Actually, there are loops: jumps are performed modulo 2^16, so jumping past the end of the program actually wraps back to the beginning. By dividing the program

Actually, there are loops: jumps are performed modulo 2^16, so jumping past the end of the program actually wraps back to the beginning. By dividing the program into blocks, and jump as many times as required, you can perform loops. Just one problem: it takes a looong time.