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Main - ROM Hacking - Mapper Converter Question New thread | New reply


Dracula X
Posted on 08-16-15 11:46 PM Link | Quote | ID: 160675


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Before I buy it, do I need "USB copyNES" to convert mappers?

Zieldak
Posted on 08-17-15 12:18 AM (rev. 3 of 08-17-15 12:23 AM) Link | Quote | ID: 160678


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RetroRain can answer that. Until he answers, do not buy it. And I don't think you actually have to buy one, you can do the same with FCEUX's debugger and a hex editor. I think. I'm not an expert.
Oh, and I don't think that board can convert mappers for you.
EDIT: Okay it can change mappers. But I think that only changes something in the header or wherever the mapper type is stored in the ROM. I don't even know what I am talking about.

RetroRain
Posted on 08-17-15 08:19 PM Link | Quote | ID: 160688


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Dracula X, what are you looking to do? Are you looking to do a mapper conversion of a ROM, yourself?

If so, all you need is FCEUX and a separate hex editor.

And I would also get Firebug's mapper document. It has been tremendously helpful in doing mapper conversions.

But if you are looking to convert a ROM to MMC5, I highly recommend using nesdev.wiki's MMC5 page, and not using the info in Firebug's document. I'm not confident with the information in that document pertaining to MMC5. The nesdev.wiki page has a lot more, accurate and detailed information.

I don't know what USB copyNES is, but you don't need it if you are going to do mapper conversions.

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Dracula X
Posted on 08-17-15 08:44 PM Link | Quote | ID: 160689


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Yes! I thought it can convert mappers. I want to try to convert UNROM to mmc5. In mmc5, we can bankswitch anywhere. If that's all I need, then I'm all good.

RetroRain
Posted on 08-18-15 01:33 AM Link | Quote | ID: 160690


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UNROM is the easiest mapper to convert to a different mapper. So yes, I definitely recommend converting an UNROM mapper if this is your first time doing mapper converting. My first mapper conversions were UNROM. Rockman, Ghosts'n Goblins, Rygar, and The Guardian Legend. I converted them to MMC3 though. Then once you get the hang of converting UNROM, you can move onto to other mappers.

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