org	00h
;================================================
led_red	equ	p2.2
led_grn	equ	p2.3
led_flg	equ	22h.1		;led flag,1=>red,0=>green 
;================================================	
team_set:	
	jb	led_flg,red
	jmp	green
;
red:
	clr	led_red		;red led
	setb	led_grn
	jmp	team_set	;jmp=>ret
;
green:				;grn led
	clr	led_grn
	setb	led_red
	jmp	team_set	;jmp=>ret
;
	end