In some games for eight-bit video attachments ("NНL97", "G0АL. 3", "VOLЕУВOL." etc.) you can play three or even four, if you connect to the console the number of joysticks. It usually acquire a special device, called MultiTerminal. According to the scheme shown in Fig. 1, it is easy to make independently.
Outlet ХS1 inserted into the plug consoles intended for the second joystick and have usually marked "J/S-2" (side view of the pin shown in Fig. 2).
Joysticks connected to plugs HR-HRS. The numbers of their contacts without parentheses correspond to "broad" connectors, and in brackets "narrow". Another joystick connect a standard way to plug "J/S-1" top box.
Authors: M. Novikov, A. tolstopyatov, Krasnoyarsk Krai