SpectraChrom Software

The RCBus is an extended version of the RC2014 bus, designed to overcome the limitations of the RC2014 bus. The RCBus specification v1.0 is available from RCBus | Small Computer Central.

Nascom Basic

Modifying Nascom Basic to add new commands and functions, including the ability to Save and Load Basic programs to and from compact flash cards.


The Z50Bus is a suggestion for a system expansion bus for 8-bit microcomputers. It’s designed to be compact, yet compatible, taking inspiration from previous standard bus layouts, and bringing it into a modern age. The standard board size is larger than the standard RCBus board, providing more space for circuitry. Information on the Z50Bus can be found on the Z50Bus–LiNC site.

Working with computer systems having less power than an optical mouse!