Sprite

Sprites are used to display things on the screen using the SNES's "objects". All sprites are made of a number of 16x16 objects. There can be up to 0x20 sprites displayed at a time.

In-memory Sprites

Related RAM addresses:

-98304

Address	Length	Type	Description
$7E:185E	0x280	byte[0x14][0x20]	Sprite table. 0x14 bytes for each of 0x20 sprites.
$7E:1B5E	2	pointer16	Pointer to first sprite in sprite table ($7E:185E).

Sprites in the sprite table have the following format:

Offset	Length	Type	Description
0x00	2	bit field	Sprite properties
0x02	2	int	X position
0x04	2	int	Z position
0x06	2	int	Y position
0x08	4	pointer	Pointer to sprite tile data
0x0C	2	int	Parent entity ID
0x0E	2	int	Sprite type
0x10	2	int	Alternate palette (shifted 9 bits left to align with the tile properties palette)
0x12	2	pointer	Pointer to next sprite

Sprite Properties

Bit mask	Description
0x0001	Sprite entry is used
0x0002	Flip horizontally
0x0004	Flip vertically
0x0008	Priority
0x0010	Use alternate palette
0x0020	?
0x4000	Absolute positioning
0x8000	Visible

Sprite Tile Data

Sprite tile data is generally located in the ROM, and contains the arrangement of 16x16 tiles used to make up the full sprite.

Header

Offset	Length	Type	Description
0x00	1	int	Tile count

Tile data

This data is repeated for each tile (up to "Tile count" from the header)

Offset	Length	Type	Description
0x00	2	int	X position
0x02	2	int	Y position
0x04	2	bit field	Tile properties
0x06	2	int	Tile number

Tile properties

Bit mask	Description
0x0E00	Palette
0x4000	Flip horizontally
0x8000	Flip vertically