UnitAnim
This instruction is used load a humanoid shaped sprite off EVTCHR.BIN on a sprite using the original unit's palette.

Structure:
<b>Unit ID</b> : Byte (hex)
<b>Affect All</b> : Byte (hex)
<b>Sprite ID</b> : Word (hex)
<b>Unknown1</b> : Byte (hex)

Unit ID
ID of the unit specified in the ENTD. The EVTCHR sprite will be pasted directly over the unit.


Affect All
0x01 : Affect all units on the field and not only the one assigned with the Unit ID.

Sprite ID
ID of the sprite that will be loaded. 

Unknown1
This always seems to be x00 and sometimes x01.