uPD4990A RTC - mame (0283) machine

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

machine

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namesourcefilesampleofisbiosisdeviceismechanicalrunnabledescriptionyearmanufacturercloneofromof
upd4990adevices/machine/upd1990a.cppnoyesnonouPD4990A RTC