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汇编语言中延时子程序的问题

2025-04-01 16:02:05

推荐回答（2个）

回答1：

8086汇编语言利用时钟中断精确些的延时的精度只能达到1/18.2秒。比这个还要高的要求只能利用指令执行的时钟周期数来设计了，这样编制的延时程序和cpu的频率紧密相关，要编制通用些的，只能在程序中先进行检测，依据检测结果自动调整延时程序中的参数。

回答2：

DELAY:
MOV R2,#3
DJNZ R2,$
NOP
RET

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