Case study

Powar: emulating the Pokéwalker

Powar emulates the Pokéwalker using a user-supplied ROM and EEPROM image. Its C source implements the CPU instructions used so far, EEPROM, LCD, buttons and some Timer W functions, with SDL2 builds for desktop and an Emscripten web interface. The author describes it as a prototype with major peripherals and DS connectivity unfinished.

Targets: Firmware
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 112
Last commit: 2024-12-29
Language: C
License (GitHub): GPL-3.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Provide Pokéwalker ROM and EEPROM images named rom.bin and eeprom.bin.
Prerequisites: Build with SDL2 and CMake on Linux, Visual Studio and vcpkg on Windows, or Emscripten for the web interface.
Limits: RTC, accelerometer, most interrupts, sleep mode, IR communication and sound are unsupported.
License: GPL-3.0.

Cite

BibTeX

@misc{powar-pokewalker-case,
  title = {{Powar: emulating the Pokéwalker}},
  howpublished = {\url{https://github.com/UnrealPowerz/powar}},
  url = {https://github.com/UnrealPowerz/powar},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/powar-pokewalker-case/}}
}

Plain text

Powar: emulating the Pokéwalker. https://github.com/UnrealPowerz/powar (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/powar-pokewalker-case/

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Primary sources

README.md GitHub · UnrealPowerz/powar · Revision df3ca7e