mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
REFACTOR: Reformat code.
This commit is contained in:
@@ -48,34 +48,27 @@ namespace DiscImageChef.Checksums
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switch(buffer.Length)
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{
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case 2448:
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{
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byte[] subchannel = new byte[96];
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byte[] channel = new byte[2352];
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{
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byte[] subchannel = new byte[96];
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byte[] channel = new byte[2352];
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Array.Copy(buffer, 0, channel, 0, 2352);
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Array.Copy(buffer, 2352, subchannel, 0, 96);
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Array.Copy(buffer, 0, channel, 0, 2352);
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Array.Copy(buffer, 2352, subchannel, 0, 96);
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bool? channelStatus = CheckCDSectorChannel(channel);
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bool? subchannelStatus = CheckCDSectorSubChannel(subchannel);
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bool? status = null;
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bool? channelStatus = CheckCDSectorChannel(channel);
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bool? subchannelStatus = CheckCDSectorSubChannel(subchannel);
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bool? status = null;
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if(channelStatus == null && subchannelStatus == null)
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status = null;
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if(channelStatus == false || subchannelStatus == false)
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status = false;
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if(channelStatus == null && subchannelStatus == true)
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status = true;
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if(channelStatus == true && subchannelStatus == null)
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status = true;
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if(channelStatus == true && subchannelStatus == true)
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status = true;
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if(channelStatus == null && subchannelStatus == null) status = null;
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if(channelStatus == false || subchannelStatus == false) status = false;
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if(channelStatus == null && subchannelStatus == true) status = true;
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if(channelStatus == true && subchannelStatus == null) status = true;
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if(channelStatus == true && subchannelStatus == true) status = true;
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return status;
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}
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case 2352:
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return CheckCDSectorChannel(buffer);
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default:
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return null;
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return status;
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}
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case 2352: return CheckCDSectorChannel(buffer);
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default: return null;
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}
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}
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@@ -92,15 +85,8 @@ namespace DiscImageChef.Checksums
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}
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}
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static bool CheckECC(
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byte[] address,
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byte[] data,
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uint major_count,
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uint minor_count,
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uint major_mult,
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uint minor_inc,
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byte[] ecc
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)
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static bool CheckECC(byte[] address, byte[] data, uint major_count, uint minor_count, uint major_mult,
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uint minor_inc, byte[] ecc)
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{
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uint size = major_count * minor_count;
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uint major;
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@@ -113,31 +99,19 @@ namespace DiscImageChef.Checksums
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for(minor = 0; minor < minor_count; minor++)
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{
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byte temp;
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if(index < 4)
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{
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temp = address[index];
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}
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else
