> Hallo,
> i've extracted the xml from official 0.139 mame.exe (windows), put that into
> clrmamepro and rebuild this one rom (contra.zip, 388.388 Bytes). Scanner says 'US Set
> 1' is ok. But when i start the rom with mame i see 'One or more ROMs/CHDs for this
> game are incorrect. The game may not run correctly'. The game itself runs fine
> though.
>
> Why is it throwing this error? Is this expected/intended behavior nevertheless (known
> bad rom or something) or did i do something wrong on rebuilding?
That message simply states that there is either known "bad dump", "nodump" or your CRC's are mismatched in some way. I reckon that the message is showing up because of a particular chip on the rom board has been documented but not been dumped correctly:
007766.20d.bin NOT FOUND (NO GOOD DUMP KNOWN)
It is a harmless message for the end user and the game, as you observed, will run just fine. There are many hundreds of such sets in MAME which will print this but still work as expected simply waiting for new or redumped images for the missing parts.
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Re: Mame 0.139 - Contra (rom incorrect)
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