| Character | Function |
|---|---|
| + | Increment the byte at the data pointer by one. |
| , | Accept one byte of input, storing its value in the byte at the data pointer. |
| - | Decrement the byte at the data pointer by one. |
| . | Output the byte at the data pointer. |
| < | Decrement the data pointer by one (to point to the next cell to the left). |
| > | Increment the data pointer by one (to point to the next cell to the right). |
| [ | 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 ] command. |
| ] | 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 [ command. |