A low-level interpreted language used in Bootstrapping 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].