Topic: Oracle of Ages

Been playing Zelda Oracle of Ages a bit, and came to the end of the second dungeon.
Here I got the boss key in a room where blobs turn color according to the color of the floor (which changes by jumping ove a special tile in the middle of the room).
But now Im supposed to go back to the room to the west and then north past a regular locked door. Problem is I dont have a key for that and there are no chests left in the dungeon to harbor any keys.
So is this a bug or have I missed something?
Cheers

Just a general Tip, but did you bomb any walls?

Yep, spared no walls with cracks in them But Ill have a crack at it and scour the dungeon for more walls to bomb. However, doesnt the hidden rooms show on the map?

Ive checked the dungeon again, and no more cracks in the walls.
Any thoughts?

Last thing I can think of is to see if there are any blocks you haven't pushed...

Now actually playing Oracle of Ages after I downloaded it when it was first released.

So... I'm going to guess my Life is now less Advanced that is has been before, and you can't have 100% completion because you can't get the GBA ring? (even though I don't think it has a purpose except 100%)
That sucks if Nintendo didn't patch that, or at least fake it by telling the game it's on a GBA (it already has to report to the game it's running on GBC and not GB).

Well, I guess I can get around that when I get to Seasons because I still have my Ages clear password from when I played on real hardware.

You can simply use a password to get that ring.

Even then, don't let the silly rings get in the way of enjoying a great game.