INT 10 - VIDEO - PERFORM GRAY-SCALE SUMMING (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 = 101Bh
	BX = starting palette register
	CX = number of registers to convert
Return: nothing
Desc:	convert the RGB(Red-Green-Blue) The color specification mechanism normally used in computer displays, where colors are separated into their primary-color components.  See also YUV. values of one or more palette registers such that the
	  resulting values are grays with the same intensities as the original
	  colors
SeeAlso: AH=12h/BL=33h