Re: help wanted

On 13 mrt, 13:30, sjm <sjms...@xxxxxxxxx> wrote:
Hi Peter,

I see that Henk Salemink has sent you source code.  If that doesn't
work out, let me know and I'll send it to you.

I was a PL/I programmer about 25 years ago.  I'd be interested in
looking at your Web site if you'd post the URL here.

Being somewhat of a computer antiquarian, I just uploaded PLUM to my
modern Dorado 180 and tried to execute it.  I got an error saying
INVALID ABSOLUTE ELEMENT - MAYBE OBSOLETE FORMAT - TRY REMAP which
tells me that the executable format is so old (absolute created in
1976) that it's no longer supported.  Unisys 1100/2200 systems are
very good about maintaining backwards compatibility.  I've got other
software of the same vintage where the executable still runs (e.g.,
@DOC from 1975!), so PLUM might have been built on a system that was
not new in 1976.  When I have time (I wonder when that will be?), I'm
going to try to re-assemble and re-collect PLUM from the source code
and see if I can get it to work on my current system.

BTW, if memory serves, Unisys (Sperry Univac at the time) also had a
PL/I compiler for the 1100 Series system.  I'm not sure when it was
released or how long it lived as a product.

-- Steve J. Martin

Hello Steve,

Be aware of the obsolete executive request ER LINK$, ER RLINK$ and ER
RLIST$ in element PLEX and EXDB.
This ER's are replaced with hardware instructions.

With regards,

Henk Salemink
.

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