MESS v0.134 SVN r5898 is released.MESS is a free emulator which emulates a large variety of different systems.

MESS SVN Changelog:
r5891
[TRS80] Another fix to video. Model 4 now boots TRSDOS.
r5892
Updated to MAME 0.134u1 core
r5893
[TRS80] Fixed Model 4P memory banking. Model 4P now boots TRSDOS. Removed model 4 specifics from Model 3.
r5894
[TRS80] Fixed some potential bugs. Apply forgotten fix to video.
r5895
[TRS80] Connected speaker that is in the System-80 blue label version.
r5896
Harmony diff: Improved interrupt generation and MCD212 emulation, CD-i BIOSes 0 and 1 now get to the initial menu, then hang.
r5897
[VBOY] Added bin as a file extension.
r5898
updated messnew.txt

Download: MESS v0.134 SVN r5898
Source:Here