https://www.gwern.net/Turing-complete
Turns out x86’s ”mov” instruction is turing complete and movfuscator can build a version of DOOM* entirely comprised of mov instructions:
https://github.com/xoreaxeaxeax/movfuscator/tree/master/validation/doom
https://igoro.com/archive/human-heart-is-a-turing-machine-research-on-xbox-360-shows-wait-what/
https://mainisusuallyafunction.blogspot.com/2014/02/x86-is-turing-complete-with-no-registers.html
MMU is Turing Complete lmao
https://github.com/jbangert/trapcc#readme
CONSTRUCTING TURING COMPLETE EULER FLOWS IN DIMENSION 3
https://arxiv.org/pdf/2012.12828.pdf
https://www.privatdozent.co/p/turing-uncomputability