LISTING	2 

; TUTA2.ASM	
; setting Port B to output mode and turn on each LED 

 	ORG 0		 ; Reset vector
	GOTO 5		 ; Goto start of program
 	ORG 4		 ; Interrupt vector
	GOTO 5		 ; Goto start of program
 	ORG 5		 ; Start of program memory 
 	CLRF 6		 ; set all Port B pins to logic 0 
 	BSF 3,5		 ; instruct program that a Page 1   
		 	 ; command comes next 
 	CLRF 6		 ; set all Port B pins as outputs 
 	BCF 3,5		 ; instruct program that a Page 0   
		 	 ; command comes next 
 	BSF 6,0		 ; set Port B pin 0 to logic 1 
 	BSF 6,1		 ; set Port B pin 1 to logic 1 
 	BSF 6,2		 ; set Port B pin 2 to logic 1 
 	BSF 6,3		 ; set Port B pin 3 to logic 1 
 	BSF 6,4		 ; set Port B pin 4 to logic 1 
 	BSF 6,5		 ; set Port B pin 5 to logic 1 
 	BSF 6,6		 ; set Port B pin 6 to logic 1 
 	BSF 6,7		 ; set Port B pin 7 to logic 1 
 	END		 ; final statement