sinclair zx81

• Mastering machine code on your ZX81

  

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• 1982 Sinclair ZX81 Personal Computer Satisfy Your Lust for Power 3-Page Print Ad (Memorabilia) (58754)

  

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• Cambridge Collection: Book of Thirty Programs for the Sinclair Z. X. 81

  

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• One Hundred One Timex One Thousand Sinclair Zx 81 Programming Tips and Tricks

  

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• What Can I Do with 1K?: Forty Programs and Routines for the 1K Sinclair Z. X. 81

  

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• BASIC basics for the Timex Sinclair 1500, also for use with Timex 1000 and Sinclair ZX-81 computers

  

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