mirror of
https://github.com/dborth/vbagx.git
synced 2024-12-27 11:11:50 +01:00
1066 lines
27 KiB
C++
1066 lines
27 KiB
C++
// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
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// Copyright (C) 1999-2003 Forgotten
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// Copyright (C) 2004 Forgotten and the VBA development team
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2, or(at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include <string.h>
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#include "../System.h"
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#include "../Util.h"
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#include "gbGlobals.h"
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#include "gbSound.h"
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extern u8 soundBuffer[6][735];
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extern u16 soundFinalWave[1470];
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extern int soundVolume;
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#define SOUND_MAGIC 0x60000000
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#define SOUND_MAGIC_2 0x30000000
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#define NOISE_MAGIC 5
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extern int speed;
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extern void soundResume();
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extern u8 soundWavePattern[4][32];
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extern int soundBufferLen;
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extern int soundBufferTotalLen;
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extern int soundQuality;
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extern int soundPaused;
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extern int soundPlay;
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extern int soundTicks;
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extern int SOUND_CLOCK_TICKS;
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extern u32 soundNextPosition;
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extern int soundLevel1;
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extern int soundLevel2;
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extern int soundBalance;
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extern int soundMasterOn;
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extern int soundIndex;
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extern int soundBufferIndex;
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int soundVIN = 0;
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extern int soundDebug;
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extern int sound1On;
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extern int sound1ATL;
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extern int sound1Skip;
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extern int sound1Index;
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extern int sound1Continue;
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extern int sound1EnvelopeVolume;
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extern int sound1EnvelopeATL;
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extern int sound1EnvelopeUpDown;
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extern int sound1EnvelopeATLReload;
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extern int sound1SweepATL;
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extern int sound1SweepATLReload;
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extern int sound1SweepSteps;
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extern int sound1SweepUpDown;
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extern int sound1SweepStep;
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extern u8 *sound1Wave;
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extern int sound2On;
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extern int sound2ATL;
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extern int sound2Skip;
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extern int sound2Index;
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extern int sound2Continue;
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extern int sound2EnvelopeVolume;
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extern int sound2EnvelopeATL;
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extern int sound2EnvelopeUpDown;
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extern int sound2EnvelopeATLReload;
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extern u8 *sound2Wave;
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extern int sound3On;
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extern int sound3ATL;
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extern int sound3Skip;
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extern int sound3Index;
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extern int sound3Continue;
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extern int sound3OutputLevel;
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extern int sound3Last;
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extern int sound4On;
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extern int sound4Clock;
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extern int sound4ATL;
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extern int sound4Skip;
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extern int sound4Index;
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extern int sound4ShiftRight;
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extern int sound4ShiftSkip;
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extern int sound4ShiftIndex;
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extern int sound4NSteps;
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extern int sound4CountDown;
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extern int sound4Continue;
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extern int sound4EnvelopeVolume;
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extern int sound4EnvelopeATL;
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extern int sound4EnvelopeUpDown;
