Zilog Z8F0130 User Manual
Page 169

eZ8
™
CPU Core
User Manual
UM012820-0810
IRET Instruction
154
Attributes
Sample Usage
If Stack Pointer High register,
FFEh
, contains the value
EFh
, Stack
Pointer Low register
FFFh
contains the value
45h
, Register
45h
contains
the value
00h
, Register
46h
contains
6Fh
, and Register
47h
contains
E4h
, the following statement restores the Flags Register
FCh
with the
value
00h
, restores the PC with the value
6FE4h
, re-enables the inter-
rupts, and sets the Stack Pointer Low to the value
48h
. The Stack Pointer
High register remains unchanged with the value
EFh
. The next instruction
to be executed is at
6FE4h
.
IRET
Object Code: BF
Mnemonic
Destination,
Source
Op
Code
(Hex)
Operand 1 Operand 2 Operand 3
IRET
—
BF
—
—
—
This manual is related to the following products:
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