NES carts database, with release dates, publishers, etc.

8 files changed, 689 insertions, 591 deletions

diff --git a/FelLib/WinUSBNet/API/DeviceManagement.cs b/FelLib/WinUSBNet/API/DeviceManagement.cs
index f4d3f1a5..d094025e 100644
--- a/FelLib/WinUSBNet/API/DeviceManagement.cs
+++ b/FelLib/WinUSBNet/API/DeviceManagement.cs
@@ -90,9 +90,6 @@ namespace MadWizard.WinUSBNet.API
                 throw APIException.Win32("Failed to get device registry property.");

 

             return buffer;

-

-

-

         }

 

         // todo: is the queried data always available, or should we check ERROR_INVALID_DATA?

diff --git a/MainForm.cs b/MainForm.cs
index c278c378..47c0dfbf 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -8,6 +8,7 @@ using System.Drawing;
 using System.IO;

 using System.Linq;

 using System.Text;

+using System.Threading;

 using System.Windows.Forms;

 

 namespace com.clusterrr.hakchi_gui

@@ -51,9 +52,7 @@ namespace com.clusterrr.hakchi_gui
             new DefaultNesGame { Code = "CLV-P-NACDE",  Name = "TECMO BOWL" },

             new DefaultNesGame { Code = "CLV-P-NACHE",  Name = "DOUBLE DRAGON II: The Revenge" }

         };

-

-

-

+        

         public MainForm()

         {

             InitializeComponent();

@@ -65,6 +64,7 @@ namespace com.clusterrr.hakchi_gui
             LoadGames();

             LoadHidden();

             LoadPresets();

+            new Thread(NesGame.LoadCache).Start();

         }

 

         public void LoadGames()

