标题: LED流水灯汇编51单片机 [打印本页]

作者: 地狱之狐火    时间: 2021-1-1 14:59
标题: LED流水灯汇编51单片机
ORG 0000H
sjmp Main

Main:
Mov P2,0FEH;
DL:
ACALL Delay;
Mov A,P2
RL A
Mov P2,A
Sjmp DL

Delay: Mov R1,#20
DL2:Mov R2,#50
DL3:Mov R3,#225
DL1:DJNZ R3,DL1
    DJNZ R2,DL3
        DJNZ R1,DL2
        RET
End







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