Format of CiriSOFT vector_area table:
Offset	Size	Description	)
 -1	BYTE	number of vectors intercepted by TSR
 00h	BYTE	first vector number
 01h	DWORD	first vector pointer before installing the TSR
 05h	BYTE	second vector number
 06h	DWORD	second vector pointer before installing the TSR
 0Ah	...	(and so on)
Note:	the TSR must use these variables to invoke the previous interrupt
	  handler routines
SeeAlso: #02588