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 - [Assembly Language Programming Course](http://cratel.wichita.edu/cratel/ECE238Spr08) - Machine and assembly language programming concepts that illustrate basic principles and techniques. Application through study of the Z80 chip and Game Boy programming assignments (Center for Research in Arts, Technology, Education, and Learning CRATEL at Withicha State University).
 - [Building a Game Boy emulator in JavaScript](http://imrannazar.com/Game Boy-Emulation-in-JavaScript) - Step by step tutorial.
 - [Game Boy Camera RE](https://github.com/AntonioND/gbcam-rev-engineer) - Documentation about GB Camera and tools used to reverse engineer it by using Arduino UNO.
+- [The Game Boy Printer](https://shonumi.github.io/articles/art2.html) - An in depth technical document about the printer hardware, the comunication protocol and the usual routine that games used for implementing the print feature.
+- [Game Boy Bootrom](http://www.neviksti.com/DMG/DMG_ROM.asm) Commented dump of the DMG bootrom.
 
 ## Development Softwares and Tools
 - [rgbds](https://github.com/bentley/rgbds) - The main gb devkit. Assembler and linker package, currently updated. This is your main tool to write code in ASM.