INT 62 u - FGDRIVER v3.03 - "FG_FILLPAGE" - FILL THE ACTIVE VIDEO PAGE
        AX = 0029h
Desc:   fill the active video page with pixels of the current color (graphics
          modes) or the block character DBh with the current character
          attributes (text modes)
Note:   For FGDRIVER v1.10, this function was "FG_SETCLIP" (see AX=008Ch);
          "FG_FILLPAGE" did not exist yet
SeeAlso: AX=0026h,AX=0027h,AX=0028h

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