machine. If multiple external interrupt conditions are simultaneously
indicated by values presented in the block, code exists for handling the
their defined hierarchical order. The
8
Hexadecimal
tisplacement
------------
8
A
C
1H
1H
1H
1H
1F
Field Description, Contents, Meaning
Address of next external interruFt block
Left half of interrupt collating key
Right half of interrupt collating key
External interrupt code
Control register
External interrupt parameter word