Inside Buster
A closer look at the art stored on one X68000 floppy.
28 source image records: the title, eight character and boss sheets, seven background tile sheets, and twelve stage map views. Choose an image to enlarge it, inspect original sprite palettes or download the PNG.
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From tiles to a world
Sprite and background sheets store 16 × 16 pixel tiles. The maps place those tiles in the order recorded on the disk: 408 × 20 cells for the scrolling foreground and 16 × 16 cells for the repeating background. These are raw map layers; gameplay adds characters, scrolling and display cropping.
Sprite palettes can change in the game. The viewer offers the original nonblank palette banks rather than guessing one color assignment for every enemy. Black index-zero pixels are retained. Read the original file and palette references.