Main Page

From Sinclair Wiki
Jump to navigation Jump to search
The original 16K/48K ZX Spectrum
Sinclair Wiki

The aim of this wiki is to provide an up to date repository for Sinclair related information on the internet.

If you would like to contribute to articles please register/log in.

If you do not receive a confirmation email after registering please check your spam folder.
If you have any issues creating an account please contact

Current Status

The wiki is slowly growing, there are several full articles now but it still needs contributions. Please take a look at Sinclair Wiki talk:What Needs Doing to see what parts of the wiki you can help with.


Frequently asked questions—start here!

Spectrum systems:

Spectrum internals:

Hardware maintenance: Replacement Components

Hardware addons

Standards: IDEDOS | ULAplus | X80 | ZXI standard

System software: Sinclair BASIC history | ROM images | +3DOS | +3e | Open82 | OpenSE | Spectrum tape interface | Channels and streams | Loading routine "cores"

Software development: Z80 Programming | SpecBAS | 18×18 icon format | BIFROST* Engine | BIFROST*2 Engine | NIRVANA Engine | NIRVANA+ Engine


File formats:


Companies: Sinclair Research | Miles Gordon Technology | SAM Computers

Timeline of events

Spectrum culture: Harry S Price | Matthew Smith | Where Are They Now? | comp.sys.sinclair Crap Games Competition

External Links

  • The Tech Wiki which contains older versions of much of this material, and details of the "128Ke" idealised Spectrum 128K specification.