Information last updated on August 30, 2023.Set's name: "defenderp1"
Parent set: cloneof="defender"
MAME's description: Defender (prototype 19811030)
ROM name="defender (10-30-1981) (atari, robert c. polaro, alan j. murphy - sears) (cx2609 - 49-75186) (prototype).bin" size="4096" crc="81d5c7e6" sha1="cee6f8e814b8d6499c1a2a892e33eb7b1745148b"