Timothe Litt wrote: > Is the file extension .DAT? that may trigger this.
It is. > Is there an OPEN statement for that file? If so, what does it include? There's no OPEN statement. The input is opened by this: CALL IFILE(1,'TEXT') The accompanying file is called ADVENT.DAT. The IFILE call expects TEXT.DAT instead. > What fortran compiler/runtime? DEC's F40? FORTRAN-10? Something else? DEC F40. > You need the reference manual for whichever compiler/RTL you're using. I have the FORTRAN IV (F40) PROGRAMMER'S REFERENCE MANUAL from bitsavers. _______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh