Int 62 Fn 0046  u - Fgdriver V4.02 - "fg_getkey" - Get Next Keystroke      [V]

   AX = 0046h
   ES:BX -> variable pointer record (see #3156)

Return: (after next keystroke if no typeahead) variables updated

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=000Ah,AX=0063h,AX=0069h,AX=00DEh,INT 16/AH=00h

Format of FGDRIVER GETKEY variable pointer record:
Offset Size    Description (Table 3156)
 00h   WORD    segment of BYTE buffer for ASCII keycode
 02h   WORD    offset of BYTE buffer for ASCII keycode
 04h   WORD    segment of BYTE buffer for extended keycode
 06h   WORD    offset of BYTE buffer for extended keycode