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Uxn
2021
Nasu/Hundred Rabbits' tiny stack-based virtual machine designed for small, portable, long-lived software.
Uxn Online Emulator
Play Uxn using JavaScript directly in your browser.
Controls
Boots a small public-domain Uxn demo ROM that paints four colour fields and animates a sprite through the Varvara screen device. Add ?debug to the URL, or open the debugger, to single-step the Uxn stack machine one opcode at a time and set breakpoints on a PC. Arrow keys plus Z / X / Shift / Enter drive the Varvara controller; click the screen first so it captures the keyboard.
Configurations
| Configuration | Emulator | Machine | OS | Legal | |
|---|---|---|---|---|---|
| Varvara demo | Uxn | Uxn | open | Open ⛶ |
Downloads - ROMs & software
| Title | Type | Size (bytes) | Legal | |
|---|---|---|---|---|
| Varvara colour + sprite demo | demo | 98 | open | Download ↓ |
Downloads - ROMs & software
| Title | Type | Size (bytes) | Legal | |
|---|---|---|---|---|
| Varvara colour + sprite demo | demo | 98 | open | Download ↓ |
Downloads - ROMs & software
| Title | Type | Size (bytes) | Legal | |
|---|---|---|---|---|
| Varvara colour + sprite demo | demo | 98 | open | Download ↓ |
Downloads - ROMs & software
| Title | Type | Size (bytes) | Legal | |
|---|---|---|---|---|
| Varvara colour + sprite demo | demo | 98 | open | Download ↓ |
Downloads - ROMs & software
| Title | Type | Size (bytes) | Legal | |
|---|---|---|---|---|
| Varvara colour + sprite demo | demo | 98 | open | Download ↓ |
Chips
Emulators
| Emulator | Type | License | Site |
|---|---|---|---|
| Uxn | online | MIT | Website ↗ |
| Uxn32 | downloadable | MIT | Website ↗ |
| Uxn5 | online | MIT | Website ↗ |
| buxn | downloadable | BSD-2-Clause | Website ↗ |
| uxn11 | downloadable | MIT | Website ↗ |
| uxnemu | downloadable | MIT | Website ↗ |