Homebrew developer ZX-81 dropped by our forums to announce the release of the PSP-ZX81 v2.1 for the PSP. This version introduces IR keyboard support, compatibility with custom fimwares 2.x and the PSP slim, a new and improved speed limiter function and more.

In case you missed our previous coverage on this application, it is an emulator for the Sinclair ZX81 computer running on Unix systems. If you've been using the PSP-ZX81 v1.0.2, you might want to go over all the changes that was added by ZX-81. Here's the change log as taken from the documentation:

* IR keyboard support
* Now compatible with custom firmwares 3.x and PSP-slim
* New graphics
* Display and save thumbnail images for each save state
* New render mode (fit height and fit) using GPU
* New psp clock option (it can now run at 133 Mhz)
* New speed limiter function
* Add option to display fps rate
* Add a simple intro splash screen
* Emulator menus reorganisation (new menu for settings)
* Add help menu
* Add keyboard change skin option (you can add your own virtual keyboard images in the graphics directory).
* Multiple keyboard mapping feature (Thanks to Pou-chan)
* You can now toggle between three differents keyboard mapping using L/R Trigger keys
* Option to prevent the blue led to be displayed when L or R are pressed
* Support iso8859-1 fonts in print text functions (might be useful to translate menus in german, french ...)
* Bug fix in program file requester

If you plan on downloading this application, be sure to go over the documentation included in the compressed file to avoid any unforeseen problems with installation and usage of the PSP ZX81.