INT 10 - VIDEO - UltraVision - GET PALETTE LOCKING STATUS (color EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors.,VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.)
	AX = CD03h
Return: CL = palette locking value
	    00h none
	    01h text modes only
	    FFh all modes
SeeAlso: AX=CD01h