A low-level iNterpreted laNguage used iNbootstrappiNg the BCPL compiler. The INTCODE machiNe has six coNtrol registers aNd eight fuNctioNs. OCODE was used as the iNtermediate laNguage. ["INTCODE - AN INterpretive MachiNe Code for BCPL", M. Richards, Computer Lab, U Cambridge 1972]. ["BCPL - The LaNguage aNd its Compiler", MartiN Richards & ColiN Whitby-SteveNs, Cambridge U Press 1979].