HexCalculatorDS

An integer calculator for Nintendo DS.

Screenshot (DeSmuME)

Milestones

v1.0.0

• input by touching sub screen
• update current number
• implement operators
• add quotes to the formula tree
• switch base: hex/dec/oct/bin
• switch depth: QWORD/DWORD/WORD/BYTE
• switch sign: signed/unsigned
• evaluate the formula
• disable number buttons with base
• Implement bitwise not & negative
• Implement backspace
• Implement brackets

v1.1.0

• Activate last pressed button (show focus sign)
• Count unclosed left brackets
• Disable width drawer if base == bin
• Display version number on the sub screen

v1.2.0

• Add background to the UINT32 on topleft
• Modify the font shadows
• Add animations

v2.0.0

• scroll the formula
• add color type for GBA/NDS 16-bit color
• enable download play

License

This software is under GPL-2.0-or-later license.

HexCalculatorDS - An integer calculator for Nintendo DS.
Copyright (C) 2026  Cerallin <cerallin@cerallin.top>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

Third parties

• libnds v1.8.x
• A modified version of Ark Pixel Font

Develop

Devcontainer

This project supports VS Code Dev Container. To run the devcontainer:

• Locally (with VS Code):

  1. Open the project folder in VS Code.
  2. If prompted, click "Reopen in Container". Or use the command palette: Dev Containers: Reopen in Container.
  3. The environment will be automatically set up and ready for development.

• GitHub Codespaces:

  1. Open the repository in GitHub.
  2. Click the "Code" button and select "Open with Codespaces".
  3. The workspace will launch in a cloud devcontainer with all dependencies pre-installed.

pre-commit

A git pre-commit hook is configured. Before each commit, all staged C/C++ files are automatically formatted using clang-format, according to the rules defined in the .clang-format file.

# Install clang-format if not present
sudo apt update && sudo apt install -y clang-format
# Intall the hooks
./scripts/install-hooks