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Zelda64 version comparison scripts

TODO: write description

N.B. Support for Animal Forest is quite limited at present, but is being actively worked on.

Python dependencies

First you'll need to create a virtual environment for the python packages:

python3 -m venv .venv

To start using the virtual environment on your current terminal run:

source .venv/bin/activate

Take in mind for each new terminal you'll need to active the Python virtual environment again, there's no need to create the virtual environment again.

Now you can install the Python dependencies, to do so run:

python3 -m pip install -U -r requirements.txt

Setup

  • Each ROM you wish to extract for comparison should be named {game}/{game}_{version}.z64.

  • (Optional) Run fixbaserom.py for every version just to be sure: the roms are expected to be big-endian.

  • Run make setup GAME={game} VERSION={version} for every version you wish to compare to extract the baseroms to separate decompressed files, e.g.

    make setup GAME=MM VERSION=ne0

    will extract MM's US N64 version (see the bottom of the README.md for the abbreviations this repository uses)

  • Run make GAME={game} VERSION={version} to disassemble.

Usage

  • If you update a Google sheet, make downloadcsvs will pull the sheets for the corresponding game (specify it with GAME=).
  • Rerunning make with the appropriate variables set will re-disassemble with the new symbols.
  • To change the files that are extracted, edit the appropriate game's disasm_list.txt. By default only a few files are diassembled to save time.

N.B. DnM overlays are not currently supported since the relocation section is separate.

Comparison scripts

TODO

Version abbreviations

Because OoT has over 20 different versions, and MM 10, it's necessary to have short abbreviations for each version when comparing. The first two letters are mostly from Nintendo's designations, for media

  • N is cartridge
  • C is disc

and for regions

  • J is Japan
  • E is America
  • P is PAL (Australia as well as Europe, at least in this case)

The following tables give the more common name/description of each version:

OoT

The Legend of Zelda: Ocarina of Time

Abbreviation Description
njr ner with the language byte changed
ner "0.9" prerelease build found in early 2021
nj0 N64 Japanese 1.0
ne0 N64 American 1.0
nj1 N64 Japanese 1.1
ne1 N64 American 1.1
np0 N64 PAL 1.0
nj2 N64 Japanese 1.2
ne2 N64 American 1.2
np1 N64 PAL 1.1
cjo GC Japanese original
cjm GC Japanese Master Quest
ceo GC American original
cem GC American Master Quest
cpod1 GC PAL original Debug, earlier build date
cpod2 GC PAL original Debug, later build date
cpmd GC PAL Master Quest Debug
cpo GC PAL original
cpm GC PAL Master Quest
cjc GC Japanese Zelda Collection
iqs iQue (Simplified Chinese), released in China
iqt iQue (Traditional Chinese), unreleased
pal_wii_1.1 Wii Virtual Console PAL. Romhack of np1.

(ne0, ne1, ne2 are just nj0, nj1, nj2 with the language byte changed.)

MM

The Legend of Zelda: Majora's Mask

Abbreviation Description
nj0 N64 Japanese 1.0
nj1 N64 Japanese 1.1
nek N64 American Kiosk Demo
ne0 N64 American 1.0
np0 N64 PAL 1.0
npd N64 PAL Debug
np1 N64 PAL 1.1
cjo GC Japanese
ceo GC American
cpo GC PAL
pal_wii_1.1 Wii Virtual Console PAL. Romhack of np1.

DnM

Doubutsu no Mori AKA Animal Forest. (Not a Zelda title, but shares many systems with the Zelda64 games.)

Abbreviation Description
jp N64 Japanese
cn iQue Simplified Chinese

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