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Gearcoleco Git (2026/01/06) is an accurate, open-source ColecoVision emulator written in C++, compatible with Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. Key features include a precise Z80 core with undocumented opcodes, accurate TMS9918 emulation, sound emulation via SDL Audio, and save states. It supports various platforms, including multiple gaming consoles and devices. The emulator includes a full debugger with tools like just-in-time disassembly and memory editing. Users can create a portable mode for Windows and Linux, and it supports modern game controllers. The latest update fixed bugs in the debugger. Download it from the source provided.
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Gearcoleco Git (2026/01/06) has been compiled. Gearcoleco is an extremely precise cross-platform ColecoVision emulator developed in C++, compatible with Windows, macOS, Linux, BSD, Raspberry Pi, and RetroArch. This open-source project thrives on the continuous support from its fantastic backers.
Features:
Highly accurate Z80 core, incorporating undocumented opcodes and features such as R and MEMPTR registers.
Precise TMS9918 emulation.
Sound emulation powered by SDL Audio and Sms_Snd_Emu library.
Save state functionality.
Supported ROM compression (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 (go to address, JP JR and CALL double-clicking), debug symbols, memory editor, I/O inspector, and VRAM viewer with access to 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.
Support for modern game controllers via a gamecontrollerdb.txt file located in the same directory as the application binary.
Gearcoleco changelog:
* [debugger] Fix step frame
