9 Feb
1999
9 Feb
'99
9:42 a.m.
Golly! That does bring back the memories . . . but wasn't the CDC6xxx
family 64 bits? I cut my teeth on that one, back in the mid 1960's and it
seems that it (the 6600) was a dual-processor version of the 64-bit 6400.
Those were the days . . . FORTRAN-II, SCOPE OS, COMPASS assembler . . .
batch processing . . . (that meant you wrote your code on a 24-line
80-column "coding sheet" and, when finished, gave them to a woman behind a
door with a small window in it . . . and got your error listing a few days
later) . . . I'd have given a week's pay for an hour in that room behind
the door . . . mini-skirts . . . (you do remember keypunch operators and
Hollerith cards, don't you?)
Dick
----------
From: Sergey Svishchev <svs(a)ropnet.ru>
To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
Subject: Piece of classic FORTRAN code
Date: Tuesday, February 09, 1999 2:34 AM
G'day,
IF (COMPLF(-1).LE.2) IF (RSHIFT(COMPLF(0),32)-15) 360,1108,6600
C IF (NOT(-1).LE.2) IF (ISHFT(NOT(0),-32)-15) 360,1108,6600
7094 PRINT *,'IBM 7094'
STOP
360 PRINT *,'IBM 360 (32 BITS)'
STOP
1108 PRINT *,'UNIVAC 1108 (48 BITS)'
STOP
6600 PRINT *,'CDC 6600 (60 BITS)'
STOP
--
Sergey Svishchev -- svs{at}ropnet{dot}ru
9 Feb
9 Feb
10:28 a.m.
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10:47 a.m.
::Those were the days . . . FORTRAN-II, SCOPE OS,
COMPASS assembler . . .
::batch processing . . . (that meant you wrote your code on a 24-line
::80-column "coding sheet" and, when finished, gave them to a woman behind a
::door with a small window in it . . . and got your error listing a few days
::later) . . . I'd have given a week's pay for an hour in that room behind
::the door . . . mini-skirts . . . (you do remember keypunch operators and
::Hollerith cards, don't you?)
Hah. My father was a Fortran-II programmer. The extent of his error debug
sessions was
ERROR
It took him all semester to do one program, and he was the first in his class.
Fortran II was great.
Anyways, the best compiler ever written was MNF. Minnesota Fortran. You
had to love the post mortem dumps. It was a breeze debugging college
students computer programs, they would come up to your desk with a
printed listing and run of the program, and you would point at the
post mortem dump and basically repeat to the student exactly what
was printed, while simultaneously pointing at the output.. "hmm, says
here it stopped on line XXX, in subroutine YYY, and this is what the
variables were at that time, so, what was your question again?"
-Lawrence LeMay
11:07 a.m.
::Those were the days . . . FORTRAN-II, SCOPE OS,
COMPASS assembler . . .
::batch processing . . . (that meant you wrote your code on a 24-line
::80-column "coding sheet" and, when finished, gave them to a woman behind a
::door with a small window in it . . . and got your error listing a few days
::later) . . . I'd have given a week's pay for an hour in that room behind
::the door . . . mini-skirts . . . (you do remember keypunch operators and
::Hollerith cards, don't you?)
Hah. My father was a Fortran-II programmer. The extent of his error debug
sessions was
ERROR
It took him all semester to do one program, and he was the first in his class.
Reminds me of the FORTRAN on the IBM 1130 (subset FORTRAN IV, no logical IFs,
etc.). Compiler error messages were of the form:
eeee at llll + oooo
where:
eeee = Error code (had to look up in manual)
llll = Last statement label processed
oooo = Offset (cards) past last labelled statement processed
John
(who very much wants to see APL/1130 running on Tony's system)
11:30 a.m.
Date sent: Tue, 9 Feb 1999 08:28:30 -0800
Subject: Re: Piece of classic FORTRAN code
From: ckaiser(a)oa.ptloma.edu
To: classiccmp(a)u.washington.edu
Send reply to: classiccmp(a)u.washington.edu
Hah. My father was a Fortran-II programmer. The extent
of his error debug
sessions was
ERROR
It took him all semester to do one program, and he was the first in his class.
Ah yes...the 60's technology extended into the early 80's on many
mainframes :)
Given your birth year, I'd guess your father was doing his
programming in 1970-1976 or so. In 1970 I was programming
FORTRAN during interactive sessions on a Burroughs B6700
running MCP (hierarchical file system, multi-programming, multi-
processing, virtual memory).
OTOH, in 1969 I took a FORTRAN class taught at a different school,
where we had to use a CDC 3600. In an entire semester, we never
got to "SUBROUTINE".
My point, if there is one, is that the IBMs and CDCs (and others) of
the world have a lot to be blamed for, along with things to be praised
for. :)
2:50 p.m.
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