upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 56

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

3.4.6 Register indirect addressing
56
[Function]
[Operand format]
[Description example]
[Illustration]
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 of the memory spaces.
MOV A, [DE]; when selecting [DE] as register pair
The contents of the memory
addressed are transferred.
DE
A
16
7
Identifier
D
[DE], [HL]
Operation code
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 3 CPU ARCHITECTURE
8
0
7
7
1
Description
Memory
0
E
0
0
0
1
0
0
0
1
The memory address
specified with the
register pair DE