public AudioProcessingUnit(IntPtr handle, NesEmulator NesEmu, SystemBus systemBus)
{
_Nes = NesEmu;
_systemBus = systemBus;
InitDirectSound(handle);
_handle = handle;
}
public PictureProcessingUnit(NesEmulator theEngine, SystemBus systemBus)
{
_bus = systemBus;
myEngine = theEngine;
nameTables = new byte[0x2000];
spriteRam = new byte[0x100];
RestartPPU();
}
/// <summary>
/// The main cpu of the nes
/// </summary>
/// <param name="NesEmu">The current nes machine</param>
public Cpu6502(NesEmulator NesEmu, SystemBus bus)
{
_bus = bus;
_NesEmu = NesEmu;
a_register = 0;
x_index_register = 0;
y_index_register = 0;
sp_register = 0xff;
}
public SystemOrchestration(AudioProcessingUnit apu,
PictureProcessingUnit ppu,
SystemBus bus,
Cpu6502 cpu,
NesEmulator emulator)
{
_apu = apu;
_ppu = ppu;
_cpu = cpu;
_systemBus = bus;
_emulator = emulator;
}
public SystemBus(NesEmulator nes)
{
_nes = nes;
}
public Chn_DMC(NesEmulator NesEmu, SystemBus bus)
{
_Nes = NesEmu;
_bus = bus;
}
public Mappers(NesEmulator theEngine, ref Cart theCartridge, SystemBus bus)
{
_bus = bus;
myEngine = theEngine;
mapperCartridge = theCartridge;
current_prg_rom_page = new uint[8];
current_chr_rom_page = new uint[8];
}
/// <summary>
/// The state saver / loader
/// </summary>
/// <param name="NesEmu">The current system you want to save / load state from / into</param>
public State(NesEmulator NesEmu)
{
_Nes = NesEmu;
}
public void ApplyDataToNes(NesEmulator _Nes)
{
//CPU
_Nes.my6502.a_register = a_register;
_Nes.my6502.x_index_register = x_index_register;
_Nes.my6502.y_index_register = y_index_register;
_Nes.my6502.sp_register = sp_register;
_Nes.my6502.pc_register = pc_register;
_Nes.my6502.carry_flag = carry_flag;
_Nes.my6502.zero_flag = zero_flag;
_Nes.my6502.interrupt_flag = interrupt_flag;
_Nes.my6502.decimal_flag = decimal_flag;
_Nes.my6502.brk_flag = brk_flag;
_Nes.my6502.overflow_flag = overflow_flag;
_Nes.my6502.sign_flag = sign_flag;
_Nes.my6502.tick_count = tick_count;
_Nes.my6502.total_cycles = total_cycles;
_Nes.my6502.currentOpcode = currentOpcode;
_Nes.my6502.previousPC = previousPC;
//MEMORY
_Nes.scratchRam = scratchRam;
_Nes.saveRam = saveRam;
_Nes.JoyData1 = JoyData1;
_Nes.JoyData2 = JoyData2;
_Nes.JoyStrobe = JoyStrobe;
_Nes.isSaveRAMReadonly = isSaveRAMReadonly;
//CART
if (_Nes.myCartridge.chr_rom_pages == 0)
_Nes.myCartridge.chr_rom = chr_rom;
_Nes.myCartridge.mirroring = mirroring;
_Nes.myCartridge.save_ram_present = save_ram_present;
_Nes.myCartridge.is_vram = is_vram;
_Nes.myCartridge.mirroringBase = mirroringBase;
//MAPPERS
_Nes.myMapper.current_prg_rom_page = current_prg_rom_page;
_Nes.myMapper.current_chr_rom_page = current_chr_rom_page;
//PPU
_Nes.myPPU.executeNMIonVBlank = executeNMIonVBlank;
_Nes.myPPU.ppuMaster = ppuMaster;
_Nes.myPPU.spriteSize = spriteSize;
_Nes.myPPU.backgroundAddress = backgroundAddress;
_Nes.myPPU.spriteAddress = spriteAddress;
