Need help with questions 2, 3, and 4 please

Define a programming loop. Add comments to the program below: The loop completed___times in above program Register___hold the quantity of times the loop is repeated. Explain how the DECB and BNE determine that the loop has complete amount of repetitions. How is the beginning of the loop identified in the above program? The BNE instruction checks the___flag in the CCR and if the flag is___and if the flag is clear it___ What would you change in the above program if you want it to loop 25 Add comments to the below program