Function 6Fh    Set Video Mode (VEGA Extended EGA/VGA) 

entry   AH      6F 

	AL      05h 

	BL      mode|     (graphics mode if graphics resolution listed) 

		    | text |pixel| graphic|color|disp|scrn| system 

		    | resol|box  |resoltn |     |page|addr| 

		62h               800x600   16              VEGA Extended EGA 

		65h              1024x768   16              VEGA Extended EGA 

		66h               640x400  256              VEGA Extended VGA 

		67h               640x480  256              VEGA Extended VGA 

		68h               720x540  256              VEGA Extended VGA 

		69h               800x600  256              VEGA Extended VGA