function execute() {
  let total = 0;
  switch (trigger) {
    case 0:
      if (inPorts[1].value === true) {
        total += 1;
      }
      if (inPorts[2].value === true) {
        total += 2;
      }
      if (inPorts[3].value === true) {
        total += 4;
      }
      if (inPorts[4].value === true) {
        total += 8;
      }
      if (inPorts[5].value === true) {
        total += 16;
      }
      if (inPorts[6].value === true) {
        total += 32;
      }
      if (inPorts[7].value === true) {
        total += 64;
      }
      if (inPorts[8].value === true) {
        total += 128;
      }
      if (inPorts[9].value === true) {
        total += 256;
      }
      return [total];
    default: break;
  }
  return [];
}