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Functions RTOut, RTOutW, RTOutD

These functions write a byte, word, or dword value to an I/O port:

void RTOut (unsigned int addr, BYTE  val); 
void RTOutW(unsigned int addr, WORD  val); 
void RTOutD(unsigned int addr, DWORD val);

Parameters

addr

The I/O port to write to.

val

The value to write to port addr.

Functions RTIn, RTInW, RTInD