INT 10 - VESA SuperVGA BIOS v2.0+ - GET/SET PALETTE ENTRIES

	AX = 4F09h
	BL = subfunction
	    00h set (primary) palette
	    01h get (primary) palette
	    02h set secondary palette data
	    03h get secondary palette data
	    80h set palette during vertical retrace
	CX = number of entries to change
	DX = starting palette index
	ES:DI -> palette buffer, array of DAC entries (see #00086)
Return: AL = 4Fh if function supported
	AH = status
	    00h successful
	    01h failed
SeeAlso: AX=4F0Ah,AX=D000h"S3VBE"