Posted: 12/27/2014 7:42 PM
Post subject: Holding down+right during frame advance
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ars4326
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Sorry if this has been answered in the past, but I've always wondered why frame advance doesn't work when holding both the down and right-arrow keys (like when you want to move diagonally). I've noticed this while using Gens, Bizhawk, and FCEUX. I don't get it. Is there a certain reason why frame advance won't work when pressing this certain combination of keys?
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Posted: 12/27/2014 7:46 PM
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TASeditor
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That's because of keyboard blocking. Your keyboard can't detect the input when there are to much keys pressed. Use auto-hold to avoid that.
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Posted: 12/27/2014 7:48 PM
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AntyMew
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It works fine for me in Bizhawk and FCEUX. It might be a keyboard issue. I've had similar problems with only being able to hold a limited number of keys at once before; I doubt you would have been holding too many keys every time you tried to use d+r, but that *could* be it EDIT: Why are you so sure TASEditor :? My limit is 6 (idk if other keyboards have lower ones), and w/o 2 players that's plenty
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Posted: 12/27/2014 8:12 PM
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feos
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That's why people bind frame advance on Ctrl and D-pad to arrows.
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Posted: 12/27/2014 8:30 PM
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ars4326
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feos wrote:
That's why people bind frame advance on Ctrl and D-pad to arrows.
Awesome! Reassigning frame advance to Ctrl did the trick! Thanks everyone for responding. I've actually been putting up with this for over a year now. Had no idea it was an issue of too many keys being pressed.
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Posted: 12/27/2014 10:09 PM
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creaothceann
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You could also get a keyboard with n-key rollover (test page). Personally I use a mechanical keyboard with "brown" Cherry switches similar to this one on the PS/2 keyboard port.
Posted: 12/27/2014 10:12 PM
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Patashu
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If you want to quickly test if holding down a lot of keys at once will work or not, open up notepad, (make a bunch of text if it's to do with arrow keys so you can see the result) then hold them all down and see if the last one registers immediately, or only if you let go of some keys.
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Posted: 12/27/2014 10:28 PM
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AngerFist
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I had same issuess. If you can afford a new good gaming keyboard, buy one (I recommend Razer Deathstalker, just bought it and it's quite sexy, smooth and most importantly supports 10 simultanous buttons pressing), it's worth it.
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Posted: 12/28/2014 12:38 PM
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ALAKTORN
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It’s not an issue of “too many keys”, it’s an issue of which keys you’re trying to press. I don’t know the specifics, but depending on what you’re trying to press at the same time it may or may not work. What I do with diagonal inputs is 7 = up+left 9 = up+right etc., I’ve binded those numpad numbers to the diagonal movements.
Posted: 12/28/2014 11:58 PM
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Patashu
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ALAKTORN wrote:
It’s not an issue of “too many keys”, it’s an issue of which keys you’re trying to press. I don’t know the specifics, but depending on what you’re trying to press at the same time it may or may not work. What I do with diagonal inputs is 7 = up+left 9 = up+right etc., I’ve binded those numpad numbers to the diagonal movements.
Every keyboard is built differently and with different combinations of keys that do/don't work based on the underlying design.
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Posted: 12/29/2014 9:54 AM
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The Virtual Pad in Bizhawk works really well for avoiding all that keyboard blocking jazz.
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Posted: 12/30/2014 8:43 AM
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Warp
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Keyboards (at least the cheaper ones) are built like that to reduce cost. The more simultaneous keys are supported, the more electronics are needed in the keyboard, which increases costs; thus they design keyboards so that most typical keys can be pressed simultaneously, but not all possible combinations are supported. (It's not even a fixed number of simultaneous keys. With certain combinations of keys you can get a rather large amount of simultaneous keys, but with other combinations you can hit the limit pretty fast. Also, how exactly the mapping goes depends on the manufacturer and keyboard type.)