Date   : Thu, 05 May 2005 18:01:25 +0100
From   : Richard_Talbot-Watkins@...
Subject: Re: Chuckie Egg - better patch (and some mysteries

Peter Edwards wrote:

> Hmm ... I could do with supplying a poke for ppl to identify the
> current version (in case someone finds a file marked ce.ssd for
> example).  I think I found the test in your listing, however I
> don't know which way round its testing:
>
> IF !&49AB=&202AD720
>   PRINT "THIS IS STH";
> ELSE
>   PRINT "THIS IS TOSEC";

*LOAD CH_EGG
PRINT ~!&29AB

The values printed are:

STH: 202AD720
TOSEC: 202ACD20

(it was testing !&49AB in the loader because the executable is loaded to a
higher address in memory)

[new code]
> I'm quite intrigued by this ... how do you know its the newer one?
> Cos it has more code?  Any ideas what the new code actually
> does?

Can't be sure it's newer... it may even just be the difference between a
tape and disc release..?  The new code is hardly anything - there's only a
discrepancy of about 10 bytes - but is probably an official version as all
the routine addresses have changed, suggesting the source code has been
re-assembled.  I noticed an extra bit of code which clears the Escape flag
- pretty minor stuff really.  I haven't looked to see what else is added.

> Many thanks for the perseverence, Rich ... from what I've seen of your
patch
> it looks cool and can't wait to have a proper play with it later ... :)

No worries!

Rich


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