A demo for the Ultimate 64, compiled with Oscar64 and running at up to 64 MHz via U64 turbo mode. Requires an Ultimate 64 (U64 or U64 Elite) with turbo mode, 16 MB REU, and Ultimate Audio enabled.
Requirements
- Ultimate 64 (U64 or U64 Elite)
- Firmware configured:
- Turbo Mode: F2 -> Turbo Mode -> U64 Turbo Registers
- REU: 16 MB -- F2 -> C64 settings -> REU -> 16 MB
- Ultimate Audio: F2 -> C64/Cart settings -> Audio
Installation
- Extract the ZIP to the root of an SD card or USB drive. The ZIP contains the
idi8b/ultdemo2026/folder -- extracting at the drive root creates the correct directory layout. - In the Ultimate menu, navigate to
idi8b/ultdemo2026/and loadudemo2026.prg.
Scenes
| Scene | Description |
|---|---|
| Gears | Speed ramp 1--64 MHz with rotating XOR gear pattern |
| Mandelbrot | Multicolor Mandelbrot fractal zoom |
| Ball | 3D shaded ball with rotating wireframe floor |
| Vectors | 3D wireframe rotating cube |
| Plasma | Sine-interference plasma effect |
| Tunnel | Texture-mapped 3D tunnel |
| Flower | PETSCII polar rose (spinning rhodonea curve) |
| Scroller | Full-screen PETSCII font scroller with music |
Credits
- Code: Xander Mol
- Music: 4ev.mod (Forever Young)
- UCI/DOS library: Scott Hutter & Francesco Sblendorio
- MOD player: based on ModPlayer_16k by 6510nl / Freshness
- Font: Small Round PETSCII Font by Cupid
- Compiler: Oscar64 by drmortalwombat
Licensed under the GNU General Public License v3.0.