- version 2.0

- added in sprite collision detection (uncommented portions of vbsms source code) [brom]
- added in sprite limit toggling (uncommented portions of vbsms source code) [brom/olaf]
- added missing z80 i/o port mirrors for all supported z80 i/o ports [olaf]
- added header awareness, it will skip and load roms correctly now (recheck roms previously not working) [brom/olaf]
- added a vdp interrupt hack to get "spider-man - return of the sinister six" working [brom]
- added in crc32 checking of files for game specific "patches" (10 total -- as done with meka.pat) [olaf]
- added a memory editor with search/state functionality [olaf]
- added in support for the sega master system´s pause button [olaf]
- added a fix for timing via an initialization routine [brom]
- added support for zip compressed rom files [olaf]
- changed the "configure input" window a little [olaf]
- changed game gear input detection a little, put it into the case (where it belongs) [olaf]
- changed input detection again [olaf]
- changed the version scheme x.x versus x.x.x (version 0.1.1´s successor is 2.0) [olaf]
- removed the grayscale palette/palette switching [olaf]

it is recommended you reconfigure your inputs before playing, shared mapping may have occured with the addition of support for the sega master system´s pause button; audit your roms with maxim´s sms checker.