INT 62 u - FGDRIVER v3.03 - "FG_PAINT" - FLOOD CLOSED REGION WITH COLOR
        AX = 006Eh
        BX = column
        CX = row
Notes:  For FGDRIVER v1.10, this function was "FG_GETKEY" (see AX=003Ah);
           "FG_PAINT" was AX=002Fh
        This function fills an arbitrary closed region around the specified
          point with the current color; the screen edges are not considered
          region boundaries
        This call is ignored in text modes
SeeAlso: AX=002Bh

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