A bunch of startup related corrections for all emutypes
Closes #524
Cartridge core option refresh fixed
Closes #525
JiffyDOS & model core option refresh revised by renaming embedded ROM variables different than internal ROM names, so that external file loading won't replace the originals
New experimental VIC-20 core option for deciding memory expansion size automatically per launched PRG file size
A bunch of startup related corrections for all emutypes Closes #524
Cartridge core option refresh fixed Closes #525
JiffyDOS & model core option refresh revised by renaming embedded ROM variables different than internal ROM names, so that external file loading won't replace the originals
New experimental VIC-20 core option for deciding memory expansion size automatically per launched PRG file size
Cleanups