> Certainly the game might qualify for the MACHINE_UNEMULATED_PROTECTION Flag..???
Like all games in that driver (legionna.cpp), it is already flagged for both not working and unemulated protection because both apply. The RED warning screen also states both messages.
GAME( 1993, grainbow, 0, grainbow, grainbow, driver_device, 0, ROT0, "Banpresto", "SD Gundam Sangokushi Rainbow Tairiku Senki", MACHINE_UNEMULATED_PROTECTION | MACHINE_NOT_WORKING )
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