INT 16 U - PCIBM PC Tools v5.1-8.0 DESKTOP - GET SCREEN ATTRIBUTE ARRAY
	AX = FFF5h
Return: ES:BX -> screen attributes data structure (see #00628)
	AL = ??? (v6.0+)


Format of PCIBM PC Tools DESKTOP attribute data structure:
Offset	Size	Description	(Table 00628)
 -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