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1 | 85571bc7 | bellard | #ifndef __FMOPL_H_
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2 | 85571bc7 | bellard | #define __FMOPL_H_
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3 | 85571bc7 | bellard | |
4 | 85571bc7 | bellard | /* --- select emulation chips --- */
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5 | 85571bc7 | bellard | #define BUILD_YM3812 (HAS_YM3812)
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6 | 85571bc7 | bellard | //#define BUILD_YM3526 (HAS_YM3526)
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7 | 85571bc7 | bellard | //#define BUILD_Y8950 (HAS_Y8950)
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8 | 85571bc7 | bellard | |
9 | 85571bc7 | bellard | /* --- system optimize --- */
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10 | 85571bc7 | bellard | /* select bit size of output : 8 or 16 */
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11 | 85571bc7 | bellard | #define OPL_OUTPUT_BIT 16 |
12 | 85571bc7 | bellard | |
13 | 85571bc7 | bellard | /* compiler dependence */
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14 | 85571bc7 | bellard | #ifndef OSD_CPU_H
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15 | 85571bc7 | bellard | #define OSD_CPU_H
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16 | 85571bc7 | bellard | typedef unsigned char UINT8; /* unsigned 8bit */ |
17 | 85571bc7 | bellard | typedef unsigned short UINT16; /* unsigned 16bit */ |
18 | 85571bc7 | bellard | typedef unsigned int UINT32; /* unsigned 32bit */ |
19 | 85571bc7 | bellard | typedef signed char INT8; /* signed 8bit */ |
20 | 85571bc7 | bellard | typedef signed short INT16; /* signed 16bit */ |
21 | 85571bc7 | bellard | typedef signed int INT32; /* signed 32bit */ |
22 | 85571bc7 | bellard | #endif
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23 | 85571bc7 | bellard | |
24 | 85571bc7 | bellard | #if (OPL_OUTPUT_BIT==16) |
25 | 85571bc7 | bellard | typedef INT16 OPLSAMPLE;
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26 | 85571bc7 | bellard | #endif
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27 | 85571bc7 | bellard | #if (OPL_OUTPUT_BIT==8) |
28 | 85571bc7 | bellard | typedef unsigned char OPLSAMPLE; |
29 | 85571bc7 | bellard | #endif
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30 | 85571bc7 | bellard | |
31 | 85571bc7 | bellard | |
32 | 85571bc7 | bellard | #if BUILD_Y8950
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33 | 85571bc7 | bellard | #include "ymdeltat.h" |
34 | 85571bc7 | bellard | #endif
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35 | 85571bc7 | bellard | |
36 | 85571bc7 | bellard | typedef void (*OPL_TIMERHANDLER)(int channel,double interval_Sec); |
37 | 85571bc7 | bellard | typedef void (*OPL_IRQHANDLER)(int param,int irq); |
38 | 85571bc7 | bellard | typedef void (*OPL_UPDATEHANDLER)(int param,int min_interval_us); |
39 | 85571bc7 | bellard | typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data); |
40 | 85571bc7 | bellard | typedef unsigned char (*OPL_PORTHANDLER_R)(int param); |
41 | 85571bc7 | bellard | |
42 | 85571bc7 | bellard | /* !!!!! here is private section , do not access there member direct !!!!! */
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43 | 85571bc7 | bellard | |
44 | 85571bc7 | bellard | #define OPL_TYPE_WAVESEL 0x01 /* waveform select */ |
45 | 85571bc7 | bellard | #define OPL_TYPE_ADPCM 0x02 /* DELTA-T ADPCM unit */ |
46 | 85571bc7 | bellard | #define OPL_TYPE_KEYBOARD 0x04 /* keyboard interface */ |
47 | 85571bc7 | bellard | #define OPL_TYPE_IO 0x08 /* I/O port */ |
48 | 85571bc7 | bellard | |
49 | 85571bc7 | bellard | /* Saving is necessary for member of the 'R' mark for suspend/resume */
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50 | 85571bc7 | bellard | /* ---------- OPL one of slot ---------- */
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51 | 85571bc7 | bellard | typedef struct fm_opl_slot { |
52 | 85571bc7 | bellard | INT32 TL; /* total level :TL << 8 */
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53 | 85571bc7 | bellard | INT32 TLL; /* adjusted now TL */
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54 | 85571bc7 | bellard | UINT8 KSR; /* key scale rate :(shift down bit) */
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55 | 85571bc7 | bellard | INT32 *AR; /* attack rate :&AR_TABLE[AR<<2] */
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56 | 85571bc7 | bellard | INT32 *DR; /* decay rate :&DR_TALBE[DR<<2] */
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57 | 85571bc7 | bellard | INT32 SL; /* sustin level :SL_TALBE[SL] */
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58 | 85571bc7 | bellard | INT32 *RR; /* release rate :&DR_TABLE[RR<<2] */
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59 | 85571bc7 | bellard | UINT8 ksl; /* keyscale level :(shift down bits) */
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60 | 85571bc7 | bellard | UINT8 ksr; /* key scale rate :kcode>>KSR */
