NCR_EXPECT_ILLCMD
if (sc->sc_flags & NCR_EXPECT_ILLCMD) {
sc->sc_flags &= ~NCR_EXPECT_ILLCMD;
sc->sc_flags &= ~NCR_EXPECT_ILLCMD;
sc->sc_flags |= NCR_EXPECT_ILLCMD;
sc->sc_flags |= NCR_EXPECT_ILLCMD;