FATVIC

[Blacklord]

FATVIC is a drop in replacement for the 6560/6561 VIC chip used in the Commodore VIC 20 computer. It has all the usuall features of the 6560/6561, but also some extra optional features. Full memory in BLK0 accessable by the VIC chip, VGA mode, and enhanced functionallity with 32 sprites, hires graphics and fast hardware accelerated drawing and memory copying.

https://blog.deciduous.se/tag/fatvic/