Because it is based on the 0.78 architecture, it is significantly less "heavy" than modern MAME versions (like 0.250+), making it the primary choice for RetroPie, Recalbox, and Batocera users. Why You Need a Specific ROM Set
Fast forward fifteen years. The Raspberry Pi 3 and classic "Android Boxes" become ubiquitous. They are weak by PC standards, but powerful enough for arcade games. The problem? The latest MAME (version 0.260+) requires massive XML parsing and CPU cycles that choke these ARM chips. mame 2003 plus romset archive
contains every file needed to run. This is the easiest for beginners but takes up the most disk space. Because it is based on the 0