C	RWTAP9 TEST PROGRAM

	DIMENSION IBUF1(256),IBUF2(256)

	DO 10 I=1,130
	IBUF2(I)=0
 10	IBUF1(I)=I
	DO 11 I=131,256
	IBUF1(I)=0
 11	IBUF2(I)=0
	CALL WTAP9(1,400,129,IBUF1,IER)
	IF(IER) 15,20,15
 15	WRITE(1,17)
 17	FORMAT('WRITE TAPE ERROR')
 20	CALL RTAP9(1,400,129,IBUF2,IER)
	IF(IER) 21,25,21
 21	WRITE(1,22)
 22	FORMAT('READ TAPE ERROR')
 25	DO 30 I=1,256
	IF(IBUF1(I)-IBUF2(I)) 26,30,26
 26	WRITE(1,27) I,IBUF1(I),IBUF2(I)
 27	FORMAT(3I5)
 30	CONTINUE
	END

	DO 11 I=131,256
	IBUF1(I)=0
 11	IBUF2(I)=0
	CALL WTAP9(1,400,129,IBUF1,IER)
	IF(IER) 15,20,15
 15	WRITE(1,17)
 17	FORMAT('WRITE TAPE ERROR')
 20	CALL RTAP9(1,400,129,IBUF2,IER)
	IF(IER) 21,25,21
 21	WRITE(1,22)
 22	FORMAT('READ TAPE ERROR')
 25	DO 30 I=1,256
	IF(