What could cause the following artifact in Ikari no Yousai (J) in MESS AND in my testing SNES PAL with Jap adapter (yeah, looks odd but it's like it) but doesn't in bsnes/snes9x?
(it's after you beat the first mini-boss)

[Linked Image from mamedev.emulab.it]

http://mamedev.emulab.it/kale/fast/files/iny.jpg

Last edited by Kale; 09/07/09 11:16 PM. Reason: Added an extra image for the "epic fail"