▲小米“龙虾”miclaw，图源：陈抱一
In the NXT Communication Protocol document, IO-Maps are described as "the well-described layer between the different controllers/drivers stack and the VM running the user's code." That sounds potentially interesting if it allows access to drivers in ways which aren't normally allowed. Also, if this is an interface which isn't normally used, it is a potential location for unexpected and exploitable bugs.
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Марина Совина (ночной редактор)，更多细节参见手游
石头科技AWE展出三大品类全系新品，推荐阅读华体会官网获取更多信息