Mesen2/Core/NES/Mappers/FDS/FdsAudio.h
Sour 3a98728893 NES: FDS - Fixed incorrect audio pitch in Nazoraa Land Dai 3 Gou
+ Added some FDS information to register viewer
2023-02-22 23:25:14 -05:00

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C++

#pragma once
#include "pch.h"
#include <algorithm>
#include "Utilities/ISerializable.h"
#include "NES/Mappers/FDS/ModChannel.h"
#include "NES/Mappers/FDS/BaseFdsChannel.h"
#include "NES/APU/BaseExpansionAudio.h"
class NesConsole;
struct MapperStateEntry;
class FdsAudio : public BaseExpansionAudio
{
private:
const uint32_t WaveVolumeTable[4] = { 36, 24, 17, 14 };
//Register values
uint8_t _waveTable[64] = {};
bool _waveWriteEnabled = false;
BaseFdsChannel _volume;
ModChannel _mod;
bool _disableEnvelopes = false;
bool _haltWaveform = false;
uint8_t _masterVolume = 0;
//Internal values
uint16_t _waveOverflowCounter = 0;
int32_t _wavePitch = 0;
uint8_t _wavePosition = 0;
uint8_t _lastOutput = 0;
protected:
void Serialize(Serializer& s) override;
void ClockAudio() override;
void UpdateOutput();
public:
FdsAudio(NesConsole* console);
uint8_t ReadRegister(uint16_t addr);
void WriteRegister(uint16_t addr, uint8_t value);
void GetMapperStateEntries(vector<MapperStateEntry>& entries);
};