ZX81 Collection - Links

Links

Web sites

Neil Streeter's ZX81 Index is a great ZX81/TS1000 site; I'm in the process of working out which .P files we share and which are unique.
ZX-TEAM homepage has some useful information about ZX81 projects.
Retro Computer Museum is a great source for all retro computers.
Software Farm tribute page
Sinclair ZX81 support page
TZX File format

Forums

Sinclair ZX80/ZX81 English forums. All you ever wanted to ask about the ZX81, ZX80, TS1000 and more.
comp.sys.sinclair. The original internet forum for all things Sinclair.
World of Spectrum Forums. There's some discussion of ZX81 stuff, along with a great deal of information around programming and Z80 machine code.

Modifications, Hardware Information, Projects

Composite video modification for the ZX81 / TS1000. This gives a simple diagram that shows the circuit needed to modify a ZX81 or TS1000 to produce composite video output for a much better display.
ZX1541 project using a Commodore floppy drive with the ZX81.

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