What Mame does is use a single common format (CHD) to hold this data. A few games encapsulated a Hard drive, CD Rom or some other form of Mass storage inside the original machine. If you're using MameUI when you check the gamelist you'll notice there's a column called 'cloneof' if that field is blank then that version of the game is the parent rom, if however there is a romname in the cloneof column, then its that romname that is the parent rom.ĬHD's. Rather than have multiple copies of all the game code, what Mame does is has a single 'Parent' rom that contains all of the game code, and all the other versions (called 'clones') just contain the small amount of code that's different for that version.įor games that have more than one version you must have the parent rom in the rom folder or no other versions of that game will work. These will be different regional versions of the game (US, EU, JAP etc) and revisions, updates and bootlegs. Lots of games in mame have a number of versions. For example Neo Geo games require the Neogeo bios rom (neogeo.zip) to be in the Mame/roms folder or none of them will boot. Lots of Mame roms also require the system Bios rom for that arcade system. Most sites hosting mame roms will specify somewhere what version number of mame they relate to and work with.īios files. Explained Below.Īs Mame is updated, roms are often updated as well, code sometimes changes, is added to, redumped or redundant code is removed as the emulation becomes more accurate.īasically this means that with each release of Mame a number of roms will need to be updated. Either the site you're getting the roms from isn't hosting roms compatible with the latest version of Mame or you're missing Bios or Parent Roms. If mame says you're missing files then you're missing files. they should have the MameUI32 1.4.1 version aswell as the MameUI64 1.4.1 (64 bit versions are lower down on the page)įirstly, no rom requests its a breach of this sites AUP. I recomend you try MAMEUI out it's the same core program but uses a gui to pick your games aswell as audit features that tell you if you are missing any roms, should aslo tell you what you are missing, this will sort and organise your games you can also make it show only working games and other filters, you can even hame MameUI in the same folder as MAME if you like If doesn't work, you need find the newest rom or downgrade the sdlmame.Ħ. Or the missing file was a rom file, unzip then try copy a similar file to that name, zip again and try. if the missing file was a bios file, you need try to find the newest bios. Some of those romsets are hard to find on internet roms sites, so you have to update them using some tools or just try to find the on irc.ģ.Maybe try a older release of it with the ROMS you have already. I guess they keep finding better versions or something.Ģ.The problem is that the mame developers are constantly changing the romsets of the games. ![]() For this problem of MAME, there is not exactly solution, below are the main possbile reasons or solutions, i collected from the Internet:ġ.Different versions of MAME work with different versions of rom dumps, which is the one thing about MAME I don’t like.
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