hbmame (0.289.2) • machine upd4990a • uPD4990A RTC


machine

• XML • JSON • RUN

namesourcefilecloneofromofisbiosisdeviceismechanicalrunnabledescriptionyearmanufacturersampleof
upd4990adevices/machine/upd1990a.cppnoyesnonouPD4990A RTC

hbmame (0.289.2) • released: 2026-09-03T09:36:34 • machines: 9680 • rom: 239148