Here I've done a set of overlays for internal palettes last month, especially for "DMG", "GB Pocket" and "GB Light" in some different params, mainly for my trial. I'm LAZY to rewrite the instruction in English, so here is a "readme" below translated from Chinese. Ask me if there are any problems.
Notes on the Pal prefix overlay:
1. All overlays in this article correspond to the "Gambatte" kernel
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2. Pal (Palette) The overlay is dedicated to the GB mode in the "Gambatte" kernel. The pre-settings (that is, the options that need to be turned on for all pal prefix overlays) are as follows:
--Main Menu
---- Settings
--- --- Video (Video)
-------- Aspact Ratio = Core provided
-------- Integer Scale = On
-------- Bilinear Filtering = Off
-------- Custom Aspect Ratio "Width / Height" = 3x
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---- Quick Menu
------ Options
-------- Emulated Hardware = "GB"
-------- GB Colorization ( GB coloring) = "internal"
-------- Color Correction Mode = "accurate"
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3. Explanation of the corresponding parameters in the file name:
3.1: Pal_ "DMG; GBP; GBL": Corresponds to the type of Internal Palette;
3.2: "cc": If there is, set "Color Correction" to "always", otherwise set to "gbc only" or "Off";
3.3: "D **": If yes, set "Dark Filter Level" to "Percent **"
Note: Opa * at the end of the file name is the overlay The transparency of the grid lines is for reference only and does not need to be set.
3.4: The corresponding positions of the above settings are as follows:
--Quick Menu
---- Options
------ Internal Palette ) = GB DMG (DMG) / GB Pocket (GBP) / GB Light (GBL)
------ Dark Filter Level = Percent *
------ Color Correction = Off / always
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