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Mov mem, a, Mov mem, xa, Mov a, reg – NEC PD754144 User Manual

Page 258: Mov xa, rp, Mov reg1, a, Mov rp’1, xa

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CHAPTER 11 INSTRUCTION SET

258

User’s Manual U10676EJ3V0UM

MOV mem, A

Function: (mem)

A mem = D

7-0

: 00H to FFH

Transfers the contents of the A register to the data memory addressed by 8-bit immediate data mem.

MOV mem, XA

Function: (mem)

A, (mem+1)

X mem = D

7-0

: 00H to FEH

Transfers the contents of the A register to the data memory addressed by 8-bit immediate data mem and the

contents of the X register to the next memory address.

The address that can be specified by mem is an even address.

MOV A, reg

Function: A

reg

Transfers the contents of register reg (X, A, H, L, D, E, B, or C) to the A register.

MOV XA, rp’

Function: XA

rp’

Transfers the contents of register pair rp’ (XA, HL, DE, BC, XA’, HL’, DE’, or BC’) to register pair XA.

Application example

To transfer the data of register pair XA’ to register pair XA

MOV XA, XA’

MOV reg1, A

Function: reg1

A

Transfers the contents of the A register to register reg1 (X, H, L, D, E, B, or C).

MOV rp’1, XA

Function: rp’1

XA

Transfers the contents of register pair XA to register pair rp’1 (HL, DE, BC, XA’, HL’, DE’, or BC’).

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