/* 723 s-band transmitter ram declarations */

extern char func[];                             /* function key definitions */
extern char eventime[],evendate[],event[],evenable[];   /* clocked events */
extern char histime[];                          /* history time scroll */
extern char dayt[],tyme[],oldayt[],oltyme[];
extern char dname[],dname1[],dname2[],dname3[],dname4[];        /* user defined inputs */
extern char aname[],aname1[],aname2[];          /* user defined meters */
extern char cname[],cname1[],cname2[],cname3[]; /* user defined commands */
extern char password[],idents[],codec[4];
extern char numb[],treegate[],treelev[],treenabl[],treecmd[];
extern char kernbuf[];

extern char *cmdlist[],*bitlist[],*lolist[],*hilist[],*metlist[],*calclist[],
	*testlist[];

extern GXHEADER vhptr;

extern unsigned char ptbl1[],ptbl2[];           /* palette tables */
extern unsigned char utemp[];                   /* temporary file */
extern unsigned char sysbuf[],combuf3[];        /* COM3 buffers */
extern unsigned char keyboard[],combuf1[];      /* keyboard buffers */
extern unsigned char remotbuf[],combuf2[];      /* COM2 buffers */
extern unsigned char localbuf[],parse[];
extern unsigned char status[],oldstat[],statup[];       /* status buffers */
extern unsigned char temp1[],temp2[];
extern unsigned char prohibs[];                 /* prohibited commands */
extern unsigned char histat[];                  /* history status scroll */
extern unsigned char control[];                 /* control output bytes */

extern int meter[],avmet[],logavg[],longav[],oldav[],movav[16][64];      /* A/D buffers */
extern int dac[],rmsmet[],minmet[],maxmet[];
extern int prepow[],prebeam[],predriv[],prebal[],prepha[],preoff[],pregain[];
extern int hismet[];                            /* history meter scroll */
extern int scale[];                             /* A/D scaling multipliers */
extern int hvfac;				/* Beam V to dac conv factor*/
extern int olhvset,oldrvset;			/* update registers */
extern int lolim[],hilim[];
extern int oldscrn,screen;                      /* video screen number */
extern int refresh;                             /* status change flag */
extern int inlist;                              /* command parsing flag */
extern int histflag;                            /* history storage flag */
extern int histno,logno;                        /* history, log sequence numbers */
extern int treebit[];                           /* programmable controller signal bits */
extern int counter[];                           /* misc timers & counters */
extern int remo,test;                           /* remote, test versions */
extern int rgb[],pal[];                         /* palette intensities */
extern int nb;                                  /* number of bytes in status log */
extern int histen;				/* ram history enable */
extern int veriflag;            /* flag for verification of cmds */
extern int rflag;		/* flag for verification of cmds */
extern int anordig;             /* flag for verfication 1=analog */
extern int comseq;              /* flag for command sequences */
extern int trynum;              /* number of times sequence will execute */
extern int statnum;             /* byte number in status log to verify */
extern int statmask;            /* mask used in digital compare */
extern int statnum2;            /* byte number in status double verify */
extern int statmask2;           /* mask used in double digital compare */
extern int statchk;		/* desired status result */
extern int statchk2;		/* desired double status result */
extern int metnum;              /* meter number used for compare */
extern int updn;                /* 1=up, used for compare */
extern int old47;		/* old value of counter[47], used in refresh */
extern long oldval;             /* meter value used for compare */
extern int chkcount;            /* counter used for verify delay */
extern int filset;		/* fil timer complete variable */
extern int filrcount;		/* fil ramp timer */
extern int dogs;		/* special fault sums */
extern int ind_delay;		/* inductrol delay counter */
extern int pset;		/* power set routine flag */
extern unsigned int startime;                   /* start thousandths count */

extern long elaptime;                           /* elapsed time counter */
extern long keystart;                           /* keyboard activity start time */ 
extern long scrstart;                           /* screen-saver start time */ 
extern long calc[],olcalc[],longcalc[],mincalc[],maxcalc[];     /* calculations */
extern long raw[];                              /* un-scaled meter values */

extern double sqsum[],metersum[];               /* used in metering routine */

extern FILE *stream;                            /* used to talk to hard drive */

extern void (_interrupt _far *oldint09H)(void);
extern void _interrupt _far newint09H(void);
extern void (_interrupt _far *oldtick)(void);
extern void _interrupt _far newtick(void);