单片机程序怎么加个代码让显示的字能滚动显示？现在只能显示前四个字，想实现六个... -

标题: 单片机程序怎么加个代码让显示的字能滚动显示？现在只能显示前四个字，想实现六个... [打印本页]

作者: dialogue 时间: 2019-12-31 14:47
标题: 单片机程序怎么加个代码让显示的字能滚动显示？现在只能显示前四个字，想实现六个...
ORG 0000H;指定一个地址，后面的程序或数据从这个地址值开始分配
      JMP MAIN
      ORG 0023H
      JMP CHUAN
      ORG 0050H
MAIN:MOV SCON,#00H
   SETB ES
      SETB EA
START:MOV R0,#10H
   MOV R1,#0FH
      MOV R3,#7FH
LOOP: MOV A,R1
   MOV P0,A
      DEC R1
      CLR P1.0
      MOV A,R3
      MOV DPTR,#TABLE
      MOVC A,@A+DPTR
      MOV SBUF,A
      MOV R4,#02H
      MOV R5,#03H
      MOV R6,#03H
      MOV R7,#03H
      MOV R2,#08H
      CJNE R2,#00H,$
      CALL DELAY
      MOV A,R3
      ADD A,#5FH
      MOV R3,A
      DJNZ R0,LOOP
      JMP START
CHUAN:CLR TI
   DJNZ R2,WORD
         SETB P1.0
         JMP RT
WORD: DJNZ R4,CHANG
   MOV R4,#01H
         MOV A,R5
         CJNE A,#03H,GONG1
         CALL JIAN
GONG1:DJNZ R5,CHANG
   MOV R5,#01H
         MOV A,R6
         CJNE A,#03H,CHUN1
         CALL JIAN
CHUN1:DJNZ R6,CHANG
      MOV R6,#01H
         MOV A,R7
         CJNE A,#03H,CHANG1
         CALL JIAN
CHANG1:DJNZ R7,CHANG
CHANG:CALL CHUANS
   NOP
RT: RETI
   NOP
JIAN:MOV A,R3
   SUBB A,#1EH
      MOV R3,A
      RET
CHUANS:NOP
   DEC R3
         MOV A,R3
         MOVC A,@A+DPTR
         MOV SBUF,A
         RET
DELAY:MOV R6,#0FH
B1: MOV R5,#04FH
   DJNZ R5,$
      DJNZ R6,B1
   RET
TABLE:
DB 01H,00H,01H,00H,01H,00H,01H,00H;
DB 01H,00H,0FFH,0FEH,01H,00H,01H,00H;
DB 02H,80H,02H,80H,04H,40H,04H,40H;
DB 08H,20H,10H,10H,20H,08H,0C0H,06H;

DB 00H,40H,20H,40H,17H,0FEH,10H,80H;
DB 00H,0A0H,01H,20H,0F3H,0FCH,10H,20H;
DB 10H,20H,10H,20H,17H,0FEH,10H,20H;
DB 10H,20H,28H,20H,47H,0FEH,00H,00H;

DB 02H,00H,01H,00H,01H,00H,0FFH,0FEH;
DB 00H,00H,10H,10H,10H,08H,20H,24H;
DB 48H,24H,04H,40H,02H,80H,01H,00H;
DB 02H,80H,0CH,40H,30H,30H,0C0H,0EH;

DB 00H,00H,47H,0F8H,20H,10H,21H,0A0H;
DB 00H,40H,07H,0FCH,0E4H,44H,24H,44H;
DB 27H,0FCH,24H,44H,24H,44H,27H,0FCH;
DB 24H,44H,24H,54H,54H,08H,8FH,0FEH;

DB 01H,00H,01H,00H,01H,00H,01H,00H;
DB 01H,00H,0FFH,0FEH,01H,00H,01H,00H;
DB 02H,80H,02H,80H,04H,40H,04H,40H;
DB 08H,20H,10H,10H,20H,08H,0C0H,06H;

DB 22H,08H,11H,08H,11H,10H,00H,20H;
DB 7FH,0FEH,40H,02H,80H,04H,1FH,0E0H;
DB 00H,40H,01H,80H,0FFH,0FEH,01H,00H;
DB 01H,00H,01H,00H,05H,00H,02H,00H;
END

作者: 无敌小杰杰 时间: 2020-1-2 17:43
大哥，你这能换成c语言写的不

欢迎光临 (http://www.51hei.com/bbs/)