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#ifndef MYON_FMDRIVER_H_INCLUDED
#define MYON_FMDRIVER_H_INCLUDED
#include <stdint.h>
#include <stdbool.h>
#include "ppz8.h"
enum {
FMDRIVER_TRACK_FM_1,
FMDRIVER_TRACK_FM_2,
FMDRIVER_TRACK_FM_3,
FMDRIVER_TRACK_FM_3_EX_1,
FMDRIVER_TRACK_FM_3_EX_2,
FMDRIVER_TRACK_FM_3_EX_3,
FMDRIVER_TRACK_FM_4,
FMDRIVER_TRACK_FM_5,
FMDRIVER_TRACK_FM_6,
FMDRIVER_TRACK_SSG_1,
FMDRIVER_TRACK_SSG_2,
FMDRIVER_TRACK_SSG_3,
FMDRIVER_TRACK_ADPCM,
FMDRIVER_TRACK_NUM
};
enum {
// 1 line = 80 characters, may contain half-width doublebyte characters
FMDRIVER_TITLE_BUFLEN = 80*2+1,
};
enum fmdriver_track_type {
FMDRIVER_TRACKTYPE_FM,
FMDRIVER_TRACKTYPE_SSG,
FMDRIVER_TRACKTYPE_ADPCM,
FMDRIVER_TRACKTYPE_CNT,
};
enum fmdriver_track_info {
FMDRIVER_TRACK_INFO_NORMAL,
FMDRIVER_TRACK_INFO_SSG,
FMDRIVER_TRACK_INFO_FM3EX,
FMDRIVER_TRACK_INFO_PPZ8,
FMDRIVER_TRACK_INFO_PDZF,
FMDRIVER_TRACK_INFO_SSGEFF,
};
struct fmdriver_track_status {
bool playing;
enum fmdriver_track_info info;
uint8_t ticks;
uint8_t ticks_left;
uint8_t key;
// key after pitchbend, LFO, etc. applied
uint8_t actual_key;
uint8_t tonenum;
uint8_t volume;
uint8_t gate;
int8_t detune;
char status[9];
bool fmslotmask[4];
// for FMP, ppz8 channel+1 or 0
// use for track mask or display
uint8_t ppz8_ch;
bool ssg_tone;
bool ssg_noise;
};
struct fmdriver_work {
// set by driver, called by opna
void (*driver_opna_interrupt)(struct fmdriver_work *work);
void (*driver_deinit)(struct fmdriver_work *work);
// driver internal
void *driver;
// set by opna, called by driver in the interrupt functions
unsigned (*opna_readreg)(struct fmdriver_work *work, unsigned addr);
void (*opna_writereg)(struct fmdriver_work *work, unsigned addr, unsigned data);
uint8_t (*opna_status)(struct fmdriver_work *work, bool a1);
void *opna;
const struct ppz8_functbl *ppz8_functbl;
struct ppz8 *ppz8;
// CP932 encoded
//const char *title;
char comment[3][FMDRIVER_TITLE_BUFLEN];
// only single-byte uppercase cp932
char filename[FMDRIVER_TITLE_BUFLEN];
// driver status (for display)
uint8_t ssg_noise_freq;
struct fmdriver_track_status track_status[FMDRIVER_TRACK_NUM];
// fm3ex part map
};
#endif // MYON_FMDRIVER_H_INCLUDED
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