When I use the brock through walls glitch, I get all the way to the ditto cave and get stuck where I can do everything but press start to go to the menu so I can select save. Is anybody able to tell me what I'm doing wrong? I'm on emulator btw.

You probably have a Pidgey with 16 hp. This prevents you from opening the menu after BTW The guide contains a manip for a 17 hp Pidgey, which will allow you to open the menu

Thanks, that helped a lot!