这很简单.它只是进行加法运算，并得到一个8位以上的数字.第九位(为1)刚刚下降"，剩下剩下的8位组成数字94.

It's quite simple. It just does the addition and comes off at a number with more than 8 bits. The ninth bit (being one) just 'falls off' and you are left with the remaining 8 bits which form the number 94.

(是的，这是无害的)