PSPTI99 is a TI-99/4 emulator for PSP.

Changes:

– Speed improvements
– Add vsync and autofire options
– Add several new hotkeys :
. settings such as fps, render mode, auto fire speed
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)
– Bug fix in the low battery watchdog

http://zx81.zx81.free.fr/serendipity/index.php?/archives/294-guid.html