On 2013-06-29, at 18:18, Gerrit Heitsch wrote: >>> If I was using it in a VIC-20 as RAM >>> expansion, then I would connect it to PHI2, knowing that nothing >>> will access it at the moment PH2 = (L). >> >> Hm.. I should be able to try this easily too. Actually I was thinking of something like that, as PHI2 (HI) is also used for allowing R/_W.. > > Check the datasheet if there is a minimum time between _RFSH going high and the next read or write access to the RAM happening. If yes, is it short enough for the VIC-20? :-) I am not that much interested in the VIC-20 ;-) But I found something interesting here: http://www.d81.de/CLD-RAMBOard/RAMBOard-2C.shtml -- SD! Message was sent through the cbm-hackers mailing listReceived on 2013-06-29 22:00:10
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