aaru-dps/Aaru.Decoders
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Aaru.Decoders/Sega/CD.cs

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Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
2017-10-08 17:50:29 +01:00
// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : CD.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Component
//
// --[ Description ] ----------------------------------------------------------
//
// Description
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2017 Natalia Portillo
// ****************************************************************************/
using System;
using System.Globalization;
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using System.Runtime.InteropServices;
Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
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using System.Text;
using DiscImageChef.Console;
namespace DiscImageChef.Decoders.Sega
{
public static class CD
{
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// TODO: Check if it is big or little endian
[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct IPBin
{
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/// <summary>Must be "SEGADISCSYSTEM " or "SEGADATADISC " or "SEGAOS "</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] SegaHardwareID;
/// <summary>0x010, Varies</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
public byte[] volume_name;
/// <summary>0x01B, 0x00</summary>
public byte spare_space1;
/// <summary>0x01C, Volume version in BCD. &lt;100 = Prerelease.</summary>
public ushort volume_version;
/// <summary>0x01E, Bit 0 = 1 => CD-ROM. Rest should be 0.</summary>
public ushort volume_type;
/// <summary>0x020, Unknown, varies!</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
public byte[] system_name;
/// <summary>0x02B, 0x00</summary>
public byte spare_space2;
/// <summary>0x02C, Should be 1</summary>
public ushort system_version;
/// <summary>0x02E, 0x0000</summary>
public ushort spare_space3;
/// <summary>0x030, Initial program address</summary>
public uint ip_address;
/// <summary>0x034, Load size of initial program</summary>
public uint ip_loadsize;
/// <summary>0x038, Initial program entry address</summary>
public uint ip_entry_address;
/// <summary>0x03C, Initial program work RAM size in bytes</summary>
public uint ip_work_ram_size;
/// <summary>0x040, System program address</summary>
public uint sp_address;
/// <summary>0x044, Load size of system program</summary>
public uint sp_loadsize;
/// <summary>0x048, System program entry address</summary>
public uint sp_entry_address;
/// <summary>0x04C, System program work RAM size in bytes</summary>
public uint sp_work_ram_size;
/// <summary>0x050, MMDDYYYY</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public byte[] release_date;
/// <summary>0x058, Seems to be all 0x20s</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
public byte[] unknown1;
/// <summary>0x05F, 0x00 ?</summary>
public byte spare_space4;
/// <summary>0x060, System Reserved Area</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 160)]
public byte[] system_reserved;
/// <summary>0x100, Hardware ID</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] hardware_id;
/// <summary>0x113 or 0x110, "SEGA" or "T-xx"</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] developer_code;
/// <summary>0x118, Another release date, this with month in letters?</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public byte[] release_date2;
/// <summary>0x120, Domestic version of the game title</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
public byte[] domestic_title;
/// <summary>0x150, Overseas version of the game title</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
public byte[] overseas_title;
/// <summary>0x180, Official product code</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 13)]
public byte[] product_code;
/// <summary>0x190, Supported peripherals, see above</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] peripherals;
/// <summary>0x1A0, 0x20</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] spare_space6;
/// <summary>0x1B0, Inside here should be modem information, but I need to get a modem-enabled game</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
public byte[] spare_space7;
/// <summary>0x1F0, Region codes, space-filled</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] region_codes;
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}
public static IPBin? DecodeIPBin(byte[] ipbin_sector)
{
if(ipbin_sector == null)
return null;
if(ipbin_sector.Length < 512)
return null;
IPBin ipbin = new IPBin();
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IntPtr ptr = Marshal.AllocHGlobal(512);
