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README.md
Uxn
An assembler and emulator for the Uxn stack-machine, written in ANSI C.
Download binaries
Binaries are available for 64-bit x86 computers running Linux and Windows.
Build
Linux/OS X
To build the Uxn emulator, you must install SDL2 for your distro. If you are using a package manager:
sudo pacman -Sy sdl2 # Arch
sudo apt install libsdl2-dev # Ubuntu
brew install sdl2 # OS X
Build the assembler and emulator by running the build.sh
script. The assembler(uxnasm
) and emulator(uxnemu
) are created in the /bin
folder.
./build.sh
--debug # Add debug flags to compiler
--format # Format source code
If you wish to build the emulator without graphics mode:
cc src/uxn.c -DNDEBUG -Os -g0 -s src/uxncli.c -o bin/uxncli
Plan 9
To build the Uxn emulator on 9front, via npe:
mk
If the build fails on 9front because of missing headers or functions, try again after rm -r /sys/include/npe
.
Windows
Uxn can be built on Windows with MSYS2. Install by downloading from their website or with Chocolatey with choco install msys2
. In the MSYS shell, type:
pacman -S git mingw-w64-x86_64-gcc mingw64/mingw-w64-x86_64-SDL2
export PATH="${PATH}:/mingw64/bin"
git clone https://git.sr.ht/~rabbits/uxn
cd uxn
./build.sh
Getting Started
Emulator
To launch a .rom
in the emulator, point the emulator to the target rom file:
bin/uxnemu bin/piano.rom
You can also use the emulator without graphics by using uxncli
. You can find additional roms here, you can find prebuilt rom files here.
Assembler
The following command will create an Uxn-compatible rom from an uxntal file. Point the assembler to a .tal
file, followed by and the rom name:
bin/uxnasm projects/examples/demos/life.tal bin/life.rom
I/O
You can send events from Uxn to another application, or another instance of uxn, with the Unix pipe. For a companion application that translates notes data into midi, see the shim.
uxnemu orca.rom | shim
Emulator Options
-s 1
,-s 2
or-s 3
set zoom (default 1)
Emulator Controls
F1
toggle zoomF2
toggle debugF3
capture screen
Need a hand?
Find us in #uxn
, on irc.esper.net