This returns the monitor type configered in
This function is really obsolete, as the result is of not much use to the application
do already check the monitor type and there are more flexible ways to specify it too.
The return value is one of:
31.5 KHz (standard VGA): does 640x480 in 60Hz vsync.
35.1 KHz (old SVGA): does 800x600 in 56Hz vsync.
35.5 KHz (low-end SVGA, 8514): does 1024x768 in 43Hz vsync interlaced.
37.9 KHz (SVGA): does 800x600 in 60Hz vsync.
48.3 KHz (SVGA non-interlaced): does 1024x768 in 60Hz vsync, non-interlaced.
56.0 KHz (SVGA high frequency): does 1024x768 in 70Hz vsync.