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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 |