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1 user currently in Rom Hacking:  hukka |
| Acmlm's Board - I2 Archive - Rom Hacking - Snes audio possibilities? |
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Omega45889 Panser Level: 30  Posts: 97/335 EXP: 148978 For next: 16891 Since: 03-22-04 From: Vancouver Canada Since last post: 5 days Last activity: 6 hours |
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| Does the SNES audio run off of SPC files? Also, if I have an SPC file, is there a way to insert it into a different game, or port it over into say, Zelda 3 using HM? |
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Weasel Missionary in PeruLevel: 34  Posts: 335/454 EXP: 236444 For next: 17207 Since: 03-15-04 From: Washington Since last post: 467 days Last activity: 339 days |
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| Audio run off of SPC files? No, SPC700 (i think) is the sound processor or something in the snes carts. And, no, you cannot simply insert an SPC file into a different rom. Most roms use different sound engines. Like SMAS and SMW are different. The only way to stick a song in like that is if you overwrote the rom's sound engine with the other rom's. Bouche did this with SMW (he called it Demo World 3), but from what I understand, it wasn't exactly the easiest feat. |
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MathOnNapkins Math n' Hacks Level: 67  Posts: 220/2189 EXP: 2495887 For next: 96985 Since: 03-18-04 From: Base Tourian Since last post: 1 hour Last activity: 32 min. |
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| It should be understood that an spc file is actually a memory dump of the SPC at a given time, much like a savestate (which typically have spcs saved within them.) The data in the file is not so much musical information but a program with instructions on how to play the samples, which are also in the file. Depending on how your rom interfaces with the SPC, i.e. how it selects certain features, the spc file you wish to use might not be compatible and you'd have to tweak things a lot. |
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Prier Archangel Administrative Priestess. NUCLEAR SUB WEEEOOOO Level: 119  Posts: 691/8392 EXP: 18790939 For next: 138352 Since: 03-15-04 From: Nerima Dist. - Tokyo, Japan Since last post: 1 day Last activity: 1 day |
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Originally posted by MathOnNapkins Such as Wolfenstein 3D or anything by Compile (i.e. Puyo puyo, Nazo Puyo, Kirby's Avalanche)?  I don't think I've seen a stable SPC set of those yet.(edited by Hiryuu on 05-20-04 12:38 PM) |
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Ed Lantern Ghost Level: 42  Posts: 294/761 EXP: 512715 For next: 8647 Since: 03-16-04 From: Dublin, Ireland Since last post: 215 days Last activity: 25 days |
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| If you need music help, maybe ask DJ Bouche. He may not do it though, because he's always getting asked to "Put this music here" or "Change that music to this" so asking politely is key. | |||
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Omega45889 Panser Level: 30 Posts: 98/335 EXP: 148978 For next: 16891 Since: 03-22-04 From: Vancouver Canada Since last post: 5 days Last activity: 6 hours |
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| So, this DJ Bouche knows how to switch around SNES music information? Cause I am making a Zelda 3 hack, and since its gonna be completely different, I would like to have some different music if possible. It would most likely just be music from other SNES games inserted into Zelda. Oh well, I got a while to figure this stuff out. |
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Dish Spiny Level: 38 Posts: 64/596 EXP: 355646 For next: 14801 Since: 03-15-04 From: Disch Since last post: 18 days Last activity: 18 days |
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| A common misconception associated with game music files (like NSF/PSF/SPC/etc) is that you can just take the music from one game and slap it in the other like you can with graphics. What a lot of people don't understand is these files aren't just music data... they're fully self-managing executables. SPC players don't just read data from the spc file and stream it... they emulate the SPC chip (like a SNES emulator emulates SNES roms). Wanting to take music data from an SPC from game A and slapping it in game B is like wanting to take a portion of the game engine from game A and slapping it in game B. While technically it can be done (and if you know what you're doing... it's very possible)... but it's not a copy/paste job. Music format varies from game to game just like level data. Not to mention how and when the music code is loaded. Hacking SNES music is not any easier than hacking music for any other system (which most people will tell you is rather difficult). If anything... I'd say that hacking SNES music is harder... since the music files you have available (SPC) don't necessarily exist in the ROM as they appear in the spc file. Whereas with other systems (like NES)... the NSF file is game code ripped straight from the ROM... so if you can change the NSF to play different music, you can copy/paste your changes to the ROM file. |
