ref: 17eaf761e38cea827320f984cfaaa1527276ab15
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