GPIO:
	MOV		P0M1, #0 	
 	MOV		P0M0, #0
	MOV		P1M1, #0 	
 	MOV		P1M0, #0
	MOV		P2M1, #0 	
 	MOV		P2M0, #0
	MOV		P3M1, #0
	MOV		P3M0, #0
	MOV		P4M1, #0
	MOV		P4M0, #0
	MOV		P5M1, #0
	MOV		P5M0, #0
	MOV		P6M1, #0
	MOV		P6M0, #0
	MOV		P7M1, #0
	MOV		P7M0, #0
	RET