Homebrew developer JJS has released an updated version of PSPDisp, an app that lets you use your PSP as an extra monitor for your Windows PC. This update bumps the app up to version 0.4 and mostly contains under-the-hood tweaks.

PSPDisp v0.4 Changelog

New features:

• new USB driver based on WinUSB, that is compatible with 64 Bit versions of Windows (no driver signature check problem)
• previous libusb based USB driver still supported
• new audio recording mode for Vista / Windows 7 which uses software loopback, no longer requiring a "Stereomix" or "What you hear" device
• increased USB transfer speeds (60 fps reachable with all compression quality settings)
• new "Uncompressed" quality mode, doesn't apply any compression to the images resulting in less CPU load and best image quality
• PSP CPU speed now configurable for USB mode
• increased character limit for the IP address / server name dialog
• IP address is now also shown on the WLAN tab of the options window
• audio streaming can now be completely disabled in case of problems
• new option to hide the mouse cursor on inactivity
• new control file option for analog mouse cursor movement with the analog stick
• added intaller option for creating a Windows-Firewall exception for PSPdisp

Bug fixes:

• CPU speed control for WLAN mode fixed
• fixed WLAN timeout problem mentioned in the v0.3 known issues
• PSPdisp now stays in SideShow mode when the screen resolution or geometry changes
• various interface bugs fixed
• rapidly enabling/disabling or attaching/detaching of the PSP in USB mode would trigger an exception