INT 62 u - FGDRIVER v3.03 - "FG_PRINT" - DISPLAY STRING OF HARDWARE CHARACTERS
        AX = 007Ch
        CX = length of string
        ES:BX -> string to display
Notes:  For FGDRIVER v1.10, this function was "FG_MOUSEBUT" (see AX=005Eh);
           "FG_PRINT" did not exist yet
        The string is displayed in the current color, and the graphics cursor
          is updated to be just to the right of the last displayed character
        This function is ignored in text modes
SeeAlso: AX=000Ch,AX=002Dh,AX=0052h

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