Bootleg Galaga (22pin edge connector)

CPU bd

+-----------------------------------+
|                                   |
  L1.3


      G7  G5        G4  G3  G2  G1
      z80 z80 z80   G6          z80


  M5.2

|                                   |
+-----------------------------------+

VID

+-----------------------------------+
|                                   |

                             P4.4

    G11                      G9
    G10
    
                            P9.CLR

|                                   |
+-----------------------------------+

