }
rlm@1 896 }
rlm@1 897
rlm@1 898 soundBuffer[3][soundIndex] = value;
rlm@1 899
rlm@1 900 if (sound4On)
rlm@1 901 {
rlm@1 902 if (sound4ATL)
rlm@1 903 {
rlm@1 904 sound4ATL -= soundQuality;
rlm@1 905
rlm@1 906 if (sound4ATL <= 0 && sound4Continue)
rlm@1 907 {
rlm@1 908 ioMem[NR52] &= 0xfd;
rlm@1 909 sound4On = 0;
rlm@1 910 }
rlm@1 911 }
rlm@1 912
rlm@1 913 if (sound4EnvelopeATL)
rlm@1 914 {
rlm@1 915 sound4EnvelopeATL -= soundQuality;
rlm@1 916
rlm@1 917 if (sound4EnvelopeATL <= 0)
rlm@1 918 {
rlm@1 919 if (sound4EnvelopeUpDown)
rlm@1 920 {
rlm@1 921 if (sound4EnvelopeVolume < 15)
rlm@1 922 sound4EnvelopeVolume++;
rlm@1 923 }
rlm@1 924 else
rlm@1 925 {
rlm@1 926 if (sound4EnvelopeVolume)
rlm@1 927 sound4EnvelopeVolume--;
rlm@1 928 }
rlm@1 929 sound4EnvelopeATL += sound4EnvelopeATLReload;
rlm@1 930 }
rlm@1 931 }
rlm@1 932 }
rlm@1 933 }
rlm@1 934
rlm@1 935 void soundDirectSoundA()
rlm@1 936 {
rlm@1 937 soundBuffer[4][soundIndex] = soundDSAValue;
rlm@1 938 }
rlm@1 939
rlm@1 940 void soundDirectSoundATimer()
rlm@1 941 {
rlm@1 942 if (soundDSAEnabled)
rlm@1 943 {
rlm@1 944 if (soundDSFifoACount <= 16)
rlm@1 945 {
rlm@1 946 CPUCheckDMA(3, 2);
rlm@1 947 if (soundDSFifoACount <= 16)
rlm@1 948 {
rlm@1 949 soundEvent(FIFOA_L, (u16)0);
rlm@1 950 soundEvent(FIFOA_H, (u16)0);
rlm@1 951 soundEvent(FIFOA_L, (u16)0);
rlm@1 952 soundEvent(FIFOA_H, (u16)0);
rlm@1 953 soundEvent(FIFOA_L, (u16)0);
rlm@1 954 soundEvent(FIFOA_H, (u16)0);
rlm@1 955 soundEvent(FIFOA_L, (u16)0);
rlm@1 956 soundEvent(FIFOA_H, (u16)0);
rlm@1 957 }
rlm@1 958 }
rlm@1 959
rlm@1 960 soundDSAValue = (soundDSFifoA[soundDSFifoAIndex]);
rlm@1 961 soundDSFifoAIndex = (++soundDSFifoAIndex) & 31;
rlm@1 962 soundDSFifoACount--;
rlm@1 963 }
rlm@1 964 else
rlm@1 965 soundDSAValue = 0;
rlm@1 966 }
rlm@1 967
rlm@1 968 void soundDirectSoundB()
rlm@1 969 {
rlm@1 970 soundBuffer[5][soundIndex] = soundDSBValue;
rlm@1 971 }
rlm@1 972
rlm@1 973 void soundDirectSoundBTimer()
rlm@1 974 {
rlm@1 975 if (soundDSBEnabled)
rlm@1 976 {
rlm@1 977 if (soundDSFifoBCount <= 16)
rlm@1 978 {
rlm@1 979 CPUCheckDMA(3, 4);
rlm@1 980 if (soundDSFifoBCount <= 16)
rlm@1 981 {
rlm@1 982 soundEvent(FIFOB_L, (u16)0);
rlm@1 983 soundEvent(FIFOB_H, (u16)0);
rlm@1 984 soundEvent(FIFOB_L, (u16)0);
