private void UpdateIoStep5()
{
var step53X87NotIr4 = _and.Apply(Step5, PinStates.ThreeXEight[7], _not.Apply(_instruction[4]));
// sets
PinStates.RegB.Set = NewPinState(PinStates.RegB.Set, step53X87NotIr4);
PinStates.IoClk.Enable = NewPinState(PinStates.IoClk.Enable, ClkEAnd(step53X87NotIr4));
}
private bool ApplyXor(bool a, bool b)
{
var notA = _not.Apply(a);
var notB = _not.Apply(b);
var nAndA = _nAnd.Apply(a, notB);
var nAndB = _nAnd.Apply(notA, b);
return(_nAnd.Apply(nAndA, nAndB));
}
public (bool equal, bool ALarger, bool output) AreEqual(bool a, bool b, bool aboveBitIsEqual,
bool aboveBitALarger)
{
var unequal = _xOr.Apply(a, b);
var equal = _not.Apply(unequal);
var equalAndAboveBitEqual = _and.Apply(equal, aboveBitIsEqual);
var aLarger = _and.Apply(aboveBitIsEqual, unequal, a);
var aLargerOrAboveALarger = _or.Apply(aLarger, aboveBitALarger);
return(equalAndAboveBitEqual, aLargerOrAboveALarger, unequal);
}
/// <summary>
/// A decoder takes inputs like a truth table.
/// So using the GenerateCombinations method we can no what inputs need to be negated based on the truth table
/// </summary>
/// <param name="combinations"></param>
/// <param name="inputList"></param>
/// <returns></returns>
private IEnumerable <List <bool> > CreateGatesInputs(IEnumerable <BitList> combinations,
IEnumerable <bool> inputList)
{
var input = inputList.Reverse().ToList();
return(combinations.Select(
combination =>
combination.Select(
(bit, bitIndex) =>
bit
? input[bitIndex]
: _not.Apply(input[bitIndex])).ToList()
)
.ToList());
}
public IByte Apply(IByte input, bool bus1)
{
Input = input;
Set = bus1;
var one = input[0];
var rest = input.Skip(1).ToArray();
var notBus1 = _not.Apply(bus1);
var notAndRest = rest.Select(s => _and.Apply(s, notBus1)).ToList();
var orOneAndBus1 = _or.Apply(one, bus1);
var output = notAndRest.Prepend(orOneAndBus1).ToArray();
Output = _byteFactory.Create(output);
_updateWire(Output);
return(Output);
}
public StepperOutput Step(bool clk, bool reset)
{
var notReset = _not.Apply(reset);
var notClk = _not.Apply(clk);
var resetOrNotClk = _or.Apply(notClk, reset);
var clkOrReset = _or.Apply(clk, reset);
var m0 = _memoryGates[0].Apply(notReset, resetOrNotClk);
var m1 = _memoryGates[1].Apply(m0, clkOrReset);
var m2 = _memoryGates[2].Apply(m1, resetOrNotClk);
var m3 = _memoryGates[3].Apply(m2, clkOrReset);
var m4 = _memoryGates[4].Apply(m3, resetOrNotClk);
var m5 = _memoryGates[5].Apply(m4, clkOrReset);
var m6 = _memoryGates[6].Apply(m5, resetOrNotClk);
var m7 = _memoryGates[7].Apply(m6, clkOrReset);
var m8 = _memoryGates[8].Apply(m7, resetOrNotClk);
var m9 = _memoryGates[9].Apply(m8, clkOrReset);
var m10 = _memoryGates[10].Apply(m9, resetOrNotClk);
var m11 = _memoryGates[11].Apply(m10, clkOrReset);
var notM1 = _not.Apply(m1);
var notM3 = _not.Apply(m3);
var notM5 = _not.Apply(m5);
var notM7 = _not.Apply(m7);
var notM9 = _not.Apply(m9);
var notM11 = _not.Apply(m11);
var step1 = _or.Apply(reset, notM1);
var step2 = _and.Apply(m1, notM3);
var step3 = _and.Apply(m3, notM5);
var step4 = _and.Apply(m5, notM7);
var step5 = _and.Apply(m7, notM9);
var step6 = _and.Apply(m9, notM11);
_step7 = m11;
var stepperArray = new[] { step1, step2, step3, step4, step5, step6, _step7 };
return(new StepperOutput(stepperArray));
}
public IByte Invert(IByte input)
{
return(_byteFactory.Create(input.Select(s => _not.Apply(s)).ToArray()));
}
public bool Apply(params bool[] bits)
{
var negatedBits = bits.Select(s => _not.Apply(s)).ToArray();
return(_nAnd.Apply(negatedBits));
}
public bool IsZero(IByte input)
{
var orRes = _or.Apply(input.ToArray());
return(_not.Apply(orRes));
}
public bool Apply(params bool[] bits)
{
return(_not.Apply(_and.Apply(bits)));
}