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For the functional stack language, see spl. For the Shakespearean language, see Shakespeare.

SPL is an esoteric programming language invented by StelK around December 2005. It is very similar to Brainfuck but it has some new instructions. It was made only as a hobby. SPL can handle only integers.

Command set

The SPL command set is that of Brainfuck with some alterations.

> Move pointer right
< Move pointer left
. Output the byte at the pointer
, Input the byte at the pointer
[ Jump past matching ] if the accumulator is 0
] Jump back to matching [ unless the accumulator is 0

New instructions:

^ Load the current byte in the accumulator
$ Wait for an input and put it in the accumulator
% Put in the current byte the result of the current byte%accumulator
m Multiplies the current byte by the accumulator
a Add the accumulator to the current byte
s Subtract the accumulator to the current byte
d Divide the current byte by the accumulator
& Terminate the program immediately


To print text you can simply put it between "". So the classic "Hello World" program is:

"Hello World

The new line character is also printed. Text between # and # is a comment. Comments can't be nested. (The current implementation allows you to match an [ or ] inside comments for interesting results.)

This asks a number and prints the numbers between it and zero:

"n: "|^[." "-^]"

See also

  • Brainfuck: The language from which SPL is born.

External resources