;get data from SWs on P1 and send it to LEDs on P2 on MDE 8051 Trainer
;Tested by Mazidi 
;Modified from Examples in Chap 4 of 8051 Microcontroller book by Mazidis & McKinlay 
;Using wires connect the P1 to Swiches and P2 to LEDs.
;Any data on switches will go to LEDs 			
 			ORG	 0
 			MOV	A,#0
 			MOV	P2,A    	;P2 as output
 			MOV	A,#0FFH
 			MOV	P1,A		;P1 AS INPUT
 			
BACK:			MOV 	 A,P1		;get data from SWs on P1
			MOV	 P2,A       	;send it to LEDs on P2
			SJMP	 BACK       	;keep doing it
		   	END