118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
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#ifndef __FMOPL_H_
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#define __FMOPL_H_
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#include "wl_def.h"
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#define HAS_YM3812 1
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/* --- select emulation chips --- */
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#define BUILD_YM3812 (HAS_YM3812)
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#define BUILD_YM3526 (HAS_YM3526)
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#define BUILD_Y8950 (HAS_Y8950)
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/* select output bits size of output : 8 or 16 */
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#define OPL_SAMPLE_BITS 16
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/* compiler dependence */
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#ifndef OSD_CPU_H
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#define OSD_CPU_H
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typedef unsigned char UINT8; /* unsigned 8bit */
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typedef unsigned short UINT16; /* unsigned 16bit */
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typedef unsigned int UINT32; /* unsigned 32bit */
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typedef signed char INT8; /* signed 8bit */
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typedef signed short INT16; /* signed 16bit */
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typedef signed int INT32; /* signed 32bit */
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#endif
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#if (OPL_SAMPLE_BITS==16)
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typedef INT16 OPLSAMPLE;
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#endif
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#if (OPL_SAMPLE_BITS==8)
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typedef INT8 OPLSAMPLE;
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#endif
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typedef void (*OPL_TIMERHANDLER)(int channel,double interval_Sec);
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typedef void (*OPL_IRQHANDLER)(int param,int irq);
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typedef void (*OPL_UPDATEHANDLER)(int param,int min_interval_us);
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typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data);
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typedef unsigned char (*OPL_PORTHANDLER_R)(int param);
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#if BUILD_YM3812
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typedef void device_t;
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void *YM3812Init(device_t *junk, UINT32 clock, UINT32 rate);
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void YM3812Shutdown(void *chip);
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void YM3812ResetChip(void *chip);
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int YM3812Write(void *chip, int a, int v);
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unsigned char YM3812Read(void *chip, int a);
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void YM3812Mute(void *chip,int channel,bool mute);
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int YM3812TimerOver(void *chip, int c);
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void YM3812UpdateOne(void *chip, INT16 *buffer, int length);
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// not used
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//void YM3812SetTimerHandler(void *chip, OPL_TIMERHANDLER TimerHandler, int channelOffset);
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//void YM3812SetIRQHandler(void *chip, OPL_IRQHANDLER IRQHandler, int param);
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//void YM3812SetUpdateHandler(void *chip, OPL_UPDATEHANDLER UpdateHandler, int param);
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#endif
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#if BUILD_YM3526
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/*
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** Initialize YM3526 emulator(s).
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**
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** 'num' is the number of virtual YM3526's to allocate
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** 'clock' is the chip clock in Hz
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** 'rate' is sampling rate
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*/
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int YM3526Init(int num, int clock, int rate);
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/* shutdown the YM3526 emulators*/
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void YM3526Shutdown(void);
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void YM3526ResetChip(int which);
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int YM3526Write(int which, int a, int v);
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unsigned char YM3526Read(int which, int a);
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int YM3526TimerOver(int which, int c);
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/*
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** Generate samples for one of the YM3526's
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**
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** 'which' is the virtual YM3526 number
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** '*buffer' is the output buffer pointer
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** 'length' is the number of samples that should be generated
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*/
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void YM3526UpdateOne(int which, INT16 *buffer, int length);
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void YM3526SetTimerHandler(int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
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void YM3526SetIRQHandler(int which, OPL_IRQHANDLER IRQHandler, int param);
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void YM3526SetUpdateHandler(int which, OPL_UPDATEHANDLER UpdateHandler, int param);
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#endif
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#if BUILD_Y8950
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/* Y8950 port handlers */
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void Y8950SetPortHandler(int which, OPL_PORTHANDLER_W PortHandler_w, OPL_PORTHANDLER_R PortHandler_r, int param);
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void Y8950SetKeyboardHandler(int which, OPL_PORTHANDLER_W KeyboardHandler_w, OPL_PORTHANDLER_R KeyboardHandler_r, int param);
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void Y8950SetDeltaTMemory(int which, void * deltat_mem_ptr, int deltat_mem_size );
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int Y8950Init (int num, int clock, int rate);
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void Y8950Shutdown (void);
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void Y8950ResetChip (int which);
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int Y8950Write (int which, int a, int v);
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unsigned char Y8950Read (int which, int a);
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int Y8950TimerOver (int which, int c);
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void Y8950UpdateOne (int which, INT16 *buffer, int length);
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void Y8950SetTimerHandler (int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
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void Y8950SetIRQHandler (int which, OPL_IRQHANDLER IRQHandler, int param);
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void Y8950SetUpdateHandler (int which, OPL_UPDATEHANDLER UpdateHandler, int param);
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#endif
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#endif /* __FMOPL_H_ */
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