HEXTIr - TI HexBus SD Drive

James B DiGriz jbdigriz at dragonsweb.org
Mon Oct 30 21:06:26 CDT 2017

On Sun, 29 Oct 2017 12:14:41 -0500
Jim Brain via cctalk <cctalk at classiccmp.org> wrote:

> In case anyone has a fondness for niche tech...
> At VCF-SE this year, the TI folks had a great exhibit, and perusing
> it I saw an unfamiliar machine, the TI CC-40 (Compact Computer-40).
> While I was investigating, the exhibitor (MillipedeMan aka Mark),
> told me the machines were frustrating to use, as TI only supported
> one communications method on the unit, a proprietary protocol called
> HexBus, and produced very low quantities of very few peripherals that
> work on the bus. Most frustratingly, they never producing a mass
> storage device in any appreciable quantity, and there was no other
> way to save programs written on the unit.
> Mark did note there was an eBay seller liquidating units, so I bought
> a 2 unit combo from eBay before I left the show.
> Sadly, Summer happened, but I was finally able to get to the unit,
> and started working on an SD-based mass storage device for the unit.
> It was an interesting journey to learn a new protocol.
> The (development in progress) result is HEX-TI-r, the HexBus SD drive:
> GitHub source code is here: https://github.com/go4retro/HEXTIr
> Video of unit operating: https://www.youtube.com/watch?v=LX5ahVCRdvM
> I don't have a project page up yet, but will work on that.
> Jim

Nice work, Jim. Thanks for the effort you've put into this.


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