Re: Apple ii projects for kids?

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

Sean Fahey wrote:
> On Wednesday, September 7, 2011 11:22:43 PM UTC-5, mspangler wrote:
>
>
> > Any more than that and you are looking at a 6821 or 6522 PIA card.
> > Someday when I've brave and not running my tail off on other projects
> > (hah, like that will be soon) I'll have to try to build one on an IO
> > prototyping card. If someone clones the old Applied Engineering IO 32
> > card and it's software I probably would buy it. But really one 6821
> > can do a lot.
>
>
> http://www.ebay.com/sch/i.html?_nkw=John+Bell+Parallel&_sacat=0&_sop=10&_odkw=bell+parallel+32

As you can see, it's really little more than the two 6522's, plus
a couple of gates to fiddle the Apple's phased clock into a more
conventional timing for the 65xx family.

-michael

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