INT 10 - VIDEO - SELECT VIDEO DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number.  VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. COLOR PAGE (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 = 1013h
	BL = subfunction
	    00h select paging mode
		BH = 00h select 4 blocks of 64
		BH = 01h select 16 blocks of 16
	    01h select page
		BH = page number (00h to 03h) or (00h to 0Fh)
Return: nothing
Note:	this function is not valid in mode 13h
SeeAlso: AX=101Ah