rlm@1 985 soundEvent(FIFOB_H, (u16)0);
rlm@1 986 soundEvent(FIFOB_L, (u16)0);
rlm@1 987 soundEvent(FIFOB_H, (u16)0);
rlm@1 988 soundEvent(FIFOB_L, (u16)0);
rlm@1 989 soundEvent(FIFOB_H, (u16)0);
rlm@1 990 }
rlm@1 991 }
rlm@1 992
rlm@1 993 soundDSBValue = (soundDSFifoB[soundDSFifoBIndex]);
rlm@1 994 soundDSFifoBIndex = (++soundDSFifoBIndex) & 31;
rlm@1 995 soundDSFifoBCount--;
rlm@1 996 }
rlm@1 997 else
rlm@1 998 {
rlm@1 999 soundDSBValue = 0;
rlm@1 1000 }
rlm@1 1001 }
rlm@1 1002
rlm@1 1003 void soundTimerOverflow(int timer)
rlm@1 1004 {
rlm@1 1005 if (soundDSAEnabled && (soundDSATimer == timer))
rlm@1 1006 {
rlm@1 1007 soundDirectSoundATimer();
rlm@1 1008 }
rlm@1 1009 if (soundDSBEnabled && (soundDSBTimer == timer))
rlm@1 1010 {
rlm@1 1011 soundDirectSoundBTimer();
rlm@1 1012 }
rlm@1 1013 }
rlm@1 1014
rlm@1 1015 void soundMix()
rlm@1 1016 {
rlm@1 1017 int res = 0;
rlm@1 1018 int cgbRes = 0;
rlm@1 1019 int ratio = ioMem[0x82] & 3;
rlm@1 1020 int dsaRatio = ioMem[0x82] & 4;
rlm@1 1021 int dsbRatio = ioMem[0x82] & 8;
rlm@1 1022
rlm@1 1023 if (ioMem)
rlm@1 1024 soundBalance = (ioMem[NR51] & soundEnableFlag & ~soundMutedFlag);
rlm@1 1025
rlm@1 1026 if (soundBalance & 16)
rlm@1 1027 {
rlm@1 1028 cgbRes = ((s8)soundBuffer[0][soundIndex]);
rlm@1 1029 }
rlm@1 1030 if (soundBalance & 32)
rlm@1 1031 {
rlm@1 1032 cgbRes += ((s8)soundBuffer[1][soundIndex]);
rlm@1 1033 }
rlm@1 1034 if (soundBalance & 64)
rlm@1 1035 {
rlm@1 1036 cgbRes += ((s8)soundBuffer[2][soundIndex]);
rlm@1 1037 }
rlm@1 1038 if (soundBalance & 128)
rlm@1 1039 {
rlm@1 1040 cgbRes += ((s8)soundBuffer[3][soundIndex]);
rlm@1 1041 }
rlm@1 1042
rlm@1 1043 if ((soundControl & 0x0200) && (soundEnableFlag & 0x100))
rlm@1 1044 {
rlm@1 1045 if (!dsaRatio)
rlm@1 1046 res = ((s8)soundBuffer[4][soundIndex]) >> 1;
rlm@1 1047 else
rlm@1 1048 res = ((s8)soundBuffer[4][soundIndex]);
rlm@1 1049 }
rlm@1 1050
rlm@1 1051 if ((soundControl & 0x2000) && (soundEnableFlag & 0x200))
rlm@1 1052 {
rlm@1 1053 if (!dsbRatio)
rlm@1 1054 res += ((s8)soundBuffer[5][soundIndex]) >> 1;
rlm@1 1055 else
rlm@1 1056 res += ((s8)soundBuffer[5][soundIndex]);
rlm@1 1057 }
rlm@1 1058
rlm@1 1059 res = (res * 170);
rlm@1 1060 cgbRes = (cgbRes * 52 * soundLevel1);
rlm@1 1061
rlm@1 1062 switch (ratio)
rlm@1 1063 {
rlm@1 1064 case 0:
