Re: 65C816 adapter for 6502 computers (aka Apple II)

[Exegete <millers@noneofyourbusiness.com>]

Michael J. Mahon wrote:

> Steven N. Hirsch wrote:
>
>
> > Michael J. Mahon wrote:
> >
> >
> > > Very interesting.  I've recently encountered my first card that relies
> > > on the RDY line for synchronization, so I'm quite curious about the
> > > details on this (now diving into manuals...).
> >
> > I have a Taurus 8-inch diskette controller which uses RDY to synchronize 
> > double-density data rates with the 6502 CPU.  Which card are you looking at?
>
>
> The uSPEED floating-point accelerator card.
>
> Since I have a Zip Chip in my //e, the RDY line on my machine
> is already non-functional, which is what led me to reverse-engineer
> the card.
>
> For testing, I am able to simply access it _slowly_, but that isn't
> practical for actually using it.  ;-)

Well, Michael, I can help you out! Just send me the Zip chip and I'll 
give you a 65c02! Sounds fair to me!  ;-)

Roy

> -michael
>
> Check out amazing quality sound for 8-bit Apples on my
> Home page:  http://members.aol.com/MJMahon/



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