diff --git a/NesFile.cs b/NesFile.cs
index e09988fb..5e114486 100644
--- a/NesFile.cs
+++ b/NesFile.cs
@@ -1,556 +1,556 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Security.Cryptography;
-
-namespace com.clusterrr.Famicom
-{
-    public class NesFile
-    {
-        public byte[] PRG = null;
-        public byte[] CHR = null;
-        public byte[] Trainer = null;
-        public byte Mapper = 0;
-        public MirroringType Mirroring = MirroringType.Horizontal;
-        public TvSystemType TvSystem = TvSystemType.Ntsc;
-        public bool Battery = false;
-        public bool VSunisystem = false;
-        public bool PlayChoice10 = false;
-
-        public enum MirroringType { Horizontal = 0, Vertical = 1, FourScreenVram = 2, Unknown_both = 0xfe, Unknown_none = 0xff };
-        public enum TvSystemType { Ntsc = 0, Pal = 1 };
-
-        public enum NesFixType { NoFix = 0, Mapper = 1, Mirroring = 2, Battery = 4, NoChr = 8};
-
-        public NesFile()
-        {
-        }
-
-        public NesFile(byte[] data)
-        {
-
-            if (data[0] != 0x4E ||
-            data[1] != 0x45 ||
-            data[2] != 0x53 ||
-            data[3] != 0x1A) throw new Exception("Invalid NES file");
-
-            if (!(data[12] == 0 && data[13] == 0 && data[14] == 0 && data[15] == 0))
-            {
-                // archaic iNES
-                data[7] = data[8] = data[9] = data[10] = data[11] = data[12] = data[13] = data[14] = data[15] = 0;
-            }
-
-            var prgSize = data[4] * 16384;
-            var chrSize = data[5] * 8192;
-            Mirroring = (MirroringType)(data[6] & 1);
-            Battery = (data[6] & (1 << 1)) != 0;
-            if ((data[6] & (1 << 2)) != 0)
-            {
-                Trainer = new byte[512];
-            }
-            else
-            {
-                Trainer = null;
-            }
-            if ((data[6] & (1 << 3)) != 0)
-                Mirroring = MirroringType.FourScreenVram;
-
-            Mapper = (byte)((data[6] >> 4) | (data[7] & 0xF0));
-
-            data[7] = 0;
-
-            VSunisystem = (data[7] & 1) != 0;
-            PlayChoice10 = (data[7] & (1 << 1)) != 0;
-
-            /*
-            header[8] = 0; // PRG RAM size in 8 KB
-            header[9] = 0;
-             */
-            TvSystem = (TvSystemType)(data[9] & 1);
-
-            int offset = 16;
-            if (Trainer != null)
-            {
-                Array.Copy(data, offset, Trainer, 0, 512);
-                offset += 512;
-            }
-
-            PRG = new byte[prgSize];
-            Array.Copy(data, offset, PRG, 0, prgSize);
-            offset += prgSize;
-
-            CHR = new byte[chrSize];
-            Array.Copy(data, offset, CHR, 0, chrSize);
-        }
-
-        public NesFile(string fileName)
-            : this(File.ReadAllBytes(fileName))
-        {
-        }
-
-        public void Save(string fileName)
-        {
-            if (PRG == null) PRG = new byte[0];
-            if (CHR == null) CHR = new byte[0];
-            var data = new List<byte>();
-            var header = new byte[16];
-            header[0] = 0x4E;
-            header[1] = 0x45;
-            header[2] = 0x53;
-            header[3] = 0x1A;
-            header[4] = (byte)(PRG.Length / 16384);
-            header[5] = (byte)(CHR.Length / 8192);
-            header[6] = 0;
-            if (Mirroring == MirroringType.Vertical) header[6] |= 1;
-            if (Battery) header[6] |= (1 << 1);
-            if (Trainer != null) header[6] |= (1 << 2);
-            if (Mirroring == MirroringType.FourScreenVram)
-                header[6] |= (1 << 3);
-            header[6] |= (byte)(Mapper << 4);
-
-            header[7] = 0;
-            if (VSunisystem) header[7] |= 1;
-            if (PlayChoice10) header[7] |= 1 << 1;
-            header[7] |= (byte)(Mapper & 0xf0);
-
-            header[8] = 0; // PRG RAM size in 8 KB
-
-            header[9] = 0;
-            if (TvSystem == TvSystemType.Pal) header[9] |= 1;
-
-            data.AddRange(header);
-            data.AddRange(PRG);
-            data.AddRange(CHR);
-            if (Trainer != null)
-                data.AddRange(Trainer);
-
-            //data.AddRange(new byte[127]);
-            File.WriteAllBytes(fileName, data.ToArray());
-        }
-
-        public byte[] MD5
-        {
-            get
-            {
-                MD5 md5 = System.Security.Cryptography.MD5.Create();
-                if (PRG == null) PRG = new byte[0];
-                if (CHR == null) CHR = new byte[0];
-                var alldata = new byte[PRG.Length + CHR.Length];
-                Array.Copy(PRG, 0, alldata, 0, PRG.Length);
-                Array.Copy(CHR, 0, alldata, PRG.Length, CHR.Length);
-                return md5.ComputeHash(alldata);
-            }
-        }
-
-        public uint CRC32
-        {
-            get
-            {
-                if (PRG == null) PRG = new byte[0];
-                if (CHR == null) CHR = new byte[0];
-                var alldata = new byte[PRG.Length + CHR.Length];
-                Array.Copy(PRG, 0, alldata, 0, PRG.Length);
-                Array.Copy(CHR, 0, alldata, PRG.Length, CHR.Length);
-                uint poly = 0xedb88320;
-                uint[] table = new uint[256];
-                uint temp = 0;
-                for (uint i = 0; i < table.Length; ++i)
-                {
-                    temp = i;
-                    for (int j = 8; j > 0; --j)
-                    {
-                        if ((temp & 1) == 1)
-                        {
-                            temp = (uint)((temp >> 1) ^ poly);
-                        }
-                        else
-                        {
-                            temp >>= 1;
-                        }
-                    }
-                    table[i] = temp;
-                }
-                uint crc = 0xffffffff;
-                for (int i = 0; i < alldata.Length; ++i)
-                {
-                    byte index = (byte)(((crc) & 0xff) ^ alldata[i]);
-                    crc = (uint)((crc >> 8) ^ table[index]);
-                }
-                return ~crc;
-            }
-        }
-
-        public NesFixType CorrectRom()
-        {
-            int result = 0;
-            var crc32 = CRC32;
-            for (int i = 0; i < correct.Length; i += 3)
-            {
-                if (crc32 == correct[i])
-                {
-                    var mapper = correct[i + 1];
-                    var mirroring = correct[i + 2];
-                    if (mapper >= 0)
-                    {
-                        // no CHR
-                        if ((mapper & 0x800) != 0 && CHR.Length > 0)
-                        {
-                            CHR = new byte[0];
-                            result |= 8;
-                        }
-                        // invalid mapper
-                        if (Mapper != (mapper & 0xFF))
-                        {
-                            Mapper = (byte)(mapper & 0xFF);
-                            result |= 1;
-                        }
-                    }
-                    if (mirroring >= 0)
-                    {
-                        // Anything but hard-wired(four screen)
-                        if (mirroring == 8 && Mirroring == MirroringType.FourScreenVram)
-                        {
-                            Mirroring = MirroringType.Horizontal;
-                            result |= 2;
-                        }
-                        MirroringType needMirroring = MirroringType.Unknown_none;
-                        switch (mirroring)
-                        {
-                            case 0: needMirroring = MirroringType.Horizontal;
-                                break;
-                            case 1: needMirroring = MirroringType.Vertical;
-                                break;
-                            case 2: needMirroring = MirroringType.FourScreenVram;
-                                break;
-                        }
-                        if (needMirroring != MirroringType.Unknown_none && needMirroring != Mirroring)
-                        {
-                            Mirroring = needMirroring;
-                            result |= 2;
-                        }
-                    }
-                }
-            }
-
-            var md5 = MD5;
-            ulong partialmd5 = 0;
-            for (int x = 0; x < 8; x++)
-                partialmd5 |= (ulong)md5[15 - x] << (x * 8);
-            // maybe this games uses battery saves?
-            foreach(var sav in savie)
-            {
-                if (!Battery && sav == partialmd5)
-                {
-                    Battery = true;
-                    result |= 4;
-                }
-            }
-
-            return (NesFixType) result;
-        }
-
-        static long[] correct = new long[]
-        {
-            0xaf5d7aa2,	 -1,		0,	/* Clu Clu Land */
-	        0xcfb224e6,	 -1,		1,	/* Dragon Ninja (J) [p1][!].nes */
-	        0x4f2f1846,	 -1,		1,	/* Famista '89 - Kaimaku Han!! (J) */
-	        0x82f204ae,	 -1,		1,	/* Liang Shan Ying Xiong (NJ023) (Ch) [!] */
-	        0x684afccd,	 -1,		1,	/* Space Hunter (J) */
-	        0xad9c63e2,	 -1,		1,	/* Space Shadow (J) */
-	        0xe1526228,	 -1,		1,	/* Quest of Ki */
-	        0xaf5d7aa2,	 -1,		0,	/* Clu Clu Land */
-	        0xcfb224e6,	 -1,		1,	/* Dragon Ninja (J) [p1][!].nes */
-	        0x4f2f1846,	 -1,		1,	/* Famista '89 - Kaimaku Han!! (J) */
-	        0xfcdaca80,	  0,		0,	/* Elevator Action */
-	        0xc05a365b,	  0,		0,	/* Exed Exes (J) */
-	        0x32fa246f,	  0,		0,	/* Tag Team Pro Wrestling */
-	        0xb3c30bea,	  0,		0,	/* Xevious (J) */
-	        0xe492d45a,	  0,		0,	/* Zippy Race */
-	        0xe28f2596,	  0,		1,	/* Pac Land (J) */
-	        0xd8ee7669,	  1,		8,	/* Adventures of Rad Gravity */
-	        0x5b837e8d,	  1,		8,	/* Alien Syndrome */
-	        0x37ba3261,	  1,		8,	/* Back to the Future 2 and 3 */
-	        0x5b6ca654,	  1,		8,	/* Barbie rev X*/
-	        0x61a852ea,	  1,		8,	/* Battle Stadium - Senbatsu Pro Yakyuu */
-	        0xf6fa4453,	  1,		8,	/* Bigfoot */
-	        0x391aa1b8,	  1,		8,	/* Bloody Warriors (J) */
-	        0xa5e8d2cd,	  1,		8,	/* Breakthru */
-	        0x3f56a392,	  1,		8,	/* Captain Ed (J) */
-	        0x078ced30,	  1,		8,	/* Choujin - Ultra Baseball */
-	        0xfe364be5,	  1,		8,	/* Deep Dungeon 4 */
-	        0x57c12280,	  1,		8,	/* Demon Sword */
-	        0xd09b74dc,	  1,		8,	/* Great Tank (J) */
-	        0xe8baa782,	  1,		8,	/* Gun Hed (J) */
-	        0x970bd9c2,	  1,		8,	/* Hanjuku Hero */
-	        0xcd7a2fd7,	  1,		8,	/* Hanjuku Hero */
-	        0x63469396,	  1,		8,	/* Hokuto no Ken 4 */
-	        0xe94d5181,	  1,		8,	/* Mirai Senshi - Lios */
-	        0x7156cb4d,	  1,		8,	/* Muppet Adventure Carnival thingy */
-	        0x70f67ab7,	  1,		8,	/* Musashi no Bouken */
-	        0x291bcd7d,	  1,		8,	/* Pachio Kun 2 */
-	        0xa9a4ea4c,	  1,		8,	/* Satomi Hakkenden */
-	        0xcc3544b0,	  1,		8,	/* Triathron */
-	        0x934db14a,	  1,	   -1,	/* All-Pro Basketball */
-	        0xf74dfc91,	  1,	   -1,	/* Win,	Lose,	or Draw */
-	        0x9ea1dc76,	  2,		0,	/* Rainbow Islands */
-	        0x6d65cac6,	  2,		0,	/* Terra Cresta */
-	        0xe1b260da,	  2,		1,	/* Argos no Senshi */
-	        0x1d0f4d6b,	  2,		1,	/* Black Bass thinging */
-	        0x266ce198,	  2,		1,	/* City Adventure Touch */
-	        0x804f898a,	  2,		1,	/* Dragon Unit */
-	        0x55773880,	  2,		1,	/* Gilligan's Island */
-	        0x6e0eb43e,	  2,		1,	/* Puss n Boots */
-	        0x2bb6a0f8,	  2,		1,	/* Sherlock Holmes */
-	        0x28c11d24,	  2,		1,	/* Sukeban Deka */
-	        0x02863604,	  2,		1,	/* Sukeban Deka */
-	        0x419461d0,	  2,		1,	/* Super Cars */
-	        0xdbf90772,	  3,		0,	/* Alpha Mission */
-	        0xd858033d,	  3,		0,	/* Armored Scrum Object */
-	        0x9bde3267,	  3,		1,	/* Adventures of Dino Riki */
-	        0xd8eff0df,	  3,		1,	/* Gradius (J) */
-	        0x1d41cc8c,	  3,		1,	/* Gyruss */
-	        0xcf322bb3,	  3,		1,	/* John Elway's Quarterback */
-	        0xb5d28ea2,	  3,		1,	/* Mystery Quest - mapper 3?*/
-	        0x02cc3973,	  3,		1,	/* Ninja Kid */
-	        0xbc065fc3,	  3,		1,	/* Pipe Dream */
-	        0xc9ee15a7,	  3,	   -1,	/* 3 is probably best.  41 WILL NOT WORK. */
-	        0x13e09d7a,	  4,		0, /*Dragon Wars (U) (proto) - comes with erroneous 4-screen mirroring set*/
-	        0x22d6d5bd,	  4,		1,
-	        0xd97c31b0,	  4,		1,	//Rasaaru Ishii no Childs Quest (J)
-	        0x404b2e8b,	  4,		2,	/* Rad Racer 2 */
-	        0x15141401,	  4,		8,	/* Asmik Kun Land */
-	        0x4cccd878,	  4,		8,	/* Cat Ninden Teyandee */
-	        0x59280bec,	  4,		8,	/* Jackie Chan */
-	        0x7474ac92,	  4,		8,	/* Kabuki: Quantum Fighter */
