Trapdoor/DV

Bits 	Values
0x10x2	
A two-bit field storing a value from 0 to 3:
* 0: Trapdoor on the south side of a block
* 1: Trapdoor on the north side of a block
* 2: Trapdoor on the east side of a block
* 3: Trapdoor on the west side of a block
0x4 	If this bit is set, the trapdoor is on the top half of a block. Otherwise, it is on the bottom half.
0x8 	If this bit is set, the trapdoor is open.
Category:Data value pages
zh:活板门/DV