CHD files should be placed in subfolders named after the game's parent ROM name (e.g., /roms/chd/ki/ki.chd for Killer Instinct ).
In a non-merged set, every single game zip file contains all the files necessary to run that specific game, including parent ROM data and clone data.
Massive, ranging from hundreds of megabytes to several gigabytes per game.
If you want to build a curated "Top Games" list from your reference set, prioritize these timeless, highly optimized arcade classics: Golden Age Classics (1980) Donkey Kong (1981) Galaga (1981) The Fighting Game Renaissance mame 2014 reference set mame 0159 roms chds top
Managing a full reference set can be daunting. To ensure your set is "Clean" (meaning it contains no broken or redundant files), many users utilize tools like or RomCenter .
Create a folder named exactly like the parent ROM zip file, and place the .chd inside it. Correct Directory Visual Layout:
Place all ROMs into the designated folder specified by your frontend or RetroArch. CHD files should be placed in subfolders named
A "reference set" is a meticulously curated and verified collection of ROMs, often created and distributed by groups like the now-defunct torrent tracker. These sets are highly valued because they are:
Important: For CHD games, the CHD folder must sit next to the ROM zip file, usually with the exact same name.
MAME 0.159 holds a special place in the emulation community. It represents a "Goldilocks" zone: If you want to build a curated "Top
A full 0.159 ROM set takes up roughly 40-50 GB. However, if you include the full 0.159 CHD collection, the required storage space balloons to several hundred gigabytes. Many users skip the CHDs entirely unless they specifically want to play 3D laserdisc or hard-drive-based games. ROM Set Formats: Non-Merged vs. Split vs. Merged
.chd files, which must sit inside a folder named exactly after the game ROM.
After placing your files, you should use a ROM Manager like or the audit feature within MAMEUI64 to scan your ROMs folder. This tool will verify if you are missing any parent ROMs or CHDs, ensuring you have a complete set.
These are the games that defined the arcade scene of the early 1980s. Thanks to MAME's preservation efforts, the original arcade versions of these titles are perfectly preserved.