L     #CHAN_NUM
      JL    LSTX                        //jump to label number contained by #CHAN_NUM
      JU    CH_0                        // = 0
      JU    CH_1                        // = 1
      JU    CH_2                        // = 2
      JU    CH_3                        // = 3
      JU    CH_4                        // = 4
      JU    CH_5                        // = 5
      JU    CH_6                        // = 6
      JU    CH_7                        // = 7
LSTX: NOP   0
CH_0: NOP   0
      JU    M001


這么多的JU 。是怎么讀這段語句？

當＞7時跳轉到LSTX，其余等于幾就跳到幾