org 0000h
ajmp start
org 0200h
start:mov r0,#8
mov a,#feh
loop:mov p1,a
acall delay
rl a
djnz r0,loop
ajmp start
delay:
mov r1,#100
l1:mov r2,#100
l2:mov r3,#248
l3:djna r3,l3
djnz r2,l2
djnz r1,l1
ret
end
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