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/*
* sid.h - MOS6581 (SID) emulation, hooks to actual implementation.
*
* Written by
* Dag Lem <resid@nimrod.no>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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.
*
*/
#ifndef VICE_SID_ENGINE_H
#define VICE_SID_ENGINE_H
#include "types.h"
#include "sound.h"
struct sound_s;
struct sid_snapshot_state_s;
#define SID_ENGINE_FASTSID 0
#define SID_ENGINE_RESID 1
#define SID_ENGINE_CATWEASELMKIII 2
#define SID_ENGINE_HARDSID 3
#define SID_ENGINE_PARSID_PORT1 4
#define SID_ENGINE_PARSID_PORT2 5
#define SID_ENGINE_PARSID_PORT3 6
#define SID_ENGINE_RESID_FP 7
#define SID_MODEL_6581 0
#define SID_MODEL_8580 1
#define SID_MODEL_8580D 2
#define SID_MODEL_6581R4 3
#define SID_MODEL_DTVSID 4
#define SID_MODEL_6581R3_4885 8
#define SID_MODEL_6581R3_0486S 9
#define SID_MODEL_6581R3_3984 10
#define SID_MODEL_6581R4AR_3789 11
#define SID_MODEL_6581R3_4485 12
#define SID_MODEL_6581R4_1986S 13
#define SID_MODEL_8580R5_3691 16
#define SID_MODEL_8580R5_3691D 17
#define SID_MODEL_8580R5_1489 18
#define SID_MODEL_8580R5_1489D 19
#define SID_MODEL_DEFAULT 99
extern BYTE REGPARM1 sid_read(WORD address);
extern BYTE REGPARM1 sid2_read(WORD address);
extern void REGPARM2 sid_store(WORD address, BYTE byte);
extern void REGPARM2 sid2_store(WORD address, BYTE byte);
extern void sid_reset(void);
extern void sid_set_machine_parameter(long clock_rate);
extern BYTE *sid_get_siddata(unsigned int channel);
extern int sid_engine_set(int engine);
extern void sid_state_read(unsigned int channel,
struct sid_snapshot_state_s *sid_state);
extern void sid_state_write(unsigned int channel,
struct sid_snapshot_state_s *sid_state);
struct sid_engine_s {
struct sound_s *(*open)(BYTE *sidstate);
int (*init)(struct sound_s *psid, int speed, int cycles_per_sec);
void (*close)(struct sound_s *psid);
BYTE (*read)(struct sound_s *psid, WORD addr);
void (*store)(struct sound_s *psid, WORD addr, BYTE val);
void (*reset)(struct sound_s *psid, CLOCK cpu_clk);
int (*calculate_samples)(struct sound_s *psid, SWORD *pbuf, int nr,
int interleave, int *delta_t);
void (*prevent_clk_overflow)(struct sound_s *psid, CLOCK sub);
char *(*dump_state)(struct sound_s *psid);
void (*state_read)(struct sound_s *psid,
struct sid_snapshot_state_s *sid_state);
void (*state_write)(struct sound_s *psid,
struct sid_snapshot_state_s *sid_state);
};
typedef struct sid_engine_s sid_engine_t;
extern sound_t *sid_sound_machine_open(int chipno);
extern int sid_sound_machine_init(sound_t *psid, int speed, int cycles_per_sec);
extern void sid_sound_machine_close(sound_t *psid);
extern BYTE sid_sound_machine_read(sound_t *psid, WORD addr);
extern void sid_sound_machine_store(sound_t *psid, WORD addr, BYTE byte);
extern void sid_sound_machine_reset(sound_t *psid, CLOCK cpu_clk);
extern int sid_sound_machine_calculate_samples(sound_t *psid, SWORD *pbuf,
int nr, int interleave, int *delta_t);
extern void sid_sound_machine_prevent_clk_overflow(sound_t *psid, CLOCK sub);
extern char *sid_sound_machine_dump_state(sound_t *psid);
extern int sid_sound_machine_cycle_based(void);
extern int sid_sound_machine_channels(void);
extern void sid_sound_machine_enable(int enable);
#endif
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