[Coco] high density floppy controller mods
Mark Marlette
mark at cloud9tech.com
Wed Aug 2 12:42:02 EDT 2006
Mike,
The 3029 had both hardware and software control. Mine also senses the
disk and places the controller in the correct mode on the 3.5" DD/HD
disk.
The 3029 is quite a hack, almost like another controller! :)
Good luck!
Mark
Quoting Mike Pepe <lamune at doki-doki.net>:
> Mark Marlette wrote:
>> Mike,
>>
>> Is this the mod that Robert Brose of our Twin Cities Color Computer
>> Group designed over ten years ago??? Or are you doing your own?
>> Robert's mod is up on RTSI.
>>
>> I have been running the HD modified 3029 controller and it does work
>> under NitrOS-9 with the proper descriptors. PCDOS even works and
>> that is my transfer method to/from the PC.
>>
>> I added a line on the interface cable to send the density hole to
>> automatic place the controller in the right clock speed based upon
>> the sensor's output.
>>
>> Mark
>>
>
> No, that mod is on the analog 3029 controller. This is on the 3129
> which is almost totally digital.
>
> So, this is something new. Last I remember that mod had a switch to
> select density. I want this to be software controlled.
>
> -Mike
>
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