My Macbook mid 2010 (OS X v10.8.4) gets between 15 - 45 FPS in-game (Pokemon Colosseum) for Dolphin on a 2.4GHz Intel Core 2 Duo CPU and Nvidia GeForce 320m GPU.
I've get the same firmware (6.2.0-12E) and every DS game works.
Pokemon Pearl
Pokemon Platinum
Pokemon HeartGold
Pokemon Black
Pokemon White
New Super Mario Bros.
42 All-Time Classics
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