📄 a1.asm
字号:
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
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