Nick,
Thanks for the info. What you mention is essentially what I was told
by members of the Sysops association I belonged too and what I have since
read. The extent of my programing was modifying insert files for Modem 7 and
IMP. In regards to the CP/M plagiarism, Digital Research was very tight with
CP/M. They did not care to have any copies made that were not paid for. That
is also one of the reason that IBM had difficulties dealing with them. Seattle
Software had a valid license for CP/M and that is what Microsoft bought and
sold to IBM. I was a CP/M diehard, probably something to do with my
intelligence level or not having better sense to read the writing on the wall.
I've been extremely busy the last few weeks and have not been able to
respond better to this thread. What other list can you get photography lessons
and a short course in computer history.
Regards,
Larry
Nick Taylor wrote:
> Chuck Norcutt wrote:
> >
> > Brian said:
> > Remember DOS? Made by Microsoft...But Microsoft didn't develop DOS,
> > Seattle
> > Software developed DOS.
> > --------------------------------------------------------------
> > But Seattle's involvement ended in 1980 after the sale of rights to
> > Microsoft. DOS was in a pretty primitive state at the time of the
> > sale. Much more development occurred afterwards both by Microsoft and
> > also by IBM with both companies having rights to the product. Microsoft
> > stopped at version 6.2, IBM carried on to version 7.0. (Microsoft also
> > had a different version 7 which was generally hidden under Windows).
>
> Yes, Seattle Software sold its 8086 operating system to Microsoft,
> but they didn't really develop it. It was a direct port of Digital
> Research's 8080 CP/M 2.2. If you ever did a disassembly of CP/M 2.2
> and SS's 8086 OS, many (if not most) of the modules were identical.
> For some reason DR didn't pursue the plagiarism in the courts ...
> probably for the same reason he didn't actively compete with Bill
> Gates for the IBM sale ... he had utter confidence that CP/M 86
> would be the winner in the switch from 8 to 16 bit system software.
>
> My disassembies of CP/M 2.2, CP/M 86, and SS's 8086 OS have long
> dissappeared from my files ... but I did have the 8" disks in my
> garage until a couple of years ago.
>
> Regards,
> -Nick T.
>
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