int SYSIZE = 17 * TILEY; /* SCR_FIELDY * TILEY */
int FULL_SXSIZE = 2 + 17 * TILEX + 2; /* 2 + SXSIZE + 2 */
int FULL_SYSIZE = 2 + 17 * TILEY + 2; /* 2 + SYSIZE + 2 */
int SYSIZE = 17 * TILEY; /* SCR_FIELDY * TILEY */
int FULL_SXSIZE = 2 + 17 * TILEX + 2; /* 2 + SXSIZE + 2 */
int FULL_SYSIZE = 2 + 17 * TILEY + 2; /* 2 + SYSIZE + 2 */