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4 3 2 1
Ending
Execution
Instruction
EXTINT
Pending
Set
Interrupt
Response
Time
5.4.2.2
PTS Interrupt Latency
The maximum delay for a PTS interrupt is 43 state times (4 + 39) as shown in Figure 5-5. This
delay time does not include the added delay if a protected instruction is being executed or if a PTS
request is already in progress. See Table 5-4 for execution times for PTS cycles.
Execution
EXTINT
Pending
Interrupt
Response Time
39
End
"NORML"
"NORML"
56 State Times
Figure 5-4. Standard Interrupt Response Time
4
3
2
1
39
Ending
"NORML"
Instruction
Set
Latency Time
43 State Times
Figure 5-5. PTS Interrupt Response Time
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STANDARD AND PTS INTERRUPTS
11
2
Call is
If Stack
"PUSHA"
Forced
External
Cleared
End
Vector to PTS
"NORML"
Control Block
PTS Interrupt Routine
Cleared
12
6
If Stack
External
Interrupt Routine
A0136-02
PTS
PTS
A0142-01
5-11
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