Okay, so here's the next chapter. LOOP type of loop. NEXT loop, which let you do something a certain number of times.
LOOP loop fills.
Then put the commands you want to be in the loop, and have a LOOP command to close it all up. Here's a very simple example of how to use the DO loop. The loop is very simple, but infinitely useful. THEN like statements into one big grouping in your program instead of having hundreds of seperate statements. It also allows you to have multiple commands per CASE of a variable.