MESS v0.135u3 SVN r6610 is released.MESS is a free emulator which emulates a large variety of different systems.

MESS SVN Changelog:
r6605
[C64] Added CBM serial bus and Commodore 1541 devices, and preliminary G64 disk image support. Not working yet.
r6606
Fixed typo
r6607
- CCS Model 2422B
- CCS Model 2810
- Onmibyte MSBC-1
- QT Computer Systems SBC +2/4
r6608
[C1541] Added bit timer, serial bus reset, write protect sensor, SYNC detection, stepper/spindle motors, serial bus address selection.
r6609
[C1541] Added G64 track reading, not working yet.
r6610
[FMTOWNS] Temporary fix for text display, added FM IRQ flag, set default resolution to 640x400.

Download: MESS v0.135u3 SVN r6610
Source:Here