public void ADD_Test()
{
ushort testOpcode = 0x8124; //Adds V2 to V1
memory.opcode = testOpcode;
memory.V[1] = 10;
memory.V[2] = 20;
memory.V[0xF] = 0;
instructions.ADD();
Assert.AreEqual(30, memory.V[1], 0, "Did not add correctly");
memory.V[1] = 250;
memory.V[2] = 50;
memory.V[0xF] = 0;
instructions.ADD();
Assert.AreEqual(255, memory.V[1], 0, "Did not add correctly at overflow");
Assert.AreEqual(1, memory.V[0xF], 0, "Did not correctly set overflow flag");
}