chore: fix bugs

engine/battle/effect_commands.asm

@@ -1399,16 +1399,16 @@ BattleCheckTypeMatchup:
 	ld hl, wEnemyMonType1
 	ldh a, [hBattleTurn]
 	and a
-	jr z, CheckTypeMatchup
+	jr z, .get_type
 	ld hl, wBattleMonType1
+.get_type
+	ld a, BATTLE_VARS_MOVE_TYPE
+	call GetBattleVar ; preserves hl, de, and bc
 	; fallthrough
 CheckTypeMatchup:
-; BUG: AI makes a false assumption about CheckTypeMatchup (see docs/bugs_and_glitches.md)
 	push hl
 	push de
 	push bc
-	ld a, BATTLE_VARS_MOVE_TYPE
-	call GetBattleVar
 	ld d, a
 	ld b, [hl]
 	inc hl
@@ -2083,13 +2083,14 @@ BattleCommand_FailureText:
 	inc hl
 	ld a, [hl]
 
-; BUG: Beat Up may fail to raise Substitute (see docs/bugs_and_glitches.md)
 	cp EFFECT_MULTI_HIT
 	jr z, .multihit
 	cp EFFECT_DOUBLE_HIT
 	jr z, .multihit
 	cp EFFECT_POISON_MULTI_HIT
 	jr z, .multihit
+	cp EFFECT_BEAT_UP
+	jr z, .multihit
 	jp EndMoveEffect
 
 .multihit