fdhwlib  2.0.25
/home/kopmann/git-mirror/fdhwlib/fdhwlib/hw4/fltsigneditem.h
Go to the documentation of this file.
00001 /***************************************************************************
00002                           fltsigneditem.h  -  description
00003                              -------------------
00004     begin                : Fr May 6 2008
00005     copyright            : (C) 2008 by 
00006     email                : 
00007  ***************************************************************************/
00008  
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 
00018 #ifndef _HW4_FLTSIGNEDITEM_H_INCLUDED
00019 #define _HW4_FLTSIGNEDITEM_H_INCLUDED
00020 
00021 
00022 #include <hw4/baseregisteritem.h>
00023 
00024 
00025 namespace hw4 {
00026 
00027 // --- forward declaration(s)
00028 
00029 class BaseRegister;
00030 
00036 class FltSignedItem : public BaseRegisterItem  {
00037 public: 
00038 
00040   FltSignedItem(BaseRegister *reg, const char *name=0, unsigned long low=0, unsigned long len=32);
00041   
00043   FltSignedItem(BaseRegisterItem *group, const char *name, unsigned long low, unsigned long len);
00044   
00045   ~FltSignedItem();
00046 
00048   unsigned long read(int elem = 0);
00049 
00050 
00051 private:
00052 
00053   unsigned long maskSignBit;
00054   
00055   unsigned long maskPositive;
00056   
00057   unsigned long maskNegative;
00058 };
00059 
00060 } // namespace hw4
00061         
00062 #endif // _HW4_FLTSIGNEDITEM_H_INCLUDED