INT 10 - SOLLEX SuperVGA - FILL VIDEO RAM

	AX = 7F07h
	BL = how much to fill
	   00h regen size
	   01h all video memory
	CX = pattern to write (normally 0720h for text modes and 0000h for gr)
Return: AL <> 7Fh if not supported
	AL = 7Fh if supported
	    AH = status
		00h successful
		01h failed
SeeAlso: AH=06h