Re: I/O Space is a Valuable Thing

From: Robin Harbron (macbeth_at_tbaytel.net)
Date: 1999-10-25 23:39:28

Mike Naberezny wrote:
> I remember a few months back someone was attempting to start a list of
> what devices use which I/O ranges.  Do you guys know what areas these
> devices (RL, REU, SL/T232) actually occupy in $DE and $DF? 

The REU uses the whole $DF00 page, and the Swiftlink uses all of
$DE00.  When CMD designed the Turbo232, though, they were aware
of how valuable IO space is, and fully decoded it - I believe
it only uses $DE00-$DE0F.  In fact, in the instruction manual
they mention how they could make (if someone was interested in
using it) a multi serial port device - up to 16 ports so you
could have some sort of cool multi-line BBS or something.

CMD has always been good about putting information in their
manuals - I'd be surprised if you wouldn't find the answers
to your RL questions there.
-- 
Robin Harbron    macbeth@psw.nu
      http://www.psw.nu/
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