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extern int sound4EnvelopeATLReload;
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extern int soundEnableFlag;
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extern int soundFreqRatio[8];
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extern int soundShiftClock[16];
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extern s16 soundFilter[4000];
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extern s16 soundLeft[5];
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extern s16 soundRight[5];
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extern int soundEchoIndex;
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extern bool soundEcho;
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extern bool soundLowPass;
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extern bool soundReverse;
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extern bool soundOffFlag;
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bool gbDigitalSound = false;
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void gbSoundEvent(register u16 address, register int data)
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{
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int freq = 0;
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gbMemory[address] = data;
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#ifndef FINAL_VERSION
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if(soundDebug)
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{
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// don't translate. debug only
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log("Sound event: %08lx %02x\n", address, data);
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}
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#endif
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switch(address)
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{
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case NR10:
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sound1SweepATL = sound1SweepATLReload = 344 * ((data >> 4) & 7);
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sound1SweepSteps = data & 7;
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sound1SweepUpDown = data & 0x08;
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sound1SweepStep = 0;
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break;
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case NR11:
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sound1Wave = soundWavePattern[data >> 6];
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sound1ATL = 172 * (64 - (data & 0x3f));
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break;
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case NR12:
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sound1EnvelopeVolume = data >> 4;
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sound1EnvelopeUpDown = data & 0x08;
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sound1EnvelopeATLReload = sound1EnvelopeATL = 689 * (data & 7);
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break;
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case NR13:
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freq = (((int)(gbMemory[NR14] & 7)) << 8) | data;
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sound1ATL = 172 * (64 - (gbMemory[NR11] & 0x3f));
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freq = 2048 - freq;
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if(freq)
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{
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sound1Skip = SOUND_MAGIC / freq;
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}
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else
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sound1Skip = 0;
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break;
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case NR14:
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freq = (((int)(data&7) << 8) | gbMemory[NR13]);
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freq = 2048 - freq;
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sound1ATL = 172 * (64 - (gbMemory[NR11] & 0x3f));
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sound1Continue = data & 0x40;
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if(freq)
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{
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sound1Skip = SOUND_MAGIC / freq;
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}
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else
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sound1Skip = 0;
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if(data & 0x80)
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{
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gbMemory[NR52] |= 1;
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sound1EnvelopeVolume = gbMemory[NR12] >> 4;
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sound1EnvelopeUpDown = gbMemory[NR12] & 0x08;
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sound1ATL = 172 * (64 - (gbMemory[NR11] & 0x3f));
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sound1EnvelopeATLReload = sound1EnvelopeATL = 689 * (gbMemory[NR12] & 7);
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sound1SweepATL = sound1SweepATLReload = 344 * ((gbMemory[NR10] >> 4) & 7);
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sound1SweepSteps = gbMemory[NR10] & 7;
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sound1SweepUpDown = gbMemory[NR10] & 0x08;
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sound1SweepStep = 0;
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sound1Index = 0;
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sound1On = 1;
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}
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break;
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case NR21:
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sound2Wave = soundWavePattern[data >> 6];
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sound2ATL = 172 * (64 - (data & 0x3f));
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break;
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case NR22:
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sound2EnvelopeVolume = data >> 4;
