[Coco] CoCo TALK #18 an introduction to OS9

[James Jones]

I can believe that... once when I was looking around in the Radio Shack in
Valley West Mall in West Des Moines back when they still sold CoCos, a
salesman was trying to talk a couple into one of Tandy's PClones. They
asked about the possibility of a CoCo, and the salesman said that the
PClone would be much faster. I couldn't resist respectfully disagreeing; a
2 MHz 6809 readily outperforms the 4.7 MHz 8088 in the original IBM PC, so
a fortiori it would stomp a Z80 (which takes a lot more clock cycles to do
things than a 6809 does).

On Mon, Jul 24, 2017 at 11:20 AM, Wayne Campbell <asa.rand at gmail.com> wrote:

> The Model 6000 was a 68000 system with a Z80 co-processor. I read somewhere
> once that Tandy tried pairing a 6809 as a co-processor with the 68000, and
> it ran circles around the 6000 with the Z80. Why they did not pursue that
> line I do not know, other than Tandy's thinking was already geared towards
> PC compatibles and wasn't interested in pursuing the TRS-80 line anymore.
>
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