
eZ8
™
CPU Core
User Manual
UM012820-0810 LDEI Instruction
176
LDEI
Definition
Load External Data to/from Data Memory and Auto-Increment
Addresses.
Syntax
LDEI dst, src
Operation
dst
src
r
r + 1
rr
rr + 1
Description
This instruction performs block transfers of data between Data Memory
and the Register File. The address of the Data Memory location is speci
-
fied by a Working Register Pair and the address of the Register File loca-
tion is specified by a working register. The contents of the source location
are loaded into the destination location. Both addresses in the Working
Registers increment automatically. The contents of the source are unaf
-
fected.
Flags
C Unaffected
Z Unaffected
S Unaffected
V Unaffected
D Unaffected
H Unaffected
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