INT 10 - VIDEO - Compaq Extensions - CHECK WHETHER VIDEO REVERSED               
	AX = BF0Bh
Return: CF clear
	AX = state (0000h normal video, 0001h reverse video)
Note:	supported by at least the QVision board and the LTE Lite ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. 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.
SeeAlso: AX=BF09h,AX=BF0Ah