+extern void CheckSingleStepMode_EM(byte action[], int,
+ boolean, boolean, boolean);
+
+void SetGfxAnimation_EM(struct GraphicInfo_EM *, int, int, int, int);
+void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *, int, int, int, int);
+void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *, int, int, int);
+
+
+/* ========================================================================= */
+/* functions and definitions exported from main program to game_sp */
+/* ========================================================================= */
+
+void CheckSingleStepMode_SP(boolean, boolean);
+
+void getGraphicSource_SP(struct GraphicInfo_SP *, int, int, int, int);
+int getGraphicInfo_Delay(int);
+boolean isNextAnimationFrame_SP(int, int);
+
+
+/* ========================================================================= */
+/* functions and definitions exported from main program to game_mm */
+/* ========================================================================= */
+
+void SetDrawtoField(int);
+
+int el2img_mm(int);
+
+void CheckSingleStepMode_MM(boolean, boolean);
+
+void getGraphicSource(int, int, Bitmap **, int *, int *);
+void getMiniGraphicSource(int, Bitmap **, int *, int *);
+void getSizedGraphicSource(int, int, int, Bitmap **, int *, int *);