Configuration for Magic Knight Rayearth (USA) fixes hang

[ztion]

Magic Knight Rayearth hangs on black screen after boss fight in waterfall's secret path.
This configuration fixes the issue and lets game continue.

Magic Knight Rayearth (USA)

[T-12706H V1.000]
play_delay = 10000
sector_delay = 5000

Maybe you can add it to your list.