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{
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temp = data[index - 4];
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}
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if(index < 4) { temp = address[index]; }
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else { temp = data[index - 4]; }
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index += minor_inc;
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if(index >= size)
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{
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index -= size;
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}
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if(index >= size) { index -= size; }
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ecc_a ^= temp;
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ecc_b ^= temp;
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ecc_a = ECC_F_Table[ecc_a];
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}
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ecc_a = ECC_B_Table[ECC_F_Table[ecc_a] ^ ecc_b];
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if(
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ecc[major] != (ecc_a) ||
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ecc[major + major_count] != (ecc_a ^ ecc_b))
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{
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return false;
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}
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if(ecc[major] != (ecc_a) || ecc[major + major_count] != (ecc_a ^ ecc_b)) { return false; }
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}
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return true;
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}
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@@ -145,49 +119,44 @@ namespace DiscImageChef.Checksums
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{
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ECCInit();
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if(
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channel[0x000] == 0x00 && // sync (12 bytes)
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channel[0x001] == 0xFF &&
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channel[0x002] == 0xFF &&
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channel[0x003] == 0xFF &&
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channel[0x004] == 0xFF &&
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channel[0x005] == 0xFF &&
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channel[0x006] == 0xFF &&
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channel[0x007] == 0xFF &&
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channel[0x008] == 0xFF &&
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channel[0x009] == 0xFF &&
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channel[0x00A] == 0xFF &&
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channel[0x00B] == 0x00)
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if(channel[0x000] == 0x00 && // sync (12 bytes)
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channel[0x001] == 0xFF && channel[0x002] == 0xFF && channel[0x003] == 0xFF && channel[0x004] == 0xFF &&
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channel[0x005] == 0xFF && channel[0x006] == 0xFF && channel[0x007] == 0xFF && channel[0x008] == 0xFF &&
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channel[0x009] == 0xFF && channel[0x00A] == 0xFF && channel[0x00B] == 0x00)
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{
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DicConsole.DebugWriteLine("CD checksums", "Data sector, address {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums", "Data sector, address {0:X2}:{1:X2}:{2:X2}", channel[0x00C],
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channel[0x00D], channel[0x00E]);
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if(channel[0x00F] == 0x00) // mode (1 byte)
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{
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DicConsole.DebugWriteLine("CD checksums", "Mode 0 sector at address {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums", "Mode 0 sector at address {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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for(int i = 0x010; i < 0x930; i++)
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{
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if(channel[i] != 0x00)
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{
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DicConsole.DebugWriteLine("CD checksums", "Mode 0 sector with error at address: {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 0 sector with error at address: {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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return false;
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}
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}
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return true;
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}
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else if(channel[0x00F] == 0x01) // mode (1 byte)
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{
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DicConsole.DebugWriteLine("CD checksums", "Mode 1 sector at address {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums", "Mode 1 sector at address {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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if(channel[0x814] != 0x00 || // reserved (8 bytes)
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channel[0x815] != 0x00 ||
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channel[0x816] != 0x00 ||
