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05-17-24 12:09 AM
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Acmlm's Board - I3 Archive - ROM Hacking - Fun with Zelda 2
  
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drjayphd
Posts: 1132/1170
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.
Jigglysaint
Posts: 178/179
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.
Ice Ranger
Posts: 80/85
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.
BMF54123
Posts: 830/876
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.
the_icepenguin
Posts: 229/257
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?
Shadic
Posts: 486/528
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.
Darkdata
Posts: 914/983
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
Posts: 482/528
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.
Simon Belmont
Posts: 1405/1773
That is really interesting actually, I defenitely wouldn't think to try it, and would never of thought it'd still make something playable.
Dwedit
Posts: 101/116
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.
Xkeeper
Posts: 5139/5653
Any example of what it does? I don't have a way to swap banks handy
Dwedit
Posts: 100/116
Swap rom bank 1 with rom bank 2. Or in other words, exchange bytes 4010-800F with 8010-C00F. Fun fun!
Acmlm's Board - I3 Archive - ROM Hacking - Fun with Zelda 2


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