Steps to make a level:

1. Make a directory for your level
2. Design levels using CalcGS
   Tile images are in the main smiley directory (tiles1.gst)
   Level height must be 16 rows
   Width may range from 15 to 64 columns
   Only tiles 0 through 31 should be used
3. Export level data into directory as 68K source named 1.asm, 2.asm, etc.
4. Run level.bat with the directory's name as the argument
   This require TIGCC Tools Suite in your path

