(I'm not good at English,sorry :(
I know 2 types of SPRITE animation.
Easy one,use it SPCHR.
SPCHR (SPRITE ID),(NUMBER)
It's easy,but not automated.you must be write SPCHR if you want change SPRITE...
2.It's not easy,use SPANIM.
Example:
SPSET ID,ASC("A")
SPANIM ID,"I",60,ASC("B"),0
0そうだね 未プレイ