home *** CD-ROM | disk | FTP | other *** search
- SUBROUTINE SELDEV(LUN)
- CHARACTER*1 BNAME(40)
- C
- C Show the device numbers and their names and ask for
- C a device number. Attempt to select that device. If
- C not successful, display an error message and ask for
- C a new device number.
- C
- EXTERNAL LEN
- C
- C Display device numbers and names.
- C
- IDEV = 1
- 1 CALL GSDNAM(IDEV,BNAME)
- L = LEN(BNAME)
- IF (L .EQ. 0) GO TO 5
- WRITE(9,1111) IDEV, (BNAME(I), I=1,L)
- 1111 FORMAT(' Device ',I2,' is ',40A1,/)
- IDEV = IDEV + 1
- GO TO 1
- 5 WRITE(9,'(A\)') ' Number of the graphics device to use? '
- READ(9,'(I5)') IDEV
- 6 CALL DEVSEL(IDEV,LUN,IERR)
- IF (IERR .EQ. 0) GO TO 10
- TYPE *, ' THAT DEVICE DOES NOT EXIST'
- GO TO 5
- 10 Continue
- Return
- END
-