Analog modem emulator?

[Vintage Computer Festival]

On Fri, 5 Aug 2005, Tony Duell wrote:

> > TelePong requires the somewhat rare Apple Communications Card (prior even
> > to the original Apple Serial Card) and I have the original cassette that
>
> What did the COmmunications Card consist of? Checking one of my boxes of
> Apple ][ bits revealed a Super Serial Card (6551-based) and a Serial Card
> (a bit-banger, a few TTL chips and a couple of PROMs, P7 and P8). It's
> hard to see how you could have less than that.

I don't have the card to hand but I have the manual here.  It's real
simple, like the Disk ][ controller.  Two 74161, a 7474, a 6309, a
6850, and a DP8304.

It can do up to 4800 baud.

-- 

Sellam Ismail                                        Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger                http://www.vintage.org

[ Old computing resources for business || Buy/Sell/Trade Vintage Computers   ]
[ and academia at www.VintageTech.com  || at http://marketplace.vintage.org  ]