Nios® II Processor Reference Guide

ID 683836
Date 10/22/2020
Public
Document Table of Contents

8.5.74. ori

Instruction bitwise logical or immediate
Operation

rB ←  rA | (0x0000 : IMM16)

Assembler Syntax

ori rB, rA, IMM16

Example

ori r6, r7, 100

Description

Calculates the bitwise logical 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 0x14

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