You don't have to use SPDEF. There are multiple ways to use certain commands in SmileBASIC like SPSET, which can be SPSET Management number,Definition number SPSET Management number ,U,V [,W,H] ,Attribute SPSET Definition number OUT IX SPSET U,V,W,H,Attribute OUT IX SPSET Upper limit,Lower limit, Definition number OUT IX SPSET Upper limit,Lower limit, U,V,W,H,Attribute OUT IX