diff options
Diffstat (limited to 'src/emu/sound/fmopl.h')
-rw-r--r-- | src/emu/sound/fmopl.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/emu/sound/fmopl.h b/src/emu/sound/fmopl.h new file mode 100644 index 00000000000..f9521144c22 --- /dev/null +++ b/src/emu/sound/fmopl.h @@ -0,0 +1,111 @@ +#ifndef __FMOPL_H_ +#define __FMOPL_H_ + +/* --- select emulation chips --- */ +#define BUILD_YM3812 (HAS_YM3812) +#define BUILD_YM3526 (HAS_YM3526) +#define BUILD_Y8950 (HAS_Y8950) + +/* select output bits size of output : 8 or 16 */ +#define OPL_SAMPLE_BITS 16 + +/* compiler dependence */ +#ifndef __OSDCOMM_H__ +#define __OSDCOMM_H__ +typedef unsigned char UINT8; /* unsigned 8bit */ +typedef unsigned short UINT16; /* unsigned 16bit */ +typedef unsigned int UINT32; /* unsigned 32bit */ +typedef signed char INT8; /* signed 8bit */ +typedef signed short INT16; /* signed 16bit */ +typedef signed int INT32; /* signed 32bit */ +#endif + +typedef stream_sample_t OPLSAMPLE; +/* +#if (OPL_SAMPLE_BITS==16) +typedef INT16 OPLSAMPLE; +#endif +#if (OPL_SAMPLE_BITS==8) +typedef INT8 OPLSAMPLE; +#endif +*/ + +typedef void (*OPL_TIMERHANDLER)(void *param,int timer,attotime period); +typedef void (*OPL_IRQHANDLER)(void *param,int irq); +typedef void (*OPL_UPDATEHANDLER)(void *param,int min_interval_us); +typedef void (*OPL_PORTHANDLER_W)(void *param,unsigned char data); +typedef unsigned char (*OPL_PORTHANDLER_R)(void *param); + + +#if BUILD_YM3812 + +void *YM3812Init(int sndindex, UINT32 clock, UINT32 rate); +void YM3812Shutdown(void *chip); +void YM3812ResetChip(void *chip); +int YM3812Write(void *chip, int a, int v); +unsigned char YM3812Read(void *chip, int a); +int YM3812TimerOver(void *chip, int c); +void YM3812UpdateOne(void *chip, OPLSAMPLE *buffer, int length); + +void YM3812SetTimerHandler(void *chip, OPL_TIMERHANDLER TimerHandler, void *param); +void YM3812SetIRQHandler(void *chip, OPL_IRQHANDLER IRQHandler, void *param); +void YM3812SetUpdateHandler(void *chip, OPL_UPDATEHANDLER UpdateHandler, void *param); + +#endif + + +#if BUILD_YM3526 + +/* +** Initialize YM3526 emulator(s). +** +** 'num' is the number of virtual YM3526's to allocate +** 'clock' is the chip clock in Hz +** 'rate' is sampling rate +*/ +void *YM3526Init(int sndindex, UINT32 clock, UINT32 rate); +/* shutdown the YM3526 emulators*/ +void YM3526Shutdown(void *chip); +void YM3526ResetChip(void *chip); +int YM3526Write(void *chip, int a, int v); +unsigned char YM3526Read(void *chip, int a); +int YM3526TimerOver(void *chip, int c); +/* +** Generate samples for one of the YM3526's +** +** 'which' is the virtual YM3526 number +** '*buffer' is the output buffer pointer +** 'length' is the number of samples that should be generated +*/ +void YM3526UpdateOne(void *chip, OPLSAMPLE *buffer, int length); + +void YM3526SetTimerHandler(void *chip, OPL_TIMERHANDLER TimerHandler, void *param); +void YM3526SetIRQHandler(void *chip, OPL_IRQHANDLER IRQHandler, void *param); +void YM3526SetUpdateHandler(void *chip, OPL_UPDATEHANDLER UpdateHandler, void *param); + +#endif + + +#if BUILD_Y8950 + +/* Y8950 port handlers */ +void Y8950SetPortHandler(void *chip, OPL_PORTHANDLER_W PortHandler_w, OPL_PORTHANDLER_R PortHandler_r, void *param); +void Y8950SetKeyboardHandler(void *chip, OPL_PORTHANDLER_W KeyboardHandler_w, OPL_PORTHANDLER_R KeyboardHandler_r, void *param); +void Y8950SetDeltaTMemory(void *chip, void * deltat_mem_ptr, int deltat_mem_size ); + +void * Y8950Init (int sndindex, UINT32 clock, UINT32 rate); +void Y8950Shutdown (void *chip); +void Y8950ResetChip (void *chip); +int Y8950Write (void *chip, int a, int v); +unsigned char Y8950Read (void *chip, int a); +int Y8950TimerOver (void *chip, int c); +void Y8950UpdateOne (void *chip, OPLSAMPLE *buffer, int length); + +void Y8950SetTimerHandler (void *chip, OPL_TIMERHANDLER TimerHandler, void *param); +void Y8950SetIRQHandler (void *chip, OPL_IRQHANDLER IRQHandler, void *param); +void Y8950SetUpdateHandler (void *chip, OPL_UPDATEHANDLER UpdateHandler, void *param); + +#endif + + +#endif /* __FMOPL_H_ */ |