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“Hello, world” from scratch on a 6502 — Part 1

Ben Eater · tutorial · Watch on YouTube

Electronics & circuit designComputer architecture & CPUsEmbedded systems & DIY electronics

What it is

Ben Eater starts a series building a working computer on breadboards around the 6502 microprocessor. In this first part he gets a 'hello world' running from scratch.

Why Hacker News recommends it

HN repeatedly recommends it as the best hands-on way to understand how a CPU and a computer work from first principles.

  • 11 people recommended it
  • 11 different months
  • 6 strong recommendations
  • first 2019, last 2026

What HN commenters said

  1. “The (awesome) youtube electronics teacher Ben Eater has just started a series of videos building a 6502 based computer on a breadboard”

    Series building a 6502 computer on a breadboard.

    showerst, 2019-10 · Strong recommendation · in “The Story of the Team Behind the 6502”

  2. “Here is an amazing video on how to build a computer based on 6502 on a breadboard”

    Build a 6502 computer on a breadboard and program it in binary.

    cadence-, 2019-12 · Strong recommendation · in “Chuck Peddle Dies at 82; His $25 Chip Helped Start the PC Age”

  3. “It is highly recommended if you want to dive down into computers and digital logic on first principles.”

    Hands-on learning of computers from first principles.

    halotrope, 2020-04 · Strong recommendation · in “Clocking a 6502 simulator to 15GHz”

  4. “would strongly recommend to build it”

    Follow along and build the computer yourself.

    throwaway47292, 2021-11 · Strong recommendation · in “Ask HN: Skill you want to learn in 2022?”

  5. “I HIGHLY recommend Ben Eater's videos on the subject”

    Explains loops, branches and hardware communication on a 6502.

    Night_Thastus, 2022-05 · Strong recommendation · in “Easy 6502”

  6. “you'll definitely enjoy what he does”

    Ben Eater's video on building with the 6502.

    fapjacks, 2019-09 · Recommendation · in “SNES Cartridges and Enhancement Chips”

  7. “For anyone itching for more Ben Eater”

    Ben Eater turns a 6502-type processor into a usable computer.

    jedimastert, 2019-12 · Recommendation · in “Build an 8-bit computer from scratch”

  8. “that you might find interesting”

    Hello world from scratch on a 6502.

    jgwil2, 2022-10 · Recommendation · in “CMSC 430: Design and Implementation of Programming Languages”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: 6502, breadboard computer, digital electronics, assembly, ben eater

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