Motorola MVME172 - Manual (Page 162)

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Local Bus Interrupter Enable Register (bits 8-15)
This is the local bus interrupter enable register. When an enable bit is high,
the corresponding interrupt is enabled. When an enable bit is low, the
corresponding interrupt is disabled. The enable bit does not clear
edge-sensitive interrupts or prevent the flip flop from being set. If
necessary, edge-sensitive interrupters should be cleared to remove any old
interrupts and then enabled.
ESW0 Enable software 0 interrupt.
ESW1 Enable software 1 interrupt.
ESW2 Enable software 2 interrupt.
ESW3 Enable software 3 interrupt.
ESW4 Enable software 4 interrupt.
ESW5 Enable software 5 interrupt.
ESW6 Enable software 6 interrupt.
ESW7 Enable software 7 interrupt.
ADR/SIZ $FFF4006C (8 bits of 32)
BIT 15 14 13 12 11 10 9 8
NAME ESW7 ESW6 ESW5 ESW4 ESW3 ESW2 ESW1 ESW0
OPER R/W R/W R/W R/W R/W R/W R/W R/W
RESET 0 PSL 0 PSL 0 PSL 0 PSL 0 PSL 0 PSL 0 PSL 0 PSL