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PRNG Randomness fix (GS2, version 2)
GS2PRNGfixV2.ips
Filesize: 110B  Views: (559)  Downloads (76)  Last Download: Yesterday at 03:47:32 AM 
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Description: We all know (and have a love/hate relationship with, at least for the most part) Golden Sun's broken and/or easily manipulatable random number generator. This IPS file aims to patch that so the prng is both essentially unmanipulatable (at least without codes/forcing it to certain values via ramhacking...), AND is more uniformly random (meaning better AI capabilities for enemies!).

As of this version, both of those features are already in, but it still needs testing done on it to determine how much more random it actually is compare to vanilla --- and whether any further adjustments are necessary. Hence me posting it here for more viewers / users than just on the discord.

edit: Just for transparency's sake, this code adds an additional prng formula setup (based off the one at 08014878 in ROM, with the additional code tagged on at the start) in a minor amount of free space at 080C9620. This is pointed to by an adjusted pointer at 080CA09C that will call it instead of 08014878.

Note that this ties the reseeding to the first directional movement input made after every new room load / battle won; while this much is functional + does not break the game, I cannot stress enough that this IPS still needs testing done on it to confirm the changed randomness works as intended.


Edit2: after a fair amount of testing I discovered a potential bug (dunno whether it would be a problem or not in actuality, but better to remove it / rerandomize it than be sorry down the line) I've updated the reseeding formula in the .ips (and reupped the DL with this change).

Cheers! Venus Djinni Set
Keywords: GS2, PRNG 
Posted by: Guest September 25, 2018, 07:53:13 PM

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Cbox
April 18, 2019, 01:18:08 AM
Fox: Thinking.... meme topics.....    Isaac: Stop calling me a sack! Also, don't call me sick either!
April 03, 2019, 08:24:45 PM
Fox: Really don't see the point in the Crystal or even the crown conversation, but whatever... (I mean, if you want to do it, then just do it. - Doesn't need to be at GSHC, because there are no longer clan leaders at GSHC.)
April 03, 2019, 03:59:33 AM
squizzy44: We all need to band together to take down Crystal.
April 02, 2019, 12:00:09 AM
Fox: Your clan?  You can't edit it manually, so you have to tell an admin so they can do it. There's actually a topic for when you pick a clan... but uhh... I've no idea if an admin will see it via that, though. (Kain will certainly see id you ping him on GSHC Discord.)
April 01, 2019, 05:28:42 PM
squizzy44: How do I change my position on my profile? I haven't used the site in nearly 10 years...
March 31, 2019, 10:10:15 PM
Fox: I still wonder if a Tret glitch for speedrunning exists... I don't think I looked into if the PC was on one of the other layers. (Which basically the second layer edits @-0x200 instead of @-0x100... in the event you are going up (y-axis) out of bounds.) Hm.
March 31, 2019, 06:18:43 PM
Fox: Not me.
March 31, 2019, 02:59:38 PM
Salanewt: I don't know of any, although if there were then we'd have to send it as a patch file. I think someone is working on it at least!
March 29, 2019, 07:51:48 PM
MaxiPower: no such thing exists
March 26, 2019, 03:38:42 AM
reeZ931: I would really appreciate it 
March 26, 2019, 02:39:38 AM
reeZ931: Anyone have a golden sun rom where you can play as saturos and menardi properly? 
March 25, 2019, 09:31:15 PM
Fox: It would explain why everyone leaves so quickly after taking our bananas.
March 24, 2019, 10:36:10 PM
Fox: Wouldn't bananas increase agility the more you have? Like... Diddy Kong Racing reference.
March 22, 2019, 11:19:11 PM
Average Wind Seer: Banana: Restores 50PP to user. Restores 40PP to Isaac if Jenna uses this item.
March 22, 2019, 09:57:53 PM
Salanewt: Lol. I mean, I am thinking of adding a banana item to GS so...
March 22, 2019, 09:48:42 PM
Fox: Ooh! Sala's back!  I think he wants a banana.  All this banana talk must have attracted him.
March 22, 2019, 08:56:52 PM
Fox: :O I just notice I have no Coins to buy bananas with! (You know, the coins feature this forum has.)
March 04, 2019, 08:45:44 PM
Fox: Aw.  I kind of want to suggest dressing up in a banana costume.  No wait, that's a bad idea.
March 04, 2019, 04:24:10 AM
Average Wind Seer: *angry gorilla noises that roughly translates to "Stay the [redacted] off my island and don't touch my [redacted] bananas"*
March 04, 2019, 03:06:07 AM
Fox: Gosh. This is like playing whack-a-mole! What's taking you so long with the bananas?! :D

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