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Gearcoleco Git (2026/05/05) is a highly accurate cross-platform ColecoVision emulator written in C++. It’s open-source and supports multiple platforms, including Windows, macOS, Linux, and Raspberry Pi. The emulator features an accurate Z80 core, TMS9918 emulation, and sound functionality via SDL Audio. It includes save states, compressed ROM support, and a comprehensive debugger with various tools for code navigation and memory inspection. Gearcoleco also supports modern game controllers, and a portable mode is available for Windows and Linux. Recent updates include workflow improvements and native file dialog focus restoration. Download from the provided source.
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Gearcoleco Git (2026/05/05) has been compiled. Gearcoleco is an exceptionally accurate cross-platform ColecoVision emulator developed in C++ that operates on Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. This project is open source and its continuous development is made possible by the generous support of the remarkable backers.
Features:
Highly accurate Z80 core that includes undocumented opcodes and behaviors such as R and MEMPTR registers.
Precise TMS9918 emulation.
Sound emulation powered by SDL Audio and Sms_Snd_Emu library.
Save states functionality.
Support for compressed ROMs (ZIP).
Supported platforms (standalone): Windows, Linux, BSD, macOS, and Raspberry Pi.
Supported platforms (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 featuring just-in-time disassembler, CPU breakpoints, memory access breakpoints, code navigation (goto address, JP JR, and CALL double-clicking), debug symbols, memory editor, IO inspector, and VRAM viewer including registers, 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.
Compatible with modern game controllers via a gamecontrollerdb.txt file located in the same directory as the application binary.
Gearcoleco changelog:
* Updated publish workflow to mcp registry
* Restored focus after native file dialogs
