C	SUBR PICKS UP NEXT WORD FROM TAPE FILE
	SUBROUTINE NXDAT(I)
	COMMON ND,IDBLK,INDAT,NT,ITBLK,INTXT
	DIMENSION INDAT(256),INTXT(256)
	IF (ND-256)20,20,10
 10	IDBLK=IDBLK+1
	CALL LTAPE(1,INDAT,IDBLK)
	ND=1
 20	I=INDAT(ND)
	ND=ND+1
	RETURN
	END