[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Apple IIe + ProDOS = Headache

Subject: Re: Apple IIe + ProDOS = Headache
From: Jeff Blakeney <CUTjblakeney@sympatico.ca>
Date: Fri, 25 Jun 2004 16:52:09 -0400
Newsgroups: comp.sys.apple2
Organization: Bell Sympatico
References: <Ko1Cc.76782$Hg2.15714@attbi_s04> <20040623185959287+1200@News.Individual.NET> <avrmd0565p2ot8f011ni2s0m87asft7rf0@4ax.com> <40db968f$1@news.uow.edu.au>
Xref: g2news1.google.com comp.sys.apple2:1400

On 25 Jun 2004 13:05:51 +1000, David Wilson <david@uow.edu.au> wrote:

>No, P8 v1.3 works fine on an Apple II with 65C02 CPU. If you run it on
>an unenhanced IIe or a II or II+ with a 6502 CPU and that bad instruction
>is executed the 6502 will NOT branch like the code expects but will instead
>fall through into disk writing code and overwrite data on your diskette.

Ewww, ick.  I don't think I even have a copy of ProDOS v1.3 and I
didn't get an enhanced IIe until after I had a IIgs so I guess I never
learned that tidbit properly because it never affect me.  Thanks for
the description of the bug.

-- 
 Jeff Blakeney - Dean of the Apple II University in the
                 Apple II Community on Syndicomm.com
 CUT the obvious from my address if you want to e-mail me

Follow-Ups:
- Re: Apple IIe + ProDOS = Headache
  - From: David Wilson <david@uow.edu.au>

References:
- Apple IIe + ProDOS = Headache
  - From: "Josiah" <com.yahoo@chibivash81>
- Re: Apple IIe + ProDOS = Headache
  - From: Roger Johnstone <rojaws@orcon.net.nz>
- Re: Apple IIe + ProDOS = Headache
  - From: Jeff Blakeney <CUTjblakeney@sympatico.ca>
- Re: Apple IIe + ProDOS = Headache
  - From: David Wilson <david@uow.edu.au>

Prev by Date: Re: Apple IIe + ProDOS = Headache
Next by Date: KansasFest 2004
Previous by thread: Re: ProDOS 1.3 bug (was: Re: Apple IIe + ProDOS = Headache)
Next by thread: Re: Apple IIe + ProDOS = Headache
Index(es):
- Date
- Thread