 z++) {
          const t = e.touches[z]
          const i = t.identifier
          const k = VIP_KEYS[buttons.indexOf(t.target)]
          t.target.classList.add('active')
          down(k)
          held[i]=k
        }
        pd(e)
      }
      const end = e => {
        for(let z = 0; z<e.changedTouches.length; z++) {
          const t = e.changedTouches[z]
          const i = t.identifier
          if (held[i] != undefined) { up(held[i]); delete held[i] }
          t.target.classList.remove('active')