rlm@1 1065 case 3: // prohibited, but 25%
rlm@1 1066 cgbRes >>= 2;
rlm@1 1067 break;
rlm@1 1068 case 1:
rlm@1 1069 cgbRes >>= 1;
rlm@1 1070 break;
rlm@1 1071 case 2:
rlm@1 1072 break;
rlm@1 1073 }
rlm@1 1074
rlm@1 1075 res += cgbRes;
rlm@1 1076
rlm@1 1077 if (soundEcho)
rlm@1 1078 {
rlm@1 1079 res *= 2;
rlm@1 1080 res += soundFilter[soundEchoIndex];
rlm@1 1081 res /= 2;
rlm@1 1082 soundFilter[soundEchoIndex++] = res;
rlm@1 1083 }
rlm@1 1084
rlm@1 1085 if (soundLowPass)
rlm@1 1086 {
rlm@1 1087 soundLeft[4] = soundLeft[3];
rlm@1 1088 soundLeft[3] = soundLeft[2];
rlm@1 1089 soundLeft[2] = soundLeft[1];
rlm@1 1090 soundLeft[1] = soundLeft[0];
rlm@1 1091 soundLeft[0] = res;
rlm@1 1092 res = (soundLeft[4] + 2 * soundLeft[3] + 8 * soundLeft[2] + 2 * soundLeft[1] +
rlm@1 1093 soundLeft[0]) / 14;
rlm@1 1094 }
rlm@1 1095
rlm@1 1096 bool noSpecialEffects = false;
rlm@1 1097 #if (defined(WIN32) && !defined(SDL))
rlm@1 1098 if (theApp.soundRecording || theApp.aviRecording || theApp.nvAudioLog)
rlm@1 1099 noSpecialEffects = true;
rlm@1 1100 #endif
rlm@1 1101
rlm@1 1102 if (!noSpecialEffects)
rlm@1 1103 {
rlm@1 1104 switch (soundVolume)
rlm@1 1105 {
rlm@1 1106 case 0:
rlm@1 1107 case 1:
rlm@1 1108 case 2:
rlm@1 1109 case 3:
rlm@1 1110 res *= (soundVolume + 1);
rlm@1 1111 break;
rlm@1 1112 case 4:
rlm@1 1113 res >>= 2;
rlm@1 1114 break;
rlm@1 1115 case 5:
rlm@1 1116 res >>= 1;
rlm@1 1117 break;
rlm@1 1118 }
rlm@1 1119 }
rlm@1 1120
rlm@1 1121 if (res > 32767)
rlm@1 1122 res = 32767;
rlm@1 1123 if (res < -32768)
rlm@1 1124 res = -32768;
rlm@1 1125
rlm@1 1126 if (soundReverse && !noSpecialEffects)
rlm@1 1127 {
rlm@1 1128 soundFinalWave[++soundBufferIndex] = res;
rlm@1 1129 if ((soundFrameSoundWritten + 1) >= countof(soundFrameSound))
rlm@1 1130 /*assert(false)*/;
rlm@1 1131 else
rlm@1 1132 soundFrameSound[++soundFrameSoundWritten] = res;
rlm@1 1133 }
rlm@1 1134 else
rlm@1 1135 {
rlm@1 1136 soundFinalWave[soundBufferIndex++] = res;
rlm@1 1137 if (soundFrameSoundWritten >= countof(soundFrameSound))
rlm@1 1138 /*assert(false)*/;
rlm@1 1139 else
rlm@1 1140 soundFrameSound[soundFrameSoundWritten++] = res;
rlm@1 1141 }
rlm@1 1142
rlm@1 1143 res = 0;
rlm@1 1144 cgbRes = 0;
rlm@1 1145
rlm@1 1146 if (soundBalance & 1)
rlm@1 1147 {
