Int 16 Fn FFFC  U - Pc Tools V5.1-8.0 Desktop - Get Hotkeys And Keyboard   [U]

   AX = FFFCh

Return: ES:BX -> hotkey table (see #0554)
   DS:DX = original INT 09 vector

Format of PC Tools DESKTOP hotkey table:
Offset Size    Description (Table 0554)
 00h  2 BYTEs  scancode/shift state for desktop hotkey
 02h  2 BYTEs  scancode/shift state for clipboard paste key
 04h  2 BYTEs  scancode/shift state for clipboard copy key
 06h  2 BYTEs  scancode/shift state for screen autodial key