public DynamicAdder(int bits)
{
fullAdders = new FullAdder[bits];
var inputPinSeriesA = new InputPin[bits];
var inputPinSeriesB = new InputPin[bits];
var outputPinSeriesSum = new OutputPin[bits];
FullAdder previousFullAdder = null;
for (var i = 0; i < bits; i++)
{
var fullAdder = new FullAdder();
if (previousFullAdder != null)
{
previousFullAdder.CarryOver.ConnectTo(fullAdder.CarryIn);
}
fullAdders[i] = fullAdder;
inputPinSeriesA[i] = fullAdder.InputA;
inputPinSeriesB[i] = fullAdder.InputB;
outputPinSeriesSum[i] = fullAdder.Sum;
previousFullAdder = fullAdder;
}
Overflow = previousFullAdder.CarryOver;
InputA = new InputPinSeries(inputPinSeriesA);
InputB = new InputPinSeries(inputPinSeriesB);
Sum = new OutputPinSeries(outputPinSeriesSum);
}
public static void Set(this InputPinSeries inputPinSeries, int value)
{
//Thanks SO
//https://stackoverflow.com/questions/6758196/convert-int-to-a-bit-array-in-net
var bitArray = new BitArray(BitConverter.GetBytes(value));
for (var i = 0; i < inputPinSeries.Length; i++)
{
inputPinSeries[i] = bitArray[i];
}
}
public void PinSeriesConvertsToIntCorrectly()
{
//Given
const int expectedValue = 0b00110110;
var pinSeries = new InputPinSeries(
GetInputPin(false), GetInputPin(true), GetInputPin(true), GetInputPin(false),
GetInputPin(true), GetInputPin(true), GetInputPin(false), GetInputPin(false)
);
//When
var actualValue = pinSeries.Read();
//Then
actualValue.Should().Be(expectedValue);
}
public Comparer8Bit()
{
InputA = new InputPinSeries(Comparer1.InputA, Comparer2.InputA, Comparer3.InputA, Comparer4.InputA,
Comparer5.InputA, Comparer6.InputA, Comparer7.InputA, Comparer8.InputA);
InputB = new InputPinSeries(Comparer1.InputB, Comparer2.InputB, Comparer3.InputB, Comparer4.InputB,
Comparer5.InputB, Comparer6.InputB, Comparer7.InputB, Comparer8.InputB);
Comparer8.IsOn.State = true;
ChainComparer(Comparer8, Comparer7);
ChainComparer(Comparer7, Comparer6);
ChainComparer(Comparer6, Comparer5);
ChainComparer(Comparer5, Comparer4);
ChainComparer(Comparer4, Comparer3);
ChainComparer(Comparer3, Comparer2);
ChainComparer(Comparer2, Comparer1);
}
public void IntConvertsToPinSeriesCorrectly()
{
//Given
const int intValue = 0b00110110;
var pinSeries = new InputPinSeries(GetInputPin(), GetInputPin(), GetInputPin(), GetInputPin(), GetInputPin(), GetInputPin(), GetInputPin(), GetInputPin());
//When
pinSeries.Set(intValue);
//Then
pinSeries[0].Should().BeFalse();
pinSeries[1].Should().BeTrue();
pinSeries[2].Should().BeTrue();
pinSeries[3].Should().BeFalse();
pinSeries[4].Should().BeTrue();
pinSeries[5].Should().BeTrue();
pinSeries[6].Should().BeFalse();
pinSeries[7].Should().BeFalse();
}
public Subtracter8Bit()
{
InputA = new InputPinSeries(fullSubtracter1.InputA, fullSubtracter2.InputA, fullSubtracter3.InputA, fullSubtracter4.InputA,
fullSubtracter5.InputA, fullSubtracter6.InputA, fullSubtracter7.InputA, fullSubtracter8.InputA);
InputB = new InputPinSeries(fullSubtracter1.InputB, fullSubtracter2.InputB, fullSubtracter3.InputB, fullSubtracter4.InputB,
fullSubtracter5.InputB, fullSubtracter6.InputB, fullSubtracter7.InputB, fullSubtracter8.InputB);
Sub = new OutputPinSeries(fullSubtracter1.Sub, fullSubtracter2.Sub, fullSubtracter3.Sub, fullSubtracter4.Sub,
fullSubtracter5.Sub, fullSubtracter6.Sub, fullSubtracter7.Sub, fullSubtracter8.Sub);
fullSubtracter1.CarryOver.ConnectTo(fullSubtracter2.CarryIn);
fullSubtracter2.CarryOver.ConnectTo(fullSubtracter3.CarryIn);
fullSubtracter3.CarryOver.ConnectTo(fullSubtracter4.CarryIn);
fullSubtracter4.CarryOver.ConnectTo(fullSubtracter5.CarryIn);
fullSubtracter5.CarryOver.ConnectTo(fullSubtracter6.CarryIn);
fullSubtracter6.CarryOver.ConnectTo(fullSubtracter7.CarryIn);
fullSubtracter7.CarryOver.ConnectTo(fullSubtracter8.CarryIn);
Overflow = fullSubtracter8.CarryOver;
}
