The Legend of Zelda: Ocarina of Time, Vol. 2 [Akira Himekawa] on Amazon.com. *FREE* shipping on qualifying offers. After completing his training Link begins his journey to find the remaining Sages. Meanwhile, Ganondorf continues looking for Princess Zelda and plotting to capture Link with the aid of the witches known as Twinrova.
HCS Forum - Is there a way to compress the N64 ROMs to the 'romc' format? Is there a way to compress the N64 ROMs to the 'romc' format? By at 8:23 AM EDT on April 13, 2011 AFAIK, the romc compressor made by jurai back in 2009 has a lot of bugs and doesn't work correctly, so it is not an option. Is there any other alternative to that program that really does work?
The romchu program from HCS does a pretty good work at decompressing the romc files from the N64 VC releases, but it lacks the ability of compressing existing files to that format. By at 8:26 AM EDT on April 13, 2011 I wasn't aware that the old compressor didn't work well, I was told that it produced 1:1 the original files. When I get some time (this weekend is the most likely) I'll take a crack at it. By at 12:04 PM EDT on April 13, 2011 Here's the original thread in ElOtroLado: And no, it really doesn't produce 1:1 files, and has a lot of discrepancies with the file sizes:(. For example, take the romc file from the SSB64 VC release, decompress it to a.n64 file with your utility and then compress it back to a romc file using the jurai's utility; you'll see it's just not the same: 12MB vs 14MB. The same thing happens if you compare the uncompressed ROMs with a hex editor: they're way too different.
What I mean is, the tool from jurai it's just great, but it doesn't work as it should. I hope you figure this out. Thanks in advance C: by at 11:07 PM EDT on April 13, 2011 Well my utility is for type 2, the existing compressor is just for type 1, so you wouldn't expect it to be the same. It should still decompress fine, though, the VC decompressor supports both methods.
What I meant was that a type 1 ROM would be recompressed to the same thing. Maybe that isn't the case. Edited 11:08 PM EDT April 13, 2011 by at 1:53 PM EDT on April 17, 2011 Did you find anything useful? By at 7:59 PM EDT on April 17, 2011 I haven't gotten around to looking at it yesterday, various other projects have sucked up my weekend. By at 7:12 PM EDT on April 18, 2011 No prob, just take your time. By at 6:44 PM EDT on May 4, 2011 Well, it seems you were right after all: the Jurai's compressor works very well with type 1 romc files (it really can recreate a 1:1 romc file). But it still fails at compressing some other ROM's (for example, wrong sizes or game injections that just don't work no matter what you do).
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I don't know if this is a problem with the compression routines rather than the program itself. That's exactly why I asked you if it was possible to crack the type 2 compression, to see if it works better than this one.
I'll still wait in case you have some news. Edited 7:23 PM EDT May 4, 2011 by at 4:57 PM EDT on May 8, 2011 As I haven't had a chance to work on the compressor, here's something quick you can try. While I was reversing type 2, I noticed there was a type 0 that seems to be uncompressed. Here's a program that takes a file and adds a type 0 header, I think: by at 8:30 PM EDT on May 8, 2011 Tested it with a few games; it seems the only difference after using the compressor is that four bytes are added to the header. I got different results with every game: '02 00 00 00' - Super Mario 64. '03 00 00 00' - Star Fox 64 and Mario Kart 64. '04 00 00 00' - Super Smash Brothers.
'08 00 00 00' - Zelda Ocarina of Time. '0A 00 00 00' - Paper Mario. Is this header value generated randomly or does it depend of the file size of the used ROM? (sorry, I don't understand very well the source code). Maybe this type 0 romc is the one included in the oldest VC releases that doesn't have any compression.
I'll do some comparations and notify you if I see something the matter. Go to Page 0 Reply to this thread: User Name Tags: bold: bbold/b italics: iitalics/i emphasis: ememphasis/em underline: uunderline/u small: smallsmall/small: url=img=Password Subject Message Generated in 0.0026s.