mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
Clean up code IMD imagereader
This commit is contained in:
wybren1971
@@ -63,86 +63,6 @@ struct TrackHeader
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uint8_t SectorSize;
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};
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// static std::string copytostring(std::vector<unsigned char> tocopy)
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// {
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// std::string result;
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// for (int i = 0; i< tocopy.size(); i++)
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// {
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// result.push_back(tocopy[i]);
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// // Logger() << "IMD DEBUG: sector map:" << fmt::format("{}", tocopy[i]);
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// }
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// Logger() << "IMD DEBUG: sector map:" << fmt::format("{}", result);
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// return result;
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// }
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static uint8_t setsectorskew(int sectornumber)
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{//IMD lets the sector map start with 1 so everything we read in the sectormap has to be 1 less for fluxengine
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switch (sectornumber)
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{
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case 0:
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return '0';
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break;
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case 1:
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return '1';
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break;
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case 2:
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return '2';
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break;
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case 3:
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return '3';
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break;
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case 4:
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return '4';
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break;
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case 5:
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return '5';
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break;
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case 6:
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return '6';
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break;
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case 7:
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return '7';
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break;
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case 8:
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return '8';
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break;
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case 9:
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return '9';
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break;
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case 10:
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return 'a';
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break;
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case 11:
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return 'b';
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break;
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case 12:
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return 'c';
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break;
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case 13:
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return 'd';
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break;
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case 14:
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return 'e';
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break;
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case 15:
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return 'f';
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break;
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case 16:
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return 'g';
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break;
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case 17:
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return 'h';
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break;
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case 18:
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return 'i';
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break;
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}
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Error() << fmt::format("IMD: Sector skew {} not in standard range (0-17).", sectornumber);
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}
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static unsigned getSectorSize(uint8_t flags)
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{
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switch (flags)
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@@ -210,16 +130,13 @@ public:
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unsigned headerPtr = 0;
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unsigned Modulation_Speed = 0;
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unsigned sectorSize = 0;
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//std::string sector_skew;
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std::string sector_skew;
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// sector_skew.clear();
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int b;
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std::string comment;
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bool blnOptionalCylinderMap = false;
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bool blnOptionalHeadMap = false;
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bool blnBase0 = false;
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// unsigned char comment[8192]; //i choose a fixed value. dont know how to make dynamic arrays in C++. This should be enough
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int trackSectorSize = -1;
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// Read comment
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comment.clear();
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while ((b = br.read_8()) != EOF && b != END_OF_FILE)
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@@ -228,9 +145,6 @@ public:
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n++;
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}
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headerPtr = n; //set pointer to after comment
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// comment[n] = '\0'; // null-terminate the string
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//write comment to screen
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// Logger() << fmt::format("IMD: comment: {}", comment);
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Logger() << "Comment in IMD file:"
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<< fmt::format("{}",
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comment);
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@@ -283,40 +197,35 @@ public:
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header.Head = header.Head^SEC_HEAD_MAP_FLAG; //remove flag 01000001 ^ 01000001 = 00000001 and 01000000 ^ 0100000 = 00000000 for writing sector head later
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}
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//read sector numbering map
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// std::vector<unsigned> sector_map(header.numSectors);
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blnBase0 = false;
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sector_skew.clear();
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uint8_t t_low = 1;
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uint8_t t_high = 1;
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for (b = 0; b < header.numSectors; b++)
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{
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uint8_t t;
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t = br.read_8();
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// Logger() << "IMD DEBUG: t:" << fmt::format(" {0:d}", t);
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if (t < t_low) t_low = t;
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if (t > t_high) t_high = t;
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// if (t == 0) blnBase0 = true;
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sector_skew.push_back(setsectorskew(t));
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sector_skew.push_back(t);
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headerPtr++;
