using System;
using System.IO;

namespace FriskySNES {
    public class ROM {
        public byte[] data;

        public ROM(Stream stream)
        {
            BinaryReader reader = new BinaryReader(stream);
            data = reader.ReadBytes((int)stream.Length);
        }

        public static int ROMSizeInMBitFromSizeByte(byte b)
        {
            return (2 << (b - 8));
        }

        public static int SRAMSizeInMBitFromSizeByte(byte b)
        {
            return (1 << (b + 3));
        }
    }

/* ----------------------------------------------------------------------------
 *   Useful enum types 
 * ------------------------------------------------------------------------- */

    public enum ROMSpeed : byte {
        SlowROM = 0,
        FastROM = 3
    }

    public enum ROMBankSize : byte {
        LoROM = 0,
        HiROM = 1
    }

    public enum ROMType : byte {
        ROM                 = 0,
        ROMAndRAM           = 1,
        ROMAndSRAM          = 2,
        ROMAndDSP1          = 3,
        ROMAndRAMAndDSP1    = 4,
        ROMAndSRAMAndDSP1   = 5,
        ROMAndSuperFX       = 6,
        ROMAndRAMAndGameBoy = 227,
        ROMAndDSP2          = 246
    }

    public enum Region : byte {
        JP  = 0,
        US  = 1,
        AU  = 2,
        SE  = 3,
        FI  = 4,
        DK  = 5,
        FR  = 6,
        NL  = 7,
        ES  = 8,
        DE  = 9,
        IT  = 10,
        CN  = 11,
        ID  = 12,
        KR  = 13
    }

    public enum Licensee : byte {
        Nintendo                        = 1,
        ImagineerZoom                   = 3,
        Zamuse                          = 5,
        Falcom                          = 6,
        Capcom                          = 8,
        HOTB                            = 9,
        Jaleco                          = 10,
        Coconuts                        = 11,
        RageSoftware                    = 12,
        Technos                         = 14,
        MebioSoftware                   = 15,
        GremlinGraphics                 = 18,
        ElectronicArts                  = 19,
        COBRATeam                       = 21,
        HumanField                      = 22,
        KOEI                            = 23,
        HudsonSoft                      = 24,
        Yanoman                         = 26,
        Tecmo                           = 28,
        OpenSystem                      = 30,
        VirginGames                     = 31,
        KSS                             = 32,
        Sunsoft                         = 33,
        POW                             = 34,
        MicroWorld                      = 35,
        Enix                            = 38,
        LoricielElectroBrain            = 39,
        Kemco                           = 40,
        SetaCoLtd                       = 41,
        VisitCoLtd                      = 45,
        Carrozzeria                     = 49,
        Dynamic                         = 50,
        Nintendo2                       = 51,
        Magifact                        = 52,
        Hect                            = 53,
        EmpireSoftware                  = 60,
        Loriciel                        = 61,
        SeikaCorp                       = 64,
        Ubisoft                         = 65,
        System3                         = 70,
        SpectrumHolobyte                = 71,
        Irem                            = 73,
        RayaSystemsSculpturedSoftware   = 75,
        RenovationProducts              = 76,
        MalibuGamesBlackPearl           = 77,
        USGold                          = 79,
        AbsoluteEntertainment           = 80,
        Acclaim                         = 81,
        Activision                      = 82,
        AmericanSammy                   = 83,
        GameTek                         = 84,
        HiTechExpressions               = 85,
        LJNToys                         = 86,
        Mindscape                       = 90,
        Tradewest                       = 93,
        AmericanSoftworksCorp           = 95,
        Titus                           = 96,
        VirginInteractiveEntertainment  = 97,
        Maxis                           = 98,
        Ocean                           = 103,
        ElectronicArts2                 = 105,
        LaserBeam                       = 107,
        Elite                           = 110,
        ElectroBrain                    = 111,
        Infogrames                      = 112,
        Interplay                       = 113,
        LucasArts                       = 114,
        ParkerBrothers                  = 115,
        STORM                           = 117,
        THQSoftware                     = 120,
        AccoladeInc                     = 121,
        TriffixEntertainment            = 122,
        Microprose                      = 124,
        Kemco2                          = 127,
        Misawa                          = 128,
        Teichio                         = 129,
        NamcoLtd                        = 130,
        Lozc                            = 131,
        KOEI2                           = 132,
        TokumaShotenIntermedia          = 134,
        DATAMPolystar                   = 136,
        BulletProofSoftware             = 139,
        VicTokai                        = 140,
        CharacterSoft                   = 142,
        IMax                            = 143,
        Takara                          = 144,
        CHUNSoft                        = 145,
        VideoSystemCoLtd                = 146,
        BEC                             = 147,
        Varie                           = 149,
        Kaneco                          = 151,
        PackInVideo                     = 153,
        Nichibutsu                      = 154,
        TECMO                           = 155,
        ImagineerCo                     = 156,
        Telenet                         = 160,
        Konami                          = 164,
        KAmusementLeasingCo             = 165,
        Takara2                         = 167,
        TechnosJap                      = 169,
        JVC                             = 170,
        ToeiAnimation                   = 172,
        Toho                            = 173,
        NamcoLtd2                       = 175,
        ASCIICoActivision               = 177,
        BandaiAmerica                   = 178,
        Enix2                           = 180,
        Halken                          = 182,
        CultureBrain                    = 186,
        Sunsoft2                        = 187,
        ToshibaEMI                      = 188,
        SonyImagesoft                   = 189,
        Sammy                           = 191,
        Taito                           = 192,
        Kemco3                          = 194,
        Square                          = 195,
        TokumaSoft                      = 196,
        DataEast                        = 197,
        TonkinHouse                     = 198,
        KOEI3                           = 200,
        KonamiUSA                       = 202,
        NTVIC                           = 203,
        Meldac                          = 205,
        PonyCanyon                      = 206,
        SotsuAgencySunrise              = 207,
        DiscoTaito                      = 208,
        Sofel                           = 209,
        QuestCorp                       = 210,
        Sigma                           = 211,
        Naxat                           = 214,
        CapcomCoLtd                     = 216,
        Banpresto                       = 217,
        Tomy                            = 218,
        Acclaim2                        = 219,
        NCS                             = 221,
        HumanEntertainment              = 222,
        Altron                          = 223,
        Jaleco2                         = 224,
        Yutaka                          = 226,
        TAndESoft                       = 228,
        EPOCHCoLtd                      = 229,
        Athena                          = 231,
        Asmik                           = 232,
        Natsume                         = 233,
        KingRecords                     = 234,
        Atlus                           = 235,
        SonyMusicEntertainment          = 236,
        IGS                             = 238,
        MotownSoftware                  = 241,
        LeftFieldEntertainment          = 242,
        BeamSoftware                    = 243,
        TecMagik                        = 244,
        Cybersoft                       = 249,
        HudsonSoft2                     = 255
    }
}