mirror of https://github.com/TomHarte/CLK.git
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
//
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// Sector.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 04/05/2018.
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// Copyright 2018 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include <cstdint>
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#include <vector>
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namespace Storage::Encodings::AppleGCR {
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struct Sector {
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/*!
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Describes the location of a sector, implementing < to allow for use as a set key.
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*/
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struct Address {
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union {
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/// For Apple II-type sectors, provides the volume number.
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uint_fast8_t volume;
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/// For Macintosh-type sectors, provides the format from the sector header.
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uint_fast8_t format = 0;
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};
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uint_fast8_t track = 0;
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uint_fast8_t sector = 0;
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/// Filled in for Macintosh sectors only; always @c false for Apple II sectors.
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bool is_side_two = false;
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bool operator < (const Address &rhs) const {
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return (
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((is_side_two ? 1 : 0) << 24) |
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(volume << 16) |
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(track << 8) |
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sector
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) < (
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((rhs.is_side_two ? 1 : 0) << 24) |
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(rhs.volume << 16) |
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(rhs.track << 8) |
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rhs.sector
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);
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}
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};
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Address address;
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std::vector<uint8_t> data;
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bool has_data_checksum_error = false;
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bool has_header_checksum_error = false;
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enum class Encoding {
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FiveAndThree, SixAndTwo, Macintosh
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};
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Encoding encoding = Encoding::SixAndTwo;
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Sector() = default;
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Sector(Sector &&rhs) :
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address(rhs.address),
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data(std::move(rhs.data)),
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has_data_checksum_error(rhs.has_data_checksum_error),
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has_header_checksum_error(rhs.has_header_checksum_error),
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encoding(rhs.encoding) {}
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Sector(const Sector &rhs) :
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address(rhs.address),
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data(rhs.data),
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has_data_checksum_error(rhs.has_data_checksum_error),
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has_header_checksum_error(rhs.has_header_checksum_error),
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encoding(rhs.encoding) {}
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};
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}
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