UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 71

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

3.4.6 Based addressing
3.4.7 Stack addressing
[Function]
[Operand format]
[Description example]
[Function]
[Description example]
8-bit immediate data is added to the contents of the base register, that is, the HL register pair, and the sum is
used to address the memory. Addition is performed by expanding the offset data as a positive number to 16
bits. A carry from the 16th bit is ignored. This addressing can be carried out for all the memory spaces.
MOV A, [HL+10H]; When setting byte to 10H
The stack area is indirectly addressed with the stack pointer (SP) contents.
This addressing method is automatically employed when the PUSH, POP, subroutine call, and return
instructions are executed or the register is saved/restored upon generation of an interrupt request.
Stack addressing can only be used to access the internal high-speed RAM area.
In the case of PUSH DE
Identifier
[HL+byte]
Instruction code
Instruction code
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U13952EJ3V1UD
Description
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