INT 14 - DimVGA v2.1+ - SET HOTKEY                                              
	AX = AA0Bh
	BH = shift state (see #00396)
	BL = keyboard scancode
Return: AX = FFFFh
SeeAlso: AX=AA01h,AX=AA0Ch
Index:	screen saver;DimVGA


Bitfields for DimVGA hotkey shift state:
Bit(s)	Description	(Table 00396)
 7-4	unused
 3	Alt key pressed
 2	Ctrl key pressed
 1	Left shift key pressed
 0	Right shift key pressed