65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "GbSquareChannel.h"
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#include "GbWaveChannel.h"
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#include "GbNoiseChannel.h"
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#include "../Utilities/blip_buf.h"
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#include "../Utilities/ISerializable.h"
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class Console;
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class Gameboy;
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class SoundMixer;
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class EmuSettings;
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class GbApu : public ISerializable
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{
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public:
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static constexpr int SampleRate = 96000;
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private:
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static constexpr int ApuFrequency = 1024 * 1024 * 4; //4mhz
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static constexpr int MaxSamples = 4000;
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Console* _console = nullptr;
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Gameboy* _gameboy = nullptr;
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EmuSettings* _settings = nullptr;
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SoundMixer* _soundMixer = nullptr;
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unique_ptr<GbSquareChannel> _square1;
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unique_ptr<GbSquareChannel> _square2;
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unique_ptr<GbWaveChannel> _wave;
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unique_ptr<GbNoiseChannel> _noise;
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int16_t* _soundBuffer = nullptr;
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blip_t* _leftChannel = nullptr;
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blip_t* _rightChannel = nullptr;
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int16_t _prevLeftOutput = 0;
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int16_t _prevRightOutput = 0;
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uint32_t _clockCounter = 0;
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uint64_t _prevClockCount = 0;
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GbApuState _state = {};
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public:
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GbApu();
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virtual ~GbApu();
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void Init(Console* console, Gameboy* gameboy);
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GbApuDebugState GetState();
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void Run();
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void GetSoundSamples(int16_t* &samples, uint32_t& sampleCount);
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void ClockFrameSequencer();
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uint8_t Read(uint16_t addr);
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void Write(uint16_t addr, uint8_t value);
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uint8_t ReadCgbRegister(uint16_t addr);
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template<typename T> void ProcessLengthEnableFlag(uint8_t value, T& length, bool& lengthEnabled, bool& enabled);
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void Serialize(Serializer& s) override;
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};
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