mirror of
https://github.com/SourMesen/Mesen-S.git
synced 2024-06-23 14:52:12 -04:00
132 lines
3.1 KiB
C++
132 lines
3.1 KiB
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "BaseCoprocessor.h"
|
|
#include "Cx4Types.h"
|
|
#include "MemoryMappings.h"
|
|
|
|
class Console;
|
|
class MemoryManager;
|
|
class Cpu;
|
|
|
|
class Cx4 : public BaseCoprocessor
|
|
{
|
|
private:
|
|
static constexpr int DataRamSize = 0xC00;
|
|
|
|
Console *_console;
|
|
MemoryManager *_memoryManager;
|
|
Cpu *_cpu;
|
|
MemoryMappings _mappings;
|
|
double _clockRatio;
|
|
|
|
Cx4State _state;
|
|
uint16_t _prgRam[2][256];
|
|
uint8_t _dataRam[Cx4::DataRamSize];
|
|
|
|
void Exec(uint16_t opCode);
|
|
void SwitchCachePage();
|
|
bool ProcessCache(uint64_t targetCycle);
|
|
void ProcessDma(uint64_t targetCycle);
|
|
|
|
void Step(uint64_t cycles);
|
|
bool IsRunning();
|
|
bool IsBusy();
|
|
|
|
uint8_t GetAccessDelay(uint32_t addr);
|
|
uint8_t ReadCx4(uint32_t addr);
|
|
void WriteCx4(uint32_t addr, uint8_t value);
|
|
|
|
uint32_t GetSourceValue(uint8_t src);
|
|
void WriteRegister(uint8_t reg, uint32_t value);
|
|
void SetA(uint32_t value);
|
|
|
|
void NOP();
|
|
|
|
void WAIT();
|
|
|
|
void Branch(bool branch, uint8_t, uint8_t dest);
|
|
void Skip(uint8_t flagToCheck, uint8_t skipIfSet);
|
|
void JSR(bool branch, uint8_t, uint8_t dest);
|
|
void RTS();
|
|
|
|
void PushPC();
|
|
void PullPC();
|
|
|
|
void SetZeroNegativeFlags();
|
|
|
|
uint32_t AddValues(uint32_t a, uint32_t b);
|
|
uint32_t Substract(uint32_t a, uint32_t b);
|
|
|
|
void CMPR(uint8_t shift, uint8_t src);
|
|
void CMPR_Imm(uint8_t shift, uint8_t imm);
|
|
void CMP(uint8_t shift, uint8_t src);
|
|
void CMP_Imm(uint8_t shift, uint8_t imm);
|
|
|
|
void SignExtend(uint8_t mode);
|
|
|
|
void Load(uint8_t dest, uint8_t src);
|
|
void Load_Imm(uint8_t dest, uint8_t imm);
|
|
|
|
void ADD(uint8_t shift, uint8_t src);
|
|
void ADD_Imm(uint8_t shift, uint8_t imm);
|
|
void SUB(uint8_t shift, uint8_t src);
|
|
void SUB_Imm(uint8_t shift, uint8_t imm);
|
|
void SUBR(uint8_t shift, uint8_t src);
|
|
void SUBR_Imm(uint8_t shift, uint8_t imm);
|
|
|
|
void SMUL(uint8_t src);
|
|
void SMUL_Imm(uint8_t imm);
|
|
|
|
void AND(uint8_t shift, uint8_t src);
|
|
void AND_Imm(uint8_t shift, uint8_t imm);
|
|
void OR(uint8_t shift, uint8_t src);
|
|
void OR_Imm(uint8_t shift, uint8_t imm);
|
|
void XOR(uint8_t shift, uint8_t src);
|
|
void XOR_Imm(uint8_t shift, uint8_t imm);
|
|
void XNOR(uint8_t shift, uint8_t src);
|
|
void XNOR_Imm(uint8_t shift, uint8_t imm);
|
|
|
|
void SHR(uint8_t src);
|
|
void SHR_Imm(uint8_t imm);
|
|
void ASR(uint8_t src);
|
|
void ASR_Imm(uint8_t imm);
|
|
void SHL(uint8_t src);
|
|
void SHL_Imm(uint8_t imm);
|
|
void ROR(uint8_t src);
|
|
void ROR_Imm(uint8_t imm);
|
|
|
|
void ReadRom();
|
|
void ReadRom_Imm(uint16_t imm);
|
|
void ReadRam(uint8_t byteIndex);
|
|
void ReadRam_Imm(uint8_t byteIndex, uint8_t imm);
|
|
void WriteRam(uint8_t byteIndex);
|
|
void WriteRam_Imm(uint8_t byteIndex, uint8_t imm);
|
|
|
|
void LoadP(uint8_t byteIndex, uint8_t imm);
|
|
|
|
void Swap(uint8_t reg);
|
|
void IncMar();
|
|
void Store(uint8_t src, uint8_t dst);
|
|
void Stop();
|
|
|
|
public:
|
|
Cx4(Console* console);
|
|
|
|
void Reset() override;
|
|
|
|
void Run() override;
|
|
|
|
uint8_t Read(uint32_t addr) override;
|
|
void Write(uint32_t addr, uint8_t value) override;
|
|
|
|
void Serialize(Serializer &s) override;
|
|
|
|
uint8_t Peek(uint32_t addr) override;
|
|
void PeekBlock(uint32_t addr, uint8_t* output) override;
|
|
AddressInfo GetAbsoluteAddress(uint32_t address) override;
|
|
|
|
MemoryMappings* GetMemoryMappings();
|
|
uint8_t* DebugGetDataRam();
|
|
uint32_t DebugGetDataRamSize();
|
|
Cx4State GetState();
|
|
}; |