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本帖最后由 zhdefa 于 2017-10-20 21:30 编辑
汇编语言程序怎么样在Keil C51调试编辑?
LED 流水灯程序之一汇编源程序
ORG 00h
start:
mov A,#01H
mov R2,#09H
loop: RRC A
mov P0,A
call DELAY
DJNZ R2,LOOP
mov R2,#07H
loop1: RLC A
mov P0,A
CALL delay
djnz R2,loop1
mov R2,#07H
ljmp loop
delay: mov r3,#80
D1: mov r4,#80
D2: mov r5,#40
djnz R5,$
djnz r4, D2
djnz r3, D1
RET
END
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