INT 15 - HP OmniShare - Pen Driver - REPORT PEN CONTROL AREA EVENT              
	AX = BA10h
	BL = event
	   00h the pen left control areas
	   01h the pen entered the Brightness- area
	   02h the pen entered the Brightness+ area
	   03h the pen entered the Contrast- area
	   04h the pen entered the Contrast+ area
Return: CF clear if successfully processed
	CF set on error (function not supported, ie. not an OmniShare BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.)
Note:	The pen driver is responsible for detecting when the pen enters and
	  leaves control areas of the OmniShare tablet, and notifying the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly..
	The BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. manages the events, including the autorepetition, and sets
	  the status LEDs.
SeeAlso: AX=BA20h,AX=BA13h