Analog Devices ADSP-BF53x Blackfin Reference page 203

Program Sequencer
/* Using jump table EVTABLE, jump to the event pointed to by R0
*/
P0 = R0 ;
P1 = _EVTABLE ;
P0 = P1 + ( P0 << 1 ) ;
R0 = W [ P0 ] (Z) ;
P1 = R0 ;
JUMP (PC + P1) ;
/* The entry point for an event is as follows. Here, processing
is deferred to low priority interrupt IVG15. Also, parameter
passing would typically be done here. */
_EVENT1:
RAISE 15 ;
JUMP.S _EXIT ;
/* Entry for event at IVG14 */
_EVENT2:
RAISE 14 ;
JUMP.S _EXIT ;
/* Comments for other events */
/* At the end of handler, restore R0, P0, P1 and ASTAT, and
return. */
_EXIT:
ASTAT = [SP++] ;
P1 = [SP++] ;
P0 = [SP++] ;
R0 = [SP++] ;
RTX ;
_EVTABLE:
.byte2 addr_event1;
.byte2 addr_event2;
...
.byte2 addr_eventN;
ADSP-BF53x/BF56x Blackfin Processor Programming Reference 4-69