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Refactor IP.BIN decoders.

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This commit is contained in:
Natalia Portillo
2017-10-08 18:55:06 +01:00
parent e2749b31a2
commit ca7b489c17
3 changed files with 223 additions and 248 deletions
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97
DiscImageChef.Decoders/Sega/Saturn.cs
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@@ -31,6 +31,7 @@
// ****************************************************************************/
using System;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Text;
using DiscImageChef.Console;
@@ -38,21 +39,45 @@ namespace DiscImageChef.Decoders.Sega
{
public static class Saturn
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct IPBin
{
public byte[] SegaHardwareID; //16
public byte[] maker_id; //[16 // 0x010, "SEGA ENTERPRISES"
public byte[] product_no; //[10 // 0x020, Product number
public byte[] product_version; //[6 // 0x02A, Product version
public byte[] release_date; //[8 // 0x030, YYYYMMDD
public byte[] saturn_media; //[3 // 0x038, "CD-"
public byte[] disc_no; //[1 // 0x03B, Disc number
public byte[] disc_no_separator; //[1 // 0x03C, '/'
public byte[] disc_total_nos; //[1 // 0x03D, Total number of discs
public byte[] spare_space1; //[2 // 0x03E, " "
public byte[] region_codes; //[16 // 0x040, Region codes, space-filled
public byte[] peripherals; //[16 // 0x050, Supported peripherals, see above
public byte[] product_name; //[112 // 0x060, Game name, space-filled
/// <summary>Must be "SEGA SEGASATURN "</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] SegaHardwareID;
/// <summary>0x010, "SEGA ENTERPRISES"</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] maker_id;
/// <summary>0x020, Product number</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
public byte[] product_no;
/// <summary>0x02A, Product version</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
public byte[] product_version;
/// <summary>0x030, YYYYMMDD</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public byte[] release_date;
/// <summary>0x038, "CD-"</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
public byte[] saturn_media;
/// <summary>0x03B, Disc number</summary>
public byte disc_no;
/// <summary>// 0x03C, '/'</summary>
public byte disc_no_separator;
/// <summary>// 0x03D, Total number of discs</summary>
public byte disc_total_nos;
/// <summary>0x03E, " "</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
public byte[] spare_space1;
/// <summary>0x040, Region codes, space-filled</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] region_codes;
/// <summary>0x050, Supported peripherals, see above</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] peripherals;
/// <summary>0x060, Game name, space-filled</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 112)]
public byte[] product_name;
}
public static IPBin? DecodeIPBin(byte[] ipbin_sector)
@@ -64,54 +89,26 @@ namespace DiscImageChef.Decoders.Sega
return null;
IPBin ipbin = new IPBin();
ipbin.SegaHardwareID = new byte[16];
// Definitions following
ipbin.maker_id = new byte[16]; // 0x010, "SEGA ENTERPRISES"
ipbin.product_no = new byte[10]; // 0x020, Product number
ipbin.product_version = new byte[6]; // 0x02A, Product version
ipbin.release_date = new byte[8]; // 0x030, YYYYMMDD
ipbin.saturn_media = new byte[3]; // 0x038, "CD-"
ipbin.disc_no = new byte[1]; // 0x03B, Disc number
ipbin.disc_no_separator = new byte[1]; // 0x03C, '/'
ipbin.disc_total_nos = new byte[1]; // 0x03D, Total number of discs
ipbin.spare_space1 = new byte[2]; // 0x03E, " "
ipbin.region_codes = new byte[16]; // 0x040, Region codes, space-filled
ipbin.peripherals = new byte[16]; // 0x050, Supported peripherals, see above
ipbin.product_name = new byte[112]; // 0x060, Game name, space-filled
// Reading all data
Array.Copy(ipbin_sector, 0x010, ipbin.maker_id, 0, 16); // "SEGA ENTERPRISES"
