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Doom Too Tough for Neo Geo?
2 Jun
Summary
- Neo Geo's design favors 2D sprites, hindering Doom's 3D graphics.
- Limited memory and VRAM architecture pose significant challenges.
- A simpler FPS like Wolfenstein 3D might be feasible, but not Doom.
The Neo Geo, a '90s game console, faces significant challenges in running the classic game Doom due to its architectural limitations. While it shares a CPU with other systems that have Doom ports, the Neo Geo was specifically designed for 2D sprite-based graphics. Its hardware cannot directly access sprite textures or render complex 3D environments.
The console lacks the necessary bitmap graphics modes for drawing pixels freely, making it difficult even for software-based Doom renderers. The processor writes tile numbers to VRAM, relying on a dedicated video processor to fetch sprites. This specialized design, coupled with limited memory, hinders the display of Doom's intricate textures and geometry.
Modern Vintage Gamer demonstrated a raycasting demo that approximates Wolfenstein 3D, achieving eight frames per second in emulation. However, this is a far cry from Doom's requirements, which include elements like raised platforms and textured surfaces. Without adding extra processing hardware to the cartridges, a full Doom port to the Neo Geo is considered impractical.
