void talk(void)
{
 //start on row 4 of the tileset so we can see if the rest actually place
 //or else it won't fit on the screen
 int &tile_num = 2084;

 //set tsmax to the 128th tile on tilset 17
 //because 129th tile swould be tilset 18, tile 1.
 int &tsmax = 2048;
 &tsmax += 127;
 int &tile_pos = 1;

 //we have loaded a 600x550 tileset on tileset 17
 //let's make sure every single tile on that set works
 //We start with tile 1 of row 4, because we know the ones before that work
   //and we want to be able to see the results of the extra tiles.
tileplace:
 map_tile(&tile_pos, &tile_num);
 draw_background();
 wait(250);
 if (&tile_num < &tsmax)
 {
  &tile_pos += 1;
  &tile_num += 1;
  goto tileplace;
 }
}