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/*
* Gearboy - Nintendo Game Boy Emulator
* Copyright (C) 2012 Ignacio Sanchez
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/
*
*/
#ifndef MEMORY_H
#define MEMORY_H
#include "definitions.h"
#include "MemoryRule.h"
#include <vector>
class Processor;
class Video;
class CommonMemoryRule;
class IORegistersMemoryRule;
class Memory
{
public:
struct stDisassembleRecord
{
u16 address;
char name[32];
char bytes[16];
int size;
int bank;
u8 opcodes[4];
bool jump;
u16 jump_address;
};
struct stMemoryBreakpoint
{
u16 address1;
u16 address2;
bool read;
bool write;
bool range;
};
public:
Memory();
~Memory();
void SetProcessor(Processor* pProcessor);
void SetVideo(Video* pVideo);
void Init();
void Reset(bool bCGB);
void SetCurrentRule(MemoryRule* pRule);
void SetCommonRule(CommonMemoryRule* pRule);
void SetIORule(IORegistersMemoryRule* pRule);
MemoryRule* GetCurrentRule();
u8* GetMemoryMap();
u8 Read(u16 address);
void Write(u16 address, u8 value);
u8 ReadCGBWRAM(u16 address);
void WriteCGBWRAM(u16 address, u8 value);
void SwitchCGBWRAM(u8 value);
u8 ReadCGBLCDRAM(u16 address, bool forceBank1);
void WriteCGBLCDRAM(u16 address, u8 value);
void SwitchCGBLCDRAM(u8 value);
u8 Retrieve(u16 address);
void Load(u16 address, u8 value);
stDisassembleRecord** GetDisassembledMemoryMap();
stDisassembleRecord** GetDisassembledROMMemoryMap();
void LoadBank0and1FromROM(u8* pTheROM);
void MemoryDump(const char* szFilePath);
void PerformDMA(u8 value);
void SwitchCGBDMA(u8 value);
unsigned int PerformHDMA();
void PerformGDMA(u8 value);
bool IsHDMAEnabled() const;
void SetHDMARegister(int reg, u8 value);
u8 GetHDMARegister(int reg) const;
u8* GetCGBRAM();
int GetCurrentCGBRAMBank();
int GetCurrentLCDRAMBank();
void SaveState(std::ostream& stream);
void LoadState(std::istream& stream);
u8* GetROM0();
u8* GetROM1();
u8* GetVRAM();
u8* GetRAM();
u8* GetWRAM0();
u8* GetWRAM1();
std::vector<stDisassembleRecord*>* GetBreakpointsCPU();
std::vector<stMemoryBreakpoint>* GetBreakpointsMem();
stDisassembleRecord* GetRunToBreakpoint();
void SetRunToBreakpoint(stDisassembleRecord* pBreakpoint);
void EnableBootromDMG(bool enable);
void EnableBootromGBC(bool enable);
void LoadBootromDMG(const char* szFilePath);
void LoadBootromGBC(const char* szFilePath);
bool IsBootromEnabled();
void DisableBootromRegistry();
bool IsBootromRegistryEnabled();
void ResetDisassembledMemory();
void ResetBootromDisassembledMemory();
private:
void LoadBootroom(const char* szFilePath, bool gbc);
void CheckBreakpoints(u16 address, bool write);
private:
Processor* m_pProcessor;
Video* m_pVideo;
CommonMemoryRule* m_pCommonMemoryRule;
IORegistersMemoryRule* m_pIORegistersMemoryRule;
MemoryRule* m_pCurrentMemoryRule;
u8* m_pMap;
stDisassembleRecord** m_pDisassembledMap;
stDisassembleRecord** m_pDisassembledROMMap;
std::vector<stDisassembleRecord*> m_BreakpointsCPU;
std::vector<stMemoryBreakpoint> m_BreakpointsMem;
stDisassembleRecord* m_pRunToBreakpoint;
bool m_bCGB;
int m_iCurrentWRAMBank;
int m_iCurrentLCDRAMBank;
u8* m_pWRAMBanks;
