INT 62 u - FGDRIVER v1.10 - "FG_SETMODE" - SELECT VIDEO MODE AND INITIALIZE
        AX = 0001h
        BX = new video mode or FFFFh for current mode
        ES:DX -> ???
Notes:  video modes are the same as the BIOS video modes except for
                0Bh Hercules graphics 720x348
                0Ch Hercules graphics 320x200
                15h VGA graphics 320x400x256
                16h VGA graphics 320x240x256
                17h VGA graphics 320x480x256
        this call resets the active video page to page 0000h, the clipping
          region to the entire screen, text rows to 25, etc.
SeeAlso: AX=0002h,INT 10/AH=00h