Date   : Sun, 24 Feb 2008 15:29:10 +1100
From   : msmcdoug@... (Mark McDougall)
Subject: BBC FPGA Boots to BASIC... almost...

Jonathan Graham Harston wrote:

> I noticed that versions online had that gap, so recreated it in my
> version at http://mdfs.net/Docs/Comp/BBC/OS1-20

Thanks!

> I wonder if there's runaway interupts and the stack is getting
> full?

Shouldn't be, but I'll confirm...

> You could temporarily replace the VDU code with something like:
       (snip)
> This just pokes the characters into the MODE 7 screen. 

Unfortunately, I don't have Mode 7 available, as I am yet to implement the 
SAA5050. However, it is something I could look at doing next... I did make a 
start on it and then discovered I could force the BBC to boot into Mode 6...

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"