To load a map you did with the smiletool, you need to save the screenshots, it's an option on the top left corner. It will save four DAT files.
Then you load each file into a four arrays with 16383 spots with LOAD and then use LOADMAP to load the arrays into the map layers. Theats not all of it, though.
It's a bit too involved to explain in one post. Certainly harder than in Petit Computer.