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丙丙
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樓主  發(fā)表于: 2009-02-10 07:23
近來(lái)一段時(shí)間,在學(xué)習中斷程式的時(shí)候,不是有三個(gè)指令充許中斷和禁止中斷和中斷反回嗎,我在想如果要用到中斷的話(huà)就有用充許中斷的中斷反回這兩個(gè)指令就好的,如果是要使用禁止中斷的話(huà).我不使用這個(gè)指令寫(xiě)程序不就行了,請問(wèn)這個(gè)禁止中斷在這里面到底有什么用,或者說(shuō)是怎么具體使用的.謝謝!!!
aiin1
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1樓  發(fā)表于: 2009-02-17 13:03
學(xué)習中，謝謝！

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