added note about exact pip and brew commands I used

README.md

@@ -35,6 +35,12 @@ ApplePy currently requires Pygame (although there is a minimal applepy_curses.py
 that uses curses to display text mode only) and numpy (just for an array for
 speaker sounds)
 
+Here's how I set up the dependencies (on Mac OS X 10.8):
+
+    pip install numpy
+    brew install sdl sdl_image sdl_mixer sdl_ttf portmidi hg
+    pip install hg+http://bitbucket.org/pygame/pygame
+
 
 License
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