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Add support for dumping Genesis / Mega Drive cartridges using a Retrode.

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This commit is contained in:
Natalia Portillo
2021-12-28 03:30:34 +00:00
parent 14510f2fdf
commit c1a694a7ed
2 changed files with 30 additions and 16 deletions
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2
.idea/.idea.Aaru/.idea/runConfigurations/Aaru.xml generated
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@@ -1,7 +1,7 @@
<component name="ProjectRunConfigurationManager"> <component name="ProjectRunConfigurationManager">
<configuration default="false" name="Aaru" type="DotNetProject" factoryName=".NET Project"> <configuration default="false" name="Aaru" type="DotNetProject" factoryName=".NET Project">
<option name="EXE_PATH" value="$PROJECT_DIR$/Aaru/bin/Debug/net6/aaru" /> <option name="EXE_PATH" value="$PROJECT_DIR$/Aaru/bin/Debug/net6/aaru" />
<option name="PROGRAM_PARAMETERS" value="m dump /dev/sda foo.sfc" /> <option name="PROGRAM_PARAMETERS" value="m dump /dev/sdb foo2.md" />
<option name="WORKING_DIRECTORY" value="$USER_HOME$/Desktop" /> <option name="WORKING_DIRECTORY" value="$USER_HOME$/Desktop" />
<option name="PASS_PARENT_ENVS" value="1" /> <option name="PASS_PARENT_ENVS" value="1" />
<option name="USE_EXTERNAL_CONSOLE" value="0" /> <option name="USE_EXTERNAL_CONSOLE" value="0" />

44
Aaru.Core/Devices/Dumping/LinearMemory/Retrode.cs
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@@ -46,7 +46,12 @@ public partial class Dump
0x53, 0x46, 0x43 0x53, 0x46, 0x43
}; };
/// <summary>Dumps a CFW PlayStation Portable UMD</summary> static readonly byte[] _genesisExtension =
{
0x42, 0x49, 0x4E
};
/// <summary>Dumps a game cartridge using a Retrode adapter</summary>
void Retrode() void Retrode()
{ {
bool sense = _dev.Read10(out byte[] buffer, out _, 0, false, true, false, false, 0, 512, 0, 1, _dev.Timeout, bool sense = _dev.Read10(out byte[] buffer, out _, 0, false, true, false, false, 0, 512, 0, 1, _dev.Timeout,
@@ -92,23 +97,32 @@ public partial class Dump
return; return;
} }
int romPos; int romPos;
bool sfcFound = false; bool sfcFound = false;
bool genesisFound = false;
tmp = new byte[3]; tmp = new byte[3];
for(romPos = 0; romPos < buffer.Length; romPos += 0x20) for(romPos = 0; romPos < buffer.Length; romPos += 0x20)
{ {
Array.Copy(buffer, romPos + 8, tmp, 0, 3); Array.Copy(buffer, romPos + 8, tmp, 0, 3);
if(!tmp.SequenceEqual(_sfcExtension)) if(tmp.SequenceEqual(_sfcExtension))
continue; {
sfcFound = true;
sfcFound = true; break;
}
break; if(tmp.SequenceEqual(_genesisExtension))
{
genesisFound = true;
break;
}
} }
if(!sfcFound) if(!sfcFound &&
!genesisFound)
{ {
StoppingErrorMessage?.Invoke("No cartridge found, not dumping..."); StoppingErrorMessage?.Invoke("No cartridge found, not dumping...");
_dumpLog.WriteLine("No cartridge found, not dumping..."); _dumpLog.WriteLine("No cartridge found, not dumping...");
@@ -119,13 +133,13 @@ public partial class Dump
ushort cluster = BitConverter.ToUInt16(buffer, romPos + 0x1A); ushort cluster = BitConverter.ToUInt16(buffer, romPos + 0x1A);
uint romSize = BitConverter.ToUInt32(buffer, romPos + 0x1C); uint romSize = BitConverter.ToUInt32(buffer, romPos + 0x1C);
const MediaType mediaType = MediaType.SNESGamePak; MediaType mediaType = genesisFound ? MediaType.MegaDriveCartridge : MediaType.SNESGamePak;
uint blocksToRead = 64; uint blocksToRead = 64;
double totalDuration = 0; double totalDuration = 0;
double currentSpeed = 0; double currentSpeed = 0;
double maxSpeed = double.MinValue; double maxSpeed = double.MinValue;
double minSpeed = double.MaxValue; double minSpeed = double.MaxValue;
byte[] senseBuf; byte[] senseBuf;
if(_outputPlugin is not IByteAddressableImage outputBai || if(_outputPlugin is not IByteAddressableImage outputBai ||
!outputBai.SupportedMediaTypes.Contains(mediaType)) !outputBai.SupportedMediaTypes.Contains(mediaType))