Re: "Co-Processor" Apple ?

["Robert C." <robc638killspam@sympatico.ca>]

"Robert C." <robc638killspam@sympatico.ca> wrote in message
news:PBXQc.43806$Jq2.1968772@news20.bellglobal.com...
> "Michael J. Mahon" <mjmahon@aol.com> wrote in message
> 20040806221648.23846.00003431@mb-m28.aol.com">news:20040806221648.23846.00003431@mb-m28.aol.com...
> > Mark Frischknecht wrote:
> >
> > >robc638@startmail.ca (Robert C.) wrote in message
> > >news:<f86a396.0408061005.125a0b3d@posting.google.com>...
> > >> I just acquired a second Apple ][+ motherboard and power supply. It
> > >> has 48K or RAM and all 8 ROM sockets have chips installed. It does
not
> > >> have a case, keyboard, or any cards. I tested it out using the
> > >> keyboard and disk drive from my existing A2, and it works.
> > >>
> > >> Can two Apples be connected together so they can use each other's
> > >> processors? Or at least, can they be networked together?
> > >>
> > >> Thanks
> > >> ~Rob~
> > >
> > >Check out this site. It might help you.
> > >http://members.aol.com/MJMahon/NadaNet.html
> > >
> > >He has managed to get 8 apples linked up
> >
> > Actually, I currently have the 8 Apple //e boards in the AppleCrate
> > plus two I/O-configured Apple //e's.  I just tried a IIgs today, and
> > it works fine with the speed set slow--I need to find out how to
> > slow it down briefly so it can usually run fast.  (I had hoped that
> > a reference to a 5.25" disk controller address would work, but it
> > doesn't--have to hit the IIgs hardware manual...)
> >
> > -michael
> >
> > Check out parallel computing for 8-bit Apples on my
> > Home page:  http://members.aol.com/MJMahon/
>
> Thanks, that's exactly what I wanted to hear. Now to do some reading on
> "NadaNet".
> ~Rob~
>

OK, I understand "NadaNet", and it is very interesting. I was wondering if
it would be possible to interface the two Apples via the expansion slots,
using the data and address buses, and the interrupts (IRQ), to halt each
other. The details and how or who will control what are still undecided. Any
ideas?

~Rob~