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Main - ROM Hacking - Super Mario Bros. 2 Title Editing New thread | New reply


Cheesewig
Posted on 10-11-11 08:12 PM Link | Quote | ID: 147940


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Hello!

Can anybody help me edit the title screen in Super Mario Bros. 2?

Thanks!

Trelior
Posted on 10-11-11 08:13 PM (rev. 2 of 10-11-11 08:18 PM) Link | Quote | ID: 147941


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All I know is to use Tile Layer Pro to modify the graphics on screen, which is pretty basic.

As for the layout of the title screen, you'll need to edit the data values in hex. I can't help you there.

Also, moved to the proper forum.

Cheesewig
Posted on 10-11-11 10:04 PM Link | Quote | ID: 147948


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Well I tried that but it didn't work...

Insectduel
Posted on 10-11-11 10:10 PM Link | Quote | ID: 147949


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Posted by Cheesewig
Well I tried that but it didn't work...


You need to learn this because this applies to all NES hacking. If you're using an FCE Ultra emulator, you're on a right track. Then use the PPU Viewer during gameplay. What's tricky is finding the palette swaps with tile flipping so it depends how it's set up.

Cheesewig
Posted on 10-11-11 10:15 PM Link | Quote | ID: 147950


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Posted by Insectduel
Posted by Cheesewig
Well I tried that but it didn't work...


You need to learn this because this applies to all NES hacking. If you're using an FCE Ultra emulator, you're on a right track. Then use the PPU Viewer during gameplay. What's tricky is finding the palette swaps with tile flipping so it depends how it's set up.


Can I somehow draw the graphics somewhere else and make the game load that?

Insectduel
Posted on 10-11-11 10:19 PM Link | Quote | ID: 147951


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Yes, it's called tile editing. Which you can draw tiles to make the game load by Tile editor. Tile Layer Pro and YY-CHR are pretty popular to use.

Cheesewig
Posted on 10-11-11 10:21 PM Link | Quote | ID: 147952


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So How could I change the tile arrangement? (Which tiles go where)

Insectduel
Posted on 10-11-11 10:25 PM Link | Quote | ID: 147953


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Tile arrangement isn't on your level, if you want to arrange the tiles, then I suggest you download a hex editor and know your tile numbers and where it loads from.

Cheesewig
Posted on 10-11-11 10:27 PM Link | Quote | ID: 147954


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I have a hex editor and I know ASM if that helps!

Insectduel
Posted on 10-11-11 10:42 PM Link | Quote | ID: 147955


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You may have know these things but if rather design a title screen, it's going to take a lot of process. Drawing is one thing by CHR, but redesigning them in a proper way can be a challenge.

If you're going to rearrange them, not if you need to know the tile numbers but you need dump the rom data itself. Perhaps the FCEU's code data logger. One frame can find what you're looking for within the whole level.

Cheesewig
Posted on 10-11-11 10:49 PM Link | Quote | ID: 147956


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What should I do in the code data logger?

Insectduel
Posted on 10-11-11 11:17 PM (rev. 2 of 10-11-11 11:18 PM) Link | Quote | ID: 147957


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You just do ANYTHING especially if you're looking for music data! For title screens while the code/data logger is activated, JUST RESET the GAME. If you opened your FCEUX's hex editor, you'll noticed the highlighted blue meaning that the code has been found. Another is to save as "Stripped NES ROM" which saves the ROM with the data only been logged which is easier for me and open that file with another hex editor. Find the specific search with that rom.

There are other tools to find it, but this is all I can give you!

Cheesewig
Posted on 10-11-11 11:23 PM Link | Quote | ID: 147958


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Ooo... How can I use it to find tile numbers?

Kawa
Posted on 10-12-11 02:48 PM Link | Quote | ID: 147963


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Posted by Cheesewig
Ooo... How can I use it to find tile numbers?
In the PPU viewer, as has been mentioned before.

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Cheesewig
Posted on 10-12-11 08:54 PM Link | Quote | ID: 147970


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I've done that, what next?

Kawa
Posted on 10-12-11 08:58 PM Link | Quote | ID: 147971


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Look in the SMB2 ROM for a set of hex numbers that match the title screen layout, using the PPU viewer as a guide. When you think you've found the data, make a backup copy of your ROM and change a couple bytes around. Reload the game and see if there's anything different to it. If there is, you probably found the title screen data. Now use the PPU viewer's tileset window and your hex editor to edit the title screen.

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Cheesewig
Posted on 10-12-11 09:00 PM Link | Quote | ID: 147972


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When I edit the values it changes a whole side of the screen.

Kawa
Posted on 10-12-11 09:03 PM Link | Quote | ID: 147973


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You're on the right track. Try editing a single byte to a bunch of different values, see what happens.

Seriously though, you shouldn't be afraid to experiment a bit and learn for yourself how the title screen is stored. Especially not if you "know ASM" as you said.

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Cheesewig
Posted on 10-12-11 09:08 PM Link | Quote | ID: 147974


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Well thanks everyone because I removed the plants!
It's small but on this step I can go far!

Thanks!

Cheesewig
Posted on 10-14-11 08:07 PM Link | Quote | ID: 148015


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I have one last question. How do I edit the title data to point to a different rom location where I drew my new graphics? (I have made a Title Simulator so far!)

Main - ROM Hacking - Super Mario Bros. 2 Title Editing New thread | New reply

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