/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using SymbianStructuresLib.Arm.Registers;

using SymbianStructuresLib.Arm.Instructions;

using SymbianInstructionLib.Arm.Instructions.Common;

namespace SymbianInstructionLib.Arm.Instructions.Thumb.Branching

{

    public class Thumb_Branch_Unconditional : Thumb_Branch_Immediate

    {

        #region Enumerations

        public enum TType

        {

            ETypeMultipartFirstPartOfBranch = -1,

            ETypeB = 0,

            ETypeBL,

            ETypeBLX

        }

        #endregion

        #region Constructors

        public Thumb_Branch_Unconditional()

        {

            //                      H      offset_11

            base.SetMask( "111" + "##" + "###########" );

        }

        #endregion

        #region API

        #endregion

        #region Properties

        public override int BranchOffset

        {

            get

            {

                int ret = ThumbInstructionUtils.SignExtend11BitTo32Bit( base.AIRawValue & 0x7FF );

                return ret;

            }

        }

        public TType Type

        {

            get

            {

                TType ret = TType.ETypeB;

                //

                byte val = base.AIRawValue[ 12, 11 ];

                if ( val == 1 )

                {

                    ret = TType.ETypeBLX;

                }

                else if ( val == 3 )

                {

                    ret = TType.ETypeBL;

                }

                else if ( val == 2 )

                {

                    ret = TType.ETypeMultipartFirstPartOfBranch;

                }

                //

                return ret;

            }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Data members

        #endregion

    }

}