-#define PLAYER_SCREEN_X(p) (((7 - frame) * ply[p].oldx + \
- (1 + frame) * ply[p].x) * TILEX / 8 \
- - ((SCR_FIELDX - 1) * TILEX) / 2)
-#define PLAYER_SCREEN_Y(p) (((7 - frame) * ply[p].oldy + \
- (1 + frame) * ply[p].y) * TILEY / 8 \
- - ((SCR_FIELDY - 1) * TILEY) / 2)
+#define PLAYER_POS_X(nr) (((7 - frame) * ply[nr].oldx + \
+ (1 + frame) * ply[nr].x) * TILEX / 8)
+#define PLAYER_POS_Y(nr) (((7 - frame) * ply[nr].oldy + \
+ (1 + frame) * ply[nr].y) * TILEY / 8)
+
+#define PLAYER_SCREEN_X(nr) (PLAYER_POS_X(nr) - \
+ (SCR_FIELDX - 1) * TILEX / 2)
+#define PLAYER_SCREEN_Y(nr) (PLAYER_POS_Y(nr) - \
+ (SCR_FIELDY - 1) * TILEY / 2)