數(shù)碼管流水燈式顯示數(shù)據(jù)

    本程序是采用51單片機實現(xiàn)共陽數(shù)碼管流動顯示數(shù)據(jù)，蠻好看的，所以把程序?qū)懗鰜砗痛蠹乙黄鸱窒硪幌拢。?/p>

   電路圖在下面


下面是匯編程序代碼：
 

   D0  BIT  P2.0
   D1  BIT  P2.1
   D2  BIT  P2.2
   D3  BIT  P2.3
   D4  BIT  P2.5
      ORG  0000H
      SJMP START
     ORG  0040H
 START:MOV SP,#60H
     MOV R0,#00H
      MOV R1,#20
     MOV DPTR,#TABLE
     SETB D4
   MOV A,R0
   MOVC A,@A+DPTR   //1         
   MOV P0,A
   CLR D0
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //2
   MOV P0,A
   SETB D0
   CLR D1
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //3
   MOV P0,A
   SETB D1
   CLR D2
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //4
   MOV P0,A
   SETB D2
   CLR D3
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //5
   MOV P0,A
   SETB D3
   CLR D0
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //6
   MOV P0,A
   SETB D0
   CLR D1
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //7
   MOV P0,A
   SETB D1
   CLR D2
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR    //8
   MOV P0,A
   SETB D2
   CLR D3
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //9
   MOV P0,A
   SETB D3
   CLR D0
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //10
   MOV P0,A
   SETB D0
   CLR D1
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //11
   MOV P0,A
   SETB D1
   CLR D2
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //12
   MOV P0,A
   SETB D2
   CLR D3
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //13
   MOV P0,A
   SETB D3
   CLR D0
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //14
   MOV P0,A
   SETB D0
   CLR D1
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //15
   MOV P0,A
   SETB D1
   CLR D2
   LCALL DELAY
   MOV R1,#20
   INC R0
   MOV A,R0
   MOVC A,@A+DPTR   //16
   MOV P0,A
   SETB D2
   CLR D3
   LCALL DELAY
   SETB D3
   LJMP START
           DELAY:MOV R7,#200
            DEL1:MOV R6,#125
     DEL2:DJNZ R6,DEL2
          DJNZ R7,DEL1
   DJNZ R1,DELAY
   RET
           TABLE:DB 0C0H,0F9H,0A4H,0B0H
                 DB 99H,92H,82H,0F8H
                 DB 80H,90H,88H,83H
                 DB 0C6H,0A1H,86H,8EH
                 END