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Gearcoleco Git (2026/05/16) is a precise cross-platform ColecoVision emulator developed in C++. It supports Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. As an open-source project, its continuous development relies on community backing. Key features include an accurate Z80 core, TMS9918 emulation, SDL Audio sound, save states, and compressed ROM support. The emulator also supports various platforms via libretro, including mobile and gaming consoles. A full-featured debugger is included, offering functionalities like CPU breakpoints and memory access monitoring. For portable use, users can create a ‘portable.ini’ file in the application directory.
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Gearcoleco Git (2026/05/16) has been compiled. Gearcoleco is a highly accurate cross-platform emulator for ColecoVision, developed in C++, and is compatible with Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. This is an open-source project, and its continuous development is supported by generous backers.
Key Features:
Precision Z80 core, encompassing undocumented opcodes and functionalities like R and MEMPTR registers.
Exact TMS9918 emulation.
Sound emulation utilizing SDL Audio and the Sms_Snd_Emu library.
State saving capabilities.
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 a just-in-time disassembler, CPU breakpoints, memory access breakpoints, code navigation (goto address, JP JR and CALL through 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 folder as the application executable.
Compatibility with modern game controllers via a gamecontrollerdb.txt file in the same directory as the application binary.
Gearcoleco Changelog:
* [mcp] Enhanced tool descriptions
