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0.34
/*
File: fm.h -- header file for software emulation for FM sound generator
*/
#ifndef _H_FM_FM_
#define _H_FM_FM_
/* James Ponder: bits added for Generator */
void YM2612_save_state(void);
/* --- select emulation chips --- */
#define BUILD_YM2203 (HAS_YM2203) /* build YM2203(OPN) emulator */
#define BUILD_YM2608 (HAS_YM2608) /* build YM2608(OPNA) emulator */
#define BUILD_YM2610 (HAS_YM2610) /* build YM2610(OPNB) emulator */
#define BUILD_YM2610B (HAS_YM2610B) /* build YM2610B(OPNB?)emulator */
#define BUILD_YM2612 (HAS_YM2612 || HAS_YM3438) /* build YM2612(OPN2) emulator */
#define BUILD_YM2151 (HAS_YM2151) /* build YM2151(OPM) emulator */
/* --- system optimize --- */
/* select stereo output buffer : 1=mixing / 0=separate */
#define FM_STEREO_MIX 0
/* select bit size of output : 8 or 16 */
#define FM_SAMPLE_BITS 16
/* select timer system internal or external */
/* James Ponder 2001-09-30: use internal timer in Generator */
#define FM_INTERNAL_TIMER 1
/* --- speedup optimize --- */
/* support OPN SSG type envelope mode */
#define FM_SEG_SUPPORT 0
/* busy flag enulation , The definition of FM_GET_TIME_NOW() is necessary. */
/* James Ponder 2001-09-30: XXX: no busy flag emulation - needs fixing? */
#define FM_BUSY_FLAG_SUPPORT 0
/* --- external SSG(YM2149/AY-3-8910)emulator interface port */
/* used by YM2203,YM2608,and YM2610 */
/* SSGClk : Set SSG Clock */
/* int n = chip number */
/* int clk = MasterClock(Hz) */
/* int rate = sample rate(Hz) */
#define SSGClk(chip,clock) AY8910_set_clock((chip)+ay8910_index_ym,clock)
/* SSGWrite : Write SSG port */
/* int n = chip number */
/* int a = address */
/* int v = data */
#define SSGWrite(n,a,v) AY8910Write((n)+ay8910_index_ym,a,v)
/* SSGRead : Read SSG port */
/* int n = chip number */
/* return = Read data */
#define SSGRead(n) AY8910Read((n)+ay8910_index_ym)
/* SSGReset : Reset SSG chip */
/* int n = chip number */
#define SSGReset(chip) AY8910_reset((chip)+ay8910_index_ym)
/* --- external callback funstions for realtime update --- */
/* for busy flag emulation , function FM_GET_TIME_NOW() should be */
/* return the present time in second unit with (double) value */
/* in timer.c */
#define FM_GET_TIME_NOW() timer_get_time()
#if BUILD_YM2203
/* in 2203intf.c */
#define YM2203UpdateReq(chip) YM2203UpdateRequest(chip)
#endif
#if BUILD_YM2608
/* in 2608intf.c */
#define YM2608UpdateReq(chip) YM2608UpdateRequest(chip);
#endif
#if BUILD_YM2610
/* in 2610intf.c */
#define YM2610UpdateReq(chip) YM2610UpdateRequest(chip);
#endif
#if BUILD_YM2612
/* in 2612intf.c */
#define YM2612UpdateReq(chip) YM2612UpdateRequest(chip);
#endif
#if BUILD_YM2151
/* in 2151intf.c */
#define YM2151UpdateReq(chip) YM2151UpdateRequest(chip);
#endif
/* compiler dependence */
#ifndef OSD_CPU_H
#define OSD_CPU_H
/* James Ponder: only define these types if they don't already exist */
#ifndef UINT8
typedef unsigned char UINT8; /* unsigned 8bit */
#endif
#ifndef UINT16
typedef unsigned short UINT16; /* unsigned 16bit */
#endif
#ifndef UINT32
typedef unsigned int UINT32; /* unsigned 32bit */
#endif
#ifndef INT8
typedef signed char INT8; /* signed 8bit */
#endif
#ifndef INT16
typedef signed short INT16; /* signed 16bit */
#endif
#ifndef INT32
typedef signed int INT32; /* signed 32bit */
#endif
#endif
#define YM2203_NUMBUF 1
#if FM_STEREO_MIX
#define YM2151_NUMBUF 1
#define YM2608_NUMBUF 1
#define YM2612_NUMBUF 1
#define YM2610_NUMBUF 1
#else
#define YM2151_NUMBUF 2 /* FM L+R */
#define YM2608_NUMBUF 2 /* FM L+R+ADPCM+RYTHM */
#define YM2610_NUMBUF 2 /* FM L+R+ADPCMA+ADPCMB */
#define YM2612_NUMBUF 2 /* FM L+R */
#endif
#if (FM_SAMPLE_BITS==16)
typedef INT16 FMSAMPLE;
typedef unsigned long FMSAMPLE_MIX;
#endif
#if (FM_SAMPLE_BITS==8)
typedef unsigned char FMSAMPLE;
typedef unsigned short FMSAMPLE_MIX;
#endif
typedef void (*FM_TIMERHANDLER)(int n,int c,int cnt,double stepTime);
typedef void (*FM_IRQHANDLER)(int n,int irq);
