--- xlander/Makefile	1969-12-31 16:00:00.000000000 -0800
+++ xlander/Makefile	2006-07-11 23:19:30.000000000 -0700
@@ -0,0 +1,28 @@ 
+#CC = gcc -Wall
+CC = cc
+#CFLAGS = -O
+#INCLUDES = -I/usr/local/include
+#LDFLAGS = -s -L/usr/local/lib
+LIBS = -lm -lX11
+TARGET = xlander
+SRCS = xlander.c globals.c initialize.c functions.c instrument.c game.c \
+	resource.c
+OBJS = xlander.o globals.o initialize.o functions.o instrument.o game.o \
+	resource.o
+ALL = README Imakefile Makefile.std xlander.man $(SRCS) xlander.h globals.h \
+	patchlevel.h
+
+all:	$(TARGET)
+
+$(TARGET):	$(OBJS)
+	$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
+
+.c.o:
+	$(CC) $(CFLAGS) $(INCLUDES) -c $*.c
+
+clean:
+	rm -f $(OBJS) $(TARGET) core
+
+shar:	$(ALL)
+	shar -o $(TARGET).shar $(ALL)
+
--- xlander/xlander.h	1992-07-26 03:20:44.000000000 -0700
+++ xlander/xlander.h	2006-07-11 23:12:34.000000000 -0700
@@ -41,10 +41,10 @@ 
 #define HALF_WORLD_LENGTH (WORLD_LENGTH >> 1)
 #define HALF_WORLD_WIDTH (WORLD_WIDTH >> 1)
 #define PIXELS_PER_FOOT 6        /* Number of pixels per foot */
-#define TICKS_PER_SECOND 3       /* Number of frames per second */
+#define TICKS_PER_SECOND 30       /* Number of frames per second */
 #define ACCELERATION -5.310      /* Acceleration of gravity (ft/sec^2) */
 #define RETRO 35.0               /* Acceleration due to retroactive thruster */
-#define LATERAL_THRUST 5.0       /* Acceleration due to lateral thruster */
+#define LATERAL_THRUST 1.0       /* Acceleration due to lateral thruster */
 #ifndef PI
 #define PI 3.1415926535897932384
 #endif
@@ -53,9 +53,9 @@ 
 #define TWOPI 6.2831853
 #define VERT_SPEED 30.0          /* Maximum vertical speed without crashing */
 #define LAT_SPEED 30.0           /* Maximum lateral speed without crashing */
-#define RETRO_BURN 1.6           /* Retroactive thruster fuel consumption */
-#define LATERAL_BURN 0.4         /* Lateral thruster fuel consumption */
-#define FULL_TANK 320            /* Full tank of fuel */
+#define RETRO_BURN 0.16           /* Retroactive thruster fuel consumption */
+#define LATERAL_BURN 0.04         /* Lateral thruster fuel consumption */
+#define FULL_TANK 320           /* Full tank of fuel */
 #define MAX_VELOC 640.0          /* Maximum velocity */
 
 #define LANDER_WIDTH 600
@@ -109,13 +109,16 @@ 
 
 DATABASE *DBInit (), *DBInitFromData (), *LoadDataBase ();
 void DBInsert (), DBFinish (), DBPlot (), SwapBuffers (), exit ();
+
+/*
 #ifndef _AIX
 char *malloc ();
 #endif
 double atof ();
-#ifdef sun
+#ifdef sun 
 int printf (), fprintf (), time ();
 #endif
+*/
 
 /*
  * Transform x,y coordinate pairs from world space to position on