using System.IO; namespace Ryujinx.HLE.OsHle.Services.Am { class StorageHelper { private const uint LaunchParamsMagic = 0xc79497ca; public static byte[] MakeLaunchParams() { //Size needs to be at least 0x88 bytes otherwise application errors. using (MemoryStream MS = new MemoryStream()) { BinaryWriter Writer = new BinaryWriter(MS); MS.SetLength(0x88); Writer.Write(LaunchParamsMagic); Writer.Write(1); //IsAccountSelected? Only lower 8 bits actually used. Writer.Write(1L); //User Id Low (note: User Id needs to be != 0) Writer.Write(0L); //User Id High return MS.ToArray(); } } } }