Here are two separate instruction sets to build the adaptor: ----1---- Some games, such as Gauntlet II, allow four player to play at once. Here are the pin assignments for the cable. You need two female 9-pin plugs and one 25-pin plug (don't remember if it's male or female). Joystick 3 Parallel Port ----------------------------- 1 6 2 7 3 8 4 9 6 11 8 25 Joystick 4 Parallel Port ----------------------------- 1 2 2 3 3 4 4 5 6 1 8 24 Parallel port pins 18-25 are all connected to ground. ----2---- I missed a chunk of this thread so I don't know if someone posted the wiring diagram. If not then Printer port Joystick 1 Joystick 2 1 ----------> 6 2 ----------> 1 3 ----------> 2 4 ----------> 3 5 ----------> 4 6 ---------------------------------> 1 7 ---------------------------------> 2 8 ---------------------------------> 3 9 ---------------------------------> 4 11 ---------------------------------> 6 24 ----------> 8 25 ---------------------------------> 8 Looking into the joystick socket 1 2 3 4 5 6 7 8 9 Looking into the printer plug 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 All info courtesy of ST format jan 1991 issue.