A89: Re: Address errors, how to stop them

To: <assembly-89@lists.ticalc.org>
Subject: A89: Re: Address errors, how to stop them
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Thu, 7 Jan 1999 16:16:11 -0700
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-89@lists.ticalc.org




>
>In a message dated 1/6/99 1:40:53 AM Eastern Standard Time,
>olp1726@softhome.net writes:
>
>> >2.never type in undefined variables in the y= editor.  this, too, will
>crash
>>  >your calc, and it is unrecoverable.
>
>does this happen only because of doors, or if l had just reset my calc and
>then graphed an undef var then would it also create an address error?
>
>is there a way that doors can somehow protect the calc with the error
>protection WHILE in TI-OS?  l think the doors guy put in the readme files
that
>TSR's were going to be available soon, or something.

you mean a TSR running with the OS?  That shouldn't be hard, just install a
new interrupt handler that jumps to old handler when it finishes

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