Volex TTX2000 S Teletext adapter

For experts to discuss very technical stuff and newbies to ask why the Spectrum they bought off ebay doesn't work.
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Volex TTX2000 S Teletext adapter

Post by Guesser » Mon Aug 05, 2019 4:19 pm

I've finally got around to writing an article about the TTX2000 S teletext adapter for the ZX Spectrum that I bought in 2017, describing how the hardware works and a (currently incomplete) commented disassembly of the ROM.


If anyone has a TTX 2000 in their collection I would be very interested in getting internal photographs, and dumps of any different ROM versions too.
2 x

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