Nios II Classic Processor Reference Guide

ID 683620
Date 10/28/2016
Public
Document Table of Contents

8.5.98. xori

Instruction bitwise logical exclusive or immediate
Operation

rB ←  rA ^ (0x0000 : IMM16)

Assembler Syntax

xori rB, rA, IMM16

Example

xori r6, r7, 100

Description

Calculates the bitwise logical exclusive OR of rA and (0x0000 : IMM16) and stores the result in rB.

Exceptions

None

Instruction Type

I

Instruction Fields

A = Register index of operand rA

B = Register index of operand rB

IMM16 = 16-bit unsigned immediate value

Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A B IMM16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IMM16 0x1c