Mame 2003 Plus Roms Archive !!link!!

MAME 2003 is a fork of the original MAME codebase from 2003, corresponding approximately to ROM set version 0.78. This era is notable for being the "sweet spot" before MAME shifted its primary goal from playability to documentation. Post-0.78, MAME began requiring significantly more CPU power to emulate protection CPUs and graphics chips at the hardware level, rather than via high-level hacks.

The ROMset is well-organized and generally easier to manage than newer, heavier MAME sets. Understanding the MAME 2003-Plus ROMs Archive (ROMset) Mame 2003 Plus Roms Archive

is a "fork" or a specific variation of the MAME emulator based on the 0.78 codebase from December 2003. However, it is not just an old version of MAME. It is a "backport" version. MAME 2003 is a fork of the original