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AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/MMC3.cs

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todomapper
2025-01-13 22:29:19 +08:00
//MMC3.h
////////////////////////////////////////////////////////////////////////////
//// Nintendo MMC3 //
////////////////////////////////////////////////////////////////////////////
//class MMC3 : public Mapper
//{
//public:
// MMC3( NES* parent );
// //virtual ~MMC3();
// // For state save
// BOOL IsStateSave() { return TRUE; }
// void SaveState( LPBYTE p );
// void LoadState( LPBYTE p );
// void Reset();
// void Write( WORD addr, BYTE data );
// void HSync( INT scanline );
// //////////////////////////////////////////////////////////////////////////
// // MMC3
// //////////////////////////////////////////////////////////////////////////
// unsigned int count;
// unsigned int latch;
// unsigned int reload;
// unsigned int enabled;
// unsigned int ctrl0;
// unsigned int ctrl1;
// unsigned int chr[8];
// unsigned int prg[4];
// //Memory Write 8000~FFFF
// //void Mmc3_MemoryWrite(uint32 address, uint8 data);
// void Poke_Mmc3_8000(uint32 address,uint8 data);
// void Poke_Mmc3_8001(uint32 address,uint8 data);
// void Poke_Mmc3_A000(uint32 address,uint8 data);
// void Poke_Mmc3_A001(uint32 address,uint8 data);
// void Poke_Mmc3_C000(uint32 address,uint8 data);
// void Poke_Mmc3_C001(uint32 address,uint8 data);
// void Poke_Mmc3_E000(uint32 address,uint8 data);
// void Poke_Mmc3_E001(uint32 address,uint8 data);
// void Poke_Nop(uint32,uint8);
// //³õʼ»¯Mmc3º¯ÊýÖ¸Õë
// //void Mmc3_Init();
// //void Mmc3_Reset();
// void Mmc3_UpdatePrg();
// void Mmc3_UpdateChr();
// void Mmc3_UpdatePrg2p(unsigned int addr,unsigned int bank);
// void Mmc3_UpdateChr2p(unsigned int addr,unsigned int bank);
// unsigned int Mmc3_GetChrSource(unsigned int);
// void Mmc3_HSync(uint32 scanline);
// void Mmc3_SwapChr1K(uint8 page,uint32 bank);
// void Mmc3_SwapChr2K(uint8 page,uint32 bank);
// void (MMC3::*UpdateChr)(unsigned int,unsigned int);
// void (MMC3::*UpdatePrg)(unsigned int,unsigned int);
// unsigned int (MMC3::*GetChrSource)(unsigned int);
// void (MMC3::*Poke_8000)(uint32 address,uint8 data);
// void (MMC3::*Poke_8001)(uint32 address,uint8 data);
// void (MMC3::*Poke_A000)(uint32 address,uint8 data);
// void (MMC3::*Poke_A001)(uint32 address,uint8 data);
// void (MMC3::*Poke_C000)(uint32 address,uint8 data);
// void (MMC3::*Poke_C001)(uint32 address,uint8 data);
// void (MMC3::*Poke_E000)(uint32 address,uint8 data);
// void (MMC3::*Poke_E001)(uint32 address,uint8 data);
//};//////////////////////////////////////////////////////////////////////////
//// Nintendo MMC3 //
////////////////////////////////////////////////////////////////////////////
//class MMC3 : public Mapper
//{
//public:
// MMC3( NES* parent );
// //virtual ~MMC3();
// // For state save
// BOOL IsStateSave() { return TRUE; }
// void SaveState( LPBYTE p );
// void LoadState( LPBYTE p );
// void Reset();
// void Write( WORD addr, BYTE data );
// void HSync( INT scanline );
// //////////////////////////////////////////////////////////////////////////
// // MMC3
// //////////////////////////////////////////////////////////////////////////
// unsigned int count;
// unsigned int latch;
// unsigned int reload;
// unsigned int enabled;
// unsigned int ctrl0;
