Micro64 v1.00.2011.12.05 Build 651 is released. Micro64 is a freeware commodore c64 emulator. Currently micro64 has two different VIC II emulation modes: cycle exact (default, works fine) and half-cycle exact (next-gen, rudimentary implementation – currently damn slow).

Micro64 v1.00.2011.12.05 Build 651 Changelog:
- Added halftrack status view
- Added "Empty odd halftracks" option
- Fixed some bugs in the 1541 disk drive head stepping logic
- Fixed a bug in the track zero sensor logic

Download: Micro64 v1.00.2011.12.05 Build 651
Source: Here