Zilog Z8F0130 User Manual

Page 160

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background image

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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