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mame

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wiki-rtd/docs/wiki_emulator_guides/mame/mame-guide.md
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@ -7,7 +7,7 @@ Games that you want to run with MAME should be put under the `retrodeck/roms/mam
## Enable cheats
RetroDECK already ships the cheat file from [Pugsy's Cheats]](https://www.mamecheat.co.uk/) as part of the cheat folder.
RetroDECK already ships the cheat file from [Pugsy's Cheats](https://www.mamecheat.co.uk/) as part of the cheat folder.
To enable cheats open MAME via the Configurator (we plan to make this easier later).
@ -16,6 +16,17 @@ In the MAME interface go to -> `General Settings` -> `Miscellaneous Options` ->
When you launch a game open the `Quick Menu` and go to the `Cheat` menu to toggle cheats for that game.
## Applying effects such as Shaders and Scanlines
First read up on BGFX effects on [BGFX MAMEdev](https://docs.mamedev.org/advanced/bgfx.html)
We
1. Go to `~/.var/app/net.retrodeck.retrodeck/config/mame/ini`
2. Open the `mame.ini` with your text editor of choice.
3. Find `OSD VIDEO OPTIONS` and edit the value: `video` from `opengl` to `bgfx`.
4. Find `GFX POST-PROCESSING OPTIONS` and edit the value: `bgfx_screen_chains` fron `nothing` to `what ever value you want` from the BGFX link. Example value from MAME: `bgfx_screen_chains`: `crt-geom`,`pillarbox_left_horizontal`,`pillarbox_right_horizontal`.
## MAME Standalone Folders
MAME Standalone comes with several folders for various assets and files.