public Z80(ReadOnlyArray<byte> rom, IMemoryManagementUnit mmu)
{
InitOpcodes();
this.mmu = mmu;
this.rom = rom;
}
public InstructionReader(IMemoryManagementUnit mmu, IInstructionPointerRegister ipr)
{
MMU = mmu;
IP = ipr;
IP.OnJump += OnJump;
Reset();
}
public Z80(ReadOnlyArray <byte> rom, IMemoryManagementUnit mmu)
{
InitOpcodes();
this.mmu = mmu;
this.rom = rom;
}
private void LoadFonts(IMemoryManagementUnit mmu, Byte[] fonts, int fontsOffset)
{
for (int i = 0; i < fonts.Length; i++)
{
mmu[i + fontsOffset] = fonts[i];
}
}
private ICentralProcessingUnit BuildCPU(IArithmeticLogicUnit alu, IMemoryManagementUnit mmu, ISystemBridge bridge)
{
IInstructionConfigurator configurator = new InstructionConfigurator(bridge);
IInstructionParser parser = new InstructionParser(configurator);
InstructionReader reader = new InstructionReader(mmu, alu.IP);
ICentralProcessingUnit cpu = new CentralProcessingUnit(alu, parser, reader);
return(cpu);
}
public SystemBridge(IMemoryManagementUnit mmu, IArithmeticLogicUnit alu, IDisplay display, IKeyboard keyboard)
{
_mmu = mmu;
_alu = alu;
_display = display;
_keyboard = keyboard;
// TODO: calculate according to display settings?
_spriteBuffer = new Byte[MaxSpriteSize];
}
public Chip8Device(
ICentralProcessingUnit cpu,
IMemoryManagementUnit mmu,
ISystemBridge systemBridge,
IKeyboardDataSource keyboard,
IDisplay display)
{
// TODO: subscribe to device events
CPU = cpu;
MMU = mmu;
Bridge = systemBridge;
Keyboard = keyboard;
Display = display;
}
private ISystemBridge BuildBridge(IMemoryManagementUnit mmu, IArithmeticLogicUnit alu, IDisplay display, IKeyboard keyboard)
{
ISystemBridge bridge = new SystemBridge(mmu, alu, display, keyboard);
return(bridge);
}
private static void Reset()
{
GPU = null;
CPU = null;
MMU = null;
}
public static void Init()
{
CPU = new CPU();
GPU = new GPU();
MMU = new MMU();
}
public static void Init(ICentralProcessingUnit cpu, IGraphicsProcessingUnit gpu, IMemoryManagementUnit mmu)
{
CPU = cpu;
GPU = gpu;
MMU = mmu;
}
