Pbrain

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The pbrain programming language is an extension of the Brainfuck programming language that adds support for procedures. This is done with the addition of the instructions :, (, and ) to the existing Brainfuck instructions.

A procedure is delimited by the ( and ) instructions. It assigned a numeric identifier equal to the contents of the active cell at the time the ( is encountered. For example, the following pbrain program creates a procedure numbered "1" that will increment the active cell:

+(+>)

To call this procedure, the active cell is set to 1 and the procedure is called with the : instruction. Assuming the current cell is zero, the following will call the above procedure:

Implementations

A C++ interpreter and a C# compiler for Microsoft .NET may be found at [http://www.parkscomputing.com/code/pbrain/]

A concise interpreter in C is available at [http://www.hevanet.com/cristofd/pbrain.c].

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