Mobile Suit Gundam Seed: Battle Assault has never been released for PC, so it has no PC system requirements. It came out on Game Boy Advance.
There is no emulator for Game Boy Advance that this site will point you at.
Platforms: Game Boy Advance.
System requirements for the game Mobile Suit Gundam: Battle Operation 2
System requirements for the game Mobile Suit Gundam: Journey to Jaburo
System requirements for the game Mobile Suit Gundam
System requirements for the game Mobile Suit Gundam: Zeonic Front
System requirements for the game Mobile Suit Gundam: Crossfire
System requirements for the game Mobile Suit Gundam: Gundam vs. Zeta Gundam
System requirements for the game Mobile Suit Gundam Unicorn
System requirements for the game Mobile Suit Gundam: Target in Sight
