[rmc]

This is a ROM for an arcade game. It's highly unlikely to be much DRM. Additionally he might not be in the USA.

[DanBC]

Anti-circumvention measures are baked into laws in may territories.

(http://en.wikipedia.org/wiki/Anti-circumvention)

While the ROM might not have much DRM some cases suggest that tools for ripping ROMs, and tools that allow playing of modified ROMs on a console, are probably illegal. (See, for example, the MrModChips cases in the UK.)