/************************************************************************/

/* KEXT.H  -  Externals File for RML Kermit.
			Chris Kennington	8th July 1985.	*/

/* Revised 7th April to permit new main-menu operation;
   int procedure declarations removed to avoid compiler limitations. */

struct  mode  {
	char	 m_value;
	char	*m_text;
	char	*m_help[5];
};


/* The following sets of #defines are only included in certain files:-	*/

#ifdef	DEFS1
/* Global modes of Kermit program				*/
#define	 KERM	1	/* command-mode		*/
#define	 CONN	2	/* connect-mode		*/
#define  SEND	3	/* send-mode		*/
#define  RECV	4	/* receive-mode		*/
#define  CMND	5	/* send server commands	*/
#define  PARM	6	/* set parameters	*/
#define	 DISK	8	/* process disk commands*/
#define  QUIT	9	/* exit from Kermit	*/
#define  MODMAX	9	/* number of modes	*/

/* types of remote server command		*/
#define  GET	21
#define  RMH	22
/*	 SEND	3	*/
#define  LOGO	24
#define	 BYE	25
#define  RMSV	26
#define  MAIN	27
/*	 QUIT	9	*/
#define  CMDMAX	9

/* data items used only in main()		*/
extern  char	head2[], head3[], head4[], head5[], head6[];
extern  struct	mode	modker, modconn, modrec, modsend,
		  modparm, modcmd, modisk, modauto, modquit;
extern	struct	mode	rcget, rcrmsv, rcrmh, rclogo, rcbye, rcmain;
extern  struct	mode	*kmodes[], *rcmds[];
extern  char	*locations[], inform[], interr[], canx[];
#endif

#ifdef	DEFS2
/* Locations of text items in header of screen			*/
#define  LOCCRCS	0x032a
#define  LOCDUPES	0x031e
#define  LOCESC		0x0141
#define  LOCFILE	0x0208
#define  LOCIN		0x023c
#define	 LOCLOC		0x0540
#define  LOCMODE	0x0108
#define  LOCNAKS	0x0341
#define  LOCOUT		0x024a
#define  LOCPKTS	0x0228
#define  LOCSEQ		0x022f
#define  LOCSPEED	0x0127
#define  LOCTIMOS	0x0334
#define  LOCVER		0x0030
/* others							*/
#define	 DEFNAM		"INVALID.NAM"
#define  DEFLEN		11		/* length of DEFNAM	*/
#endif

#ifdef	DEFS3
/* positions of rows & columns in set/show & menu:-			*/
#define  MENUCOL	20		/* main-menu heading		*/
#define  PKCOL		15		/* column for key-letter	*/
#define  PNMCOL		25		/* column for pamrameter-name	*/
#define  PVCOL		50		/* column for parameter-value	*/
#define  PA2COL		68		/* column for right-arrow	*/
#define  SCRTOP		 7
#define  SCRBOT		16
#define  SCRSIZE	 5		/* number of entries on screen	*/
#define  FIRSTLINE	SCRTOP*256	/* first useable line of screen	*/
#define  LASTLINE	(SCRTOP+(2*SCRSIZE)-2)*256 /* last useable line	*/
#endif

#ifdef DEFS4
/* Global Kermit symbols					*/
#define MAXPACKSIZ	94	/* Maximum packet size */
#define MAXTRY		10	/* Times to retry a packet */
#define MYQUOTE		'#'	/* Quote character I will use */
#define MYPAD		0	/* No padding			*/
#define MYEOL		'\r'	/* End-Of-Line character I need (CR)	*/
#define MYTIME		10	/* Seconds after which I should be timed out */

#endif

#ifdef	DEFS5

/* BDOS Function-Codes						*/
#define SELDSK	14	/* 0x0e	*/
#define SCHFST	17	/* 0x17	*/
#define SCHNXT	18	/* 0x12	*/
#define DELFIL	19	/* 0x13	*/
#define RENFIL	23	/* 0x17	*/
#define CURDSK	25	/* 0x19	*/
#define SETDMA	26	/* 0x1a	*/

#ifdef	MPUZ80	/* following for CP/M only	*/
#define GETROV	29	/* 0x1d	*/
#define GETUSR	32	/* 0x20	*/
#define RSTDRV	37	/* 0x25	*/

#else		/* following for MSDOS only	*/
#define	DIRPTH	0x47
#define MCHFST	0x4e
#define	MCHNXT	0x4f
#endif

#endif

/* Items which differ between 480Z & Nimbus:-			*/

#ifdef	 MPUZ80			/* 480Z versions		*/
#define  CHAR	char
#define  DEOL	0x19
#define  MAXSPD	7		/* max baud rate code		*/
#define  NL	0x0d
#define  SCRLEN	24		/* lines on screen		*/

