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# Description
0
Output buffer has become empty
1
Input buffer has become full
2
Character placed in input buffer
3
ADC conversion ended in BBC I/O expansion card
4
VSync Event
5
Interval timer has crossed zero
6
Escape condition has been detected
7
Serial RS423 error has been detected
8
Econet user remote procedure called
9
User has generated an event
10
Mouse transition
11
Key transition
12
Sound system reached start of a bar
13 PC Emulator event
14
Econet receive complete
15
Econet transmit complete
16
Econet OS remote procedure called
17
MIDI system event
18 Reserved for external developers
19
Internet event
20 Reserved for external developers
21
Expansion event
22
Device overrun event
23 Reserved for external developers
24 Driver received frame for Internet (DCI 2 only)
25 Driver completed Internet transmission request (DCI 2 only)
28
Portable Battery Management Unit event
29 Reserved for external developers
30 Unallocated
31 Unallocated
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