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CLK/Storage/Disk/Encodings/MFM.hpp

46 lines
1.4 KiB
C++

//
// MFM.hpp
// Clock Signal
//
// Created by Thomas Harte on 18/09/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef Storage_Disk_Encodings_MFM_hpp
#define Storage_Disk_Encodings_MFM_hpp
#include <cstdint>
#include <vector>
#include "../Disk.hpp"
namespace Storage {
namespace Encodings {
namespace MFM {
const uint16_t FMIndexAddressMark = 0xf77a; // data 0xfc, with clock 0xd7 => 1111 1100 with clock 1101 0111 => 1111 0111 0111 1010
const uint16_t FMIDAddressMark = 0xf57e; // data 0xfe, with clock 0xc7 => 1111 1110 with clock 1100 0111 => 1111 0101 0111 1110
const uint16_t FMDataAddressMark = 0xf56f; // data 0xfb, with clock 0xc7 => 1111 1011 with clock 1100 0111 => 1111 0101 0110 1111
const uint16_t FMDeletedDataAddressMark = 0xf56a; // data 0xf8, with clock 0xc7 => 1111 1000 with clock 1100 0111 => 1111 0101 0110 1010
const uint16_t MFMIndexAddressMark = 0x5224;
const uint16_t MFMAddressMark = 0x4489;
const uint8_t MFMIndexAddressByte = 0xfc;
const uint8_t MFMIDAddressByte = 0xfe;
const uint8_t MFMDataAddressByte = 0xfb;
const uint8_t MFMDeletedDataAddressByte = 0xf8;
struct Sector {
uint8_t track, side, sector;
std::vector<uint8_t> data;
};
std::shared_ptr<Storage::Disk::Track> GetMFMTrackWithSectors(const std::vector<Sector> &sectors);
std::shared_ptr<Storage::Disk::Track> GetFMTrackWithSectors(const std::vector<Sector> &sectors);
}
}
}
#endif /* MFM_hpp */