hopper: Limit coin sensors to 100 ms to avoid coin chute jam errors.
hopper: Use periodic sensor for hopper to avoid hopper jam errors.
Issue #1365
medal: wire inputs and emulator required sensors. Embed medal games
nvmem to disable comm and all errors.
magicpop, unomedal, puyomedal, ochaken and westdmrg now playable.
kingyoch rom parent is kingyo