ZiLOG Z8 Technical Manual

LDE
Load External Data
lDE dst,src
Instruction Format:
Cycles
OPC
(Hex)
Address Mode
dst src
~ _______ O_P_C ______ -JI I~ ___ d_s_t __ -L ___ s_r_c __ ~
12 82
r
Irr
~ _______ O_P_C _____ -JI L.1 ___ s_r_c __ -L ___ d_s_t __ -,
12 92
Irr
r
Operation:
Flags:
EXBlRple:
5-30
dst <-- src
This instruction is used to load a byte from external data memory into a working
register or vice-versa. The address of the external data-memory location is
specified by a working-register pair. The contents of the source are not affected.
No flags affected
If the working-register pair 6-7 contains %404A and working register 2 contains %22,
the statement
LDE ORR6,R2
loads the value %22 into external data-memory location %404A.

ZiLOG Z8 Specifications

General

Brand	ZiLOG
Model	Z8
Category	Desktop
Language	English