Codex Gamicus
This article is a generic description of Namco's "Galaga" hardware. For the specific arcade game, see Galaga.

The Namco 8-bit Galaga is an arcade game system board. It was first used by Namco in 1981.

Namco Galaga specifications[]

  • Main, graphics and sound CPU : three Z80 processors[1]
  • Sound Chip : Use the same custom 3 channel WSG (waveform sound generator) as Pac-Man.
  • Other Chips : Custom I/O controller (type 1) which handles the controls. Bosconian also has a second I/O controller (type 1) which handles the speech.
  • Video resolution : 288x224
  • Notes : Each game uses a different video board (except Xevious and Super Xevious which are the same)

List of Namco Galaga arcade games[]


  1. "Schematics and Wiring Diagrams" (pdf). Midway Galega Parts and Operating Manual. Chicago, Illinois: Midway Games. October 1981. pp. 7–7Template:Ndash 7-9, 7-14. Retrieved 2009-07-20.