"CP/M compatible" vs. "MS-DOS Compatible" machines?

Glen Slick glen.slick at gmail.com
Sat Feb 2 18:10:22 CST 2008


On Feb 2, 2008 10:16 AM, Roger Ivie <rivie at ridgenet.net> wrote:
>
> The PDS was interesting in that it was a portable system about the size
> of a Kaypro and had *two* 8085s. ISIS gave you an A> or B> prompt, but
> it indicated to which processor you were speaking rather than which
> drive was the default.
>

And then in that dual processor configuration you actually had *three*
8085s, the other one being the one on the main board that runs the CRT
controller.

You could split the screen into a top half for one processor and a
bottom half for the other processor.



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