RCA Spectra 70 - B - Program Interrupts

APPENDIX B
LIST OF PROGRAM
INTERRUPTS
Priority
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
State
Condition
Initiated
Power Failure
4
Machine
Check
4
External Signal 1
3
External Signal 2
3
External Signal 3
3
External Signal 4
3
External Signal 5
3
External Signal 6
3
Interval Timer
3
Selector 1
Terminate
3
Selector 2
Terminate
3
Selector 3
Terminate
70/46
3
Not Specified
3
Not Specified
3
Not Specified
3
Multiplexor
Terminate
3
Elapsed Time
Clock
3
Console Request
3
Paging Error
3
Paging Queue
3
Supervisor Call 3
Privileged
Operation 3
Op-Code Trap
3
Address Error
3
Data Error
3
237
Explanation
Timing (If Interrupt Taken)
70/46
Power failure in pro-
cessor
or memory.
11.64
Parity error or equip-
fl.64
ment malfunction.
11.64
Signal received on
11.64
one of the six ex-
11.64
ternal lines asso-
ciated
with the di-
11.64
rect-control
feature.
11.64
11.64
Lapse of Interval Timer.
14.64
18.86
+ CRT
18.86 + CRT
A device on the asso-
ciated selector or
18.86 + CRT
multiplexor channel
has terminated.
25.90 + CRT
Elapsed time count has
expired.
13.08
Manual request for
interrupt by the oper-
13.08
ator.
Improper use of
Virtual Memory.
15.60
Translation Table
Interrupt.
15.60
Result of execution of
Supervisor Call in-
13.08
struction to utilize pro-
grammed routines.
Privileged instruction
attempted in non-
13.08
privileged mode.
Op Code attempted
which is invalid for
13.08
this model.
Invalid address, speci-
fication,
or memory
13.08
protect violation.
Sign of operand incor-
rect in decimal
arithmetic and editing,
13.08
or incorrect field over-
lap.