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Re: $0802 Break, Help
- Subject: Re: $0802 Break, Help
- From: apple2@cgocable.net
- Date: 1999/05/07
- Newsgroups: comp.sys.apple2
- Organization: http://www.remarq.com: The World's Usenet/Discussions Start Here
- References: <cO_X2.2695$4S.1776425@WReNphoon3>
>When starting a 5.25" disk, it loads the first
>sector (Trk0, sector0) into $0800. then jumps to
>it to beginning the boot-up process. It appears to
>me that the boot sector contains a OO at the first
>byte value that caused a BRK to execute and stop
>the computer. I'd suggest you load the operating
>system (ProDOS?) from another disk as you boot
>sector is probably damaged.
Actually, even though it loads at $0800, it starts execution at $0801. Some
Apple manuals incorrectly say it starts where it loads. In either case, the
computer must be working in order to get up to this point. The only thing
wrong is that it's getting an invalid block off the disk on boot-up.
-- Ter
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