// -*- C++ -*-
// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
// Copyright (C) 1999-2003 Forgotten
// Copyright (C) 2004 Forgotten and the VBA development 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, 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.

#define NR10 0xff10
#define NR11 0xff11
#define NR12 0xff12
#define NR13 0xff13
#define NR14 0xff14
#define NR21 0xff16
#define NR22 0xff17
#define NR23 0xff18
#define NR24 0xff19
#define NR30 0xff1a
#define NR31 0xff1b
#define NR32 0xff1c
#define NR33 0xff1d
#define NR34 0xff1e
#define NR41 0xff20
#define NR42 0xff21
#define NR43 0xff22
#define NR44 0xff23
#define NR50 0xff24
#define NR51 0xff25
#define NR52 0xff26

#define SOUND_EVENT(address,value) \
    gbSoundEvent(address,value)

extern void gbSoundTick();
extern void gbSoundPause();
extern void gbSoundResume();
extern void gbSoundEnable(int);
extern void gbSoundDisable(int);
extern int gbSoundGetEnable();
extern void gbSoundReset();
extern void gbSoundSaveGame(gzFile);
extern void gbSoundReadGame(int,gzFile);
extern void gbSoundEvent(register u16, register int);
extern void gbSoundSetQuality(int);

extern u8 gbSoundRead(u16 address);

extern int soundTicks;
extern int soundQuality;
extern int SOUND_CLOCK_TICKS;

struct gb_effects_config_t
{
	bool enabled;   // false = disable all effects

	float echo;     // 0.0 = none, 1.0 = lots
	float stereo;   // 0.0 = channels in center, 1.0 = channels on left/right
	bool surround;  // true = put some channels in back
};

// Can be changed at any time, probably from another thread too.
// Sound will notice changes during next 1/100 second.
extern gb_effects_config_t gb_effects_config;
