1
0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-11 15:49:38 +00:00
CLK/Storage/Tape/Formats/TapeUEF.hpp

80 lines
1.6 KiB
C++
Raw Normal View History

//
// 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 "../PulseQueuedTape.hpp"
#include "../../TargetPlatforms.hpp"
#include <cstdint>
#include <string>
#include <zlib.h>
namespace Storage {
2016-08-27 21:09:45 +00:00
namespace Tape {
/*!
Provides a @c Tape containing a UEF tape image, a slightly-convoluted description of pulses.
*/
class UEF : public PulseQueuedTape, public TargetPlatform::TypeDistinguisher {
public:
/*!
Constructs a @c UEF containing content from the file with name @c file_name.
@throws ErrorNotUEF if this file could not be opened and recognised as a valid UEF.
*/
UEF(const std::string &file_name);
2016-08-27 21:09:45 +00:00
~UEF();
enum {
ErrorNotUEF
};
private:
void virtual_reset();
void set_platform_type();
TargetPlatform::Type target_platform_type();
TargetPlatform::Type platform_type_ = TargetPlatform::Acorn;
gzFile file_;
unsigned int time_base_ = 1200;
bool is_300_baud_ = false;
struct Chunk {
uint16_t id;
uint32_t length;
z_off_t start_of_next_chunk;
};
bool get_next_chunk(Chunk &);
void get_next_pulses();
void queue_implicit_bit_pattern(uint32_t length);
void queue_explicit_bit_pattern(uint32_t length);
void queue_integer_gap();
void queue_floating_point_gap();
void queue_carrier_tone();
void queue_carrier_tone_with_dummy();
void queue_security_cycles();
void queue_defined_data(uint32_t length);
void queue_bit(int bit);
void queue_implicit_byte(uint8_t byte);
};
2016-08-27 21:09:45 +00:00
}
}
#endif /* TapeUEF_hpp */