Thanks a lot. But is there a way to copy .d64 files in the cartridge? Or only CRT files will works?

Hi folk!
I'd like to build my own cartridges using 27xxx eproms, anybody can help me with a simple schematic? thank you!!!

Hello, I placed a GEOS 128 EPROM in my 128D U36 socket but it doesn't works or I don't know how to use it. Anybody can help me? thanks!

Well, how to switch 4 kernals on a 27512? and how to switch 4 kernals on a 27256 using it in a C64 (with 8k kernal)? thanks

hello, anybody know how to put and use 4 different kernals in the same eprom? I'd like to change the c64 mode kernal in my 128D and maybe on my c64) and like to have 4 different kernals on the same 27256 eprom but don't know how to swap they. what's the pins to shortcut? thanks

Hello, where can I download JIFFYDOS for OC-118? thanks!