#else				/* Nimbus versions		*/
#define	 CHAR	unsigned char
#define  DEOL	0x00
#define  MAXSPD	6		/* max baud rate code		*/
#define  NL	0x0d
#define  SCRLEN	25		/* lines on screen		*/

#endif


/* #defines needed in all files:-				*/

/* ASCII characters etc.					*/
#define	 SOH	1	
#define  CTLC	0x03
#define	 EOT	0x04
#define  BKSP	0x08
#define  TAB	0x09
#define  LF	0x0a
#define  UP	0x0b
#define  CR	0x0d
#define	 XON	0x11
#define	 XOFF	0x13
#define  FWD	0x18
#define  CTLZ	0x1a
#define	 LARROW	0x1b		/* left arrow			*/
#define  ESC	0x1b
#define  SP	0x20
#define  DELT	0x7f

#define TRUE	-1
#define FALSE	 0


/* Kermit Macro Definitions					*/
#define tochar(ch)  ((ch) + ' ')
#define unchar(ch)  ((ch) - ' ')
#define ctl(ch)  ((ch) ^ 64 )

#define  forever  while (1)


/* procedures in code of standard Kermit				*/

extern  char	sbreak(),  sdata(),  seof(),  sfile(),  sinit();
extern  char	rpack(),  rdata(),  rfile(),  rinit();
/* extern  int	connect(),  recsw(),  sendsw(),  spack();
extern  int	bufemp(),  bufill(),  gnxtfl(),  rpar(),  spar();
extern  int	error(),  flushinput(),  prerrpkt(),  printmsg();
*/

/* Additional routines in RML version				*/

extern  char	ascch(), *avoid(), cpmunge(),  strcp(),  strcop();
extern  char	dirprt(), filechek(), fileok(), osaction(), *userpath();
extern  CHAR	wildex();
/* extern  int	filexpand(), findcmd();
extern  int	kermkill(),  keyget(),  keyline(),  parse();
extern  int	curset(),  setbaud(),  setpar(),  setshow();
extern  int	errdisp(),  nextin(),  nextout(),  cmdhelp(),  eschelp();
*/
extern  unsigned  getram();
extern  FILE	*kropen(),  *kwopen();

/* RML standard communications interface			*/

/* extern  int	s4break(),  s4env(),  s4get(),  s4go(),  s4put(),  s4reset();
extern  int	s4set(),  s4sleep(),  s4speed(),  s4stop(),  s4test();
*/

/* RML keyboard/screen standard procedures etc.			*/

extern  char	kbdin();
/* extern  int	bell(),  cpmgo(),  cursor(),  jump();
extern  int	keyinit(),  keyrest(),  netcool(),  outc();
extern  int	screen(),  scroll(),  txtout(),  vtout(),  vtline();
*/

/* Global Original Kermit Variables					*/

extern 	int	size,		/* Size of present data */
		rpsiz,		/* Maximum receive packet size */			
		spsiz,		/* Maximum send packet size */
		pad,		/* How much padding to send */
		n,		/* Packet number */
		numtry,		/* Times this packet retried */
		oldtry,		/* Times previous packet retried */
		image,		/* 8th-bit mode */
		filecount;	/* Number of files left to send */

extern	char state,		/* Present state of the automaton */
		padchar,	/* Padding character to send */
		eol,		/* End-Of-Line character to send */
		quote,		/* Quote character in incoming data */
		**filelist,	/* List of files to be sent */
		*filnam,	/* Current file name */
		*recpkt,	/* Receive packet buffer */
		*packet,	/* Packet buffer */
		*oldpkt;	/* Copy of last incoming data	*/

extern	FILE	*fp;		/* File pointer for current disk file */


/* additional externals for RML version:		*/

extern	char	*cmdline, *cmdparm[], dots[], files;
extern  char	kmode, abtflag, nakflag, nmavoid, type;
extern	char	env, esccode, spdcode, pager, scrline;
extern	char	comctrl, escch, netslow, softeof;
extern  char	*filblank, badmsg[], errmsg[], prompt[];
extern  char	connto[], diskcmds[], mainsays[], rcvng[], sendf[], trying[];
extern  char	sp0[],sp1[],sp2[],sp3[],sp4[],sp5[],sp6[],sp7[];
extern	char	*spval[], blanx[], divide[], divisor[], forhelp[], kqhelp[], *parsets[];
extern  char	*osline, oprompt[], *ermsg, *fname, *work;
extern  int	commode, echo, list, oldimage, parity, fuzz[], rptflg;
extern  struct	fcb	*ownfcb;

/* global event counters				*/
extern  int	badcrcs, dupes, naxin, timouts;

/* data in machine-dependent files (K480Z.C, KNIM.C)	*/
extern  char	backto[], eprompt[], head1[];
extern  char	diskfail[], null[], os1[], os2[];
extern  char	oscmd1[], oscmd2[], prompt[];


/* Aztec-C globals:					*/
extern  int	errno;

/*********  End of Kermit externals header-file  ********************/