[TUHS] Origins of the SGS (System Generation Software) and COFF (Common Object File Format)

KenUnix ken.unix.guy at gmail.com
Fri Feb 24 00:25:04 AEST 2023

Point of interest.  In the mid 80's Northern Telecom had a product called
the DV-1. It was a
motorola based system on the 68010. At the end of its life it was able to
run GEM with a floppy.
The DV-1 terminal was 68000 based. See some snaps at:


My complete photo/movie history is at:

If you have any to add please pass them along.


On Thu, Feb 23, 2023 at 1:30 AM Lars Brinkhoff <lars at nocrew.org> wrote:

> Clem Cole wrote:
> > MIT had a modified a.out format for the NU machine ports - that might
> > have been called b.out.  CMU had macho which again was an extended
> > a.out but even more flexible.
> Digital Research's GEMDOS also used a modified a.out format (at least as
> found on the Atari ST), pretty much the original PDP-11 format with
> 32-bit addresses.
> [Shouldn't this go to the COFF mailing list... oh sorry.]

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