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sound2EnvelopeUpDown = data & 0x08;
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sound2EnvelopeATLReload = sound2EnvelopeATL = 689 * (data & 7);
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break;
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case NR23:
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freq = (((int)(gbMemory[NR24] & 7)) << 8) | data;
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sound2ATL = 172 * (64 - (gbMemory[NR21] & 0x3f));
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freq = 2048 - freq;
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if(freq)
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{
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sound2Skip = SOUND_MAGIC / freq;
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}
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else
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sound2Skip = 0;
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break;
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case NR24:
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freq = (((int)(data&7) << 8) | gbMemory[NR23]);
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freq = 2048 - freq;
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sound2ATL = 172 * (64 - (gbMemory[NR21] & 0x3f));
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sound2Continue = data & 0x40;
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if(freq)
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{
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sound2Skip = SOUND_MAGIC / freq;
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}
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else
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sound2Skip = 0;
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if(data & 0x80)
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{
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gbMemory[NR52] |= 2;
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sound2EnvelopeVolume = gbMemory[NR22] >> 4;
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sound2EnvelopeUpDown = gbMemory[NR22] & 0x08;
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sound2ATL = 172 * (64 - (gbMemory[NR21] & 0x3f));
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sound2EnvelopeATLReload = sound2EnvelopeATL = 689 * (gbMemory[NR22] & 7);
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sound2Index = 0;
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sound2On = 1;
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}
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break;
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case NR30:
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if(!(data & 0x80))
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{
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gbMemory[NR52] &= 0xfb;
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sound3On = 0;
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}
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break;
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case NR31:
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sound3ATL = 172 * (256-data);
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break;
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case NR32:
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sound3OutputLevel = (data >> 5) & 3;
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break;
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case NR33:
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freq = 2048 - (((int)(gbMemory[NR34]&7) << 8) | data);
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if(freq)
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{
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sound3Skip = SOUND_MAGIC_2 / freq;
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}
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else
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sound3Skip = 0;
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break;
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case NR34:
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freq = 2048 - (((data &7) << 8) | (int)gbMemory[NR33]);
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if(freq)
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{
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sound3Skip = SOUND_MAGIC_2 / freq;
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}
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else
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{
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sound3Skip = 0;
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}
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sound3Continue = data & 0x40;
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if((data & 0x80) && (gbMemory[NR30] & 0x80))
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{
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gbMemory[NR52] |= 4;
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sound3ATL = 172 * (256 - gbMemory[NR31]);
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sound3Index = 0;
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sound3On = 1;
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}
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break;
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case NR41:
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sound4ATL = 172 * (64 - (data & 0x3f));
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break;
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case NR42:
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sound4EnvelopeVolume = data >> 4;
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sound4EnvelopeUpDown = data & 0x08;
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sound4EnvelopeATLReload = sound4EnvelopeATL = 689 * (data & 7);
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break;
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case NR43:
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freq = soundFreqRatio[data & 7];
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sound4NSteps = data & 0x08;
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sound4Skip = (freq << 8) / NOISE_MAGIC;
