101 lines
2.9 KiB
Markdown
101 lines
2.9 KiB
Markdown
# Uxn
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An assembler and emulator for the [Uxn stack-machine](https://wiki.xxiivv.com/site/uxn.html), written in ANSI C.
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## Download binaries
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Binaries are available for 64-bit x86 computers running [Linux](https://rabbits.srht.site/uxn-linux-amd64.tar.gz), [Windows](https://rabbits.srht.site/uxn-windows-64bit.zip) and [macOS](https://rabbits.srht.site/uxn-macos.tar.gz).
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## Build
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### Linux/OS X
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To build the Uxn emulator, you must install [SDL2](https://wiki.libsdl.org/) for your distro. If you are using a package manager:
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```sh
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sudo pacman -Sy sdl2 # Arch
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sudo apt install libsdl2-dev # Ubuntu
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brew install sdl2 # OS X
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```
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Build the assembler and emulator by running the `build.sh` script. The assembler(`uxnasm`) and emulator(`uxnemu`) are created in the `/bin` folder.
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```sh
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./build.sh
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--debug # Add debug flags to compiler
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--format # Format source code
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```
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If you wish to build the emulator without graphics mode:
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```sh
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cc src/uxn.c -DNDEBUG -Os -g0 -s src/uxncli.c -o bin/uxncli
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```
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### Plan 9
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To build the Uxn emulator on [9front](http://9front.org/), via [npe](https://git.sr.ht/~ft/npe):
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```rc
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mk
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```
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If the build fails on 9front because of missing headers or functions, try again after `rm -r /sys/include/npe`.
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### Windows
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Uxn can be built on Windows with [MSYS2](https://www.msys2.org/). Install by downloading from their website or with Chocolatey with `choco install msys2`. In the MSYS shell, type:
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```sh
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pacman -S git mingw-w64-x86_64-gcc mingw64/mingw-w64-x86_64-SDL2
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export PATH="${PATH}:/mingw64/bin"
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git clone https://git.sr.ht/~rabbits/uxn
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cd uxn
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./build.sh
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```
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To run the emulator _outside_ of the MSYS2 environment, download the [SDL runtime binary for Windows](https://libsdl.org/download-2.0.php) and place the `SDL2.dll` file in the same directory as the emulator (`bin/`).
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## Getting Started
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### Emulator
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To launch a `.rom` in the emulator, point the emulator to the target rom file:
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```sh
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bin/uxnemu bin/piano.rom
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```
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You can also use the emulator without graphics by using `uxncli`. You can find additional roms [here](https://sr.ht/~rabbits/uxn/sources), you can find prebuilt rom files [here](https://itch.io/c/248074/uxn-roms).
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### Assembler
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The following command will create an Uxn-compatible rom from an [uxntal file](https://wiki.xxiivv.com/site/uxntal.html). Point the assembler to a `.tal` file, followed by and the rom name:
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```sh
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bin/uxnasm projects/examples/demos/life.tal bin/life.rom
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```
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### I/O
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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](https://git.sr.ht/~rabbits/shim).
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```sh
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uxnemu orca.rom | shim
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```
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## Emulator Options
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- `-s 1`, `-s 2` or `-s 3` set zoom (default 1)
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## Emulator Controls
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- `F1` toggle zoom
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- `F2` toggle debug
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- `F3` capture screen
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- `F4` load boot.rom
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## Need a hand?
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Find us in `#uxn`, on irc.esper.net
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