SUBROUTINE DISKO(N,NAM,J)
C N=DEVICE NUMBER, NAM=FILE NAME, J=0=OUTPUT, =-1=INPUT
IF(J.LT.0)GO TO 1
CALL OFILE(N,NAM)
CXX CALL OPEN(N,NAM,0,'NEW',,,'UNF')
RETURN
1 CALL IFILE(N,NAM)
CXX CALL OPEN(N,NAM,0,'RDO',,,'UNF')
END
BLOCK DATA
COMMON /DEVS/ID1,ID21,JTYPE,ID23,ID20
DATA JTYPE/5/,ID23/23/,ID20/20/,ID1/1/,ID21/21/
END