u8* m_pLCDRAMBank1;
bool m_bHDMAEnabled;
int m_iHDMABytes;
u8 m_HDMA[5];
u16 m_HDMASource;
u16 m_HDMADestination;
bool m_bBootromDMGEnabled;
bool m_bBootromGBCEnabled;
bool m_bBootromDMGLoaded;
bool m_bBootromGBCLoaded;
u8* m_pBootromDMG;
u8* m_pBootromGBC;
bool m_bBootromRegistryDisabled;
};
#include "Memory_inline.h"
// From Gambatte emulator
const u8 kInitialValuesForFFXX[256] = {
0xCF, 0x00, 0x7E, 0xFF, 0xD3, 0x00, 0x00, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE1,
0x80, 0xBF, 0xF3, 0xFF, 0xBF, 0xFF, 0x3F, 0x00, 0xFF, 0xBF, 0x7F, 0xFF, 0x9F, 0xFF, 0xBF, 0xFF,
0xFF, 0x00, 0x00, 0xBF, 0x77, 0xF3, 0xF1, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x71, 0x72, 0xD5, 0x91, 0x58, 0xBB, 0x2A, 0xFA, 0xCF, 0x3C, 0x54, 0x75, 0x48, 0xCF, 0x8F, 0xD9,
0x91, 0x80, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x2B, 0x0B, 0x64, 0x2F, 0xAF, 0x15, 0x60, 0x6D, 0x61, 0x4E, 0xAC, 0x45, 0x0F, 0xDA, 0x92, 0xF3,
0x83, 0x38, 0xE4, 0x4E, 0xA7, 0x6C, 0x38, 0x58, 0xBE, 0xEA, 0xE5, 0x81, 0xB4, 0xCB, 0xBF, 0x7B,
0x59, 0xAD, 0x50, 0x13, 0x5E, 0xF6, 0xB3, 0xC1, 0xDC, 0xDF, 0x9E, 0x68, 0xD7, 0x59, 0x26, 0xF3,
0x62, 0x54, 0xF8, 0x36, 0xB7, 0x78, 0x6A, 0x22, 0xA7, 0xDD, 0x88, 0x15, 0xCA, 0x96, 0x39, 0xD3,
0xE6, 0x55, 0x6E, 0xEA, 0x90, 0x76, 0xB8, 0xFF, 0x50, 0xCD, 0xB5, 0x1B, 0x1F, 0xA5, 0x4D, 0x2E,
0xB4, 0x09, 0x47, 0x8A, 0xC4, 0x5A, 0x8C, 0x4E, 0xE7, 0x29, 0x50, 0x88, 0xA8, 0x66, 0x85, 0x4B,
0xAA, 0x38, 0xE7, 0x6B, 0x45, 0x3E, 0x30, 0x37, 0xBA, 0xC5, 0x31, 0xF2, 0x71, 0xB4, 0xCF, 0x29,
0xBC, 0x7F, 0x7E, 0xD0, 0xC7, 0xC3, 0xBD, 0xCF, 0x59, 0xEA, 0x39, 0x01, 0x2E, 0x00, 0x69, 0x00
};
const u8 kInitialValuesForColorFFXX[256] = {
0xCF, 0x00, 0x7C, 0xFF, 0x44, 0x00, 0x00, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE1,
0x80, 0xBF, 0xF3, 0xFF, 0xBF, 0xFF, 0x3F, 0x00, 0xFF, 0xBF, 0x7F, 0xFF, 0x9F, 0xFF, 0xBF, 0xFF,
0xFF, 0x00, 0x00, 0xBF, 0x77, 0xF3, 0xF1, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
0x91, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x7E, 0xFF, 0xFE,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3E, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0xFF, 0xC1, 0x00, 0xFE, 0xFF, 0xFF, 0xFF,
0xF8, 0xFF, 0x00, 0x00, 0x00, 0x8F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xCE, 0xED, 0x66, 0x66, 0xCC, 0x0D, 0x00, 0x0B, 0x03, 0x73, 0x00, 0x83, 0x00, 0x0C, 0x00, 0x0D,
0x00, 0x08, 0x11, 0x1F, 0x88, 0x89, 0x00, 0x0E, 0xDC, 0xCC, 0x6E, 0xE6, 0xDD, 0xDD, 0xD9, 0x99,
0xBB, 0xBB, 0x67, 0x63, 0x6E, 0x0E, 0xEC, 0xCC, 0xDD, 0xDC, 0x99, 0x9F, 0xBB, 0xB9, 0x33, 0x3E,
0x45, 0xEC, 0x42, 0xFA, 0x08, 0xB7, 0x07, 0x5D, 0x01, 0xF5, 0xC0, 0xFF, 0x08, 0xFC, 0x00, 0xE5,
0x0B, 0xF8, 0xC2, 0xCA, 0xF4, 0xF9, 0x0D, 0x7F, 0x44, 0x6D, 0x19, 0xFE, 0x46, 0x97, 0x33, 0x5E,
0x08, 0xFF, 0xD1, 0xFF, 0xC6, 0x8B, 0x24, 0x74, 0x12, 0xFC, 0x00, 0x9F, 0x94, 0xB7, 0x06, 0xD5,
0x40, 0x7A, 0x20, 0x9E, 0x04, 0x5F, 0x41, 0x2F, 0x3D, 0x77, 0x36, 0x75, 0x81, 0x8A, 0x70, 0x3A,
0x98, 0xD1, 0x71, 0x02, 0x4D, 0x01, 0xC1, 0xFF, 0x0D, 0x00, 0xD3, 0x05, 0xF9, 0x00, 0x0B, 0x00
};
#endif /* MEMORY_H */
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