Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!topaz!ll-xn!mit-amt!mit-eddie!genrad!decvax!cwruecmp!bammi From: bammi@cwruecmp.UUCP (Jwahar R. Bammi) Newsgroups: net.micro.atari16 Subject: Re: problems with programs Message-ID: <1511@cwruecmp.UUCP> Date: Sat, 21-Jun-86 17:54:41 EDT Article-I.D.: cwruecmp.1511 Posted: Sat Jun 21 17:54:41 1986 Date-Received: Mon, 23-Jun-86 03:47:37 EDT References: <860616-081851-1400@Xerox> <7@uwmacc.UUCP> Organization: CWRU Dept. Computer Eng., Cleveland, OH Lines: 26 > > I am trying to do some things with the BIOS and XBIOS using an assembler. > Specifically, I am trying to monkey around with the screen resolution and > physical/logical screen addressing. > > As far as I can tell, I am doing nothing wrong - yet the program results > in a double bomb and hangs the system. I have GEMDOS in ROM --- could the > above explanation be the culprit? (I'll try booting with GEMDOS in RAM > and see if I get the same error.) If this is the culprit, it bites the > big one...anyone know any way around it? > > > -- > --- Rob DeMillo > Madison Academic Computer Center > ...seismo!uwvax!uwmacc!demillo Sounds like you are not in Super Mode before trying the operations. See Supexec (xbios(38)) or Super (gemdos(20)). Hope that helps. -- Jwahar R. Bammi Usenet: .....!decvax!cwruecmp!bammi CSnet: bammi@case Arpa: bammi%case@csnet-relay CompuServe: 71515,155