Add skeleton of NE to Models project

BurnOutSharp.Models/NewExecutable/ExecutableHeader.cs

@@ -0,0 +1,199 @@
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.NewExecutable
+{
+    /// <summary>
+    /// The NE header is a relatively large structure with multiple characteristics.
+    /// Because of the age of the format some items are unclear in meaning.
+    /// </summary>
+    /// <see href="http://bytepointer.com/resources/win16_ne_exe_format_win3.0.htm"/>
+    /// <see href="https://github.com/libyal/libexe/blob/main/documentation/Executable%20(EXE)%20file%20format.asciidoc#24-ne-extended-header"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class ExecutableHeader
+    {
+        /// <summary>
+        /// Signature word.
+        /// "N" is low-order byte.
+        /// "E" is high-order byte.
+        /// </summary>
+        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
+        public char[] Magic;
+
+        /// <summary>
+        /// Version number of the linker.
+        /// </summary>
+        public byte LinkerVersion;
+        
+        /// <summary>
+        /// Revision number of the linker.
+        /// </summary>
+        public byte LinkerRevision;
+        
+        /// <summary>
+        /// Entry Table file offset, relative to the beginning of the segmented EXE header.
+        /// </summary>
+        public ushort EntryTableOffset;
+        
+        /// <summary>
+        /// Number of bytes in the entry table.
+        /// </summary>
+        public ushort EntryTableSize;
+
+        /// <summary>
+        /// 32-bit CRC of entire contents of file.
+        /// </summary>
+        /// <remarks>These words are taken as 00 during the calculation.</remarks>
+        public uint CrcChecksum;
+
+        /// <summary>
+        /// Flag word
+        /// </summary>
+        public HeaderFlag FlagWord;
+
+        /// <summary>
+        /// Segment number of automatic data segment.
+        /// This value is set to zero if SINGLEDATA and
+        /// MULTIPLEDATA flag bits are clear, NOAUTODATA is
+        /// indicated in the flags word.
+        /// </summary>
+        /// <remarks>
+        /// A Segment number is an index into the module's segment
+        /// table. The first entry in the segment table is segment
+        /// number 1.
+        /// </remarks>
+        public ushort AutomaticDataSegmentNumber;
+
+        /// <summary>
+        /// Initial size, in bytes, of dynamic heap added to the
+        /// data segment. This value is zero if no initial local
+        /// heap is allocated.
+        /// </summary>
+        public ushort InitialHeapAlloc;
+
+        /// <summary>
+        /// Initial size, in bytes, of stack added to the data
+        /// segment. This value is zero to indicate no initial
+        /// stack allocation, or when SS is not equal to DS.
+        /// </summary>
+        public ushort InitialStackAlloc;
+
+        /// <summary>
+        /// Segment number:offset of CS:IP.
+        /// </summary>
+        public uint InitialCSIPSetting;
+
+        /// <summary>
+        /// Segment number:offset of SS:SP.
+        /// </summary>
+        /// <remarks>
+        /// If SS equals the automatic data segment and SP equals
+        /// zero, the stack pointer is set to the top of the
+        /// automatic data segment just below the additional heap
+        /// area.
+        /// </remarks>
+        public uint InitialSSSPSetting;
+
+        /// <summary>
+        /// Number of entries in the Segment Table.
+        /// </summary>
+        public ushort FileSegmentCount;
+
+        /// <summary>
+        /// Number of entries in the Module Reference Table.
+        /// </summary>
+        public ushort ModuleReferenceTableSize;
+
+        /// <summary>
+        /// Number of bytes in the Non-Resident Name Table.
+        /// </summary>
+        public ushort NonResidentNameTableSize;
+
+        /// <summary>
+        /// Segment Table file offset, relative to the beginning
+        /// of the segmented EXE header.
+        /// </summary>
+        public ushort SegmentTableOffset;
+
+        /// <summary>
+        /// Resource Table file offset, relative to the beginning
+        /// of the segmented EXE header.
+        /// </summary>
+        public ushort ResourceTableOffset;
+
+        /// <summary>
+        /// Resident Name Table file offset, relative to the
+        /// beginning of the segmented EXE header.
+        /// </summary>
+        public ushort ResidentNameTableOffset;
+
+        /// <summary>
+        /// Module Reference Table file offset, relative to the
+        /// beginning of the segmented EXE header.
+        /// </summary>
+        public ushort ModuleReferenceTableOffset;
+
+        /// <summary>
+        /// Imported Names Table file offset, relative to the
+        /// beginning of the segmented EXE header.
+        /// </summary>
+        public ushort ImportedNamesTableOffset;
+
+        /// <summary>
+        /// Non-Resident Name Table offset, relative to the
+        /// beginning of the file.
+        /// </summary>
+        public uint NonResidentNamesTableOffset;
+
+        /// <summary>
+        /// Number of movable entries in the Entry Table.
+        /// </summary>
+        public ushort MovableEntriesCount;
+
+        /// <summary>
+        /// Logical sector alignment shift count, log(base 2) of
+        /// the segment sector size (default 9).
+        /// </summary>
+        public ushort SegmentAlignmentShiftCount;
+
+        /// <summary>
+        /// Number of resource entries.
+        /// </summary>
+        public ushort ResourceEntriesCount;
+
+        /// <summary>
+        /// Executable type, used by loader.
+        /// </summary>
+        public OperatingSystem TargetOperatingSystem;
+        
+        /// <summary>
+        /// Other OS/2 flags
+        /// </summary>
+        public byte AdditionalFlags;
+        
+        /// <summary>
+        /// Offset to return thunks or start of gangload area
+        /// </summary>
+        public ushort ReturnThunkOffset;
+        
+        /// <summary>
+        /// Offset to segment reference thunks or size of gangload area
+        /// </summary>
+        public ushort SegmentReferenceThunkOffset;
+
+        /// <summary>
+        /// Minimum code swap area size
+        /// </summary>
+        public ushort MinCodeSwapAreaSize;
+        
+        /// <summary>
+        /// Windows SDK revison number
+        /// </summary>
+        public byte WindowsSDKRevision;
+        
+        /// <summary>
+        /// Windows SDK version number
+        /// </summary>
+        public byte WindowsSDKVersion;
+    }
+}