Need help decoding incoming byte

Processing Electronics (Arduino, etc.)
8

I have something now that almost works. It reads the inByte, looks for the sync byte value 255, then uses splice and some weird counting to build an array that has 7 elements. The problem now is the Channels kind of shift one position with each iteration. For instance, the Channel[1] value will show up in Channel[2], then the next time through it moves to Channel[3] etc, until it shows up in Channel[6] and then it repeats.

  void serialEvent(Serial myPort) {
//count = 0;
inByte[0] = myPort.read();

          if (count < 7) {

            if (inByte[0] == 255 ) {
           // Channel = splice(Channel,inByte[0],0);
           Channel[0] = 255;
            }else {
              if (Channel[0] == 255){
             Channel = splice(Channel,inByte[0],count+1); 
           //  Channel = append(Channel,inByte[0]);
           
              }
            }
       for(int i=0;i<7;i++) {
       println(i,Channel[i]);
       }       
       count++;
    }
    
   count = 0;    
  }