| 1 | #ifndef _EMU2413_H_ |
| 2 | #define _EMU2413_H_ |
| 3 | |
| 4 | #include "emutypes.h" |
| 5 | |
| 6 | #ifdef EMU2413_DLL_EXPORTS |
| 7 | #define EMU2413_API __declspec(dllexport) |
| 8 | #elif defined(EMU2413_DLL_IMPORTS) |
| 9 | #define EMU2413_API __declspec(dllimport) |
| 10 | #else |
| 11 | #define EMU2413_API |
| 12 | #endif |
| 13 | |
| 14 | #ifdef __cplusplus |
| 15 | extern "C" { |
| 16 | #endif |
| 17 | |
| 18 | #define PI 3.14159265358979323846 |
| 19 | |
| 20 | enum {OPLL_VRC7_TONE=0} ; |
| 21 | |
| 22 | /* voice data */ |
| 23 | typedef struct { |
| 24 | e_uint32 TL,FB,EG,ML,AR,DR,SL,RR,KR,KL,AM,PM,WF ; |
| 25 | } OPLL_PATCH ; |
| 26 | |
| 27 | /* slot */ |
| 28 | typedef struct { |
| 29 | |
| 30 | OPLL_PATCH patch; |
| 31 | |
| 32 | e_int32 type ; /* 0 : modulator 1 : carrier */ |
| 33 | |
| 34 | /* OUTPUT */ |
| 35 | e_int32 feedback ; |
| 36 | e_int32 output[2] ; /* Output value of slot */ |
| 37 | |
| 38 | /* for Phase Generator (PG) */ |
| 39 | e_uint16 *sintbl ; /* Wavetable */ |
| 40 | e_uint32 phase ; /* Phase */ |
| 41 | e_uint32 dphase ; /* Phase increment amount */ |
| 42 | e_uint32 pgout ; /* output */ |
| 43 | |
| 44 | /* for Envelope Generator (EG) */ |
| 45 | e_int32 fnum ; /* F-Number */ |
| 46 | e_int32 block ; /* Block */ |
| 47 | e_int32 volume ; /* Current volume */ |
| 48 | e_int32 sustine ; /* Sustine 1 = ON, 0 = OFF */ |
| 49 | e_uint32 tll ; /* Total Level + Key scale level*/ |
| 50 | e_uint32 rks ; /* Key scale offset (Rks) */ |
| 51 | e_int32 eg_mode ; /* Current state */ |
| 52 | e_uint32 eg_phase ; /* Phase */ |
| 53 | e_uint32 eg_dphase ; /* Phase increment amount */ |
| 54 | e_uint32 egout ; /* output */ |
| 55 | |
| 56 | } OPLL_SLOT ; |
| 57 | |
| 58 | /* Mask */ |
| 59 | #define OPLL_MASK_CH(x) (1<<(x)) |
| 60 | |
| 61 | /* opll */ |
| 62 | typedef struct { |
| 63 | |
| 64 | e_uint32 adr ; |
| 65 | e_int32 out ; |
| 66 | |
| 67 | #ifndef EMU2413_COMPACTION |
| 68 | e_uint32 realstep ; |
| 69 | e_uint32 oplltime ; |
| 70 | e_uint32 opllstep ; |
| 71 | e_int32 prev, next ; |
| 72 | #endif |
| 73 | |
| 74 | /* Register */ |
| 75 | e_uint8 LowFreq[6]; |
| 76 | e_uint8 HiFreq[6]; |
| 77 | e_uint8 InstVol[6]; |
| 78 | |
| 79 | e_uint8 CustInst[8]; |
| 80 | |
| 81 | e_int32 slot_on_flag[6 * 2] ; |
| 82 | |
| 83 | /* Pitch Modulator */ |
| 84 | e_uint32 pm_phase ; |
| 85 | e_int32 lfo_pm ; |
| 86 | |
| 87 | /* Amp Modulator */ |
| 88 | e_int32 am_phase ; |
| 89 | e_int32 lfo_am ; |
| 90 | |
| 91 | e_uint32 quality; |
| 92 | |
| 93 | /* Channel Data */ |
| 94 | e_int32 patch_number[6]; |
| 95 | e_int32 key_status[6] ; |
| 96 | |
| 97 | /* Slot */ |
| 98 | OPLL_SLOT slot[6 * 2] ; |
| 99 | |
| 100 | e_uint32 mask ; |
| 101 | |
| 102 | } OPLL ; |
| 103 | |
| 104 | /* Create Object */ |
| 105 | EMU2413_API OPLL *OPLL_new(e_uint32 clk, e_uint32 rate) ; |
| 106 | EMU2413_API void OPLL_delete(OPLL *) ; |
| 107 | |
| 108 | /* Setup */ |
| 109 | EMU2413_API void OPLL_reset(OPLL *) ; |
| 110 | EMU2413_API void OPLL_set_rate(OPLL *opll, e_uint32 r) ; |
| 111 | EMU2413_API void OPLL_set_quality(OPLL *opll, e_uint32 q) ; |
| 112 | |
| 113 | /* Port/Register access */ |
| 114 | EMU2413_API void OPLL_writeIO(OPLL *, e_uint32 reg, e_uint32 val) ; |
| 115 | EMU2413_API void OPLL_writeReg(OPLL *, e_uint32 reg, e_uint32 val) ; |
| 116 | |
| 117 | /* Synthsize */ |
| 118 | EMU2413_API e_int16 OPLL_calc(OPLL *) ; |
| 119 | |
| 120 | /* Misc */ |
| 121 | EMU2413_API void OPLL_forceRefresh(OPLL *) ; |
| 122 | |
| 123 | /* Channel Mask */ |
| 124 | EMU2413_API e_uint32 OPLL_setMask(OPLL *, e_uint32 mask) ; |
| 125 | EMU2413_API e_uint32 OPLL_toggleMask(OPLL *, e_uint32 mask) ; |
| 126 | |
| 127 | |
| 128 | void moocow(OPLL* opll, e_int32 *buf, e_int32 len, int shift); |
| 129 | |
| 130 | #ifdef __cplusplus |
| 131 | } |
| 132 | #endif |
| 133 | |
| 134 | #endif |