mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-23 03:32:32 +00:00
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
//
|
|
// DMK.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 08/01/2018.
|
|
// Copyright 2018 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#pragma once
|
|
|
|
#include "../DiskImage.hpp"
|
|
#include "../../../FileHolder.hpp"
|
|
|
|
#include <string>
|
|
|
|
namespace Storage::Disk {
|
|
|
|
/*!
|
|
Provides a @c DiskImage containing a DMK disk image: mostly a decoded byte stream, but with
|
|
a record of IDAM locations.
|
|
*/
|
|
class DMK: public DiskImage {
|
|
public:
|
|
/*!
|
|
Construct a @c DMK containing content from the file with name @c file_name.
|
|
|
|
@throws Error::InvalidFormat if this file doesn't appear to be a DMK.
|
|
*/
|
|
DMK(const std::string &file_name);
|
|
|
|
// implemented to satisfy @c Disk
|
|
HeadPosition get_maximum_head_position() final;
|
|
int get_head_count() final;
|
|
bool get_is_read_only() final;
|
|
|
|
std::shared_ptr<::Storage::Disk::Track> get_track_at_position(::Storage::Disk::Track::Address address) final;
|
|
|
|
private:
|
|
FileHolder file_;
|
|
long get_file_offset_for_position(Track::Address address);
|
|
|
|
bool is_read_only_;
|
|
int head_position_count_;
|
|
int head_count_;
|
|
|
|
long track_length_;
|
|
bool is_purely_single_density_;
|
|
};
|
|
|
|
}
|