-	        0x5337f73c,	  4,		8,	/* Niji no Silk Road */
-	        0x9eefb4b4,	  4,		8,	/* Pachi Slot Adventure 2 */
-	        0x21a653c7,	  4,	   -1,	/* Super Sky Kid */
-	        0x9cbadc25,	  5,		8,	/* JustBreed */
-	        0xf518dd58,	  7,		8,	/* Captain Skyhawk */
-	        0x84382231,	  9,		0,	/* Punch Out (J) */
-	        0xbe939fce,	  9,		1,	/* Punchout*/
-	        0x345d3a1a,	 11,		1,	/* Castle of Deceit */
-	        0x5e66eaea,	 13,		1,	/* Videomation */
-	        0xcd373baa,	 14,	   -1,	/* Samurai Spirits (Rex Soft) */
-	        0xbfc7a2e9,	 16,		8,
-	        0x6e68e31a,	 16,		8,	/* Dragon Ball 3*/
-	        0x33b899c9,	 16,	   -1,	/* Dragon Ball - Dai Maou Fukkatsu (J) [!] */
-	        0xa262a81f,	 16,	   -1,	/* Rokudenashi Blues (J) */
-	        0x286fcd20,	 23,	   -1,	/* Ganbare Goemon Gaiden 2 - Tenka no Zaihou (J) [!] */
-	        0xe4a291ce,	 23,	   -1,	/* World Hero (Unl) [!] */
-	        0x51e9cd33,	 23,	   -1,	/* World Hero (Unl) [b1] */
-	        0x105dd586,	 27,	   -1,	/* Mi Hun Che variations... */
-	        0xbc9bb6c1,	 27,	   -1,	/* -- */
-	        0x43753886,	 27,	   -1,	/* -- */
-	        0x5b3de3d1,	 27,	   -1,	/* -- */
-	        0x511e73f8,	 27,	   -1,	/* -- */
-	        0x5555fca3,	 32,		8,
-	        0x283ad224,	 32,		8,	/* Ai Sensei no Oshiete */
-	        0x243a8735,	 32,   0x10|4,	/* Major League */
-	        0xbc7b1d0f,	 33,	   -1, /* Bakushou!! Jinsei Gekijou 2 (J) [!] */
-            //0xc2730c30,	 34,		0,	/* Deadly Towers */ // Duplicate value? WTF?
-	        0x4c7c1af3,	 34,		1,	/* Caesar's Palace */
-	        0x932ff06e,	 34,		1,	/* Classic Concentration */
-	        0xf46ef39a,	 37,	   -1,	/* Super Mario Bros. + Tetris + Nintendo World Cup (E) [!] */
-	        0x7ccb12a3,	 43,	   -1,	/* SMB2j */
-	        0x6c71feae,	 45,	   -1,	/* Kunio 8-in-1 */
-	        0xe2c94bc2,	 48,	   -1,	/* Super Bros 8 (Unl) [!] */
-	        0xaebd6549,	 48,		8,	/* Bakushou!! Jinsei Gekijou 3 */
-	        0x6cdc0cd9,	 48,		8,	/* Bubble Bobble 2 */
-	        0x99c395f9,	 48,		8,	/* Captain Saver */
-	        0xa7b0536c,	 48,		8,	/* Don Doko Don 2 */
-	        0x40c0ad47,	 48,		8,	/* Flintstones 2 */
-	        0x1500e835,	 48,		8,	/* Jetsons (J) */
-	        0xa912b064,	 51|0x800,	8,	/* 11-in-1 Ball Games (has CHR ROM when it shouldn't) */
-	        0xb19a55dd,	 64,		8,	/* Road Runner */
-	        0xf92be3ec,	 64,	   -1,	/* Rolling Thunder */
-	        0xe84274c5,	 66,		1,
-	        0xbde3ae9b,	 66,		1,	/* Doraemon */
-	        0x9552e8df,	 66,		1,	/* Dragon Ball */
-	        0x811f06d9,	 66,		1,	/* Dragon Power */
-	        0xd26efd78,	 66,		1,	/* SMB Duck Hunt */
-	        0xdd8ed0f7,	 70,		1,	/* Kamen Rider Club */
-	        0xbba58be5,	 70,	   -1,	/* Family Trainer - Manhattan Police */
-	        0x370ceb65,	 70,	   -1,	/* Family Trainer - Meiro Dai Sakusen */
-	        0xe62e3382,	 71,	   -1,	/* Mig-29 Soviet Fighter */
-	        0xac7b0742,	 71,	   -1,	/* Golden KTV (Ch) [!], not actually 71, but UNROM without BUS conflict */
-	        0x054bd3e9,	 74,	   -1,	/* Di 4 Ci - Ji Qi Ren Dai Zhan (As) */
-	        0x496ac8f7,	 74,	   -1,	/* Ji Jia Zhan Shi (As) */
-	        0xae854cef,	 74,	   -1,	/* Jia A Fung Yun (Chinese) */
-	        0xba51ac6f,	 78,		2,
-	        0x3d1c3137,	 78,		8,	/* Uchuusen - Cosmo Carrier */
-	        0xa4fbb438,	 79,		0,
-	        0xd4a76b07,	 79,		0,	/* F-15 City Wars*/
-	        0x1eb4a920,	 79,		1,	/* Double Strike */
-	        0x3e1271d5,	 79,		1,	/* Tiles of Fate */
-	        0xd2699893,	 88,		0,	/*  Dragon Spirit */
-	        0xbb7c5f7a,	 89,		8,	/* Mito Koumon or something similar */
-	        0x0da5e32e,	101,	   -1,	/* new Uruusey Yatsura */
-	        0x8eab381c,	113,		1,	/* Death Bots */
-	        0x6a03d3f3,	114,	   -1,
-	        0x0d98db53,	114,	   -1,	/* Pocahontas */
-	        0x4e7729ff,	114,	   -1,	/* Super Donkey Kong */
-	        0xc5e5c5b2,	115,	   -1,	/* Bao Qing Tian (As).nes */
-	        0xa1dc16c0,	116,	   -1,
-	        0xe40dfb7e,	116,	   -1,	/* Somari (P conf.) */
-	        0xc9371ebb,	116,	   -1,	/* Somari (W conf.) */
-	        0xcbf4366f,	118,		8,	/* Alien Syndrome (U.S. unlicensed) */
-	        0x78b657ac,	118,	   -1,	/* Armadillo */
-	        0x90c773c1,	118,	   -1,	/* Goal! 2 */
-	        0xb9b4d9e0,	118,	   -1,	/* NES Play Action Football */
-	        0x07d92c31,	118,	   -1,	/* RPG Jinsei Game */
-	        0x37b62d04,	118,	   -1,	/* Ys 3 */
-	        0x318e5502,	121,	   -1,	/* Sonic 3D Blast 6 (Unl) */
-	        0xddcfb058,	121,	   -1,	/* Street Fighter Zero 2 '97 (Unl) [!] */
-	        0x5aefbc94,	133,	   -1,	/* Jovial Race (Sachen) [a1][!] */
-	        0xc2df0a00,	140,		1,	/* Bio Senshi Dan(hacked) */
-	        0xe46b1c5d,	140,		1,	/* Mississippi Satsujin Jiken */
-	        0x3293afea,	140,		1,	/* Mississippi Satsujin Jiken */
-	        0x6bc65d7e,	140,		1,	/* Youkai Club*/
-	        0x5caa3e61,	144,		1,	/* Death Race */
-	        0x48239b42,	146,	   -1,	/* Mahjong Companion (Sachen) [!] */
-	        0xb6a727fa,	146,	   -1,	/* Papillion (As) [!] */
-	        0xa62b79e1,	146,	   -1,	/* Side Winder (HES) [!] */
-	        0xcc868d4e,	149,	   -1,	/* 16 Mahjong [p1][!] */
-	        0x29582ca1,	150,	   -1,
-	        0x40dbf7a2,	150,	   -1,
-	        0x73fb55ac,	150,	   -1,	/* 2-in-1 Cosmo Cop + Cyber Monster (Sachen) [!] */
-	        0xddcbda16,	150,	   -1,	/* 2-in-1 Tough Cop + Super Tough Cop (Sachen) [!] */
-	        0x47918d84,	150,	   -1,	/* auto-upturn */
-	        0x0f141525,	152,		8,	/* Arkanoid 2 (Japanese) */
-	        0xbda8f8e4,	152,		8,	/* Gegege no Kitarou 2 */
-	        0xb1a94b82,	152,		8,	/* Pocket Zaurus */
-	        0x026c5fca,	152,		8,	/* Saint Seiya Ougon Densetsu */
-	        0x3f15d20d,	153,		8,	/* Famicom Jump 2 */
-	        0xd1691028,	154,		8,	/* Devil Man */
-	        0xcfd4a281,	155,		8,	/* Money Game.  Yay for money! */
-	        0x2f27cdef,	155,		8,	/* Tatakae!! Rahmen Man */
-	        0xccc03440,	156,	   -1,
-	        0x983d8175,	157,		8,	/* Datach Battle Rush */
-	        0x894efdbc,	157,		8,	/* Datach Crayon Shin Chan */
-	        0x19e81461,	157,		8,	/* Datach DBZ */
-	        0xbe06853f,	157,		8,	/* Datach J-League */
-	        0x0be0a328,	157,		8,	/* Datach SD Gundam Wars */
-	        0x5b457641,	157,		8,	/* Datach Ultraman Club */
-	        0xf51a7f46,	157,		8,	/* Datach Yuu Yuu Hakusho */
-	        0xe170404c,	159,	   -1,	/* SD Gundam Gaiden - Knight Gundam Monogatari (J) (V1.0) [!] */
-	        0x276ac722,	159,	   -1,	/* SD Gundam Gaiden - Knight Gundam Monogatari (J) (V1.1) [!] */
-	        0x0cf42e69,	159,	   -1,	/* Magical Taruruuto-kun - Fantastic World!! (J) (V1.0) [!] */
-	        0xdcb972ce,	159,	   -1,	/* Magical Taruruuto-kun - Fantastic World!! (J) (V1.1) [!] */
-	        0xb7f28915,	159,	   -1,	/* Magical Taruruuto-kun 2 - Mahou Daibouken (J) */
-	        0x183859d2,	159,	   -1,	/* Dragon Ball Z - Kyoushuu! Saiya Jin (J) [!] */
-	        0x58152b42,	160,		1,	/* Pipe 5 (Sachen) */
-	        0x1c098942,	162,	   -1,	/* Xi You Ji Hou Zhuan (Ch) */
-	        0x081caaff,	163,	   -1,	/* Commandos (Ch) */
-	        0x02c41438,	176,	   -1,	/* Xing He Zhan Shi (C) */
-	        0x558c0dc3,	178,	   -1,	/* Super 2in1 (unl)[!] mapper unsupported */
-	        0xc68363f6,	180,		0,	/* Crazy Climber */
-	        0x0f05ff0a,	181,	   -1,	/* Seicross  (redump) */
-	        0x96ce586e,	189,		8,	/* Street Fighter 2 YOKO */
-	        0x555a555e,	191,	   -1,
-	        0x2cc381f6,	191,	   -1,	/* Sugoro Quest - Dice no Senshitachi (As) */
-	        0xa145fae6,	192,	   -1,
-	        0xa9115bc1,	192,	   -1,
-	        0x4c7bbb0e,	192,	   -1,
-	        0x98c1cd4b,	192,	   -1,	/* Ying Lie Qun Xia Zhuan (Chinese) */
-	        0xee810d55,	192,	   -1,	/* You Ling Xing Dong (Ch) */
-	        0x442f1a29,	192,	   -1,	/* Young chivalry */
-	        0x637134e8,	193,		1,	/* Fighting Hero */
-	        0xa925226c,	194,	   -1,	/* Dai-2-Ji - Super Robot Taisen (As) */
-	        0x7f3dbf1b,	195,		0,
-	        0xb616885c,	195,		0,	/* CHaos WOrld (Ch)*/
-	        0x33c5df92,	195,	   -1,
-	        0x1bc0be6c,	195,	   -1,	/* Captain Tsubasa Vol 2 - Super Striker (C) */
-	        0xd5224fde,	195,	   -1,	/* Crystalis (c) */
-	        0xfdec419f,	196,	   -1,	/* Street Fighter VI 16 Peoples (Unl) [!] */
-	        0x700705f4,	198,	   -1,
-	        0x9a2cf02c,	198,	   -1,
-	        0xd8b401a7,	198,	   -1,
-	        0x28192599,	198,	   -1,
-	        0x19b9e732,	198,	   -1,
-	        0xdd431ba7,	198,	   -1,	/* Tenchi wo kurau 2 (c) */
-	        0xd871d3e6,	199,	   -1,	/* Dragon Ball Z 2 - Gekishin Freeza! (C) */
-	        0xed481b7c,	199,	   -1,	/* Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (C) */
-	        0x44c20420,	199,	   -1,	/* San Guo Zhi 2 (C) */
-	        0x4e1c1e3c,	206,		0,	/* Karnov */
-	        0x276237b3,	206,		0,	/* Karnov */
-	        0x7678f1d5,	207,		8,	/* Fudou Myouou Den */
-	        0x07eb2c12,	208,	   -1,	/* Street Fighter IV */
-	        0xdd8ced31,	209,	   -1,	/* Power Rangers 3 */
-	        0x063b1151,	209,	   -1,	/* Power Rangers 4 */
-	        0xdd4d9a62,	209,	   -1,	/* Shin Samurai Spirits 2 */
-	        0x0c47946d,	210,		1,	/* Chibi Maruko Chan */
-	        0xc247cc80,	210,		1,	/* Family Circuit '91 */
-	        0x6ec51de5,	210,		1,	/* Famista '92 */
-	        0xadffd64f,	210,		1,	/* Famista '93 */
-	        0x429103c9,	210,		1,	/* Famista '94 */
-	        0x81b7f1a8,	210,		1,	/* Heisei Tensai Bakabon */
-	        0x2447e03b,	210,		1,	/* Top Striker */
-	        0x1dc0f740,	210,		1,	/* Wagyan Land 2 */
-	        0xd323b806,	210,		1,	/* Wagyan Land 3 */
-	        0xbd523011,	210,		0,	/* Dream Master */
-	        0x5daae69a,	211,	   -1,	/* Aladdin - Return of Jaffar, The (Unl) [!] */
-	        0x1ec1dfeb,	217,	   -1,	/* 255-in-1 (Cut version) [p1] */
-	        0x046d70cc,	217,	   -1,	/* 500-in-1 (Anim Splash, Alt Mapper)[p1][!] */
-	        0x12f86a4d,	217,	   -1,	/* 500-in-1 (Static Splash, Alt Mapper)[p1][!] */
-	        0xd09f778d,	217,	   -1,	/* 9999999-in-1 (Static Splash, Alt Mapper)[p1][!] */
-	        0x62ef6c79,	232,		8,	/* Quattro Sports -Aladdin */
-	        0x2705eaeb,	234,	   -1,	/* Maxi 15 */
-	        0x6f12afc5,	235,	   -1,	/* Golden Game 150-in-1 */
-	        0xfb2b6b10,	241,	   -1,	/* Fan Kong Jing Ying (Ch) */
-	        0xb5e83c9a,	241,	   -1,	/* Xing Ji Zheng Ba (Ch) */
-	        0x2537b3e6,	241,	   -1,	/* Dance Xtreme - Prima (Unl) */
-	        0x11611e89,	241,	   -1,	/* Darkseed (Unl) [p1] */
-	        0x81a37827,	241,	   -1,	/* Darkseed (Unl) [p1][b1] */
-            0xc2730c30,	241,	   -1,	/* Deadly Towers (U) [!] */ // duplicate value, WTF? This one is better
-	        0x368c19a8,	241,	   -1,	/* LIKO Study Cartridge 3-in-1 (Unl) [!] */
-	        0xa21e675c,	241,	   -1,	/* Mashou (J) [!] */
-	        0x54d98b79,	241,	   -1,	/* Titanic 1912 (Unl) */
-	        0x6bea1235,	245,	   -1,	/* MMC3 cart, but with nobanking applied to CHR-RAM, so let it be there */
-	        0x345ee51a,	245,	   -1,	/* DQ4c */
-	        0x57514c6c,	245,	   -1,	/* Yong Zhe Dou E Long - Dragon Quest VI (Ch) */		        
-            0xba51ac6f, 78,         8,  /* Holy Diver */
-            0x0ae6c9e2, 2,          1,  /* Castelian */
-            0x1b71ccdb, 4,          8,  /* Gauntlet II */
-            0x59977a46, 0,          1,  /* Mach Rider */
-            0x79f80127, 0,          1,  /* Mach Rider (rus) */
-        };
-        static ulong[] savie = new ulong[]
-	    {
-		    0xc04361e499748382,	/* AD&D Heroes of the Lance */
-		    0xb72ee2337ced5792,	/* AD&D Hillsfar */
-		    0x2b7103b7a27bd72f,	/* AD&D Pool of Radiance */
-		    0x498c10dc463cfe95,	/* Battle Fleet */
-		    0x854d7947a3177f57,	/* Crystalis */
-		    0x4a1f5336b86851b6,	/* DW */
-		    0xb0bcc02c843c1b79,	/* DW */
-		    0x2dcf3a98c7937c22,	/* DW 2 */
-		    0x98e55e09dfcc7533,	/* DW 4*/
-		    0x733026b6b72f2470,	/* Dw 3 */
-		    0x6917ffcaca2d8466,	/* Famista '90 */
-		    0x8da46db592a1fcf4,	/* Faria */
-		    0xedba17a2c4608d20,	/* Final Fantasy */
-		    0x91a6846d3202e3d6,	/* Final Fantasy */
-		    0x012df596e2b31174,	/* Final Fantasy 1+2 */
-		    0xf6b359a720549ecd,	/* Final Fantasy 2 */
-		    0x5a30da1d9b4af35d,	/* Final Fantasy 3 */
-		    0xd63dcc68c2b20adc,	/* Final Fantasy J */
-		    0x2ee3417ba8b69706,	/* Hydlide 3*/
-		    0xebbce5a54cf3ecc0,	/* Justbreed */
-		    0x6a858da551ba239e,	/* Kaijuu Monogatari */
-		    0x2db8f5d16c10b925,	/* Kyonshiizu 2 */
-		    0x04a31647de80fdab,	/* Legend of Zelda */
-		    0x94b9484862a26cba,	/* Legend of Zelda */
-		    0xa40666740b7d22fe,	/* Mindseeker */
-		    0x82000965f04a71bb,	/* Mirai Shinwa Jarvas */
-		    0x77b811b2760104b9,	/* Mouryou Senki Madara */
-		    0x11b69122efe86e8c,	/* RPG Jinsei Game */
-		    0x9aa1dc16c05e7de5,	/* Startropics */
-		    0x1b084107d0878bd0,	/* Startropics 2*/
-		    0xa70b495314f4d075,	/* Ys 3 */
-		    0x836c0ff4f3e06e45,	/* Zelda 2 */
-	    };
-    }
-}
+using System;

