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/************************************************************************
 *  General routines for programming the timer chip with a new frequency
 ************************************************************************/

extern int prog_timer(int freq);
extern void rest_timer(void);
extern void newdelay(unsigned int delval);

extern unsigned long timerticks;
extern void far (*user_timer_rte)();


/***********************************************************************
 *  Millisecond resolution timer
 *  Does not change the timer frequency
 *
 *  Return value from read_mstimer() consists of system ticks in upper
 *  word, and latched timer count in low word.
 ***********************************************************************/

extern void init_mstimer(void);
extern void rest_mstimer(void);
extern unsigned long read_mstimer(void);
extern void ms_delay(unsigned int msec);


/***********************************************************************
 * Long period Zen timer
 *
 * Return values from LZTimerLap() and LZTimerCount is in microseconds
 ***********************************************************************/

extern void LZTimerOn(void);
extern void LZTimerOff(void);
extern unsigned long LZTimerLap(void);
extern unsigned long LZTimerCount(void);
.

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