Date   : Thu, 30 Jun 2005 10:55:53 +0100
From   : Andrew Benham <adsb@...>
Subject: Re: Sprow- 'tricking' the MOS on a Master 128

Raf wrote:

> Is it possible to simulate a write situation to location &9881 in ROM 
> 15, say using the ROM Polling Semaphore?
> 
> I wonder if we can get to get the MOS to think that it is holding
> &20 there (as BCD) rather than &19. I am hoping that this may
> change the century on the Master's clock from 19-- to 20 --

My solution to this problem is detailed at:

http://www.adsb.co.uk/bbc/bbc_master.html

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

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