Xycom XVME-240 Manual page 45

XVME-240 Manual
October, 1984
Interrupt Input Register could be read to determine if there are any latched interrupts
which are being "masked out". The mask can then be rewritten to allow the masked
interrupts to become pending interrupts. The pending interrupts can now be serviced
by the handler routine in the same fashion as shown above.
Interrupts can be disabled in one of three ways:
By
resetting the system (i.e., the Mask Register will be reset to mask out
1)
all interrupts and the Interrupt Enable Bit will be set to logic "0").
By writing 00H to the Interrupt Mask register.
2)
By writing a "0" to the Interrupt Enable Bit (Bit 3) of the Status/Control
3)
register.
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