NES Tile Attributes

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Main - ROM Hacking - NES Tile Attributes

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boingboingsplat

Posted on 12-26-08 12:44 AM (rev. 2 of 12-26-08 12:57 AM)

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So yeah, I'm chugging along with my NES hacking, but now I've run into a problem.

As you can see, I have successfully edited the tilemap of my title screen. I don't know how to do is edit the attributes of the lower 2 rows of 8x8 tiles. (Specifically to make them use palette 0x1 and to horizontally flip the last two 8x8 tiles on the right side.)

I know that the data is located somewhere inbetween 0x036592 and 0x0365D1, so that isn't the problem. What I don't know is the format these attributes are in so that I know what to change. Is it similar to the SNES where it is something like the YXPCCCTT format? Or is it something completely different?

Edit: Well I figured out how to do what I wanted through trial and error. Any information would still be appreciated, though.

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RT-55J

Posted on 12-26-08 01:29 AM

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IIRC, the NES doesn't actually support flipping background tiles.

boingboingsplat

Posted on 12-26-08 01:35 AM

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	Posted by RT-55J IIRC, the NES doesn't actually support flipping background tiles. I simply made two more tiles to solve that problem, I had enough room. ____________________

Kiokuffiib11

Posted on 07-21-09 06:53 PM

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I've read up on palette editing, if that's what you're aiming for.

This site is awesome for rom hacking info: http://www.nesplayer.com/database/info/emulation/doc/romdoc.html

Basically you take an emulator like NESTICLE, and look at the pallette for what you're wanting, Use a hex editor like windhex, and search for the value, use the chart afterward to change the value to something you want colour wise.

I understand the concept myself, but, I'm going to be putting it to the test pretty soon.

NESTICLE can also show you what different types of palettes there are on the tile editor built in.

If you're going for a quick graphics fix, I recommend Tile layer pro.

Some people recommend YY-char. Whilst it DOES show things in tile order, I prefer TLP because you can arrange the tiles on the side, and put them down in other order.

If you're talking about the order the tiles are on the screen (If you want to rearrange the order), you need to use FCEUX and the debug/name table viewer (mode) to find the values of each tile. Then you search up the value on windhex or any other good hex editor, and rearrange the order to how you want it.

Or alternatively you can use the Nintendulator program and debug/turn on tile numbering. That's a lot quicker way to find the hex values, and alot more exact. Take a screen shot of that (Prt screen), then put it in paint/photoshop, then hex edit it like I said before in the other example (I speak from experience on this one).

I hope this helps. If you'd like to get a hold of me, E-mail me at Kiokuffiib11@Hotmail.com

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