Description:
Sega Master System, Game Gear and SG-1000 emulator
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Type: Cask
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Latest Version: 3.9.12@0
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Tracked Since: Dec 28, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Multimedia
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Tags:
emulator
retro-gaming
sega
game-gear
master-system
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Install:
brew install --cask gearsystem
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About:
Gearsystem is a highly accurate, multi-platform Sega Master System, Game Gear, and SG-1000 emulator. It provides a robust emulation core that prioritizes correctness and performance, making it suitable for both gaming and development testing. The tool includes advanced features like a disassembler and memory editor for deep system inspection.
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Key Features:
- High-accuracy emulation for Z80 and VDP chips
- Cross-platform support (macOS, Windows, Linux)
- Integrated debugger with disassembler and memory viewer
- Support for Save States and Game Genie/Pro Action Replay cheat codes
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Use Cases:
- Playing classic Sega 8-bit games with high fidelity
- Retro game development and ROM testing
- Analyzing game code and memory through built-in debugging tools
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Alternatives:
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MESS/MAME
– MAME is a broader multi-system emulator, while Gearsystem is a dedicated, lightweight emulator focused specifically on Sega 8-bit systems.
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Emulicious
– Emulicious offers similar high accuracy and debugging features but supports a wider range of systems beyond just Sega 8-bit.
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| Detected |
Version |
Rev |
Change |
Commit |
| Jun 29, 2026 7:34pm |
3.9.12 |
0 |
VERSION_BUMP |
fbf08253 |
| Jun 25, 2026 10:25pm |
3.9.11 |
0 |
VERSION_BUMP |
fa1e2e0e |
| Jun 20, 2026 1:52am |
3.9.10 |
0 |
VERSION_BUMP |
bd9b7d74 |
| May 31, 2026 10:10pm |
3.9.9 |
0 |
VERSION_BUMP |
f8a2a1f3 |
| May 19, 2026 10:22pm |
3.9.8 |
0 |
VERSION_BUMP |
4ad1bb3b |
| May 16, 2026 1:41am |
3.9.7 |
0 |
VERSION_BUMP |
6721a39e |
| Apr 27, 2026 10:06pm |
3.9.6 |
0 |
VERSION_BUMP |
333befba |
| Apr 5, 2026 1:07pm |
3.9.5 |
0 |
VERSION_BUMP |
75823b5d |
| Mar 30, 2026 4:28pm |
3.9.3 |
0 |
VERSION_BUMP |
15689970 |
| Mar 25, 2026 7:09pm |
3.9.2 |
0 |
VERSION_BUMP |
96c89923 |
| Mar 15, 2026 1:07pm |
3.9.1 |
0 |
VERSION_BUMP |
448fefcd |
| Mar 8, 2026 4:29pm |
3.9.0 |
0 |
VERSION_BUMP |
9d4b4488 |
| Aug 27, 2025 4:30pm |
3.8.4 |
0 |
VERSION_BUMP |
a5fa7e95 |
| Aug 10, 2025 7:01pm |
3.8.3 |
0 |
VERSION_BUMP |
6d6e42e2 |
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