I had a quick look on Mametesters for this but couldn't see it at first glance. I was messing about in the test menu in the game and when you flip the screen in the test menu all the text goes garbled and unreadable. Flipping it back makes it all work fine however.
I attached a screen shot from MAME 0.149 64-Bit
[ATTACHED IMAGE]
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On a quest for Digital 573 and Dancing Stage EuroMix 2