CP/M coding question

From: Christopher Smith <csmith_at_amdocs.com>
Date: Tue May 28 17:07:01 2002

> -----Original Message-----
> From: Pat Finnegan [mailto:pat_at_purdueriots.com]

> where the CCP is
> so I don't overwrite it.

I don't know. If it's generally in a "normal" place, you could
just find the size of CCP, and add that to the address. I don't
think that would work, though, :)

> Alternatively, would it be a better idea to write something
> that loads its
> own replacement CCP under it, and overloads the old CCP just under the
> BDOS? I would probably need to intercept the 'JMP WBOOT' and

This is what I was about to suggest. This way you could know exactly
where, and how large, it is.

Chris


Christopher Smith, Perl Developer
Amdocs - Champaign, IL

/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
 
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Received on Tue May 28 2002 - 17:07:01 BST