directiolib.h

可以直接操作PC机的IO口

extern "C" int PASCAL EXPORT openDirectIO(HWND hl);
extern "C" unsigned char PASCAL EXPORT inportbyte(unsigned short port);
extern "C" unsigned short PASCAL EXPORT inportword(unsigned short port);
extern "C" unsigned long PASCAL EXPORT inportdword(unsigned short port);
extern "C" void PASCAL EXPORT outportbyte(unsigned short port,unsigned char data);
extern "C" void PASCAL EXPORT outportword(unsigned short port,unsigned short data);
extern "C" void PASCAL EXPORT outportdword(unsigned short port,unsigned long data);
extern "C" int PASCAL EXPORT unInstallDirectIO(void);
extern "C" int PASCAL EXPORT getWinOS();