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