Use new C# 11 u8 string literals (#3854)

Ryujinx.Audio/Renderer/Utils/FileHardwareDevice.cs

@@ -34,10 +34,10 @@ namespace Ryujinx.Audio.Renderer.Utils
 
             writer.Seek(0, SeekOrigin.Begin);
 
-            writer.Write(Encoding.ASCII.GetBytes("RIFF"));
+            writer.Write("RIFF"u8);
             writer.Write((int)(writer.BaseStream.Length - 8));
-            writer.Write(Encoding.ASCII.GetBytes("WAVE"));
-            writer.Write(Encoding.ASCII.GetBytes("fmt "));
+            writer.Write("WAVE"u8);
+            writer.Write("fmt "u8);
             writer.Write(16);
             writer.Write((short)1);
             writer.Write((short)GetChannelCount());
@@ -45,7 +45,7 @@ namespace Ryujinx.Audio.Renderer.Utils
             writer.Write(GetSampleRate() * GetChannelCount() * sizeof(short));
             writer.Write((short)(GetChannelCount() * sizeof(short)));
             writer.Write((short)(sizeof(short) * 8));
-            writer.Write(Encoding.ASCII.GetBytes("data"));
+            writer.Write("data"u8);
             writer.Write((int)(writer.BaseStream.Length - HeaderSize));
 
             writer.Seek((int)currentPos, SeekOrigin.Begin);

Ryujinx.HLE/HOS/Services/Nfc/Nfp/VirtualAmiibo.cs

@@ -85,7 +85,7 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
                 Reserved1       = new Array64<byte>(),
                 Reserved2       = new Array58<byte>()
             };
-            Encoding.ASCII.GetBytes("Ryujinx").CopyTo(registerInfo.Nickname.AsSpan());
+            "Ryujinx"u8.CopyTo(registerInfo.Nickname.AsSpan());
 
             return registerInfo;
         }

Ryujinx.HLE/HOS/Services/Nifm/StaticService/IGeneralService.cs

@@ -84,7 +84,7 @@ namespace Ryujinx.HLE.HOS.Services.Nifm.StaticService
             networkProfile.IpSettingData.IpAddressSetting = new IpAddressSetting(interfaceProperties, unicastAddress);
             networkProfile.IpSettingData.DnsSetting       = new DnsSetting(interfaceProperties);
 
-            Encoding.ASCII.GetBytes("RyujinxNetwork").CopyTo(networkProfile.Name.AsSpan());
+            "RyujinxNetwork"u8.CopyTo(networkProfile.Name.AsSpan());
 
             context.Memory.Write(networkProfileDataPosition, networkProfile);
 

Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs

@@ -39,7 +39,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone
             new int[] { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
         };
 
-        private static readonly byte[] TimeZoneDefaultRule = Encoding.ASCII.GetBytes(",M4.1.0,M10.5.0");
+        private static ReadOnlySpan<byte> TimeZoneDefaultRule => ",M4.1.0,M10.5.0"u8;
 
         [StructLayout(LayoutKind.Sequential, Pack = 0x4, Size = 0x10)]
         private struct CalendarTimeInternal

Ryujinx.HLE/Loaders/Mods/IPSPatcher.cs

@@ -20,10 +20,10 @@ namespace Ryujinx.HLE.Loaders.Mods
 
         private static MemPatch ParseIps(BinaryReader reader)
         {
-            Span<byte> IpsHeaderMagic   = Encoding.ASCII.GetBytes("PATCH").AsSpan();
-            Span<byte> IpsTailMagic     = Encoding.ASCII.GetBytes("EOF").AsSpan();
-            Span<byte> Ips32HeaderMagic = Encoding.ASCII.GetBytes("IPS32").AsSpan();
-            Span<byte> Ips32TailMagic   = Encoding.ASCII.GetBytes("EEOF").AsSpan();
+            ReadOnlySpan<byte> IpsHeaderMagic   = "PATCH"u8;
+            ReadOnlySpan<byte> IpsTailMagic     = "EOF"u8;
+            ReadOnlySpan<byte> Ips32HeaderMagic = "IPS32"u8;
+            ReadOnlySpan<byte> Ips32TailMagic   = "EEOF"u8;
 
             MemPatch patches = new MemPatch();
             var header = reader.ReadBytes(IpsHeaderMagic.Length).AsSpan();
@@ -34,7 +34,7 @@ namespace Ryujinx.HLE.Loaders.Mods
             }
 
             bool is32;
-            Span<byte> tailSpan;
+            ReadOnlySpan<byte> tailSpan;
 
             if (header.SequenceEqual(IpsHeaderMagic))
             {