ref: 2eabbc26a905aec8a1794140fdf72e692749aa43
dir: /engine/overworld/daycare_exp.asm/
IncrementDayCareMonExp: ld a, [wDayCareInUse] and a ret z ld hl, wDayCareMonExp + 2 inc [hl] ret nz dec hl inc [hl] ret nz dec hl inc [hl] ld a, [hl] cp $50 ret c ld a, $50 ld [hl], a ret