---
title: "#opcode articles | Hashnode"
description: "Explore 3 articles tagged #opcode on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/opcode"
---

Tag

# #opcode

3 posts · 0 followers

[Sagun](https://hashnode.com/@sagun-labs) · [Aug 16](https://hashnode.com/posts/instruction-format/6a8150d57a31f860fc42e2a1)

### [Instruction Format](https://sagunwrites.hashnode.dev/instruction-format?utm_source=hashnode&utm_medium=feed)

Learn instruction format, opcode, address and register fields, addressing modes, and zero-, one-, two-, and three-address instructions

7 min read · [sagunwrites.hashnode.dev](https://sagunwrites.hashnode.dev/instruction-format?utm_source=hashnode&utm_medium=feed)

[Sagun](https://hashnode.com/@sagun-labs) · [Aug 16](https://hashnode.com/posts/what-is-an-instruction/6a81081c16e44efcd2d4321c)

### [What Is an Instruction?](https://sagunwrites.hashnode.dev/what-is-an-instruction?utm_source=hashnode&utm_medium=feed)

Learn what CPU instructions are, including opcodes, operands, machine instructions, and the fetch-decode-execute cycle.

5 min read · [sagunwrites.hashnode.dev](https://sagunwrites.hashnode.dev/what-is-an-instruction?utm_source=hashnode&utm_medium=feed)

[Cryptape](https://hashnode.com/@cryptape) · [Mar 28, 2025](https://hashnode.com/posts/satoshi-scoop-weekly-28-mar-2025/67e5fd4bc43eff754432a6e3)

### [Satoshi Scoop Weekly, 28 Mar 2025](https://blog.cryptape.com/satoshi-scoop-weekly-28-mar-2025?utm_source=hashnode&utm_medium=feed)

🍨 Your weekly byte of the latest updates from the Bitcoin ecosystem!

7 min read · [blog.cryptape.com](https://blog.cryptape.com/satoshi-scoop-weekly-28-mar-2025?utm_source=hashnode&utm_medium=feed)