// unsigned int ctrl1;
// unsigned int chr[8];
// unsigned int prg[4];
// //Memory Write 8000~FFFF
// //void Mmc3_MemoryWrite(uint32 address, uint8 data);
// void Poke_Mmc3_8000(uint32 address,uint8 data);
// void Poke_Mmc3_8001(uint32 address,uint8 data);
// void Poke_Mmc3_A000(uint32 address,uint8 data);
// void Poke_Mmc3_A001(uint32 address,uint8 data);
// void Poke_Mmc3_C000(uint32 address,uint8 data);
// void Poke_Mmc3_C001(uint32 address,uint8 data);
// void Poke_Mmc3_E000(uint32 address,uint8 data);
// void Poke_Mmc3_E001(uint32 address,uint8 data);
// void Poke_Nop(uint32,uint8);
// //³õʼ»¯Mmc3º¯ÊýÖ¸Õë
// //void Mmc3_Init();
// //void Mmc3_Reset();
// void Mmc3_UpdatePrg();
// void Mmc3_UpdateChr();
// void Mmc3_UpdatePrg2p(unsigned int addr,unsigned int bank);
// void Mmc3_UpdateChr2p(unsigned int addr,unsigned int bank);
// unsigned int Mmc3_GetChrSource(unsigned int);
// void Mmc3_HSync(uint32 scanline);
// void Mmc3_SwapChr1K(uint8 page,uint32 bank);
// void Mmc3_SwapChr2K(uint8 page,uint32 bank);
// void (MMC3::*UpdateChr)(unsigned int,unsigned int);
// void (MMC3::*UpdatePrg)(unsigned int,unsigned int);
// unsigned int (MMC3::*GetChrSource)(unsigned int);
// void (MMC3::*Poke_8000)(uint32 address,uint8 data);
// void (MMC3::*Poke_8001)(uint32 address,uint8 data);
// void (MMC3::*Poke_A000)(uint32 address,uint8 data);
// void (MMC3::*Poke_A001)(uint32 address,uint8 data);
// void (MMC3::*Poke_C000)(uint32 address,uint8 data);
// void (MMC3::*Poke_C001)(uint32 address,uint8 data);
// void (MMC3::*Poke_E000)(uint32 address,uint8 data);
// void (MMC3::*Poke_E001)(uint32 address,uint8 data);
//};
//MMC3.cpp
////////////////////////////////////////////////////////////////////////////
//// Nintendo MMC3 //
////////////////////////////////////////////////////////////////////////////
//using System.Net;
//using System;
//using Unity.Android.Gradle.Manifest;
//using VirtualNes.Core;
//MMC3::MMC3(NES * parent) : Mapper(parent)
//{
// UpdateChr = &MMC3::Mmc3_UpdateChr2p;
// UpdatePrg = &MMC3::Mmc3_UpdatePrg2p;
// GetChrSource = &MMC3::Mmc3_GetChrSource;
// Poke_8000 = &MMC3::Poke_Mmc3_8000;
// Poke_8001 = &MMC3::Poke_Mmc3_8001;
// Poke_A000 = &MMC3::Poke_Mmc3_A000;
// Poke_A001 = &MMC3::Poke_Mmc3_A001;
// Poke_C000 = &MMC3::Poke_Mmc3_C000;
// Poke_C001 = &MMC3::Poke_Mmc3_C001;
// Poke_E000 = &MMC3::Poke_Mmc3_E000;
// Poke_E001 = &MMC3::Poke_Mmc3_E001;
//}
//void MMC3::Reset()
//{
// int i;
// ctrl0 = 0;
// ctrl1 = 0;
// for (i = 0; i < 8; ++i)
// chr[i] = i;
// prg[0] = 0x00;
// prg[1] = 0x01;
// prg[2] = 0x3E;
// prg[3] = 0x3F;
// count = 0;
// latch = 0;
// reload = 0;
// enabled = 0;
// Mmc3_UpdatePrg();
// Mmc3_UpdateChr();
//}
//void MMC3::Write(WORD A, BYTE V)
//{
// switch (A & 0xE001)
// {
// case 0x8000: (this->* Poke_8000)(A, V); break;
// case 0x8001: (this->* Poke_8001)(A, V); break;
// case 0xA000: (this->* Poke_A000)(A, V); break;
// case 0xA001: (this->* Poke_A001)(A, V); break;
// case 0xC000: (this->* Poke_C000)(A, V); break;
// case 0xC001: (this->* Poke_C001)(A, V); break;
// case 0xE000: (this->* Poke_E000)(A, V); break;
// case 0xE001: (this->* Poke_E001)(A, V); break;
// }
//}
//void MMC3::Poke_Mmc3_8000(uint32 address, uint8 data)
//{
// const unsigned int diff = ctrl0 ^ data;
// ctrl0 = data;
// if (diff & 0x40)
// {
// const unsigned int v[2] =
// {
// prg[(data >> 5 & 0x2) ^ 0],
