#ifndef __PIT_H
#define __PIT_H

#include<regs.h>
extern volatile unsigned int _pit_ticks;
extern volatile unsigned int _pit_frequency;
extern volatile TIME _internal_clock;

extern void i86_pit_handler(ISR_stack_regs *r);
extern void i86_pit_set_frequency(int frequency);
extern unsigned int i86_pit_set_tick_count(unsigned int i);
extern unsigned int i86_pit_get_tick_count();
extern unsigned int i86_pit_get_frequency();
extern void i86_pit_install(int freq);
extern unsigned char i86_pit_is_initialized();

#endif