(QRY) 0
 (TXT) 8259_pic.txt
 (UUE) e
 (TXT) intrbas.txt
 (QRY) 0
 (TXT) intrprog.txt
 (UUE) a
 (TXT) mouse.txt
 (QRY) 0
 (TXT) mouse_hw.txt
 (UUE) 6
 (TXT) pit.txt
 (ERR)