Interrupt Locations - Xerox 550 Reference Manual

Table 2. Interrupt Locations
Address DIO Address
PSWs
Register
Group
Dec Hex
Function
Inhibit
Group Bit
82 52 Counter 1 count pulse 16
Internal
83 53
Counter 2 count pulse
17
Override
84
54 Counter 3 count pulse 18
85 55 Counter 4 count pulse none 0 19
86 56 Processor faul t 20
87 57 Memory Fault 21
112 70 16
113 71 17
114 72 18
115 73 19
External
116 74 20
Override
117 75 External group 3 EI 3 21
(optional)
118 76 (first 12 levels) 22
119 77 23
120 78 24
121 79
25
122
7A 26
123
7B 27
88 58 Counter 1 zero 22
Counter- 89 59 Counter 2 zero
CI 0 23
Equals-Zero 90 5A Counter 3 zero
24
91 5B Counter 4 zero 25
92 5C Input/Output 26
I/O
93 5D Contro
I
pane
I
27
94 5E Reserved II
0
28
95 5F Reserved
29
External
96 60
16
Group 2
Externa
I
group 2 EI 2
(optional)
(first 12 levels)
107 6B
27
External
128
80
16
Group 4
External group 4
EI
4
(optional)
(first 12 levels)
139 8B
27
I
I
I
External
I
144
90
I
16
Externa
I
group 5 EI 5
Group 5
I
I
(first 12 levels)
I
(optional)
!
155 9B
I
27
Centra I i zed Interrupts
33