The MAME 2003 set is closed . No new ROMs are being added to it. This means you can download a complete 0.078 reference set (roughly 15GB for ROMs + 80GB for CHDs) and know that every game works. Modern MAME sets are 400GB+ and constantly changing.
This is where the "2003" era gets tricky and interesting. MAME 2003 Reference Set - MAME 0.078 ROMs- CHDs...
MAME (Multiple Arcade Machine Emulator) is a popular emulator for playing classic arcade games on modern devices. The MAME 2003 Reference Set is a collection of ROMs (Read-Only Memory) and CHDs (Compressed Hard Disk) required to play a wide range of arcade games on MAME version 0.078. In this guide, we will explore the MAME 2003 Reference Set, its contents, and how to use it with MAME 0.078. The MAME 2003 set is closed