Re: A86: VAT size


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Re: A86: VAT size




See inside.

----- Original Message -----
From: Cassady Roop <croop@oregontrail.net>
To: <assembly-86@lists.ticalc.org>
Sent: Sunday, January 23, 2000 1:16 PM
Subject: Re: A86: VAT size


> And what is the purpose of that?

Simple, it clears out all the pointers, which effectively clears the memory.

> What I mean is, if there is no 'counter' to tell the calc how many VAT
> entries there are, then aren't those two pointers the only things that
> tell the calc how long the VAT is?  So, if I were to find out what the
> pointer values are at initial power-up, and then change the pointers to
> those values when I have a VAT with a bunch of stuff in it, then the
> calc will only see what it sees when the VAT is at initial conditions,
> even though the info is still there.  Basically I guess I'm saying is:
> By changing those pointers can I manually change the border of the VAT,
> so that it appears to be empty even though there is still data in it;
> the data is just beyond the new VAT border...

Yes, except that the existing VAT pointer will be overwritten. If you're
trying to do what I think you're trying to do, use the new version of chmasc
I just posted =)




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