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sound4Clock = data >> 4;
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freq = freq / soundShiftClock[sound4Clock];
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sound4ShiftSkip = (freq << 8) / NOISE_MAGIC;
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break;
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case NR44:
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sound4Continue = data & 0x40;
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if(data & 0x80)
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{
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gbMemory[NR52] |= 8;
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sound4EnvelopeVolume = gbMemory[NR42] >> 4;
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sound4EnvelopeUpDown = gbMemory[NR42] & 0x08;
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sound4ATL = 172 * (64 - (gbMemory[NR41] & 0x3f));
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sound4EnvelopeATLReload = sound4EnvelopeATL = 689 * (gbMemory[NR42] & 7);
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sound4On = 1;
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sound4Index = 0;
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sound4ShiftIndex = 0;
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freq = soundFreqRatio[gbMemory[NR43] & 7];
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sound4Skip = (freq << 8) / NOISE_MAGIC;
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sound4NSteps = gbMemory[NR43] & 0x08;
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freq = freq / soundShiftClock[gbMemory[NR43] >> 4];
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sound4ShiftSkip = (freq << 8) / NOISE_MAGIC;
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if(sound4NSteps)
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sound4ShiftRight = 0x7fff;
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else
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sound4ShiftRight = 0x7f;
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}
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break;
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case NR50:
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soundVIN = data & 0x88;
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soundLevel1 = data & 7;
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soundLevel2 = (data >> 4) & 7;
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break;
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case NR51:
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soundBalance = (data & soundEnableFlag);
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break;
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case NR52:
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soundMasterOn = data & 0x80;
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if(!(data & 0x80))
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{
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sound1On = 0;
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sound2On = 0;
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sound3On = 0;
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sound4On = 0;
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}
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break;
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}
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gbDigitalSound = true;
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if(sound1On && sound1EnvelopeVolume != 0)
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gbDigitalSound = false;
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if(sound2On && sound2EnvelopeVolume != 0)
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gbDigitalSound = false;
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if(sound3On && sound3OutputLevel != 0)
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gbDigitalSound = false;
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if(sound4On && sound4EnvelopeVolume != 0)
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gbDigitalSound = false;
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}
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void gbSoundChannel1()
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{
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int vol = sound1EnvelopeVolume;
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int freq = 0;
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int value = 0;
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if(sound1On && (sound1ATL || !sound1Continue))
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{
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sound1Index += soundQuality*sound1Skip;
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sound1Index &= 0x1fffffff;
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value = ((s8)sound1Wave[sound1Index>>24]) * vol;
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}
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soundBuffer[0][soundIndex] = value;
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if(sound1On)
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{
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if(sound1ATL)
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{
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sound1ATL-=soundQuality;
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if(sound1ATL <=0 && sound1Continue)
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{
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gbMemory[NR52] &= 0xfe;
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sound1On = 0;
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}
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}
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if(sound1EnvelopeATL)
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{
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sound1EnvelopeATL-=soundQuality;
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if(sound1EnvelopeATL<=0)
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{
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if(sound1EnvelopeUpDown)
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{
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if(sound1EnvelopeVolume < 15)
