Jim Brain is working on a new memory expansion for the Commodore VIC20. The features are: The memory is organized in 5 "windows": RAM1/2/3, BLK1, BLK2, BLK3, and BLK5. Each "window" can be configured to show any 8kB RAM or FLASH ROM page in the memory space. There are 1024 8kB pages of FLASH RAM, and 128 8kB pages of RAM.