My attempt to use a PlayStation 1 trackball in MAME : r/MAME
CLASSIC TRACKBALL ( Sony PlayStation Game Console ) 1998 Nyko - New Sealed | eBay
Amazon.com: Arcade Trackball Mouse,4.5cm Lighted Illuminated Round LED Trackball Mouse PS/2 PCB Connector for Arcade by SPARIK ENJOY : Electronics
Nyko Classic Trackball (Sony PlayStation, PS1) -Complete 743840800729 | eBay
CLASSIC TRACKBALL ( Sony PlayStation Game Console ) 1998 Nyko - New Sealed | eBay
Nyko Classic Trackball (Sony PlayStation, PS1) -Complete 743840800729 | eBay
Nyko Classic Trackball (Sony PlayStation, PS1) -Complete 743840800729 | eBay
Amazon.com: Walfront Round LED Trackball 4.5cm Mouse Lighted Illuminated PS/2 PCB Connector Wired Trackball for Arcade Game Machine : Electronics
CLASSIC TRACKBALL ( Sony PlayStation Game Console ) 1998 Nyko - New | eBay
CLASSIC TRACKBALL ( Sony PlayStation Game Console ) 1998 Nyko - New Sealed | eBay
Amazon.com: Walfront Round LED Trackball 4.5cm Mouse Lighted Illuminated PS/2 PCB Connector Wired Trackball for Arcade Game Machine : Electronics
2.25 Inch LED Arcade Game Trackball PS/2 Connection Compatible With PC — DIY Retro Arcade
Nyko Classic Trackball Controller (Sony Playstation One) Great Condition, New? – ASA College: Florida
NEW IN BOX SEAL Nyko Classic Trackball Playstation 1 / 2 PS1 PS2 Controller RARE – ASA College: Florida
2 1/4 Inch 2.25" Purple Ball PS/2 PCB Connector Arcade Trackball Mouse — DIY Retro Arcade
ANGGREK Illuminated 4.5cm Round LED Trackball Mouse PS/2 PCB Connector, Wired USB Trackball For Arcade - Walmart.com
Nyko PS-80072 Classic Trackball Controller for Playstation 1 | Found Gaming
Nyko Classic Trackball (Sony PlayStation, PS1) -Complete 743840800729 | eBay
Amazon.com: Arcade Trackball Mouse,4.5cm Lighted Illuminated Round LED Trackball Mouse PS/2 PCB Connector for Arcade : Electronics
CLASSIC TRACKBALL (Sony PlayStation, PS1/PS2) 1988 Nyko - CIB w/ Manual Open Box | eBay
CST800 Trackball - Wired Serial or PS/2
Trackball 4.5cm Round Trackball Mouse for PS/2 PCB Connector for Arcade - Walmart.com
