public void DITest() { PrivateObject param0 = new PrivateObject(new Z80(new Memory48K())); Z80_Accessor target = new Z80_Accessor(param0); target.IFF1 = true; target.IFF2 = true; target.DI(); Assert.IsTrue(target.IFF1 == false && target.IFF2 == false, "Error: DI"); }