Re: A86: Re: stop


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Re: A86: Re: stop




Dux Gregis wrote:

> Klukan wrote:
> > Can you send me some sample code on how to use all this to lock and
> > unlock the memory?
>
> Put your code in [sqrt]KEY and set the flag to lock it, reset the flag
> to
> unlock it.The code shold start with a call to $479f (?).  Then check
> for
> calc states and use ret if you want the state to be inactive or under
> special conditions.  (I think that $479f sets up the calc to skip over
>
> certain OS behaviors).
> This isn't exactly right.  But it's probably on the right track.  I'll
>
> work on it. ;-)

Ok.  Let me know what you turn up.

> With the [sqrt]PARSE it seems like calc functions can be disabled.
> For
> added memory protection, Rascall (or your shell) should disable
> "Delvar(",
> so as to prevent the deletion of all varaibles, especially TI-85
> strings.

Do I just look for the call to "Delvar("?

> > I'm guessing that I set the flags and make the
> > call.
>
> No, set the flag and it's like an interrupt.

So I create the program, starting with the call to $479f, and set the
flags...right?

> > How are the (sqrt)KEY and similar programs created?
>
> using _CREATEPROGlook at the include files

Allright.

> > Also, does
> > anyone have info on _CXCURAPP?  Thanks.

Thanks.

-Jeremy


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