[Coco] {coco} wordpak RS info needed

Arthur Flexser flexser at fiu.edu
Sat Sep 17 16:05:46 EDT 2005

I'm only guessing, but my hunch is that that Tandy is the culprit, specifying
what addresses the Wordpak-RS had to use, or avoid, before they'd allow it to be
sold through the express order program.  It'd be just like them to have $FF74-5
reserved for some future use that never came to pass.


On Sat, 17 Sep 2005 RJRTTY at aol.com wrote:

> In a message dated 9/17/05 12:45:51 AM Eastern Daylight Time, 
> gene.heskett at verizon.net writes:
> > 
> >  That was one of the odd things about that card, the other two
> >  registers were at $FF76-77.  This of course meant that it tied up 2
> >  whole 4 byte wide i/o spaces, something I considered a huge waste so
> >  I did a bit of cutting and pasting and moved the $FF78-79 pair to
> >  $FF74-75 in my own copy.
>     Well,  one reason I think they did that was to simplify and cut
> cost of the PCB.     The wordpak II board that came before it
> was more complex but took up four bytes in the upper part of FF9X space.
>        I had a hunch that FF76 and FF77 where involved because of
> the difference in activity on them between when the board was enabled as
> opposed to when it wasn't.

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