239 lines
7.7 KiB
C
239 lines
7.7 KiB
C
/*
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File: fm.h -- header file for software emulation for FM sound generator
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*/
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#pragma once
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/* --- select emulation chips --- */
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/*
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#define BUILD_YM2203 (HAS_YM2203) // build YM2203(OPN) emulator
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#define BUILD_YM2608 (HAS_YM2608) // build YM2608(OPNA) emulator
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#define BUILD_YM2610 (HAS_YM2610) // build YM2610(OPNB) emulator
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#define BUILD_YM2610B (HAS_YM2610B) // build YM2610B(OPNB?)emulator
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#define BUILD_YM2612 (HAS_YM2612) // build YM2612(OPN2) emulator
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#define BUILD_YM3438 (HAS_YM3438) // build YM3438(OPN) emulator
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*/
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#define BUILD_YM2203 1
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#define BUILD_YM2608 1
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#define BUILD_YM2610 1
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#define BUILD_YM2610B 1
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#define BUILD_YM2612 1
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#define BUILD_YM3438 1
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/* select bit size of output : 8 or 16 */
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#define FM_SAMPLE_BITS 16
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/* select timer system internal or external */
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#define FM_INTERNAL_TIMER 1
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/* --- speedup optimize --- */
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/* busy flag enulation , The definition of FM_GET_TIME_NOW() is necessary. */
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//#define FM_BUSY_FLAG_SUPPORT 1
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/* --- external SSG(YM2149/AY-3-8910)emulator interface port */
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/* used by YM2203,YM2608,and YM2610 */
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typedef struct _ssg_callbacks ssg_callbacks;
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struct _ssg_callbacks
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{
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void (*set_clock)(void *param, int clock);
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void (*write)(void *param, int address, int data);
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int (*read)(void *param);
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void (*reset)(void *param);
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};
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/* --- external callback funstions for realtime update --- */
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#if FM_BUSY_FLAG_SUPPORT
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#define TIME_TYPE attotime
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#define UNDEFINED_TIME attotime_zero
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#define FM_GET_TIME_NOW(machine) timer_get_time(machine)
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#define ADD_TIMES(t1, t2) attotime_add((t1), (t2))
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#define COMPARE_TIMES(t1, t2) attotime_compare((t1), (t2))
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#define MULTIPLY_TIME_BY_INT(t,i) attotime_mul(t, i)
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#endif
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#if BUILD_YM2203
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/* in 2203intf.c */
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void ym2203_update_request(void *param);
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#define ym2203_update_req(chip) ym2203_update_request(chip)
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#endif /* BUILD_YM2203 */
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#if BUILD_YM2608
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/* in 2608intf.c */
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void ym2608_update_request(void *param);
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#define ym2608_update_req(chip) ym2608_update_request(chip);
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#endif /* BUILD_YM2608 */
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#if (BUILD_YM2610||BUILD_YM2610B)
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/* in 2610intf.c */
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void ym2610_update_request(void *param);
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#define ym2610_update_req(chip) ym2610_update_request(chip);
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#endif /* (BUILD_YM2610||BUILD_YM2610B) */
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#if (BUILD_YM2612||BUILD_YM3438)
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/* in 2612intf.c */
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void ym2612_update_request(void *param);
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#define ym2612_update_req(chip) ym2612_update_request(chip);
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#endif /* (BUILD_YM2612||BUILD_YM3438) */
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/* compiler dependence */
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#if 0
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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 /* OSD_CPU_H */
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#endif
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typedef stream_sample_t FMSAMPLE;
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/*
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#if (FM_SAMPLE_BITS==16)
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typedef INT16 FMSAMPLE;
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#endif
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#if (FM_SAMPLE_BITS==8)
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typedef unsigned char FMSAMPLE;
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#endif
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*/
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typedef void (*FM_TIMERHANDLER)(void *param,int c,int cnt,int clock);
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typedef void (*FM_IRQHANDLER)(void *param,int irq);
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/* FM_TIMERHANDLER : Stop or Start timer */
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/* int n = chip number */
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/* int c = Channel 0=TimerA,1=TimerB */
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/* int count = timer count (0=stop) */
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/* doube stepTime = step time of one count (sec.)*/
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/* FM_IRQHHANDLER : IRQ level changing sense */
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/* int n = chip number */
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/* int irq = IRQ level 0=OFF,1=ON */
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#if BUILD_YM2203
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/* -------------------- YM2203(OPN) Interface -------------------- */
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/*
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** Initialize YM2203 emulator(s).
