NEO-C1
Also found on MVS boards.
Handles both joypad ports inputs, the UPD4990 calendar access, and drives the /OE lines for various chips (Battery-backed RAM, LSPC...)
Address bus connections: A23~A17
Also found on MVS boards.
Handles both joypad ports inputs, the UPD4990 calendar access, and drives the /OE lines for various chips (Battery-backed RAM, LSPC...)
Address bus connections: A23~A17