Hi Dan, all, Yes I can verify that it does work, one of my C64's still has an EPROM replacement PLA. I remember experimenting at the time and finding some EPROM type/speed combinations worked better than others. The one I ended up going with one that seemed to work 100% as far I could tell without testing every program in existence. On 6/04/2019 5:04 am, Daniel V. Mackey wrote: > At 05:59 PM 4/5/2019, you wrote: > > I programmed an EPROM (27C512-64k) PLA a few years back with a > Promenade C1 programmer. I had to program the upper 32k then do the > lower 32k. > > It works but some programs cause artifacts on the screen BUT it does > work. > > >> I've dumped both versions some years ago and compared the JEDEC files. >> The were different but the differing terms were disable. In other words >> the resulting functionality was 100% identical. >> >> /Frank >> >> >> >> -- >> Sent from: http://cbm-hackers.2304266.n4.nabble.com/ > > --- > WWW: http://www.commodoredungeon.com > > QUOTE : "A Clean bench is a sign of a weak mind." > > >Received on 2020-05-29 21:13:57
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