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    1. 新聞中心

      EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > 單片機(jī)十字旋轉(zhuǎn)LED程序

      單片機(jī)十字旋轉(zhuǎn)LED程序

      作者: 時間:2016-11-23 來源:網(wǎng)絡(luò) 收藏

      本文引用地址:http://www.biyoush.com/article/201611/320348.htm

      ORG 0000H
      MAIN: MOV DPTR,#TAB
      MOV R2,#0
      MM: MOV A,R2
      MOVC A,@A+DPTR
      lcall hbit
      CPL A
      MOV R4,A
      INC R2
      MOV A,R2
      MOVC A,@A+DPTR
      lcall hbit
      CPL A
      MOV R3,A
      INC R2

      MOV P0,R4
      MOV P2,R3
      DJNZ R6,$
      DJNZ R6,$
      MOV A,R2
      CJNE A,#128,mm ;其中的128代表四個漢字的長度,1個漢字32,2個64----8個到255.
      LJMP main

      hbit: ;字符顛倒
      mov c,acc.0
      mov b.7,c
      mov c,acc.1
      mov b.6,c
      mov c,acc.2
      mov b.5,c
      mov c,acc.3
      mov b.4,c
      mov c,acc.4
      mov b.3,c
      mov c,acc.5
      mov b.2,c
      mov c,acc.6
      mov b.1,c
      mov c,acc.7
      mov b.0,c
      mov a,b
      ret


      TAB: ;具體顯示內(nèi)容,這里是4個漢字
      db 08h,20h,06h,20h,80h,7eh,63h,80h
      db 0ch,04h,00h,04h,20h,04h,20h,04h
      db 20h,04h,3fh,0fch,20h,04h,20h,04h
      db 20h,04h,20h,04h,00h,04h,00h,00h
      db 20h,00h,20h,02h,22h,32h,22h,0e4h
      db 22h,08h,0fah,30h,22h,0e0h,2fh,80h
      db 22h,04h,0fah,02h,22h,02h,23h,0fch
      db 20h,00h,20h,40h,20h,30h,00h,00h
      db 20h,00h,20h,00h,27h,0feh,24h,20h
      db 24h,0a0h,26h,0a0h,2dh,0a0h,0f4h,0feh
      db 24h,0a0h,25h,0a0h,26h,0a0h,24h,0a4h
      db 24h,22h,67h,0fch,20h,00h,00h,00h
      db 00h,00h,20h,04h,20h,08h,27h,98h
      db 24h,0b0h,24h,82h,0a4h,81h,64h,0feh
      db 24h,80h,24h,80h,24h,0a0h,27h,0b0h
      db 60h,1ch,20h,08h,00h,00h,00h,00h

      end



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