// Overload binary + for int + Nybble.
public static Nybble operator +(int op1, Nybble op2)
{
Nybble result = new Nybble();
result.val = op1 + op2.val;
result.val = result.val & 0xF; // retain lower 4 bits
return(result);
}
public static void Main()
{
Nybble a = new Nybble(1);
Nybble b = new Nybble(10);
Nybble c = new Nybble();
int t;
Console.WriteLine("a: " + (int)a);
Console.WriteLine("b: " + (int)b);
// use a Nybble in an if statement
if (a < b)
{
Console.WriteLine("a is less than b\n");
}
// Add two Nybbles together
c = a + b;
Console.WriteLine("c after c = a + b: " + (int)c);
// Add an int to a Nybble
a += 5;
Console.WriteLine("a after a += 5: " + (int)a);
Console.WriteLine();
// use a Nybble in an int expression
t = a * 2 + 3;
Console.WriteLine("Result of a * 2 + 3: " + t);
Console.WriteLine();
// illustrate int assignment and overflow
a = 19;
Console.WriteLine("Result of a = 19: " + (int)a);
Console.WriteLine();
// use a Nybble to control a loop
Console.WriteLine("Control a for loop with a Nybble.");
for (a = 0; a < 10; a++)
{
Console.Write((int)a + " ");
}
Console.WriteLine();
}
public static string toHex(Nybble val, bool prefix = true)
{
return(toHex(((int)val), prefix));
}