Dot matrix controller CPUs by display size

The dot matrix controller has its own processor: a Z80A on Checkpoint to Hook (128x16 display), a 68B09 on Lethal Weapon 3 to Guns N' Roses (128x32) and a 68000 on Maverick to Batman Forever (192x64). It only runs the display animations; the game itself runs on the 6808 or 6802 on the CPU board.

Systems

• Data East CPU Version 3
• Data East/Sega CPU Version 3b

Related tips

• DMD keeps resetting in attract mode: torn ribbon cable at the display controller
• Display freezes or shows garbage after warming up: reseat the display controller ROMs
• Combining two 27020 display images into one 27040
• 192x64 display EPROMs must be 120 ns or faster
• Dot matrix controller boards
• The three Data East dot matrix display sizes
• Display not working: check +5 V at the controller first
• Dot matrix controller boards and processors by game

Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part Two, Clay Harrell (pinrepair.com)