VICE PSP v2.1.21 is released.VICE PSP ia a Commodore 64 emulator for PlayStation Portable(PSP).

VICE PSP v2.1.21 Changelog:
# Added 4:3 (fit screen height) stretch mode, visible in NTSC mode or when border is disabled
# Added border toggle - shows/hides the border surrounding the main display area
# Added PAL/NTSC/Old NTSC mode selection
# Added vertical blanking (VSync) support, only available in NTSC mode
# Bugfix: PRG loading now works
# Bugfix: "fit screen" stretch mode aspect ratio was incorrect; now fixed
# Minor fixes

Download: VICE PSP v2.1.21
Source:Here