On 11/3/2021 4:42 PM, smf wrote: > Yes, which makes it impossible for vic2 to fetch color from the 64k of > dram & replacing the 1k of sram with dram would require some dram > refresh logic. > > On 03/11/2021 20:45, Claudio Sánchez wrote: > >> It has a direct connection, hasn't it? >> > I would love help finishing this project: https://github.com/go4retro/UltiMem64/blob/master/pcb/UltiMEM64_Color%20PCB.png It's a 128 bank replacement for Color RAM that has an integrated MMU to select different banks for CPU and VIC-II usage. I got hung up on some timing issues on bank selection, and just put it aside for the moment. -- Jim Brain brain_at_jbrain.com www.jbrain.comReceived on 2021-11-03 23:02:43
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