public InstructionConfigurator(ISystemBridge bridge)
{
_bridge = bridge;
_addressOperation = new AddressOperationInstruction();
_binaryRegistersOperation = new BinaryRegistersOperationInstruction();
_callableOperation = new CallableInstruction();
_registerAddressOperation = new RegisterAddressOperationInstruction();
_unrayOperation = new UnaryOperationInstruction();
}
public IChip8Device Build(IKeyboard keyboard, IDisplay display)
{
IArithmeticLogicUnit alu = BuildALU();
IMemoryManagementUnit mmu = new MemoryManagementUnit();
ISystemBridge systemBridge = BuildBridge(mmu, alu, display, keyboard);
ICentralProcessingUnit cpu = BuildCPU(alu, mmu, systemBridge);
Chip8Device device = new Chip8Device(cpu, mmu, systemBridge, keyboard, display);
LoadFonts(mmu, Fontset, FontOffset);
return(device);
}
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 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);
}
