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https://github.com/aaru-dps/Aaru.git
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Refactor IP.BIN decoders.
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@@ -31,33 +31,71 @@
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// ****************************************************************************/
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using System;
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using System.Globalization;
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using System.Runtime.InteropServices;
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using System.Text;
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using DiscImageChef.Console;
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namespace DiscImageChef.Decoders.Sega
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{
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public class Dreamcast
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public static class Dreamcast
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct IPBin
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{
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public byte[] SegaHardwareID; //16
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public byte[] maker_id; //16 // 0x010, "SEGA ENTERPRISES"
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public byte[] dreamcast_crc; //4 // 0x020, CRC of product_no and product_version
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public byte[] spare_space1; //1 // 0x024, " "
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public byte[] dreamcast_media; //6 // 0x025, "GD-ROM"
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public byte[] disc_no; //1 // 0x02B, Disc number
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public byte[] disc_no_separator; //1 // 0x02C, '/'
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public byte[] disc_total_nos; //1 // 0x02D, Total number of discs
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public byte[] spare_space2; //2 // 0x02E, " "
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public byte[] region_codes; //8 // 0x030, Region codes, space-filled
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public byte[] peripherals; //7 // 0x038, Supported peripherals, bitwise
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public byte[] product_no; //10 // 0x03C, Product number
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public byte[] product_version; //6 // 0x046, Product version
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public byte[] release_date; //8 // 0x04C, YYYYMMDD
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public byte[] spare_space3; //8 // 0x054, " "
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public byte[] boot_filename; //12 // 0x05C, Usually "1ST_READ.BIN" or "0WINCE.BIN "
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public byte[] producer; //16 // 0x068, Game producer, space-filled
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public byte[] product_name; //128 // 0x078, Game name, space-filled
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/// <summary>Must be "SEGA SEGAKATANA "</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] SegaHardwareID;
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/// <summary>0x010, "SEGA ENTERPRISES"</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] maker_id;
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/// <summary>0x020, CRC of product_no and product_version</summary>
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public uint dreamcast_crc;
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/// <summary>0x024, " "</summary>
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public byte spare_space1;
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/// <summary>0x025, "GD-ROM"</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
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public byte[] dreamcast_media;
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/// <summary>0x02B, Disc number</summary>
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public byte disc_no;
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/// <summary>0x02C, '/'</summary>
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public byte disc_no_separator;
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/// <summary>0x02D, Total number of discs</summary>
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public byte disc_total_nos;
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/// <summary>0x02E, " "</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public byte[] spare_space2;
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/// <summary>0x030, Region codes, space-filled</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] region_codes;
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/// <summary>0x038, Supported peripherals, bitwise</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
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public byte[] peripherals;
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/// <summary>0x03F, ' '</summary>
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public byte spare_space3;
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/// <summary>0x040, Product number</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
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public byte[] product_no;
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/// <summary>0x04A, Product version</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
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public byte[] product_version;
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/// <summary>0x050, YYYYMMDD</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] release_date;
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/// <summary>0x058, " "</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] spare_space4;
