/* 
  * UAE - The Un*x Amiga Emulator
  * 
  * Support for the Mute sound system.
  * 
  * Copyright 1997 Bernd Schmidt
  */

/*#define SOUND_HAS_PRIORITY*/

extern char *sndptr, *sndptrmax, *sndptrhalfway;
extern int sndbuf, currbuf;
extern char *lpData;
extern unsigned int samplecount;

extern void flush_sound_buffer( void );

static __inline__ void check_sound_buffers (void)
{
    if( sndptr == sndptrmax )
        flush_sound_buffer();
}

#define PUT_SOUND_BYTE(b) \
	if (sndptr == sndptrmax) { \
		sndptr = lpData; \
	} \
	samplecount++; \
	*sndptr++ = b; 


#define PUT_SOUND_WORD(b) \
	if (sndptr == sndptrmax) { \
		sndptr = lpData; \
	} \
	*(short *)sndptr = b; \
	samplecount++; \
	sndptr += 2; 

#define PUT_SOUND_BYTE_RIGHT(b) PUT_SOUND_BYTE(b)
#define PUT_SOUND_BYTE_LEFT(b) PUT_SOUND_BYTE(b)
#define PUT_SOUND_WORD_RIGHT(b) PUT_SOUND_WORD(b)
#define PUT_SOUND_WORD_LEFT(b) PUT_SOUND_WORD(b)

#define SOUND16_BASE_VAL 0
#define SOUND8_BASE_VAL 128

#define DEFAULT_SOUND_MINB 1500
#define DEFAULT_SOUND_MAXB 1500
#define DEFAULT_SOUND_BITS 8
#define DEFAULT_SOUND_FREQ 22050

#define HAVE_STEREO_SUPPORT

extern int timer_available;
void timer_init(void);
void expire_timer(void);
void adjust_sound_timing(void);
void pause_sound(void);
void resume_sound(void);