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[HLE] Stubbed IUserLocalCommuniationService:SetProtocol (106)

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Should fix Animal Crossing: New Horizons crashing on LDN connection and potentially other titles with Switch 2 updates.
This commit is contained in:
Shyanne 2026-01-28 00:18:21 -05:00
parent 45193dcc8d
commit 4be37a3703
1 changed files with 17 additions and 0 deletions
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17
src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs
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@ -487,6 +487,23 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator
return ResultCode.Success;
}
[CommandCmif(106)] // 20.0.0+
// SetProtocol
public ResultCode SetProtocol(ServiceCtx context)
{
uint protocolValue = context.RequestData.ReadUInt32();
// On NX only input value 1 or 3 is allowed, with an error being thrown otherwise.
if (protocolValue != 1 || protocolValue != 3)
{
throw new NotSupportedException($"Protocol value is {protocolValue}!!");
}
Logger.Info?.PrintMsg(LogClass.ServiceLdn, $"Protocol value: {protocolValue}");
Logger.Stub?.PrintMsg(LogClass.ServiceLdn, "IUserLocalCommunicationService SetProtocol: Stubbed.");
return ResultCode.Success;
}
[CommandCmif(200)]
// OpenAccessPoint()
public ResultCode OpenAccessPoint(ServiceCtx context)