The Tape
Universal Turing Machine Simulator
STATE
q0
HEAD
0
SYMBOL
_
STEPS
0
Load a program and press RUN or STEP.
Step ▶
Run ▶▶
Pause ⏸
Reset ↺
Slow
Fast
200 ms/step
PRESET PROGRAMS
INITIAL TAPE
Load Tape
Blank symbol is _ (underscore). Separate symbols with spaces. Head starts at leftmost non-blank.
TRANSITION TABLE
(state, symbol) → (write, move, next state)
State
Read
Write
Move
Next
+ Add Rule