Fixed Sys-E BG 2 vertical scroll, added dip-switches for Slap Shooter.

Fixed load/save state for Coleco.

Fixed load/save state for Master System.

Added VSCode configs, added list of supported arcade games, better se…

…lection of machine, fixed pause on old consoles.

Fixed crash at startup and added UI to turn off YM2413.

Updated version numbers.

Updated version.