18 Apr 2018 This document provides information about the Nios II processor architecture, the programming model, and the instruction set. Running a Program under the NIOS II Instruction Set Simulator. 1. Start the Nios II IDE. (Start->All Programs->Altera->NiosII EDS 6.1-> NiosII. 6.1 IDE. 2. Set the Nios II is a 32-bit embedded-processor architecture designed specifically for the Altera family of Similar to native Nios II instructions, user-defined instructions accept values from up to Based on the Eclipse IDE, the EDS includes a C/C++ compiler (based on the GNU toolchain), debugger, and an instruction-set simulator. 22 Jan 2015 (b) In the Nios II processor, an instruction is always 32 bits (4 bytes) long. other bits are set to the same value as the most significant bit of the.The Nios II processor has a Reduced Instruction Set Computer (RISC) architecture. Its arithmetic and logic operations are performed on operands in the general purpose registers. The data is moved between the memory and these registers by means of Load and Store instructions. implementation. The chapters in this handbook define the Nios II processor architecture, the programming model, the instruction set, and more. This handbook is Basic description of Stratix Altera Devices; NIOS II processor architecture The Nios II architecture describes an instruction set, not a particular hardware 2 Apr 2015 Send Feedback. This section introduces the Nios® II instruction word format and provides a detailed reference of the. Nios II instruction set. The command shell offers a set of commands similar to a Linux or Unix shell. Type ls The Nios II processor is a soft processor, i.e., it is a processor implemented in the HINT: read the description of the ldw instruction in the Nios II Instruction Set