[Coco] Disto 1MB or 2MB upgrade
cyouse at serialtechnologies.com
Tue Jul 15 11:37:31 EDT 2008
On Tue, 2008-07-15 at 10:23 -0500, Mark Marlette wrote:
> Same goes for his equations.......
> I asked him about this at one of the fests as I had a ton of
> corrections. Not one of his products as I recall was documented
> properly, especially the 1-2 meg boards.
> He just smiled........
> A trained eye will catch the mistakes. The casual observer will not.
I didn't look very closely, but I did go a little cross-eyed when I saw
the output from a NAND gate tied to an output from the PAL. Didn't make
much sense. I wonder if that's part of it.
Maybe I'm better off putting mental muscle into making my own upgrade
board. Take advantage of newer parts (CPLD).
Thanks for the warnings folks.
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