Re: Changes/fixes to OS

Article View: comp.sys.atari.st

Article #30842

#30842

From: Allan Pratt
Date: Wed, 24 Feb 1988 21:48

17 lines
1115 bytes

in article <4516@garfield.UUCP>, avp@garfield.UUCP (Anthony Paul) says:
> 
> Ok, here are the much sought after (by me anyway) addresses for the
> mouse on the Mega.

PLEASE DON'T USE THESE ADDRESSES! The offsets from the line-A variable
base (negative offsets for the mouse info) are CONSTANT, but the
ABSOLUTE addresses are not!

It is impossible to estimate the damage done to version-independent
programming by Apple and Atari when they published the "magic peeks and
pokes" of their systems.  Remember when an OS call on an Apple ][
consisted of a branch into ROM? The effects linger on... 

============================================
Opinions expressed above do not necessarily	-- Allan Pratt, Atari Corp.
reflect those of Atari Corp. or anyone else.	  ...ames!atari!apratt

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Message-ID: <993@atari.UUCP>

Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!portal!atari!apratt

References: <4516@garfield.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!portal!atari!apratt
From: apratt@atari.UUCP (Allan Pratt)
Newsgroups: comp.sys.atari.st
Subject: Re: Changes/fixes to OS
Message-ID: <993@atari.UUCP>
Date: 24 Feb 88 21:48:37 GMT
References: <4516@garfield.UUCP>
Distribution: na
Organization: Atari Corp., Sunnyvale CA
Lines: 17

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