Discovered by me!
(At least I am the only one to make a tutorials or talk about it)
If a button is NOT pressed, execution status = 'true'
2A34XXXX YYYYZZZZ
Adding 1 to ______ will make this code first apply an Endif.
(It will still use ______ for address calculation; without the added 1)
normal activator is 2834XXXX YYYYZZZZ.