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Gearcoleco v1.6.0 is an accurate, open-source ColecoVision emulator written in C++, supporting various platforms like Windows, macOS, Linux, and RetroArch. Key features include a precise Z80 core with undocumented opcodes, TMS9918 emulation, sound support using SDL Audio, and save states with compressed ROM support. The updated version also offers a full debugger, modern game controller compatibility, and Portable Mode for Windows and Linux. Notable changes include SDL3 and OGL3 migration, improved audio latency, a redesigned debugger, rewind support, and extensive bug fixes. The emulator is continually developed thanks to community backing. Download is available now.
Gearcoleco v1.6.0 has been released. Gearcoleco is a highly accurate cross-platform emulation of the ColecoVision written in C++ that operates on Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. This project is open-source and continues to thrive thanks to the generous backing of its supporters.
Features:
Precise Z80 core implementation, which includes undocumented opcodes and behaviors such as R and MEMPTR registers.
Accurate TMS9918 emulation.
Sound emulation leveraging SDL Audio and the Sms_Snd_Emu library.
Supports save states.
Compressed ROM support (ZIP).
Platforms supported (standalone): Windows, Linux, BSD, macOS, and Raspberry Pi.
Platforms supported (libretro): Windows, Linux, macOS, Raspberry Pi, Android, iOS, tvOS, PlayStation Vita, PlayStation 3, Nintendo 3DS, Nintendo GameCube, Nintendo Wii, Nintendo WiiU, Nintendo Switch, Emscripten, Classic Mini systems (NES, SNES, C64, …), OpenDingux, RetroFW, and QNX.
Comprehensive debugger with just-in-time disassembler, CPU breakpoints, memory access breakpoints, code navigation (goto address, JP JR and CALL double clicking), debug symbols, memory editor, I/O inspector, and VRAM viewer featuring registries, tiles, sprites, and backgrounds.
Portable mode for Windows and Linux by creating a file named portable.ini in the same directory as the application binary.
Compatibility with modern game controllers through a gamecontrollerdb.txt file located in the same directory as the application binary.
Gearcoleco changelog:
💾 Desktop application migrated to SDL3 + OGL3
🧠 MCP server + SKILL with an optional headless mode for AI-assisted debugging and hacking
⏪ Rewind support added
⚙️ Redesigned debugger with enhanced features and windows
🔈 Improved audio latency with customizable settings
🖼️ Enhanced fullscreen mode
🗒️ New option to revert to default settings
🖥️ Vsync support for 120/240 Hz displays
🍺 Homebrew tap provided for macOS
📦 Ubuntu PPA repository
📦 Fedora RPM repository
🎮 Updated game controller database
🐛 Numerous bug fixes and new features
