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Brainfuck interpreter Brainfuck interpreter
> increment the data pointer (to point to the next cell to the right). \> increment the data pointer (to point to the next cell to the right).
< decrement the data pointer (to point to the next cell to the left).
+ increment (increase by one) the byte at the data pointer. \< decrement the data pointer (to point to the next cell to the left).
- decrement (decrease by one) the byte at the data pointer.
. output the byte at the data pointer. \+ increment (increase by one) the byte at the data pointer.
, accept one byte of input, storing its value in the byte at the data pointer.
[ if the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching \- decrement (decrease by one) the byte at the data pointer.
\. output the byte at the data pointer.
\, accept one byte of input, storing its value in the byte at the data pointer.
\[ if the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching
] ]
] if the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [.
\] if the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [.