a1.asm

单片机实验：彩灯控制

       org 0000h
       ajmp start
       org 0100h
start: mov dptr,#TABLE
loop:  clr A
       movc A,@A+dptr
       cjne A,#00,loop1
       jmp start
loop1: mov p1,A
       mov R3,#25
       call delay
       inc dptr
       jmp loop
delay: mov R4,#20
  D1:  mov R5,#248
       djnz R4,D1
       djnz R3,delay
       ret
TABLE:  DB 80h,40h,20h,10h,08h,04h,02h,01h
        DB 0d0h,60h,30h,18h,0dh,06h,03h,81h
        DB 81h,42h,24h,18h,18h,24h,42h,81h
        DB 00h
        end