meaning of bcbc

1. BCD binary coded decimal BCL The successor to Atlas Commercial Language. ["The Provisional BCL Manual", D. Hendry, U London 1966]. BC NELIAC Version of NELIAC, post 1962. Sammet 1969, p. 197. BCNU Be seein you. BCPL Basic CPL A British systems language developed by Richards in 1969 and descended from CPL Combined Programming Language. BCPL is low-level, typeless and block-structured, and provides only one-dimensional arrays. Case is not significant, but conventionally reserved words begin with a capital. Flow control constructs include: If-Then, Test-Then-Else, Unless-Do, While-Do, Until-Do, Repeat, Repeatwhile, Repeatuntil, For-to-By-Do, Loop, Break and Switchon-Into-Case-Default-Endcase. BCPL has conditional expressions, pointers, and manifest constants. It has both procedures: Let foobar Be command and functions: Let foobar = expression. Valof $. . Resultis. . $ causes a compound command to produce a value. Parameters are call-by-value. Program segments communicate via the global vector where system and user variables are stored in fixed numerical locations in a single array. The first BCPL compiler was written in AED. BCPL was used to implement the TRIPOS operating system, which was subsequently reincarnated as AmigaDOS. ["BCPL - The Language and its Compiler", Martin Richards & Colin Whitby-Stevens, Cambridge U Press 1979]. See OCODE, INTCODE. Oxford BCPL differed slightly: Test-Ifso-Ifnot, and section brackets in place of $ $. The original INTCODE interpreter for BCPL is available for Amiga, Unix, MS-DOS ftp://wuarchive. wustl. edu/systems/amiga/programming/language A BCPL compiler bootstrap kit with an INTCODE interpreter in C was written by Ken Yap dit. csiro. au>.

Related Words

bcd | bcs |

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