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#2
zhulei19782008-01-16 20:55
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汇编中定时器中断号是8h是外中断,是系统自动产生中断啊,还是由外部设备产生中断啊,比如9h中断是由键盘产生的,不按键盘就不会产生9h中断???????????
2 回复
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#3
longxies2008-01-17 09:14
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1