🚀 go-pugleaf

In article <KW.D6XG.260888@SALF.D> 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

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