This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/). addr/data: 8 8 0

A1 A2 A3 A4 B1 B2 B3 B4 B1 B2 B3 B4 A1 A2 A3 A4 STB GAB STB GBA S1 S2