ni.asm

来自「40个练习程序（坚持）.rar」· 汇编 代码 · 共 28 行

org 00h
ajmp main
org 0030h
main:
mov r7,#02
mov r6,#03
mov r5,#15
mov a,#0feh
zhujian:mov p1,a
lcall delay
rl a
djnz r5,zhujian
jianduan:mov p1,#00h
lcall delay
mov p1,#0ffh
lcall delay
djnz r6,jianduan
ljmp main
delay:
mov r4,#100
d1:mov r3,#20
d2:mov r2,#248
djnz r2,$
djnz r3,d2
djnz r4,d1
ret
end