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**
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** 'num' is the number of virtual YM2203's to allocate
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** 'baseclock'
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** 'rate' is sampling rate
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** 'TimerHandler' timer callback handler when timer start and clear
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** 'IRQHandler' IRQ callback handler when changed IRQ level
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** return 0 = success
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*/
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//void * ym2203_init(void *param, const device_config *device, int baseclock, int rate,
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// FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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void * ym2203_init(void *param, int baseclock, int rate,
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FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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/*
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** shutdown the YM2203 emulators
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*/
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void ym2203_shutdown(void *chip);
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/*
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** reset all chip registers for YM2203 number 'num'
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*/
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void ym2203_reset_chip(void *chip);
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/*
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** update one of chip
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*/
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void ym2203_update_one(void *chip, FMSAMPLE **buffer, int length);
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/*
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** Write
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** return : InterruptLevel
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*/
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int ym2203_write(void *chip,int a,unsigned char v);
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/*
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** Read
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** return : InterruptLevel
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*/
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unsigned char ym2203_read(void *chip,int a);
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/*
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** Timer OverFlow
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*/
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int ym2203_timer_over(void *chip, int c);
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/*
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** State Save
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*/
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void ym2203_postload(void *chip);
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void ym2203_set_mutemask(void *chip, UINT32 MuteMask);
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#endif /* BUILD_YM2203 */
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#if BUILD_YM2608
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/* -------------------- YM2608(OPNA) Interface -------------------- */
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//void * ym2608_init(void *param, const device_config *device, int baseclock, int rate,
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// void *pcmroma,int pcmsizea,
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// FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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void * ym2608_init(void *param, int baseclock, int rate,
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FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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void ym2608_shutdown(void *chip);
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void ym2608_reset_chip(void *chip);
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void ym2608_update_one(void *chip, FMSAMPLE **buffer, int length);
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int ym2608_write(void *chip, int a,unsigned char v);
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unsigned char ym2608_read(void *chip,int a);
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int ym2608_timer_over(void *chip, int c );
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void ym2608_postload(void *chip);
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void ym2608_write_pcmrom(void *chip, UINT8 rom_id, offs_t ROMSize, offs_t DataStart,
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offs_t DataLength, const UINT8* ROMData);
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void ym2608_set_mutemask(void *chip, UINT32 MuteMask);
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#endif /* BUILD_YM2608 */
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#if (BUILD_YM2610||BUILD_YM2610B)
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/* -------------------- YM2610(OPNB) Interface -------------------- */
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//void * ym2610_init(void *param, const device_config *device, int baseclock, int rate,
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// void *pcmroma,int pcmasize,void *pcmromb,int pcmbsize,
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// FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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void * ym2610_init(void *param, int baseclock, int rate,
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FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler, const ssg_callbacks *ssg);
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void ym2610_shutdown(void *chip);
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void ym2610_reset_chip(void *chip);
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void ym2610_update_one(void *chip, FMSAMPLE **buffer, int length);
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#if BUILD_YM2610B
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void ym2610b_update_one(void *chip, FMSAMPLE **buffer, int length);
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#endif /* BUILD_YM2610B */
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int ym2610_write(void *chip, int a,unsigned char v);
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unsigned char ym2610_read(void *chip,int a);
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int ym2610_timer_over(void *chip, int c );
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void ym2610_postload(void *chip);
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void ym2610_write_pcmrom(void *chip, UINT8 rom_id, offs_t ROMSize, offs_t DataStart,
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offs_t DataLength, const UINT8* ROMData);
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void ym2610_set_mutemask(void *chip, UINT32 MuteMask);
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#endif /* (BUILD_YM2610||BUILD_YM2610B) */
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#if (BUILD_YM2612||BUILD_YM3438)
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//void * ym2612_init(void *param, const device_config *device, int baseclock, int rate,
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// FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler);
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void * ym2612_init(void *param, int baseclock, int rate,
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FM_TIMERHANDLER TimerHandler,FM_IRQHANDLER IRQHandler,
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UINT8 *IsVGMInit, int Options);
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void ym2612_shutdown(void *chip);
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void ym2612_reset_chip(void *chip);
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void ym2612_update_one(void *chip, FMSAMPLE **buffer, int length);
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int ym2612_write(void *chip, int a,unsigned char v);
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unsigned char ym2612_read(void *chip,int a);
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int ym2612_timer_over(void *chip, int c );
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void ym2612_postload(void *chip);
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void ym2612_set_mutemask(void *chip, UINT32 MuteMask);
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#endif /* (BUILD_YM2612||BUILD_YM3438) */
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