/***************************************************************************/
/*                                                                         */
/*                                                                         */
/* Serial Communication Driver for Greed                                   */
/* Copyright (C) 1995 by Channel 7                                         */
/*                                                                         */
/* written by Robert Morgan                                                */
/*                                                                         */
/***************************************************************************/


/**** CONSTANTS ****/

#define CMD_SEND            1
#define CMD_GET             2
#define DATALENGTH          128          // maximum data packet size
#define GREEDCOM_ID         0xC7C7C7C7L  // greed packet id
#define NETIPX              1
#define NETSERIAL           2
#define NETMODEM            3


/**** TYPES ****/

#pragma pack(0);
typedef struct
{
 long   id;
 short  intnum;                 // greed executes an int to send commands
 short  maxusage;
 short  nettype;
// communication between greed and the driver
 short  command;                // CMD_SEND or CMD_GET
 short  remotenode;             // dest for send, set by get (-1 = no packet)
 short  datalength;
// info common to all nodes
 short  numnodes;               // console is allways node 0
// info specific to this node
 short  consoleplayer;          // 0-3 = player number
 short  numplayers;             // 1-4
// packet data to be sent
 char   data[DATALENGTH];
 } greedcom_t;
#pragma pack(4);


/**** VARIABLES ****/

extern greedcom_t      greedcom;
extern void (interrupt *oldgreedvect)();
extern int             vectorhooked, maxusage,ms_argc;
extern char            **ms_argv;


/**** CONSTANTS ****/

int  MS_CheckParm(char *check);
void MS_Error(char *error,...);
void LaunchGreed(void);
void interrupt NetISR(void);