单片机电子秤设计软件程序清单

p;         MOV     ADDR1,#09H
                LCALL   SHUZIXIANSHI
                MOV     A,56H
                MOV     ADDR1,#0AH
                LCALL   SHUZIXIANSHI
                AJMP    END_P
   PR_3:       CLR     A                     ; 三次按键
                MOV     A,44H
                CJNE    A,#03H,PR_4
                CLR     A
                MOV     50H,55H
                MOV     A,56H
                SWAP    A
                ADD     A,57H
                MOV     51H,A
                MOV     A,55H
                MOV     ADDR1,#08H
                LCALL   SHUZIXIANSHI
                MOV     A,56H
                MOV     ADDR1,#09H
                LCALL   SHUZIXIANSHI
                MOV     A,57H
                MOV     ADDR1,#0AH
                LCALL&nb