volatile u_char *cd_base;
volatile struct clreg *cl_reg;
cl_instat(sc)	struct clsoftc *sc;{	volatile u_char *cd_base;	if ( NULL == sc) {		cd_base = cl_cons.cl_vaddr;	} else {		cd_base = sc->vbase;	}	return (cd_base[CD2400_RIR] & 0x80);}