INT 62 u - FGDRIVER v3.03 - "FG_SETMODE" - SELECT VIDEO MODE AND INITIALIZE
        AX = 0093h
        BX = new video mode or FFFFh for current mode
        ES:DX -> WORD ???
Notes:  For FGDRIVER v1.10, this function was "FG_SUSPEND" (see AX=00A0h);
          "FG_SETMODE" was AX=0001h
        This call resets the active video page to page 0000h, the clipping
          region to the entire screen, text rows to 25, etc.
SeeAlso: AX=003Fh,INT 10/AH=00h

Values for video mode:
 00h-07h standard BIOS modes
 09h    PCjr/Tandy1000 320x200x16
 0Bh    Hercules graphics 720x348
 0Ch    Hercules graphics 320x200
 0Dh-13h standard BIOS modes
 14h    VGA graphics 320x200x256
 15h    VGA graphics 320x400x256
 16h    VGA graphics 320x240x256
 17h    VGA graphics 320x480x256
 18h    SVGA graphics 640x400x256
 19h    SVGA graphics 640x480x256
 1Ah    SVGA graphics 800x600x256
 1Bh    SVGA graphics 1024x768x256
 1Ch    SVGA graphics 800x600x16
 1Dh    SVGA graphics 1024x768x16

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