We’d suggest Retroarch – it’s open source, fast and one of the most frequently updated. Step 1: you can start by downloading a reliable and bug free emulator. The second component is the Madden NFL 2003 rom itself to play on the emulator. The first component is the emulation program which can imitate the psx OS and software. There are two components for playing a psx Madden NFL 2003 rom on your PC.