sound.h

NES game Emulator in Linux.c and asm codes.

/*

SNEeSe, an Open Source Super NES emulator.


Copyright (c) 1998-2004 Charles Bilyue'.
Portions Copyright (c) 2003-2004 Daniel Horchner.

This is free software.  See 'LICENSE' for details.
You must read and accept the license prior to use.

*/

#ifndef SNEeSe_apu_sound_h
#define SNEeSe_apu_sound_h

#include "../misc.h"
#include "spc.h"

#define SPC_CTRL SPCRAM[0xF1]
#define SPC_DSP_ADDR SPCRAM[0xF2]

EXTERN unsigned TotalCycles,CycleLatch0,CycleLatch1,CycleLatch2;

EXTERN unsigned SPC_T0_cycle_latch;
EXTERN unsigned short SPC_T0_position, SPC_T0_target;

EXTERN unsigned SPC_T1_cycle_latch;
EXTERN unsigned short SPC_T1_position, SPC_T1_target;

EXTERN unsigned SPC_T2_cycle_latch;
EXTERN unsigned short SPC_T2_position, SPC_T2_target;

EXTERN unsigned char SPC_T0_counter, SPC_T1_counter, SPC_T2_counter;

EXTERN unsigned char SPC_MASK;
EXTERN unsigned SPC_DSP_DATA;
EXTERN signed char ENVX_ENABLED, sound_enabled;
EXTERN int sound_bits;
EXTERN signed char sound_echo_enabled, sound_gauss_enabled;

EXTERN unsigned sound_cycle_latch;
EXTERN unsigned sound_output_position;

EXTERN int voice_handle;
EXTERN signed char block_written;

EXTERN unsigned char SPC_DSP[256];
EXTERN unsigned char SNDkeys;

EXTERN void Remove_Sound();
EXTERN int Install_Sound(int stereo);
EXTERN void Reset_Sound_DSP();

EXTERN void SPC_READ_DSP();
EXTERN void SPC_WRITE_DSP();

EXTERN void Update_SPC_Timer_0();
EXTERN void Update_SPC_Timer_1();
EXTERN void Update_SPC_Timer_2();

EXTERN void sound_pause(void);
EXTERN void sound_resume(void);

#endif /* !defined(SNEeSe_apu_sound_h) */