What does HackerNews think of DOOM-FX?

Doom/FX for Super Nintendo with SuperFX GSU2A

Language: Assembly

Zelda: A Link to the Past (SNES) re-implemented in C | Jan 2023
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No OS. These games were hand written in assembly direct to the metal.

The source code of the SNES Doom port was open sourced if you wanna take a look: https://github.com/RandalLinden/DOOM-FX
Porting Doom to a/UX | Jun 2022
There is a port called FastDoom that could serve as inspiration for achieving better performance.

https://github.com/viti95/FastDoom

There is also the official SNES port for the faster Super FX GSU-2 chip running at 21 Mhz.

https://github.com/RandalLinden/DOOM-FX

Western Digital SweRV RISC-V Core | Nov 2020
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The SNES version was coded from scratch in 65816/Super FX assembly language [1]; how the PC version did things would’ve been neither here nor there.

[1] https://github.com/RandalLinden/DOOM-FX - yes, that’s the original code on GitHub, released by the author