Nice! I might be willong to collab. What i would like is a set of block copy routines, since there are so many variations... e.g. src/dest in zero page, same

Nice! I might be willong to collab. What i would like is a set of block copy routines, since there are so many variations... e.g. src/dest in zero page, same page, distant page, etc. I'm tired of re-writing them each time :)