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Can't get a new ULA for your Spectrum?

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    Can't get a new ULA for your Spectrum?

    Then reverse engineer one for yourself (presumably from a photomicrograph):

    Vintage computers on show at Bletchley Park - V3.co.uk Labs - a blog from V3.co.uk



    http://www.zxdesign.info/
    Last edited by zeitghost; 11 December 2012, 09:08.

    #2
    Originally posted by zeitghost View Post
    Then reverse engineer one for yourself (presumably from a photomicrograph):

    Vintage computers on show at Bletchley Park - V3.co.uk Labs - a blog from V3.co.uk



    Spectrum Clone Design Blog
    Hm, I've got a broken ZX81, think it can be adapted to work?

    Comment


      #3
      Originally posted by zeitghost
      Buy the book & find out.
      Buy, you said Buy

      Who buys anything these days - isn't there a pdf?

      Anyway, I don't think the browser support on the ZX81 is very good.

      Comment


        #4
        Replace it with an FPGA.

        Comment


          #5
          Originally posted by SupremeSpod View Post
          Replace it with an FPGA.
          Or valves - much more retro

          Comment


            #6
            Originally posted by ctdctd View Post
            Anyway, I don't think the browser support on the ZX81 is very good.
            ZeddyFox, the first web browser for the ZX81, was released earlier this year: https://groups.google.com/forum/?fro...ir/iIZLLNGgFLM

            Naturally, it was announced on a Usenet newsgroup and doesn't seem to have a website

            Download link available here (in German): forum.tlienhard.com • Thema anzeigen - ZEDDYFOX: Der Web-Browser für den ZX81 mit ZeddyNet

            Comment


              #7
              Originally posted by SupremeSpod View Post
              Replace it with an FPGA.
              A CPLD will do.

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