[fceu.git] / sound.h

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Ben Parnell
 *
 * 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
 */

#define OVERSAMPLESHIFT 4
#define OVERSAMPLE *16
#define SND_BUFSIZE 256


typedef struct {
	   void (*Fill)(int Count);
	   void (*RChange)(void);
	   void (*Kill)(void);
} EXPSOUND;

extern EXPSOUND GameExpSound;

extern int64 nesincsizeLL;
extern uint8 PSG[];
extern uint32 PSG_base;
extern int32 PCMIRQCount;

void SetSoundVariables(void);
void PowerSound(void);
void ResetSound(void);
extern uint8 decvolume[];

extern int vdis;
extern uint8 sqnon;
extern uint16 nreg;

extern uint8 trimode;
extern uint8 tricoop;
extern uint8 PCMBitIndex;
extern uint32 PCMAddressIndex;
extern int32 PCMSizeIndex;
extern uint8 PCMBuffer;

extern uint8 sweepon[2];
extern int32 curfreq[2];

extern uint8 SweepCount[2];
extern uint8 DecCountTo1[3];

extern uint8 fcnt;
extern int32 fhcnt;
extern int32 fhinc;

void GetSoundBuffer(int32 **W);
int FlushEmulateSound(void);
extern uint32 Wave[2048];
extern int32 WaveFinal[2048];
extern int16 WaveFinalMono[2048];
extern uint32 soundtsinc;

void SetNESSoundMap(void);
void FrameSoundUpdate(void);
void FixOldSaveStateSFreq(void);
Commit	Line	Data
c62d2810	1	/* FCE Ultra - NES/Famicom Emulator
	2	*
	3	* Copyright notice for this file:
	4	* Copyright (C) 2002 Ben Parnell
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#define OVERSAMPLESHIFT 4
	22	#define OVERSAMPLE *16
	23	#define SND_BUFSIZE 256
	24
	25
	26	typedef struct {
	27	void (*Fill)(int Count);
	28	void (*RChange)(void);
	29	void (*Kill)(void);
	30	} EXPSOUND;
	31
	32	extern EXPSOUND GameExpSound;
	33
	34	extern int64 nesincsizeLL;
	35	extern uint8 PSG[];
	36	extern uint32 PSG_base;
	37	extern int32 PCMIRQCount;
	38
	39	void SetSoundVariables(void);
	40	void PowerSound(void);
	41	void ResetSound(void);
	42	extern uint8 decvolume[];
	43
	44	extern int vdis;
	45	extern uint8 sqnon;
	46	extern uint16 nreg;
	47
	48	extern uint8 trimode;
	49	extern uint8 tricoop;
	50	extern uint8 PCMBitIndex;
	51	extern uint32 PCMAddressIndex;
	52	extern int32 PCMSizeIndex;
	53	extern uint8 PCMBuffer;
	54
	55	extern uint8 sweepon[2];
	56	extern int32 curfreq[2];
	57
	58	extern uint8 SweepCount[2];
	59	extern uint8 DecCountTo1[3];
	60
	61	extern uint8 fcnt;
	62	extern int32 fhcnt;
	63	extern int32 fhinc;
	64
65	void GetSoundBuffer(int32 **W);
66	int FlushEmulateSound(void);
67	extern uint32 Wave[2048];
68	extern int32 WaveFinal[2048];
5232c20c	69	extern int16 WaveFinalMono[2048];
c62d2810	70	extern uint32 soundtsinc;
	71
	72	void SetNESSoundMap(void);
	73	void FrameSoundUpdate(void);
	74	void FixOldSaveStateSFreq(void);