pokecrystal/INSTALL.md

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# Instructions
These instructions explain how to set up the tools required to build **pokecrystal**, including [**rgbds**](https://github.com/gbdev/rgbds), which assembles the source files into a ROM.
If you run into trouble, ask for help on IRC or Discord (see [README.md](README.md)).
## Windows 10
Download and install [**Windows Subsystem for Linux**](https://docs.microsoft.com/en-us/windows/wsl/install-win10). Then open the **WSL terminal**.
Update WSL's software before continuing. If you chose Debian, Ubuntu, or another distribution that uses `apt-get`, then enter this command:
```bash
apt-get update && apt-get upgrade
```
WSL has its own file system that's not accessible from Windows, but Windows files *are* accessible from WSL. So you're going to want to install pokecrystal within Windows. You'll have to change the **current working directory** every time you open WSL.
For example, if you want to store pokecrystal in **C:\Users\\*\<user>*\Desktop**, enter this command:
```bash
cd /mnt/c/Users/<user>/Desktop
```
(The Windows `C:\` drive is called `/mnt/c/` in WSL. Replace *\<user>* in the example path with your username.)
If this works, then follow [the instructions for **Linux**](#linux) below for whatever distribution you installed for WSL.
Otherwise, continue reading below for [the older Windows instructions](#windows).
## Windows
Download [**Cygwin**](http://cygwin.com/install.html): **setup-x86_64.exe** for 64-bit Windows, **setup-x86.exe** for 32-bit.
Run setup and leave the default settings. At the "**Select Packages**" step, choose to install the following, all of which are in the "**Devel**" category:
- `make`
- `git`
- `gcc-core`
Double click on the text that says "**Skip**" next to each package to select the most recent version to install.
Then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/windows) for Windows with Cygwin to install **rgbds 0.4.1**.
**Note:** If you already have an older rgbds, you will need to update to 0.4.1. Ignore this if you have never installed rgbds before. If a version newer than 0.4.1 does not work, try downloading 0.4.1.
Now open the **Cygwin terminal** and enter the following commands.
Cygwin has its own file system that's within Windows, at **C:\cygwin64\home\\*\<user>***. If you don't want to store pokecrystal there, you'll have to change the **current working directory** every time you open Cygwin.
For example, if you want to store pokecrystal in **C:\Users\\*\<user>*\Desktop**:
```bash
cd /cygdrive/c/Users/<user>/Desktop
```
(The Windows `C:\` drive is called `/cygdrive/c/` in Cygwin. Replace *\<user>* in the example path with your username.)
Now you're ready to [build **pokecrystal**](#build-pokecrystal).
## macOS
Install [**Homebrew**](https://brew.sh/). Follow the official instructions.
Open **Terminal** and prepare to enter commands.
Then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/macos) for macOS to install **rgbds 0.4.1**.
Now you're ready to [build **pokecrystal**](#build-pokecrystal).
## Linux
Open **Terminal** and enter the following commands, depending on which distro you're using.
### Debian or Ubuntu
To install the software required for **pokecrystal**:
```bash
sudo apt-get install make gcc git
```
Then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/source) to build **rgbds 0.4.1** from source.
### OpenSUSE
To install the software required for **pokecrystal**:
```bash
sudo zypper install make gcc git
```
Then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/source) to build **rgbds 0.4.1** from source.
### Arch Linux
To install the software required for **pokecrystal**:
```bash
sudo pacman -S make gcc git rgbds
```
Then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/arch) for Arch Linux to install **rgbds 0.4.1**.
If you want to compile and install **rgbds** yourself instead, then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/source) to build **rgbds 0.4.1** from source.
### Termux
To install the software required for **pokecrystal**:
```bash
sudo apt install make clang git sed
```
To install **rgbds**:
```bash
sudo apt install rgbds
```
If you want to compile and install **rgbds** yourself instead, then follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/source) to build **rgbds 0.4.1** from source.
### Other distros
If your distro is not listed here, try to find the required software in its repositories:
- `make`
- `gcc` (or `clang`)
- `git`
- `rgbds`
If `rgbds` is not available, you'll need to follow the [**rgbds** instructions](https://rgbds.gbdev.io/install/source) to build **rgbds 0.4.1** from source.
Now you're ready to [build **pokecrystal**](#build-pokecrystal).
## Build pokecrystal
To download the **pokecrystal** source files:
```bash
git clone https://github.com/pret/pokecrystal
cd pokecrystal
```
To build **pokecrystal.gbc**:
```bash
make
```
To build **pokecrystal11.gbc**:
```bash
make crystal11
```