Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!killer!jolnet!rich From: rich@jolnet.ORPK.IL.US (Rich Andrews) Newsgroups: comp.sys.atari.st Subject: Re: To fix or not to fix. Message-ID: <731@jolnet.ORPK.IL.US> Date: 27 Aug 88 02:14:14 GMT References: Reply-To: rich@jolnet.ORPK.IL.US (Rich Andrews) Organization: jolnet, Public Access UNIX, Joliet, IL Lines: 22 In article KEITH@SYSD.SALFORD.AC.UK (Keith Wolstenholme) writes: > >Atari already went down this route once, when the XLs were introduced >they weren't 100% compatible with the older machines but they did have >RAM located "underneath" the OS ROMS. Various translator disks were >produced that turned off the OS in ROM and loaded the older OS into >RAM. > The XL operating systems WERE 100% (or nearly so) compatable with the old OS in the Atari 800/400's. It was the illegal system calls written in by the "Software Engineers" at various companies that caused all the grief. And what about those cases where you absolutely had to make an illegal system call? There is a quasi-legal way to do it. Check the sources for the XEP-80. If you need more info I can state case after case where the authors of some well known pieces of software have made illegal calls to the OS. rich andrews -- Any opinions expressed are my own. Now, for a limited time, they can be yours too, for the incredible price of only $19.95. Simply send $19.95 (in Alterian dollars) to ...killer!jolnet!rich or rich@jolnet.orpk.il.us.