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USB vs PS/2 vs COM vs LPT

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CheffoJeffo:


--- Quote from: Driver-Man on September 21, 2010, 04:38:03 pm ---
--- Quote from: CheffoJeffo ---This is one of the reasons that you are seen by many to be a troll ... you evade even the most obvious and direct questions.

Why don't you post what happens ?

--- End quote ---

That was not direct question, but rhetoric question with wrong assumption, like asking: "Does your mother know you're gay?", having that you're actually not.  Anyway, I did explain what really happens, here it is again... there is a loop that sends signal to each separate "ground wire" for joysticks 1 to 7, in sequence. Inside that loop you simply check if the signal has passed through any of the 9 data lines, and whichever line is set it means the microswitch circuit was closed, that's all.

--- End quote ---

Dealing with you is like dealing with an autistic child ... you could be an asset to the community if you could only communicate.

To be fair, this is somewhat like dealing with kowal, who doesn't speak English and says that he is dyslexic ... except that he gives us enough information to see that he isn't full of ---steaming pile of meadow muffin---.

I would have been be curious to see, as Hoopz mentions above, what the MAMEDevs think of your suggestions, but they've already tagged you as a troll, so no joy there.

For the record, I am not discouraging people from using LPT for the sake of a more authentic experience (after all, I dropped emulation entirely for the same experience), I am just wondering what you really bring to the party.

Your discussion of wiring is vague at best and having a single ground for a single player (which you seem to imply) is no defense against ghosting or blocking, so near as I can tell with just a quick look (it's time for YOU to actually do the work).

WARNING! SPECIFIC QUESTION: Why do the plans that you refer to include diodes ? I've never, working on vids, pins and computers, come across a situation where I just randomly thought that "I want to put some diodes here". It is puzzling that the guy who actually did the work thinks one way and you, who offer no proof but your "I tested this on 5 computers, pay attention" thinks the other ? I know that the lack of diodes isn't likely to kill a computer, but that's because I know what they are for and what they do. So, tell us, Driver-Man, why do the plans call for diodes and you say they aren't required ?

Is that specific enough for you ?

PS -- Does your mother know that you are a troll ?



BobA:

Why does it always come back to the same thing?



DJ_Izumi:


--- Quote from: Driver-Man on September 20, 2010, 11:17:01 am ---if you fail to jump over barrel in Donkey Kong you would know it is only you to blame, and not Windows or some keyboard controller for reporting your jump one frame too late. In other words, it would make the game more "legitimate" and probably easier too.
--- End quote ---

No you wouldn't.  Because you are still EMULATING the original hardware and that will always add some form of additional lag from input to response just due to additional time needed to not only do the math in the game but do the emulation to give it the input and to spit out the response.

If you want 'The 100% real experience with no differences', go buy the real hardware.

Driver-Man:


--- Quote from: RandyT ----If you want to "fix" the issue I showed you, you can't do it in software.

--- End quote ---

What issue? Are you talking about USB or LPT?

There are no issues with 'tgxlpt' interface.



--- Quote ---You need to use those diodes.

--- End quote ---

I sure see your made yourself believe that, even though you have no idea how this interface actually works nor you have ever tried it, fascinating. -- I explained how it works, what part do you not understand?



--- Quote ---There's a reason they are there, and the mere fact that you don't understand what that reason is, doesn't negate their necessity. 

--- End quote ---

The reason you can not name, the reason you forgot to tell us about, again.

What reason, what do you think happens without diodes, will you say it finally?




--- Quote ---What you are telling people is wrong, and that means you really aren't being their "friend".  Just the opposite, in fact.

--- End quote ---

Ok, then you tell them about default polling rate of USB and how many inputs per frame that is, just like you did for PS/2:

USB = ?? bits per second/11 = ?? inputs per frame @ 60 FPS




--- Quote ---If you want to be a "friend" to the community, make a balls level driver for Windows 2K/XP/7 that will take gamepad, LPT, semifore, morse code...

--- End quote ---

This is like 8 years old interface. There are drivers for it included even in Linux kernel. All you want is already out there, except perhaps morse code... awww. -- I already responded to your previous challenge and provided drivers and source code you requested, now it's your turn to answer my questions, see above.


JustMichael:

Driver-Man,
How about providing us with a schematic of your circuit and a schematic of your 27 input one?  This would be enough for 2 players (1 joystick and 8 buttons (start, coin and 6 player buttons each).

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