[Coco] 26-3029 floppy disk controller.

[Mike Pepe]

Arthur Flexser wrote:
> 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

Hi Art (and Jim too)-

I suppose this is a feature of ADOS3- or other 16k CoCo 3-aware DOSes? I 
don't think there's a way for the CoCo3 to do this on its own.

-Mike