#ifndef SYSTEM_H
#define SYSTEM_H

#include "common/Types.h"

#include <zlib.h>

class SoundDriver;

struct EmulatedSystem {
  // main emulation function
  void (*emuMain)(int);
  // reset emulator
  void (*emuReset)();
  // clean up memory
  void (*emuCleanUp)();
  // load battery file
  bool (*emuReadBattery)(const char *);
  // write battery file
  bool (*emuWriteBattery)(const char *);
#ifdef __LIBRETRO__
   // load state
   bool (*emuReadState)(const u8*, unsigned);
   // load state
   unsigned (*emuWriteState)(u8*, unsigned);
#else
   // load state
   bool (*emuReadState)(const char *);
   // save state
   bool (*emuWriteState)(const char *);
#endif
  // load memory state (rewind)
  bool (*emuReadMemState)(char *, int);
  // write memory state (rewind)
  bool (*emuWriteMemState)(char *, int);
  // write PNG file
  bool (*emuWritePNG)(const char *);
  // write BMP file
  bool (*emuWriteBMP)(const char *);
  // emulator update CPSR (ARM only)
  void (*emuUpdateCPSR)();
  // emulator has debugger
  bool emuHasDebugger;
  // clock ticks to emulate
  int emuCount;
};

extern void log(const char *,...);

extern bool systemPauseOnFrame();
extern void systemGbPrint(u8 *,int,int,int,int,int);
extern void systemScreenCapture(int);
extern void systemDrawScreen();
// updates the joystick data
extern bool systemReadJoypads();
// return information about the given joystick, -1 for default joystick
extern u32 systemReadJoypad(int);
// this function should turn on or off rumble on the gamepad
extern void systemCartridgeRumble(bool);
extern void systemPossibleCartridgeRumble(bool);
// This should be called once per frame
extern void updateRumbleFrame();
extern u32 systemGetClock();
extern void systemMessage(int, const char *, ...);
extern void systemSetTitle(const char *);
extern SoundDriver * systemSoundInit();
extern void systemOnWriteDataToSoundBuffer(const u16 * finalWave, int length);
extern void systemOnSoundShutdown();
extern void systemScreenMessage(const char *);
extern void systemUpdateMotionSensor();
extern int  systemGetSensorX();
extern int  systemGetSensorY();
extern bool systemCanChangeSoundQuality();
extern void systemShowSpeed(int);
extern void system10Frames(int);
extern void systemFrame();
extern void systemGbBorderOn();

extern void Sm60FPS_Init();
extern bool Sm60FPS_CanSkipFrame();
extern void Sm60FPS_Sleep();
extern void DbgMsg(const char *msg, ...);
#ifdef SDL
#define winlog log
#else
extern void winlog(const char *,...);
#endif
extern void (*dbgOutput)(const char *s, u32 addr);
extern void (*dbgSignal)(int sig,int number);

extern u16 systemColorMap16[0x10000];
//extern u32 systemColorMap32[0x10000];
extern u32 *systemColorMap32;
extern u16 systemGbPalette[24];
extern int systemRedShift;
extern int systemGreenShift;
extern int systemBlueShift;
extern int systemColorDepth;
extern int systemDebug;
extern int systemVerbose;
extern int systemFrameSkip;
extern int systemSaveUpdateCounter;
extern int systemSpeed;

#define SYSTEM_SAVE_UPDATED 30
#define SYSTEM_SAVE_NOT_UPDATED 0

#endif // SYSTEM_H