Category: non-traditional input devices
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)
Note: The pen driver is responsible for detecting when the pen enters and
leaves control areas of the OmniShare tablet, and notifying the BIOS.
The BIOS manages the events, including the autorepetition, and sets
the status LEDs.