#define d define
#d Type typedef struct
#d MIDI_MAX_CHANS      16      /* maximum midi channels */

/* masks */
#d M_CMD       0x80            /* midi command bit mask */
#d M_CMD_MASK  0xF0            /* midi command mask */
#d M_CHAN_MASK 0x0F            /* midi channel mask */
#d M_VAL_MASK  0x7F            /* midi value mask */

/* command ids */
/* CH_... channel commands */
#d CH_KEY_OFF  0x80            /* channel key off */
#d CH_KEY_ON   0x90            /* channel key on */
#d CH_POLY_KPRS        0xA0            /* polyphonic key pressure */
#d CH_CTL      0xB0            /* channel control */
#d CH_PRG      0xC0            /* channel program change */
#d CH_PRESSURE 0xD0            /* channel pressure */
#d CH_P_BEND   0xE0            /* channel pitch bend */

/* SX_... system exclusive commands */
#d SX_CMD      0xF0            /* system exclusive command */
#d SX_EOB      0xF7            /* system exclusive end of block */

/* SC_... system common commands */
#d SC_MSEL     0xF2            /* system common measure select */
#d SC_SSEL     0xF3            /* system common song select */
#d SC_TSEL     0xF6            /* system common tune request */

/* RT_... realtime commands */
#d RT_TCIP     0xF8            /* timing clock in play */
#d RT_TCWME    0xF9            /* timing clock w/ meas. end */
#d RT_SA1M     0xFA            /* start at first measure */
#d RT_CONT     0xFB            /* continue start */
#d RT_TCIS     0xFC            /* timing clock in stop */
#d RT_CTOH     0xFD            /* timing clock to host */
#d RT_RESET    0xFF            /* system reset */

/* default for reading/writing under regular UNIX */
#d MIDI_DEV    "/dev/ttya"
extern midi_out();
extern unsigned char midi_in(), *midi_cmd_in();

/* template for all midi parametric data */
/* note: watch out for synth. parameters that exceed u_char range! */
Type midi_par {
       unsigned char par_index;/* index in hardware table */
       unsigned char par_val;  /* current value */
       unsigned char par_ub;   /* upper boundary */
       char *par_name;         /* name */
} MidiPar;

/* same as above, but for parameters requiring u_short storage */
Type midi_spar {
       unsigned short par_index;/* index in hardware table */
       unsigned short par_val;  /* current value */
       unsigned short par_ub;   /* upper boundary */
       char *par_name;          /* name */
} MidiSpar;

#d TRW_SEL_TTY 1
#d TRW_SEL_RFD 2
#d TRW_SEL_WFD 3
#undef d