Bitfields for new executable program flags:
Bit(s)	Description	)
 0-1	DGROUP type
	  0 = none
	  1 = single shared
	  2 = multiple (unshared)
	  3 = (null)
 2	global initialization
 3	protected mode only
 4	8086 instructions
 5	80286 instructions
 6	80386 instructions
 7	80x87 instructions