MESS v0.135u3 SVN r6684 is released.MESS is a free emulator which emulates a large variety of different systems.

MESS SVN Changelog:
r6681
[N64] Added a simple RSP recompiler, with all vector opcodes still stubbed out to C. Most games are now video-bound, Mario 64 now runs around twice as fast (33% overall) on my machine. [Harmony]
(with my luck, this will probably break the build)
r6682
Missing checkin
r6683
[N64] Fixing the RSP disassembler [Harmony]
r6684
[MAC] Post-u3 banking fixes, moved most state to driver data, improved ADB
responsiveness when switching between keyboard/mouse, preliminary
Portable/PB100 support, and various cleanup.

Download: MESS v0.135u3 SVN r6684
Source:Here