For the X68000, to enable the use of three buttons in the doujin software "Chernov Street Fighter" and "Garou Densetsu" (based on information found online), This is a SEGA Mega Drive to X68000/PC-9801 3-button dedicated pad/controller adapter. It does not function as an MSX standard. (Shipping is for the adapter) #PC-9801 #PC-9821 Created by cutting a new extension cable, rewiring, and attaching terminals. The Mega Drive pad's lower row of terminals, B*GA ⇒ BA*G, has been converted, and by switching the reading at *, it seems that all three buttons can be used only in specific software. The terminals use high-tack adhesive, so the upper and lower cases can be removed. In that case, if you replace the lower row with ABG, it will become the MSX pin arrangement. Remove the *. (At your own risk) Shipping: Free Shipping: Yu-Packet Post/mini Shipping Notification: The system's shipping date notification will serve as the shipping confirmation. Immediate shipping upon payment No need for greetings or payment notifications. #PC-9801 #PC-9821