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Chapter 6 EIT: Exceptions, Interrupts and Traps
7.Multiple EIT Processing
Figure 7-1 Multiple EITs Process
Priority
(High) Generation of NMI
(Middle) Execution of INT instruction
INT instruction
handler
(2) Second execution
Main routine
NMI handler
(1) First execution
(3) Third execution
(Low) Execution of user interrupt
User interrupt
handler