# Getting Started Assembling **pokecrystal.gbc** requires a certain **Pokémon Crystal** rom: Pokemon - Crystal Version (UE) (V1.0) [C][!].gbc md5: 9f2922b235a5eeb78d65594e82ef5dde # Linux Linux dependencies. OSX users already have these after installing Xcode. sudo apt-get install make gcc bison git python python-setuptools Set up the **pokecrystal** repository: git clone git://github.com/kanzure/pokecrystal.git cd pokecrystal ./init.sh Copy the Pokémon Crystal rom to this directory. Name it **baserom.gbc**. Now you should be able to build **pokecrystal.gbc** for the first time. make Your first build may take about 30 seconds. Subsequent builds are much faster (2-10 seconds). # OSX Download and install **Xcode**. Then follow the Linux instructions. # Windows Not yet.