------- GND -- |01 31| -- +5V CPU A11 -> |02 32| <- M2 CPU A10 -> |03 33| <- CPU A12 CPU A9 -> |04 34| <- CPU A13 CPU A8 -> |05 35| <- CPU A14 CPU A7 -> |06 36| <> CPU D7 CPU A6 -> |07 37| <> CPU D6 CPU A5 -> |08 38| <> CPU D5 CPU A4 -> |09 39| <> CPU D4 CPU A3 -> |10 40| <> CPU D3 CPU A2 -> |11 41| <> CPU D2 CPU A1 -> |12 42| <> CPU D1 CPU A0 -> |13 43| <> CPU D0 CPU R/W -> |14 44| <- /ROMSEL (/A