Format of DR DOS COUNTRY.SYS file:
Offset	Size	Description	)
 00h 126 BYTEs	copyright notice (terminated with Ctrl-Z, padded with NULs)
 7Eh	WORD	signature EDC1h
 80h	var	country pointer records
	Offset	Size	Description
	 00h	WORD	country code (0000h if end of array)
	 02h	WORD	code page (see #01757 at INT 21/AX=6602h)
	 04h	WORD	??? (0000h)
	 06h  7 WORDs	offsets in file for data tables for subfunctions
			  01h-07h
 var	var	country information