[Coco] 26-3029 floppy disk controller.

[Arthur Flexser]

On Tue, 17 Jan 2006, Mike Pepe wrote:

> As a side note, a CoCo 1 or 2 has 16K of external ROM space. A CoCo 3 
> can have 8,16,or 32K. By default, however, the address range $E000-$FDFF 
> is used by the "super" basic, leaving 8K for external ROM.
> 
> I suppose this means that it's not possible to use a 16K 3rd-party disk 
> BASIC ROM on a CoCo 3.

It certainly is possible, as anyone who has used Extended ADOS-3 can attest.
Super Extended Basic is temporarily switched out of the map whenever it is
necessary to access ROM addresses in the $E000-FEFF range.

Art