On Sun, Jul 31, 2016 at 04:48:15PM +0200, Michał Pleban wrote: > > D0..D3 are inputs too, and D8..D11 are tristate outputs. There is no > > real 4066 functionality I think (only one direction is needed). > > That would mean that the color RAM would be write-only, unlike on the > C64. Is that really the case? Oh, hrm, I didn't think of that, whoops. I doubt the 6703 connects them though (a la 4066, really switches them together); it has access to the R/#W signal so I bet that figures in, it just drives one side at either time. Someone decap one already! For science! :-) Segher Message was sent through the cbm-hackers mailing listReceived on 2016-07-31 15:02:07
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