[Coco] Cartridge memory - mapping in and out

[Mike Pepe]

Mark McDougall wrote:

> I need to actually address the *real* cartridge at $C000, because I need 
> to write to the flash chip on the board. Is there any reason why POKE 
> 65502,0 (switch to ROM mode) isn't sufficient to do this? It would 
> appear I can at least read the cartridge contents from $C000 using this 
> POKE...
> 
> Regards,
> 

Hey, keep in mind that unless you're doing your own complete address 
decoding, the cart rom enable line is only active during a read cycle.