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Hello all! I noticed I had this little tool laying around which makes editing pallets in a hex editor a lot easier. You can type in a standard RGB value and it gives you the Gameboy RGB value to use for it, and it also has sliders to let you select and preview a colour if you want to do it that way. The only thing I can say is a "bug" is that the lighter and darker buttons are labeled backwards, but you'd figure that out on your own by looking at it.
Anyway, here is a screenshot:
And here is an updated download link:
http://www.mediafire.com/?fzt2azqq6xg7fa4
Last edited by Mateo (2013-05-28 07:27:18)
I am not very active on this forum. I only pop in from time to time.
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Nice tool, most except the Info button works. And I'm wondering why F8 is the highest possible value that can be selected...? It's a bit weird because FF is much more used for palettes in the game.
Edit: I'm not quite sure if it's bug or if it's supposed to be but why is the final palette hex value only changing by changing the colors in steps of 8? Which calculation formula are you using?
Last edited by tekcoR (2011-08-13 12:32:00)
Cya
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Since the GBC has only 5 bits per color channel (RGB555), and "traditional" computer color (RGB888) has 8 bits, this results in a loss of precision when converting from RGB888 to RGB555.
The usual formula is color5b = color8b >> 3. Therefore, the 5 bit color will only change when the 8 bit color changes by at least 8.
In converse, this means that every 5 bit color value actually maps to 8 distinct 8 bit values. Usually, the lowest bound is used via the formula color8b = color5b << 3.
cYa,
Tauwasser
Last edited by Tauwasser (2011-08-13 13:03:04)
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I would say post it here. And just to clarify, this is not a tool I made, this is one made by MeanMrMustard that I happened to have lying around. I do not have the source code so I cannot make any changes to it, so your version would be greatly appreciated.
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Here it is. It contains the source, too (it's in VB6, though).
EDIT: I uploaded an older incomplete version so now I removed the link. Look the newer post for the correct link.
Last edited by Sawakita (2011-08-13 20:46:33)
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cool ill try to figure out how this thing works
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I prefer PaletteEd GB significantly. It has very easy shortcuts for copying and overwriting palettes in a rom and a colour picker tool, too.
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Why don't you try clicking Tools->RGB Colour Picker
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Updated the first post with a new link to the tool it talks about.
I am not very active on this forum. I only pop in from time to time.
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How to use this and what are palletes ?
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