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3.4.6 Register indirect addressing
[Function]
The memory is addressed with the contents of the register pair specified as an operand. The register pair to
be accessed is specified with the register bank select flag (RBS0 and RBS1) and the register pair specification code
in the instruction code. This addressing can be carried out for all the memory spaces.
[Operand format]
[Description example]
MOV A, [DE]; when selecting [DE] as register pair
Operation code
[Illustration]
15
DE
The contents of
addressed memory
are transferred
7
A
CHAPTER 3 CPU ARCHITECTURE
Identifier
—
[DE], [HL]
1
0
0
0
0
8
7
D
7
Memory
0
User's Manual U11302EJ4V0UM
Description
1
0
1
0
E
0
Memory address specified
by register pair DE
77
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