NP_CBE_SHIFT
be = (0xf & ~(1U << n)) << NP_CBE_SHIFT;
be = (0xf & ~((1U << n) | (1U << (n + 1)))) << NP_CBE_SHIFT;
be = (0xf & ~(1U << n)) << NP_CBE_SHIFT;
be = (0xf & ~((1U << n) | (1U << (n + 1)))) << NP_CBE_SHIFT;