[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!"
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