98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "BaseCoprocessor.h"
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#include "MemoryMappings.h"
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#include "Sa1Types.h"
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class Console;
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class Cpu;
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class Sa1Cpu;
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class MemoryManager;
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class BaseCartridge;
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//TODO: Implement write protection flags
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//TODO: Timers
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class Sa1 : public BaseCoprocessor
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{
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private:
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static constexpr int InternalRamSize = 0x800;
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unique_ptr<Sa1Cpu> _cpu;
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Console* _console;
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MemoryManager* _memoryManager;
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BaseCartridge* _cart;
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Cpu* _snesCpu;
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Sa1State _state = {};
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uint8_t* _iRam;
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SnesMemoryType _lastAccessMemType;
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uint8_t _openBus;
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unique_ptr<IMemoryHandler> _iRamHandler;
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unique_ptr<IMemoryHandler> _bwRamHandler;
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unique_ptr<IMemoryHandler> _cpuVectorHandler;
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vector<unique_ptr<IMemoryHandler>> _cpuBwRamHandlers;
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MemoryMappings _mappings;
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void UpdateBank(uint8_t index, uint8_t value);
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void UpdatePrgRomMappings();
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void UpdateVectorMappings();
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void UpdateSaveRamMappings();
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void IncVarLenPosition();
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void CalculateMathOpResult();
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void RunCharConvertType2();
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void ProcessInterrupts();
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void RunDma();
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void Sa1RegisterWrite(uint16_t addr, uint8_t value);
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uint8_t Sa1RegisterRead(uint16_t addr);
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void WriteSharedRegisters(uint16_t addr, uint8_t value);
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void WriteInternalRam(uint32_t addr, uint8_t value);
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void WriteBwRam(uint32_t addr, uint8_t value);
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public:
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Sa1(Console* console);
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virtual ~Sa1();
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void WriteSa1(uint32_t addr, uint8_t value, MemoryOperationType type);
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uint8_t ReadSa1(uint32_t addr, MemoryOperationType type = MemoryOperationType::Read);
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void CpuRegisterWrite(uint16_t addr, uint8_t value);
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uint8_t CpuRegisterRead(uint16_t addr);
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uint8_t ReadCharConvertType1(uint32_t addr);
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// Inherited via BaseCoprocessor
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void Serialize(Serializer & s) override;
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uint8_t Read(uint32_t addr) override;
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uint8_t Peek(uint32_t addr) override;
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void PeekBlock(uint32_t addr, uint8_t *output) override;
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void Write(uint32_t addr, uint8_t value) override;
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AddressInfo GetAbsoluteAddress(uint32_t address) override;
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void Run() override;
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void Reset() override;
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SnesMemoryType GetSa1MemoryType();
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bool IsSnesCpuFastRomSpeed();
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SnesMemoryType GetSnesCpuMemoryType();
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uint8_t* DebugGetInternalRam();
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uint32_t DebugGetInternalRamSize();
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DebugSa1State GetState();
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CpuState GetCpuState();
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uint16_t ReadVector(uint16_t vector);
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MemoryMappings* GetMemoryMappings();
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void LoadBattery() override;
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void SaveBattery() override;
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};
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