Tag Archives: Z80

Refurbishing a 48K Rubber Keyed Sinclair ZX Spectrum – Preparation

Recently, I was lucky enough to ‘win’ a pair of 48K Sinclair Spectrums. The original rubber keyed variety. This model was one of the first I ever owned (the actual first being a Sinclair ZX81). Here, I have managed to … Continue reading

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Spectrum Composite Mod and Refurb

A short while ago, I became reaquainted with the world of the Sincclair Spectrum. Back in the original Spectrum Heyday, I had many bits and pieces (wish I’d have kept them!) one of which was a composite monitor. In fact, … Continue reading

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Spectrum Resurrection

All the excitement around the Spectrum Next Kickstarter, and now the shop opening on the forum got me inspired to get hold of an original machine on eBay. Supposedly in working condition, it arrived with a problem. The eBay seller … Continue reading

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Spectrum Next Kickstarter Active!

After what seems a very long wait, the Spectrum Next Kickstarter campaign has started. This machine promises to be everything the retro-computing fan would need. A very well ‘speced’ machine (pardon the pun) with active development, a thriving community and … Continue reading

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Constructing an RC2014

Whilst working on the ZAViouR v1.02, I discovered a kit for a Z80 based micro-computer designed by Spencer Owen. Spencer called it the RC2014 since it was for the Retro Challenge in 2014. It’s a nice, simple modular design which … Continue reading

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Lets have another go!

Well, inspired by the announcement of the Specnext, I’ve decided to get back to work on my ZAViouR Board. It’s been a long time coming but now, I really want to get it going. I got a little disheartened when … Continue reading

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New Boards On The Way

Finally, after being involved in non-electronic projects for a while, I’ve been able to finalise the new ZAViouR board v1.02 and the 7400 based I/O expansion board v1.00. Both have been sent to my favourite fabrication house, Hackvana and I … Continue reading

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ZAViouR Demo and plans

Development continues on ZAViouR Boards v1.01 and v1.02. With a simple bit of Arduino code, you can insert Z80 Hex coded machine code into the ‘Sketch’ via bin2h.exe then compile and run it. Demonstrated here with a simple routine to … Continue reading

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