Date   : Fri, 17 Aug 2007 12:29:39 +0100
From   : itonks@... (Ian Tonks)
Subject: Troubleshooting Techniques

I was wondering if could get away with a poor memory and guess, I had a
50:50 chance.

Clearly not, please read held low whenever I've said held high...

Ian

-----Original Message-----
From: Andrew Benham [mailto:adsb@...] 
Sent: 17 August 2007 12:26
To: Ian Tonks
Cc: bbc-micro@...
Subject: Re: [BBC-Micro] Troubleshooting Techniques

Ian Tonks wrote:

> I was wondering if I'm missing a technique. The problem with the reset
line
> is that there are several devices that can pull it high and I was
wondering
> if there is a method I don't know about to work out which one it is.

Am I missing something here ?  The 6502's RESET pin must be high for the CPU
to run.  It needs a low -> high transition to begin the reset sequence.

-- 
Andrew Benham           adsb@...       
Southgate, London N14, United Kingdom

The gates in my computer are AND OR and NOT, not "Bill".