[Coco] 512K AND Beyond??? How FAR Beyond???

[RETRO Innovations]

On 12/27/2017 12:55 PM, Richard Cavell wrote:
>     Hi everyone. I just want to offer my two cents.
>
>     Would it be possible to set aside a few bytes of the address space to
>     function as bank-switching registers, and then construct a custom
>     bank-switching mechanism to add more memory via a cartridge?  Using
>     this mechanism you could add any amount - even gigabytes.
You are describing MOOH:

http://tormod.me/mooh.html

There are problems (If I remember correctly, you can't prevent writes to 
internal RAM from occurring if you write to external RAM, though you can 
prevent internal RAM from being read - via the SLENB line).

Jim