MSX Joystick connector

#Computer#Input Peripherals
9 pin D-SUB MALE connector pin-out & layout

9 pin D-SUB MALE connector  at the computer

PinNameDirDescription
1/FORWARD<--Forward
2/BACK<--Backward
3/LEFT<--Left
4/RIGHT<--Right
5+5V-->+5 VDC (50mA max)
6/TRG1<->Trigger A / Output 1
7/TRG2<->Trigger A / Output 1
8OUTPUT-->Output 3
9GND---Signal Ground
Note: Direction is Computer relative Joystick.
Warning: Pin 5 is +5V on MSX and Mouse Button 2 on Amiga. Since Amiga mousebutton is active low, connecting an Amiga mouse to a MSX and pressing mousebutton 2 will shortcut the supply voltage

Mouse (PS/2) connector

MSX Parallel connector