[Coco] Cheap generic gotek drives

[Adam Coolich]

Mark,
I've been able to boot the Nitros-9 80-track images from a Gotek without a problem, on both a Coco2 and Coco3.

Here's my setup:

  *   Gotek drive with OLED upgrade
  *   FlashFloppy v2.14
  *   Disk Controller 26-3029

FF Config file:
interface = jc
host = tandy-coco
pin02 = auto
pin34 = auto
write-protect = no
side-select-glitch-filter = 0
track-change = instant
index-suppression = yes
head-settle-ms = 12
motor-delay = ignore
ejected-on-startup = no
image-on-startup = last
display-probe-ms = 3000
autoselect-file-secs = 2
autoselect-folder-secs = 2
folder-sort = always
sort-priority = folders
nav-mode = default
nav-loop = yes
twobutton-action = zero
rotary = full
indexed-prefix = "DSKA"
display-type = auto
oled-font = 6x13
oled-contrast = 143
display-off-secs = 60
display-on-activity = yes
display-scroll-rate = 200
display-scroll-pause = 2000
nav-scroll-rate = 80
nav-scroll-pause = 2000
step-volume = 10
da-report-version = ""
extend-image = yes

Hope that helps!
Adam


________________________________
From: Coco <coco-bounces at maltedmedia.com> on behalf of Mark Marlette <mmarlette at frontiernet.net>
Sent: Thursday, August 27, 2020 7:07 AM
To: CoCoList for Color Computer Enthusiasts <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

Sent from Frontier Yahoo Mail on Android

  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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