44 lines
No EOL
817 B
C++
44 lines
No EOL
817 B
C++
#pragma once
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#include "stdafx.h"
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#include "GbTypes.h"
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#include "../Utilities/ISerializable.h"
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#include "../Utilities/Serializer.h"
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class GbApu;
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class GbSquareChannel final : public ISerializable
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{
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private:
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const uint8_t _dutySequences[4][8] = {
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{ 0, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 0, 1, 1, 1, 1 },
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{ 0, 0, 0, 0, 0, 0, 1, 1 }
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};
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GbSquareState _state = {};
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GbApu* _apu = nullptr;
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public:
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GbSquareChannel(GbApu* apu);
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GbSquareState GetState();
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bool Enabled();
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void Disable();
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void ClockSweepUnit();
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uint16_t GetSweepTargetFrequency();
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void ClockLengthCounter();
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void ClockEnvelope();
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uint8_t GetOutput();
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void Exec(uint32_t clocksToRun);
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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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void Serialize(Serializer& s) override;
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}; |