start working on battle interface

asm/battle_controller_opponent.s

@@ -5621,7 +5621,7 @@ sub_8062294: @ 8062294
 	ldrb r1, [r1]
 	str r7, [sp]
 	mov r2, r8
-	bl sub_807294C
+	bl SetBattleBarStruct
 	b _0806234E
 	.pool
 _08062324:
@@ -5643,7 +5643,7 @@ _08062324:
 	ldrb r1, [r1]
 	str r7, [sp]
 	movs r3, 0
-	bl sub_807294C
+	bl SetBattleBarStruct
 _0806234E:
 	ldr r1, =gBattleBankFunc
 	ldr r0, =gActiveBank