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sound1EnvelopeVolume++;
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}
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else
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{
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if(sound1EnvelopeVolume)
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sound1EnvelopeVolume--;
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}
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sound1EnvelopeATL += sound1EnvelopeATLReload;
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}
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}
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if(sound1SweepATL)
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{
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sound1SweepATL-=soundQuality;
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if(sound1SweepATL<=0)
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{
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freq = (((int)(gbMemory[NR14]&7) << 8) | gbMemory[NR13]);
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int updown = 1;
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if(sound1SweepUpDown)
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updown = -1;
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int newfreq = 0;
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if(sound1SweepSteps)
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{
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newfreq = freq + updown * freq / (1 << sound1SweepSteps);
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if(newfreq == freq)
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newfreq = 0;
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}
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else
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newfreq = freq;
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if(newfreq < 0)
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{
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sound1SweepATL += sound1SweepATLReload;
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}
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else if(newfreq > 2047)
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{
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sound1SweepATL = 0;
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sound1On = 0;
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gbMemory[NR52] &= 0xfe;
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}
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else
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{
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sound1SweepATL += sound1SweepATLReload;
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sound1Skip = SOUND_MAGIC/(2048 - newfreq);
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gbMemory[NR13] = newfreq & 0xff;
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gbMemory[NR14] = (gbMemory[NR14] & 0xf8) |((newfreq >> 8) & 7);
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}
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}
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}
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}
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}
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void gbSoundChannel2()
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{
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// int freq = 0;
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int vol = sound2EnvelopeVolume;
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int value = 0;
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if(sound2On && (sound2ATL || !sound2Continue))
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{
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sound2Index += soundQuality*sound2Skip;
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sound2Index &= 0x1fffffff;
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value = ((s8)sound2Wave[sound2Index>>24]) * vol;
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}
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soundBuffer[1][soundIndex] = value;
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if(sound2On)
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{
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if(sound2ATL)
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{
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sound2ATL-=soundQuality;
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if(sound2ATL <= 0 && sound2Continue)
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{
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gbMemory[NR52] &= 0xfd;
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sound2On = 0;
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}
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}
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if(sound2EnvelopeATL)
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{
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sound2EnvelopeATL-=soundQuality;
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if(sound2EnvelopeATL <= 0)
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{
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if(sound2EnvelopeUpDown)
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{
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if(sound2EnvelopeVolume < 15)
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sound2EnvelopeVolume++;
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}
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else
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{
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if(sound2EnvelopeVolume)
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sound2EnvelopeVolume--;
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}
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sound2EnvelopeATL += sound2EnvelopeATLReload;
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}
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}
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}
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}
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void gbSoundChannel3()
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{
