41     mov dx, word ptr [Port]  in IoRead8()
42     in  al, dx  in IoRead8()
73     mov dx, word ptr [Port]  in IoWrite8()
74     out dx, al  in IoWrite8()
105     mov dx, word ptr [Port]  in IoRead16()
106     in  ax, dx  in IoRead16()
140     mov dx, word ptr [Port]  in IoWrite16()
141     out dx, ax  in IoWrite16()
173     mov dx, word ptr [Port]  in IoRead32()
174     in  eax, dx  in IoRead32()
208     mov dx, word ptr [Port]  in IoWrite32()
209     out dx, eax  in IoWrite32()