A89: Re: Re: AMS >=2.04 protection
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A89: Re: Re: AMS >=2.04 protection
Is this just on an HW2 89? I tried it on my HW2 92+ and haven't had any
problems running TI-Chess more than once.
----- Original Message -----
From: Zeljko Juric <zjuric@utic.net.ba>
To: <assembly-89@lists.ticalc.org>
Sent: Tuesday, September 26, 2000 7:12 AM
Subject: A89: Re: AMS >=2.04 protection
>
> Hi Johan!
>
> > Could someone give me a nice explaination on WHAT, HOW and WHY
> > this protection is? I have a HW1 with AMS 2.05 and I can run
> > TIChess v3.01 many times without archiving it. It seems to work
> > just fine... Have I missed something?!?
>
> You didn't notice anything strange because your calc is HW1. HW1
> have not built-in hardware protection device, so HW1 calcs are
> mostly protection-free (it is not possible to make a reliable
> protection for HW1 calcs). As HW2 has one shitty protection device,
> it can be programmed to make a lot of bad things. What is new in
> AMS 2.04 and AMS 2.05 is impossibility to launch any program which
> is longer than 24K (on HW2 calcs) more than once, except if the
> program is archived (else, an ugly "HW2 black bar" will appear).
>
> I will send to you a private mail in which I will describe in more
> details what is going on. Sorry, I don't want to discuss anything
> about protections on the mailing list. If anybody is interested
> in details, he/she can mail to me, and I will explain this, but only
> if he/she knows details about former protections (else, he/she will
> not understand anything).
>
> > (Of course I had to write my own "run stub" because ticstart()
> > refuses to run the program if it isn't archived... grrr... I
> > *wanted* to see the bug in action...)
>
> This is not a bug: this is a planed shit. Buy HW2 if you want to see
> this in action. I don't want to see this any more (I had about 200
> crashes with borrowed HW2 because I suceeded to solve this).
>
> Zeljko
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