PSPAtari is an Atari 800/130/5200 emulator for PSP.

Changes:

– Speed improvements
– Auto-fire mode, press RTrigger+X to switch it on/off
useful for games such as space Xevious !
On given games, the auto fire can’t be stopped easily
(so you might have to disable it several times)
– Bug fix: settings weren’t properly loaded when using
original 5200 menu
– 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
– Add vsync option

http://zx81.zx81.free.fr/serendipity/index.php?/archives/284-PSPAtari-Atari-8001305200-Emulator-for-PSP-v1.1.2-final.html