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channel[0x817] != 0x00 ||
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channel[0x818] != 0x00 ||
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channel[0x819] != 0x00 ||
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channel[0x81A] != 0x00 ||
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channel[0x81B] != 0x00)
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channel[0x815] != 0x00 || channel[0x816] != 0x00 || channel[0x817] != 0x00 ||
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channel[0x818] != 0x00 || channel[0x819] != 0x00 || channel[0x81A] != 0x00 ||
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channel[0x81B] != 0x00)
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{
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DicConsole.DebugWriteLine("CD checksums", "Mode 1 sector with data in reserved bytes at address: {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 1 sector with data in reserved bytes at address: {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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return false;
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}
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@@ -207,12 +176,15 @@ namespace DiscImageChef.Checksums
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bool FailedECC_Q = CheckECC(address, data2, 52, 43, 86, 88, ecc_q);
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if(FailedECC_P)
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DicConsole.DebugWriteLine("CD checksums", "Mode 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC P check", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC P check",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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if(FailedECC_Q)
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DicConsole.DebugWriteLine("CD checksums", "Mode 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC Q check", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC Q check",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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if(FailedECC_P || FailedECC_Q)
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return false;
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if(FailedECC_P || FailedECC_Q) return false;
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/* TODO: This is not working
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byte[] SectorForCheck = new byte[0x810];
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@@ -232,13 +204,17 @@ namespace DiscImageChef.Checksums
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}
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else if(channel[0x00F] == 0x02) // mode (1 byte)
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{
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DicConsole.DebugWriteLine("CD checksums", "Mode 2 sector at address {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums", "Mode 2 sector at address {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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if((channel[0x012] & 0x20) == 0x20) // mode 2 form 2
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{
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if(channel[0x010] != channel[0x014] || channel[0x011] != channel[0x015] || channel[0x012] != channel[0x016] || channel[0x013] != channel[0x017])
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if(channel[0x010] != channel[0x014] || channel[0x011] != channel[0x015] ||
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channel[0x012] != channel[0x016] || channel[0x013] != channel[0x017])
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{
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DicConsole.DebugWriteLine("CD checksums", "Subheader copies differ in mode 2 form 2 sector at address: {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Subheader copies differ in mode 2 form 2 sector at address: {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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}
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/* TODO: This is not working
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@@ -257,9 +233,12 @@ namespace DiscImageChef.Checksums
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}
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else
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{
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if(channel[0x010] != channel[0x014] || channel[0x011] != channel[0x015] || channel[0x012] != channel[0x016] || channel[0x013] != channel[0x017])
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if(channel[0x010] != channel[0x014] || channel[0x011] != channel[0x015] ||
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channel[0x012] != channel[0x016] || channel[0x013] != channel[0x017])
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{
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DicConsole.DebugWriteLine("CD checksums", "Subheader copies differ in mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Subheader copies differ in mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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}
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byte[] address = new byte[4];
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@@ -281,12 +260,15 @@ namespace DiscImageChef.Checksums
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bool FailedECC_Q = CheckECC(address, data2, 52, 43, 86, 88, ecc_q);
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if(FailedECC_P)
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DicConsole.DebugWriteLine("CD checksums", "Mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC P check", channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC P check",
