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Detect PC-Engine discs on media info.

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This commit is contained in:
Natalia Portillo
2018-09-11 23:28:49 +01:00
parent 946b19dc15
commit 33674349b0
2 changed files with 61 additions and 6 deletions
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66
DiscImageChef.Core/Media/Info/ScsiInfo.cs
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@@ -71,6 +71,11 @@ namespace DiscImageChef.Core.Media.Info
{
0x43, 0x4F, 0x50, 0x59, 0x52, 0x49, 0x47, 0x48, 0x54, 0x20, 0x42, 0x41, 0x4E, 0x44, 0x41, 0x49
};
static readonly byte[] PcEngineSignature =
{
0x50, 0x43, 0x20, 0x45, 0x6E, 0x67, 0x69, 0x6E, 0x65, 0x20, 0x43, 0x44, 0x2D, 0x52, 0x4F, 0x4D, 0x20,
0x53, 0x59, 0x53, 0x54, 0x45, 0x4D
};
public ScsiInfo(Device dev)
{
@@ -78,10 +83,11 @@ namespace DiscImageChef.Core.Media.Info
MediaType = MediaType.Unknown;
MediaInserted = false;
int resets = 0;
uint startOfFirstDataTrack = uint.MaxValue;
bool sense;
byte[] cmdBuf;
byte[] senseBuf;
int resets = 0;
bool containsFloppyPage;
if(dev.IsRemovable)
@@ -953,6 +959,8 @@ namespace DiscImageChef.Core.Media.Info
if((TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrack ||
(TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrackIncremental)
{
if(track.TrackStartAddress < startOfFirstDataTrack)
startOfFirstDataTrack = track.TrackStartAddress;
hasDataTrack = true;
allFirstSessionTracksAreAudio &= track.TrackNumber >= firstTrackLastSession;
}
@@ -1211,11 +1219,12 @@ namespace DiscImageChef.Core.Media.Info
if(DeviceInfo.ScsiType != PeripheralDeviceTypes.MultiMediaDevice) return;
byte[] sector0 = null;
byte[] sector1 = null;
byte[] ps2BootSectors = null;
byte[] playdia1 = null;
byte[] playdia2 = null;
byte[] sector0 = null;
byte[] sector1 = null;
byte[] ps2BootSectors = null;
byte[] playdia1 = null;
byte[] playdia2 = null;
byte[] secondDataSectorNotZero = null;
switch(MediaType)
{
@@ -1264,6 +1273,19 @@ namespace DiscImageChef.Core.Media.Info
Array.Copy(cmdBuf, 24, playdia2, 0, 2048);
}
if(startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, startOfFirstDataTrack + 1, 2352, 1,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if(!sense && !dev.Error)
{
secondDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 16, secondDataSectorNotZero, 0, 2048);
}
}
MemoryStream ps2Ms = new MemoryStream();
for(uint p = 0; p < 12; p++)
{
@@ -1319,6 +1341,19 @@ namespace DiscImageChef.Core.Media.Info
Array.Copy(cmdBuf, 0, playdia2, 0, 2048);
}
if(startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, startOfFirstDataTrack + 1, 2324, 1,
MmcSectorTypes.Mode2, false, false, true, MmcHeaderCodes.None, true,
true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if(!sense && !dev.Error)
{
secondDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 0, secondDataSectorNotZero, 0, 2048);
}
}
MemoryStream ps2Ms = new MemoryStream();
for(uint p = 0; p < 12; p++)
{
@@ -1354,6 +1389,16 @@ namespace DiscImageChef.Core.Media.Info
MmcSubchannel.None, dev.Timeout, out _);
if(!sense && !dev.Error) ps2BootSectors = cmdBuf;
if(startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, startOfFirstDataTrack + 1, 2048, 1,
MmcSectorTypes.Mode1, false, false, true, MmcHeaderCodes.None,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout,
out _);
if(!sense && !dev.Error) secondDataSectorNotZero = cmdBuf;
}
}
else goto case MediaType.DVDROM;
}
@@ -1480,6 +1525,7 @@ namespace DiscImageChef.Core.Media.Info
case MediaType.CDROM:
case MediaType.CDROMXA:
// TODO: CDTV requires reading the filesystem, searching for a file called "/CDTV.TM"
// TODO: Neo-Geo CD requires reading the filesystem and checking that the file "/IPL.TXT" is correct
{
if(CD.DecodeIPBin(sector0).HasValue)
{
@@ -1526,6 +1572,14 @@ namespace DiscImageChef.Core.Media.Info
MediaType = MediaType.Playdia;
}
if(secondDataSectorNotZero != null)
{
byte[] pce = new byte[PcEngineSignature.Length];
Array.Copy(secondDataSectorNotZero, 32, pce, 0, pce.Length);
if(PcEngineSignature.SequenceEqual(pce)) MediaType = MediaType.SuperCDROM2;
}
break;
}
// TODO: Check for CD-i Ready