How do I get locks to work?
Conside looking at the F8 Guide to Devmode, which can be found here
Basically, you use the Control-Shift option to select a key. Look in the 2 "INT" options. These options tell the key which section to unlock when it is collected.
Now, refer back to your Lock Section. What are the coordinates of the first lock in the chain? Enter the coordinates as the two "INT" options in the F8 menu.
Now, go into the game, and test the chain by collecting the key. If the lock tiles start to dissappear, then it's been done right. If you didn't get it right, then refer back to the 2 "INT" keys in the F8 options. Have you made sure that the coordinates are exact?
Hope that helps just a little bit.