[Coco] DSK File format

[Robert Gault]

tim lindner wrote:
> Alan Bryan<icemanind at yahoo.com>  wrote:
>
>> Does anyone know if there is an open source program for
>> reading/writing/creating DSK files that are compatible with the VCC
>> emulator?
>
> Mentioning VCC means you are using Windows, right?
>
> The MESS emulator comes with a command line tool (imgtool) and a GUI
> tool (wimgtool) that knows all about CoCo's DSK format, RSDOS and OS-9.
>
> There is also tooshed, http://sourceforge.net/projects/toolshed/.
>
> It is all command line though.
>
>> If not, does anyone have any information on the DSK file
>> format specification?
>
> Toolshed source makes a nice reference.
>

Alan,

You will probably want to study Tim's web page
http://tlindner.macmess.org/?page_id=86
which describes the .dsk format. Luckily most .dsk images are exact multiples of 
256-bytes so there is no header.