+using System.Collections.Generic;

+using System.IO;

+using System.Linq;

+using System.Text;

+using System.Security.Cryptography;

+

+namespace com.clusterrr.Famicom

+{

+    public class NesFile

+    {

+        public byte[] PRG = null;

+        public byte[] CHR = null;

+        public byte[] Trainer = null;

+        public byte Mapper = 0;

+        public MirroringType Mirroring = MirroringType.Horizontal;

+        public TvSystemType TvSystem = TvSystemType.Ntsc;

+        public bool Battery = false;

+        public bool VSunisystem = false;

+        public bool PlayChoice10 = false;

+

+        public enum MirroringType { Horizontal = 0, Vertical = 1, FourScreenVram = 2, Unknown_both = 0xfe, Unknown_none = 0xff };

+        public enum TvSystemType { Ntsc = 0, Pal = 1 };

+

+        public enum NesFixType { NoFix = 0, Mapper = 1, Mirroring = 2, Battery = 4, NoChr = 8};

+

+        public NesFile()

+        {

+        }

+

+        public NesFile(byte[] data)

+        {

+

+            if (data[0] != 0x4E ||

+            data[1] != 0x45 ||

+            data[2] != 0x53 ||

+            data[3] != 0x1A) throw new Exception("Invalid NES file");

+

+            if (!(data[12] == 0 && data[13] == 0 && data[14] == 0 && data[15] == 0))

+            {

+                // archaic iNES

+                data[7] = data[8] = data[9] = data[10] = data[11] = data[12] = data[13] = data[14] = data[15] = 0;

+            }

+

+            var prgSize = data[4] * 16384;

+            var chrSize = data[5] * 8192;

+            Mirroring = (MirroringType)(data[6] & 1);

+            Battery = (data[6] & (1 << 1)) != 0;

+            if ((data[6] & (1 << 2)) != 0)

+            {

+                Trainer = new byte[512];

+            }

+            else

+            {

+                Trainer = null;

+            }

+            if ((data[6] & (1 << 3)) != 0)

+                Mirroring = MirroringType.FourScreenVram;

+

+            Mapper = (byte)((data[6] >> 4) | (data[7] & 0xF0));

+

+            data[7] = 0;

+

+            VSunisystem = (data[7] & 1) != 0;

+            PlayChoice10 = (data[7] & (1 << 1)) != 0;

+

+            /*

+            header[8] = 0; // PRG RAM size in 8 KB

+            header[9] = 0;

+             */

+            TvSystem = (TvSystemType)(data[9] & 1);

+

+            int offset = 16;

+            if (Trainer != null)

+            {

+                Array.Copy(data, offset, Trainer, 0, 512);

+                offset += 512;

+            }

+

+            PRG = new byte[prgSize];

+            Array.Copy(data, offset, PRG, 0, prgSize);

+            offset += prgSize;

+

+            CHR = new byte[chrSize];

+            Array.Copy(data, offset, CHR, 0, chrSize);

+        }

+

+        public NesFile(string fileName)

+            : this(File.ReadAllBytes(fileName))

+        {

+        }

+

+        public void Save(string fileName)

+        {

+            if (PRG == null) PRG = new byte[0];

+            if (CHR == null) CHR = new byte[0];

+            var data = new List<byte>();

+            var header = new byte[16];

+            header[0] = 0x4E;

+            header[1] = 0x45;

+            header[2] = 0x53;

+            header[3] = 0x1A;

+            header[4] = (byte)(PRG.Length / 16384);

+            header[5] = (byte)(CHR.Length / 8192);

+            header[6] = 0;

+            if (Mirroring == MirroringType.Vertical) header[6] |= 1;

+            if (Battery) header[6] |= (1 << 1);

+            if (Trainer != null) header[6] |= (1 << 2);

+            if (Mirroring == MirroringType.FourScreenVram)

+                header[6] |= (1 << 3);

+            header[6] |= (byte)(Mapper << 4);

+

+            header[7] = 0;

+            if (VSunisystem) header[7] |= 1;

+            if (PlayChoice10) header[7] |= 1 << 1;

+            header[7] |= (byte)(Mapper & 0xf0);

+

+            header[8] = 0; // PRG RAM size in 8 KB

+

+            header[9] = 0;

+            if (TvSystem == TvSystemType.Pal) header[9] |= 1;

+

+            data.AddRange(header);

+            data.AddRange(PRG);

+            data.AddRange(CHR);

+            if (Trainer != null)

+                data.AddRange(Trainer);

+

+            //data.AddRange(new byte[127]);

+            File.WriteAllBytes(fileName, data.ToArray());

+        }

+

+        public byte[] MD5

+        {

+            get

+            {

+                MD5 md5 = System.Security.Cryptography.MD5.Create();

+                if (PRG == null) PRG = new byte[0];

+                if (CHR == null) CHR = new byte[0];

+                var alldata = new byte[PRG.Length + CHR.Length];

+                Array.Copy(PRG, 0, alldata, 0, PRG.Length);

+                Array.Copy(CHR, 0, alldata, PRG.Length, CHR.Length);

+                return md5.ComputeHash(alldata);

+            }

+        }

+

+        public uint CRC32

+        {

+            get

+            {

+                if (PRG == null) PRG = new byte[0];

+                if (CHR == null) CHR = new byte[0];

+                var alldata = new byte[PRG.Length + CHR.Length];

