/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */


#ifndef SCI_SFX_ADLIB_H
#define SCI_SFX_ADLIB_H

#include "sci/tools.h"

namespace Sci {

#define ADLIB_VOICES 12

struct adlib_def {
	uint8 keyscale1;       /* 0-3 !*/
	uint8 freqmod1;        /* 0-15 !*/
	uint8 feedback1;       /* 0-7 !*/
	uint8 attackrate1;     /* 0-15 !*/
	uint8 sustainvol1;     /* 0-15 !*/
	uint8 envelope1;       /* t/f !*/
	uint8 decayrate1;      /* 0-15 !*/
	uint8 releaserate1;    /* 0-15 !*/
	uint8 volume1;         /* 0-63 !*/
	uint8 ampmod1;         /* t/f !*/
	uint8 vibrato1;        /* t/f !*/
	uint8 keybdscale1;     /* t/f !*/
	uint8 algorithm1;      /* 0,1 REVERSED */
	uint8 keyscale2;       /* 0-3 !*/
	uint8 freqmod2;        /* 0-15 !*/
	uint8 feedback2;       /* 0-7 UNUSED */
	uint8 attackrate2;     /* 0-15 !*/
	uint8 sustainvol2;     /* 0-15 !*/
	uint8 envelope2;       /* t/f !*/
	uint8 decayrate2;      /* 0-15 !*/
	uint8 releaserate2;    /* 0-15 !*/
	uint8 volume2;         /* 0-63 !*/
	uint8 ampmod2;         /* t/f !*/
	uint8 vibrato2;        /* t/f !*/
	uint8 keybdscale2;     /* t/f !*/
	uint8 algorithm2;      /* 0,1 UNUSED */
	uint8 waveform1;       /* 0-3 !*/
	uint8 waveform2;       /* 0-3 !*/
};

typedef unsigned char adlib_instr[12];

extern adlib_instr adlib_sbi[96];

/** Converts a raw SCI adlib instrument into the adlib register format. */
void make_sbi(adlib_def *one, uint8 *buffer);

} // End of namespace Sci

#endif // SCI_SFX_ADLIB_H