MESS SVN r14020 is released. MESS(Multi Emulator Super System) is an open source emulator which emulates a large variety of different systems. MESS is a source-available project which documents the hardware for a wide variety of (mostly vintage) computers, video game consoles, and calculators through software emulation, as MAME does for arcade games. As a nice side effect to this documentation, MESS allows software and games for these hardware platforms to be run on modern PCs.

MESS SVN Changelog:
r14015
revert back thing to look nicer (no whatsnew)
r14016
MESS equivalent of MAME 15022:
Some cleanup of the previous change. Added new template device_delegate which wraps a regular delegate and includes a string pointer to a device tag, which can be simply resolved later. Converted the screen_update delegates to to be based on this. Changed the mechanism by which screen formats are auto-deduced. Converted SCREEN_EOF to use these delegates as well, so now there is MCFG_SCREEN_EOF_STATIC/DRIVER/DEVICE just like MCFG_SCREEN_UPDATE.
r14017
Important fixes from MAME r15023
r14018
MESS version of MAME r15024:
Death to SCREEN_EOF, which was ambiguously called either at the start or end of VBLANK depending on the video flag VIDEO_UPDATE_AFTER_VBLANK. Replaced with SCREEN_VBLANK callbacks which are called both at the start and end of VBLANK, so you can operate either way, and be explicit
about it. Updated all callers.
Also updated screen_device to use device timers and some other minor cleanups.
r14019
fmtowns: Properly implemented freerun timer, and added the second PIT. (no whatsnew)
r14020
i386: Beginning to implement page faults. [Carl]

Download: MESS SVN r14020 x86
Download: MESS SVN r14020 x64
Source: Here