+                Array.Copy(PRG, 0, alldata, 0, PRG.Length);

+                Array.Copy(CHR, 0, alldata, PRG.Length, CHR.Length);

+                uint poly = 0xedb88320;

+                uint[] table = new uint[256];

+                uint temp = 0;

+                for (uint i = 0; i < table.Length; ++i)

+                {

+                    temp = i;

+                    for (int j = 8; j > 0; --j)

+                    {

+                        if ((temp & 1) == 1)

+                        {

+                            temp = (uint)((temp >> 1) ^ poly);

+                        }

+                        else

+                        {

+                            temp >>= 1;

+                        }

+                    }

+                    table[i] = temp;

+                }

+                uint crc = 0xffffffff;

+                for (int i = 0; i < alldata.Length; ++i)

+                {

+                    byte index = (byte)(((crc) & 0xff) ^ alldata[i]);

+                    crc = (uint)((crc >> 8) ^ table[index]);

+                }

+                return ~crc;

+            }

+        }

+

+        public NesFixType CorrectRom()

+        {

+            int result = 0;

+            var crc32 = CRC32;

+            for (int i = 0; i < correct.Length; i += 3)

+            {

+                if (crc32 == correct[i])

+                {

+                    var mapper = correct[i + 1];

+                    var mirroring = correct[i + 2];

+                    if (mapper >= 0)

+                    {

+                        // no CHR

+                        if ((mapper & 0x800) != 0 && CHR.Length > 0)

+                        {

+                            CHR = new byte[0];

+                            result |= 8;

+                        }

+                        // invalid mapper

+                        if (Mapper != (mapper & 0xFF))

+                        {

+                            Mapper = (byte)(mapper & 0xFF);

+                            result |= 1;

+                        }

+                    }

+                    if (mirroring >= 0)

+                    {

+                        // Anything but hard-wired(four screen)

+                        if (mirroring == 8 && Mirroring == MirroringType.FourScreenVram)

+                        {

+                            Mirroring = MirroringType.Horizontal;

+                            result |= 2;

+                        }

+                        MirroringType needMirroring = MirroringType.Unknown_none;

+                        switch (mirroring)

+                        {

+                            case 0: needMirroring = MirroringType.Horizontal;

+                                break;

+                            case 1: needMirroring = MirroringType.Vertical;

+                                break;

+                            case 2: needMirroring = MirroringType.FourScreenVram;

+                                break;

+                        }

+                        if (needMirroring != MirroringType.Unknown_none && needMirroring != Mirroring)

+                        {

+                            Mirroring = needMirroring;

+                            result |= 2;

+                        }

+                    }

+                }

+            }

+

+            var md5 = MD5;

+            ulong partialmd5 = 0;

+            for (int x = 0; x < 8; x++)

+                partialmd5 |= (ulong)md5[15 - x] << (x * 8);

+            // maybe this games uses battery saves?

+            foreach(var sav in savie)

+            {

+                if (!Battery && sav == partialmd5)

+                {

+                    Battery = true;

+                    result |= 4;

+                }

+            }

+

+            return (NesFixType) result;

+        }

+

+        static long[] correct = new long[]

+        {

+            0xaf5d7aa2,	 -1,		0,	/* Clu Clu Land */

+	        0xcfb224e6,	 -1,		1,	/* Dragon Ninja (J) [p1][!].nes */

+	        0x4f2f1846,	 -1,		1,	/* Famista '89 - Kaimaku Han!! (J) */

+	        0x82f204ae,	 -1,		1,	/* Liang Shan Ying Xiong (NJ023) (Ch) [!] */

+	        0x684afccd,	 -1,		1,	/* Space Hunter (J) */

+	        0xad9c63e2,	 -1,		1,	/* Space Shadow (J) */

+	        0xe1526228,	 -1,		1,	/* Quest of Ki */

+	        0xaf5d7aa2,	 -1,		0,	/* Clu Clu Land */

+	        0xcfb224e6,	 -1,		1,	/* Dragon Ninja (J) [p1][!].nes */

+	        0x4f2f1846,	 -1,		1,	/* Famista '89 - Kaimaku Han!! (J) */

+	        0xfcdaca80,	  0,		0,	/* Elevator Action */

+	        0xc05a365b,	  0,		0,	/* Exed Exes (J) */

+	        0x32fa246f,	  0,		0,	/* Tag Team Pro Wrestling */

+	        0xb3c30bea,	  0,		0,	/* Xevious (J) */

+	        0xe492d45a,	  0,		0,	/* Zippy Race */

+	        0xe28f2596,	  0,		1,	/* Pac Land (J) */

+	        0xd8ee7669,	  1,		8,	/* Adventures of Rad Gravity */

+	        0x5b837e8d,	  1,		8,	/* Alien Syndrome */

+	        0x37ba3261,	  1,		8,	/* Back to the Future 2 and 3 */

+	        0x5b6ca654,	  1,		8,	/* Barbie rev X*/

+	        0x61a852ea,	  1,		8,	/* Battle Stadium - Senbatsu Pro Yakyuu */

+	        0xf6fa4453,	  1,		8,	/* Bigfoot */

+	        0x391aa1b8,	  1,		8,	/* Bloody Warriors (J) */

+	        0xa5e8d2cd,	  1,		8,	/* Breakthru */

+	        0x3f56a392,	  1,		8,	/* Captain Ed (J) */

+	        0x078ced30,	  1,		8,	/* Choujin - Ultra Baseball */

+	        0xfe364be5,	  1,		8,	/* Deep Dungeon 4 */

+	        0x57c12280,	  1,		8,	/* Demon Sword */

+	        0xd09b74dc,	  1,		8,	/* Great Tank (J) */

+	        0xe8baa782,	  1,		8,	/* Gun Hed (J) */

+	        0x970bd9c2,	  1,		8,	/* Hanjuku Hero */

+	        0xcd7a2fd7,	  1,		8,	/* Hanjuku Hero */

+	        0x63469396,	  1,		8,	/* Hokuto no Ken 4 */

+	        0xe94d5181,	  1,		8,	/* Mirai Senshi - Lios */

+	        0x7156cb4d,	  1,		8,	/* Muppet Adventure Carnival thingy */

+	        0x70f67ab7,	  1,		8,	/* Musashi no Bouken */

+	        0x291bcd7d,	  1,		8,	/* Pachio Kun 2 */

+	        0xa9a4ea4c,	  1,		8,	/* Satomi Hakkenden */

+	        0xcc3544b0,	  1,		8,	/* Triathron */

+	        0x934db14a,	  1,	   -1,	/* All-Pro Basketball */

+	        0xf74dfc91,	  1,	   -1,	/* Win,	Lose,	or Draw */

+	        0x9ea1dc76,	  2,		0,	/* Rainbow Islands */

+	        0x6d65cac6,	  2,		0,	/* Terra Cresta */

+	        0xe1b260da,	  2,		1,	/* Argos no Senshi */

+	        0x1d0f4d6b,	  2,		1,	/* Black Bass thinging */

+	        0x266ce198,	  2,		1,	/* City Adventure Touch */

+	        0x804f898a,	  2,		1,	/* Dragon Unit */

+	        0x55773880,	  2,		1,	/* Gilligan's Island */

+	        0x6e0eb43e,	  2,		1,	/* Puss n Boots */

+	        0x2bb6a0f8,	  2,		1,	/* Sherlock Holmes */

+	        0x28c11d24,	  2,		1,	/* Sukeban Deka */

+	        0x02863604,	  2,		1,	/* Sukeban Deka */

+	        0x419461d0,	  2,		1,	/* Super Cars */

+	        0xdbf90772,	  3,		0,	/* Alpha Mission */

+	        0xd858033d,	  3,		0,	/* Armored Scrum Object */

+	        0x9bde3267,	  3,		1,	/* Adventures of Dino Riki */

+	        0xd8eff0df,	  3,		1,	/* Gradius (J) */

+	        0x1d41cc8c,	  3,		1,	/* Gyruss */

+	        0xcf322bb3,	  3,		1,	/* John Elway's Quarterback */

+	        0xb5d28ea2,	  3,		1,	/* Mystery Quest - mapper 3?*/

+	        0x02cc3973,	  3,		1,	/* Ninja Kid */

+	        0xbc065fc3,	  3,		1,	/* Pipe Dream */

+	        0xc9ee15a7,	  3,	   -1,	/* 3 is probably best.  41 WILL NOT WORK. */

+	        0x13e09d7a,	  4,		0, /*Dragon Wars (U) (proto) - comes with erroneous 4-screen mirroring set*/

+	        0x22d6d5bd,	  4,		1,

+	        0xd97c31b0,	  4,		1,	//Rasaaru Ishii no Childs Quest (J)

+	        0x404b2e8b,	  4,		2,	/* Rad Racer 2 */

+	        0x15141401,	  4,		8,	/* Asmik Kun Land */

+	        0x4cccd878,	  4,		8,	/* Cat Ninden Teyandee */

+	        0x59280bec,	  4,		8,	/* Jackie Chan */

+	        0x7474ac92,	  4,		8,	/* Kabuki: Quantum Fighter */

+	        0x5337f73c,	  4,		8,	/* Niji no Silk Road */

+	        0x9eefb4b4,	  4,		8,	/* Pachi Slot Adventure 2 */

+	        0x21a653c7,	  4,	   -1,	/* Super Sky Kid */

+	        0x9cbadc25,	  5,		8,	/* JustBreed */

+	        0xf518dd58,	  7,		8,	/* Captain Skyhawk */

+	        0x84382231,	  9,		0,	/* Punch Out (J) */

+	        0xbe939fce,	  9,		1,	/* Punchout*/

+	        0x345d3a1a,	 11,		1,	/* Castle of Deceit */

+	        0x5e66eaea,	 13,		1,	/* Videomation */

+	        0xcd373baa,	 14,	   -1,	/* Samurai Spirits (Rex Soft) */

+	        0xbfc7a2e9,	 16,		8,

+	        0x6e68e31a,	 16,		8,	/* Dragon Ball 3*/

+	        0x33b899c9,	 16,	   -1,	/* Dragon Ball - Dai Maou Fukkatsu (J) [!] */

+	        0xa262a81f,	 16,	   -1,	/* Rokudenashi Blues (J) */

+	        0x286fcd20,	 23,	   -1,	/* Ganbare Goemon Gaiden 2 - Tenka no Zaihou (J) [!] */

+	        0xe4a291ce,	 23,	   -1,	/* World Hero (Unl) [!] */

+	        0x51e9cd33,	 23,	   -1,	/* World Hero (Unl) [b1] */

+	        0x105dd586,	 27,	   -1,	/* Mi Hun Che variations... */

+	        0xbc9bb6c1,	 27,	   -1,	/* -- */

+	        0x43753886,	 27,	   -1,	/* -- */

+	        0x5b3de3d1,	 27,	   -1,	/* -- */

+	        0x511e73f8,	 27,	   -1,	/* -- */

+	        0x5555fca3,	 32,		8,

+	        0x283ad224,	 32,		8,	/* Ai Sensei no Oshiete */

+	        0x243a8735,	 32,   0x10|4,	/* Major League */

+	        0xbc7b1d0f,	 33,	   -1, /* Bakushou!! Jinsei Gekijou 2 (J) [!] */

+            //0xc2730c30,	 34,		0,	/* Deadly Towers */ // Duplicate value? WTF?