rlm@1 1148 cgbRes = ((s8)soundBuffer[0][soundIndex]);
rlm@1 1149 }
rlm@1 1150 if (soundBalance & 2)
rlm@1 1151 {
rlm@1 1152 cgbRes += ((s8)soundBuffer[1][soundIndex]);
rlm@1 1153 }
rlm@1 1154 if (soundBalance & 4)
rlm@1 1155 {
rlm@1 1156 cgbRes += ((s8)soundBuffer[2][soundIndex]);
rlm@1 1157 }
rlm@1 1158 if (soundBalance & 8)
rlm@1 1159 {
rlm@1 1160 cgbRes += ((s8)soundBuffer[3][soundIndex]);
rlm@1 1161 }
rlm@1 1162
rlm@1 1163 if ((soundControl & 0x0100) && (soundEnableFlag & 0x100))
rlm@1 1164 {
rlm@1 1165 if (!dsaRatio)
rlm@1 1166 res = ((s8)soundBuffer[4][soundIndex]) >> 1;
rlm@1 1167 else
rlm@1 1168 res = ((s8)soundBuffer[4][soundIndex]);
rlm@1 1169 }
rlm@1 1170
rlm@1 1171 if ((soundControl & 0x1000) && (soundEnableFlag & 0x200))
rlm@1 1172 {
rlm@1 1173 if (!dsbRatio)
rlm@1 1174 res += ((s8)soundBuffer[5][soundIndex]) >> 1;
rlm@1 1175 else
rlm@1 1176 res += ((s8)soundBuffer[5][soundIndex]);
rlm@1 1177 }
rlm@1 1178
rlm@1 1179 res = (res * 170);
rlm@1 1180 cgbRes = (cgbRes * 52 * soundLevel1);
rlm@1 1181
rlm@1 1182 switch (ratio)
rlm@1 1183 {
rlm@1 1184 case 0:
rlm@1 1185 case 3: // prohibited, but 25%
rlm@1 1186 cgbRes >>= 2;
rlm@1 1187 break;
rlm@1 1188 case 1:
rlm@1 1189 cgbRes >>= 1;
rlm@1 1190 break;
rlm@1 1191 case 2:
rlm@1 1192 break;
rlm@1 1193 }
rlm@1 1194
rlm@1 1195 res += cgbRes;
rlm@1 1196
rlm@1 1197 if (soundEcho)
rlm@1 1198 {
rlm@1 1199 res *= 2;
rlm@1 1200 res += soundFilter[soundEchoIndex];
rlm@1 1201 res /= 2;
rlm@1 1202 soundFilter[soundEchoIndex++] = res;
rlm@1 1203
rlm@1 1204 if (soundEchoIndex >= 4000)
rlm@1 1205 soundEchoIndex = 0;
rlm@1 1206 }
rlm@1 1207
rlm@1 1208 if (soundLowPass)
rlm@1 1209 {
rlm@1 1210 soundRight[4] = soundRight[3];
rlm@1 1211 soundRight[3] = soundRight[2];
rlm@1 1212 soundRight[2] = soundRight[1];
rlm@1 1213 soundRight[1] = soundRight[0];
rlm@1 1214 soundRight[0] = res;
rlm@1 1215 res = (soundRight[4] + 2 * soundRight[3] + 8 * soundRight[2] + 2 * soundRight[1] +
rlm@1 1216 soundRight[0]) / 14;
rlm@1 1217 }
rlm@1 1218
rlm@1 1219 if (!noSpecialEffects)
rlm@1 1220 {
rlm@1 1221 switch (soundVolume)
rlm@1 1222 {
rlm@1 1223 case 0:
rlm@1 1224 case 1:
rlm@1 1225 case 2:
rlm@1 1226 case 3:
rlm@1 1227 res *= (soundVolume + 1);
rlm@1 1228 break;
rlm@1 1229 case 4:
rlm@1 1230 res >>= 2;
rlm@1 1231 break;
