mirror of
https://github.com/TomHarte/CLK.git
synced 2024-08-16 16:28:59 +00:00
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
//
|
|
// CPCDSK.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 05/08/2017.
|
|
// Copyright © 2017 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef CPCDSK_hpp
|
|
#define CPCDSK_hpp
|
|
|
|
#include "../DiskImage.hpp"
|
|
#include "../../../FileHolder.hpp"
|
|
#include "../../Encodings/MFM/Sector.hpp"
|
|
|
|
#include <vector>
|
|
|
|
namespace Storage {
|
|
namespace Disk {
|
|
|
|
/*!
|
|
Provies a @c Disk containing an Amstrad CPC-stype disk image — some arrangement of sectors with status bits.
|
|
*/
|
|
class CPCDSK: public DiskImage {
|
|
public:
|
|
/*!
|
|
Construct an @c AcornADF containing content from the file with name @c file_name.
|
|
|
|
@throws ErrorCantOpen if this file can't be opened.
|
|
@throws ErrorNotAcornADF if the file doesn't appear to contain an Acorn .ADF format image.
|
|
*/
|
|
CPCDSK(const char *file_name);
|
|
|
|
enum {
|
|
ErrorNotCPCDSK,
|
|
};
|
|
|
|
// implemented to satisfy @c Disk
|
|
int get_head_position_count() override;
|
|
int get_head_count() override;
|
|
bool get_is_read_only() override;
|
|
|
|
void set_tracks(const std::map<Track::Address, std::shared_ptr<Track>> &tracks) override;
|
|
std::shared_ptr<::Storage::Disk::Track> get_track_at_position(::Storage::Disk::Track::Address address) override;
|
|
|
|
private:
|
|
struct Track {
|
|
uint8_t track;
|
|
uint8_t side;
|
|
enum class DataRate {
|
|
Unknown, SingleOrDoubleDensity, HighDensity, ExtendedDensity
|
|
} data_rate;
|
|
enum class DataEncoding {
|
|
Unknown, FM, MFM
|
|
} data_encoding;
|
|
uint8_t sector_length;
|
|
uint8_t gap3_length;
|
|
uint8_t filler_byte;
|
|
|
|
struct Sector: public ::Storage::Encodings::MFM::Sector {
|
|
uint8_t fdc_status1;
|
|
uint8_t fdc_status2;
|
|
};
|
|
|
|
std::vector<Sector> sectors;
|
|
};
|
|
std::string file_name_;
|
|
std::vector<std::unique_ptr<Track>> tracks_;
|
|
size_t index_for_track(::Storage::Disk::Track::Address address);
|
|
|
|
int head_count_;
|
|
int head_position_count_;
|
|
bool is_extended_;
|
|
bool is_read_only_;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
|
|
#endif /* CPCDSK_hpp */
|