Int 62 Fn 008A  u - Fgdriver V4.02 - "fg_pcxhead" - Get Pcx File Header    [V]

   AX = 008Ah
   ES:BX -> variable pointer record (see #3164)

Return: AX = status
       0000h successful
       FFFEh not a PCX file
       FFFFh file does not exist

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

See Also: AX=008Bh,AX=00B9h

Format of FGDRIVER PCXHEAD variable pointer record:
Offset Size    Description (Table 3164)
 00h   WORD    segment of ASCIZ filename
 02h   WORD    offset of ASCIZ filename
 04h   WORD    segment of 128-byte buffer for PCX header
 06h   WORD    offset of 128-byte buffer for PCX header