12.asm

查表功能,对数码管进行显示,0,1,2,3,4,5,6,7,8,9. PIC单片机开发

;======================================
        org 0
        goto main
 delay   movlw 02h
        movwf 0ch
  del1     decfsz 0ch
        
      goto del1
      retlw 0
convert movwf 2
table   retlw 0c0h
        retlw 0f9h
        retlw 0a4h
        retlw 0b0h
        retlw 99h
        retlw 92h
        retlw 82h
        retlw 0f8h
        retlw 80h
        retlw 90h
main  movlw 0ffh
      movwf 6
      movlw 0
      tris  6
  movlw table
   movwf 1f
display   movf 1f,0  ;F1f-->W
   incf 1f,1         ;F1f加1
   call  convert
   movwf 6
   call  delay
   goto display
      end