For games like Pac-Man or Donkey Kong that used vertical (portrait) monitors:
: If a game doesn't launch, it may require a BIOS file (like neogeo.zip mame 0239 roms install
Before proceeding with any installation, you must understand the most critical principle in MAME emulation: . For games like Pac-Man or Donkey Kong that
Copy your MAME 0.239 compliant zip files into this roms folder. Launch MAME: Run mame.exe or mame64.exe . mame 0239 roms install