extern void PlotBlock(int scr, int y, int x, unsigned char type);
extern void PlotBlockXY(int y, int x, unsigned char type);
extern void ShowScore(int scr, struct _Score score);
extern void PlotBlock(int scr, int y, int x, unsigned char type);
extern void PlotBlockXY(int y, int x, unsigned char type);
extern void ShowScore(int scr, struct _Score score);