// prg[(data >> 5 & 0x2) ^ 2]
// };
// (this->* UpdatePrg)(0x0000, v[0]);
// (this->* UpdatePrg)(0x4000, v[1]);
// }
// if (diff & 0x80)
// Mmc3_UpdateChr();
//}
//void MMC3::Poke_Mmc3_8001(uint32 address, uint8 data)
//{
// unsigned int addr = ctrl0 & 0x7;
// if (addr < 6)
// {
// unsigned int base = ctrl0 << 5 & 0x1000;
// if (addr < 2)
// {
// addr <<= 1;
// base |= addr << 10;
// (this->* UpdateChr)(base | 0x0000, (chr[addr + 0] = data & 0xFE));
// (this->* UpdateChr)(base | 0x0400, (chr[addr + 1] = data | 0x01));
// }
// else
// {
// (this->* UpdateChr)((base ^ 0x1000) | (addr - 2) << 10, (chr[addr + 2] = data));
// }
// }
// else
// {
// (this->* UpdatePrg)((addr == 6) ? (ctrl0 << 8 & 0x4000) : 0x2000, (prg[addr - 6] = data & 0x3F));
// }
//}
//void MMC3::Poke_Mmc3_A000(uint32 address, uint8 data)
//{
// if (!nes->rom->Is4SCREEN())
// {
// if (data & 0x01)
// SetVRAM_Mirror(VRAM_HMIRROR);
// else
// SetVRAM_Mirror(VRAM_VMIRROR);
// }
//}
//void MMC3::Poke_Mmc3_A001(uint32 address, uint8 data)
//{
// ctrl1 = data;
//}
////////////////////////////////////////////////////////////////////////////
//// MMC3 IRQ
////////////////////////////////////////////////////////////////////////////
//void MMC3::Poke_Mmc3_C000(uint32 address, uint8 data)
//{
// count = data;
// reload = 0;
//}
//void MMC3::Poke_Mmc3_C001(uint32 address, uint8 data)
//{
// latch = data;
// reload = 0;
//}
//void MMC3::Poke_Mmc3_E000(uint32 address, uint8 data)
//{
//enabled = 0;
//reload = 0;
// nes->cpu->ClrIRQ(IRQ_MAPPER);
//}
//void MMC3::Poke_Mmc3_E001(uint32 address, uint8 data)
//{
// enabled = 1;
// reload = 0;
//}
//void MMC3::HSync(int scanline)
////void MMC3::Mmc3_HSync(uint32 scanline)
//{
// if ((scanline >= 0 && scanline <= 239))
// {
// if (nes->ppu->IsDispON())
// {
// if (enabled && !reload)
// {
// if (scanline == 0)
// {
// if (count)
// {
// count -= 1;
// }
// }
// if (!(count))
// {
// reload = 0xFF;
// count = latch;
// nes->cpu->SetIRQ(IRQ_MAPPER);
// }
// count--;
// }
// }
// }
//}
//void MMC3::Poke_Nop(uint32 addr, uint8 data)
//{
// return;
//}
//void MMC3::Mmc3_SwapChr1K(uint8 page, uint32 bank)
//{
// if ((this->* GetChrSource)(bank))
// {
// SetCRAM_1K_Bank(page, bank);
// }
// else
// {
// SetVROM_1K_Bank(page, bank);
// }
//}
//void MMC3::Mmc3_SwapChr2K(uint8 page, uint32 bank)
//{
// if ((this->* GetChrSource)(bank))
// {
// SetCRAM_2K_Bank(page, bank);
// }
// else
// {
// SetVROM_2K_Bank(page, bank);
// }
//}
//void MMC3::Mmc3_UpdatePrg2p(unsigned int addr, unsigned int bank)
//{
// SetPROM_8K_Bank((addr >> 13) + 4, bank);
//}
//void MMC3::Mmc3_UpdateChr2p(unsigned int addr, unsigned int bank)
//{
// Mmc3_SwapChr1K(addr >> 10, bank);
//}
//void MMC3::Mmc3_UpdatePrg()
//{
// const unsigned int x = ctrl0 >> 5 & 0x2;
// (this->* UpdatePrg)(0x0000, prg[0 ^ x]);
// (this->* UpdatePrg)(0x2000, prg[1 ^ 0]);
// (this->* UpdatePrg)(0x4000, prg[2 ^ x]);
// (this->* UpdatePrg)(0x6000, prg[3 ^ 0]);
//}
//void MMC3::Mmc3_UpdateChr()
//{
// const unsigned int x = ctrl0 >> 5 & 0x4;
// unsigned int i = 0;
// for (i = 0; i < 8; ++i)
// (this->* UpdateChr)(i * 0x400, chr[i ^ x]);
//}
//unsigned int MMC3::Mmc3_GetChrSource(unsigned int dummy){return 0;}
//void MMC3::SaveState(LPBYTE p)
//{
// //ûдºÃ
//}
//void MMC3::LoadState(LPBYTE p)
//{
// //ûдºÃ
//}
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