Marshal.Copy(ipbin_sector, 0, ptr, 512);
ipbin = (IPBin)Marshal.PtrToStructure(ptr, typeof(IPBin));
Marshal.FreeHGlobal(ptr);
Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
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DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.volume_name = \"{0}\"", Encoding.ASCII.GetString(ipbin.volume_name));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.system_name = \"{0}\"", Encoding.ASCII.GetString(ipbin.system_name));
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DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.volume_version = \"{0:X}\"", ipbin.volume_version);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.volume_type = 0x{0:X8}", ipbin.volume_type);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.system_version = 0x{0:X8}", ipbin.system_version);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.ip_address = 0x{0:X8}", ipbin.ip_address);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.ip_loadsize = {0}", ipbin.ip_loadsize);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.ip_entry_address = 0x{0:X8}", ipbin.ip_entry_address);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.ip_work_ram_size = {0}", ipbin.ip_work_ram_size);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.sp_address = 0x{0:X8}", ipbin.sp_address);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.sp_loadsize = {0}", ipbin.sp_loadsize);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.sp_entry_address = 0x{0:X8}", ipbin.sp_entry_address);
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.sp_work_ram_size = {0}", ipbin.sp_work_ram_size);
Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
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DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.release_date = \"{0}\"", Encoding.ASCII.GetString(ipbin.release_date));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.release_date2 = \"{0}\"", Encoding.ASCII.GetString(ipbin.release_date2));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.developer_code = \"{0}\"", Encoding.ASCII.GetString(ipbin.developer_code));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.domestic_title = \"{0}\"", Encoding.ASCII.GetString(ipbin.domestic_title));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.overseas_title = \"{0}\"", Encoding.ASCII.GetString(ipbin.overseas_title));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.product_code = \"{0}\"", Encoding.ASCII.GetString(ipbin.product_code));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.peripherals = \"{0}\"", Encoding.ASCII.GetString(ipbin.peripherals));
DicConsole.DebugWriteLine("ISO9660 plugin", "segacd_ipbin.region_codes = \"{0}\"", Encoding.ASCII.GetString(ipbin.region_codes));
string id = Encoding.ASCII.GetString(ipbin.SegaHardwareID);
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return id == "SEGADISCSYSTEM " || id == "SEGADATADISC " || id == "SEGAOS " ? ipbin : (IPBin?)null;
Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
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}
public static string Prettify(IPBin? decoded)
{
if(decoded == null)
return null;
IPBin ipbin = decoded.Value;
StringBuilder IPBinInformation = new StringBuilder();
IPBinInformation.AppendLine("--------------------------------");
IPBinInformation.AppendLine("SEGA IP.BIN INFORMATION:");
IPBinInformation.AppendLine("--------------------------------");
// Decoding all data
DateTime ipbindate = DateTime.MinValue;
CultureInfo provider = CultureInfo.InvariantCulture;
try
{
ipbindate = DateTime.ParseExact(Encoding.ASCII.GetString(ipbin.release_date), "MMddyyyy", provider);
}
catch
{
try
{
ipbindate = DateTime.ParseExact(Encoding.ASCII.GetString(ipbin.release_date2), "yyyy.MMM", provider);
}
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
catch { }
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
}
/*
switch (Encoding.ASCII.GetString(application_type))
{
case "GM":
IPBinInformation.AppendLine("Disc is a game.");
break;
case "AI":
IPBinInformation.AppendLine("Disc is an application.");
break;
default:
IPBinInformation.AppendLine("Disc is from unknown type.");
break;
}
*/
IPBinInformation.AppendFormat("Volume name: {0}", Encoding.ASCII.GetString(ipbin.volume_name)).AppendLine();
//IPBinInformation.AppendFormat("Volume version: {0}", Encoding.ASCII.GetString(ipbin.volume_version)).AppendLine();
//IPBinInformation.AppendFormat("{0}", Encoding.ASCII.GetString(ipbin.volume_type)).AppendLine();
IPBinInformation.AppendFormat("System name: {0}", Encoding.ASCII.GetString(ipbin.system_name)).AppendLine();
//IPBinInformation.AppendFormat("System version: {0}", Encoding.ASCII.GetString(ipbin.system_version)).AppendLine();
Refactor IP.BIN decoders.
