National Semiconductor MM58274C RTC - mame (0283) machine

MAME: 0283 - Released: 2025-11-27T19:22:18 - Machines: 49383 - rom: 366513 - disk: 1391

machine

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mm58274cdevices/machine/mm58274c.cppnoyesnonoNational Semiconductor MM58274C RTC