GunCon2 driver here!!! (Bacon is tasty)

[IntruderAlert]

it's high time you rename this thread

[Billkwando]

Done, and LOL....

[Flinkly]

huh?  so it works now, or does he just have it in driver form for everyone to download and screw around with...

[Billkwando]

Nothing has changed but the topic.

[IntruderAlert]

Version 0.03 is out

[vibez]

Is that circuit smog posted, actuall correct. There is no mention of a R8 120 ohm, 1/2
on his circuit. But on this page it clearly listed

http://www.epanorama.net/circuits/vga2rgbs.html

U1        74LS86
C1,C2     22 microfarads, 16V
R1,R2     2.2 kohm, 1/4 W
R3,R4     1.8 kohm, 1/4 W
R5        2.7 kohm, 1/4 W
R6,R7,R9  47 ohm, 1/2 W   
R8        120 ohm, 1/2 W
T1,T2     BC547B


I Think smogs circuit is missing some important info off

[Billkwando]

Is that circuit smog posted, actually correct. There is no mention of a R8 120 ohm, 1/2
on his circuit. But on this page it clearly listed

The missing R8 is a known issue. I'm not really sure why he hasn't substituted that for a better diagram.

I believe that's mentioned in the comments on his blog. I recommend to anyone who hasn't, go read all the comments for each post on the blog, as they contain some info that some of us who've been reading them all along might take for granted or forget to mention here.

[vibez]

Cheers, I'll go look it up. Also have you noticed that the value for the resistors changes depending on which site you look at? Who to believe?

EDIT:::

Smogs says'

Sorry, R8 is missing from the circuit but it is just a matter of names .. here it is called R9 the important thing is that it is a 47 ohm resistor.


That is still confusing as the epanorama.net says

It should be 120 ohm, 1/2 W

[vibez]

Any chance someone could mock up a better diagram. I want to get the pcb etched tonight

[IntruderAlert]

http://www.epanorama.net/circuits/vga2rgbs.gif
http://www.epanorama.net/circuits/vga2rgbs.html

[Billkwando]

Yo IA, Smog has a question for you over at the blog. LOL!!

[vibez]

http://www.epanorama.net/circuits/vga2rgbs.gif
http://www.epanorama.net/circuits/vga2rgbs.html

Cheers, but which component list, circuit & PCB design am I interested off that page to connect to an arcade monitor

[IntruderAlert]

Analogue composite sync signal converter

[vibez]

Analogue composite sync signal converter

That would suggest this is the component list

C1      22 uF 10V electrolytic
C2      22 uF 10V electrolytic
R1      2.2 kohm
R2      2.2 kohm
R3      1.8 kohm
R4      1.8 kohm
R5      2.7 kohm
R6..R8  47 ohm
U1      74LS86 or 74HCT86
T1      BC 547
T2      BC 547



That is somewhat different from the one on smogs site!?

[IntruderAlert]

Analogue composite sync signal converter

That would suggest this is the component list

C1      22 uF 10V electrolytic
C2      22 uF 10V electrolytic
R1      2.2 kohm
R2      2.2 kohm
R3      1.8 kohm
R4      1.8 kohm
R5      2.7 kohm
R6..R8  47 ohm
U1      74LS86 or 74HCT86
T1      BC 547
T2      BC 547



That is somewhat different from the one on smogs site!?

Add to the component list in the image two 2.2uF / 16v capacitors (C1 e C2).

this is where smog got the circuit from
http://www.epanorama.net/circuits/vga2rgbs.html
looks like smog made a few errors in transposing
I'll ask him about it but you'd most likely be best off using the original circuit

[armax]

I'm a little lost here (acutally alot lost here).  Is this driver ready to play or isn't it?  Could someone use layman terms here on what is required to use guncon2 with mame?

[IntruderAlert]

There is a driver but it's still in development
you can try it out though
you will need a composite sync to connect your GunCon2 to
so depending on your monitor setup that will have to be addressed in various methods
what kind of monitor do you have?
what kind of outputs do you have on your video card?

[armax]

Heck I'm running a toshiba 27" tv along with an ati tvout card.

[IntruderAlert]

svideo or composite?

[AlanS17]

I found this is the messages on the splider site, which came originally from the ArcadeVGA website.

"You MAY be able to combine the H and V sync into one composite sync (which is the JAMMA standard) by connecting the wires together. This works OK on the ArcadeVGA card because all video modes output negative H and V sync pulses. Some VGA cards send a mixture of negative and positive depending on which mode they are in, which prevents this method from working 100% reliably."

Is this not the whole purpose of the circuit described in the diagrams? If so, I may know a way to force a video card to output a negative signal, thus eliminating the need for a fancy circuit.

[IntruderAlert]

Smog tried that first thing and it didn't work for the GunCon2..
thus the need for the circuit

[armax]

svideo or composite?

It's composite.

