[Coco] CoCo3 PIA?

[jdaggett at gate.net]

On 3 Jan 2007 at 13:30, Mark Marlette wrote:

> 
> I also noticed that the NAND(IC14) could be using it's inputs to pull  
> the IC5's inputs high. That way Tandy would have had to spend the  
> $0.01 on the pullup resistors. :)
> 
******************

Back in 1985 time frame resistors would have been in the $0.03 range. I doubt 
that the input to a LSTTL device is used for pullups.

james