diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 07a44a79..3835309b 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -158,6 +158,7 @@
+
diff --git a/ArcFormats/Zyx/ImageSPL.cs b/ArcFormats/Zyx/ImageSPL.cs
new file mode 100644
index 00000000..30d11e7c
--- /dev/null
+++ b/ArcFormats/Zyx/ImageSPL.cs
@@ -0,0 +1,212 @@
+//! \file ImageSPL.cs
+//! \date Thu Sep 10 00:17:47 2015
+//! \brief Zyx tiled image.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Zyx
+{
+ internal class Tile
+ {
+ public int Left, Top;
+ public int Right, Bottom;
+ }
+
+ internal class SplMetaData : ImageMetaData
+ {
+ public Tile[] Tiles;
+ public long DataOffset;
+ }
+
+ [Export(typeof(ImageFormat))]
+ public class SplFormat : ImageFormat
+ {
+ public override string Tag { get { return "SPL"; } }
+ public override string Description { get { return "Zyx tiled image format"; } }
+ public override uint Signature { get { return 0; } }
+
+ public override ImageMetaData ReadMetaData (Stream stream)
+ {
+ using (var reader = new ArcView.Reader (stream))
+ {
+ int count = reader.ReadInt16();
+ if (count <= 0)
+ return null;
+ var tiles = new Tile[count];
+ for (int i = 0; i < count; ++i)
+ {
+ var tile = new Tile();
+ tile.Left = reader.ReadInt16();
+ tile.Top = reader.ReadInt16();
+ if (tile.Left < 0 || tile.Top < 0)
+ return null;
+ tile.Right = reader.ReadInt16();
+ tile.Bottom = reader.ReadInt16();
+ if (tile.Right <= tile.Left || tile.Bottom <= tile.Top)
+ return null;
+ tiles[i] = tile;
+ }
+ int width = reader.ReadInt16();
+ int height = reader.ReadInt16();
+ if (width <= 0 || height <= 0)
+ return null;
+ foreach (var tile in tiles)
+ {
+ if (tile.Right > width || tile.Bottom > height)
+ return null;
+ }
+ return new SplMetaData
+ {
+ Width = (uint)width,
+ Height = (uint)height,
+ BPP = 24,
+ Tiles = tiles,
+ DataOffset = stream.Position,
+ };
+ }
+ }
+
+ public override ImageData Read (Stream stream, ImageMetaData info)
+ {
+ var meta = info as SplMetaData;
+ if (null == meta)
+ throw new System.ArgumentException ("SplFormat.Read should be supplied with SplMetaData", "info");
+
+ var reader = new SplReader (stream, meta);
+ reader.Unpack ();
+ return ImageData.Create (info, PixelFormats.Bgr24, null, reader.Data);
+ }
+
+ public override void Write (Stream file, ImageData image)
+ {
+ throw new System.NotImplementedException ("SplFormat.Write not implemented");
+ }
+ }
+
+ internal class SplReader
+ {
+ Stream m_input;
+ byte[] m_output;
+
+ public byte[] Data { get { return m_output; } }
+
+ public SplReader (Stream input, SplMetaData info)
+ {
+ m_output = new byte[3 * info.Width * info.Height];
+ m_input = input;
+ m_input.Position = info.DataOffset;
+ }
+
+ public void Unpack ()
+ {
+ int dst = 0;
+ while (dst < m_output.Length)
+ {
+ int count;
+ int b = m_input.ReadByte();
+ if (-1 == b)
+ break;
+ switch (b)
+ {
+ case 0:
+ count = m_input.ReadByte();
+ if (count != -1)
+ {
+ byte p1 = m_output[dst - 3];
+ byte p2 = m_output[dst - 2];
+ byte p3 = m_output[dst - 1];
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst++] = p1;
+ m_output[dst++] = p2;
+ m_output[dst++] = p3;
+ }
+ }
+ break;
+ case 1:
+ count = m_input.ReadByte();
+ b = m_input.ReadByte();
+ if (-1 != count && -1 != b)
+ {
+ int src = dst - 3 * b;
+ count *= 3;
+ Binary.CopyOverlapped (m_output, src, dst, count);
+ dst += count;
+ }
+ break;
+ case 2:
+ count = m_input.ReadByte();
+ b = ReadWord();
+ if (-1 != count && -1 != b)
+ {
+ int src = dst - 3 * b;
+ count *= 3;
+ Binary.CopyOverlapped (m_output, src, dst, count);
+ dst += count;
+ }
+ break;
+ case 3:
+ b = m_input.ReadByte();
+ if (b != -1)
+ {
+ int src = dst - 3 * b;
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ }
+ break;
+ case 4:
+ b = ReadWord();
+ if (b != -1)
+ {
+ int src = dst - 3 * b;
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ }
+ break;
+ default:
+ count = 3 * (b - 4);
+ m_input.Read (m_output, dst, count);
+ dst += count;
+ break;
+ }
+ }
+ }
+
+ private int ReadWord ()
+ {
+ int lo = m_input.ReadByte();
+ if (-1 == lo)
+ return -1;
+ int hi = m_input.ReadByte();
+ if (-1 == hi)
+ return -1;
+ return hi << 8 | lo;
+ }
+ }
+}
diff --git a/supported.html b/supported.html
index 8a3038aa..f50d36c7 100644
--- a/supported.html
+++ b/supported.html
@@ -376,6 +376,7 @@ Futamajo
| *.bmp | MWP | No |
| *.dat+*l.dat | - | No | Studio Miris | Tetsuwan Gacchu! |
+*.bdf *.spl | - | No | Zyx | Innai Kansen series |
Non-encrypted only