volatile struct clreg *cl_reg;
struct clreg *cl_reg;
cl_instat(sc)	struct clsoftc *sc;{	volatile struct clreg *cl_reg;	if ( NULL == sc) {		cl_reg = cl_cons.cl_vaddr;	} else {		cl_reg = sc->cl_reg;	}	return (cl_reg->cl_rir & 0x40);}