mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-01 15:05:05 +01:00
140 lines
2.6 KiB
C
140 lines
2.6 KiB
C
#ifndef _EMU2413_H_
|
|
#define _EMU2413_H_
|
|
|
|
#ifndef INLINE
|
|
#if defined(_MSC_VER)
|
|
#define INLINE __forceinline
|
|
#elif defined(__GNUC__)
|
|
#define INLINE __inline__
|
|
#elif defined(_MWERKS_)
|
|
#define INLINE inline
|
|
#else
|
|
#define INLINE
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef unsigned char uint8 ;
|
|
typedef signed char int8 ;
|
|
|
|
typedef unsigned short uint16 ;
|
|
typedef signed short int16 ;
|
|
|
|
typedef unsigned int uint32 ;
|
|
typedef signed int int32 ;
|
|
|
|
#define PI 3.14159265358979323846
|
|
|
|
enum { OPLL_VRC7_TONE=0 };
|
|
|
|
/* voice data */
|
|
typedef struct {
|
|
uint32 TL, FB, EG, ML, AR, DR, SL, RR, KR, KL, AM, PM, WF;
|
|
} OPLL_PATCH;
|
|
|
|
/* slot */
|
|
typedef struct {
|
|
OPLL_PATCH patch;
|
|
|
|
int32 type; /* 0 : modulator 1 : carrier */
|
|
|
|
/* OUTPUT */
|
|
int32 feedback;
|
|
int32 output[2]; /* Output value of slot */
|
|
|
|
/* for Phase Generator (PG) */
|
|
uint16 *sintbl; /* Wavetable */
|
|
uint32 phase; /* Phase */
|
|
uint32 dphase; /* Phase increment amount */
|
|
uint32 pgout; /* output */
|
|
|
|
/* for Envelope Generator (EG) */
|
|
int32 fnum; /* F-Number */
|
|
int32 block; /* Block */
|
|
int32 volume; /* Current volume */
|
|
int32 sustine; /* Sustine 1 = ON, 0 = OFF */
|
|
uint32 tll; /* Total Level + Key scale level*/
|
|
uint32 rks; /* Key scale offset (Rks) */
|
|
int32 eg_mode; /* Current state */
|
|
uint32 eg_phase; /* Phase */
|
|
uint32 eg_dphase; /* Phase increment amount */
|
|
uint32 egout; /* output */
|
|
} OPLL_SLOT;
|
|
|
|
/* Mask */
|
|
#define OPLL_MASK_CH(x) (1 << (x))
|
|
|
|
/* opll */
|
|
typedef struct {
|
|
uint32 adr;
|
|
int32 out;
|
|
|
|
uint32 realstep;
|
|
uint32 oplltime;
|
|
uint32 opllstep;
|
|
int32 prev, next;
|
|
|
|
/* Register */
|
|
uint8 LowFreq[6];
|
|
uint8 HiFreq[6];
|
|
uint8 InstVol[6];
|
|
|
|
uint8 CustInst[8];
|
|
|
|
int32 slot_on_flag[6 * 2];
|
|
|
|
/* Pitch Modulator */
|
|
uint32 pm_phase;
|
|
int32 lfo_pm;
|
|
|
|
/* Amp Modulator */
|
|
int32 am_phase;
|
|
int32 lfo_am;
|
|
|
|
uint32 quality;
|
|
|
|
/* Channel Data */
|
|
int32 patch_number[6];
|
|
int32 key_status[6];
|
|
|
|
/* Slot */
|
|
OPLL_SLOT slot[6 * 2];
|
|
|
|
uint32 mask;
|
|
} OPLL;
|
|
|
|
/* Create Object */
|
|
OPLL *OPLL_new(uint32 clk, uint32 rate);
|
|
void OPLL_delete(OPLL *);
|
|
|
|
/* Setup */
|
|
void OPLL_reset(OPLL *);
|
|
void OPLL_set_rate(OPLL *opll, uint32 r);
|
|
void OPLL_set_quality(OPLL *opll, uint32 q);
|
|
|
|
/* Port/Register access */
|
|
void OPLL_writeIO(OPLL *, uint32 reg, uint32 val);
|
|
void OPLL_writeReg(OPLL *, uint32 reg, uint32 val);
|
|
|
|
/* Synthsize */
|
|
int16 OPLL_calc(OPLL *);
|
|
|
|
/* Misc */
|
|
void OPLL_forceRefresh(OPLL *);
|
|
|
|
/* Channel Mask */
|
|
uint32 OPLL_setMask(OPLL *, uint32 mask);
|
|
uint32 OPLL_toggleMask(OPLL *, uint32 mask);
|
|
|
|
|
|
void OPLL_fillbuf(OPLL* opll, int32 *buf, int32 len, int shift);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|