ref: d48a318dbf4b9e07da57980adb5894f5eadb11f7
dir: /engine/overworld/turn_sprite.asm/
UpdateSpriteFacingOffsetAndDelayMovement:: ld h, HIGH(wSpriteStateData2) ldh a, [hCurrentSpriteOffset] add $8 ld l, a ld a, $7f ; maximum movement delay ld [hl], a ; x#SPRITESTATEDATA2_MOVEMENTDELAY dec h ; HIGH(wSpriteStateData1) ldh a, [hCurrentSpriteOffset] add $9 ld l, a ld a, [hld] ; x#SPRITESTATEDATA1_FACINGDIRECTION ld b, a xor a ld [hld], a ld [hl], a ; x#SPRITESTATEDATA1_ANIMFRAMECOUNTER ldh a, [hCurrentSpriteOffset] add SPRITESTATEDATA1_IMAGEINDEX ld l, a ld a, [hl] ; x#SPRITESTATEDATA1_IMAGEINDEX or b ; or in the facing direction ld [hld], a ld a, $2 ; delayed movement status ld [hl], a ; x#SPRITESTATEDATA1_MOVEMENTSTATUS ret