ref: ca01a92880a5d71bce2bec6caa7714c8e1cf0f17
dir: /gfx/pics/horsea/frames.asm/
dw .frame1 dw .frame2 dw .frame3 dw .frame4 .frame1 db $00 ; bitmask db $19, $1a, $1b .frame2 db $01 ; bitmask db $1c, $1d, $1e .frame3 db $02 ; bitmask db $1f, $20, $00 .frame4 db $03 ; bitmask db $21, $22, $23, $24 ; 0xd5a4b