;;;;ÓÒÒÆÎ»³ý YICHU:MOV R0,#03H ;;;;£»ÒÆÎ»´ÎÊý YICHU1:CLR C MOV A,R6 RRC A MOV R6,A MOV A,R7 RRC A MOV R7,A DJNZ R0,YICHU1 RET