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/// <summary>0x060, Usually "1ST_READ.BIN" or "0WINCE.BIN "</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] boot_filename;
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/// <summary>0x06C, " "</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
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public byte[] spare_space5;
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/// <summary>0x070, Game producer, space-filled</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] producer;
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/// <summary>0x080, Game name, space-filled</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
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public byte[] product_name;
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}
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public static IPBin? DecodeIPBin(byte[] ipbin_sector)
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@@ -69,68 +107,29 @@ namespace DiscImageChef.Decoders.Sega
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return null;
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IPBin ipbin = new IPBin();
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ipbin.SegaHardwareID = new byte[16];
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// Declarations following
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ipbin.maker_id = new byte[16]; // 0x010, "SEGA ENTERPRISES"
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ipbin.dreamcast_crc = new byte[4]; // 0x020, CRC of product_no and product_version
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ipbin.spare_space1 = new byte[1]; // 0x024, " "
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ipbin.dreamcast_media = new byte[6]; // 0x025, "GD-ROM"
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ipbin.disc_no = new byte[1]; // 0x02B, Disc number
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ipbin.disc_no_separator = new byte[1]; // 0x02C, '/'
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ipbin.disc_total_nos = new byte[1]; // 0x02D, Total number of discs
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ipbin.spare_space2 = new byte[2]; // 0x02E, " "
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ipbin.region_codes = new byte[8]; // 0x030, Region codes, space-filled
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ipbin.peripherals = new byte[7]; // 0x038, Supported peripherals, bitwise
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ipbin.product_no = new byte[10]; // 0x03C, Product number
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ipbin.product_version = new byte[6]; // 0x046, Product version
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ipbin.release_date = new byte[8]; // 0x04C, YYYYMMDD
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ipbin.spare_space3 = new byte[8]; // 0x054, " "
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ipbin.boot_filename = new byte[12]; // 0x05C, Usually "1ST_READ.BIN" or "0WINCE.BIN "
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ipbin.producer = new byte[16]; // 0x068, Game producer, space-filled
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ipbin.product_name = new byte[128]; // 0x078, Game name, space-filled
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// Reading all data
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Array.Copy(ipbin_sector, 0x010, ipbin.maker_id, 0, 16); // "SEGA ENTERPRISES"
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Array.Copy(ipbin_sector, 0x020, ipbin.dreamcast_crc, 0, 4); // CRC of product_no and product_version (hex)
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Array.Copy(ipbin_sector, 0x024, ipbin.spare_space1, 0, 1); // " "
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Array.Copy(ipbin_sector, 0x025, ipbin.dreamcast_media, 0, 6); // "GD-ROM"
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Array.Copy(ipbin_sector, 0x02B, ipbin.disc_no, 0, 1); // Disc number
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Array.Copy(ipbin_sector, 0x02C, ipbin.disc_no_separator, 0, 1); // '/'
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Array.Copy(ipbin_sector, 0x02D, ipbin.disc_total_nos, 0, 1); // Total number of discs
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Array.Copy(ipbin_sector, 0x02E, ipbin.spare_space2, 0, 2); // " "
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Array.Copy(ipbin_sector, 0x030, ipbin.region_codes, 0, 8); // Region codes, space-filled
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Array.Copy(ipbin_sector, 0x038, ipbin.peripherals, 0, 7); // Supported peripherals, hexadecimal
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Array.Copy(ipbin_sector, 0x040, ipbin.product_no, 0, 10); // Product number
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Array.Copy(ipbin_sector, 0x04A, ipbin.product_version, 0, 6); // Product version
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Array.Copy(ipbin_sector, 0x050, ipbin.release_date, 0, 8); // YYYYMMDD
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Array.Copy(ipbin_sector, 0x058, ipbin.spare_space3, 0, 8); // " "
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Array.Copy(ipbin_sector, 0x060, ipbin.boot_filename, 0, 12); // Usually "1ST_READ.BIN" or "0WINCE.BIN "
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Array.Copy(ipbin_sector, 0x070, ipbin.producer, 0, 16); // Game producer, space-filled
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Array.Copy(ipbin_sector, 0x080, ipbin.product_name, 0, 128); // Game name, space-filled
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IntPtr ptr = Marshal.AllocHGlobal(512);
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Marshal.Copy(ipbin_sector, 0, ptr, 512);
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ipbin = (IPBin)Marshal.PtrToStructure(ptr, typeof(IPBin));
