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Add support for negative sectors to read and write sector calls in images.

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This commit is contained in:
Natalia Portillo
2025-10-23 03:07:43 +01:00
parent 0c19fe1b11
commit 69738f5f1a
289 changed files with 2676 additions and 1352 deletions
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14
Aaru.Images/WCDiskImage/Read.cs
View File

@@ -178,8 +178,13 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSector(ulong sectorAddress, bool negative, out byte[] buffer, out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.NotDumped;
buffer = null;
if(negative) return ErrorNumber.NotSupported;
int sectorNumber = (int)(sectorAddress % _imageInfo.SectorsPerTrack) + 1;
var trackNumber = (int)(sectorAddress / _imageInfo.SectorsPerTrack);
int headNumber = _imageInfo.Heads > 1 ? trackNumber % 2 : 0;
@@ -219,11 +224,14 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSectors(ulong sectorAddress, uint length, out byte[] buffer, out SectorStatus[] sectorStatus)
public ErrorNumber ReadSectors(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
if(sectorAddress > _imageInfo.Sectors - 1) return ErrorNumber.OutOfRange;
if(sectorAddress + length > _imageInfo.Sectors) return ErrorNumber.OutOfRange;
@@ -233,7 +241,7 @@ public sealed partial class WCDiskImage
for(uint i = 0; i < length; i++)
{
ErrorNumber errno = ReadSector(sectorAddress + i, out byte[] sector, out SectorStatus status);
ErrorNumber errno = ReadSector(sectorAddress + i, false, out byte[] sector, out SectorStatus status);
if(errno != ErrorNumber.NoError) return errno;

10
Aaru.Images/WCDiskImage/Unsupported.cs
View File

@@ -49,7 +49,7 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSectorTag(ulong sectorAddress, SectorTagType tag, out byte[] buffer)
public ErrorNumber ReadSectorTag(ulong sectorAddress, bool negative, SectorTagType tag, out byte[] buffer)
{
buffer = null;
@@ -57,7 +57,8 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag, out byte[] buffer)
public ErrorNumber ReadSectorsTag(ulong sectorAddress, bool negative, uint length, SectorTagType tag,
out byte[] buffer)
{
buffer = null;
@@ -65,7 +66,8 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSectorLong(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSectorLong(ulong sectorAddress, bool negative, out byte[] buffer,
out SectorStatus sectorStatus)
{
buffer = null;
sectorStatus = SectorStatus.NotDumped;
@@ -74,7 +76,7 @@ public sealed partial class WCDiskImage
}
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer,
public ErrorNumber ReadSectorsLong(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;