when sct_mines was changed from unsigned short to short in rev. 1.15.
/* maximum item amount, must fit into sct_item[], sct_del[], sct_dist[] */
#define ITEM_MAX 9999
/* maximum number of mines, must fit into struct sctstr member sct_mines */
-#define MINES_MAX 65535
+#define MINES_MAX 32767
/* maximum number of che, must fit into struct sctstr member sct_che */
#define CHE_MAX 255
/* maximum fallout, must fit into struct sctstr member sct_fallout */