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ZX80
  • Presents brand new flicker-free games for download.
  • Documents the official Sinclair 8K BASIC ROM and CompShop SLOW mode board upgrades.
  • Presents an add-on circuit to insert the missing 'back-porch' into the video signal.
  • Presents a preservation archive of original commercial 4K ROM software, including some disassemblies.
  • Presents an archive of 4K ROM programs typed up from books.
  • Describes the multi-function Chroma 80 colour SCART interface.
  • Presents a technique for loading a file using either the 4K ROM or 8K ROM.
ZX81
  • Presents brand new software for download.
  • Presents commented disassemblies of commercial programs.
  • Presents a preservation archive of original commercial software.
  • Describes the multi-function Chroma 81 colour SCART interface.
ZX Spectrum
  • Presents conversions of classic ZX81 games for download.
  • Describes the multi-function Spectra enhanced colour SCART interface.
ZX Interface 2
  • Documents the Sinclair ZX Interface 2 for use with the Sinclair ZX Spectrum.
  • Documents the released Sinclair ROM cartridges.
  • Documents unreleased prototype ROM cartridges.
  • Presents details of new ROM cartridge designs, including user programmable ones.
  • Presents new ROM cartridge programs to download.
ZX Spectrum 128
  • Describes RGB SCART cable designs for the Sinclair ZX Spectrum 128, +2, +3 and QL.
  • Documents the optional keypad and describes how to build a compatible keypad.
  • Documents promotional literature released about the Spectrum 128.
  • Presents commented disassemblies for the ROMs of the Sinclair ZX Spectrum 128, +2, +3 and Spanish 128.
  • Provides an example of how to extend 128 BASIC with new commands.