Electronic Design

RISC-V: The Instruction-Set Alternative

First and foremost, RISC-V is a modular, open-source, instruction set definition and nothing more. RISC-V as an ecosystem is much more. The instruction set provides the encoding and semantics, but it ...
EDN

A short primer on instruction set architecture

In computer science, an instruction set architecture (ISA) is an abstract model of a computer. It’s also referred to as architecture or computer architecture. Moreover, a central processing unit (CPU) ...
Electronic Design

Contemplating Custom Instructions for RISC-V

This article appeared in Microwaves & RF and has been published here with permission. Check out our DAC 2023 coverage. This article is also part of the TechXchange: RISC-V: The Instruction Set ...
Semiconductor Engineering

Instruction Set Architecture (ISA)

An instruction set architecture (ISA) defines the set of basic operations a computer must support. This includes the functional definition of operations and precise descriptions of how to invoke and ...
EDN

Building a 4-Bit Computer: The Instruction Set

The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...