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Old 09 December 2019, 00:43   #1
prezi
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original quickshot joystick autofire frequency

Helo,


I just programmed atari-like joystick using arduino. It is equipped with autofire and I would like to set it up just like in original joystick. Could anyone check it out for me? Please.
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Old 09 December 2019, 20:52   #2
nogginthenog
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There's no link prezi.
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Old 10 December 2019, 03:10   #3
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Hello prezi,

which Quickshot model do you mean?

I just measured the autofire frequencies of 4 Joysticks for you. Cps means clicks per second.

Code:
Quickgun Turbo Pro:   7 cps
Zipstick:            13 cps
Quickshot 128F:      29 cps
Competition Pro:     62 cps (!)
(transparent model with autofire)
I wonder what is the best for many games. I think 9-16 is the most useful.

Hope that helps

PS: Do you want to share a picture of your project?
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Old 10 December 2019, 11:58   #4
prezi
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Quote:
Originally Posted by Nightshft View Post
Hello prezi,


PS: Do you want to share a picture of your project?



Up to now I have almost all parts (I have to buy them in many
different shops). Meanwhile I decided to program arduino micro.
When I finish the whole project I will share with you all pictures of that.
Joystick as such will be very similar to others so-called "arcade joystick with two buttons".


I attach the arduino code: besides it has rapidifre this is really "zero delay" joystick.
Attached Files
File Type: zip atari-like-rapidfire-led-interrupt.zip (3.2 KB, 6 views)

Last edited by prezi; 14 January 2020 at 01:00.
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Old 10 December 2019, 12:04   #5
prezi
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Quote:
Originally Posted by Nightshft View Post
Hello prezi,
Cps means clicks per second.

To be sure: by CPS do you mean faked button "clicks" (both press and release). If you do, it means that for instance if CPS is 29 then there is
14.5 "shots" per second.
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Old 10 December 2019, 12:22   #6
Minuous
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Funny that the "turbo" one has the slowest autofire :-D What liars...

Last edited by Minuous; 10 December 2019 at 13:49.
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Old 10 December 2019, 14:09   #7
Nightshft
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Quote:
Originally Posted by prezi View Post
To be sure: by CPS do you mean faked button "clicks" (both press and release). If you do, it means that for instance if CPS is 29 then there is 14.5 "shots" per second.
No, it means 29 shots per second.

The Comp Pro is ridiculously fast. I once checked the best autofire rate for River Raid Reloaded and it was about 15 cps.

Quote:
Funny that the "turbo" one has the slowest autofire :-D What liars...
At least it's a beauty (Google it)
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Old 10 December 2019, 14:36   #8
prezi
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Quote:
Originally Posted by Nightshft View Post
No, it means 29 shots per second.

The Comp Pro is ridiculously fast. I once checked the best autofire rate for River Raid Reloaded and it was about 15 cps.

Thank you very much!
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Old 06 January 2020, 03:15   #9
prezi
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USB Atari-like joystik with rapidfire

Quote:
Originally Posted by nogginthenog View Post
There's no link prezi.

I attach pictures and Arduino code.


Parts:
-enclosure Hammond HM-1591USBK
-joystick Sanwa JLF-TP-8YT
-GT-Y Octo Gate
-KOWAL 1mm Oversize Actuator
-2Kg spring from Focus Attack
-two non-original push buttons 30mm
-one LED Red Latching On/Off Switch (as rapidfire switch)
-one arduino clone ATMEGA 32U4 Arduino PRO MICRO
-some cables
-three pieces of wood
-4 threads + 4 screws (to attach joystick plate to wooden pieces)


Joystick is attached to wooden pieces because the enclosure is made of ABS so it's soft. And thanks to that there are no visible screws. In addition joystick is more stable and "heavy".


Both push button are connected together so there is actually just only "button A".


There are many diy projects like that but none of them has an autofire (rapidfire). In most of other projects some crappy "zero delay" encoder board are used. But they are not "zero delay". I bought one and I found that this is usb1.1 and the polling delay is at least 10ms. Just like for instance Competition Pro USB Joystick. In case of arduino projects everybody uses "delay" instruction to debounce joystick.

In attached Arduino code no "delay" instruction is used. Every pin is debounced separately by non-delay counter. Eg. for 10ms fire state cannot be changed but meanwhile you can change up-pin state.
Arduino ATMEGA 32U4 based boards have 1ms USB polling delay. State of pins is read about 50 times per millisecond so 1000hz usb polling rate is real.

edit: atari-like-rapidfire-led-interrupt.zip is a little bit faster and supports rapidfire without led
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ID:	65839   Click image for larger version

Name:	atari-like-ready1.jpg
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ID:	65840   Click image for larger version

Name:	atari-like-ready2.jpg
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ID:	65841  
Attached Files
File Type: zip atari-like-rapidfire-led-interrupt.zip (3.2 KB, 12 views)

Last edited by prezi; 14 January 2020 at 01:01.
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Old 11 January 2020, 00:41   #10
Nightshft
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Quote:
Originally Posted by prezi View Post
In attached Arduino code no "delay" instruction is used. Every pin is debounced separately by non-delay counter. Eg. for 10ms fire state cannot be changed but meanwhile you can change up-pin state.
Arduino ATMEGA 32U4 based boards have 1ms USB polling delay. State of pins is read about 50 times per millisecond so 1000hz usb polling rate is real.
Nice Project prezi!
How well does it work when you test/use the Joystick?
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Old 12 January 2020, 17:40   #11
prezi
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just great. Actually I use it mostly with VICE (C64 emulator) and sometimes with FS-UAE. In VICE I play with my kids in Boulder Dash and running away from falling boulder is a piece of cake. In case of competition pro usb it was not so easy. In FS-UAE we play Prehistrorik and Dyna Blaster and that joy is very responsive. Making corners is very easy with sanwa -- thus jumping in Giana and Bruce Lee is easy.

Last edited by prezi; 13 January 2020 at 21:14.
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