Information last updated on April 08, 2024.Set's name: "y503iir"
Parent set: cloneof="yis503" / romof="yis503"
MAME's description: YIS503IIR (MSX1, USSR)
ROM name="yis503iirbios.rom" size="32768" crc="e751d55c" sha1="807a823d4cac527c9f3758ed412aa2584c7f6d37" region="mainrom"