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int value = sound3Last;
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if(sound3On && (sound3ATL || !sound3Continue))
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{
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sound3Index += soundQuality*sound3Skip;
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sound3Index &= 0x1fffffff;
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value = gbMemory[0xff30 + (sound3Index>>25)];
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if( (sound3Index & 0x01000000))
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{
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value &= 0x0f;
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}
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else
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{
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value >>= 4;
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}
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value -= 8;
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switch(sound3OutputLevel)
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{
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case 0:
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value = 0;
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break;
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case 1:
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break;
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case 2:
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value = (value >> 1);
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break;
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case 3:
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value = (value >> 2);
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break;
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}
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sound3Last = value;
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}
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soundBuffer[2][soundIndex] = value;
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if(sound3On)
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{
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if(sound3ATL)
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{
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sound3ATL-=soundQuality;
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if(sound3ATL <= 0 && sound3Continue)
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{
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gbMemory[NR52] &= 0xfb;
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sound3On = 0;
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}
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}
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}
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}
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void gbSoundChannel4()
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|
{
|
|
int vol = sound4EnvelopeVolume;
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|
|
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int value = 0;
|
|
|
|
if(sound4Clock <= 0x0c)
|
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{
|
|
if(sound4On && (sound4ATL || !sound4Continue))
|
|
{
|
|
sound4Index += soundQuality*sound4Skip;
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|
sound4ShiftIndex += soundQuality*sound4ShiftSkip;
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|
|
|
if(sound4NSteps)
|
|
{
|
|
while(sound4ShiftIndex > 0x1fffff)
|
|
{
|
|
sound4ShiftRight = (((sound4ShiftRight << 6) ^
|
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(sound4ShiftRight << 5)) & 0x40) |
|
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(sound4ShiftRight >> 1);
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sound4ShiftIndex -= 0x200000;
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}
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|
}
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|
else
|
|
{
|
|
while(sound4ShiftIndex > 0x1fffff)
|
|
{
|
|
sound4ShiftRight = (((sound4ShiftRight << 14) ^
|
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(sound4ShiftRight << 13)) & 0x4000) |
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(sound4ShiftRight >> 1);
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|
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|
sound4ShiftIndex -= 0x200000;
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}
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}
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|
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sound4Index &= 0x1fffff;
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sound4ShiftIndex &= 0x1fffff;
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|
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value = ((sound4ShiftRight & 1)*2-1) * vol;
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}
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else
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{
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value = 0;
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}
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}
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|
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soundBuffer[3][soundIndex] = value;
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|
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if(sound4On)
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{
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if(sound4ATL)
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{
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sound4ATL-=soundQuality;
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if(sound4ATL <= 0 && sound4Continue)
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{
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gbMemory[NR52] &= 0xfd;
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sound4On = 0;
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}
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}
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|
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if(sound4EnvelopeATL)
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{
