[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);

	   // from 0.98.15, currently unused
           void (*NeoFill)(int32 *Wave, int Count);
	   void (*HiFill)(void);
	   void (*HiSync)(int32 ts);
} EXPSOUND;

extern EXPSOUND GameExpSound;

//extern int64 nesincsizeLL;
extern int32 nesincsize;
extern uint8 PSG[0x18];
extern uint32 PSG_base;

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

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

extern uint8 trimode;
extern uint8 tricoop;

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;

uint8 FCEU_GetJoyJoy(void);

int GetSoundBuffer(int16 **W);
int FlushEmulateSound(void);
extern uint32 Wave[2048+512];
extern int16 WaveFinalMono[2048+512];
extern int32 WaveHi[];
extern uint32 soundtsinc;

extern uint32 soundtsoffs;
#define SOUNDTS (timestamp + soundtsoffs)

void SetNESSoundMap(void);
void FrameSoundUpdate(void);
void FixOldSaveStateSFreq(void);

void FCEUSND_Power(void);
void FCEUSND_Reset(void);
void FCEUSND_SaveState(void);
void FCEUSND_LoadState(int version);

void FCEU_SoundCPUHook(int cycles48);
DECLFW(Write_IRQFM);
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);
d97315ac	30
	31	// from 0.98.15, currently unused
	32	void (NeoFill)(int32 Wave, int Count);
	33	void (*HiFill)(void);
	34	void (*HiSync)(int32 ts);
c62d2810	35	} EXPSOUND;
	36
	37	extern EXPSOUND GameExpSound;
	38
971a1d07	39	//extern int64 nesincsizeLL;
a384bf44	40	extern int32 nesincsize;
a384bf44	41	extern uint8 PSG[0x18];
c62d2810	42	extern uint32 PSG_base;
c62d2810	43
77887306	44	void SetSoundVariables(void);
c62d2810	45	extern uint8 decvolume[];
	46
	47	extern int vdis;
	48	extern uint8 sqnon;
	49	extern uint16 nreg;
	50
	51	extern uint8 trimode;
	52	extern uint8 tricoop;
c62d2810	53
	54	extern uint8 sweepon[2];
	55	extern int32 curfreq[2];
	56
	57	extern uint8 SweepCount[2];
	58	extern uint8 DecCountTo1[3];
	59
	60	extern uint8 fcnt;
	61	extern int32 fhcnt;
	62	extern int32 fhinc;
	63
d97315ac	64	uint8 FCEU_GetJoyJoy(void);
d97315ac	65
c4980f9e	66	int GetSoundBuffer(int16 **W);
c62d2810	67	int FlushEmulateSound(void);
a384bf44	68	extern uint32 Wave[2048+512];
a384bf44	69	extern int16 WaveFinalMono[2048+512];
ebde7d27	70	extern int32 WaveHi[];
c62d2810	71	extern uint32 soundtsinc;
c62d2810	72
4fdfab07	73	extern uint32 soundtsoffs;
	74	#define SOUNDTS (timestamp + soundtsoffs)
	75
c62d2810	76	void SetNESSoundMap(void);
	77	void FrameSoundUpdate(void);
	78	void FixOldSaveStateSFreq(void);
4fdfab07	79
5bd16b94	80	void FCEUSND_Power(void);
	81	void FCEUSND_Reset(void);
	82	void FCEUSND_SaveState(void);
	83	void FCEUSND_LoadState(int version);
	84
3ac1cc0b	85	void FCEU_SoundCPUHook(int cycles48);
77887306	86	DECLFW(Write_IRQFM);