Rom Hunter #1 Posted December 2, 2019 (edited) What exactly is this? Is it some kind of copy cart? Edited December 2, 2019 by Rom Hunter Quote Share this post Link to post Share on other sites
Thomas Jentzsch #2 Posted December 3, 2019 (edited) That's for the C64. It saves 8K of memory ($8000..$9fff) on the cart, which is battery buffered. https://www.c64-wiki.de/wiki/SOFT-PROM Edited December 3, 2019 by Thomas Jentzsch 3 Quote Share this post Link to post Share on other sites
Rom Hunter #3 Posted December 3, 2019 Thanks! Quote Share this post Link to post Share on other sites