BUFFER_OUTPUTEMPTY    0
BUFFER_INPUTFULL      1
BUFFER_ENTERING       2
ADCENDED              3
VSYNC                 4
INTERVAL              5
ESCAPE                6
SERIAL_ERROR          7
ECONET_USERRPC        8
USER                  9
TRANSITION_MOUSE      10
TRANSITION_KEY        11
SOUND_STARTBAR        12
PCEMULATOR            13
ECONET_RECEIVE        14
ECONET_TRANSMIT       15
ECONET_OSRPC          16
MIDI                  17
INTERNET_EVENT        19
DEVICE_OVERRUN        22
INTERNET_FRAME        24
INTERNET_TRANSMITTED  25
BMU_EVENT             28
