This button will terminate the current simulation, recompile, and run it. It is equivalent to interrupting the simulation and entering the '$finish;' command and issuing the Run command.
Continue Button
This button will continue the simulation from the point it was interrupted. This command is equivalent to typing a '.' command.
Stop Button
This button will interrupt the current simulation. Once the simulation is interrupted, you will be prompted for input.
Exit Button
This button will terminate the current simulation. It is equivalent to interrupting the simulation and entering the '$finish;' command.
Step Button
This button will execute the next statement and return control to you. This command is equivalent to typing a ';' command.
Trace Button
This button will execute the next statement, printing out a list of all simulation activity associated with the statement. Control will then be returned to you. This command is equivalent to typing a ',' command.