ems-flasher
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Description:
Software for flashing the EMS Gameboy USB cart
Type: Formula  |  Latest Version: 0.03@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: gameboy retro-gaming hardware usb flasher
Install: brew install ems-flasher
About:
ems-flasher is a command-line utility designed to interface with the EMS Gameboy USB cartridge, enabling users to write ROMs directly to the cart's flash memory. It provides a reliable method for backing up existing game saves and restoring them, which is essential for preserving game progress. The tool serves as a critical utility for retro gaming enthusiasts who rely on this specific hardware for playing Gameboy titles on original hardware.
Key Features:
  • Direct ROM flashing to EMS USB cartridge
  • Save game backup and restoration functionality
  • Command-line interface for scripting and automation
  • Low-level USB access via libusb
Use Cases:
  • Flashing Gameboy ROMs to a physical cartridge for gameplay
  • Backing up save files from original game cartridges
  • Restoring previously backed up save data
Alternatives:
  • gbbackup – A generic tool for backing up Gameboy saves, but lacks specific EMS flashing capabilities.
  • VisualBoyAdvance – An emulator that runs ROMs on a PC, whereas ems-flasher writes them to physical hardware.
License: MIT
Dependencies: libusb
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 13, 2025 1:54pm 0 VERSION_BUMP 534ff420
Nov 19, 2024 12:37am 0 VERSION_BUMP 50885b65
Sep 13, 2024 1:56am 0 VERSION_BUMP 65126860