rlm@1 1232 case 5:
rlm@1 1233 res >>= 1;
rlm@1 1234 break;
rlm@1 1235 }
rlm@1 1236 }
rlm@1 1237
rlm@1 1238 if (res > 32767)
rlm@1 1239 res = 32767;
rlm@1 1240 if (res < -32768)
rlm@1 1241 res = -32768;
rlm@1 1242
rlm@1 1243 if (soundReverse && !noSpecialEffects)
rlm@1 1244 {
rlm@1 1245 soundFinalWave[-1 + soundBufferIndex++] = res;
rlm@1 1246 if ((soundFrameSoundWritten) >= countof(soundFrameSound))
rlm@1 1247 /*assert(false)*/;
rlm@1 1248 else
rlm@1 1249 soundFrameSound[-1 + soundFrameSoundWritten++] = res;
rlm@1 1250 }
rlm@1 1251 else
rlm@1 1252 {
rlm@1 1253 soundFinalWave[soundBufferIndex++] = res;
rlm@1 1254 if ((soundFrameSoundWritten + 1) >= countof(soundFrameSound))
rlm@1 1255 /*assert(false)*/;
rlm@1 1256 else
rlm@1 1257 soundFrameSound[soundFrameSoundWritten++] = res;
rlm@1 1258 }
rlm@1 1259 }
rlm@1 1260
rlm@1 1261 void soundTick()
rlm@1 1262 {
rlm@1 1263 if (systemSoundOn)
rlm@1 1264 {
rlm@1 1265 if (soundMasterOn && !stopState)
rlm@1 1266 {
rlm@1 1267 soundChannel1();
rlm@1 1268 soundChannel2();
rlm@1 1269 soundChannel3();
rlm@1 1270 soundChannel4();
rlm@1 1271 soundDirectSoundA();
rlm@1 1272 soundDirectSoundB();
rlm@1 1273 soundMix();
rlm@1 1274 }
rlm@1 1275 else
rlm@1 1276 {
rlm@1 1277 soundFinalWave[soundBufferIndex++] = 0;
rlm@1 1278 soundFinalWave[soundBufferIndex++] = 0;
rlm@1 1279 if ((soundFrameSoundWritten + 1) >= countof(soundFrameSound))
rlm@1 1280 /*assert(false)*/;
rlm@1 1281 else
rlm@1 1282 {
rlm@1 1283 soundFrameSound[soundFrameSoundWritten++] = 0;
rlm@1 1284 soundFrameSound[soundFrameSoundWritten++] = 0;
rlm@1 1285 }
rlm@1 1286 }
rlm@1 1287
rlm@1 1288 soundIndex++;
rlm@1 1289
rlm@1 1290 if (2 * soundBufferIndex >= soundBufferLen)
rlm@1 1291 {
rlm@1 1292 if (systemSoundOn)
rlm@1 1293 {
rlm@1 1294 if (soundPaused)
rlm@1 1295 {
rlm@1 1296 soundResume();
rlm@1 1297 }
rlm@1 1298
rlm@1 1299 systemSoundWriteToBuffer();
rlm@1 1300 }
rlm@1 1301 soundIndex = 0;
rlm@1 1302 soundBufferIndex = 0;
rlm@1 1303 }
rlm@1 1304 }
rlm@1 1305 }
rlm@1 1306
rlm@1 1307 void soundShutdown()
rlm@1 1308 {
rlm@1 1309 systemSoundShutdown();
rlm@1 1310 }
rlm@1 1311
rlm@1 1312 void soundPause()
rlm@1 1313 {
rlm@1 1314 systemSoundPause();
rlm@1 1315 }
rlm@1 1316
rlm@1 1317 void soundResume()
rlm@1 1318 {
rlm@1 1319 systemSoundResume();
