On 10/9/2019 4:29 PM, Istvan Hegedus wrote: > Hi, > > I assume you refer to VIC-II (and in general the 4k I/O block on a > C64). I haven't done any testing myself but I would be really > surprised > if writes bleed through. > > > I have done measurements on TED and in the I/O block area CAS is not > activated thus the write does not bleed through to ram. > Most probably VIC-II behaves the same > > Istvan Which is why I am hesitant to put it in the VIC-II (yes, not VIC-20) address space. It has to be something that will get written as RAM in the address space. But, I like the earlier idea of using the "unlock" sequence to signify where to show the registers. So, I will see if I can work that in. Jim -- Jim Brain brain_at_jbrain.com www.jbrain.comReceived on 2020-05-29 23:03:21
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