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sound4EnvelopeATL-=soundQuality;
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if(sound4EnvelopeATL <= 0)
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|
{
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|
if(sound4EnvelopeUpDown)
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|
{
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if(sound4EnvelopeVolume < 15)
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sound4EnvelopeVolume++;
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}
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else
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{
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if(sound4EnvelopeVolume)
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sound4EnvelopeVolume--;
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}
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sound4EnvelopeATL += sound4EnvelopeATLReload;
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}
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}
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}
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}
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void gbSoundMix()
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{
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int res = 0;
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if(soundBalance & 16)
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{
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res += ((s8)soundBuffer[0][soundIndex]);
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}
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if(soundBalance & 32)
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{
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res += ((s8)soundBuffer[1][soundIndex]);
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}
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if(soundBalance & 64)
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{
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res += ((s8)soundBuffer[2][soundIndex]);
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}
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if(soundBalance & 128)
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{
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res += ((s8)soundBuffer[3][soundIndex]);
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}
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|
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if(gbDigitalSound)
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res = soundLevel1*256;
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else
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res *= soundLevel1*60;
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if(soundEcho)
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|
{
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|
res *= 2;
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res += soundFilter[soundEchoIndex];
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|
res /= 2;
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|
soundFilter[soundEchoIndex++] = res;
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|
}
|
|
|
|
if(soundLowPass)
|
|
{
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|
soundLeft[4] = soundLeft[3];
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|
soundLeft[3] = soundLeft[2];
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|
soundLeft[2] = soundLeft[1];
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|
soundLeft[1] = soundLeft[0];
|
|
soundLeft[0] = res;
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|
res = (soundLeft[4] + 2*soundLeft[3] + 8*soundLeft[2] + 2*soundLeft[1] +
|
|
soundLeft[0])/14;
|
|
}
|
|
|
|
switch(soundVolume)
|
|
{
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
res *= (soundVolume+1);
|
|
break;
|
|
case 4:
|
|
res >>= 2;
|
|
break;
|
|
case 5:
|
|
res >>= 1;
|
|
break;
|
|
}
|
|
|
|
if(res > 32767)
|
|
res = 32767;
|
|
if(res < -32768)
|
|
res = -32768;
|
|
|
|
if(soundReverse)
|
|
soundFinalWave[++soundBufferIndex] = res;
|
|
else
|
|
soundFinalWave[soundBufferIndex++] = res;
|
|
|
|
res = 0;
|
|
|
|
if(soundBalance & 1)
|
|
{
|
|
res += ((s8)soundBuffer[0][soundIndex]);
|
|
}
|
|
if(soundBalance & 2)
|
|
{
|
|
res += ((s8)soundBuffer[1][soundIndex]);
|
|
}
|
|
if(soundBalance & 4)
|
|
{
|
|
res += ((s8)soundBuffer[2][soundIndex]);
|
|
}
|
|
if(soundBalance & 8)
|
|
{
|
|
res += ((s8)soundBuffer[3][soundIndex]);
|
|
}
|
|
|
|
if(gbDigitalSound)
|
|
res = soundLevel2*256;
|
|
else
|
|
res *= soundLevel2*60;
|
|
|
|
if(soundEcho)
|
|
{
|
|
res *= 2;
|
|
res += soundFilter[soundEchoIndex];
|
|
res /= 2;
|
|
soundFilter[soundEchoIndex++] = res;
|
|
|
|
if(soundEchoIndex >= 4000)
|
|
soundEchoIndex = 0;
|
|
}
|
|
|
|
if(soundLowPass)
|
|
{
|
|
soundRight[4] = soundRight[3];
|
|
soundRight[3] = soundRight[2];
|
|
soundRight[2] = soundRight[1];
|
|
soundRight[1] = soundRight[0];
|
|
soundRight[0] = res;
|
|
res = (soundRight[4] + 2*soundRight[3] + 8*soundRight[2] + 2*soundRight[1] +
|
|
soundRight[0])/14;
|
|
}
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|
|
|
switch(soundVolume)
|
|
{
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
res *= (soundVolume+1);
|
|
break;
|
|
case 4:
|
|
res >>= 2;
|
|
break;
|
|
case 5:
|
|
res >>= 1;
|
|
break;
|
|
}
|
|
|
|
if(res > 32767)
|
|
res = 32767;
|
|
if(res < -32768)
|
|
res = -32768;
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|
|
|
if(soundReverse)
|
|
soundFinalWave[-1+soundBufferIndex++] = res;
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|
else
|
|
soundFinalWave[soundBufferIndex++] = res;
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|
}
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|
|
|
void gbSoundTick()
|
|
{
|
|
if(systemSoundOn)
|
|
{
|
|
if(soundMasterOn)
|
|
{
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|
gbSoundChannel1();
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|
gbSoundChannel2();
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|
gbSoundChannel3();
|
|
gbSoundChannel4();
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|
|
gbSoundMix();
|
|
}
|
|
else
|
|
{
|
|
soundFinalWave[soundBufferIndex++] = 0;
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|
soundFinalWave[soundBufferIndex++] = 0;
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|
