NEC uPD4991a parallel RTC - mame (0287) machine


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upd4991adevices/machine/upd4991a.cppnoyesnonoNEC uPD4991a parallel RTC
MAME: 0287 - Released: 2026-03-29T16:29:11 - Machines: 49860 - rom: 369890 - disk: 1398