Affects Version/s: Minecraft 13w38c
Fix Version/s: None
Environment:Win7 x64 Professional
Java build 1.7.0_15-b03
"One tick physics" seem to be broken or at least behave very unintuitive.
This issue was introduce around the "Redstone Update" and hasn't changed since.
A clock is connected to 12 circuits which are logically the same (except for placement) but have different output
A (comparator) clock is connected to a repeater chain, only after 3 redstone dust beginning from the comparator the repeater receives the correct signal, before the repeaters are always in active mode.
A clock is connected to 4 repeater chains in all directions.
Two of them get the correct signal the other two are wrong.
And for me the most important
A locked repeater chain (used as a shift register) corrupts the signal stored after the lock is released.