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04-29-24 05:12 PM
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Acmlm's Board - I3 Archive - ROM Hacking - Fun with Zelda 2 New poll | |
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Dwedit

Rope
フクト オン フォニクス








Since: 11-17-05
From: Chicago!

Last post: 6281 days
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Posted on 01-08-07 06:54 AM Link | Quote
Swap rom bank 1 with rom bank 2. Or in other words, exchange bytes 4010-800F with 8010-C00F. Fun fun!
Xkeeper
Took the board down in a blaze of glory, only to reveal how truly moronical ||bass is.


 





Since: 11-17-05
From: Henderson, Nevada

Last post: 6280 days
Last view: 6280 days
Skype
Posted on 01-08-07 06:54 AM Link | Quote
Any example of what it does? I don't have a way to swap banks handy
Dwedit

Rope
フクト オン フォニクス








Since: 11-17-05
From: Chicago!

Last post: 6281 days
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Posted on 01-08-07 07:11 AM Link | Quote
It swaps the west hyrule area with the east hyrule area, except bank pointers are still pointing to the other areas, so when you leave towns or palaces, it takes you to the corresponding exit in the other area. Oddly enough, enemies function perfectly, except when going to maze island/death mountain.

For good measure, swap VROM banks 1 & 2 as well, that should fix the graphics glitches.

What's big about it is that it reveals a lot about the game's structure, that rom banks 1,2,3,4 contain mainly just data. The only hardcoded difference I've seen so far is that the Y coordinate to trigger the harder battles seems hardcoded, and does not change after swapping the complete data banks.


(edited by Dwedit on 01-08-07 01:13 AM)
Simon Belmont
Except I'm totally fucking hyped about Dracula X: Chronicles.








Since: 11-18-05
From: Pittsburgh

Last post: 6279 days
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Posted on 01-08-07 05:36 PM Link | Quote
That is really interesting actually, I defenitely wouldn't think to try it, and would never of thought it'd still make something playable.
Shadic

The Adventure of Link
Perfect Member








Since: 11-18-05
From: Olympia, Washington

Last post: 6286 days
Last view: 6282 days
Skype
Posted on 01-09-07 01:37 AM Link | Quote
This wouldn't happen to mean that you're still interested in Zelda 2 hacking, eh?

Anyways, I've gotta try this myself, thanks for the tip.
Darkdata

980








Since: 02-25-06
From: Newfoundland

Last post: 6279 days
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Posted on 01-09-07 02:48 AM Link | Quote
How about posting a IPS patch of the banks switched? It would be useful for that lazy/... and well lazy.

However, since that will not be done for a while I guess I will have to go do it myself!
Shadic

The Adventure of Link
Perfect Member








Since: 11-18-05
From: Olympia, Washington

Last post: 6286 days
Last view: 6282 days
Skype
Posted on 01-09-07 05:55 AM Link | Quote
Originally posted by Darkdata
How about posting a IPS patch of the banks switched? It would be useful for that lazy/... and well lazy.

However, since that will not be done for a while I guess I will have to go do it myself!


Make sure to make an IPS of it.
the_icepenguin

Bit








Since: 05-28-06

Last post: 6279 days
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Posted on 01-10-07 04:36 AM Link | Quote
I tried it out....and it didn't work for me.(i most likely didn't do it right)

How's that IPS patch coming along?
BMF54123
WARNING: MOOD LEVEL CRITICAL








Since: 11-18-05
From: MOOGLES

Last post: 6280 days
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Posted on 01-10-07 08:07 AM Link | Quote
Guys, if you want the banks switched, either do it yourself, or talk to someone privately. I'm not going to allow a patch that contains 32-64KB of unaltered, copyrighted ROM data on this board. (Sonic hacks are the sole exception due to the nature of current hacking methods.)

Besides, posting such a patch only encourages laziness, and that's one thing we do NOT need more of here.
Ice Ranger

Grizzo








Since: 11-24-05

Last post: 6289 days
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Posted on 01-10-07 10:08 PM Link | Quote
An IPS is definitely not needed.

I've been messing around with this game for awhile, and I haven't ever thought about doing that (but with those instructions, it should be easy enough with a hex editor). It's sure to be interesting though.

I'm taking a guess according to what's been found that the major data banks are
1)Western Hyrule
2)Eastern Hyrule
3)Towns
4)Palace Type A (1,2,5)
5)Palace Type B (3,4,6)
6)Great Palace

My major question I've been trying to figure out is how the boss' data of Palace 5 works. His data seems to be completely different than the others. I think the same is true about some of the other bosses of Eastern Hyrule, but since this one didn't appear in the FDS version of the game, it was the first I looked into.
Jigglysaint

Octoballoon








Since: 11-19-05

Last post: 6299 days
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Posted on 01-11-07 05:08 AM Link | Quote
Did you check to see if maybe there is a special modifier code for the fifth boss? What I mean is that perhaps what the game does is load up the boss(I think Helmet Head), then perform a check to see what palace number you are in, then if it's the 5th one, replaces said boss with that boss.

Or, it checks to see if the "hard" enemies are checked, and makes the adjustments.
drjayphd

Torosu
OW! BURNY!








Since: 11-18-05
From: CT

Last post: 6282 days
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Posted on 01-16-07 04:11 AM Link | Quote
Originally posted by Jigglysaint
Did you check to see if maybe there is a special modifier code for the fifth boss? What I mean is that perhaps what the game does is load up the boss(I think Helmet Head), then perform a check to see what palace number you are in, then if it's the 5th one, replaces said boss with that boss.

Or, it checks to see if the "hard" enemies are checked, and makes the adjustments.


Helmet Head's the boss for #2, I think. (You mean the one where you'll have two helmets floating around, shooting at you while you're trying to kill the boss?) #5 is the big white guy with the chain hammer.
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