SC_COMP_RUN
~(SC_CCP_UP | SC_COMP_RUN | SC_DECOMP_RUN);
sc->sc_flags |= SC_COMP_RUN;
(sc->sc_flags & SC_COMP_RUN)) {
sc->sc_flags &= ~SC_COMP_RUN;
sc->sc_xc_state && (sc->sc_flags & SC_COMP_RUN)) {