_Nes.myPPU.ppuAddressIncrement = ppuAddressIncrement;
_Nes.myPPU.nameTableAddress = nameTableAddress;
_Nes.myPPU.monochromeDisplay = monochromeDisplay;
_Nes.myPPU.noBackgroundClipping = noBackgroundClipping;
_Nes.myPPU.noSpriteClipping = noSpriteClipping;
_Nes.myPPU.backgroundVisible = backgroundVisible;
_Nes.myPPU.spritesVisible = spritesVisible;
_Nes.myPPU.ppuColor = ppuColor;
_Nes.myPPU.sprite0Hit = sprite0Hit;
_Nes.myPPU.vramReadWriteAddress = vramReadWriteAddress;
_Nes.myPPU.prev_vramReadWriteAddress = prev_vramReadWriteAddress;
_Nes.myPPU.vramHiLoToggle = vramHiLoToggle;
_Nes.myPPU.vramReadBuffer = vramReadBuffer;
_Nes.myPPU.scrollV = scrollV;
_Nes.myPPU.scrollH = scrollH;
_Nes.myPPU.currentScanline = currentScanline;
_Nes.myPPU.nameTables = nameTables;
_Nes.myPPU.spriteRam = spriteRam;
_Nes.myPPU.spriteRamAddress = spriteRamAddress;
_Nes.myPPU.spritesCrossed = spritesCrossed;
_Nes.frameCounter = frameCounter;
//APU
_Nes.myAPU.FrameCounter = FrameCounter;
_Nes.myAPU.PAL = _PAL;
_Nes.myAPU.FrameIRQ = _FrameIRQ;
//MAPPER 1
if (_Nes.myCartridge.mapper == 1)
{
Mapper1 map1 = (Mapper1)_Nes.myMapper.CurrentMapper;
map1.mapper1_register8000BitPosition = mapper1_register8000BitPosition;
map1.mapper1_registerA000BitPosition = mapper1_registerA000BitPosition;
map1.mapper1_registerC000BitPosition = mapper1_registerC000BitPosition;
map1.mapper1_registerE000BitPosition = mapper1_registerE000BitPosition;
map1.mapper1_register8000Value = mapper1_register8000Value;
map1.mapper1_registerA000Value = mapper1_registerA000Value;
map1.mapper1_registerC000Value = mapper1_registerC000Value;
map1.mapper1_registerE000Value = mapper1_registerE000Value;
map1.mapper1_mirroringFlag = mapper1_mirroringFlag;
map1.mapper1_onePageMirroring = mapper1_onePageMirroring;
map1.mapper1_prgSwitchingArea = mapper1_prgSwitchingArea;
map1.mapper1_prgSwitchingSize = mapper1_prgSwitchingSize;
map1.mapper1_vromSwitchingSize = mapper1_vromSwitchingSize;
}
//MAPPER 4
if (_Nes.myCartridge.mapper == 4)
{
Mapper4 map4 = (Mapper4)_Nes.myMapper.CurrentMapper;
map4.mapper4_commandNumber = mapper4_commandNumber;
map4.mapper4_prgAddressSelect = mapper4_prgAddressSelect;
map4.mapper4_chrAddressSelect = mapper4_chrAddressSelect;
map4.timer_irq_enabled = mapper4_timer_irq_enabled;
map4.timer_irq_count = mapper4_timer_irq_count;
map4.timer_irq_reload = mapper4_timer_irq_reload;
}
//MAPPER 5
if (_Nes.myCartridge.mapper == 5)
{
Mapper5 map5 = (Mapper5)_Nes.myMapper.CurrentMapper;
map5.mapper5_prgBankSize = mapper5_prgBankSize;
map5.mapper5_chrBankSize = mapper5_chrBankSize;
map5.mapper5_scanlineSplit = mapper5_scanlineSplit;
map5.mapper5_splitIrqEnabled = mapper5_splitIrqEnabled;
}
//MAPPER 9
if (_Nes.myCartridge.mapper == 9)
{
Mapper9 map9 = (Mapper9)_Nes.myMapper.CurrentMapper;
map9.latch1 = mapper9_latch1;
map9.latch2 = mapper9_latch2;
map9.latch1data1 = mapper9_latch1data1;
map9.latch1data2 = mapper9_latch1data2;
