Case study

SMBDIS.ASM: a comprehensive Super Mario Bros. disassembly

SMBDIS.ASM reconstructs the NES game Super Mario Bros. as a single commented 6502 assembly file of about 16,000 lines. It names the PPU, APU and joypad registers and the game RAM variables, comments routines such as the sound engine, player movement and enemy handling, and lays out the metatile graphics table, level, enemy object, area object and music data; it assembles with x816 once the user supplies the character ROM data and an iNES header.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-09
Evidence class: C3 notes only

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Evidence

Observed: No code found behind the entry URL.
Scope: Notes
Checked: 2026-11-10

How evidence classes are assigned

Requirements & limits

Prerequisites: The user must provide the character ROM data and an iNES file header.
Prerequisites: The x816 assembler.
License: The file states that it is provided for the user's own use as-is; no licence file in the gist.

Cite

BibTeX

@misc{smbdis-super-mario-bros-disassembly-case,
  title = {{SMBDIS.ASM: a comprehensive Super Mario Bros. disassembly}},
  howpublished = {\url{https://gist.github.com/1wErt3r/4048722}},
  url = {https://gist.github.com/1wErt3r/4048722},
  urldate = {2026-11-09},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/smbdis-super-mario-bros-disassembly-case/}}
}

Plain text

SMBDIS.ASM: a comprehensive Super Mario Bros. disassembly. https://gist.github.com/1wErt3r/4048722 (accessed 2026-11-09). Awesome REA entry: https://awesomerea.org/resources/smbdis-super-mario-bros-disassembly-case/

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About this entry

The description was reviewed against primary sources.

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