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61 | 85571bc7 | bellard | UINT32 mul; /* multiple :ML_TABLE[ML] */
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62 | 85571bc7 | bellard | UINT32 Cnt; /* frequency count : */
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63 | 85571bc7 | bellard | UINT32 Incr; /* frequency step : */
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64 | 85571bc7 | bellard | /* envelope generator state */
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65 | 85571bc7 | bellard | UINT8 eg_typ; /* envelope type flag */
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66 | 85571bc7 | bellard | UINT8 evm; /* envelope phase */
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67 | 85571bc7 | bellard | INT32 evc; /* envelope counter */
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68 | 85571bc7 | bellard | INT32 eve; /* envelope counter end point */
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69 | 85571bc7 | bellard | INT32 evs; /* envelope counter step */
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70 | 85571bc7 | bellard | INT32 evsa; /* envelope step for AR :AR[ksr] */
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71 | 85571bc7 | bellard | INT32 evsd; /* envelope step for DR :DR[ksr] */
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72 | 85571bc7 | bellard | INT32 evsr; /* envelope step for RR :RR[ksr] */
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73 | 85571bc7 | bellard | /* LFO */
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74 | 85571bc7 | bellard | UINT8 ams; /* ams flag */
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75 | 85571bc7 | bellard | UINT8 vib; /* vibrate flag */
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76 | 85571bc7 | bellard | /* wave selector */
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77 | 85571bc7 | bellard | INT32 **wavetable; |
78 | 85571bc7 | bellard | }OPL_SLOT; |
79 | 85571bc7 | bellard | |
80 | 85571bc7 | bellard | /* ---------- OPL one of channel ---------- */
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81 | 85571bc7 | bellard | typedef struct fm_opl_channel { |
82 | 85571bc7 | bellard | OPL_SLOT SLOT[2];
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83 | 85571bc7 | bellard | UINT8 CON; /* connection type */
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84 | 85571bc7 | bellard | UINT8 FB; /* feed back :(shift down bit) */
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85 | 85571bc7 | bellard | INT32 *connect1; /* slot1 output pointer */
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86 | 85571bc7 | bellard | INT32 *connect2; /* slot2 output pointer */
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87 | 85571bc7 | bellard | INT32 op1_out[2]; /* slot1 output for selfeedback */ |
88 | 85571bc7 | bellard | /* phase generator state */
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89 | 85571bc7 | bellard | UINT32 block_fnum; /* block+fnum : */
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90 | 85571bc7 | bellard | UINT8 kcode; /* key code : KeyScaleCode */
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91 | 85571bc7 | bellard | UINT32 fc; /* Freq. Increment base */
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92 | 85571bc7 | bellard | UINT32 ksl_base; /* KeyScaleLevel Base step */
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93 | 85571bc7 | bellard | UINT8 keyon; /* key on/off flag */
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94 | 85571bc7 | bellard | } OPL_CH; |
95 | 85571bc7 | bellard | |
96 | 85571bc7 | bellard | /* OPL state */
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97 | 85571bc7 | bellard | typedef struct fm_opl_f { |
98 | 85571bc7 | bellard | UINT8 type; /* chip type */
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99 | 85571bc7 | bellard | int clock; /* master clock (Hz) */ |
100 | 85571bc7 | bellard | int rate; /* sampling rate (Hz) */ |
101 | 85571bc7 | bellard | double freqbase; /* frequency base */ |
102 | 85571bc7 | bellard | double TimerBase; /* Timer base time (==sampling time) */ |
103 | 85571bc7 | bellard | UINT8 address; /* address register */
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104 | 85571bc7 | bellard | UINT8 status; /* status flag */
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105 | 85571bc7 | bellard | UINT8 statusmask; /* status mask */
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106 | 85571bc7 | bellard | UINT32 mode; /* Reg.08 : CSM , notesel,etc. */
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107 | 85571bc7 | bellard | /* Timer */
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108 | 85571bc7 | bellard | int T[2]; /* timer counter */ |
109 | 85571bc7 | bellard | UINT8 st[2]; /* timer enable */ |
110 | 85571bc7 | bellard | /* FM channel slots */
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111 | 85571bc7 | bellard | OPL_CH *P_CH; /* pointer of CH */
