struct	TileSNESMode7	# All definitions here are intended to be overriden in code, but provide correctly-sized stubs for programs that don't care
64 of u8	data

struct	TileSNESMode7c
32 of u8	data

struct	TileSNES4bpp
32 of u8	data

struct	TileSNES3bpp
24 of u8	data

struct	TileSNES2bpp
16 of u8	data

struct	TileSNES1bpp
8 of u8	data

struct	SNESTritile
24 of u8	data

struct	ColorBGR555
u5	r5
u5	g5
u5	b5
u1	0

struct	ADSR
u4	attack_rate
u3	decay_rate
u1	enabled
u5	sustain_rate
u3	sustain_level