1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Collections.Generic;

    19 using System.Text;

    20 using SymbianUtils.BasicTypes;

    21 using SymbianStructuresLib.Arm.Registers;

    22 using SymbianInstructionLib.Arm.Instructions.Common;

    23 

    24 namespace SymbianInstructionLib.Arm.Instructions.Thumb.DataProcessing

    25 {

    26     [ArmRef( "A7.1.5 ADD (3)",  "ADD <Rd>, <Rn>, <Rm>" )]

    27     [ArmRef( "A7.1.67 SUB (3)", "SUB <Rd>, <Rn>, <Rm>" )]

    28     public class Thumb_AddOrSubtract_Register : Thumb_AddOrSubtract_2Regs

    29     {

    30         #region Constructors

    31         public Thumb_AddOrSubtract_Register()

    32         {

    33             //                      Type     Rm      Rn      Rd

    34             base.SetMask( "000110" + "#" + "###" + "###" + "###" );

    35         }

    36         #endregion

    37 

    38         #region From ArmBaseInstruction

    39         protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )

    40         {

    41             TArmRegisterType reg1 = this.Rm;

    42             TArmRegisterType reg2 = this.Rn;

    43             return ( aRegister == reg1 || aRegister == reg2 );

    44         }

    45         #endregion

    46 

    47         #region Properties

    48         public TArmRegisterType Rm

    49         {

    50             get

    51             {

    52                 TArmRegisterType ret = (TArmRegisterType) KMaskRm.Apply( base.AIRawValue );

    53                 return ret;

    54             }

    55         }

    56         #endregion

    57 

    58         #region Internal methods

    59         #endregion

    60 

    61         #region Data members

    62         private static readonly SymMask KMaskRm = new SymMask( 0x1C0, SymMask.TShiftDirection.ERight, 6 );

    63         #endregion

    64     }

    65 }

    66