Update README.

README.md

@@ -2,12 +2,16 @@
 
 OBoy is a Game Boy emulator written in OCaml.
 
-This project explores the internals of the Game Boy, documenting it along the
-way.
+This project explores the internals of the Game Boy, documenting it along the way.
 It is also an experiment of writing a low-level program in functional language.
 
-# References
+You can find more information on [](http://www.ffreling.com/projects/oboy/)
 
-The main reference so far is the Pan Docs.
+## References
++ [PanDocs (self-hosted copy)](http://www.ffreling.com/projects/oboy/pandocs.html)
++ [GameBoy Emulation in JavaScript](http://imrannazar.com/GameBoy-Emulation-in-JavaScript:-The-CPU)
++ [Opcode Map for the Gameboy-Z80](http://imrannazar.com/GameBoy-Z80-Opcode-Map)
 
-You can find a copy here: [http://bgb.bircd.org/pandocs.htm](http://bgb.bircd.org/pandocs.htm)
+## Acknowledgements
++ Pan/ATX, nocash et al for the PanDocs
++ [Imran Nazar](http://imrannazar.com/)

src/memory.ml

@@ -32,7 +32,7 @@ let get_mem_bank mem addr =
   | x when x < 0xFF80 -> mem.io, x - 0xFF00
   | x when x < 0xFFFF -> mem.hram, x - 0xFF80
   | 0xFFFF -> mem.interrupt, 0
-  | x -> eprintf "Memory access 0x%08X\n" x;
+  | x -> eprintf "Memory access 0x%06X\n" x;
          failwith "Invalid memory range."