V8.5: 20-Aug-2023 by wavemotion-dave
- Added Sord M5 keyboard graphic and improved Sord M5 keyboard handling.
- Fixed Sord M5 keyboard interrupts so that games like Jumping Jack and Drops play.
- Added ability to switch Sord M5 BIOS from sordm5.rom to sordm5p.rom when playing PAL games.
- Added ability to disable the key click when using a game/program that already provides key feedback.
- Added the SMS mapper for the few SG-1000 games that use them (Most notably Loretta no Shouzou: Sherlock Holmes and the SG-1000 port of Prince of Persia).