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Get the latest files - including fileserver software so you can share files from your PC to the Spectrum - from the downloads section:

  • Downloads - PC software, ROM images, utilities etc.

Latest News

The Spectranet has reached "general availability"! Currently, Ben Versteeg of Byte Delight is building and selling the Spectranet.

Additionally you may find stock at RWAP Software (who also sells other useful items like replacement keyboard membranes), who sold the Spectranets assembled from around 2014 to 2016.

2020-02-21: By popular demand, project sources etc. are now available on Github: see .

Latest Spectranet firmware: R569 (released 4th November 2013)

TNFS server updated: Get it from the Downloads section (released 28th May 2013)

New! ZX SPI - an SPI interface written in Verilog for the ZX Breakout.

See the news blog for more.

Project Info

  • Spectramin - Spectrum 128K AY theremin
  • ZX Breakout - Provides ZX bus signals on a header, and a CPLD for logic functions. Also allows 3.3v devices to be used with the Spectrum.
    • ZX SPI - An SPI interface for the ZX Breakout allowing the Spectrum to become an SPI master.
  • SpectraDVI - A digital video ULA+ add-on for the Spectrum?
  • Spectranet - The Spectrum ethernet card - make your Spectrum talk to the world.
  • Diagnostics - A simple diagnostics card - assists in fixing broken machines.


The software tools used for all of these projects are:

Gerber files and PostScript files will also be available, so if you don't want to edit the PCB layouts or schematics, you can produce the phototools/toner transfer sheets without needing them. You will need at least the Impact part of ISE to program a CPLD. Programming hardware can be as simple as a parallel cable since Xilinx CPLDs are programmed via JTAG rather than some byzantine high voltage programming method.