Two projects have successfully made progress on running Doom on Neo Geo hardware, countering previous claims that it was impossible. These efforts showcase the potential of retro coding and innovation on legacy systems, although with significant graphical compromises.
The Neo Geo is a 1990s-era console known for its sprite-based hardware. Modern Vintage Gamer (MVG) previously stated that Doom could not run on the Neo Geo due to its display constraints. This claim was challenged by dedicated hackers who demonstrated otherwise.
The Doom64KB project, created by coder FrenkelS, adapted a previous 16-bit PC version of Doom. The project utilizes Neo Geo's fix layer to create a proto frame buffer for gameplay display.
This method results in a version of Doom that runs with 28x32 effective resolution and a color palette limited to 16 colors, which impacts visual effects like depth perception.
Another variant of the project modifies the frame buffer approach by leveraging the Neo Geo's sprite memory. This boosts the resolution to 80x56 using 4x4 blocks but reduces frame rate, showing a trade-off between quality and performance.
These projects illustrate the ingenuity of retro game developers and keep alive the spirit of classic gaming. While these Doom ports are not market-ready, they highlight the capabilities of the Neo Geo and may inspire further developments as hardware optimizations, like the upcoming Neo Geo AES+, become available.
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Two projects have successfully made progress on running Doom on Neo Geo hardware, countering previous claims that it was impossible. These efforts showcase the potential of retro coding and innovation on legacy systems, although with significant graphical compromises.