National Semiconductor COP420 - mame (0287) machine


machine

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namesourcefilesampleofisbiosisdeviceismechanicalrunnabledescriptionyearmanufacturercloneofromof
cop420devices/cpu/cop400/cop400.cppnoyesnonoNational Semiconductor COP420
MAME: 0287 - Released: 2026-03-29T16:29:11 - Machines: 49860 - rom: 369890 - disk: 1398