+	        0x4c7c1af3,	 34,		1,	/* Caesar's Palace */

+	        0x932ff06e,	 34,		1,	/* Classic Concentration */

+	        0xf46ef39a,	 37,	   -1,	/* Super Mario Bros. + Tetris + Nintendo World Cup (E) [!] */

+	        0x7ccb12a3,	 43,	   -1,	/* SMB2j */

+	        0x6c71feae,	 45,	   -1,	/* Kunio 8-in-1 */

+	        0xe2c94bc2,	 48,	   -1,	/* Super Bros 8 (Unl) [!] */

+	        0xaebd6549,	 48,		8,	/* Bakushou!! Jinsei Gekijou 3 */

+	        0x6cdc0cd9,	 48,		8,	/* Bubble Bobble 2 */

+	        0x99c395f9,	 48,		8,	/* Captain Saver */

+	        0xa7b0536c,	 48,		8,	/* Don Doko Don 2 */

+	        0x40c0ad47,	 48,		8,	/* Flintstones 2 */

+	        0x1500e835,	 48,		8,	/* Jetsons (J) */

+	        0xa912b064,	 51|0x800,	8,	/* 11-in-1 Ball Games (has CHR ROM when it shouldn't) */

+	        0xb19a55dd,	 64,		8,	/* Road Runner */

+	        0xf92be3ec,	 64,	   -1,	/* Rolling Thunder */

+	        0xe84274c5,	 66,		1,

+	        0xbde3ae9b,	 66,		1,	/* Doraemon */

+	        0x9552e8df,	 66,		1,	/* Dragon Ball */

+	        0x811f06d9,	 66,		1,	/* Dragon Power */

+	        0xd26efd78,	 66,		1,	/* SMB Duck Hunt */

+	        0xdd8ed0f7,	 70,		1,	/* Kamen Rider Club */

+	        0xbba58be5,	 70,	   -1,	/* Family Trainer - Manhattan Police */

+	        0x370ceb65,	 70,	   -1,	/* Family Trainer - Meiro Dai Sakusen */

+	        0xe62e3382,	 71,	   -1,	/* Mig-29 Soviet Fighter */

+	        0xac7b0742,	 71,	   -1,	/* Golden KTV (Ch) [!], not actually 71, but UNROM without BUS conflict */

+	        0x054bd3e9,	 74,	   -1,	/* Di 4 Ci - Ji Qi Ren Dai Zhan (As) */

+	        0x496ac8f7,	 74,	   -1,	/* Ji Jia Zhan Shi (As) */

+	        0xae854cef,	 74,	   -1,	/* Jia A Fung Yun (Chinese) */

+	        0xba51ac6f,	 78,		2,

+	        0x3d1c3137,	 78,		8,	/* Uchuusen - Cosmo Carrier */

+	        0xa4fbb438,	 79,		0,

+	        0xd4a76b07,	 79,		0,	/* F-15 City Wars*/

+	        0x1eb4a920,	 79,		1,	/* Double Strike */

+	        0x3e1271d5,	 79,		1,	/* Tiles of Fate */

+	        0xd2699893,	 88,		0,	/*  Dragon Spirit */

+	        0xbb7c5f7a,	 89,		8,	/* Mito Koumon or something similar */

+	        0x0da5e32e,	101,	   -1,	/* new Uruusey Yatsura */

+	        0x8eab381c,	113,		1,	/* Death Bots */

+	        0x6a03d3f3,	114,	   -1,

+	        0x0d98db53,	114,	   -1,	/* Pocahontas */

+	        0x4e7729ff,	114,	   -1,	/* Super Donkey Kong */

+	        0xc5e5c5b2,	115,	   -1,	/* Bao Qing Tian (As).nes */

+	        0xa1dc16c0,	116,	   -1,

+	        0xe40dfb7e,	116,	   -1,	/* Somari (P conf.) */

+	        0xc9371ebb,	116,	   -1,	/* Somari (W conf.) */

+	        0xcbf4366f,	118,		8,	/* Alien Syndrome (U.S. unlicensed) */

+	        0x78b657ac,	118,	   -1,	/* Armadillo */

+	        0x90c773c1,	118,	   -1,	/* Goal! 2 */

+	        0xb9b4d9e0,	118,	   -1,	/* NES Play Action Football */

+	        0x07d92c31,	118,	   -1,	/* RPG Jinsei Game */

+	        0x37b62d04,	118,	   -1,	/* Ys 3 */

+	        0x318e5502,	121,	   -1,	/* Sonic 3D Blast 6 (Unl) */

+	        0xddcfb058,	121,	   -1,	/* Street Fighter Zero 2 '97 (Unl) [!] */

+	        0x5aefbc94,	133,	   -1,	/* Jovial Race (Sachen) [a1][!] */

+	        0xc2df0a00,	140,		1,	/* Bio Senshi Dan(hacked) */

+	        0xe46b1c5d,	140,		1,	/* Mississippi Satsujin Jiken */

+	        0x3293afea,	140,		1,	/* Mississippi Satsujin Jiken */

+	        0x6bc65d7e,	140,		1,	/* Youkai Club*/

+	        0x5caa3e61,	144,		1,	/* Death Race */

+	        0x48239b42,	146,	   -1,	/* Mahjong Companion (Sachen) [!] */

+	        0xb6a727fa,	146,	   -1,	/* Papillion (As) [!] */

+	        0xa62b79e1,	146,	   -1,	/* Side Winder (HES) [!] */

+	        0xcc868d4e,	149,	   -1,	/* 16 Mahjong [p1][!] */

+	        0x29582ca1,	150,	   -1,

+	        0x40dbf7a2,	150,	   -1,

+	        0x73fb55ac,	150,	   -1,	/* 2-in-1 Cosmo Cop + Cyber Monster (Sachen) [!] */

+	        0xddcbda16,	150,	   -1,	/* 2-in-1 Tough Cop + Super Tough Cop (Sachen) [!] */

+	        0x47918d84,	150,	   -1,	/* auto-upturn */

+	        0x0f141525,	152,		8,	/* Arkanoid 2 (Japanese) */

+	        0xbda8f8e4,	152,		8,	/* Gegege no Kitarou 2 */

+	        0xb1a94b82,	152,		8,	/* Pocket Zaurus */

+	        0x026c5fca,	152,		8,	/* Saint Seiya Ougon Densetsu */

+	        0x3f15d20d,	153,		8,	/* Famicom Jump 2 */

+	        0xd1691028,	154,		8,	/* Devil Man */

+	        0xcfd4a281,	155,		8,	/* Money Game.  Yay for money! */

+	        0x2f27cdef,	155,		8,	/* Tatakae!! Rahmen Man */

+	        0xccc03440,	156,	   -1,

+	        0x983d8175,	157,		8,	/* Datach Battle Rush */

+	        0x894efdbc,	157,		8,	/* Datach Crayon Shin Chan */

+	        0x19e81461,	157,		8,	/* Datach DBZ */

+	        0xbe06853f,	157,		8,	/* Datach J-League */

+	        0x0be0a328,	157,		8,	/* Datach SD Gundam Wars */

+	        0x5b457641,	157,		8,	/* Datach Ultraman Club */

+	        0xf51a7f46,	157,		8,	/* Datach Yuu Yuu Hakusho */

+	        0xe170404c,	159,	   -1,	/* SD Gundam Gaiden - Knight Gundam Monogatari (J) (V1.0) [!] */

+	        0x276ac722,	159,	   -1,	/* SD Gundam Gaiden - Knight Gundam Monogatari (J) (V1.1) [!] */

+	        0x0cf42e69,	159,	   -1,	/* Magical Taruruuto-kun - Fantastic World!! (J) (V1.0) [!] */

+	        0xdcb972ce,	159,	   -1,	/* Magical Taruruuto-kun - Fantastic World!! (J) (V1.1) [!] */

+	        0xb7f28915,	159,	   -1,	/* Magical Taruruuto-kun 2 - Mahou Daibouken (J) */

+	        0x183859d2,	159,	   -1,	/* Dragon Ball Z - Kyoushuu! Saiya Jin (J) [!] */

+	        0x58152b42,	160,		1,	/* Pipe 5 (Sachen) */

+	        0x1c098942,	162,	   -1,	/* Xi You Ji Hou Zhuan (Ch) */

+	        0x081caaff,	163,	   -1,	/* Commandos (Ch) */

+	        0x02c41438,	176,	   -1,	/* Xing He Zhan Shi (C) */

+	        0x558c0dc3,	178,	   -1,	/* Super 2in1 (unl)[!] mapper unsupported */

+	        0xc68363f6,	180,		0,	/* Crazy Climber */

+	        0x0f05ff0a,	181,	   -1,	/* Seicross  (redump) */

+	        0x96ce586e,	189,		8,	/* Street Fighter 2 YOKO */

+	        0x555a555e,	191,	   -1,

+	        0x2cc381f6,	191,	   -1,	/* Sugoro Quest - Dice no Senshitachi (As) */

+	        0xa145fae6,	192,	   -1,

+	        0xa9115bc1,	192,	   -1,

+	        0x4c7bbb0e,	192,	   -1,

+	        0x98c1cd4b,	192,	   -1,	/* Ying Lie Qun Xia Zhuan (Chinese) */

+	        0xee810d55,	192,	   -1,	/* You Ling Xing Dong (Ch) */

+	        0x442f1a29,	192,	   -1,	/* Young chivalry */

+	        0x637134e8,	193,		1,	/* Fighting Hero */

+	        0xa925226c,	194,	   -1,	/* Dai-2-Ji - Super Robot Taisen (As) */

+	        0x7f3dbf1b,	195,		0,

+	        0xb616885c,	195,		0,	/* CHaos WOrld (Ch)*/

+	        0x33c5df92,	195,	   -1,

+	        0x1bc0be6c,	195,	   -1,	/* Captain Tsubasa Vol 2 - Super Striker (C) */

