Summagraphics Bit Pad One GPIB protocol documentation?

[Josh Dersch]

Tony Duell wrote:
>> I'm working on supporting GPIB tablet support for PERQemu (right now it 
>> only supports the 3-button Kriz tablet).  Anyone have documentation for 
>> the protocol used by the GPIB variant of the Summagraphics Bit Pad One?
>>     
>
> Not suprisingly (as a PERQ-fanatic :-)) I have the excellent user manual 
> for the Bit Pad 1, which contains full schematics and protocol 
> information. From waht I remember, the BP1 came in RS232 and GPIB 
> versions, and the data protocol was the same.
>
> If you get no other replies I'll dig out the manual and type it up.
>
> -tony
>
>   
Thanks -- looks like Al already has it scanned, so there's no need to go 
through the trouble of transcribing it for me.  Thanks for the offer, 
though.

Looks like a pretty simple protocol, should be easy to get going, at 
least once I work out the subtleties of GPIB...

(I almost have Accent booting... so very close...)

Josh