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  Description:  Get Font Information      [EGA] [MCGA] [VGA]
 
  Returns a pointer to the character definition table for a font, and the
  points (bytes per character) and rows for that font.
 
  Input                                 Output
  ═════════════════════════════════     ═════════════════════════════════════
  AH=11H                                CX=points (bytes per character)
  AL=30H                                DL=rows (character rows on screen -1)
  BH=font code                          ES:BP=segment:offset of font table
     00H=current Int 1FH contents
     01H=current Int 43H contents
     02H=ROM 8-by-14 font
         (EGA, VGA only)
     03H=ROM 8-by- 8 font
         (characters 00H-7FH)
     04H=ROM 8-by- 8 font
         (characters 80H-FFH)
     05H=ROM alternate 9-by-14 font
         (EGA, VGA only)
     06H=ROM 8-by-16 font
         (MCGA, VGA only)
     07H=ROM alternate 9-by-16 font
         (VGA only)
                                    -♦-