Here is the final version of PSPZX81 the ZX-81 emulator for PSP.

Changes:

– New eboot icons based on Raven’s stuff
– Add several new hotkeys :
. settings such as fps, render mode can now be directly
modified inside the emulator
(no need to enter in the settings menu)
. quick save / quick load current state
(no need to enter in the main menu)
– Default Hotkeys can now be set in the keyboard mapping menu
(useful to add hotkeys on existing/previous keyboard files)
– Add vsync option
– Can now be compiled for linux (useful for debug)
– Bug fix in the low battery watchdog

http://zx81.zx81.free.fr/serendipity/index.php?/archives/288-guid.html