screen,start,move,end)
    },
    remove:  (screen) => {
      if(screen.uninstallSeg16)screen.uninstallSeg16()
      delete screen.uninstallSeg16
    },
  },

  /**
  * Provide a visible 4x4 representation of the VIP hex keypad.
  **/
  vip: {
    install: (screen,up,down,options) => {
      if (document.querySelector('.vip-pad')) return
      const root = document.createElement('div')
      root.classList.add('vip-pad')
      root.innerHTML = `<div class='keypad'>
        ${[0,1,2,3].map(r=>`<div>${[0,1,2