Re: Language Card + Apple IIe

["Marc S. Ressl" <mressl@gmail.com>]

On Nov 9, 2:39 am, mdj <mdj....@gmail.com> wrote:
> On Nov 9, 12:18 am, "Marc S. Ressl" <mre...@gmail.com> wrote:
>
> > Hi Matt,
>
> > thanks for the response. My question is actually as follows: If I,
> > say, put the language card in slot 1 of an Apple IIe, and enable it by
> > accessing $C09x (x being that magic number I can't remember right
> > now), does the /INH go immediately high and thus make the computer
> > stop working (as not only $D000-$FFFF is disabled, but also $0000-
> > $BFFF)?, or does the language card do the $D000-$FFFF decoding, and
> > assert /INH only when that range is accessed?
>
> Only during an access to that range. As a previous poster mentioned,
> the Apple language card also replaces the autostart ROM, using
> precisely this technique to only inhibit part of the ROM. This would
> be a 'bad thing' on a IIe, so if you were actually going to try this
> you'd want to use a clone language card that lacks this feature.
>
> > I know this is a completely useless detail that most of us don't care,
> > but it became my hobbie some hours ago :-). I also have a reason for
> > making that question.

Thanks for all the responses!

> Care to share what the reason is ? :-)

It's very easy, I just want to accurately emulate it. :-)

With the best wishes,

Marc.-