Int 16 Fn FFF5  U - Pc Tools V5.1-8.0 Desktop - Get Screen Attribute Arra  [U]

   AX = FFF5h

Return: ES:BX -> screen attributes data structure (see #0552)
   AL = ??? (v6.0+)

Format of PC Tools DESKTOP attribute data structure:
Offset Size    Description (Table 0552)
 -1    BYTE    attribute for desktop background
 00h   BYTE    attribute for normal characters on desktop menu
 01h   BYTE    attribute for highlighted characters on desktop menu
 02h  5 BYTEs  ???
 07h   BYTE    attribute for dialog boxes
 08h 15 BYTEs  ???
 17h   BYTE    attribute for message boxes