rlm@1 1320 }
rlm@1 1321
rlm@1 1322 void soundEnableChannels(int channels)
rlm@1 1323 {
rlm@1 1324 int c = (channels & 0x0f) << 4;
rlm@1 1325 soundEnableFlag |= ((channels & 0x30f) | c);
rlm@1 1326 }
rlm@1 1327
rlm@1 1328 void soundDisableChannels(int channels)
rlm@1 1329 {
rlm@1 1330 int c = (channels & 0x0f) << 4;
rlm@1 1331 soundEnableFlag &= ~((channels & 0x30f) | c);
rlm@1 1332 }
rlm@1 1333
rlm@1 1334 int soundGetEnabledChannels()
rlm@1 1335 {
rlm@1 1336 return (soundEnableFlag & 0x30f);
rlm@1 1337 }
rlm@1 1338
rlm@1 1339 #if 0
rlm@1 1340 // unused
rlm@1 1341 void soundMuteChannels(int channels)
rlm@1 1342 {
rlm@1 1343 soundMutedFlag |= channels & 0x30f;
rlm@1 1344 }
rlm@1 1345
rlm@1 1346 void soundUnmuteChannels(int channels)
rlm@1 1347 {
rlm@1 1348 soundMutedFlag &= ~(channels & 0x30f);
rlm@1 1349 }
rlm@1 1350
rlm@1 1351 int soundGetMutedChannels()
rlm@1 1352 {
rlm@1 1353 return (soundMutedFlag & 0x30f);
rlm@1 1354 }
rlm@1 1355 #endif
rlm@1 1356
rlm@1 1357 void soundReset()
rlm@1 1358 {
rlm@1 1359 systemSoundReset();
rlm@1 1360
rlm@1 1361 soundPaused = 1;
rlm@1 1362 soundPlay = 0;
rlm@1 1363 SOUND_CLOCK_TICKS = soundQuality * USE_TICKS_AS;
rlm@1 1364 soundTicks = SOUND_CLOCK_TICKS;
rlm@1 1365 soundNextPosition = 0;
rlm@1 1366 soundMasterOn = 1;
rlm@1 1367 soundIndex = 0;
rlm@1 1368 soundBufferIndex = 0;
rlm@1 1369 soundLevel1 = 7;
rlm@1 1370 soundLevel2 = 7;
rlm@1 1371
rlm@1 1372 sound1On = 0;
rlm@1 1373 sound1ATL = 0;
rlm@1 1374 sound1Skip = 0;
rlm@1 1375 sound1Index = 0;
rlm@1 1376 sound1Continue = 0;
rlm@1 1377 sound1EnvelopeVolume = 0;
rlm@1 1378 sound1EnvelopeATL = 0;
rlm@1 1379 sound1EnvelopeUpDown = 0;
rlm@1 1380 sound1EnvelopeATLReload = 0;
rlm@1 1381 sound1SweepATL = 0;
rlm@1 1382 sound1SweepATLReload = 0;
rlm@1 1383 sound1SweepSteps = 0;
rlm@1 1384 sound1SweepUpDown = 0;
rlm@1 1385 sound1SweepStep = 0;
rlm@1 1386 sound1Wave = soundWavePattern[2];
rlm@1 1387
rlm@1 1388 sound2On = 0;
rlm@1 1389 sound2ATL = 0;
rlm@1 1390 sound2Skip = 0;
rlm@1 1391 sound2Index = 0;
rlm@1 1392 sound2Continue = 0;
rlm@1 1393 sound2EnvelopeVolume = 0;
rlm@1 1394 sound2EnvelopeATL = 0;
rlm@1 1395 sound2EnvelopeUpDown = 0;
rlm@1 1396 sound2EnvelopeATLReload = 0;
rlm@1 1397 sound2Wave = soundWavePattern[2];
rlm@1 1398
