< software , hardware > A system developed by Ian Currie (Iain?) at the (then) Royal Signals and Radar Establishment at Malvern in the late 1970s. The hardware was custom and microprogrammable , with an operating system , (modular) compiler , editor, garbage collector and filing system all written in Algol-68 . Flex was also re-implemented on the Perq (?).
[I. F. Currie and others, "Flex Firmware", Technical Report, RSRE, Number 81009, 1981].
[I. F. Currie, "In Praise of Procedures", RSRE, 1982].
(1997-11-17)