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From: jagardner@orchid.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Setting the EGA border?
Message-ID: <11200@orchid.waterloo.edu>
Date: Thu, 15-Oct-87 17:56:53 EDT
Article-I.D.: orchid.11200
Posted: Thu Oct 15 17:56:53 1987
Date-Received: Sat, 17-Oct-87 11:33:26 EDT
References: <3632@b-tech.UUCP> <46500028@uiucuxf>
Reply-To: datanguay@watbun.waterloo.edu (David Tanguay)
Organization: U. of Waterloo, Ontario
Lines: 15

first set
	AH = 10 ;hex
	AL = 1  ;means "set overscan register"
	BH = nn ;colour value to set overscan register to
then do
	int 10H ;BIOS video interrupt

there's also a way in CGA compatible modes that looks like
	AH = 0bH
	BH = 0
	BL = nn
	int 10H
but I've never tried it

David Tanguay