Re: Announcement: Contiki 1.3

["Michael J. Mahon" <mjmahon@aol.com>]

Oliver Schmidt wrote:
> Hi Rich,
>
>
> > I'd really like to see and help code Contiki that uses multiple
> > banks on Ramworks III aux RAM.
>
>
> The Contiki source is freely available - just go ahead. BTW: Contiki
> 1.3 makes (very limited) use of banking. From the CVS readme.txt:
>
> ----------
>
> Generally it's very hard to make use of memory mapping for an event
> driven system like Contiki but the Apple //e allows to map only 8kB of
> Aux memory to the address space $2000-$3FFF to facilitate double hires
> graphics. this feature is accompanied by ProDOS 8 which allows to keep
> /RAM generally active while doing double hires graphics by saving a
> 8kB file as first file to /RAM and thus preserving $2000-$3FFF of Aux
> memory. Contiki makes use of all this double hires support while just
> staying in text mode and using the 8kB as additional memory.

Since you've made the point that data caching is the primary win, it's
much easier to use a wierd banked memory system as a RAM disk, which
would be a great match to the data caching problem.

-michael

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