protected override bool[] GetShifter(IRegister <IByte> inputRegister)
{
var(secondRegisterInput, shiftOut) = _rightByteShifter.Shift(inputRegister.Output, ShiftIn);
ShiftOut = shiftOut;
return(secondRegisterInput.ToBits());
}
public AluOutput Apply(IByte a, IByte b, bool carryIn, Op op)
{
var opDecoder = _byteDecoder.Decode(op.One, op.Two, op.Three);
var xOr = _byteXOr.Apply(a, b);
var or = _byteOr.Apply(a, b);
var and = _byteAnd.Apply(a, b);
var not = _inverter.Invert(a);
var shiftLeft = _leftByteShifter.Shift(a, carryIn);
var shiftRight = _rightByteShifter.Shift(a, carryIn);
var adder = _byteAdder.Add(a, b, carryIn);
var comparatorResult = _byteComparator.AreEqual(a, b, true, false);
var enabledAdd = _byteEnabler.Apply(adder.Sum, opDecoder[0]);
var enabledShiftRight = _byteEnabler.Apply(shiftRight.Ouput, opDecoder[1]);
var enabledShiftLeft = _byteEnabler.Apply(shiftLeft.Ouput, opDecoder[2]);
var enabledNot = _byteEnabler.Apply(not, opDecoder[3]);
var enabledAnd = _byteEnabler.Apply(and, opDecoder[4]);
var enabledOr = _byteEnabler.Apply(or, opDecoder[5]);
var enabledXOr = _byteEnabler.Apply(xOr, opDecoder[6]);
var enabledComparator = _byteEnabler.Apply(comparatorResult.output, opDecoder[7]);
var carryOutAdd = _and.Apply(adder.CarryOut, opDecoder[0]);
var carryOutShiftRight = _and.Apply(shiftRight.ShiftOut, opDecoder[1]);
var carryOutShiftLeft = _and.Apply(shiftLeft.ShiftOut, opDecoder[2]);
var carryOut = _or.Apply(carryOutAdd, carryOutShiftRight, carryOutShiftLeft);
var output = _aluWire.Apply(enabledAdd, enabledShiftLeft, enabledShiftRight, enabledNot, enabledAnd,
enabledOr, enabledXOr, enabledComparator);
var zero = _isZeroGate.IsZero(output);
var aluOutput = new AluOutput
{
ALarger = comparatorResult.ALarger,
CarryOut = carryOut,
Equal = comparatorResult.equal,
Output = output,
Zero = zero
};
_updateFlags(new Caez {
C = aluOutput.CarryOut, A = aluOutput.ALarger, E = aluOutput.Equal, Z = aluOutput.Zero
});
_updateAcc(aluOutput.Output);
return(aluOutput);
}
