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Importing 4bpp bitmap into yy-chr?
Forum Index - SMW Hacking - SMW Hacking Help - Importing 4bpp bitmap into yy-chr?
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I'm trying to create custom title graphics, and I've created my own title text in photoshop. I've exported it as a 4-bit bitmap so I can then save this as a .bin GFX file in yy-chr but when I open it in yy-chr, everything is a nonsensical mess. I've tried every 4bpp graphic format and none of them produce meaningful 8x8 tiles.

The bitmap I created is 128x64, I don't know if this is right but I made it that so it fits the 128x128 grid in yy-chr. All the text fits the image perfectly. Is the size wrong, or if not then what could the reason be/what am I doing wrong?


The SNES 4bpp format is a different from the standard bitmap format, so you can't just convert it like that. Instead, it's recommended you use SnesGFX or Lunar Magic's built-in converter to convert an image to SNES graphics.

Professional frame-by-frame time wizard. YouTube - Twitter - SMW Glitch List - SMW Randomizer
Originally posted by Thomas
The SNES 4bpp format is a different from the standard bitmap format, so you can't just convert it like that. Instead, it's recommended you use SnesGFX or Lunar Magic's built-in converter to convert an image to SNES graphics.

I didn't even know LM had a BMP converter, but even if it didn't have to be activated, I probably still wouldn't have found it haha. I tried SnesGFX though and it worked great!

On a slightly different topic, are the original 8x8 tiles for the title text supposed to be jumbled like This? It makes replacing them with my tiles much harder since some of them are very tricky to spot among the mess. It also doesn't make much sense considering some of the other tiles are ordered nicely.


Originally posted by JamesD28
On a slightly different topic, are the original 8x8 tiles for the title text supposed to be jumbled like This? It makes replacing them with my tiles much harder since some of them are very tricky to spot among the mess. It also doesn't make much sense considering some of the other tiles are ordered nicely.

Yep, I actually made an image a while back to help with that:



The tiles highlighted in green are used by the original title screen. If you don't plan on using the original, they're all safe to edit. The tiles highlighed in red should be avoided though, as they're used on the overworld.

Professional frame-by-frame time wizard. YouTube - Twitter - SMW Glitch List - SMW Randomizer
Worked great, thanks so much!
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