BSC_C_INTT
sc->sc_c_bits &= ~(BSC_C_INTD | BSC_C_INTT | BSC_C_INTR);
(sc->sc_c_bits & (BSC_C_INTD | BSC_C_INTT | BSC_C_INTR)) ? true
.c_bits = BSC_C_INTT,