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Marshal.FreeHGlobal(ptr);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.maker_id = \"{0}\"", Encoding.ASCII.GetString(ipbin.maker_id));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.dreamcast_crc = 0x{0}", Encoding.ASCII.GetString(ipbin.dreamcast_crc));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.spare_space1 = \"{0}\"", Encoding.ASCII.GetString(ipbin.spare_space1));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.spare_space1 = \"{0}\"", (char)ipbin.spare_space1);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.dreamcast_media = \"{0}\"", Encoding.ASCII.GetString(ipbin.dreamcast_media));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_no = {0}", Encoding.ASCII.GetString(ipbin.disc_no));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_no_separator = \"{0}\"", Encoding.ASCII.GetString(ipbin.disc_no_separator));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_total_nos = \"{0}\"", Encoding.ASCII.GetString(ipbin.disc_total_nos));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_no = {0}", (char)ipbin.disc_no);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_no_separator = \"{0}\"", (char)ipbin.disc_no_separator);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.disc_total_nos = \"{0}\"", (char)ipbin.disc_total_nos);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.spare_space2 = \"{0}\"", Encoding.ASCII.GetString(ipbin.spare_space2));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.region_codes = \"{0}\"", Encoding.ASCII.GetString(ipbin.region_codes));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.peripherals = \"{0}\"", Encoding.ASCII.GetString(ipbin.peripherals));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.product_no = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_no));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.product_version = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_version));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.release_date = \"{0}\"", Encoding.ASCII.GetString(ipbin.release_date));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.spare_space3 = \"{0}\"", Encoding.ASCII.GetString(ipbin.spare_space3));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.spare_space3 = \"{0}\"", (char)ipbin.spare_space3);
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.boot_filename = \"{0}\"", Encoding.ASCII.GetString(ipbin.boot_filename));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.producer = \"{0}\"", Encoding.ASCII.GetString(ipbin.producer));
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DicConsole.DebugWriteLine("ISO9660 plugin", "dreamcast_ipbin.product_name = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_name));
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string id = Encoding.ASCII.GetString(ipbin.SegaHardwareID);
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if(id == "SEGA SEGAKATANA ")
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return ipbin;
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else
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return null;
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return Encoding.ASCII.GetString(ipbin.SegaHardwareID) == "SEGA SEGAKATANA " ? ipbin : (IPBin?)null;
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}
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public static string Prettify(IPBin? decoded)
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@@ -152,9 +151,10 @@ namespace DiscImageChef.Decoders.Sega
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ipbindate = DateTime.ParseExact(Encoding.ASCII.GetString(ipbin.release_date), "yyyyMMdd", provider);
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IPBinInformation.AppendFormat("Product name: {0}", Encoding.ASCII.GetString(ipbin.product_name)).AppendLine();
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IPBinInformation.AppendFormat("Product version: {0}", Encoding.ASCII.GetString(ipbin.product_version)).AppendLine();
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IPBinInformation.AppendFormat("Product CRC: 0x{0:X8}", ipbin.dreamcast_crc).AppendLine();
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IPBinInformation.AppendFormat("Producer: {0}", Encoding.ASCII.GetString(ipbin.producer)).AppendLine();
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IPBinInformation.AppendFormat("Disc media: {0}", Encoding.ASCII.GetString(ipbin.dreamcast_media)).AppendLine();
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IPBinInformation.AppendFormat("Disc number {0} of {1}", Encoding.ASCII.GetString(ipbin.disc_no), Encoding.ASCII.GetString(ipbin.disc_total_nos)).AppendLine();
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IPBinInformation.AppendFormat("Disc number {0} of {1}", (char)ipbin.disc_no, (char)ipbin.disc_total_nos).AppendLine();
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IPBinInformation.AppendFormat("Release date: {0}", ipbindate).AppendLine();
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switch(Encoding.ASCII.GetString(ipbin.boot_filename))
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{
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@@ -240,8 +240,8 @@ namespace DiscImageChef.Decoders.Sega
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if((iPeripherals & 0x08000000) == 0x08000000)
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IPBinInformation.AppendLine("Game supports Mouse.");
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if((iPeripherals & 0xF00000EE) != 0)
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IPBinInformation.AppendFormat("Game supports unknown peripherals mask {0:X2}", (iPeripherals & 0xF00000EE));
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if((iPeripherals & 0xEE) != 0)
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IPBinInformation.AppendFormat("Game supports unknown peripherals mask {0:X2}", (iPeripherals & 0xEE));
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return IPBinInformation.ToString();
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}
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