    @Test(expected=RuntimeException.class)  // XOR OP mal data
    public void testXOR_3() {


        VM vm = new VM();
        program =  new Program(Hex.decode("60C012"), invoke);
        try {
            vm.step(program);
            vm.step(program);
            vm.step(program);
        } finally {
            assertTrue(program.isStopped());
        }
    }