Hoxs64 v1.0.11.0 is released. Hoxs64 is a Commodore 64 emulator for Microsoft Windows 2K/XP/Vista. The emulator substantially reproduces this legacy machine in minute detail

Hoxs64 v1.0.11.0 Changelog:
1) SID envelope timing fixes. SID sustain register cycle accurate response to changes. Update to
the SID noise write back behaviour.

http://www.hoxs64.net/