beautypg.com

Ld rr, mmn, Operation, Description – Zilog EZ80F916 User Manual

Page 239: Condition bits affected, Attributes

background image

eZ80

®

CPU

User Manual

UM007715-0415

CPU Instruction Set

230

LD rr, Mmn

Load Register

Operation

rr

Mmn

Description

The rr operand is any of the multibyte CPU registers BC, DE, or HL. The immediate

operand, Mmn, is written to the multibyte rr register.

Condition Bits Affected

None.

Attributes

kk

identifies the BC, DE, HL, or SPI register and is assembled into one of the opcodes

indicated in

Table 71

.

Mnemonic Operand

ADL Mode Cycle

Opcode (hex)

LD

ss

,mn

0

3

kk, nn, mm

LD

ss

,Mmn

1

4

kk, nn, mm, MM

LD.LIL

ss

,Mmn

0

5

5B, kk, nn, mm, MM

LD.SIS

ss

,mn

1

4

40, kk, nn, mm

Table 71. Register and kk Opcodes for LD rr, Mmn Instruction (hex)

Register kk

BC

01

DE

11

HL

21

This manual is related to the following products: