ZiLOG Z8 Technical Manual page 64

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.