3.4.6
Register indirect addressing
[Function]
Register pair contents specified by a register pair specify code in an instruction word and by a register bank
select flag (RBS0 and RBS1) serve as an operand address for addressing the memory. This addressing can be
carried out for all the memory spaces.
[Operand format]
Identifier
[Description example]
MOV A, [DE]; when selecting [DE] as register pair
[Illustration]
16
DE
The contents of the memory
addressed are transferred.
7
A
92
CHAPTER 3 CPU ARCHITECTURE
−
[DE], [HL]
Operation code
8
7
D
7
0
User's Manual U15947EJ2V0UD
Description
1
0
0
0
0
1
0
1
0
E
*
Memory
0
The memory address
specified with the
register pair DE