> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/ubuntu-zhuo-mian/retropie.md).

# RetroPie

設定default mame

```
vi /opt/retropie/configs/arcade/emulators.cfg
```