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Mame.exe can't launch certain ROMs outside Mame32
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Havok:
Haha - don't say that too loud... Some of the guys here will go after you for that one. I agree, however there are a lot of valid points on why a ROM changes over the different revisions: a new, better dump is done, samples are added\removed, etc. Needless to say, it's best to grab a matching version of ROMS and Mame and standardize on that.

Personally, I don't change unless they add some new games\features. I think I'm going to upgrade once 111 comes out - the guitar hero and fishing games are a fresh new addition...
u_rebelscum:

--- Quote from: jlfreund on November 20, 2006, 12:34:44 pm ---I would have assumed that once a set exists, any improvements to the emulation would be in code, not in the ROM?
--- End quote ---

I think you said it right without knowing it; ROM vs set. 

A ROM in mame isn't changed unless it's found to be a bad dump. 
But what us users see is a set of ROMs grouped in a zip file, often incorrectly called "a ROM" instead of "set of ROMs".

The sets can change for many valid reasons:  Incomplete dumps, mixed and matched dumps, dumped from mixed and matched or hacked PCBs, a new parent/clone found, ect.  And what once was thought to be "complete" or "perfect" sets can be found to not be so later, such as when a better quality PCB is found or emulation is improved so much that the stuff (missing/bad ROM/PROM) that didn't effect play does now. 

But like Havok said, you don't need to keep up with the new mame versions unless there's a new feature, fix, or game, or you want to help with the code.
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