resetScreen = (screen) => {
    // We want to make sure to reset the attributes before we clear the screen.
    // The attributes might be used to initialize default/empty rows.
    screen.textAttributes.reset();
    screen.textAttributes.colorPaletteOverrides = [];
    this.clearHome(screen);
    screen.saveCursorAndState(this.vt);
  }
Full terminal reset.

Perform a full reset to the default values listed in
https://vt100.net/docs/vt510-rm/RIS.html