#include "global.h"
+extern long mScrollX, mScrollY;
+extern long mScrollX_last, mScrollY_last;
+
+extern boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
+
+extern int TEST_flag;
+
+
+extern void InitScrollPlayfield();
+extern void UpdatePlayfield();
+
extern void DDScrollBuffer_Blt_Ext(Bitmap *);
extern void DDScrollBuffer_Blt();
extern void DDScrollBuffer_Cls(int BackColor);