+extern int WIN_XSIZE, WIN_YSIZE;
+extern int SCR_FIELDX, SCR_FIELDY;
+extern int REAL_SX, REAL_SY;
+extern int SX, SY;
+extern int DX, DY;
+extern int VX, VY;
+extern int EX, EY;
+extern int dDX, dDY;
+extern int FULL_SXSIZE, FULL_SYSIZE;
+extern int SXSIZE, SYSIZE;
+extern int DXSIZE, DYSIZE;
+extern int VXSIZE, VYSIZE;
+extern int EXSIZE, EYSIZE;
+extern int TILESIZE_VAR;
+