public void SetMemoryAddress(IByte address)
{
MemoryAddressRegister.Set = true;
MemoryAddressRegister.Apply(address);
MemoryAddressRegister.Set = false;
Apply();
}
public void MemoryAddressRegisterInputs()
{
DataBus bus = new DataBus();
SignalBus signals = new SignalBus();
Register memoryAddress = new MemoryAddressRegister(bus, signals);
bus.Value = 0xF;
signals.MI = true;
memoryAddress.ReadFromBus();
Assert.AreEqual(0xF, memoryAddress.Value);
}
public void MemoryInputsDataToAddressDefinedInRegister()
{
DataBus bus = new DataBus();
SignalBus signals = new SignalBus();
Register memoryAddress = new MemoryAddressRegister(bus, signals);
Memory ram = new Memory(bus, signals, memoryAddress);
bus.Value = 255;
memoryAddress.Value = 0xF;
signals.RI = true;
ram.ReadFromBus();
Assert.AreEqual(255, ram.Get(0xF));
}
public void MemoryOutputsDataByAddressInRegister()
{
DataBus bus = new DataBus();
SignalBus signals = new SignalBus();
Register memoryAddress = new MemoryAddressRegister(bus, signals);
Memory ram = new Memory(bus, signals, memoryAddress);
ram.Store(0xF, 255);
memoryAddress.Value = 0xF;
signals.RO = true;
ram.WriteToBus();
Assert.AreEqual(255, bus.Value);
}
/**
* @brief Links all the component so they
* can be used in micro instructions.
*/
public void LinkCPUcomponents(
ProgramCounter PC, MemoryAddressRegister MAR,
MemoryDataRegister MDR, InstructionRegister IR,
GeneralPurposeRegisterA GPA, GeneralPurposeRegisterB GPB,
ProcessStatusRegister PSR,
MemoryListControl memory, ArithmeticLogicUnit ALU,
Clock clock, BusControl busSystem)
{
this.PC = PC;
this.MAR = MAR;
this.MDR = MDR;
this.IR = IR;
this.GPA = GPA;
this.GPB = GPB;
this.PSR = PSR;
this.memory = memory;
this.ALU = ALU;
this.clock = clock;
this.busSystem = busSystem;
}
