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505311849
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樓主  發(fā)表于: 2017-08-20 22:15
請教大神，文件寄存器R和ZR都有斷電保持的功能，但是不太明白兩種寄存器的區別和用法，是一樣的嗎？有什么區別？
csadolph
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1樓  發(fā)表于: 2017-08-21 09:32
都是文件寄存器， R不夠用了用ZR 屬于擴展出來(lái)的。 前幾天我也剛問(wèn)了大佬，如是回答。

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