Partial fix for Easy difficulty, move DIP switches to MRAs, new MRAs, blanking logic tweaks, update framework

Update README.md

Update README.md

Core rewritten in SV, numerous audio fixes

Typo

Note about incorrect resolution being reported

Change vertical resolution for arcade_rotate_fx

Controller customization now added, removed note about this feature missing

Fix leftover question marks in comments, change to direct VRAM address multiplexing

add fast button

add joystick support

Initial release