mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-12 08:30:05 +00:00
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
//
|
|
// TZX.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 16/07/2017.
|
|
// Copyright 2017 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#pragma once
|
|
|
|
#include "../PulseQueuedTape.hpp"
|
|
#include "../../FileHolder.hpp"
|
|
|
|
#include <string>
|
|
|
|
namespace Storage::Tape {
|
|
|
|
/*!
|
|
Provides a @c Tape containing a CSW tape image, which is a compressed 1-bit sampling.
|
|
*/
|
|
class TZX: public Tape {
|
|
public:
|
|
/*!
|
|
Constructs a @c TZX containing content from the file with name @c file_name.
|
|
|
|
@throws ErrorNotTZX if this file could not be opened and recognised as a valid TZX file.
|
|
*/
|
|
TZX(const std::string &file_name);
|
|
|
|
enum {
|
|
ErrorNotTZX
|
|
};
|
|
|
|
private:
|
|
struct Serialiser: public PulseQueuedSerialiser {
|
|
Serialiser(const std::string &file_name);
|
|
|
|
private:
|
|
Storage::FileHolder file_;
|
|
|
|
void reset() override;
|
|
void push_next_pulses() override;
|
|
|
|
bool current_level_;
|
|
|
|
void get_standard_speed_data_block();
|
|
void get_turbo_speed_data_block();
|
|
void get_pure_tone_data_block();
|
|
void get_pulse_sequence();
|
|
void get_pure_data_block();
|
|
void get_direct_recording_block();
|
|
void get_csw_recording_block();
|
|
void get_generalised_data_block();
|
|
void get_pause();
|
|
|
|
void ignore_group_start();
|
|
void ignore_group_end();
|
|
void ignore_jump_to_block();
|
|
void ignore_loop_start();
|
|
void ignore_loop_end();
|
|
void ignore_call_sequence();
|
|
void ignore_return_from_sequence();
|
|
void ignore_select_block();
|
|
void ignore_stop_tape_if_in_48kb_mode();
|
|
|
|
void get_set_signal_level();
|
|
|
|
void ignore_text_description();
|
|
void ignore_message_block();
|
|
void ignore_archive_info();
|
|
void get_hardware_type();
|
|
void ignore_custom_info_block();
|
|
|
|
void get_kansas_city_block();
|
|
void ignore_glue_block();
|
|
|
|
struct Data {
|
|
unsigned int length_of_zero_bit_pulse;
|
|
unsigned int length_of_one_bit_pulse;
|
|
unsigned int number_of_bits_in_final_byte;
|
|
unsigned int pause_after_block;
|
|
uint32_t data_length;
|
|
};
|
|
|
|
struct DataBlock {
|
|
unsigned int length_of_pilot_pulse;
|
|
unsigned int length_of_sync_first_pulse;
|
|
unsigned int length_of_sync_second_pulse;
|
|
unsigned int length_of_pilot_tone;
|
|
Data data;
|
|
};
|
|
|
|
void get_generalised_segment(
|
|
uint32_t output_symbols,
|
|
uint8_t max_pulses_per_symbol,
|
|
uint8_t number_of_symbols,
|
|
bool is_data
|
|
);
|
|
void get_data_block(const DataBlock &);
|
|
void get_data(const Data &);
|
|
|
|
void post_pulses(unsigned int count, unsigned int length);
|
|
void post_pulse(unsigned int length);
|
|
void post_gap(unsigned int milliseconds);
|
|
|
|
void post_pulse(const Storage::Time &time);
|
|
} serialiser_;
|
|
};
|
|
|
|
}
|