[Coco] Strange.... two 40 track disks on one 80 track disk?

[Bruce W. Calkins]

My recollection was that you needed to change the track count from 0 to 39 
to 40 to 79 for that drive.  The second "disk" would have the same structure 
as a normal disk aside from the track numbering.



I do not remember if it was as easy as a couple pokes, of if it was more 
complicated.


Bruce W.

=================================================



----- Original Message ----- 
From: "Fedor Steeman"


> Hi,
>
> Some time ago I acquired this huge collection of diskettes that were part 
> of
> a user group's CoCo software library. A lot of these are backups of 
> backups
> so there is bound to be a lot of stuff I will be able to recover.
>
> There are a large number of diskettes that seem to contain a backup of two
> 40 tracks diskettes on one side of an assumed 80 track diskette.
>
> However, I can only access the first diskette of each of these backup
> floppies. I know because some of them have their contents listed on the
> envelope (or whatever you called the paper bag the diskette is in).
>
> I have a drive that can be switched from 80 to 40 tracks but that made no
> difference.
>
> Is there some way in HDB DOS that I am using (or RSDOS for that matter) 
> that
> would enable access to the other 40 tracks and thus the other diskette
> backup?
>
> Thanks for any help...
>
> Cheers,
> Fedor
>
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