A cross-platform desktop application for remotely controlling Commodore 64 Ultimate devices (Ultimate 64 / 1541 Ultimate II+) over your local network.
Early Development Warning This project is in a very early stage. Expect bugs, missing features, and breaking changes. Use at your own risk!
Available for:
- macOS (signed and notarized)
- Windows
- Linux (AppImage)
- Browse files on your Ultimate device (Flash, USB drives)
- Play SID music directly on the C64 hardware
- Play MOD files using the Ultimate's built-in player
- Run PRG files (load and execute programs)
- Run CRT files (cartridge images)
- Mount disk images (D64/D71/D81/G64) to Drive A or B
- Eject mounted disks from Drive A or B
- Upload/download files between your computer and the device
- Transfer queue with progress tracking for multiple file transfers
- Create folders on the device
- Reset the C64 machine
- Test connection to verify device connectivity before saving preferences
- Secure password storage using macOS Keychain (Windows Credential Manager coming soon)
Coming soon
- A Commodore 64 Ultimate device (Ultimate 64, 1541 Ultimate II, or 1541 Ultimate II+)
- Device must be on the same local network as your computer
- Network/FTP access enabled on the device
- Download and run r64u
- Go to File > Preferences (or click Preferences in the toolbar)
- Enter your device's IP address or hostname
- Click Test Connection to verify connectivity
- Click OK to save (password is stored securely in your system keychain)
- Click Connect and enjoy!
- Qt 6.5+
- CMake 3.21+
- C++17 compiler
cmake -B build -DCMAKE_BUILD_TYPE=Release
cmake --build buildFeatures planned for future releases:
- Device discovery (mDNS/Bonjour)
- Disk image content browsing (view D64 contents without mounting)
- SID metadata display (title, author from HVSC)
- Drag and drop support
- Windows Credential Manager integration for secure password storage
- Linux Secret Service integration for secure password storage
MIT License - see LICENSE for details.
- Gideon's Logic for creating the Ultimate series of hardware
- The C64 community for keeping the platform alive