public bool LoadProgramFile(string filePath)
{
if (cartridge != null)
{
bus.RemoveComponent(cartridge);
}
cartridge = new Cartridge(filePath, bus);
bus.AddComponent(cartridge, new BusAddressRange(0x4020, 0xFFFF));
ppu.SetCartridge(cartridge);
return(true);
}
public NES()
{
//clock = new SystemClock(200000);
clock = new SystemClock(5369318); // 1/4 speed of real system, but emulate-able
//clock = new SystemClock(21477272); // True speed
bus = new SystemBus(0xFFFF);
RAM ram = new RAM(2048);
ppu = new PPU(clock, bus);
cpu = new CPU_2A03(new ClockDivider(clock, 3), bus); // 3x slower than PPU
apu = new APU(new ClockDivider(clock, 6)); // 6x slower than PPU
controllers[0] = new Controller(0x4016);
controllers[1] = new Controller(0x4017);
bus.AddComponent(ram, new BusAddressRange(0x0000, 0x1FFF));
bus.AddComponent(ppu, new BusAddressRange(0x2000, 0x3FFF));
bus.AddComponent(apu, new BusAddressRange(0x4000, 0x4013));
bus.AddComponent(cpu, new BusAddressRange(0x4014, 0x4014));
bus.AddComponent(apu, new BusAddressRange(0x4015, 0x4015));
bus.AddComponent((Controller)controllers[0], new BusAddressRange(0x4016, 0x4016));
bus.AddComponent((Controller)controllers[1], new BusAddressRange(0x4017, 0x4017));
bus.AddComponent(apu, new BusAddressRange(0x4017, 0x4017));
}