Format of RM386 V86-mode table:
Offset	Size	Description	)
 00h	DWORD	original INT 13 vector
 04h	DWORD	original INT 15 vector
 08h	DWORD	original INT 19 vector
 0Ch	DWORD	original INT 21 vector
 10h	DWORD	original INT 4B vector
 14h	DWORD	original INT 67 vector