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CLK/Storage/Disk/Encodings/MFM/Sector.hpp
2018-05-13 15:34:31 -04:00

62 lines
1.4 KiB
C++

//
// Sector.hpp
// Clock Signal
//
// Created by Thomas Harte on 24/09/2017.
// Copyright 2017 Thomas Harte. All rights reserved.
//
#ifndef Sector_h
#define Sector_h
#include <cstdint>
#include <vector>
namespace Storage {
namespace Encodings {
namespace MFM {
/*!
Represents a single [M]FM sector, identified by its track, side and sector records, a blob of data
and a few extra flags of metadata.
*/
struct Sector {
/*!
Describes the location of a sector, implementing < to allow for use as a set key.
*/
struct Address {
uint8_t track = 0, side = 0, sector = 0;
bool operator < (const Address &rhs) const {
return ((track << 24) | (side << 8) | sector) < ((rhs.track << 24) | (rhs.side << 8) | rhs.sector);
}
};
Address address;
uint8_t size = 0; // Size is stored in ordinary MFM form: the number of bytes included in this sector
// is 2^(7 + size), or 128 << size.
// Multiple samplings of the underlying data are accepted, to allow weak and fuzzy data to be communicated.
std::vector<std::vector<uint8_t>> samples;
bool has_data_crc_error = false;
bool has_header_crc_error = false;
bool is_deleted = false;
Sector() noexcept {}
Sector(const Sector &&rhs) noexcept :
address(rhs.address),
size(rhs.size),
samples(std::move(rhs.samples)),
has_data_crc_error(rhs.has_data_crc_error),
has_header_crc_error(rhs.has_header_crc_error),
is_deleted(rhs.is_deleted ){}
};
}
}
}
#endif /* Sector_h */