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IPBinInformation.AppendFormat("Initial program address: 0x{0:X8}", ipbin.ip_address).AppendLine();
IPBinInformation.AppendFormat("Initial program load size: {0} bytes", ipbin.ip_loadsize).AppendLine();
IPBinInformation.AppendFormat("Initial program entry address: 0x{0:X8}", ipbin.ip_entry_address).AppendLine();
IPBinInformation.AppendFormat("Initial program work RAM: {0} bytes", ipbin.ip_work_ram_size).AppendLine();
IPBinInformation.AppendFormat("System program address: 0x{0:X8}", ipbin.sp_address).AppendLine();
IPBinInformation.AppendFormat("System program load size: {0} bytes", ipbin.sp_loadsize).AppendLine();
IPBinInformation.AppendFormat("System program entry address: 0x{0:X8}", ipbin.sp_entry_address).AppendLine();
IPBinInformation.AppendFormat("System program work RAM: {0} bytes", ipbin.sp_work_ram_size).AppendLine();
Moved Sega's IP.BIN decoders from ISO9660 to Decoders.
2017-10-08 17:50:29 +01:00
if(ipbindate != DateTime.MinValue)
IPBinInformation.AppendFormat("Release date: {0}", ipbindate).AppendLine();
//IPBinInformation.AppendFormat("Release date (other format): {0}", Encoding.ASCII.GetString(release_date2)).AppendLine();
IPBinInformation.AppendFormat("Hardware ID: {0}", Encoding.ASCII.GetString(ipbin.hardware_id)).AppendLine();
IPBinInformation.AppendFormat("Developer code: {0}", Encoding.ASCII.GetString(ipbin.developer_code)).AppendLine();
IPBinInformation.AppendFormat("Domestic title: {0}", Encoding.ASCII.GetString(ipbin.domestic_title)).AppendLine();
IPBinInformation.AppendFormat("Overseas title: {0}", Encoding.ASCII.GetString(ipbin.overseas_title)).AppendLine();
IPBinInformation.AppendFormat("Product code: {0}", Encoding.ASCII.GetString(ipbin.product_code)).AppendLine();
IPBinInformation.AppendFormat("Peripherals:").AppendLine();
foreach(byte peripheral in ipbin.peripherals)
{
switch((char)peripheral)
{
case 'A':
IPBinInformation.AppendLine("Game supports analog controller.");
break;
case 'B':
IPBinInformation.AppendLine("Game supports trackball.");
break;
case 'G':
IPBinInformation.AppendLine("Game supports light gun.");
break;
case 'J':
IPBinInformation.AppendLine("Game supports JoyPad.");
break;
case 'K':
IPBinInformation.AppendLine("Game supports keyboard.");
break;
case 'M':
IPBinInformation.AppendLine("Game supports mouse.");
break;
case 'O':
IPBinInformation.AppendLine("Game supports Master System's JoyPad.");
break;
case 'P':
IPBinInformation.AppendLine("Game supports printer interface.");
break;
case 'R':
IPBinInformation.AppendLine("Game supports serial (RS-232C) interface.");
break;
case 'T':
IPBinInformation.AppendLine("Game supports tablet interface.");
break;
case 'V':
IPBinInformation.AppendLine("Game supports paddle controller.");
break;
case ' ':
break;
default:
IPBinInformation.AppendFormat("Game supports unknown peripheral {0}.", peripheral).AppendLine();
break;
}
}
IPBinInformation.AppendLine("Regions supported:");
foreach(byte region in ipbin.region_codes)
{
switch((char)region)
{
case 'J':
IPBinInformation.AppendLine("Japanese NTSC.");
break;
case 'U':
IPBinInformation.AppendLine("USA NTSC.");
break;
case 'E':
IPBinInformation.AppendLine("Europe PAL.");
break;
case ' ':
break;
default:
IPBinInformation.AppendFormat("Game supports unknown region {0}.", region).AppendLine();
break;
}
}
return IPBinInformation.ToString();
}
}
}
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