[Coco] Cheap generic gotek drives

[Mark Marlette]

Thanks Henry for trying! 

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  On Thu, Aug 27, 2020 at 6:30 AM, rietveld rietveld<rietveldh at hotmail.com> wrote:   I tried to boot os9 on my dragon last night but it was a no go.  i tried to copy os9 from floppy (drive2) to gotek (drive1) but the gotek would not boot the disk image

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From: mmarlette at frontiernet.net
Sent: August 27, 2020 7:17 AM
To: coco at maltedmedia.com
Reply to: coco at maltedmedia.com
Subject: Re: [Coco] Cheap generic gotek drives

 I have not been able to boot a nitros-9 dsdd image on the gotek using flashfloppy.
 Anyone else? If successful what was the configuration?
Regards
Mark

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  On Wed, Aug 26, 2020 at 11:41 AM, Phill Harvey-Smith<afra at ramoth.org.uk> wrote:  On 26/08/2020 14:51, Walter Zambotti wrote:
> Also found this resource
>
> https://www.n4vlf.net/gotek.html
>
> Shows an IDC to card edge adapter and discusses custom shugart firmware
> for TRS-80 floppy emulation.  Not sure if this is the same as CoCo or not!

It's also worth pointing out the FlashFloppy open source firmware for
the Gotek, which is under active development. I have used it on several
machines including the Dragon, Nascom and Acorn / BBC, and found it to
work well.

https://github.com/keirf/FlashFloppy

The Wiki linked from the above github page gives details of modifying
and programming the firmware onto a gotek.

The same person that developed the FlashFloppy hardware is also working
on the other side of the equation, taking a floppy disk and making an
image of it via USB with Greaseweazle. Since this uses an STM32 ARM
microcontroller, and records the individual flux transitions it can also
image non-standard / copy protected disks.

https://github.com/keirf/Greaseweazle

Cheers,

Phill.

--
Phill Harvey-Smith, Programmer, Hardware hacker, and general eccentric !

"You can twist perceptions, but reality won't budge" -- Rush.

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