forked from sin365/AxibugEmuOnline
173 lines
7.7 KiB
C
173 lines
7.7 KiB
C
#ifndef _EMU2413_H_
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#define _EMU2413_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef EMU2413_DLL_EXPORTS
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#define EMU2413_API __declspec(dllexport)
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#elif EMU2413_DLL_IMPORTS
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#define EMU2413_API __declspec(dllimport)
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#else
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#define EMU2413_API
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#endif
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#define PI 3.14159265358979
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#ifndef __VMTYPES_INCLUDED__
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typedef unsigned int uint32 ;
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typedef int int32 ;
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typedef signed short int16 ;
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typedef unsigned short uint16 ;
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//typedef signed char int8 ;
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typedef char int8 ;
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typedef unsigned char uint8 ;
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#endif
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enum {OPLL_2413_TONE=0, OPLL_VRC7_TONE=1} ;
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/* voice data */
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typedef struct {
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unsigned int TL,FB,EG,ML,AR,DR,SL,RR,KR,KL,AM,PM,WF ;
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} OPLL_PATCH ;
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/* slot */
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typedef struct {
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OPLL_PATCH *patch;
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int type ; /* 0 : modulator 1 : carrier */
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/* OUTPUT */
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int32 feedback ;
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int32 output[5] ; /* Output value of slot */
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/* for Phase Generator (PG) */
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uint32 *sintbl ; /* Wavetable */
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uint32 phase ; /* Phase */
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uint32 dphase ; /* Phase increment amount */
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uint32 pgout ; /* output */
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/* for Envelope Generator (EG) */
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int fnum ; /* F-Number */
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int block ; /* Block */
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int volume ; /* Current volume */
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int sustine ; /* Sustine 1 = ON, 0 = OFF */
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uint32 tll ; /* Total Level + Key scale level*/
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uint32 rks ; /* Key scale offset (Rks) */
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int eg_mode ; /* Current state */
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uint32 eg_phase ; /* Phase */
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uint32 eg_dphase ; /* Phase increment amount */
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uint32 egout ; /* output */
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/* refer to opll-> */
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int32 *plfo_pm ;
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int32 *plfo_am ;
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} OPLL_SLOT ;
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/* Channel */
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typedef struct {
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int patch_number ;
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int key_status ;
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OPLL_SLOT *mod, *car ;
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} OPLL_CH ;
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/* Mask */
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#define OPLL_MASK_CH(x) (1<<(x))
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#define OPLL_MASK_HH (1<<(9))
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#define OPLL_MASK_CYM (1<<(10))
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#define OPLL_MASK_TOM (1<<(11))
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#define OPLL_MASK_SD (1<<(12))
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#define OPLL_MASK_BD (1<<(13))
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#define OPLL_MASK_RYTHM ( OPLL_MASK_HH | OPLL_MASK_CYM | OPLL_MASK_TOM | OPLL_MASK_SD | OPLL_MASK_BD )
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/* opll */
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typedef struct {
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uint32 adr ;
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int32 output[2] ;
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/* Register */
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unsigned char reg[0x40] ;
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int slot_on_flag[18] ;
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/* Rythm Mode : 0 = OFF, 1 = ON */
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int rythm_mode ;
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/* Pitch Modulator */
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uint32 pm_phase ;
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int32 lfo_pm ;
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/* Amp Modulator */
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int32 am_phase ;
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int32 lfo_am ;
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/* Noise Generator */
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uint32 noise_seed ;
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uint32 whitenoise ;
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uint32 noiseA ;
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uint32 noiseB ;
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uint32 noiseA_phase ;
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uint32 noiseB_phase ;
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uint32 noiseA_idx ;
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uint32 noiseB_idx ;
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uint32 noiseA_dphase ;
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uint32 noiseB_dphase ;
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/* Channel & Slot */
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OPLL_CH *ch[9] ;
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OPLL_SLOT *slot[18] ;
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/* Voice Data */
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OPLL_PATCH *patch[19*2] ;
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int patch_update[2] ; /* flag for check patch update */
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uint32 mask ;
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int masterVolume ; /* 0min -- 64 -- 127 max (Liner) */
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} OPLL ;
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/* Initialize */
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EMU2413_API void OPLL_init(uint32 clk, uint32 rate) ;
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EMU2413_API void OPLL_close(void) ;
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/* Create Object */
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EMU2413_API OPLL *OPLL_new(void) ;
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EMU2413_API void OPLL_delete(OPLL *) ;
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/* Setup */
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EMU2413_API void OPLL_reset(OPLL *) ;
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EMU2413_API void OPLL_reset_patch(OPLL *, int) ;
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EMU2413_API void OPLL_setClock(uint32 c, uint32 r) ;
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/* Port/Register access */
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EMU2413_API void OPLL_writeIO(OPLL *, uint32 reg, uint32 val) ;
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EMU2413_API void OPLL_writeReg(OPLL *, uint32 reg, uint32 val) ;
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/* Synthsize */
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EMU2413_API int16 OPLL_calc(OPLL *) ;
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/* Misc */
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EMU2413_API void OPLL_copyPatch(OPLL *, int, OPLL_PATCH *) ;
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EMU2413_API void OPLL_forceRefresh(OPLL *) ;
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EMU2413_API void dump2patch(unsigned char *, OPLL_PATCH *) ;
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/* Channel Mask */
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EMU2413_API uint32 OPLL_setMask(OPLL *, uint32 mask) ;
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EMU2413_API uint32 OPLL_toggleMask(OPLL *, uint32 mask) ;
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#ifdef __cplusplus
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}
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#endif
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#endif
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