[Coco] DECB and BACKUP

Arthur Flexser flexser at fiu.edu
Sun Aug 30 19:54:07 EDT 2015


Yes, wildcard copy (or any version of the COPY command) would not work for
OS-9 disks.

Art

On Sun, Aug 30, 2015 at 7:48 PM, Ron <ron at kdomain.org> wrote:

> Hi Art,
>
> I do have your ADOS-3 (from many years ago) burned on some EPROMS, so I
> can certainly use those.  If I just use wildcard copy, that's only good for
> DECB disks, correct?  I would still need address any OS9 disks as I would
> not be doing sector by sector copies any longer, correct?
>
> I dread trying to do something with DSKI$ and DSK0$...
>
> Thanks for giving me another possible option, though!
>
> -Ron
>
>
>
> On 8/30/2015 6:11 PM, Arthur Flexser wrote:
>
>> There are ways to modify the BACKUP command to do what you want, but they
>> require some knowledge of 6809 coding and the inner workings of Basic.  So
>> if you need to return to Basic, you probably want to avoid using BACKUP.
>>
>> A wildcard COPY utility might be suitable for what you want, if it
>> wouldn't
>> be incompatible with CoCoSDC use.  One such (WCOPY.BIN) is included on the
>> Extended ADOS-3 disk, available in the list archives.  It modifies the
>> COPY
>> command to allow COPY *.* to <destination drive number>, returning control
>> to Basic on completion.  It possibly requires booting up (un-Extended)
>> ADOS-3 first.
>>
>> If that would be incompatible with the CoCoSDC, then your best bet would
>> probably be a sector-by-sector copy using DSKI$ and DSKO$, or repeated
>> calls to DSKCON to do the equivalent.  It would be substantially slower
>> than the BACKUP command, though.
>>
>> Art
>>
>> On Sun, Aug 30, 2015 at 6:11 PM, Ron <ron at kdomain.org> wrote:
>>
>> Hi everyone,
>>>
>>> Is there a way to do BACKUPs in DECB without it clearing the contents of
>>> the BASIC program in memory?
>>>
>>> I'm trying to transfer many floppy disks to a CoCoSDC and the BACKUP
>>> command works great.  I wrote something that helps speed the process up,
>>> but the BASIC program is gone when the BACKUP operation completes.  I
>>> thought I remember reading something about BACKUP needing as much RAM as
>>> it
>>> can to do what it does.  I'm just looking for a way around this so the
>>> running program will continue.
>>>
>>> Thanks!
>>>
>>> -Ron
>>>
>>>
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>>>
>>>
>
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