V6.4 : 16-Dec-2022 by Dave Bernazzani (wavemotion)
- Reduced stack memory so we don't crash when first creating a Savekey EE file.
- Improved 6502 handling to localize the PC for a bit of a performance boost.
- Added the 3E+ banking scheme.
- New global palette and sound options on the Configuration Menu page 2 (use L/R keys).
- Other small improvements as time permitted.