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channel[0x00C], channel[0x00D], channel[0x00E]);
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if(FailedECC_Q)
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DicConsole.DebugWriteLine("CD checksums", "Mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC Q check", channel[0x00F], channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Mode 2 form 1 sector at address: {0:X2}:{1:X2}:{2:X2}, fails ECC Q check",
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channel[0x00F], channel[0x00C], channel[0x00D], channel[0x00E]);
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if(FailedECC_P || FailedECC_Q)
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return false;
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if(FailedECC_P || FailedECC_Q) return false;
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/* TODO: This is not working
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byte[] SectorForCheck = new byte[0x808];
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@@ -307,10 +289,13 @@ namespace DiscImageChef.Checksums
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}
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else
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{
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DicConsole.DebugWriteLine("CD checksums", "Unknown mode {0} sector at address: {1:X2}:{2:X2}:{3:X2}", channel[0x00F], channel[0x00C], channel[0x00D], channel[0x00E]);
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DicConsole.DebugWriteLine("CD checksums",
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"Unknown mode {0} sector at address: {1:X2}:{2:X2}:{3:X2}",
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channel[0x00F], channel[0x00C], channel[0x00D], channel[0x00E]);
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return null;
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}
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}
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return null;
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}
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@@ -328,8 +313,7 @@ namespace DiscImageChef.Checksums
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byte[] CDSubRWPack4 = new byte[24];
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int i = 0;
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for(int j = 0; j < 12; j++)
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QSubChannel[j] = 0;
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for(int j = 0; j < 12; j++) QSubChannel[j] = 0;
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for(int j = 0; j < 18; j++)
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{
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CDTextPack1[j] = 0;
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@@ -360,82 +344,46 @@ namespace DiscImageChef.Checksums
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i = 0;
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for(int j = 0; j < 18; j++)
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{
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x3F) << 2));
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j++] | ((subchannel[i] & 0xC0) >> 4));
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x0F) << 4));
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j++] | ((subchannel[i] & 0x3C) >> 2));
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x03) << 6));
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if(j < 18)
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CDTextPack1[j] = (byte)(CDTextPack1[j] | (subchannel[i++] & 0x3F));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x3F) << 2));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j++] | ((subchannel[i] & 0xC0) >> 4));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x0F) << 4));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j++] | ((subchannel[i] & 0x3C) >> 2));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j] | ((subchannel[i++] & 0x03) << 6));
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if(j < 18) CDTextPack1[j] = (byte)(CDTextPack1[j] | (subchannel[i++] & 0x3F));
|
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}
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for(int j = 0; j < 18; j++)
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{
|
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if(j < 18)
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CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x3F) << 2));
|
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if(j < 18)
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CDTextPack2[j] = (byte)(CDTextPack2[j++] | ((subchannel[i] & 0xC0) >> 4));
|
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if(j < 18)
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CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x0F) << 4));
|
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if(j < 18)
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CDTextPack2[j] = (byte)(CDTextPack2[j++] | ((subchannel[i] & 0x3C) >> 2));
|
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if(j < 18)
|
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CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x03) << 6));
|
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if(j < 18)
|
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CDTextPack2[j] = (byte)(CDTextPack2[j] | (subchannel[i++] & 0x3F));
|
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x3F) << 2));
|
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j++] | ((subchannel[i] & 0xC0) >> 4));
|
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x0F) << 4));
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j++] | ((subchannel[i] & 0x3C) >> 2));