/* FM_TIMERHANDLER : Stop or Start timer */
/* int n = chip number */
/* int c = Channel 0=TimerA,1=TimerB */
/* int count = timer count (0=stop) */
/* doube stepTime = step time of one count (sec.)*/
/* FM_IRQHHANDLER : IRQ level changing sense */
/* int n = chip number */
/* int irq = IRQ level 0=OFF,1=ON */
#if BUILD_YM2203
/* -------------------- YM2203(OPN) Interface -------------------- */
/*
** Initialize YM2203 emulator(s).
**
** 'num' is the number of virtual YM2203's to allocate
** 'baseclock'
** 'rate' is sampling rate
** 'TimerHandler' timer callback handler when timer start and clear
** 'IRQHandler' IRQ callback handler when changed IRQ level
** return 0 = success
*/
int YM2203Init(int num, int baseclock, int rate,
FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
/*
** shutdown the YM2203 emulators .. make sure that no sound system stuff
** is touching our audio buffers ...
*/
void YM2203Shutdown(void);
/*
** reset all chip registers for YM2203 number 'num'
*/
void YM2203ResetChip(int num);
/*
** update one of chip
*/
void YM2203UpdateOne(int num, INT16 *buffer, int length);
/*
** Write
** return : InterruptLevel
*/
int YM2203Write(int n,int a,unsigned char v);
/*
** Read
** return : InterruptLevel
*/
unsigned char YM2203Read(int n,int a);
/*
** Timer OverFlow
*/
int YM2203TimerOver(int n, int c);
#endif /* BUILD_YM2203 */
#if BUILD_YM2608
/* -------------------- YM2608(OPNA) Interface -------------------- */
int YM2608Init(int num, int baseclock, int rate,
void **pcmroma,int *pcmsizea,short *rhythmrom,int *rhythmpos,
FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
void YM2608Shutdown(void);
void YM2608ResetChip(int num);
void YM2608UpdateOne(int num, INT16 **buffer, int length);
int YM2608Write(int n, int a,unsigned char v);
unsigned char YM2608Read(int n,int a);
int YM2608TimerOver(int n, int c );
#endif /* BUILD_YM2608 */
#if (BUILD_YM2610||BUILD_YM2610B)
/* -------------------- YM2610(OPNB) Interface -------------------- */
int YM2610Init(int num, int baseclock, int rate,
void **pcmroma,int *pcmasize,void **pcmromb,int *pcmbsize,
FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
void YM2610Shutdown(void);
void YM2610ResetChip(int num);
void YM2610UpdateOne(int num, INT16 **buffer, int length);
#if BUILD_YM2610B
void YM2610BUpdateOne(int num, INT16 **buffer, int length);
#endif
int YM2610Write(int n, int a,unsigned char v);
unsigned char YM2610Read(int n,int a);
int YM2610TimerOver(int n, int c );
#endif /* BUILD_YM2610 */
#if BUILD_YM2612
int YM2612Init(int num, int baseclock, int rate,
FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
void YM2612Shutdown(void);
void YM2612ResetChip(int num);
void YM2612UpdateOne(int num, INT16 **buffer, int length);
int YM2612Write(int n, int a,unsigned char v);
unsigned char YM2612Read(int n,int a);
int YM2612TimerOver(int n, int c );
#endif /* BUILD_YM2612 */
#if BUILD_YM2151
/* -------------------- YM2151(OPM) Interface -------------------- */
int OPMInit(int num, int baseclock, int rate,
FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
void OPMShutdown(void);
void OPMResetChip(int num);
void OPMUpdateOne(int num, INT16 **buffer, int length );
/* ---- set callback hander when port CT0/1 write ----- */
/* CT.bit0 = CT0 , CT.bit1 = CT1 */
/*
typedef void (*mem_write_handler)(int offset,int data);
*/
void OPMSetPortHander(int n,mem_write_handler PortWrite);
/* JB 981119 - so it will match MAME's memory write functions scheme*/
int YM2151Write(int n,int a,unsigned char v);
unsigned char YM2151Read(int n,int a);
int YM2151TimerOver(int n,int c);
#endif /* BUILD_YM2151 */
#endif /* _H_FM_FM_ */
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