public void RLDTest() { PrivateObject z = new PrivateObject(new Z80(new Memory48K())); Z80_Accessor target = new Z80_Accessor(z); target.Set16BitRegisters(2, 0x5000); target.A = 0x7a; target.Memory[0x5000] = 0x31; target.RLD(); Assert.IsTrue(target.A == 0x73 && target.Memory[0x5000] == 0x1a, "Error: RLD"); }