Main > Lightguns
Issues with the Act Labs TV lightgun
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StickyC:
This may or may not be a factor, but I remember reading somewhere on the packaging for my Playstation 2 GunCon that it doesn't work with Wega sets, something to do with the scan rate. Sorry I dont have any more info, but that might be something to look into.
SuperBoB2Turbo:

--- Quote ---About the hogans alley/duckhunt issues.....
--- End quote ---

HowardC,
I agree with you on how the old nintendo games work.  But, I'm not really sure how MAME is emulating them.  It seems possible that MAME could register a hit if you shot when the position is anywhere within the square that the game flashes.  Again, I have no idea how MAME actually handles it.  But it's too bad if it can't handle it that way.  Those old nintendo games are still some of the best gun games, IMO.  And it really sucks when you can barely make it past level 1 of Duck Hunt when you know you use to be able to get to level 7 or 8 no problem.


--- Quote ---I remember reading somewhere on the packaging for my Playstation 2 GunCon that it doesn't work with Wega sets
--- End quote ---

StickyC,

I looked into this a little. My sony has a feature called Velocity Scan Modulation (VSM).  It supposedly changes the scan rate at points of transition of light to dark or vice versa, but speeds up in other places so that the overall scan rate is the same.  This sounds like it could very well have an effect on a lightgun.  However, when the gun actually takes a reading, the whole screen flashes white, and with no light/dark edges, the VSM might not kick in.  I am able to turn this feature off, so i will try it, and see if it makes a difference.
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