[Coco] Easy way to copy 40 track disks to the CoCoSDC?

[L. Curtis Boyle]

Yes… that is POKEing into a Disk ROM location. If you have 64K, you could copy the ROM’s into RAM, and then do the POKE.

L. Curtis Boyle
curtisboyle at sasktel.net



> On Apr 25, 2015, at 11:39 AM, Daniel Campos <daniel.campus at gmail.com> wrote:
> 
> Hi Tim,
> 
> I tried that on my CoCo1 but the poke didn't work. It works only in a CoCo3 ?
> 
> Daniel
> 
> On 25/04/2015 13:50, tim lindner wrote:
>> On Sat, Apr 25, 2015 at 9:28 AM, Daniel Campos <daniel.campus at gmail.com> wrote:
>>> Hello,
>>> 
>>> I'm continuing on my efforts to recover the remaining disks, but some of
>>> them are 40 track disks and I think the BACKUP command on the SDC-DOS is not
>>> recognizing the sources as 40 tracks. There is some way to easily copy them
>>> to a .SDF file ?
>> On a CoCo 3 address 53917 ($D29D) should be 35 ($23). This is where
>> the BACKUP command gets the maximum track number. If you POKE 40 ($28)
>> in that location BACKUP should go all the way to track 40. I've not
>> tested this, so let us all know how it goes. :)
>> 
>> If the disk is a normal 18 256 byte sectors per track, then there is
>> no reason to use a .SDF file. A .DSK file will be sufficient. Also if
>> the disk is not a normal 18 256 byte sectors per track, BACKUP
>> wouldn't work anyway.
>> 
>> 
>> 
>> 
> 
> 
> -- 
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>