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Vystrix Nexoth Level: 30 Posts: 145/348 EXP: 158678 For next: 7191 Since: 03-15-04 From: somewhere between anima and animus Since last post: 3 days Last activity: 2 days |
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| right. my guess is that the SPC memory is analogous to the name tables in an NES game: while the end-result format is always the same (so that the PPU/SPC700/whatever can understand it), how it's stored in the ROM and how the end-result is generated from that data is different from game to game (and sometimes different from different parts of the same game) -- only the end result is the same. | |||
jonwil Goomba Level: 9 Posts: 1/25 EXP: 2989 For next: 173 Since: 04-09-04 Since last post: 85 days Last activity: 81 days |
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| if you want new music for Zelda 3, you could always just use the music editor in Hyrule Magic. Taking music from another game is not possible (unless you do a lot of work like Bouche did with Mario Allstars music in Mario World. |
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Omega45889 Panser Level: 30 Posts: 99/335 EXP: 148978 For next: 16891 Since: 03-22-04 From: Vancouver Canada Since last post: 5 days Last activity: 6 hours |
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| OK, but the music editor in HM sux. And I would have to figure out how to use it, which wont be fun. | |||
Keitaro Iron Knuckle ウラシマ ケイタロウ Level: 54 Posts: 307/1342 EXP: 1201569 For next: 32301 Since: 03-15-04 From: Hinata, Japan Since last post: 2 days Last activity: 2 days |
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| then you my friend are one lazy ass and I swear if I had a dime for every person that asked this sort of question... |
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iamhiro1112 Armos Level: 35  Posts: 8/487 EXP: 259927 For next: 20009 Since: 03-27-04 From: sd Since last post: 18 days Last activity: 7 days |
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| So, where caN I get this SMW music hack? It sounds pretty cool. | |||
Atma X Bandit Level: 43  Posts: 197/801 EXP: 553639 For next: 11407 Since: 03-16-04 From: Derrière vous!!! Since last post: 43 days Last activity: 14 days |
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| http://home.comcast.net/~atma-x/Super_Demo_World_3.zip To apply the IPS Patch, use the original SMW game, not DemoWorld 1 (the IPS I downloaded required you to patch it to DemoWorld 1, so I decided to make it a simpler process). Do not delete the .msc file that comes with it, that is a complete list of the Song Names that you'll see while viewing the Game in Lunar Magic (which I took the time to make). I've also included a Cheat File that has a lot of unique Codes that some of you may not have (delete this if you want), and I've included an .srm (Save File) to start you the end of the game (so it's easier to access all of the levels). (edited by Atma X on 05-26-04 05:50 PM) |
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iamhiro1112 Armos Level: 35 Posts: 18/487 EXP: 259927 For next: 20009 Since: 03-27-04 From: sd Since last post: 18 days Last activity: 7 days |
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| Oh, I always thought that what is your buisiness in canada was your responce. LOL. Thanks for the info. (edited by iamhiro1112 on 05-26-04 11:04 PM) |
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Atma X Bandit Level: 43 Posts: 207/801 EXP: 553639 For next: 11407 Since: 03-16-04 From: Derrière vous!!! Since last post: 43 days Last activity: 14 days |
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| Note: These hacks can also be aquired in the "Super Mario World Hacking" section of the Board. I decided to post the SMB1 Music Hack in this Thread as well, as it will give people a higher chance of finding it (I originally found the request for the Hacks in this Thread). The SMB1 Music Hack has SMB1 and SMB3 Songs and the Underground song from SMB2. And the Star song is screwed up (it sounds like some of the instruments might have been changed) Ok, here it is. http://home.comcast.net/~atma-x/SMB1_Music_Hack.zip Edit: Here are a couple of Song Pointers that are not editable in Lunar Magic (use a Hex Editor to change these). 1.Title Screen Address: 18C7 2.After Beating a Boss (while Castle is showing) Address: 16B3 (edited by Atma X on 05-27-04 05:08 PM) |
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