map9.latch2data1 = mapper9_latch2data1;
map9.latch2data2 = mapper9_latch2data2;
}
//MAPPER 10
if (_Nes.myCartridge.mapper == 10)
{
Mapper10 map10 = (Mapper10)_Nes.myMapper.CurrentMapper;
map10.latch1 = mapper10_latch1;
map10.latch2 = mapper10_latch2;
map10.latch1data1 = mapper10_latch1data1;
map10.latch1data2 = mapper10_latch1data2;
map10.latch2data1 = mapper10_latch2data1;
map10.latch2data2 = mapper10_latch2data2;
}
//MAPPER 16
if (_Nes.myCartridge.mapper == 16)
{
Mapper16 map16 = (Mapper16)_Nes.myMapper.CurrentMapper;
map16.timer_irq_counter_16 = timer_irq_counter_16;
map16.timer_irq_Latch_16 = timer_irq_Latch_16;
map16.timer_irq_enabled = timer_irq_enabled;
}
//MAPPER 18
if (_Nes.myCartridge.mapper == 18)
{
Mapper18 map18 = (Mapper18)_Nes.myMapper.CurrentMapper;
map18.Mapper18_Timer = Mapper18_Timer;
map18.Mapper18_latch = Mapper18_latch;
map18.mapper18_control = mapper18_control;
map18.Mapper18_IRQWidth = Mapper18_IRQWidth;
map18.timer_irq_enabled = Mapper18_timer_irq_enabled;
map18.x = Mapper18_x;
}
//MAPPER 225
if (_Nes.myCartridge.mapper == 225)
{
Mapper225 map225 = (Mapper225)_Nes.myMapper.CurrentMapper;
map225.Mapper225_reg0 = Mapper225_reg0;
map225.Mapper225_reg1 = Mapper225_reg1;
map225.Mapper225_reg2 = Mapper225_reg2;
map225.Mapper225_reg3 = Mapper225_reg3;
}
//MAPPER 32
if (_Nes.myCartridge.mapper == 32)
{
Mapper32 map32 = (Mapper32)_Nes.myMapper.CurrentMapper;
map32.mapper32SwitchingMode = mapper32SwitchingMode;
}
//MAPPER 41
if (_Nes.myCartridge.mapper == 41)
{
Mapper41 map41 = (Mapper41)_Nes.myMapper.CurrentMapper;
map41.Mapper41_CHR_Low = Mapper41_CHR_Low;
map41.Mapper41_CHR_High = Mapper41_CHR_High;
}
//MAPPER 64
if (_Nes.myCartridge.mapper == 64)
{
Mapper64 map64 = (Mapper64)_Nes.myMapper.CurrentMapper;
map64.mapper64_commandNumber = mapper64_commandNumber;
map64.mapper64_prgAddressSelect = mapper64_prgAddressSelect;
map64.mapper64_chrAddressSelect = mapper64_chrAddressSelect;
}
}
public void LoadNesData(NesEmulator _Nes)
{
//CPU
a_register = _Nes.my6502.a_register;
x_index_register = _Nes.my6502.x_index_register;
y_index_register = _Nes.my6502.y_index_register;
sp_register = _Nes.my6502.sp_register;
pc_register = _Nes.my6502.pc_register;
carry_flag = _Nes.my6502.carry_flag;
zero_flag = _Nes.my6502.zero_flag;
interrupt_flag = _Nes.my6502.interrupt_flag;
decimal_flag = _Nes.my6502.decimal_flag;
brk_flag = _Nes.my6502.brk_flag;
overflow_flag = _Nes.my6502.overflow_flag;
sign_flag = _Nes.my6502.sign_flag;
tick_count = _Nes.my6502.tick_count;
total_cycles = _Nes.my6502.total_cycles;
currentOpcode = _Nes.my6502.currentOpcode;
previousPC = _Nes.my6502.previousPC;
//MEMORY
scratchRam = _Nes.scratchRam;
saveRam = _Nes.saveRam;
JoyData1 = _Nes.JoyData1;
JoyData2 = _Nes.JoyData2;
JoyStrobe = _Nes.JoyStrobe;
isSaveRAMReadonly = _Nes.isSaveRAMReadonly;
//CART
/*
* We must save the chr_rom ONLY if the cart comes
* with 0 chr_pages.
