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Re: The "Good" Old Days - Complete Specs for DX-10 Operating System

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On Wed, 2 Oct 2024 18:07:21 -0700, Peter Flass wrote:

> rbowman <bowman@montana.com> wrote:
>> On Wed, 2 Oct 2024 09:15:02 -0700, John Ames wrote:
>> 
>>> I've always found the 9900 concept interesting, although its core
>>> assumption about memory speed doesn't really hold up today; much of
>>> the architecture was eventually reincarnated in TI's MSP430 series
>>> micro- controllers, but they ditched the memory-resident register
>>> file. But for the time, context-switching certainly didn't get any
>>> faster than that; only three actual registers to save, but you still
>>> got a comfortably PDP-11ish environment from the programmer's
>>> perspective.
>> 
>> I worked on one project that used the 9900. Its claim to fame is TI had
>> a rad hard version.
>> 
>> 
> Skidmore College had one.

Figures...  I went to RPI years before the 9900 was even a dream. Let's 
just say the girls from Skidmore, Vassar, and Bennington weren't the most 
approachable for nerdy engineers. I hadn't thought about Skidmore in 
decades.

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The "Good" Old Days - Complete Specs for DX-10 Operating System "186282@ud0s4.net" <186283@ud0s4.net> - 2024-10-02 03:18 -0400
  Re: The "Good" Old Days - Complete Specs for DX-10 Operating System John Ames <commodorejohn@gmail.com> - 2024-10-02 09:15 -0700
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System John Ames <commodorejohn@gmail.com> - 2024-10-02 09:21 -0700
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System rbowman <bowman@montana.com> - 2024-10-02 16:35 +0000
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System John Ames <commodorejohn@gmail.com> - 2024-10-02 09:49 -0700
        Re: The "Good" Old Days - Complete Specs for DX-10 Operating System rbowman <bowman@montana.com> - 2024-10-02 22:28 +0000
          Re: The "Good" Old Days - Complete Specs for DX-10 Operating System John Ames <commodorejohn@gmail.com> - 2024-10-02 15:59 -0700
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Peter Flass <peter_flass@yahoo.com> - 2024-10-02 18:07 -0700
        Re: The "Good" Old Days - Complete Specs for DX-10 Operating System rbowman <bowman@montana.com> - 2024-10-03 01:46 +0000
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Peter Flass <peter_flass@yahoo.com> - 2024-10-02 18:07 -0700
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System scott@alfter.diespammersdie.us (Scott Alfter) - 2024-10-03 16:27 +0000
        Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-10-03 21:44 +0000
  Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Rich <rich@example.invalid> - 2024-10-02 16:43 +0000
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System The Natural Philosopher <tnp@invalid.invalid> - 2024-10-02 17:59 +0100
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-10-02 22:28 +0000
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Peter Flass <peter_flass@yahoo.com> - 2024-10-02 18:07 -0700
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System rbowman <bowman@montana.com> - 2024-10-03 01:38 +0000
    Re: The "Good" Old Days - Complete Specs for DX-10 Operating System scott@alfter.diespammersdie.us (Scott Alfter) - 2024-10-03 16:34 +0000
      Re: The "Good" Old Days - Complete Specs for DX-10 Operating System Rich <rich@example.invalid> - 2024-10-03 17:02 +0000
        Re: The "Good" Old Days - Complete Specs for DX-10 Operating System scott@alfter.diespammersdie.us (Scott Alfter) - 2024-10-03 21:54 +0000

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