# Install ems-flasher with Homebrew

Software for flashing the EMS Gameboy USB cart. Version 0.03 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:ems-flasher
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install ems-flasher
```

  Evidence: local Homebrew formula metadata

## Package facts

- **Package key:** brew:ems-flasher
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/ems-flasher>
- **Version:** 0.03
- **Source summary:** Software for flashing the EMS Gameboy USB cart
- **Homepage:** <https://lacklustre.net/projects/ems-flasher/>
- **Repository:** <https://lacklustre.net/gitweb?p=ems-flasher>
- **Upstream docs:** <https://lacklustre.net/projects/ems-flasher>
- **License:** MIT
- **Source archive:** <https://lacklustre.net/projects/ems-flasher/ems-flasher-0.03.tgz>
- **Generated:** 2026-07-10T07:20:53+00:00

## Executables

- ems-flasher (cli)
- ems-flasher (alias)

## Dependencies

- libusb

## Build dependencies

- pkgconf

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-07-10
- Package-manager version: 0.03
- Local data: ok
- Upstream repository: https://lacklustre.net/projects/ems-flasher/
- info: No package-manager update timestamp was available.
- info: Release/tag comparison is only available for GitHub repositories.
## Project history and usage

ems-flasher is a command-line utility for reading and writing the EMS Game Boy USB cartridge from Mac OS X, Linux, and other libusb-capable systems. It exists because the original cartridge software was Windows-only.

### Project history

The official page describes the EMS USB cartridge as useful hardware for Game Boy development and play, then explains the gap: the supplied software only worked on Windows. ems-flasher was created as portable flasher software for Linux, Mac OS X, and similar systems.

The project page shows an old-school workflow: build with make, run the binary directly, browse the gitweb repository, and consult project-hosted documentation and FAQ pages. The homepage was last updated in January 2013, after the small 2011 release series.

### Adoption history

Adoption was niche but concrete. The homepage lists testing on Linux, Mac OS X, OpenBSD, and FreeBSD, and notes that FreeBSD carried it in the ports tree as comms/ems-flasher. Credits mention contributors for Mac build help, SRAM reverse engineering, OpenBSD testing, device detection, and FreeBSD port maintenance.

### How it is used

Users flash ROMs with a write flag, dump ROM or SRAM contents with read mode, select banks, print ROM headers, and increase output with verbose mode. That made it useful for retro development, save backup, and moving homebrew or test ROMs onto real Game Boy-compatible cartridge hardware.

### Why package nerds care

ems-flasher is a classic tiny hardware package: the value is not a big ecosystem, but keeping one specific USB cartridge usable from Unix-like systems. It is exactly the kind of tool package managers preserve for retro-computing and hardware-repair workflows.

### Timeline

- 2011-03-21: Version 0.01 released.
- 2011-03-24: Version 0.02 released.
- 2011-08-25: Version 0.03 released and listed as the latest version.
- 2013-01: Official pages show their last update dates.

### Related projects

- Related areas include the EMS Game Boy USB cartridge, libusb-based hardware access, the FreeBSD comms/ems-flasher port, and Game Boy homebrew or cartridge backup tooling.

### Sources

- <https://lacklustre.net/projects/ems-flasher>
- <https://lacklustre.net/projects/ems-flasher/download.html>


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** ems-flasher
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable


## Related links

- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Game and emulation packages](https://www.automicvault.com/pkg/game-emulation-tools/) - Matched game or emulation metadata.
- [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider.
- [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew.
- [advancescan](https://www.automicvault.com/pkg/brew/advancescan/) - Shares av.db curated category or tags: cli, games.
- [allureofthestars](https://www.automicvault.com/pkg/brew/allureofthestars/) - Shares av.db curated category or tags: cli, games.
- [angband](https://www.automicvault.com/pkg/brew/angband/) - Shares av.db curated category or tags: cli, games.
- [archi-steam-farm](https://www.automicvault.com/pkg/brew/archi-steam-farm/) - Shares av.db curated category or tags: cli, games.
- [arx-libertatis](https://www.automicvault.com/pkg/brew/arx-libertatis/) - Shares av.db curated category or tags: cli, games.
- [asciiquarium](https://www.automicvault.com/pkg/brew/asciiquarium/) - Shares av.db curated category or tags: cli, games.
- [atari800](https://www.automicvault.com/pkg/brew/atari800/) - Shares av.db curated category or tags: cli, games.
- [avanor](https://www.automicvault.com/pkg/brew/avanor/) - Shares av.db curated category or tags: cli, games.
- [mame](https://www.automicvault.com/pkg/brew/mame/) - Local package facts share a topical domain. Shared terms: cli, games, hardware.
- [zboy](https://www.automicvault.com/pkg/brew/zboy/) - Local package facts share a topical domain. Shared terms: cli, gameboy, games.

## Combined YAML source

View the package source record on GitHub. [combined/ems-flasher.yml](https://github.com/automic-vault/db/blob/main/combined/ems-flasher.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- cross-ecosystem install command graph
