Format of MS-DOS 7.x ??? kernel data:
Offset	Size	Description	)
 00h	WORD	structure revision??? (0001h)
 02h	DWORD	-> ??? function (call with DS=high word of this field)
		the indicated function vectors through the INT 13 hook at
		  0070h:00B4h and then forces the A20 gate open
 06h	DWORD	-> ??? function
 0Ah	WORD	DOS DS
 0Ch  8 BYTEs	zeros seen
 14h	DWORD	-> ??? data
 18h	DWORD	-> ??? data
	???