主要是鼠标，当鼠标产生中断时，主板上的蜂鸣器和运行灯。
When mouse generates an interruption, alarm and light will have response.
您必须通知(通过一个不会产生中断的方法)调用程序，一个邮件地址将要丢失。
You might let your calling program know (through a non-interruptive approach) that an E-mail address might be missing.
定时器记数溢出后，产生中断，将P 1.0借口取反即得周期方波。
Hutchison few overflow timer, interrupt, will take anti-P1.0 pretext that a square wave cycle.
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