Case study

sundog: reconstructing SunDog's p-system runtime

sundog ports the Atari ST game SunDog: Frozen Legacy to modern platforms by implementing its UCSD Pascal p-system interpreter in C. It runs the original p-code from the player's disk image, reimplements graphics assembly routines and uses SDL2 and OpenGL ES for host input and display.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 99
Last commit: 2025-11-18
Language: C
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

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

How evidence classes are assigned

Requirements & limits

Prerequisites: The player's own original-layout 360K .st raw disk image of SunDog: Frozen Legacy.
Prerequisites: SDL2 and OpenGL ES 2 or newer; documented source builds use Meson and Ninja.
License: MIT.

Cite

BibTeX

@misc{sundog-frozen-legacy-case,
  title = {{sundog: reconstructing SunDog's p-system runtime}},
  howpublished = {\url{https://github.com/laanwj/sundog}},
  url = {https://github.com/laanwj/sundog},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/sundog-frozen-legacy-case/}}
}

Plain text

sundog: reconstructing SunDog's p-system runtime. https://github.com/laanwj/sundog (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/sundog-frozen-legacy-case/

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Primary sources

README.md GitHub · laanwj/sundog · Revision e56d8e2
doc/notes.md GitHub · laanwj/sundog · Revision e56d8e2