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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef __FDC_PLL_H__
#define __FDC_PLL_H__
/*
* Generic pll class for floppy controllers with analog plls
*/
#include "emu.h"
#include "imagedev/floppy.h"
class fdc_pll_t {
public:
attotime ctime, period, min_period, max_period, period_adjust_base, phase_adjust;
attotime write_start_time;
attotime write_buffer[32];
int write_position;
int freq_hist;
void set_clock(const attotime &period);
void reset(const attotime &when);
void read_reset(const attotime &when);
int get_next_bit(attotime &tm, floppy_image_device *floppy, const attotime &limit);
int feed_read_data(attotime &tm, const attotime& edge, const attotime &limit);
bool write_next_bit(bool bit, attotime &tm, floppy_image_device *floppy, const attotime &limit);
void start_writing(const attotime &tm);
void commit(floppy_image_device *floppy, const attotime &tm);
void stop_writing(floppy_image_device *floppy, const attotime &tm);
std::string tts(attotime tm);
};
#endif
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