*/
if (_Nes.myCartridge.chr_rom_pages == 0)
chr_rom = _Nes.myCartridge.chr_rom;
mirroring = _Nes.myCartridge.mirroring;
save_ram_present = _Nes.myCartridge.save_ram_present;
is_vram = _Nes.myCartridge.is_vram;
mirroringBase = _Nes.myCartridge.mirroringBase;
//MAPPERS
current_prg_rom_page = _Nes.myMapper.current_prg_rom_page;
current_chr_rom_page = _Nes.myMapper.current_chr_rom_page;
//PPU
executeNMIonVBlank = _Nes.myPPU.executeNMIonVBlank;
ppuMaster = _Nes.myPPU.ppuMaster;
spriteSize = _Nes.myPPU.spriteSize;
backgroundAddress = _Nes.myPPU.backgroundAddress;
spriteAddress = _Nes.myPPU.spriteAddress;
ppuAddressIncrement = _Nes.myPPU.ppuAddressIncrement;
nameTableAddress = _Nes.myPPU.nameTableAddress;
monochromeDisplay = _Nes.myPPU.monochromeDisplay;
noBackgroundClipping = _Nes.myPPU.noBackgroundClipping;
noSpriteClipping = _Nes.myPPU.noSpriteClipping;
backgroundVisible = _Nes.myPPU.backgroundVisible;
spritesVisible = _Nes.myPPU.spritesVisible;
ppuColor = _Nes.myPPU.ppuColor;
sprite0Hit = _Nes.myPPU.sprite0Hit;
vramReadWriteAddress = _Nes.myPPU.vramReadWriteAddress;
prev_vramReadWriteAddress = _Nes.myPPU.prev_vramReadWriteAddress;
vramHiLoToggle = _Nes.myPPU.vramHiLoToggle;
vramReadBuffer = _Nes.myPPU.vramReadBuffer;
scrollV = _Nes.myPPU.scrollV;
scrollH = _Nes.myPPU.scrollH;
currentScanline = _Nes.myPPU.currentScanline;
nameTables = _Nes.myPPU.nameTables;
spriteRam = _Nes.myPPU.spriteRam;
spriteRamAddress = _Nes.myPPU.spriteRamAddress;
spritesCrossed = _Nes.myPPU.spritesCrossed;
frameCounter = _Nes.frameCounter;
//APU
FrameCounter = _Nes.myAPU.FrameCounter;
_PAL = _Nes.myAPU.PAL;
_FrameIRQ = _Nes.myAPU.FrameIRQ;
//MAPPERS
//MAPPER 1
if (_Nes.myCartridge.mapper == 1)
{
Mapper1 map1 = (Mapper1)_Nes.myMapper.CurrentMapper;
mapper1_register8000BitPosition = map1.mapper1_register8000BitPosition;
mapper1_registerA000BitPosition = map1.mapper1_registerA000BitPosition;
mapper1_registerC000BitPosition = map1.mapper1_registerC000BitPosition;
mapper1_registerE000BitPosition = map1.mapper1_registerE000BitPosition;
mapper1_register8000Value = map1.mapper1_register8000Value;
mapper1_registerA000Value = map1.mapper1_registerA000Value;
mapper1_registerC000Value = map1.mapper1_registerC000Value;
mapper1_registerE000Value = map1.mapper1_registerE000Value;
mapper1_mirroringFlag = map1.mapper1_mirroringFlag;
mapper1_onePageMirroring = map1.mapper1_onePageMirroring;
mapper1_prgSwitchingArea = map1.mapper1_prgSwitchingArea;
mapper1_prgSwitchingSize = map1.mapper1_prgSwitchingSize;
mapper1_vromSwitchingSize = map1.mapper1_vromSwitchingSize;
}
//MAPPER 4
if (_Nes.myCartridge.mapper == 4)
{
Mapper4 map4 = (Mapper4)_Nes.myMapper.CurrentMapper;
mapper4_commandNumber = map4.mapper4_commandNumber;
