Press 1, 2, 3 or 4 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. Mario: redacted
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.
