[Coco] CoCo SDC Preview

[Luis Antoniosi (CoCoDemus)]

Wow, that's a good project.

Please, put me on the list when is ready :)


On Thu, Apr 25, 2013 at 11:22 AM, Darren A <mechacoco at gmail.com> wrote:

> Some of you may recall the FDC emulator project I was working on a
> couple years ago.  The goal of that project was to allow DriveWire to
> support programs that talked directly to the floppy controller or used
> non-standard disk formats.  Unfortunately, I became frustrated by the
> growing complexity of the design and set it aside.
>
> Since then I got my first Arduino and began dabbling with the AVR
> microcontrollers.  This re-kindled my interest in the FDC emulator, so
> I adapted some of the old design to run on an Atmega.  Many had stated
> that they don't like having to tether the CoCo to a PC, so the new
> design was to target an SD card for storage rather than the DriveWire
> server.  The project would allow you to place DSK files onto a
> FAT-formatted SD card and access them from the CoCo.  The Atmega,
> along with a Xilinx CPLD, provide near-complete emulation of a Tandy
> WD17x3-based floppy controller and 2 drives, including HALT, NMI, raw
> track operations and the 300 rpm index pulse.  In addition, an
> enhanced access mode can be used (with an appropriate driver) for
> virtual hard drive images and significantly better performance.
>
> Over the past few weeks I was able to get a PCB fabricated, and with
> the generous help of Rogelio Perea I now have 3 functional prototype
> boards assembled.  I won't be attending the CoCoFest this weekend, but
> the plan is to send one so it will be available for preview.  Stay
> tuned…
>
> Darren
>
> --
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> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
>



-- 
Long live the CoCo