AVEC GPS is a vector GPS mapping program for the Sony PSP.

Changelog:
- Implemented 3D terrain view mode for topographic maps with two configurable terrain exaggeration levels.
- Fixed bug present only in user mode version where the grid was not rotating with map while in GPS mode.
- Removed canvas size option from the configuration menu.
- Changed position indicator slightly to improve visibility.
- Added street names to map display at highest zoom level if street names are available in the map file.
- Fixed zoom routine to ensure highest zoom level is always available.
- Changed the default GPS mode zoom level to the highest zoom level.
- Removed delays in image capture routine that were not supposed to be present in any public release.
- Improved the look and the control of scrolling in the configuration menu.
- Sound now works in GPS mode for user mode version only. USB GPS routines are running in a dedicated thread.
- Implemented new compressed mpi file format resulting in faster map file searching and smaller file size.
- The PSP-290 USB GPS unit can now be plugged in after the user mode version of the program has started.
- Fixed bug in mpi converter routine. Program would crash if a street name began with an open bracket character.
- Program no longer adjusts the PSP clock speed. By default, the PSP will run at 222MHz.