public void CALL_2nnn()
{
const string address = "300";
var cpu = new Cpu();
cpu.Initialize();
cpu.CALL_2nnn(address);
cpu.Pc += 2;
Assert.AreEqual(1, cpu.Sp);
Assert.AreEqual(0x200, cpu.Stack[1]);
Assert.AreEqual(short.Parse(address, NumberStyles.HexNumber), cpu.Pc);
}