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// sector_map[b] = b;
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}
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// for (int i = 0; i < header.numSectors; i++)
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// {
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// Logger() << "IMD DEBUG: sector map:", sector_skew[1];
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// }
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auto ibm = config.mutable_encoder()->mutable_ibm();
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// if (!config.drive().has_rotational_period_ms())
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// config.mutable_drive()->set_rotational_period_ms(200);
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auto trackdata = ibm->add_trackdata();
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trackdata->set_target_clock_period_us(1e3 / Modulation_Speed);
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trackdata->set_target_rotational_period_ms(200);
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//trackdata->sector_range().max_sector()=t_high;
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trackdata->set_use_fm(fm);
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//trackdata->set_allocated_sector_range(_IbmDecoderProto_TrackdataProto_SectorRangeProto_default_instance_)
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if (trackSectorSize < 0)
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{
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trackSectorSize = sectorSize;
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// this is the first sector we've read, use it settings for
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// per-track data
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trackdata->set_track(header.track);
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trackdata->set_head(header.Head);
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trackdata->set_sector_size(sectorSize);
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trackdata->set_use_fm(fm);
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}
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else if (trackSectorSize != sectorSize)
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{
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Error() << "IMD: multiple sector sizes per track are "
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"currently unsupported";
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}
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auto sectors = trackdata->mutable_sectors();
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//read the sectors
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@@ -324,31 +233,10 @@ public:
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{
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Bytes sectordata;
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Bytes compressed(sectorSize);
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unsigned int SectorID;
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switch (sector_skew[s])
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{
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case '0': SectorID = 0; break;
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case '1': SectorID = 1; break;
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case '2': SectorID = 2; break;
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case '3': SectorID = 3; break;
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case '4': SectorID = 4; break;
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case '5': SectorID = 5; break;
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case '6': SectorID = 6; break;
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case '7': SectorID = 7; break;
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case '8': SectorID = 8; break;
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case '9': SectorID = 9; break;
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case 'a': SectorID = 10; break;
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case 'b': SectorID = 11; break;
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case 'c': SectorID = 12; break;
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case 'd': SectorID = 13; break;
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case 'e': SectorID = 14; break;
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case 'f': SectorID = 15; break;
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case 'g': SectorID = 16; break;
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case 'h': SectorID = 17; break;
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case 'i': SectorID = 18;
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}
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// const auto& sector = image->put(header.track, header.Head, sector_map[s]);
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int SectorID;
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SectorID = sector_skew[s];
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const auto& sector = image->put(header.track, header.Head, SectorID);
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sector->logicalSector = SectorID;
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//read the status of the sector
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unsigned int Status_Sector = br.read_8();
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headerPtr++;
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@@ -458,14 +346,11 @@ public:
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//The Sector Cylinder Map has one entry for each sector, and contains the logical Cylinder ID for the corresponding sector in the Sector Numbering Map.
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{
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sector->physicalTrack = Mapper::remapTrackLogicalToPhysical(header.track);
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//sector->physicalTrack = header.track;
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sector->logicalTrack = optionalsector_map[s];
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blnOptionalCylinderMap = false;
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}
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else
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{
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//sector->logicalTrack = sector->physicalTrack = header.track;
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sector->logicalTrack = header.track;
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sector->physicalTrack = Mapper::remapTrackLogicalToPhysical(header.track);
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}
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@@ -481,13 +366,11 @@ public:
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sector->logicalSide = header.Head;
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sector->physicalHead = header.Head;
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}
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sector->logicalSector = SectorID;
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}
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}
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if (config.encoder().format_case() !=
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EncoderProto::FormatCase::FORMAT_NOT_SET)
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if (config.encoder().format_case() != EncoderProto::FormatCase::FORMAT_NOT_SET)
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Logger() << "IMD: overriding configured format";
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@@ -498,10 +381,10 @@ public:
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Logger() << "IMD: read "
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<< fmt::format("{} tracks, {} heads; {}; {} kbps; {} sectoren; sectorsize {}; sectormap {}; {} kB total.",
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<< fmt::format("{} tracks, {} heads; {}; {} kbps; {} sectoren; sectorsize {}; {} kB total.",
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header.track + 1, header.Head + 1,
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fm ? "FM" : "MFM",
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Modulation_Speed, header.numSectors, sectorSize, sector_skew, (header.track+1) * trackSize / 1024);
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Modulation_Speed, header.numSectors, sectorSize, (header.track+1) * trackSize / 1024);
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if (!config.has_heads())
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{
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@@ -516,10 +399,6 @@ public:
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tracks->set_start(0);
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tracks->set_end(geometry.numTracks - 1);
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}
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if (!config.has_sector_mapping())
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{
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}
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return image;
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