public static bool[] ALU(bool[] x, bool[] y, bool zx, bool nx, bool zy, bool ny, bool f, bool no, out bool zr, out bool ng)
{
bool[] result = new bool[16];
bool[] ground = new bool[16] {
true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false
};
//zx, nx
x = BoolLogic.Mux16(x, (bool[])ground.Clone(), zx);
x = BoolLogic.Mux16(x, BoolLogic.Not16(x), nx);
//zy, ny
y = BoolLogic.Mux16(y, (bool[])ground.Clone(), zy);
x = BoolLogic.Mux16(y, BoolLogic.Not16(y), ny);
bool[] temp1, temp2;
temp1 = Add16(x, y);
temp2 = BoolLogic.And16(x, y);
// MUX에 의해 골라진 걸 result에 넣음
result = BoolLogic.Mux16(temp1, temp2, f);
BoolLogic.Mux16(result, BoolLogic.Not16(result), no);
// out
ng = result[15];
zr = BoolLogic.Or16Way(result);
return(result);
}
static bool FullAdder_Carry(bool a, bool b, bool c)
{
return(BoolLogic.Or(HalfAdder_Carry(a, b), HalfAdder_Carry(HalfAdder_Sum(a, b), c)));
}
public static void FullAdder(bool a, bool b, bool c, out bool sum, out bool carry)
{
carry = BoolLogic.Or(HalfAdder_Carry(a, b), HalfAdder_Carry(HalfAdder_Sum(a, b), c));
sum = HalfAdder_Sum(HalfAdder_Sum(a, b), c);
}
static bool HalfAdder_Sum(bool a, bool b)
{
return(BoolLogic.Xor(a, b));
}
static bool HalfAdder_Carry(bool a, bool b)
{
return(BoolLogic.And(a, b));
}
public static void HalfAdder(bool a, bool b, out bool sum, out bool carry)
{
sum = BoolLogic.Xor(a, b);
carry = BoolLogic.And(a, b);
}