Re: VIC 20 web server - update

From: Marko Mäkelä (
Date: 2004-02-07 17:00:04

On Sat, Feb 07, 2004 at 01:07:44PM +0000, Davison, Lee wrote:
> The software works under WinVice, at least as far as you'd
> expect, but on my Vic the damn machine keeps falling over
> if I enable the RESTORE key interrupt (which I want for test
> purposes). Is this a known problem? I think I'm overflowing
> the stack due to multiple NMIs (from a possibly flakey RESTORE
> key) but am just guessing at this stage.

There is no debouncing logic on the Vic-20 RESTORE key.  In fact,
you can even crash the KERNAL by repeatedly pressing the RESTORE
key, or holding it near the position where it starts conducting.

> Next project I think will be a logic analyser. 8^)=

That'd be very interesting.


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