
eZ8
™
CPU Core
User Manual
UM012820-0810 EI Instruction
145
Sample Usage
If IRQCTL (Interrupt Control register FCFh) contains the value 00h
(
00000000b), interrupts are globally disabled. Upon execution of the EI
command, the following statement the IRQCTL (Interrupt Control regis
-
ter FCFh) contains the value 80h (10000000b) and globally enable inter-
rupts.
EI
Object Code: 9Fh
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