vbSMS+ 3.1 is released.vbsms+ emulates the sega mark iii, master system, and game gear.vbsms+ is an enhanced continuation of the vbsms project.

vbSMS+ features
- sound with sample rate selecting
- save states (10 slots per game)
- movie states (10 slots per game, with resuming through save states)
- rewinding (saves at 1 second intervals and works while recording movie states)
- region switching (with proper ntsc/pal modes)
- speed throttling and manual frame advancing
- screenshot saving
- layer disabling (for sprite ripping in combination with screenshot saving)
- rapid fire
- pro action replay emulation
- memory editor with bookmarks and value searching
- support for 3d glasses games through frame disabling

vbSMS+ 3.1 changelog:
- added various fixes to the vdp, including horizontal sprite zooming [benryves]
- added 3d disabling for games that are supposed to use the segascope 3d glasses [olaf]
- added dx7vb.dll to the source's zip for compiling on windows 7 [olaf]
- added the load rom shortcut key in full screen mode [olaf]
- added a compatibility hack for '[bios] alex kidd in miracle world (korea)' [olaf]
- added slow motion throttles (50%, 25%, 12%, 6%, and 3%) [olaf]
- added rewinding (works with movie states and saves at an interval of 1 second) [olaf]
- added 'reset and record' option for movie states [olaf]
- added a play time pop up window to the end of movie playback [olaf]
- added resuming recording from a save state [olaf]
- removed a bug in handling of game gear rom filenames [olaf]
- removed the disabling of gg's border [olaf]
- removed the gg's start button in sms mode and removed sms's pause button in gg mode [olaf]
- removed the sms's second input in gg mode [olaf]
- removed a bug with rapid fire in gg mode [olaf]
- removed a bug that did not allow pc gamepad input during movie recording [olaf]
- removed the sms's region code in gg mode [olaf]
- removed the bugs in the z80 core which now allow vbsms+ to pass the zexall test [brom]
- removed a bug when you tried to play a movie while already recording [olaf]
- removed a bug where movie states were using the save state slot number [olaf]
- removed avi recording (there was no sound and i never planned on working on it) [olaf]
- changed some sound code around and now it sounds better [brom]
- changed default window size to 2x and default full screen size to 640x480 [olaf]
- changed the region submenu around (now with proper pal/ntsc modes too) [olaf]
- changed the gg to its proper speed (always ntsc mode) [olaf]
- changed some other menus/submenus around [olaf]
- changed "fast forwarding" to 'no throttle' [olaf]
- changed sprite limiting to enabled by default for the sake of accuracy [olaf]
- changed 'rapid fire unit' to 'rapid fire' since there was no rfu for gg [olaf]
- changed movie states to overwrite if there's already a movie state on the slot [olaf]

Download: vbSMS+ 3.1
Source:Here