source: buchla-68k/orig/DOC/EVDEFS.TXT

Event types  (number in comment field is event size)
-----------

EV_NULL         0       /* 1 - null event */
EV_SCORE        1       /* 1 - score begin */
EV_SBGN         2       /* 2 - section begin */
EV_SEND         3       /* 2 - section end */
EV_INST         4       /* 2 - instrument change */
EV_NBEG         5       /* 1 - note begin */
EV_NEND         6       /* 1 - note end */
EV_STOP         7       /* 1 - stop */
EV_INTP         8       /* 2 - interpolate */
EV_TMPO         9       /* 2 - tempo */
EV_TUNE         10      /* 2 - tuning */
EV_GRP          11      /* 2 - group status */
EV_LOCN         12      /* 2 - location */
EV_DYN          13      /* 2 - dynamics */
EV_ANVL         14      /* 2 - analog value */
EV_ANRS         15      /* 2 - analog resolution */
EV_ASGN         16      /* 2 - I/O assign */
EV_TRNS         17      /* 3 - transposition */
EV_REPT         18      /* 1 - repeat */
EV_PNCH         19      /* 1 - punch in/out */
EV_PRES         20      /* 1 - polyphonic pressure */
EV_FINI         21      /* 1 - score end */
EV_CPRS         22      /* 1 - channel pressure */
EV_BAR          23      /* 1 - bar marker */

N_ETYPES        24      /* number of event types (1 + last type code) */

Event header types
------------------

EH_INST         0       /* instrument change */
EH_GRP          1       /* group status */
EH_LOCN         2       /* location */
EH_DYN          3       /* dynamics */
EH_ANRS         4       /* analog resolution */
EH_TRNS         5       /* transposition */
EH_INTP         6       /* interpolate */
EH_TMPO         7       /* tempo */
EH_TUNE         8       /* tuning */
EH_ASGN         9       /* I/O assign */
EH_SBGN         10      /* section begin */
EH_SEND         11      /* section end */

N_TYPES         12      /* number of event header types */