A restriction of ALGOL 68 permitting one-pass compilation, developed at the Royal Signals Radar Establishment, Malvern, Worcester, UK in April 1970.
Identifiers, modes and operators must be declared before use. There is no automatic proceduring and no concurrency. It was implemented in ALGOL 60 under GEORGE 3 on an ICL 1907F.
[“ALGOL 68-R, Its Implementation and Use”, I.F. Currie et al, Proc IFIP Congress 1971, N-H 1971, pp. 360-363].
- Algol 68c
algol 68c language A variant of ALGOL 68 developed by S. Bourne and Mike Guy of Cambridge University in 1975 and used as the implementation language for the CHAOS OS for the CAP capability computer. ALGOL 68C was ported to the IBM 360, VAX/VMS and several other platforms. (1995-05-02)
- Algol 68s
algol 68s language A subset of ALGOL 68 allowing simpler compilation, intended mainly for numerical computation. It was rewritten in BLISS for the PDP-11, and later in Pascal. It is available as shareware from Charles Lindsey email@example.com. Version 2.3 runs on Sun-3 under SunOS 4.x and Atari under GEMDOS (or potentially other computers supported by […]
- Algol 68rs
algol 68rs language An extension of ALGOL 68 supporting function closures by the Royal Signals Radar Establishment, Malvern UK. It has been ported to Multics and VAX/VMS. (1995-05-04)
- Algol c
algol c language A variant of ALGOL 60 developed by Clive Feather of Cambridge University ca. 1981. ALGOL C added structures and exception handling. It was designed for beginners and students. (1994-11-24)