Irem M63

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The Irem M63 hardware, is a 8-bit arcade system board manufactured by Irem.

Technical Specifications

Main CPU: Zilog Z80 @ 3 MHz

Sound CPU: I8039 @ 3 MHz

Sound Chip: 2xGeneral Instrument AY-3-8910A @ 1, 5 MHz

Games Released

Release Date Game Name Developer Publisher
1984 Fighting Basketball


Paradise Paradise

United States of America 1985-07

Wily Tower (ワイリータワー)

United States of America Atomic Boy

Irem Japan Irem

United States of America Memetron


  • Fighting Basketball is not licensed by Irem, and has a custom sample player chip.