Int 2F Fn AFDE  - Disk-emu - Installation Check / Get Version              [d]

   AX = AFDEh
   ES:DI -> 14-byte buffer for data (see #2663)

Return: AX = CFDEh (Carlos Fernandez Disk-Emu) if installed
       BX = version (BH = major, BL = minor)

Format of Disk-Emu information data:
Offset Size    Description (Table 2663)
 00h   BYTE    number of tracks
 01h   BYTE    sectors per track
 02h   WORD    bytes per sector
 04h   BYTE    number of heads
 05h   BYTE    flag: 00h inactive, 01h active
 06h   BYTE    write protection (00h none, 01h full, 02h pseudo)
 07h   BYTE    saved (00h some unsaved data, 01h all data saved)
 08h   BYTE    disk in memory (00h no, 01h yes)
 09h   WORD    EMS handle
 0Bh   WORD    XMS handle
 0Dh   BYTE    memory type used for disk (00h XMS, 01h EMS)