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    demo2板數(shù)碼管從0加1到999999程序

    更新時(shí)間: 2019-03-23
    閱讀量:2837

    十年專注單片機(jī)方案開(kāi)發(fā)的方案公司英銳恩,分享demo2板數(shù)碼管從0加1到999999程序。英銳恩現(xiàn)提供服務(wù)產(chǎn)品涉及主控芯片:8位單片機(jī)、16位單片機(jī)、32位單片機(jī)及各類運(yùn)算放大器等。

    ;實(shí)驗(yàn)?zāi)康模菏煜?shù)碼管的動(dòng)態(tài)顯示
    ;數(shù)碼管顯示數(shù)字加1從“0-999999”
    ;硬件要求:撥碼開(kāi)關(guān)S6全置ON,S5第6位置ON,其它位和撥碼開(kāi)關(guān)置OFF
     #INCLUDE            ;包含頭文件
    __CONFIG _DEBUG_OFF&_CP_ALL&_WRT_HALF&_CPD_ON&_LVP_OFF&_BODEN_OFF&_PWRTE_ON&_WDT_OFF&_HS_OSC
    ;芯片配置字,看門狗關(guān),上電延時(shí)開(kāi),掉電檢測(cè)關(guān),低壓編程關(guān),加密,4M晶體HS振蕩
      TMRO          equ            01H
      status        equ            03h
      pcl           equ            02h
      TRISA         equ            85H
      TRISD         equ            88h
      count         equ            20h
      count1        equ            27h
      number        equ            28h
      w_temp        equ            21h
      s_temp        equ            22h
      tmro_b        equ            23h
      count2        equ            29h
      count3        equ            30h
      count4        equ            31h

    count5        equ            32h
      org                          00h
    nnnnn
      nop
      goto                        main
      org                         004h
    tmroserv
      movwf                       w_temp
      swapf                       STATUS,W
      CLRF                        STATUS
      MOVWF                       s_temp
      incf                        count
      movlw                       .10
      xorwf                       count,w
      bz                          lp1
      goto                        lp7
    lp1
      clrf                        count
      incf                        count1

     movlw                       .10
      xorwf                       count1,w
      bz                          lp2
      goto                        lp7
    lp2
      clrf                        count
      clrf                        count1
      incf                        count2
      movlw                       .10
      xorwf                       count2,w
      bz                          lp3
      goto                        lp7
    lp3
      clrf                        count
      clrf                        count1
      clrf                        count2
      incf                        count3
      movlw                       .10
      xorwf                       count3,w
      bz                          lp4
      goto                        lp7
    lp4
      clrf                        count
      clrf                        count1
      clrf                        count2
      clrf                        count3
      incf                        count4
      movlw                       .10

      xorwf                       count4,w
      bz                          lp5
      goto                        lp7
    lp5
      clrf                        count
      clrf                        count1
      clrf                        count2
      clrf                        count3
      clrf                        count4
      incf                        count5
      movlw                       .10
      xorwf                       count5,w
      bz                          lp6
      goto                        lp7
    lp6
      clrf                        count

    clrf                        count1
      clrf                        count2
      clrf                        count3
      clrf                        count4
      clrf                        count5  
    lp7
      bcf                         STATUS,2
      movlw                       tmro_b
      movwf                       TMR0
      MOVLW                       0A0H
      MOVWF                       INTCON
      BCF                         INTCON,2
      swapf                       s_temp,w
      movwf                       STATUS
      MOVFW                       w_temp
      retfie
    main
      bcf                          STATUS,5
      MOVLW                        0a0h
      MOVWF                        INTCON
      BCF                          INTCON,2
      movlw                        tmro_b
      movwf                        TMRO
      MOVLW                        0FFH

     MOVWF                        PORTA
      MOVWF                        PORTD
      bsf                          STATUS,5
      CLRF                         TRISA
      CLRF                         TRISD
      movlw                        06H
      movwf                        ADCON1
      movlw                        07H
      movwf                        OPTION_REG
      bcf                          STATUS,5
      clrf                         number
      CLRF                         count
      CLRF                         count1
      clrf                         count2
      clrf                         count3
      clrf                         count4
      clrf                         count5
    LOOP
      movfw                        count
      call                         TABLE

     MOVWF                        PORTD
      BCF                          PORTA,5
      CALL                         delay
      bsf                          PORTA,5

      MOVFW                        count1
      call                         TABLE
      MOVWF                        PORTD
      BCF                          PORTA,4
      CALL                         delay
      BSF                          PORTA,4
     
      MOVFW                        count2
      call                         TABLE
      MOVWF                        PORTD
      BCF                          PORTA,3
      CALL                         delay
      BSF                          PORTA,3

      MOVFW                        count3
      call                         TABLE
      MOVWF                        PORTD
      BCF                          PORTA,2
      CALL                         delay
      BSF                          PORTA,2

    MOVFW                        count4
      call                         TABLE
      MOVWF                        PORTD
      BCF                          PORTA,1
      CALL                         delay
      BSF                          PORTA,1

      MOVFW                        count5
      call                         TABLE
      MOVWF                        PORTD
      BCF                          PORTA,0
      CALL                         delay
      BSF                          PORTA,0
     
      goto                         LOOP
    ;-----------------------
    delay                                 
      ;MOVLW                        03H                ;0.6S
      ;MOVWF                        24H

    ;LP0                                               ;0.2S廷時(shí)子程序
      MOVLW                        D'50'
      MOVWF                        25H
    LP1
      MOVLW                        D'16'
      MOVWF                        26H
    LP2
      DECFSZ                       26H,1
      GOTO                         LP2
      DECFSZ                       25H,1
      GOTO                         LP1
      ;DECFSZ                       24H,1
      ;GOTO                         LP0
      RETURN
    ;-----------------------

    TABLE
      ADDWF                       pcl,1
      retlw                       0c0h                    ;0
      retlw                       0f9h                    ;1
      retlw                       0a4h                    ;2
      retlw                       0b0h                    ;3
      retlw                       99h                     ;4
      retlw                       92h                     ;5
      retlw                       82h                     ;6
      retlw                       0F8h                    ;7
      retlw                       80h                     ;8
      retlw                       90h                     ;9
    ;-----------------------
      end

     (文源網(wǎng)絡(luò),侵刪)

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