+	        0xd5224fde,	195,	   -1,	/* Crystalis (c) */

+	        0xfdec419f,	196,	   -1,	/* Street Fighter VI 16 Peoples (Unl) [!] */

+	        0x700705f4,	198,	   -1,

+	        0x9a2cf02c,	198,	   -1,

+	        0xd8b401a7,	198,	   -1,

+	        0x28192599,	198,	   -1,

+	        0x19b9e732,	198,	   -1,

+	        0xdd431ba7,	198,	   -1,	/* Tenchi wo kurau 2 (c) */

+	        0xd871d3e6,	199,	   -1,	/* Dragon Ball Z 2 - Gekishin Freeza! (C) */

+	        0xed481b7c,	199,	   -1,	/* Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (C) */

+	        0x44c20420,	199,	   -1,	/* San Guo Zhi 2 (C) */

+	        0x4e1c1e3c,	206,		0,	/* Karnov */

+	        0x276237b3,	206,		0,	/* Karnov */

+	        0x7678f1d5,	207,		8,	/* Fudou Myouou Den */

+	        0x07eb2c12,	208,	   -1,	/* Street Fighter IV */

+	        0xdd8ced31,	209,	   -1,	/* Power Rangers 3 */

+	        0x063b1151,	209,	   -1,	/* Power Rangers 4 */

+	        0xdd4d9a62,	209,	   -1,	/* Shin Samurai Spirits 2 */

+	        0x0c47946d,	210,		1,	/* Chibi Maruko Chan */

+	        0xc247cc80,	210,		1,	/* Family Circuit '91 */

+	        0x6ec51de5,	210,		1,	/* Famista '92 */

+	        0xadffd64f,	210,		1,	/* Famista '93 */

+	        0x429103c9,	210,		1,	/* Famista '94 */

+	        0x81b7f1a8,	210,		1,	/* Heisei Tensai Bakabon */

+	        0x2447e03b,	210,		1,	/* Top Striker */

+	        0x1dc0f740,	210,		1,	/* Wagyan Land 2 */

+	        0xd323b806,	210,		1,	/* Wagyan Land 3 */

+	        0xbd523011,	210,		0,	/* Dream Master */

+	        0x5daae69a,	211,	   -1,	/* Aladdin - Return of Jaffar, The (Unl) [!] */

+	        0x1ec1dfeb,	217,	   -1,	/* 255-in-1 (Cut version) [p1] */

+	        0x046d70cc,	217,	   -1,	/* 500-in-1 (Anim Splash, Alt Mapper)[p1][!] */

+	        0x12f86a4d,	217,	   -1,	/* 500-in-1 (Static Splash, Alt Mapper)[p1][!] */

+	        0xd09f778d,	217,	   -1,	/* 9999999-in-1 (Static Splash, Alt Mapper)[p1][!] */

+	        0x62ef6c79,	232,		8,	/* Quattro Sports -Aladdin */

+	        0x2705eaeb,	234,	   -1,	/* Maxi 15 */

+	        0x6f12afc5,	235,	   -1,	/* Golden Game 150-in-1 */

+	        0xfb2b6b10,	241,	   -1,	/* Fan Kong Jing Ying (Ch) */

+	        0xb5e83c9a,	241,	   -1,	/* Xing Ji Zheng Ba (Ch) */

+	        0x2537b3e6,	241,	   -1,	/* Dance Xtreme - Prima (Unl) */

+	        0x11611e89,	241,	   -1,	/* Darkseed (Unl) [p1] */

+	        0x81a37827,	241,	   -1,	/* Darkseed (Unl) [p1][b1] */

+            0xc2730c30,	241,	   -1,	/* Deadly Towers (U) [!] */ // duplicate value, WTF? This one is better

+	        0x368c19a8,	241,	   -1,	/* LIKO Study Cartridge 3-in-1 (Unl) [!] */

+	        0xa21e675c,	241,	   -1,	/* Mashou (J) [!] */

+	        0x54d98b79,	241,	   -1,	/* Titanic 1912 (Unl) */

+	        0x6bea1235,	245,	   -1,	/* MMC3 cart, but with nobanking applied to CHR-RAM, so let it be there */

+	        0x345ee51a,	245,	   -1,	/* DQ4c */

+	        0x57514c6c,	245,	   -1,	/* Yong Zhe Dou E Long - Dragon Quest VI (Ch) */		        

+            0xba51ac6f, 78,         8,  /* Holy Diver */

+            0x0ae6c9e2, 2,          1,  /* Castelian */

+            0x1b71ccdb, 4,          8,  /* Gauntlet II */

+            0x59977a46, 0,          1,  /* Mach Rider */

+            0x79f80127, 0,          1,  /* Mach Rider (rus) */

+        };

+        static ulong[] savie = new ulong[]

+	    {

+		    0xc04361e499748382,	/* AD&D Heroes of the Lance */

+		    0xb72ee2337ced5792,	/* AD&D Hillsfar */

+		    0x2b7103b7a27bd72f,	/* AD&D Pool of Radiance */

+		    0x498c10dc463cfe95,	/* Battle Fleet */

+		    0x854d7947a3177f57,	/* Crystalis */

+		    0x4a1f5336b86851b6,	/* DW */

+		    0xb0bcc02c843c1b79,	/* DW */

+		    0x2dcf3a98c7937c22,	/* DW 2 */

+		    0x98e55e09dfcc7533,	/* DW 4*/

+		    0x733026b6b72f2470,	/* Dw 3 */

+		    0x6917ffcaca2d8466,	/* Famista '90 */

+		    0x8da46db592a1fcf4,	/* Faria */

+		    0xedba17a2c4608d20,	/* Final Fantasy */

+		    0x91a6846d3202e3d6,	/* Final Fantasy */

+		    0x012df596e2b31174,	/* Final Fantasy 1+2 */

+		    0xf6b359a720549ecd,	/* Final Fantasy 2 */

+		    0x5a30da1d9b4af35d,	/* Final Fantasy 3 */

+		    0xd63dcc68c2b20adc,	/* Final Fantasy J */

+		    0x2ee3417ba8b69706,	/* Hydlide 3*/

+		    0xebbce5a54cf3ecc0,	/* Justbreed */

+		    0x6a858da551ba239e,	/* Kaijuu Monogatari */

+		    0x2db8f5d16c10b925,	/* Kyonshiizu 2 */

+		    0x04a31647de80fdab,	/* Legend of Zelda */

+		    0x94b9484862a26cba,	/* Legend of Zelda */

+		    0xa40666740b7d22fe,	/* Mindseeker */

+		    0x82000965f04a71bb,	/* Mirai Shinwa Jarvas */

+		    0x77b811b2760104b9,	/* Mouryou Senki Madara */

+		    0x11b69122efe86e8c,	/* RPG Jinsei Game */

+		    0x9aa1dc16c05e7de5,	/* Startropics */

+		    0x1b084107d0878bd0,	/* Startropics 2*/

+		    0xa70b495314f4d075,	/* Ys 3 */

+		    0x836c0ff4f3e06e45,	/* Zelda 2 */

+	    };

+    }

+}

diff --git a/NesGame.cs b/NesGame.cs
index 63995ba9..1b2dd674 100644
--- a/NesGame.cs
+++ b/NesGame.cs
@@ -10,6 +10,7 @@ using System.Linq;
 using System.Text;

 using System.Text.RegularExpressions;

 using System.Windows.Forms;

+using System.Xml.XPath;

 

 namespace com.clusterrr.hakchi_gui

 {

@@ -28,6 +29,8 @@ namespace com.clusterrr.hakchi_gui
         public string ReleaseDate;

         public string Publisher;

 

+        private static Dictionary<uint, CachedGameInfo> gameInfoCache = null;

+

         const string DefaultReleaseDate = "1983-07-15";

         const string DefaultArgs = "--guest-overscan-dimensions 0,0,9,3 --initial-fadein-durations 3,2 --volume 75 --enable-armet";

         const string DefaultPublisher = "Nintendo";

@@ -94,6 +97,20 @@ namespace com.clusterrr.hakchi_gui
         {

             Bitmap outImage;

             Bitmap outImageSmall;

+            Graphics gr;

+

+            if (image == null)

+            {

+                image = Resources.blank;

+                image.Save(IconPath, ImageFormat.Png);

+                outImageSmall = new Bitmap(28, 40, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);

+                gr = Graphics.FromImage(outImageSmall);

+                gr.DrawImage(image, new Rectangle(0, 0, outImageSmall.Width, outImageSmall.Height), new Rectangle(0, 0, image.Width, image.Height), GraphicsUnit.Pixel);

+                gr.Flush();                

+                outImageSmall.Save(SmallIconPath, ImageFormat.Png);

+                return;

+            }

+

             if (image.Height > image.Width)

             {

                 outImage = new Bitmap(140, 204, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);

@@ -104,7 +121,7 @@ namespace com.clusterrr.hakchi_gui
                 outImage = new Bitmap(204, 140, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);

                 outImageSmall = new Bitmap(28, 40, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);

             }

-            var gr = Graphics.FromImage(outImage);

+            gr = Graphics.FromImage(outImage);

             /*

             if (image.Width / image.Height > outImage.Width / outImage.Height)

                 gr.DrawImage(image, new Rectangle(0, 0, outImage.Width, outImage.Height),

@@ -152,11 +169,12 @@ namespace com.clusterrr.hakchi_gui
                 "SortRawTitle={5}\n" +

