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From: Terje Mathisen <terje.mathisen@tmsw.no>
Newsgroups: comp.arch
Subject: Re: Got Quake 2 running on my MRISC32 FPGA computer
Date: Mon, 16 Dec 2024 15:32:26 +0100
Organization: A noiseless patient Spider
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Well done!

Marcus wrote:
> Some progress...
> 
> Earlier this year I spent some time porting Quake 2 to my MRISC32 based
> computer. It required some refactoring since Quake 2 used a modular
> rendering and game logic system based on dynamically loaded libraries
> (DLLs). My computer isn't that fancy, so I had to get everything
> statically linked into a single executable ELF32 binary (and the
> Quake 2 source code didn't support that at all).
> 
> My patched source code: https://gitlab.com/mbitsnbites/mc1-quake2
> 
> When I finally got a working build, it only worked in my simulator but
> not on my FPGA board, so I dropped the effort.
> 
> Yesterday, however, I went and bumped my GNU toolchain to GCC 15.x and
> fixed a few bugs in my MRISC32 back end, and lo and behold, the binary
> actually started working on the FPGA (not sure if it was a compiler bug
> or if it's a CPU implementation bug that got hidden by the compiler
> update).
> 
> Video: https://vimeo.com/1039476687
> 
> It's not much (about 10 FPS at 320x180 resolution), but at least it's
> progress.
> 
> /Marcus


-- 
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"