nesdev.org

Padding is fine if you know in advance that the ROM does not depend on address mirroring. A few commercial games such as Mega Man X appear to use mirroring as weak copy protection. Thanks for the info! Still new to this and didn't know about address mirroring.....I'm really enjoying the learning pr...

I'll start off by saying thank you! These boards are excellent and I will be getting more in the future! First, a pretty basic question....Does it matter if a rom is padded or doubled? I padded a 1.5MB file to 4MB yesterday and noticed no issues. Will the padding cause an issue later in the game or ...