TurtleBF
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TurtleBF is a brainfuck derivative by User:Hammy which adds support for 2D graphics (using a turtle) without getting rid of the normal I/O commands.
New commands
| command | meaning |
|---|---|
$ |
Sleep for (Current cell) seconds. |
_ |
Toggle the pen status. By default, the pen is up. |
! |
Step forward (current cell) steps. |
? |
Rotate (current cell) degrees. |
Examples
Draw a circle
+_[!?]