单片机电子秤设计软件程序清单

;        MOV     5BH,#04H
               AJMP    COUNT_1
KK5:           MOV     5BH,#05H
               AJMP    COUNT_1
KK6:           MOV     5BH,#06H
               AJMP    COUNT_1
KK7:           MOV     5BH,#07H
               AJMP    COUNT_1
KK8:           MOV     5BH,#08H
               AJMP    COUNT_1
KK9:           MOV     5BH,#09H
               AJMP    COUNT_1
KKE:           AJMP    END_P
COUNT_1:       MOV     A,44H            ; 44H存按键次数
               INC     A
               MOV     44H,A
               CJNE    A,#05H ,CW1       ; 按键次数是否达到4次
               AJMP    YUZHI       ; 五次按键则重设阈值
CW1:           ADD     A,#54H        ; 键盘按键存储空间
               MOV     R0,A
CW2:           CLR     A
               MOV     A,5BH
               MOV     @R0,A
               LCALL   PRO_SHOW
               AJMP    KEY_09
          &