rier" size="-1">#define SEGMENT_REGISTER_INDEX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x09</font>

<p><img src="../../../../Images/sp.gif" width=124 height=1><font face="Courier" size="-1">- (void)setReadSegment: (unsigned char)segmentNum</font><br>
<img src="../../../../Images/sp.gif" width=124 height=1><font face="Courier" size="-1">{</font><br>
<img src="../../../../Images/sp.gif" width=152 height=1><font face="Courier" size="-1">IOWriteRegister(GRAPHICS_CONTR