INT 10 - SOLLEX SuperVGA - LOAD REGISTER
        AX = 7F05h
        ES:DI -> register value table (see below)
Return: AL != 7Fh if not supported
        AL = 7Fh if supported
            AH = status
                00h successful
                01h failed
SeeAlso: AH=F3h,AH=F5h

Format of register value table:
Offset  Size    Description
 00h    WORD    base I/O register (FFFFh = end of list)
 02h 2N BYTEs   pairs of values to be written to the base I/O register as an
                index value and the following register as a data byte
 2N+2   WORD    FFFFh (end of data list)
        ... (repeats until FFFFh base address)