public void Insert(DataBus cpuBus, DataBus ppuBus)
{
_cpuBus = cpuBus;
_ppuBus = ppuBus;
cpuBus.ConnectDevice(this, 0x4020, 0xFFFF);
ppuBus.ConnectDevice(this, 0x0000, 0x1FFF);
if (Mapper.NameTableSize > 0)
{
ppuBus.ConnectDevice(this, 0x2000, 0x2000 + Mapper.NameTableSize);
}
}
static void Run(byte[] program)
{
Rom programMemory = new Rom(program);
DataBus mainBus = new DataBus(0xFFFF);
mainBus.ConnectDevice(programMemory, (uint)(0xFFFF - program.Length), 0xFFFF);
Cpu cpu = new Cpu(mainBus);
cpu.Reset();
stepMode = StepMode.RUN;
ProcessInput();
while (true)
{
bool isDoStep = doStep;
if (stepMode == StepMode.RUN || doStep)
{
cpu.Clock();
}
//if (cpu.RemainingInstructionCycles == 0)
//{
if (stepMode == StepMode.RUN || doStep)
{
Console.WriteLine("A: ${0:X2} | X: ${1:X2} | Y: ${2:X2}", cpu.A, cpu.X, cpu.Y);
Console.WriteLine("PC: ${0:X4}", cpu.ProgramCounter);
Console.WriteLine("Next: {0}", InstructionSet.InstuctionsByOpcode[programMemory.ReadByte(cpu.ProgramCounter)].Name);
}
if (stepMode == StepMode.STEP && isDoStep == doStep)
{
doStep = false;
}
//}
}
}
public override bool OnUserCreate()
{
// SETUP THE RAM
_ram = new Ram(NES_RAM_SIZE);
// SETUP THE BUSSES
_cpuBus = new DataBus(CPU_ADDRESSABLE_RANGE);
_ppuBus = new DataBus(PPU_ADDRESSABLE_RANGE);
_cpuBus.ConnectDevice(_ram, 0x0000, 0x1FFF);
// SETUP THE CPU
_cpu = new Cpu(_cpuBus);
// SETUP THE PPU
_ppu = new Ppu(_ppuBus, _cpu);
_oamDma = new OamDirectMemoryAccess(_ppu, _ram);
_ppuControlBus = new PpuControlBus(_ppu);
_cpuExtended = new CpuExtended(_oamDma, _cpu);
_cpuBus.ConnectDevice(_cpuExtended, 0x4000, 0x4015);
// 4016 is connected to controller device
_cpuBus.ConnectDevice(_cpuExtended, 0x4017, 0x401F);
_cpuBus.ConnectDevice(_ppuControlBus, 0x2000, 0x3FFF);
// SETUP THE CARTRIDGE
_cartridge = new Cartridge();
//_cartridge.Load(@"D:\tmp\full_palette.nes");
//_cartridge.Load(@"D:\tmp\nestest.nes");
//_cartridge.Load(@"D:\tmp\Legend of Zelda, The (USA).nes");
_cartridge.Load(@"E:\games\roms\Super Mario Bros (E).nes");
//_cartridge.Load(@"D:\tmp\Super Mario Bros. 3 (USA).nes");
//_cartridge.Load(@"D:\tmp\Clu Clu Land (World).nes");
//_cartridge.Load(@"D:\tmp\DuckTales (USA).nes");
//_cartridge.Load(@"D:\tmp\Chip n Dale - Rescue Rangers (USA).nes");
//_cartridge.Load(@"D:\tmp\Ninja Gaiden (USA).nes");
_cartridge.Insert(_cpuBus, _ppuBus);
if (_cartridge.Mapper.NameTableSize < 0x2000)
{
_vram = new NameTableRam(_cartridge);
_ppuBus.ConnectDevice(_vram, 0x2000, 0x3EFF);
_paletteRam = new PaletteRam();
_ppuBus.ConnectDevice(_paletteRam, 0x3F00, 0x3FFF);
}
_controller = new Controller();
_cpuBus.ConnectDevice(_controller, 0x4016, 0x4016);
// RESET TO INITIAL STATE
_cpu.Reset();
//Thread printThread = new Thread(this.tStart);
//printThread.Start();
//_ppuThread = new Thread(this.ppuStart);
//_cpuThread = new Thread(this.cpuStart);
//_ppuThread.Start(_ppu);
//_cpuThread.Start(_cpu);
//Thread main = new Thread(this.mainStart);
//main.Start();
return(true);
}