mapper4_prgAddressSelect = map4.mapper4_prgAddressSelect;
mapper4_chrAddressSelect = map4.mapper4_chrAddressSelect;
mapper4_timer_irq_enabled = map4.timer_irq_enabled;
mapper4_timer_irq_count = map4.timer_irq_count;
mapper4_timer_irq_reload = map4.timer_irq_reload;
}
//MAPPER 5
if (_Nes.myCartridge.mapper == 5)
{
Mapper5 map5 = (Mapper5)_Nes.myMapper.CurrentMapper;
mapper5_prgBankSize = map5.mapper5_prgBankSize;
mapper5_chrBankSize = map5.mapper5_chrBankSize;
mapper5_scanlineSplit = map5.mapper5_scanlineSplit;
mapper5_splitIrqEnabled = map5.mapper5_splitIrqEnabled;
}
//MAPPER 9
if (_Nes.myCartridge.mapper == 9)
{
Mapper9 map9 = (Mapper9)_Nes.myMapper.CurrentMapper;
mapper9_latch1 = map9.latch1;
mapper9_latch2 = map9.latch2;
mapper9_latch1data1 = map9.latch1data1;
mapper9_latch1data2 = map9.latch1data2;
mapper9_latch2data1 = map9.latch2data1;
mapper9_latch2data2 = map9.latch2data2;
}
//MAPPER 10
if (_Nes.myCartridge.mapper == 10)
{
Mapper10 map10 = (Mapper10)_Nes.myMapper.CurrentMapper;
mapper10_latch1 = map10.latch1;
mapper10_latch2 = map10.latch2;
mapper10_latch1data1 = map10.latch1data1;
mapper10_latch1data2 = map10.latch1data2;
mapper10_latch2data1 = map10.latch2data1;
mapper10_latch2data2 = map10.latch2data2;
}
//MAPPER 16
if (_Nes.myCartridge.mapper == 16)
{
Mapper16 map16 = (Mapper16)_Nes.myMapper.CurrentMapper;
timer_irq_counter_16 = map16.timer_irq_counter_16;
timer_irq_Latch_16 = map16.timer_irq_Latch_16;
timer_irq_enabled = map16.timer_irq_enabled;
}
//MAPPER 18
if (_Nes.myCartridge.mapper == 18)
{
Mapper18 map18 = (Mapper18)_Nes.myMapper.CurrentMapper;
Mapper18_Timer = map18.Mapper18_Timer;
Mapper18_latch = map18.Mapper18_latch;
mapper18_control = map18.mapper18_control;
Mapper18_IRQWidth = map18.Mapper18_IRQWidth;
Mapper18_timer_irq_enabled = map18.timer_irq_enabled;
Mapper18_x = map18.x;
}
//MAPPER 225
if (_Nes.myCartridge.mapper == 225)
{
Mapper225 map225 = (Mapper225)_Nes.myMapper.CurrentMapper;
Mapper225_reg0 = map225.Mapper225_reg0;
Mapper225_reg1 = map225.Mapper225_reg1;
Mapper225_reg2 = map225.Mapper225_reg2;
Mapper225_reg3 = map225.Mapper225_reg3;
}
//MAPPER 32
if (_Nes.myCartridge.mapper == 32)
{
Mapper32 map32 = (Mapper32)_Nes.myMapper.CurrentMapper;
mapper32SwitchingMode = map32.mapper32SwitchingMode;
}
//MAPPER 41
if (_Nes.myCartridge.mapper == 41)
{
Mapper41 map41 = (Mapper41)_Nes.myMapper.CurrentMapper;
Mapper41_CHR_Low = map41.Mapper41_CHR_Low;
Mapper41_CHR_High = map41.Mapper41_CHR_High;
}
//MAPPER 64
if (_Nes.myCartridge.mapper == 64)
{
Mapper64 map64 = (Mapper64)_Nes.myMapper.CurrentMapper;
mapper64_commandNumber = map64.mapper64_commandNumber;
mapper64_prgAddressSelect = map64.mapper64_prgAddressSelect;
mapper64_chrAddressSelect = map64.mapper64_chrAddressSelect;
}
}
