# Bandersnatch: an annotated ZX Spectrum code disassembly

> Bandersnatch annotates a disassembly of ZX Spectrum code featured in Black Mirror: Bandersnatch. The repository contains compressed and decompressed assembly files, a checksum helper and a run script. The source can be assembled with z80asm and run in a ZX Spectrum emulator.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/nwoeanhinnogaehr/bandersnatch>
- Primary source: <https://github.com/nwoeanhinnogaehr/bandersnatch/blob/632974c9645ceb03e6c07cb58b118e6802e5d87e/README.md>
- Catalog page: <https://awesomerea.org/resources/bandersnatch-zx-spectrum-case/>
- Record JSON: <https://awesomerea.org/resources/bandersnatch-zx-spectrum-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/bandersnatch-zx-spectrum-case/index.md)

## Requirements & limits

- **Prerequisites:** z80asm is required to assemble the source; Fuse is the recommended emulator.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/nwoeanhinnogaehr/bandersnatch/blob/632974c9645ceb03e6c07cb58b118e6802e5d87e/README.md>

## More in Games

- [Banjo-Kazooie: rebuilding the game from base ROMs](https://awesomerea.org/resources/banjo-kazooie-rebuild-case/index.md) · Case study
- [Batla 3D server emulator (2015 client)](https://awesomerea.org/resources/batla-3d-server-emulator-case/index.md) · Case study
- [Battlefield Heroes: master-server protocol reconstruction](https://awesomerea.org/resources/bfh-master-protocol-case/index.md) · Case study
- [battlepod: reconstructing the BattleTech arcade cockpit](https://awesomerea.org/resources/battlepod-case/index.md) · Case study
- [Battlezone: a SkoolKit disassembly of the ZX Spectrum game](https://awesomerea.org/resources/battlezone-spectrum-disassembly-case/index.md) · Case study
- [Betrock++: reimplementing the Minecraft Beta 1.7.x server](https://awesomerea.org/resources/betrockplusplus-case/index.md) · Case study

## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.
