[Coco] [Color Computer] Re: Coco flash cartridge
    Mark McDougall 
    msmcdoug at iinet.net.au
       
    Wed Sep 26 19:37:02 EDT 2007
    
    
  
Benoit Bleau wrote:
> If memory servers, SCS decodes FF40 and up.  Isn't this the line that is
> used to address the devices in the cartridge?  the 1793 floppy controller,
> 6551 UART for starters?
I believe so, but if you had a ROM-only game cartridge, I suspect there's no 
reason you couldn't ignore SCS# and decode the entire CTS# range for ROM 
reads?!?
Anyway, trivial to implement - done it already. You can selectively 
enable/disable SCS# decode for reads in software.
Regards,
-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"
    
    
More information about the Coco
mailing list