PSPMSX v1.5.1
 

The port of fMSX to PSP my ZX-81 called PSPMSX has also been updated. The changelog can be found below:

• IRDA Joystick box support
• Add "IRDA joystick" device support for both
  DB9 Joystick and Atari Paddle
• Add menu for IRDA joystick settings and keys mapping
• Add option to choose between IRDA devices
  (keyboard such as Targus or joystick using Buzz device)

You can obtain this new version from ZX-81's site, you can get it from our site as well.

via EmuWiki.com