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Direct from the Atari Historical Society's
archives comes another priceless find. We have been able to copy
the original sources for TOS 4.04 as released on the Atari Falcon030.
It is available to download below in ZIP format.
While we have endeavoured
to copy all available data from the source disks some of the files were
too spurious to convert. All
of the sources that could be migrated are
included in the file provided.
There is wealth of inside information on AES,
CP/M, NVDI and TOS in general in the ZIP file, many programmers will
now get a lot of answers to questions on TOS
previously unknown, so even though there is a
small chunk missing, the greater amount is priceless.
We hope it proves useful to future TOS/GEM projects.
Brief History: Atari
made a huge leap forward with the design of the Falcon,
and with it a new version of The Operating System (TOS).
Utilising GEM as the standard interface, this had also
been reborn with constant revisions
ever since the original
team responsible for porting the original code to the
68000 platform for Atari headed
to Digital Research in 1984. That team had only
months to rewrite existing code and translate a working
version of GEM for TOS for the
new ST project, which was going
to be shown for the first time at Comdex in January 1985.
Atari sent most of its top
software engineers to the Digital Research facility in
Monterey, California, where they translated the PC based
Intel code into working 68000 code (It
is rumoured that Digital Research kept the Atari owned Vax
mini computer when the project was finished...).
Although Atari finally decided to use the GEM product from
DRI, other products were discussed and most note worthy of
these was a possible implementation of the new Microsoft
Windows but unfortunately(?) for Microsoft, they could not
develop a version for Atari within the timeframe required
(so "upset" with this decision, Microsoft even threatened
Atari that no MS products would be developed for the ST -
Microsoft did release MS Write (1.0) for the ST, a very
poor implementation, perhaps done so on purpose!).
Atari continued to develop TOS/GEM from 1985
until 1993 when all computer projects were cancelled at the company.
The last official version of TOS/GEM was version 4.04 for the Falcon030,
although version 4.92 was leaked out, this was a beta developer version
which was going to integrate the multitasking software called