# define MAX_X 80
# define MAX_Y 25
# define DUMP_BYTES 16
-#elif defined(__APPLE2__) || defined(__APPLE2ENH__) || defined(__ATARI__)
+#elif defined(__APPLE2__) || defined(__APPLE2ENH__) || defined(__ATARI__) || defined(__ATARIXL__)
# define MAX_X 40
# define MAX_Y 24
# define DUMP_BYTES 8