ZXIO V2 Support, Guides and Files

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The ZXIO V2 is a memory-mapped input/output (I/O) board designed for the ZX81. All the ZXIO V2 and Interface project files, guides and updates can be found here. Original build logs for the ZXIO V2 can be found in the main blog.


Information, Kit Construction and How-To Use Guides for the  ZXIO V2, Components and interfaces.
  • ZXIO V2 Kit for the ZX81 - Build Guide: This guide provides detailed instructions for constructing and operating the IO Board included in the ZXIO V2 8255A Experimenters Kit.
  • ZXIO V2 and the 8255A-PPI - Usage Guide: (Comming soon)


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