internal关键词用于限定成员变量访问范围(没记错的话,C++太久没看了) " S6 e8 h+ Y- F7 ^. |4 c4 K: yFME-7是一块声音芯片,说明如下:- ?0 d8 w* a& Y) @0 v9 e) S& i7 O2 t
The FME-7 was made by Sunsoft and used as an extension soundchip in Nintendo Famicom / NES Games. It was only used in a single Sunsoft Game (Gimmick!) and is otherwise known as the Mapper 69