Fujitsu FR Family Instruction Manual page 76

CHAPTER 4 RESET AND "EIT" PROCESSING
■ Priority of Multiple Processes
When the acceptance of an "EIT" source results in the masking of other sources, the priority of execution of
simultaneously occurring "EIT" handlers is as shown in Table 4.6-2.
Table 4.6-2 Priority of Execution of "EIT" Handlers
Priority
1
2
3
4
5
6
7
8
*: When "INTE" instructions are run stepwise, only the step trace "EIT" is generated.
Sources related to the "INTE" instruction will be ignored.
52
Source
Reset
Undefined instruction exception
Step trace trap
INTE instruction
NMI
INT instruction
User interrupt
Coprocessor not found trap
Coprocessor error trap
Masking of other sources
Other sources discarded
Other sources disabled
ILM = 4 *
ILM = 4 *
ILM = 15
I flag = 0
ILM = level of source accepted
None