Implementation of the basic functionallity

AMWD.Protocols.Modbus.Common/Models/HoldingRegister.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace AMWD.Protocols.Modbus.Common
+{
+	/// <summary>
+	/// Represents a holding register.
+	/// </summary>
+	public class HoldingRegister : ModbusObject
+	{
+		/// <inheritdoc/>
+		public override ModbusObjectType Type => ModbusObjectType.HoldingRegister;
+
+		/// <summary>
+		/// Gets or sets the value of the holding register.
+		/// </summary>
+		public ushort Value
+		{
+			get
+			{
+				byte[] blob = [HighByte, LowByte];
+				if (BitConverter.IsLittleEndian)
+					Array.Reverse(blob);
+
+				return BitConverter.ToUInt16(blob, 0);
+			}
+			set
+			{
+				byte[] blob = BitConverter.GetBytes(value);
+				if (BitConverter.IsLittleEndian)
+					Array.Reverse(blob);
+
+				HighByte = blob[0];
+				LowByte = blob[1];
+			}
+		}
+
+		/// <inheritdoc/>
+		public override string ToString()
+			=> $"Holding Register #{Address} | {Value} | HI: {HighByte:X2}, LO: {LowByte:X2}";
+	}
+}