/* 420C 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[];
extern char numb[],treegate[],treelev[],treenabl[],treecmd[];
extern char kernbuf[];

extern char *cmdlist[],*bitlist[],*metlist[],*servlist[],*calclist[];

extern GXHEADER vhptr;

extern unsigned char ptbl1[],ptbl2[];		/* palette tables */
extern unsigned char utemp[];			/* temporary file */
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[],longav[],oldav[],movav[16][64];	/* A/D buffers */
extern int rmsmet[],minmet[],maxmet[];
extern int hismet[];				/* history meter scroll */
extern int scale[];				/* A/D scaling multipliers */
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;				/* remote version */
extern int rgb[],pal[];				/* palette intensities */
extern int nb;					/* number of bytes in status log */

extern unsigned int startime;			/* start thousandths count */

extern long filstart;				/* filament warm-up start time */
extern long elaptime;				/* elapsed time counter */
extern long keystart;				/* keyboard activity start time */ 
extern long calc[],olcalc[],longcalc[];		/* calculations */

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

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