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j] | ((subchannel[i++] & 0x03) << 6));
|
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if(j < 18) CDTextPack2[j] = (byte)(CDTextPack2[j] | (subchannel[i++] & 0x3F));
|
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}
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for(int j = 0; j < 18; j++)
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{
|
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if(j < 18)
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CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x3F) << 2));
|
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if(j < 18)
|
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CDTextPack3[j] = (byte)(CDTextPack3[j++] | ((subchannel[i] & 0xC0) >> 4));
|
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if(j < 18)
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CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x0F) << 4));
|
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if(j < 18)
|
||||
CDTextPack3[j] = (byte)(CDTextPack3[j++] | ((subchannel[i] & 0x3C) >> 2));
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if(j < 18)
|
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CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x03) << 6));
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if(j < 18)
|
||||
CDTextPack3[j] = (byte)(CDTextPack3[j] | (subchannel[i++] & 0x3F));
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if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x3F) << 2));
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||||
if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j++] | ((subchannel[i] & 0xC0) >> 4));
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||||
if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x0F) << 4));
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||||
if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j++] | ((subchannel[i] & 0x3C) >> 2));
|
||||
if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j] | ((subchannel[i++] & 0x03) << 6));
|
||||
if(j < 18) CDTextPack3[j] = (byte)(CDTextPack3[j] | (subchannel[i++] & 0x3F));
|
||||
}
|
||||
for(int j = 0; j < 18; j++)
|
||||
{
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x3F) << 2));
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j++] | ((subchannel[i] & 0xC0) >> 4));
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x0F) << 4));
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j++] | ((subchannel[i] & 0x3C) >> 2));
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x03) << 6));
|
||||
if(j < 18)
|
||||
CDTextPack4[j] = (byte)(CDTextPack4[j] | (subchannel[i++] & 0x3F));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x3F) << 2));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j++] | ((subchannel[i] & 0xC0) >> 4));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x0F) << 4));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j++] | ((subchannel[i] & 0x3C) >> 2));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j] | ((subchannel[i++] & 0x03) << 6));
|
||||
if(j < 18) CDTextPack4[j] = (byte)(CDTextPack4[j] | (subchannel[i++] & 0x3F));
|
||||
}
|
||||
|
||||
i = 0;
|
||||
for(int j = 0; j < 24; j++)
|
||||
{
|
||||
CDSubRWPack1[j] = (byte)(subchannel[i++] & 0x3F);
|
||||
}
|
||||
for(int j = 0; j < 24; j++)
|
||||
{
|
||||
CDSubRWPack2[j] = (byte)(subchannel[i++] & 0x3F);
|
||||
}
|
||||
for(int j = 0; j < 24; j++)
|
||||
{
|
||||
CDSubRWPack3[j] = (byte)(subchannel[i++] & 0x3F);
|
||||
}
|
||||
for(int j = 0; j < 24; j++)
|
||||
{
|
||||
CDSubRWPack4[j] = (byte)(subchannel[i++] & 0x3F);
|
||||
}
|
||||
for(int j = 0; j < 24; j++) { CDSubRWPack1[j] = (byte)(subchannel[i++] & 0x3F); }
|
||||
for(int j = 0; j < 24; j++) { CDSubRWPack2[j] = (byte)(subchannel[i++] & 0x3F); }
|
||||
for(int j = 0; j < 24; j++) { CDSubRWPack3[j] = (byte)(subchannel[i++] & 0x3F); }
|
||||
for(int j = 0; j < 24; j++) { CDSubRWPack4[j] = (byte)(subchannel[i++] & 0x3F); }
|
||||
|
||||
switch(CDSubRWPack1[0])
|
||||
{
|
||||
@@ -461,7 +409,10 @@ namespace DiscImageChef.Checksums
|
||||
DicConsole.DebugWriteLine("CD checksums", "Detected User Pack in subchannel");
|
||||
break;
|
||||
default:
|
||||
DicConsole.DebugWriteLine("CD checksums", "Detected unknown Pack type in subchannel: mode {0}, item {1}", Convert.ToString(CDSubRWPack1[0] & 0x38, 2), Convert.ToString(CDSubRWPack1[0] & 0x07, 2));
|
||||
DicConsole.DebugWriteLine("CD checksums",
|
||||
"Detected unknown Pack type in subchannel: mode {0}, item {1}",
|
||||
Convert.ToString(CDSubRWPack1[0] & 0x38, 2),
|
||||
Convert.ToString(CDSubRWPack1[0] & 0x07, 2));
|
||||
break;
|
||||
}
|
||||
|
||||
@@ -474,7 +425,8 @@ namespace DiscImageChef.Checksums
|
||||
|
||||
if(QSubChannelCRC != CalculatedQCRC)
|
||||
{
|
||||
DicConsole.DebugWriteLine("CD checksums", "Q subchannel CRC 0x{0:X4}, expected 0x{1:X4}", CalculatedQCRC, QSubChannelCRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Q subchannel CRC 0x{0:X4}, expected 0x{1:X4}",
|
||||
CalculatedQCRC, QSubChannelCRC);
|
||||
status = false;
|
||||
}
|
||||
|
||||
@@ -487,7 +439,8 @@ namespace DiscImageChef.Checksums
|
||||
|
||||
if(CDTextPack1CRC != CalculatedCDTP1CRC && CDTextPack1CRC != 0)
|
||||
{
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 1 CRC 0x{0:X4}, expected 0x{1:X4}", CDTextPack1CRC, CalculatedCDTP1CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 1 CRC 0x{0:X4}, expected 0x{1:X4}",
|
||||
CDTextPack1CRC, CalculatedCDTP1CRC);
|
||||
status = false;
|
||||
}
|
||||
}
|
||||
@@ -498,11 +451,13 @@ namespace DiscImageChef.Checksums
|
||||
byte[] CDTextPack2ForCRC = new byte[16];
|
||||
Array.Copy(CDTextPack2, 0, CDTextPack2ForCRC, 0, 16);
|
||||
ushort CalculatedCDTP2CRC = CalculateCCITT_CRC16(CDTextPack2ForCRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP2 0x{0:X4}, Calc CDTP2 0x{1:X4}", CDTextPack2CRC, CalculatedCDTP2CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP2 0x{0:X4}, Calc CDTP2 0x{1:X4}", CDTextPack2CRC,