Array.Copy(ipbin_sector, 0x020, ipbin.product_no, 0, 10); // Product number
Array.Copy(ipbin_sector, 0x02A, ipbin.product_version, 0, 6); // Product version
Array.Copy(ipbin_sector, 0x030, ipbin.release_date, 0, 8); // YYYYMMDD
Array.Copy(ipbin_sector, 0x038, ipbin.saturn_media, 0, 3); // "CD-"
Array.Copy(ipbin_sector, 0x03B, ipbin.disc_no, 0, 1); // Disc number
Array.Copy(ipbin_sector, 0x03C, ipbin.disc_no_separator, 0, 1); // '/'
Array.Copy(ipbin_sector, 0x03D, ipbin.disc_total_nos, 0, 1); // Total number of discs
Array.Copy(ipbin_sector, 0x03E, ipbin.spare_space1, 0, 2); // " "
Array.Copy(ipbin_sector, 0x040, ipbin.region_codes, 0, 16); // Region codes, space-filled
Array.Copy(ipbin_sector, 0x050, ipbin.peripherals, 0, 16); // Supported peripherals, see above
Array.Copy(ipbin_sector, 0x060, ipbin.product_name, 0, 112); // Game name, space-filled
IntPtr ptr = Marshal.AllocHGlobal(512);
Marshal.Copy(ipbin_sector, 0, ptr, 512);
ipbin = (IPBin)Marshal.PtrToStructure(ptr, typeof(IPBin));
Marshal.FreeHGlobal(ptr);
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.maker_id = \"{0}\"", Encoding.ASCII.GetString(ipbin.maker_id));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.product_no = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_no));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.product_version = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_version));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.release_datedate = \"{0}\"", Encoding.ASCII.GetString(ipbin.release_date));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.saturn_media = \"{0}\"", Encoding.ASCII.GetString(ipbin.saturn_media));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_no = {0}", Encoding.ASCII.GetString(ipbin.disc_no));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_no_separator = \"{0}\"", Encoding.ASCII.GetString(ipbin.disc_no_separator));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_total_nos = {0}", Encoding.ASCII.GetString(ipbin.disc_total_nos));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_no = {0}", (char)ipbin.disc_no);
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_no_separator = \"{0}\"", (char)ipbin.disc_no_separator);
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.disc_total_nos = {0}", (char)ipbin.disc_total_nos);
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.release_date = \"{0}\"", Encoding.ASCII.GetString(ipbin.release_date));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.spare_space1 = \"{0}\"", Encoding.ASCII.GetString(ipbin.spare_space1));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.region_codes = \"{0}\"", Encoding.ASCII.GetString(ipbin.region_codes));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.peripherals = \"{0}\"", Encoding.ASCII.GetString(ipbin.peripherals));
DicConsole.DebugWriteLine("ISO9660 plugin", "saturn_ipbin.product_name = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_name));
string id = Encoding.ASCII.GetString(ipbin.SegaHardwareID);
if(id == "SEGA SEGASATURN ")
return ipbin;
else
return null;
return Encoding.ASCII.GetString(ipbin.SegaHardwareID) == "SEGA SEGASATURN " ? ipbin : (IPBin?)null;
}
public static string Prettify(IPBin? decoded)
@@ -135,7 +132,7 @@ namespace DiscImageChef.Decoders.Sega
IPBinInformation.AppendFormat("Product number: {0}", Encoding.ASCII.GetString(ipbin.product_no)).AppendLine();
IPBinInformation.AppendFormat("Product version: {0}", Encoding.ASCII.GetString(ipbin.product_version)).AppendLine();
IPBinInformation.AppendFormat("Release date: {0}", ipbindate).AppendLine();
IPBinInformation.AppendFormat("Disc number {0} of {1}", Encoding.ASCII.GetString(ipbin.disc_no), Encoding.ASCII.GetString(ipbin.disc_total_nos)).AppendLine();
IPBinInformation.AppendFormat("Disc number {0} of {1}", (char)ipbin.disc_no, (char)ipbin.disc_total_nos).AppendLine();
IPBinInformation.AppendFormat("Peripherals:").AppendLine();
foreach(byte peripheral in ipbin.peripherals)