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- Wed Jan 24, 2018 12:49 am
- Forum: Hardware and Tech
- Topic: 40 80 column cards
- Replies: 22
- Views: 9256
Re: 40 80 column cards
I started an 80-column cartridge for the C64 here: http://www.6502.org/users/sjgray/projects/vyms64/index.html This cartridge uses a Yamaha video chip like used in the MSX2 computers, a Yamaha sound The MSX video chip is a licensed derivative of the TI9918a chip used in the Coleco Adam, TI/99-4a.