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112 | 85571bc7 | bellard | int max_ch; /* maximum channel */ |
113 | 85571bc7 | bellard | /* Rythm sention */
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114 | 85571bc7 | bellard | UINT8 rythm; /* Rythm mode , key flag */
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115 | 85571bc7 | bellard | #if BUILD_Y8950
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116 | 85571bc7 | bellard | /* Delta-T ADPCM unit (Y8950) */
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117 | 85571bc7 | bellard | YM_DELTAT *deltat; /* DELTA-T ADPCM */
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118 | 85571bc7 | bellard | #endif
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119 | 85571bc7 | bellard | /* Keyboard / I/O interface unit (Y8950) */
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120 | 85571bc7 | bellard | UINT8 portDirection; |
121 | 85571bc7 | bellard | UINT8 portLatch; |
122 | 85571bc7 | bellard | OPL_PORTHANDLER_R porthandler_r; |
123 | 85571bc7 | bellard | OPL_PORTHANDLER_W porthandler_w; |
124 | 85571bc7 | bellard | int port_param;
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125 | 85571bc7 | bellard | OPL_PORTHANDLER_R keyboardhandler_r; |
126 | 85571bc7 | bellard | OPL_PORTHANDLER_W keyboardhandler_w; |
127 | 85571bc7 | bellard | int keyboard_param;
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128 | 85571bc7 | bellard | /* time tables */
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129 | 85571bc7 | bellard | INT32 AR_TABLE[75]; /* atttack rate tables */ |
130 | 85571bc7 | bellard | INT32 DR_TABLE[75]; /* decay rate tables */ |
131 | 85571bc7 | bellard | UINT32 FN_TABLE[1024]; /* fnumber -> increment counter */ |
132 | 85571bc7 | bellard | /* LFO */
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133 | 85571bc7 | bellard | INT32 *ams_table; |
134 | 85571bc7 | bellard | INT32 *vib_table; |
135 | 85571bc7 | bellard | INT32 amsCnt; |
136 | 85571bc7 | bellard | INT32 amsIncr; |
137 | 85571bc7 | bellard | INT32 vibCnt; |
138 | 85571bc7 | bellard | INT32 vibIncr; |
139 | 85571bc7 | bellard | /* wave selector enable flag */
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140 | 85571bc7 | bellard | UINT8 wavesel; |
141 | 85571bc7 | bellard | /* external event callback handler */
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142 | 85571bc7 | bellard | OPL_TIMERHANDLER TimerHandler; /* TIMER handler */
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143 | 85571bc7 | bellard | int TimerParam; /* TIMER parameter */ |
144 | 85571bc7 | bellard | OPL_IRQHANDLER IRQHandler; /* IRQ handler */
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145 | 85571bc7 | bellard | int IRQParam; /* IRQ parameter */ |
146 | 85571bc7 | bellard | OPL_UPDATEHANDLER UpdateHandler; /* stream update handler */
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147 | 85571bc7 | bellard | int UpdateParam; /* stream update parameter */ |
148 | 85571bc7 | bellard | } FM_OPL; |
149 | 85571bc7 | bellard | |
150 | 85571bc7 | bellard | /* ---------- Generic interface section ---------- */
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151 | 85571bc7 | bellard | #define OPL_TYPE_YM3526 (0) |
152 | 85571bc7 | bellard | #define OPL_TYPE_YM3812 (OPL_TYPE_WAVESEL)
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153 | 85571bc7 | bellard | #define OPL_TYPE_Y8950 (OPL_TYPE_ADPCM|OPL_TYPE_KEYBOARD|OPL_TYPE_IO)
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154 | 85571bc7 | bellard | |
155 | 85571bc7 | bellard | FM_OPL *OPLCreate(int type, int clock, int rate); |
156 | 85571bc7 | bellard | void OPLDestroy(FM_OPL *OPL);
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157 | 85571bc7 | bellard | void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset); |
158 | 85571bc7 | bellard | void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param); |
159 | 85571bc7 | bellard | void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param); |
160 | 85571bc7 | bellard | /* Y8950 port handlers */
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161 | 85571bc7 | bellard | void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param); |
162 | 85571bc7 | bellard | void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param); |
163 | 85571bc7 | bellard | |
164 | 85571bc7 | bellard | void OPLResetChip(FM_OPL *OPL);
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165 | 85571bc7 | bellard | int OPLWrite(FM_OPL *OPL,int a,int v); |
166 | 85571bc7 | bellard | unsigned char OPLRead(FM_OPL *OPL,int a); |
167 | 85571bc7 | bellard | int OPLTimerOver(FM_OPL *OPL,int c); |
168 | 85571bc7 | bellard | |
169 | 85571bc7 | bellard | /* YM3626/YM3812 local section */
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170 | 85571bc7 | bellard | void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); |
171 | 85571bc7 | bellard | |
172 | 85571bc7 | bellard | void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); |
173 | 85571bc7 | bellard | |
174 | 85571bc7 | bellard | #endif |