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GoldenEye 007 Nintendo 64 Community, GoldenEye X, Nintendo 64 Games Discussion
GoldenEye Cheats, GoldenEye X Codes, Tips, Help, Nintendo 64 Gaming Community
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madmax386
Agent
Joined: 30 Apr 2008
Posts: 196
Location: New Zealand
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 Posted: Sat Nov 10, 2012 5:43 pm Post subject: unbyteswapped Perfect Dark rom |
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how can i check if my rom is unbyteswapped?
or how can i do it on the ge setup editor?
is it the same process as flipping a GE rom? |
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zoinkity
007
Joined: 24 Nov 2005
Posts: 1729
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| Posted: Tue Nov 27, 2012 6:38 am Post subject: |
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It's the same for any N64 ROM.
You'll probably just want to use the editor to do it for you.
You can check with a hex editor otherwise; every two bytes are backwards, so the name will be muddled up.
_________________
(\_/) Beware
(O.o) ze
(> <) Hoppentruppen! |
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SubDrag
Administrator
Joined: 16 Aug 2006
Posts: 6171
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| Posted: Tue Nov 27, 2012 6:51 am Post subject: |
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| The editor can do it - Tools -> Trim/Flip Tools -> Check Flipping or something like that. |
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Kerr Avon
007
Joined: 26 Oct 2006
Posts: 920
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| Posted: Fri Nov 30, 2012 9:38 am Post subject: |
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| What is the point of having a byte-swapped ROM? What purpose does it serve? |
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zoinkity
007
Joined: 24 Nov 2005
Posts: 1729
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| Posted: Fri Nov 30, 2012 10:34 am Post subject: |
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Has to do with the most popular copiers originally used to extract ROMs.
Natively all cartridges are not byteswapped. The short number 0x10 would be read 0010.
However, just like intel computers, V64 copier programs read bytes in endian mode, back to front. In particular, it's reading little-endian, meaning every two bytes are backward. In this case, the short number 0x10 is read 1000. The V64 had a full OS and read disks, so order was rather important on its own end.
That said, pretty sure the Z64 spit out native. GS does too.
So, it's largely historic. Nowadays there's really no reason whatsoever that all ROMs shouldn't be in their native, unbyteswapped format. In fact, I'd go so far to say there wasn't much of a reason back then either short of saving a step in upload/download playing with the byte order.
_________________
(\_/) Beware
(O.o) ze
(> <) Hoppentruppen! |
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