Press 1, 2, or 3 while holding mouse down on a pixel. S to update the Data list, which is your tile as a 3-color bitmap. L to load. Q and W to switch palettes. Link from Legend of Zelda - Link's Awakening: 1111111333331111111111322112311111113322133233111113132111133131111313133331313111131333333331311113223333332231133331131131131113113213113123111321132111123231132213333333321313221313222233131322131311112331113213322233331111133333331123311111133333333311
Currently incompatible with my Gameboy engine. Mostly just for planning out blocks. Why isn't it compatible? Because the original Game Boy just used 4 8x8 squares to display a 16x16 sprite.