GUN2CRT, the new universal CRT lightgun adapter

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Arroyo:
Ditto following.

flybynight:
Wow this is great.

I've spent lots on crts guns like usb2gun, actlabs and dabbled with ancient 32 bit windows builds of Acorns wingun guncon drivers. Out of nowhere you come up with this!

How is it tracking and targeting in your video without flashing?

Will it work with groovymame "super resolutions" on crt?

I'll take 2 please :D

JayBee:

--- Quote from: KenToad on March 02, 2021, 04:08:09 pm ---Living in the USA, I have zero experience with SCART. I've only ever used VGA on old computer monitors.

I have a Trinitron that has component, composite, and S-video. I have a raspberry pi hooked up through composite. I guess that this wouldn't be compatible with the GUN2CRT?

Getting a pi working with the GunCon 1 or 2 sounds like a dream come true.

--- End quote ---

--- Quote from: dmckean on March 03, 2021, 01:45:55 pm ---
So this thing won't pass through component video if you're using a MiSTer?

--- End quote ---

So far my adapter only works with RGBHV (VGA) connection, but works at any resolution from 240p to 960p.
It also contains a sync combiner that will allow you to use either RGBHV for PC CRT or RGBS for TV screens.
I could add a transcoder/sync splitter if there is enough demand, but it would increase the price and complexity of the device a lot.
And my goal is to keep it simple and affordable for everyone ;)
But I might consider add on modules in the future, if enough people ask for it.

--- Quote from: markc74 on March 03, 2021, 02:07:28 pm ---Count me interested in this. The original crt light guns are a level above anything I've seen using LEDs. Following...

--- End quote ---

I agree, most led based system are really not that good, and the CRT guns will always be the best for CRT monitors.
However my other advance led based system (GUN4IR) is working fairly well compared this one (I should make a comparison video some day).

To sum up the weakness and strength for each;
Both my IR and CRT system provide the same degree of accuracy
The IR system has a bit lower latency in most cases because you don't have to wait for the raster.
The CRT only works on CRT obviously.
The CRT needs screen flashing for darker games.
The CRT system works better at close distance, the IR at a bit longer distance ;D

--- Quote from: flybynight on March 03, 2021, 05:13:16 pm ---Wow this is great.

I've spent lots on crts guns like usb2gun, actlabs and dabbled with ancient 32 bit windows builds of Acorns wingun guncon drivers. Out of nowhere you come up with this!

How is it tracking and targeting in your video without flashing?

Will it work with groovymame "super resolutions" on crt?

I'll take 2 please :D

--- End quote ---
The tracking on games that don't need flashing (most 16 bits games) works super well, it's precise to the pixel and super reactive.
I'd even say it works better than the original guns of those systems thanks to the very good sensor quality of the GCon :lol
For games that need screen flashing, I added (and currently testing) a screen flashing generator, which would allow the gun to be compatible with anything.
It will of course work with super resolutions, since for vertical pixels the resolution isn't important, only the timing is ;D

burn_654:
I am completely on board with what you've got here. I just now commented over in sonik's thread (http://forum.arcadecontrols.com/index.php/topic,164677.0.html) about what I tried to accomplish before with a custom flasher program, custom Guncon2 circuit and Topgun drivers (I've posted quite a long time ago about this) but could never get things into a state that would be easy enough for most to duplicate.

To echo that comment I'm very interested in this too! Will it be open source? I could try rigging it up to my flasher program and see how I get on with it...

*phantom edit* just saw your previous comment. Did you end up going the windows gamma ramp route or something else? Gamma ramp worked *ok* but I was never able to get pure white out of some screens, some colors were not affected linearly which cause a bit of a minor offset (ie, wave the gun at a white patch and then over a grey patch, I had a horizontal difference in the mouse cursor)

JayBee:

--- Quote from: burn_654 on March 04, 2021, 12:01:49 pm ---I am completely on board with what you've got here. I just now commented over in sonik's thread (http://forum.arcadecontrols.com/index.php/topic,164677.0.html) about what I tried to accomplish before with a custom flasher program, custom Guncon2 circuit and Topgun drivers (I've posted quite a long time ago about this) but could never get things into a state that would be easy enough for most to duplicate.

To echo that comment I'm very interested in this too! Will it be open source? I could try rigging it up to my flasher program and see how I get on with it...

*phantom edit* just saw your previous comment. Did you end up going the windows gamma ramp route or something else? Gamma ramp worked *ok* but I was never able to get pure white out of some screens, some colors were not affected linearly which cause a bit of a minor offset (ie, wave the gun at a white patch and then over a grey patch, I had a horizontal difference in the mouse cursor)

--- End quote ---
A small precision about my system; it's a fully hardware solution, no software involved.
It means no need for screen flashing software or anything else, it will be plug and play. The screen flashing works perfectly already by the way, I will release a demo video soon ;)
And no, it won't be open source.

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