Make protected BASIC code visible#

Sometimes Atari BASIC is protected and the user isn't able to see inside the source code. This is a main disadvantage, especially, when the original code is damaged. In order to preserve the software genuine, there is a need to solve this problem.
List-Protected BASIC code from the German BASIC course: 'Noch mehr BASIC TXG 55007'

Luckily, living legend Avery Lee, the creator of the Atari Altirra emulator, has implemented 2 routines, which do the job in a marvelous way.

Given the fact the user has already just loaded the BASIC code without executing,