Huh? Are you sure of this, Eric?
Because I seem to remember from long ago that I heard that F77 was
derived from F4+.
It's definitely not the same product, but there are several places where
it seems to be implied that F4+ and F77 are related, including some
places where the names have just been replaced but missed in a spot or
two in other documentation I've read.
Heck, F77 retain a lot of DEC special extensions that were created in
F4+, which is not in any standard anywhere. Maybe need for backward
compatability made it neccesary anyway, but it seems silly to redo a
compiler from scratch when you have one which almost already have it all
in place.

Johnny

Eric Smith wrote:
>>FORTRAN-77 was the newer name for FORTRAN IV PLUS. I didn't have that on
>>my system, so I'm not sure what versions came out when.
>
>
> For RT11 the FORTRAN-77 product was not related to the earlier FORTRAN
> products. DEC contracted out development of FORTRAN-77 to a third party.
> Although I don't know specifically about the RSTS/E layered products, I'd
> be rather surprised if they contracted out development of an entirely new
> FORTRAN-77 product for RT11 but derived the RSTS/E FORTRAN-77 from an older
> DEC FORTRAN compiler.
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--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt@update.uu.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol


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