rlm@1 1399 sound3On = 0;
rlm@1 1400 sound3ATL = 0;
rlm@1 1401 sound3Skip = 0;
rlm@1 1402 sound3Index = 0;
rlm@1 1403 sound3Continue = 0;
rlm@1 1404 sound3OutputLevel = 0;
rlm@1 1405 sound3Last = 0;
rlm@1 1406 sound3Bank = 0;
rlm@1 1407 sound3DataSize = 0;
rlm@1 1408 sound3ForcedOutput = 0;
rlm@1 1409
rlm@1 1410 sound4On = 0;
rlm@1 1411 sound4Clock = 0;
rlm@1 1412 sound4ATL = 0;
rlm@1 1413 sound4Skip = 0;
rlm@1 1414 sound4Index = 0;
rlm@1 1415 sound4ShiftRight = 0x7f;
rlm@1 1416 sound4NSteps = 0;
rlm@1 1417 sound4CountDown = 0;
rlm@1 1418 sound4Continue = 0;
rlm@1 1419 sound4EnvelopeVolume = 0;
rlm@1 1420 sound4EnvelopeATL = 0;
rlm@1 1421 sound4EnvelopeUpDown = 0;
rlm@1 1422 sound4EnvelopeATLReload = 0;
rlm@1 1423
rlm@1 1424 sound1On = 0;
rlm@1 1425 sound2On = 0;
rlm@1 1426 sound3On = 0;
rlm@1 1427 sound4On = 0;
rlm@1 1428
rlm@1 1429 int addr = 0x90;
rlm@1 1430
rlm@1 1431 while (addr < 0xA0)
rlm@1 1432 {
rlm@1 1433 ioMem[addr++] = 0x00;
rlm@1 1434 ioMem[addr++] = 0xff;
rlm@1 1435 }
rlm@1 1436
rlm@1 1437 addr = 0;
rlm@1 1438 while (addr < 0x20)
rlm@1 1439 {
rlm@1 1440 sound3WaveRam[addr++] = 0x00;
rlm@1 1441 sound3WaveRam[addr++] = 0xff;
rlm@1 1442 }
rlm@1 1443
rlm@1 1444 memset(soundFinalWave, 0, soundBufferLen);
rlm@1 1445
rlm@1 1446 memset(soundFilter, 0, sizeof(soundFilter));
rlm@1 1447 soundEchoIndex = 0;
rlm@1 1448 }
rlm@1 1449
rlm@1 1450 bool soundInit()
rlm@1 1451 {
rlm@1 1452 if (systemSoundInit())
rlm@1 1453 {
rlm@1 1454 memset(soundBuffer[0], 0, 735 * 2);
rlm@1 1455 memset(soundBuffer[1], 0, 735 * 2);
rlm@1 1456 memset(soundBuffer[2], 0, 735 * 2);
rlm@1 1457 memset(soundBuffer[3], 0, 735 * 2);
rlm@1 1458
rlm@1 1459 memset(soundFinalWave, 0, soundBufferLen);
rlm@1 1460
rlm@1 1461 soundPaused = 1;
rlm@1 1462 return true;
rlm@1 1463 }
rlm@1 1464 return false;
rlm@1 1465 }
rlm@1 1466
rlm@1 1467 void soundSetQuality(int quality)
rlm@1 1468 {
rlm@1 1469 if (soundQuality != quality && systemSoundCanChangeQuality())
rlm@1 1470 {
rlm@1 1471 if (!soundOffFlag)
rlm@1 1472 soundShutdown();
rlm@1 1473 soundQuality = quality;
rlm@1 1474 soundNextPosition = 0;
rlm@1 1475 if (!soundOffFlag)
rlm@1 1476 soundInit();
rlm@1 1477 SOUND_CLOCK_TICKS = USE_TICKS_AS * soundQuality;
rlm@1 1478 soundIndex = 0;
rlm@1 1479 soundBufferIndex = 0;
rlm@1 1480 }
rlm@1 1481 else if (soundQuality != quality)
rlm@1 1482 {
rlm@1 1483 soundNextPosition = 0;
rlm@1 1484 SOUND_CLOCK_TICKS = USE_TICKS_AS * soundQuality;
rlm@1 1485 soundIndex = 0;
rlm@1 1486 soundBufferIndex = 0;
rlm@1 1487 }
rlm@1 1488 }
rlm@1 1489
rlm@1 1490 void soundSaveGame(gzFile gzFile)
rlm@1 1491 {
rlm@1 1492 soundTicks_int32 = (int32) soundTicks;
rlm@1 1493 SOUND_CLOCK_TICKS_int32 = (int32) SOUND_CLOCK_TICKS;
rlm@1 1494 soundDSBValue_int32 = (int32) soundDSBValue;
rlm@1 1495
rlm@1 1496 utilWriteData(gzFile, soundSaveStruct);
rlm@1 1497 utilWriteData(gzFile, soundSaveStructV2);
rlm@1 1498
rlm@1 1499 utilGzWrite(gzFile, &soundQuality, sizeof(int32));
rlm@1 1500 //utilWriteData(gzFile, soundSaveStructV3);
rlm@1 1501 }
rlm@1 1502
rlm@1 1503 void soundReadGame(gzFile gzFile, int version)
rlm@1 1504 {
rlm@1 1505 int32 oldSoundPaused = soundPaused;
rlm@1 1506 int32 oldSoundEnableFlag = soundEnableFlag;
rlm@1 1507 utilReadData(gzFile, soundSaveStruct);
rlm@1 1508 soundPaused = oldSoundPaused;
rlm@1 1509 soundEnableFlag = oldSoundEnableFlag;
rlm@1 1510
rlm@1 1511 if (version >= SAVE_GAME_VERSION_3)
rlm@1 1512 {
rlm@1 1513 utilReadData(gzFile, soundSaveStructV2);
rlm@1 1514 }
rlm@1 1515 else
rlm@1 1516 {
rlm@1 1517 sound3Bank = (ioMem[NR30] >> 6) & 1;
rlm@1 1518 sound3DataSize = (ioMem[NR30] >> 5) & 1;
rlm@1 1519 sound3ForcedOutput = (ioMem[NR32] >> 7) & 1;
rlm@1 1520 // nothing better to do here...
rlm@1 1521 memcpy(&sound3WaveRam[0x00], &ioMem[0x90], 0x10);
rlm@1 1522 memcpy(&sound3WaveRam[0x10], &ioMem[0x90], 0x10);
rlm@1 1523 }
rlm@1 1524 soundBufferIndex = soundIndex * 2;
rlm@1 1525
rlm@1 1526 int quality = 1;
rlm@1 1527 utilGzRead(gzFile, &quality, sizeof(int32));
rlm@1 1528 soundSetQuality(quality);
rlm@1 1529
rlm@1 1530 sound1Wave = soundWavePattern[ioMem[NR11] >> 6];
rlm@1 1531 sound2Wave = soundWavePattern[ioMem[NR21] >> 6];
rlm@1 1532
rlm@1 1533 //if(version >= SAVE_GAME_VERSION_14) {
rlm@1 1534 // utilReadData(gzFile, soundSaveStructV3);
rlm@1 1535 //}
rlm@1 1536 //else {
rlm@1 1537 soundTicks = (soundtick_t) soundTicks_int32;
rlm@1 1538 SOUND_CLOCK_TICKS = (soundtick_t) SOUND_CLOCK_TICKS_int32;
rlm@1 1539 //}
rlm@1 1540 soundDSBValue = (u8) (soundDSBValue_int32 & 0xff);
rlm@1 1541 }
rlm@1 1542