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need help speeding up keyboard
EwJ:
If a modern ps2 keyboard works well and fixes all your problems, you would do well with a Keywiz or Ipac.(and wouldn't have to sacrifice your Hotrod).
You wouldn't have to go through all the trouble of a 'pseudo-hack' on the keyboard to test either, then a full hack later.
Just plug a newer keyboard in, if it works to your satisfaction, a Keywiz or Ipac will only be better.
If you're in a hurry, pm and email Randy or Divemaster per previous post, and see if you have any options.
If usb works well and you can use gamepad input, a GPwiz would be a good choice.
Hacking a keyboard really isn't worth the hassle, and won't measure up in performance.
Good luck! (Post your results).
Also, can you tell us about this game you have developed?
Turnarcades:
--- Quote from: RandyT on May 27, 2008, 03:07:34 pm ---
--- Quote from: bernard on May 27, 2008, 11:25:03 am ---I'm not against ordering an ipac or other device to use as a keyboard encoder... but I don't want to do that unless I know that it WILL in fact SOLVE the problem. I'd hate to spend the extra money to buy one and get it overnight shipped, just to hook it up and have the same problem.
--- End quote ---
You are getting some good advice here. Most dedicated encoders will get you a faster rate than a human can hammer on a button. But the bottle neck can be in one or more of the areas you mentioned, and the only way you will absolutely know for sure what the issue is, is to to start substituting the individual elements one at a time until you see the results you need. As you've found out, old keyboards were not meant for that kind of speed. Just the switch debouncing times built into those things is probably a good chunk of the problem...even 100ms wouldn't surprise me. After all, who types faster than 10cps?
RandyT
--- End quote ---
Good advice. The methods you used for your MAME arcade may have been sound years ago and though my knowledge of electronics and software is limited, I'd imagine there are a number of factors affecting this. If it were a pure emulation issue it would be easier to pin down (for example in MAME I had to turn triple buffering off on older PC's else I had a similar problem to you, even with a keyboard encoder) but as this game of yours is custom-written it's anyone's guess so may be up to your friend to resolve.
If it is the MAME and other platforms you play more, I'd ditch the old methods in favour of the newer solution of a keyboard encoder and whatever else you are doing the old way. The PC spec is fine though for emulation, take it from me P3's are sweet for the job.
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