Added a routine to copy 64-byte blocks from bank 1 to bank 0, so we can take full advantage of the second bank of RAM for file space. Also bug hunting, as a previously tested routine turned out to be clobbering a location unexpectedly.
You can find related resources and a link to the code repository for the series here: https://aaron.baugher.biz/pages/6502-...
If you would like to contribute to support these videos, please see my Patreon at / aaronbaugher . Thank you!