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 ## Documentation
-- [Game Boy Programming Manual](http://www.chrisantonellis.com/files/gameboy/gb-programming-manual.pdf) - **Official Game Boy** programming & hardware manual by Nintendo. Pretty much everything in the console is covered and explained in this manual. This should be your first and main resource to start understanding what game boy is.
+- [Game Boy Programming Manual](https://archive.org/download/GameBoyProgManVer1.1/GameBoyProgManVer1.1.pdf) - **Official Game Boy** programming and hardware manual by Nintendo. Pretty much everything in the console is covered and explained. This should be your first and main resource to start understanding what Game Boy is.
 - [The Cycle-Accurate Game Boy Docs](https://github.com/AntonioND/giibiiadvance/blob/master/docs/TCAGBD.pdf) - A precise documentation by AntonioND to make a cycle-accurate Game Boy emulator.
 - [Game Boy: Complete Technical Reference](https://gekkio.fi/files/gb-docs/gbctr.pdf)
 - [Pan Docs](http://gbdev.gg8.se/wiki/articles/Pan_Docs) - The single most comprehensive technical reference to Game Boy that is available to the public, wikified and updated. Also [archived](http://bgb.bircd.org/pandocs.htm) on BGB's website.