DirectPad Pro is driver used to connect your console pad (Playstation, SNES, Genesis, etc) to your PC through the parallel port. For XP and 2000, version 6.0 requires the driver NTpad XP 2.01 included in the zip file.

Download: DirectPad PRO 6.0 for Windows Vista/XP/2000 (478KB)
Download: DirectPad PRO 6.0 for Windows 9x (301KB)
Download: DirectPad 5.0 for Windows 2000 English (75KB)
Download: DirectPad 5.0 for Windows 2000 Chineese (75KB)
Download: DirectPad 5.0 for Windows 9x (60KB)

Related Link: DirectPad Pro 5.0 (mirror site)

Related Link: How to connect a PSX pad to a PC

For the Chineese driver: "You have to run the "Install" batch file after unzipping all contents into any folder. This will result in some information being copied into the registry. Go to Control Panel and open the Game Controller section . Press "ADD" and then select the Psx driver which appears like this : "PS,Ž™’E™ñ£" because of chinese characters."

PSXpad

Another driver for Windows 2000 and XP for connecting the game controller through the parallel port of PC. Supports PlayStation, Saturn, SNES, XBox and Nintendo64 pads.

Download: Psxpad Ver 030220

PPJoy 0.77

PPJoy is a parallel port game controller device driver and Control Panel applet that allows you to use digital (e.g. old Atari, Spectravideo, etc.) joysticks as input devices for Windows 2000 and XP.

Download: PPJoy 0.77

NTpad XP v2.01

NTpad XP is another driver for Windows 2000 and XP developed by Ariel Scarpinelli, that allows to connect your Playstation, NES, Genesis, N64, Saturn, Atari and SNES pads to your PC through the parallel port.

New: Fixed force feedback problem..

Download: NTpad XP 2.01 for Windows 2000/XP (169KB)
Download: NTpad XP Downloads

TIP: For StepMania recognize the simultaneous Left/Right buttons, change the Controller selection from PSx Digital to PSx Left Analog. After that, the axis should not be a problem and simultaneous steps should be recognized just fine. Thank Scott for the tip.