Start- Starts the simulation after the inputs are properly selected. Default
speed is 1x.
Select the speed through dropdown menu
The default speed is reset to x1 automatically at the beginning of every simulation or whenever you pause and resume. If you want to change the speed, you can do so only while the simulation is running (only after starting or after resuming the simulation).
Reset - Resets the simulation
Click on the green input bits to set their values.