}
|
|
|
|
soundIndex++;
|
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|
|
if(2*soundBufferIndex >= soundBufferLen)
|
|
{
|
|
if(systemSoundOn)
|
|
{
|
|
if(soundPaused)
|
|
{
|
|
soundResume();
|
|
}
|
|
|
|
systemWriteDataToSoundBuffer();
|
|
}
|
|
soundIndex = 0;
|
|
soundBufferIndex = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void gbSoundReset()
|
|
{
|
|
soundPaused = 1;
|
|
soundPlay = 0;
|
|
SOUND_CLOCK_TICKS = soundQuality * 24;
|
|
soundTicks = SOUND_CLOCK_TICKS;
|
|
soundNextPosition = 0;
|
|
soundMasterOn = 1;
|
|
soundIndex = 0;
|
|
soundBufferIndex = 0;
|
|
soundLevel1 = 7;
|
|
soundLevel2 = 7;
|
|
soundVIN = 0;
|
|
|
|
sound1On = 0;
|
|
sound1ATL = 0;
|
|
sound1Skip = 0;
|
|
sound1Index = 0;
|
|
sound1Continue = 0;
|
|
sound1EnvelopeVolume = 0;
|
|
sound1EnvelopeATL = 0;
|
|
sound1EnvelopeUpDown = 0;
|
|
sound1EnvelopeATLReload = 0;
|
|
sound1SweepATL = 0;
|
|
sound1SweepATLReload = 0;
|
|
sound1SweepSteps = 0;
|
|
sound1SweepUpDown = 0;
|
|
sound1SweepStep = 0;
|
|
sound1Wave = soundWavePattern[2];
|
|
|
|
sound2On = 0;
|
|
sound2ATL = 0;
|
|
sound2Skip = 0;
|
|
sound2Index = 0;
|
|
sound2Continue = 0;
|
|
sound2EnvelopeVolume = 0;
|
|
sound2EnvelopeATL = 0;
|
|
sound2EnvelopeUpDown = 0;
|
|
sound2EnvelopeATLReload = 0;
|
|
sound2Wave = soundWavePattern[2];
|
|
|
|
sound3On = 0;
|
|
sound3ATL = 0;
|
|
sound3Skip = 0;
|
|
sound3Index = 0;
|
|
sound3Continue = 0;
|
|
sound3OutputLevel = 0;
|
|
|
|
sound4On = 0;
|
|
sound4Clock = 0;
|
|
sound4ATL = 0;
|
|
sound4Skip = 0;
|
|
sound4Index = 0;
|
|
sound4ShiftRight = 0x7f;
|
|
sound4NSteps = 0;
|
|
sound4CountDown = 0;
|
|
sound4Continue = 0;
|
|
sound4EnvelopeVolume = 0;
|
|
sound4EnvelopeATL = 0;
|
|
sound4EnvelopeUpDown = 0;
|
|
sound4EnvelopeATLReload = 0;
|
|
|
|
// don't translate
|
|
if(soundDebug)
|
|
{
|
|
log("*** Sound Init ***\n");
|
|
}
|
|
|
|
gbSoundEvent(0xff10, 0x80);
|
|
gbSoundEvent(0xff11, 0xbf);
|
|
gbSoundEvent(0xff12, 0xf3);
|
|
gbSoundEvent(0xff14, 0xbf);
|
|
gbSoundEvent(0xff16, 0x3f);
|
|
gbSoundEvent(0xff17, 0x00);
|
|
gbSoundEvent(0xff19, 0xbf);
|
|
|
|
gbSoundEvent(0xff1a, 0x7f);
|
|
gbSoundEvent(0xff1b, 0xff);
|
|
gbSoundEvent(0xff1c, 0xbf);
|
|
gbSoundEvent(0xff1e, 0xbf);
|
|
|
|
gbSoundEvent(0xff20, 0xff);
|
|
gbSoundEvent(0xff21, 0x00);
|
|
gbSoundEvent(0xff22, 0x00);
|
|
gbSoundEvent(0xff23, 0xbf);
|
|
gbSoundEvent(0xff24, 0x77);
|
|
gbSoundEvent(0xff25, 0xf3);
|
|
|
|
gbSoundEvent(0xff26, 0xf0);
|
|
|
|
// don't translate
|
|
if(soundDebug)
|
|
{
|
|
log("*** Sound Init Complete ***\n");
|
|
}
|
|
|
|
sound1On = 0;
|
|
sound2On = 0;
|
|
sound3On = 0;
|
|
sound4On = 0;
|
|
|
|
int addr = 0xff30;
|
|
|
|
while(addr < 0xff40)
|
|
{
|
|
gbMemory[addr++] = 0x00;
|
|
gbMemory[addr++] = 0xff;
|
|
}
|
|
|
|
memset(soundFinalWave, 0x00, soundBufferLen);
|
|
|
|
|
|
memset(soundFilter, 0, sizeof(soundFilter));
|
|
soundEchoIndex = 0;
|
|
}
|
|
|
|
extern bool soundInit();
|
|
extern void soundShutdown();
|
|
|
|
void gbSoundSetQuality(int quality)
|
|
{
|
|
if(soundQuality != quality && systemCanChangeSoundQuality())
|
|
{
|
|
if(!soundOffFlag)
|
|
soundShutdown();
|
|
soundQuality = quality;
|
|
soundNextPosition = 0;
|
|
if(!soundOffFlag)
|
|
soundInit();
|
|
SOUND_CLOCK_TICKS = (gbSpeed ? 2 : 1) * 24 * soundQuality;
|
|
soundIndex = 0;
|
|
soundBufferIndex = 0;
|
|
}
|
|
else
|
|
{
|
|
soundNextPosition = 0;
|
|
SOUND_CLOCK_TICKS = (gbSpeed ? 2 : 1) * 24 * soundQuality;
|
|
soundIndex = 0;
|
|
soundBufferIndex = 0;
|
|
}
|
|
}
|
|
|
|
variable_desc gbSoundSaveStruct[] = {
|
|
{ &soundPaused, sizeof(int) },
|
|
{ &soundPlay, sizeof(int) },
|
|
{ &soundTicks, sizeof(int) },
|
|
{ &SOUND_CLOCK_TICKS, sizeof(int) },
|
|
{ &soundLevel1, sizeof(int) },
|
|
{ &soundLevel2, sizeof(int) },
|
|
{ &soundBalance, sizeof(int) },
|
|
{ &soundMasterOn, sizeof(int) },
|
|
{ &soundIndex, sizeof(int) },
|
|
{ &soundVIN, sizeof(int) },
|
|
{ &sound1On, sizeof(int) },
|
|
{ &sound1ATL, sizeof(int) },
|
|
{ &sound1Skip, sizeof(int) },
|
|
{ &sound1Index, sizeof(int) },
|
|
{ &sound1Continue, sizeof(int) },
|
|
{ &sound1EnvelopeVolume, sizeof(int) },
|
|
{ &sound1EnvelopeATL, sizeof(int) },
|
|
{ &sound1EnvelopeATLReload, sizeof(int) },
|
|
{ &sound1EnvelopeUpDown, sizeof(int) },
|
|
{ &sound1SweepATL, sizeof(int) },
|
|
{ &sound1SweepATLReload, sizeof(int) },
|
|
{ &sound1SweepSteps, sizeof(int) },
|
|
{ &sound1SweepUpDown, sizeof(int) },
|
|
{ &sound1SweepStep, sizeof(int) },
|
|
{ &sound2On, sizeof(int) },
|
|
{ &sound2ATL, sizeof(int) },
|
|
{ &sound2Skip, sizeof(int) },
|
|
{ &sound2Index, sizeof(int) },
|
|
{ &sound2Continue, sizeof(int) },
|
|
{ &sound2EnvelopeVolume, sizeof(int) },
|
|
{ &sound2EnvelopeATL, sizeof(int) },
|
|
{ &sound2EnvelopeATLReload, sizeof(int) },
|
|
{ &sound2EnvelopeUpDown, sizeof(int) },
|
|
{ &sound3On, sizeof(int) },
|
|
{ &sound3ATL, sizeof(int) },
|
|
{ &sound3Skip, sizeof(int) },
|
|
{ &sound3Index, sizeof(int) },
|
|
{ &sound3Continue, sizeof(int) },
|
|
{ &sound3OutputLevel, sizeof(int) },
|
|
{ &sound4On, sizeof(int) },
|
|
{ &sound4ATL, sizeof(int) },
|
|
{ &sound4Skip, sizeof(int) },
|
|
{ &sound4Index, sizeof(int) },
|
|
{ &sound4Clock, sizeof(int) },
|
|
{ &sound4ShiftRight, sizeof(int) },
|
|
{ &sound4ShiftSkip, sizeof(int) },
|
|
{ &sound4ShiftIndex, sizeof(int) },
|
|
{ &sound4NSteps, sizeof(int) },
|
|
{ &sound4CountDown, sizeof(int) },
|
|
{ &sound4Continue, sizeof(int) },
|
|
{ &sound4EnvelopeVolume, sizeof(int) },
|
|
{ &sound4EnvelopeATL, sizeof(int) },
|
|
{ &sound4EnvelopeATLReload, sizeof(int) },
|
|
{ &sound4EnvelopeUpDown, sizeof(int) },
|
|
{ &soundEnableFlag, sizeof(int) },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
void gbSoundSaveGame(gzFile gzFile)
|
|
{
|
|
utilWriteData(gzFile, gbSoundSaveStruct);
|
|
|
|
utilGzWrite(gzFile, soundBuffer, 4*735);
|
|
utilGzWrite(gzFile, soundFinalWave, 2*735);
|
|
utilGzWrite(gzFile, &soundQuality, sizeof(int));
|
|
}
|
|
|
|
void gbSoundReadGame(int version,gzFile gzFile)
|
|
{
|
|
utilReadData(gzFile, gbSoundSaveStruct);
|
|
|
|
soundBufferIndex = soundIndex * 2;
|
|
|
|
utilGzRead(gzFile, soundBuffer, 4*735);
|
|
utilGzRead(gzFile, soundFinalWave, 2*735);
|
|
|
|
if(version >=7)
|
|
{
|
|
int quality = 1;
|
|
utilGzRead(gzFile, &quality, sizeof(int));
|
|
gbSoundSetQuality(quality);
|
|
}
|
|
else
|
|
{
|
|
soundQuality = -1;
|
|
gbSoundSetQuality(1);
|
|
}
|
|
|
|
sound1Wave = soundWavePattern[gbMemory[NR11] >> 6];
|
|
sound2Wave = soundWavePattern[gbMemory[NR21] >> 6];
|
|
}
|