/* header for link demonstration program */

/* return values for some functions */
#define	OK	1
#define	NG	0

#define	BOX_NUM			4						/* number of boxes */
#define	SIZE				4						/* size of data to transfer */

/* pkt_info[] indexes, used for actual difference value */
#define		L_STORED				0		/* last local frame stored */
#define		R_STORED				4		/* frame number of last remote packet received */

/* all prototypes */
void	Init_Psx(void);
int		Read_Pad(void);
void	Update_Gfx(int draw_boxes);

void	PC_Connection(void);
void	PSX_Connection(void);
void	Init_Boxes(void);
void	Update_Boxes(u_short *pad);
int		Move_Boxes(void);