Case study

si78c: reimplementing Space Invaders in C

si78c is a C reimplementation of the 1978 arcade game Space Invaders. Running it matches the original memory state apart from the stack, and the frames match pixel for pixel. The ROM files go in inv1/. invaders.e is MD5 7d3b201f3e84af3b4fcb8ce8619ec9c6, invaders.f is 7709a2576adb6fedcdfe175759e5c17a, invaders.g is 9ec2dc89315a0d50c5e166f664f64a48, and invaders.h is e87815985f5208bfa25d567c3fb52418. make builds ./bin/si78c. It uses SDL2 and ucontext, and the documented builds use Ubuntu 18.04 and Mac OS X El Capitan on little-endian machines.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C2 code & docs, no demo or download

Stars: 797
Last commit: 2019-12-06
Language: C

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

SDL2 and the four ROM files with those MD5s. On Ubuntu, libsdl2-dev, then make.
The README names no license.

Cite

BibTeX

@misc{si78c,
  title = {{si78c: reimplementing Space Invaders in C}},
  howpublished = {\url{https://github.com/loadzero/si78c}},
  url = {https://github.com/loadzero/si78c},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/si78c/}}
}

Plain text

si78c: reimplementing Space Invaders in C. https://github.com/loadzero/si78c (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/si78c/

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Primary sources

README.md GitHub · loadzero/si78c · Revision 0b2b4f1