On 07/30/2014 06:59 AM, Paul Koning wrote:
I did some work in college on our 1620 model 2. It
looks like that
has a 1625, not 1623, core memory cabinet. Ours came with the full
load of 60k memory, as well as a card reader/punch, the Selectric
style console, a 1403 line printer, and a pair of 1311 disk drives.
Hydraulic head actuators, far out.
Well, hydraulics stayed around long after the 1311--CDC used it
extensively on drives like the big 808--and I don't have to remind you
about the Bryant drives with their "leak jugs".
The sites I knew of that used the 1620 generally went straight to the
1130 or something larger.
I remember the Fortran compiler had options to specify
digits to use for an integer and for a float variable. Yes, it had
floating point, and that too was variable length (in the mantissa;
exponent was always 2 digits).
Yup, the FANDK control statement--I think that even the card-only
FORTRAN compiler had something very akin to that. I used that a few
times. Read in the compiler, then your program, collect the cards that
got punched, read in the second pass and the newly-punched cards, get an
object deck, read in the runtime and your object deck(s) and run your
code. There was also a NOISE DIGIT statement, I seem to remember.
Has anyone managed to preserve a copy of SPS?
Have you checked the 1620.ZIP file in the software section of Bitsavers?
Seems to me that SPS II-D (and probably other versions) was in there.