ROMHacking 103 Script Insertion – Tutorial

The document will guide you to get a proper script insertion (for a GB/GBC) from scratch, using a
GBC game as an example. However, many of the methods, procedures and knowledge involved may be and are probably used in other game console/hardware.

For this document/tutorial, you will be required to have and use the following tools.
Notepad++, https://notepad-plus-plus.org/
Windhex, https://www.romhacking.net/utilities/291/
Game’s ROM: Kikansha Thomas – Sodor-tou no Nakamatachi (J) [C][!]
Should have been edited previously with the English font inserted.
BGB emulator, https://bgb.bircd.org/
Atlas, https://www.romhacking.net/utilities/224/
Any hex calculator