COMMAND NAME:

        HISTORY

USAGE:
        HISTORY number of ticks
        HISTORY

        This command sets the value of history for waveforms in ticks.
        If no argument is provided, the current value will be printed in
        the message area. Default value of history is 10000 ticks.  If
        HISTORY is set to 25000, waveform data will be retained in the
        DISPLAY ANALYZER from <Current_simulation_time - 25000> to
        <Current_simulation_time>.   Any waveform data before
        <Current_simulation_time - 25000> is not displayed.