                 "SortRawPublisher={6}\n" +

                 "Copyright=hakchi2 ©2017 Alexey 'Cluster' Avdyukhin\n",

-                Code, Args ?? DefaultArgs, Name ?? Code, Players, ReleaseDate ?? DefaultReleaseDate, (Name ?? Code).ToLower(), (Publisher ?? DefaultPublisher) .ToUpper(), Simultaneous ? 1 : 0));

+                Code, Args ?? DefaultArgs, Name ?? Code, Players, ReleaseDate ?? DefaultReleaseDate, (Name ?? Code).ToLower(), (Publisher ?? DefaultPublisher).ToUpper(), Simultaneous ? 1 : 0));

         }

 

         public NesGame(string gamesDirectory, string nesFileName, bool ignoreMapper = false)

         {

+            uint crc32;

             if (!Path.GetExtension(nesFileName).ToLower().Equals(".fds"))

             {

                 var nesFile = new NesFile(nesFileName);

@@ -166,7 +184,7 @@ namespace com.clusterrr.hakchi_gui
                     throw new UnsupportedMapperException(nesFile);

                 if (nesFile.Mirroring == NesFile.MirroringType.FourScreenVram && !ignoreMapper)

                     throw new UnsupportedFourScreenException(nesFile);

-                var crc32 = nesFile.CRC32;

+                crc32 = nesFile.CRC32;

                 Code = string.Format("CLV-H-{0}{1}{2}{3}{4}",

                     (char)('A' + (crc32 % 26)),

                     (char)('A' + (crc32 >> 5) % 26),

@@ -182,7 +200,7 @@ namespace com.clusterrr.hakchi_gui
             else

             {

                 var fdsData = File.ReadAllBytes(nesFileName);

-                var crc32 = CRC32(fdsData);

+                crc32 = CRC32(fdsData);

                 Code = string.Format("CLV-H-{0}{1}{2}{3}{4}",

                     (char)('A' + (crc32 % 26)),

                     (char)('A' + (crc32 >> 5) % 26),

@@ -197,47 +215,110 @@ namespace com.clusterrr.hakchi_gui
             }

 

             Name = Path.GetFileNameWithoutExtension(nesFileName);

-            Name = Regex.Replace(Name, @" ?\(.*?\)", string.Empty).Trim();

-            Name = Regex.Replace(Name, @" ?\[.*?\]", string.Empty).Trim();

-            Name = Name.Replace(", The", "").Replace("_", " ").Replace("  ", " ").Trim();

             Players = 1;

             ReleaseDate = DefaultReleaseDate;

             Publisher = DefaultPublisher;

+

+            CachedGameInfo gameinfo;

+            if (gameInfoCache != null && gameInfoCache.TryGetValue(crc32, out gameinfo))

+            {

+                Name = gameinfo.Name;

+                Players = gameinfo.Players;

+                if (Players > 1) Simultaneous = true; // actually unknown...

+                ReleaseDate = gameinfo.ReleaseDate;

+                if (ReleaseDate.Length == 4) ReleaseDate += "-01";

+                if (ReleaseDate.Length == 7) ReleaseDate += "-01";

+                Publisher = gameinfo.Publisher;

+            }

+

+            int commaPos = Name.IndexOf(",");

+            if (commaPos > 0)

+                Name = Name.Substring(0, commaPos);

+            Name = Regex.Replace(Name, @" ?\(.*?\)", string.Empty).Trim();

+            Name = Regex.Replace(Name, @" ?\[.*?\]", string.Empty).Trim();

+            Name = Name.Replace("_", " ").Replace("  ", " ").Trim();

             Args = DefaultArgs;

             IconPath = Path.Combine(GamePath, Code + ".png");

             SmallIconPath = Path.Combine(GamePath, Code + "_small.png");

-            SetImage(Resources.blank);

+            SetImage(null);

             Save();

         }

 

-        private static uint CRC32(byte []data)

+        private static uint CRC32(byte[] data)

         {

-                uint poly = 0xedb88320;

-                uint[] table = new uint[256];

-                uint temp = 0;

-                for (uint i = 0; i < table.Length; ++i)

+            uint poly = 0xedb88320;

+            uint[] table = new uint[256];

+            uint temp = 0;

+            for (uint i = 0; i < table.Length; ++i)

+            {

+                temp = i;

+                for (int j = 8; j > 0; --j)

                 {

-                    temp = i;

-                    for (int j = 8; j > 0; --j)

+                    if ((temp & 1) == 1)

                     {

-                        if ((temp & 1) == 1)

-                        {

-                            temp = (uint)((temp >> 1) ^ poly);

-                        }

-                        else

-                        {

-                            temp >>= 1;

-                        }

+                        temp = (uint)((temp >> 1) ^ poly);

+                    }

+                    else

+                    {

+                        temp >>= 1;

                     }

-                    table[i] = temp;

                 }

-                uint crc = 0xffffffff;

-                for (int i = 0; i < data.Length; ++i)

+                table[i] = temp;

+            }

+            uint crc = 0xffffffff;

+            for (int i = 0; i < data.Length; ++i)

+            {

+                byte index = (byte)(((crc) & 0xff) ^ data[i]);

+                crc = (uint)((crc >> 8) ^ table[index]);

+            }

+            return ~crc;

+        }

+

+        private struct CachedGameInfo

+        {

+            public string Name;

+            public byte Players;

+            public string ReleaseDate;

+            public string Publisher;

+        }

+

+        public static void LoadCache()

+        {

+            try

+            {

+                var xmlDataBasePath = Path.Combine(Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "data"), "nescarts.xml");

+

+                if (File.Exists(xmlDataBasePath))

                 {

-                    byte index = (byte)(((crc) & 0xff) ^ data[i]);

-                    crc = (uint)((crc >> 8) ^ table[index]);

+                    var xpath = new XPathDocument(xmlDataBasePath);

+                    var navigator = xpath.CreateNavigator();

+                    var iterator = navigator.Select("/database/game");

+                    gameInfoCache = new Dictionary<uint, CachedGameInfo>();

+                    while (iterator.MoveNext())

+                    {

+                        XPathNavigator current = iterator.Current;

+                        var cartridges = current.Select("cartridge");

+                        while (cartridges.MoveNext())

+                        {

+                            var cartridge = cartridges.Current;

+                            try

+                            {

+                                var crc = Convert.ToUInt32(cartridge.GetAttribute("crc", ""), 16);

+                                gameInfoCache[crc] = new CachedGameInfo

+                                {

+                                    Name = current.GetAttribute("name", ""),

+                                    Players = (byte)((current.GetAttribute("players", "") != "1") ? 2 : 1),

+                                    ReleaseDate = current.GetAttribute("date", ""),

+                                    Publisher = current.GetAttribute("publisher", "")

+                                };

+                            }

+                            catch { }

+                        };

+                    }

                 }

-                return ~crc;

             }

+            catch { }

+        }

     }

 }

+

diff --git a/Properties/Resources.Designer.cs b/Properties/Resources.Designer.cs
index 8d42c307..21d78cb8 100644
--- a/Properties/Resources.Designer.cs
+++ b/Properties/Resources.Designer.cs
@@ -387,6 +387,20 @@ namespace com.clusterrr.hakchi_gui.Properties {
         }

         

         /// <summary>

+        ///   Looks up a localized string similar to &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-16&quot;?&gt;
+        ///&lt;database version=&quot;1.0&quot; conformance=&quot;strict&quot; agent=&quot;NesCartDB&quot; author=&quot;BootGod&quot; timestamp=&quot;Sat Aug 20 20:34:07 2016
+        ///&quot;&gt;
+        ///	&lt;game name=&quot;&amp;apos;89 Dennou Kyuusei Uranai&quot; altname=&quot;神宮館’８９電脳九星占い&quot; class=&quot;Licensed&quot; catalog=&quot;IPC-J1-01&quot; publisher=&quot;Jingukan&quot; developer=&quot;Micronics / Khaos&quot; region=&quot;Japan&quot; players=&quot;1&quot; date=&quot;1988-12-10&quot;&gt;
+        ///		&lt;cartridge system=&quot;Famicom&quot; crc=&quot;BA58ED29&quot; sha1=&quot;56FE858D1035DCE4B68520F457A0858BAE7BB16D&quot; dump=&quot;ok&quot; dumper=&quot;bootgod&quot; datedumped=&quot;2007-11-11&quot;&gt;
+        ///			&lt;bo [rest of string was truncated]&quot;;.

+        /// </summary>

+        internal static string nescarts {

+            get {

+                return ResourceManager.GetString("nescarts", resourceCulture);

+            }

+        }

+        

+        /// <summary>

         ///   Looks up a localized string similar to New selection preset.

         /// </summary>

         internal static string NewPreset {

diff --git a/Properties/Resources.resx b/Properties/Resources.resx
index 43400b4e..75c91d8e 100644
--- a/Properties/Resources.resx
+++ b/Properties/Resources.resx
@@ -298,4 +298,7 @@
   <data name="UninstallQ2" xml:space="preserve">

     <value>Done. Wait until the power led goes out. Also you need to flash original kernel. Do you want to flash original kernel now?</value>

   </data>

+  <data name="nescarts" type="System.Resources.ResXFileRef, System.Windows.Forms">

+    <value>..\data\nescarts.xml;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-16</value>

+  </data>

 </root>
\ No newline at end of file
diff --git a/data/nescarts.xml b/data/nescarts.xml
new file mode 100644
index 00000000..cca37c55
--- /dev/null
+++ b/data/nescarts.xml
diff --git a/hakchi_gui.csproj b/hakchi_gui.csproj
index 2f98698a..829b134b 100644
--- a/hakchi_gui.csproj
+++ b/hakchi_gui.csproj
@@ -336,6 +336,9 @@
     <None Include="images\blank.jpg" />

   </ItemGroup>

   <ItemGroup>

+    <Content Include="data\nescarts.xml">

+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>

+    </Content>

     <Content Include="driver\nesmini_driver.exe">

       <CopyToOutputDirectory>Always</CopyToOutputDirectory>

     </Content>