From: ron@ronnatalie.com (Ron Natalie)
Subject: [TUHS] FORTRAN
Date: Wed, 21 Mar 2018 16:55:01 -0400 [thread overview]
Message-ID: <012f01d3c156$e18bcc60$a4a36520$@ronnatalie.com> (raw)
In-Reply-To: <CABH=_VTx13un9KxJStZEoo46MBrPLQwkaT+QQ0XzD9KQkKMxhw@mail.gmail.com>
> DEC did a BASIC compiler for RSTS and RSX
BasicPlus was about the only good thing about RSTS. In fact, we were allowed to replace the RSTS with UNIX at JHU if we could get BASIC PLUS ported over.
Fortunately, RSTS used EMT instructions for system calls (bizarre if you read the PDP-11 Processor Handbook) where as UNIX used the expected TRAP instruction. All we had to do was add a "nostack" system call (I think we put it in, it might have already been there) to disable UNIX's idea of how a stack should work.
next prev parent reply other threads:[~2018-03-21 20:55 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 21:52 [TUHS] RIP John Backus Dave Horsfall
2018-03-16 23:42 ` Dan Stromberg
2018-03-17 0:08 ` Dave Horsfall
2018-03-17 0:26 ` Arthur Krewat
2018-03-17 0:36 ` Dave Horsfall
2018-03-17 1:40 ` Charles H Sauer
2018-03-17 1:57 ` Nemo
2018-03-17 7:20 ` Bakul Shah
2018-03-17 13:43 ` Clem Cole
2018-03-17 17:06 ` Steve Simon
2018-03-17 19:15 ` Pierre DAVID
2018-03-17 19:41 ` Charles Anthony
2018-03-18 11:02 ` Steve Simon
2018-03-17 19:22 ` Tim Bradshaw
2018-03-17 19:28 ` Mike Markowski
2018-03-18 18:51 ` Paul Winalski
2018-03-18 21:07 ` Clem Cole
2018-03-19 14:50 ` Dan Cross
2018-03-19 15:43 ` Clem Cole
2018-03-19 15:46 ` Clem Cole
2018-03-19 17:39 ` Paul Winalski
2018-03-19 17:43 ` George Michaelson
2018-03-19 18:16 ` Steve Nickolas
2018-03-19 17:48 ` Clem Cole
2018-03-19 17:59 ` Jon Forrest
2018-03-19 18:40 ` Tom Ivar Helbekkmo
2018-03-19 19:40 ` Arthur Krewat
2018-03-19 15:55 ` Clem Cole
2018-03-19 16:58 ` [TUHS] FORTRAN Steve Johnson
2018-03-19 17:32 ` Jon Forrest
2018-03-20 17:42 ` Paul Winalski
2018-03-20 17:47 ` George Michaelson
2018-03-19 18:47 ` Larry McVoy
2018-03-20 18:15 ` Dan Cross
2018-03-20 19:55 ` Ron Natalie
2018-03-20 20:21 ` Paul Winalski
2018-03-20 20:27 ` Warner Losh
2018-03-21 8:10 ` Peter Jeremy
2018-03-21 20:56 ` Ron Natalie
2018-03-21 21:15 ` Dennis Boone
2018-03-20 21:36 ` Clem Cole
2018-03-20 21:59 ` Ron Natalie
2018-03-20 23:00 ` Bakul Shah
2018-03-21 13:48 ` Paul Winalski
2018-03-21 20:55 ` Ron Natalie [this message]
2018-03-18 21:26 ` [TUHS] RIP John Backus Tim Bradshaw
2018-03-19 0:26 ` Steve Johnson
2018-03-19 14:26 ` Warner Losh
2018-03-21 14:51 [TUHS] FORTRAN Noel Chiappa
2018-03-21 21:57 ` Charles Anthony
[not found] <mailman.48.1521640130.3788.tuhs@minnie.tuhs.org>
2018-03-21 22:58 ` Johnny Billquist
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