4 ms·
SNES DOOM does have the Super FX chip, which draws textured polygons to an on-cart framebuffer for DMA transfer to main video memory. It runs at 21 MHz, much f
by vikingerik 3y ago
SNES DOOM does have the Super FX chip, which draws textured polygons to an on-cart framebuffer for DMA transfer to main video memory. It runs at 21 MHz, much faster than the SNES console itself and actually not all that far off from the Playstation or a 486 PC.
- qbasic_forever 3y agoThat's great but doom doesn't use polygons and is a texture mapped raycasting engine. Super FX does help speed up some vector math operations but it's still quite limited. If you played SNES doom you would know it's really pushing the system to the absolute limits. The frame rate is pretty low and cropped play area is small. They had to simplify a bit of level geometry to get the BSPs and other level traversal logic for stuff like enemy AI to fit in memory (which was 128 kilobytes!). They didn't even have enough CPU power to texture the floor and ceiling.