Where's my multiball?

[debuggiest]

So I was playing MM on my phone last night... 3 castles down, and I just destroyed the gate again. The ball came straight back to the flippers and I quickly shot it into the lock and instead of starting multiball, it destroyed the castle. I'm positive it went in the lock hole, as I saw the little door open and close. What gives?

 

[vikingerik]

I've certainly seen the real machine do that, interpret a lock shot as a castle shot. I believe there's no switch on the lock gate itself, and the game detects lock vs castle shots depending on whether the ball recently tripped the proximity sensor near the gate/drawbridge.

 

[debuggiest]

Cool, at least I'm not going nuts.