1.Դ?源码分级管理系统源码?10H
Դ??10H
mov R1,#hmov R2.#h
mov R3,#h
loop1:
mov a,@R1
rlc a
jnc loop2
mov a,@R1
cpl a
inc a
loop2
mov @R3,a
inc R1
inc R3
djnz R2, loop1
还不明白的采纳后给你解释;
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