text: /*
   *  Copyright (C) 2002-2013  The DOSBox Team
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   */
  
  #ifndef DOSBOX_PIC_H
  #define DOSBOX_PIC_H
  
  
  /* CPU Cycle Timing */
  extern Bit32s CPU_Cycles;
  extern Bit32s CPU_CycleLeft;
  extern Bit32s CPU_CycleMax;
  
  typedef void (PIC_EOIHandler) (void);
  typedef void (* PIC_EventHandler)(Bitu val);
  
  
  extern Bitu PIC_IRQCheck;
  extern Bitu PIC_Ticks;
  
  static INLINE float PIC_TickIndex(void) {
  	return (CPU_CycleMax-CPU_CycleLeft-CPU_Cycles)/(float)CPU_CycleMax;
  }
  
  static INLINE Bits PIC_TickIndexND(void) {
  	return CPU_CycleMax-CPU_CycleLeft-CPU_Cycles;
  }
  
  static INLINE Bits PIC_MakeCycles(double amount) {
  	return (Bits)(CPU_CycleMax*amount);
  }
  
  static INLINE double PIC_FullIndex(void) {
  	return PIC_Ticks+(double)PIC_TickIndex();
  }
  
  void PIC_ActivateIRQ(Bitu irq);
  void PIC_DeActivateIRQ(Bitu irq);
  
  void PIC_runIRQs(void);
  bool PIC_RunQueue(void);
  
  //Delay in milliseconds
  void PIC_AddEvent(PIC_EventHandler handler,float delay,Bitu val=0);
  void PIC_RemoveEvents(PIC_EventHandler handler);
  void PIC_RemoveSpecificEvents(PIC_EventHandler handler, Bitu val);
  
  void PIC_SetIRQMask(Bitu irq, bool masked);
  #endif
  