Article View: comp.sys.atari.st
Article #7020Re: Help Needed with Atari H/W interfacing.
From: Andy Webber
Date: Mon, 15 Jan 1990 13:12
Date: Mon, 15 Jan 1990 13:12
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In article <2706@gos.ukc.ac.uk> shc1@ukc.ac.uk (S.H.Cogheil) writes: >My problem lies in the fact that the cartridge port has no R/W line, >and that the GLUE chip does not allow you to write to ROM space anyway. >(Hence I cannot use the Rom3/Rom4 lines as dummy R/W lines) The method I have seen used (e.g. in ST Replay) involved weird usage of the READ from cartridge port. I will see if I can find any more details in the mean time consider that a hint! >Yours (a little bit more that truly) Sam. Andy.
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!harrier.ukc.ac.uk!falcon.ukc.ac.uk!adwReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!harrier.ukc.ac.uk!falcon.ukc.ac.uk!adw From: adw@ukc.ac.uk (Andy Webber) Newsgroups: comp.sys.atari.st,ukc.micro Subject: Re: Help Needed with Atari H/W interfacing. Message-ID: <3427@falcon.ukc.ac.uk> Date: 15 Jan 90 13:12:09 GMT References: <2706@gos.ukc.ac.uk> Reply-To: adw@ukc.ac.uk (Andy Webber) Organization: Computing Lab, University of Kent at Canterbury, UK. Lines: 12