[Coco] Prototype/Breakout Board

John W. Linville linville at tuxdriver.com
Mon Mar 26 11:17:06 EDT 2012


On Sat, Mar 24, 2012 at 11:32:35PM -0400, jdaggett at gate.net wrote:
> On 24 Mar 2012 at 20:50, Louis Ciotti wrote:
> 
> > I am probably just going to bring them all out.
> > 
> > Dummy check time... .I want to make sure I have the pin/signal types 
> > correct.
> > 
> > A0-A15    Bidirectional
> 
> Unidirectional Ouput from the Coco buss and microprocessor

Someone did a project not too long ago that had an external CPU
(maybe a Propeller?) driving the CoCo's video circuits and such.
So, It seems like the address lines need to be bidirectional if you
want something like that to work.

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville at tuxdriver.com			might be all we have.  Be ready.



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