Speaking of Master Systems, can someone test Bank Panic on their end? It seems to be broken on all versions except smsj. CRC of the tested ROM image is B4DFB825; works with Meka's built-in BIOS (unless it's just a 'watch the SEGA logo' before the game starts), and in Dega.

Tested in MESS 0.126 with the v1.3, Hang-on and Alex Kidd BIOS sets, both NTSC and PAL.