mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-03 08:05:40 +00:00
69 lines
1.0 KiB
C++
69 lines
1.0 KiB
C++
//
|
|
// TapeUEF.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 18/01/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef TapeUEF_hpp
|
|
#define TapeUEF_hpp
|
|
|
|
#include "../Tape.hpp"
|
|
#include <zlib.h>
|
|
#include <stdint.h>
|
|
|
|
namespace Storage {
|
|
|
|
class UEF : public Tape {
|
|
public:
|
|
UEF(const char *file_name);
|
|
~UEF();
|
|
|
|
Pulse get_next_pulse();
|
|
void reset();
|
|
|
|
enum {
|
|
ErrorNotUEF
|
|
};
|
|
|
|
private:
|
|
gzFile _file;
|
|
unsigned int _time_base;
|
|
z_off_t _start_of_next_chunk;
|
|
|
|
uint16_t _chunk_id;
|
|
uint32_t _chunk_length;
|
|
|
|
union {
|
|
struct {
|
|
uint8_t current_byte;
|
|
uint32_t position;
|
|
} _implicit_data_chunk;
|
|
|
|
struct {
|
|
uint8_t current_byte;
|
|
uint32_t position;
|
|
} _explicit_data_chunk;
|
|
};
|
|
|
|
uint8_t _current_byte;
|
|
uint32_t _chunk_position;
|
|
|
|
bool _current_bit;
|
|
uint32_t _bit_position;
|
|
|
|
Time _chunk_duration;
|
|
|
|
bool _first_is_pulse;
|
|
bool _last_is_pulse;
|
|
|
|
void find_next_tape_chunk();
|
|
bool get_next_bit();
|
|
bool chunk_is_finished();
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* TapeUEF_hpp */
|