SegaXtreme

My game requires six sprites for the main character. I currently have them in TGA format. Each sprite is 32x64, ~8.3kb each, or 50kb for all six sprites. According to jo_sprite_usage_percent(), I am using 6%. I want 12 player support so 12 x 6% = 72% in just the main characters. I would prefer not to do palette swaps.

What is the best strategy for reducing the VRAM usage? In two of the sprites I have vertical symmetry so I can implement that. Is there a compressed format I can use with jo engine? I saw a reference for jo_sprite_add_8bits_image(), but I'm not sure what file format they are referring to or how to call that API. Doing the math it appears my sprites are currently using 4-bits per pixel.

Thanks in advance.
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