public void Compute()
        {
            //int iX = InputX.Get2sComplement(), iY = InputY.Get2sComplement();
            int iX = InputX.GetValue(), iY = InputY.GetValue();

            if (ZeroX.Value == 1)
            {
                iX = 0;
            }
            if (ZeroY.Value == 1)
            {
                iY = 0;
            }
            if (NotX.Value == 1)
            {
                iX = ~iX;
            }
            if (NotY.Value == 1)
            {
                iY = ~iY;
            }

            int iResult = 0;

            if (F.Value == 0)
            {
                iResult = iX & iY;
            }
            else
            {
                iResult = iX + iY;
            }

            if (NotOutput.Value == 1)
            {
                iResult = ~iResult;
            }

            Output.SetValue(iResult);
            //Output.Set2sComplement(iResult);
            if (iResult == 0)
            {
                Zero.Value = 1;
            }
            else
            {
                Zero.Value = 0;
            }

            if (Output.GetValue() < 0)
            {
                Negative.Value = 1;
            }
            else
            {
                Negative.Value = 0;
            }

            //Console.WriteLine("ALU state: " + ToString());
        }