JCM
@jcm.at.wafrn.jcm.re
Hello World!
I do low-level programming and FPGA stuff :3
I like modern C++, Vulkan, WebAssembly, VHDL, SBCs, game modding, and Ganqing Impact.[...]
View full profile at https://wafrn.jcm.re/blog/jcm
I do low-level programming and FPGA stuff :3
I like modern C++, Vulkan, WebAssembly, VHDL, SBCs, game modding, and Ganqing Impact.[...]
View full profile at https://wafrn.jcm.re/blog/jcm
Reposted by JCM
a good excuse as any to do another one of these :neocat_happy_256:
January 29, 2026 at 7:06 PM
a good excuse as any to do another one of these :neocat_happy_256:
WebMMIO to rule all of them!
January 29, 2026 at 6:52 PM
WebMMIO to rule all of them!
Here's a little example of how the video recording looks like: <a href="https://wafrn.jcm.re/fediverse/post/d67e3f53-68d1-43af-bd42-ce677c2a580b" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">https://wafrn.jcm.re/fediverse/post/d67e3f53-68d1-43af-bd42-ce677c2a580b
January 23, 2026 at 2:22 AM
Here's a little example of how the video recording looks like: <a href="https://wafrn.jcm.re/fediverse/post/d67e3f53-68d1-43af-bd42-ce677c2a580b" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link" target="_blank" rel="noopener" data-link="bsky">https://wafrn.jcm.re/fediverse/post/d67e3f53-68d1-43af-bd42-ce677c2a580b
So apparently it works in LLVM 21+, but the Ubuntu Noble repositories only have LLVM up to version 20 😭
January 21, 2026 at 10:26 AM
So apparently it works in LLVM 21+, but the Ubuntu Noble repositories only have LLVM up to version 20 😭
Turns out my DVI implementation had control signals set completely wrong and a bug in the TMDS encoder, but somehow the monitor at my university (where this picture was taken) just accepted the signal without any problem.
Has been quite the debugging hell once I came home and neither[...]
Has been quite the debugging hell once I came home and neither[...]
See complete post at wafrn.jcm.re
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wafrn.jcm.re
January 19, 2026 at 6:30 AM
Turns out my DVI implementation had control signals set completely wrong and a bug in the TMDS encoder, but somehow the monitor at my university (where this picture was taken) just accepted the signal without any problem.
Has been quite the debugging hell once I came home and neither[...]
Has been quite the debugging hell once I came home and neither[...]