INT 10 U - VIDEO - SET PEL MASK (VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers./MCGAMulti-Color Graphics Array(Multi-Color Graphics Array) The low-end color adapter offered in IBMInternational Busiuness Machines's early PS/2IBM PS/2, any model series machines.)
	AX = 1018h
	BL = new PEL value
Return: nothing
SeeAlso: AX=1019h