|
||||
CalculatedCDTP2CRC);
|
||||
|
||||
if(CDTextPack2CRC != CalculatedCDTP2CRC && CDTextPack2CRC != 0)
|
||||
{
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 2 CRC 0x{0:X4}, expected 0x{1:X4}", CDTextPack2CRC, CalculatedCDTP2CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 2 CRC 0x{0:X4}, expected 0x{1:X4}",
|
||||
CDTextPack2CRC, CalculatedCDTP2CRC);
|
||||
status = false;
|
||||
}
|
||||
}
|
||||
@@ -513,11 +468,13 @@ namespace DiscImageChef.Checksums
|
||||
byte[] CDTextPack3ForCRC = new byte[16];
|
||||
Array.Copy(CDTextPack3, 0, CDTextPack3ForCRC, 0, 16);
|
||||
ushort CalculatedCDTP3CRC = CalculateCCITT_CRC16(CDTextPack3ForCRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP3 0x{0:X4}, Calc CDTP3 0x{1:X4}", CDTextPack3CRC, CalculatedCDTP3CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP3 0x{0:X4}, Calc CDTP3 0x{1:X4}", CDTextPack3CRC,
|
||||
CalculatedCDTP3CRC);
|
||||
|
||||
if(CDTextPack3CRC != CalculatedCDTP3CRC && CDTextPack3CRC != 0)
|
||||
{
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 3 CRC 0x{0:X4}, expected 0x{1:X4}", CDTextPack3CRC, CalculatedCDTP3CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 3 CRC 0x{0:X4}, expected 0x{1:X4}",
|
||||
CDTextPack3CRC, CalculatedCDTP3CRC);
|
||||
status = false;
|
||||
}
|
||||
}
|
||||
@@ -528,11 +485,13 @@ namespace DiscImageChef.Checksums
|
||||
byte[] CDTextPack4ForCRC = new byte[16];
|
||||
Array.Copy(CDTextPack4, 0, CDTextPack4ForCRC, 0, 16);
|
||||
ushort CalculatedCDTP4CRC = CalculateCCITT_CRC16(CDTextPack4ForCRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP4 0x{0:X4}, Calc CDTP4 0x{1:X4}", CDTextPack4CRC, CalculatedCDTP4CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP4 0x{0:X4}, Calc CDTP4 0x{1:X4}", CDTextPack4CRC,
|
||||
CalculatedCDTP4CRC);
|
||||
|
||||
if(CDTextPack4CRC != CalculatedCDTP4CRC && CDTextPack4CRC != 0)
|
||||
{
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 4 CRC 0x{0:X4}, expected 0x{1:X4}", CDTextPack4CRC, CalculatedCDTP4CRC);
|
||||
DicConsole.DebugWriteLine("CD checksums", "CD-Text Pack 4 CRC 0x{0:X4}, expected 0x{1:X4}",
|
||||
CDTextPack4CRC, CalculatedCDTP4CRC);
|
||||
status = false;
|
||||
}
|
||||
}
|
||||
@@ -542,38 +501,26 @@ namespace DiscImageChef.Checksums
|
||||
|
||||
static readonly ushort[] CCITT_CRC16Table =
|
||||
{
|
||||
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
|
||||
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
|
||||
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
|
||||
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
|
||||
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
|
||||
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
|
||||
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
|
||||
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
|
||||
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
|
||||
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
|
||||
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
|
||||
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
|
||||
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
|
||||
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
|
||||
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
|
||||
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
|
||||
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
|
||||
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
|
||||
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
|
||||
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
|
||||
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
|
||||
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
|
||||
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
|
||||
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
|
||||
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
|
||||
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
|
||||
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
|
||||
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
|
||||
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
|
||||
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
|
||||
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
|
||||
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
||||
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c,
|
||||
0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318,
|
||||
0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4,
|
||||
0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630,
|
||||
0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4,
|
||||
0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969,
|
||||
0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf,
|
||||
0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
|
||||
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13,
|
||||
0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9,
|
||||
0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046,
|
||||
0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2,
|
||||
0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2,
|
||||
0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e,
|
||||
0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e,
|
||||
0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
|
||||
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1,
|
||||
0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07,
|
||||
0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9,
|
||||
0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
||||
};
|
||||
|
||||
static ushort CalculateCCITT_CRC16(byte[] buffer)
|
||||
@@ -583,10 +530,10 @@ namespace DiscImageChef.Checksums
|
||||
{
|
||||
CRC16 = (ushort)(CCITT_CRC16Table[(CRC16 >> 8) ^ buffer[i]] ^ (CRC16 << 8));
|
||||
}
|
||||
|
||||
CRC16 = (ushort)~CRC16;
|
||||
|
||||
return CRC16;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user