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Re: prodos v1.9 basic.system v1.4 needed
- Subject: Re: prodos v1.9 basic.system v1.4 needed
- From: dempson@atlantis.actrix.gen.nz (David Empson)
- Date: 1995/04/01
- Newsgroups: comp.sys.apple2
- Organization: Actrix Information Exchange
- References: <D6An8L.663@freenet.carleton.ca> <3lh4oh$2db@hpindda.cup.hp.com> <3lhg9j$p1r@flood.xnet.com>
- Sender: news@actrix.gen.nz (News Administrator)
In article <3lhg9j$p1r@flood.xnet.com>,
Chris Wicklein <chrisw@flood.xnet.com> wrote:
>
> I think that at least one version of ProDOS that was intended to
> be ][ compatible picked up some 65c02 ops and was rendered a //e+
> version, though it didn't depend on the //e other than for the new ops.
That was ProDOS-8 1.3. They accidentally used a 65C02 instruction in
one place, and it can cause disk corruption if used on a 6502.
ProDOS-8 2.0 and later require a 65C02, and check for it.
All versions of BASIC.SYSTEM will work on a IIe or 64k II+.
--
David Empson
dempson@actrix.gen.nz
Snail mail: P.O. Box 27-103, Wellington, New Zealand