Di-Ren

Di-Ren was a small company based in Walsall, West Midlands, run by the one-time Chairman of Quanta - Robin Barker.

Di-Ren produced a range of software and hardware for the Sinclair QL including:

• Amadeus Interlink - a modular network system for connecting various different computers together.
• Amadeus Protocol - program to access computer operating systems via Amadeus Interlink
• Di-Ren keyboard interface - smallest PC-AT Keyboard interface for the QL.
• Fleet Tactical Command - Real-time Naval Simulator
• FTCII Data Print Utility - Program to output data from Fleet Tactical Command
• Micro Process Controller - 6 switched relays, connected via a parallel interface (or serial to parallel converter)
• Network Prover - a simple box to indicate when the QL's network was transmitting data
• The Fugitive - a text adventure
• QL-PC Fileserver - a means of linking the QL to a PC over the serial ports, whereby the PC would act as storage for QL files.