Method decodeSectorRecord

arch/smaky6/decoder.cc:113–143

    }

    void decodeSectorRecord() override
    {
        readRawBits(33);
        const auto& rawbits = readRawBits(SMAKY6_RECORD_SIZE * 16);
        if (rawbits.size() < SMAKY6_SECTOR_SIZE)
            return;
        const auto& rawbytes =
            toBytes(rawbits).slice(0, SMAKY6_RECORD_SIZE * 16);

        /* The Smaky bytes are stored backwards! Backwards! */

        const auto& bytes =
            decodeFmMfm(rawbits).slice(0, SMAKY6_RECORD_SIZE).reverseBits();
        ByteReader br(bytes);

        uint8_t track = br.read_8();
        Bytes data = br.read(SMAKY6_SECTOR_SIZE);
        uint8_t wantedChecksum = br.read_8();
        uint8_t gotChecksum = sumBytes(data) & 0xff;

        if (track != _ltl->logicalCylinder)
            return;

        _sector->logicalCylinder = _ltl->physicalCylinder;
        _sector->logicalHead = _ltl->logicalHead;
        _sector->logicalSector = _sectorId;

        _sector->data = data;
        _sector->status =
            (wantedChecksum == gotChecksum) ? Sector::OK : Sector::BAD_CHECKSUM;
    }

private:
    const Smaky6DecoderProto& _config;