[A83] Re: NMI

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: NMI
From: "SUCKER [Pieter Van Nuffel]" <sucker_pvn@hotmail.com>
Date: Sun, 31 Mar 2002 11:01:30 +0000
Reply-To: assembly-83@lists.ticalc.org


> > Umm, it turns off?  Nothing spectacular.  At least on the
>86, as long as the
> > checksum is correct, you don't lose your memory.
> >
>Of course it turns off. But how? Normally the TIOS handles
>the "off" state, which is performed with setting some
>values to something else I presume. When you take out the
>batteries while "on", it is like a reset without the normal
>software shutdown process. How does the TIOS overcome the
>problems arising from such an extraordinary event?
>
>Or the "off" state is not indicated in the RAM, only
>through ports?
>
>

There are flags to determine that the calc is on/off.
Like onrunning,(iy+onflags) ,but there are definately
more (undocumented) flags that have something to do with
this.

      SUCKER [Pieter Van Nuffel]


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