*20
	12-D0AB
	 
	PDP-12 CP TST 2
	(SKIP AND DATA HANDELING)
	 
	STARTING LOCATION
	START 20
	 
	SWITCH SETTINGS
	SENSE SW = 77 INITIALLY AND THEY SHOULD BE SET TO ZERO ONE AT A TIME TO BE CERTAIN THAT THEY WILL CAUSE ERR HLTS