[AlanS17]

Smog tried that first thing and it didn't work for the GunCon2..
thus the need for the circuit

Tried what first thing? What method did he use?

[IntruderAlert]

svideo or composite?

It's composite.

super-duper-terrific!!!
all you need is a splitter to plug in your guncon2 and the driver from smog's blog

[IntruderAlert]

Smog tried that first thing and it didn't work for the GunCon2..
thus the need for the circuit

Tried what first thing? What method did he use?

he tried just combining the H and V sync pulses like you mentioned here:

I found this is the messages on the splider site, which came originally from the ArcadeVGA website.

"You MAY be able to combine the H and V sync into one composite sync (which is the JAMMA standard) by connecting the wires together. This works OK on the ArcadeVGA card because all video modes output negative H and V sync pulses. Some VGA cards send a mixture of negative and positive depending on which mode they are in, which prevents this method from working 100% reliably."

Is this not the whole purpose of the circuit described in the diagrams? If so, I may know a way to force a video card to output a negative signal, thus eliminating the need for a fancy circuit.

it didn't work
so he had to find the circuit that would produce a composite sync signal that the GunCon2 was happy with

[AlanS17]

But if you can FORCE a negative sync coming out of the video card then you CAN (in theory) just combine the wires. At least, you can according to the remarks from the ArcadeVGA website.

That's the whole point of the circuit, right? To convert positive sync to negative sync?

[IntruderAlert]

smog already tried that but you could try again if you want

[AlanS17]

My final machine will have a 27" SVGA monitor in it, anyways. I've got arcade monitors up the wazoo, but no incentive to test it out.

My guncon2 is in transit, though, and I'm gonna see what it takes to get the thing working on my PC monitor.

P.S. Do you know what method he used to force a negative sync? Thanks.

[armax]

svideo or composite?

It's composite.

super-duper-terrific!!!
all you need is a splitter to plug in your guncon2 and the driver from smog's blog

Thanks intruder!  any idea on sources or brands of recommended splitters?

[IntruderAlert]

My final machine will have a 27" SVGA monitor in it, anyways. I've got arcade monitors up the wazoo, but no incentive to test it out.

My guncon2 is in transit, though, and I'm gonna see what it takes to get the thing working on my PC monitor.

P.S. Do you know what method he used to force a negative sync? Thanks.

I don't believe you'll get the GunCon2 to sync with a PC monitor without some more serious mods and most likely it won't be possible at all.

but i could be wrong of course

[IntruderAlert]

svideo or composite?

It's composite.

super-duper-terrific!!!
all you need is a splitter to plug in your guncon2 and the driver from smog's blog

Thanks intruder!  any idea on sources or brands of recommended splitters?

If you don't already have one laying around somewhere just go get yourself a cheap "Y" cable from WalMart and test that baby out

[AlanS17]

My final machine will have a 27" SVGA monitor in it, anyways. I've got arcade monitors up the wazoo, but no incentive to test it out.

My guncon2 is in transit, though, and I'm gonna see what it takes to get the thing working on my PC monitor.

P.S. Do you know what method he used to force a negative sync? Thanks.

I don't believe you'll get the GunCon2 to sync with a PC monitor without some more serious mods and most likely it won't be possible at all.

but i could be wrong of course

We shall see... MUAHAHAHAHA!!!

Seriously, though, I don't know if it'll work either. We'll have to see what happens!

What's the normal setup? Split the RCA coming out of the playstation - sending one signal to the gun and one signal to the tv?

[IntruderAlert]

yeah
which is basicly what armax will be doing with his PC

[AlanS17]

Hmmm... Then it MIGHT be as easy as dropping the resolution all the way down to standard resolution, splitting the VGA connector, getting a break-out cable, converting to composite, and plugging into the gun!

You just gotta keep your fingers crossed that the monitor can support such a low resolution.

[IntruderAlert]

Gun works at 15,7 KHZ for horizontal scan and 50-60 HZ of vertical scan.
When you say 31Khz meaning the PC monitor frequency you are talking of the Horizontal scan. And it's just THE DOUBLE of the gun's working frequency.
Based on the hardware, it could even work, it's virtually possible ... however I DON'T BELIEVE GUNCON2 WILL SYNC AT 31 KHZ.

Loose your hope
SmogDragon

http://lightgun.splinder.com/post/4579840

[AlanS17]

Gun works at 15,7 KHZ for horizontal scan and 50-60 HZ of vertical scan.
When you say 31Khz meaning the PC monitor frequency you are talking of the Horizontal scan. And it's just THE DOUBLE of the gun's working frequency.
Based on the hardware, it could even work, it's virtually possible ... however I DON'T BELIEVE GUNCON2 WILL SYNC AT 31 KHZ.

Loose your hope
SmogDragon

http://lightgun.splinder.com/post/4579840

Thanks, that's really gonna come in handy. I just gotta make my PC video card sync at 15.7KHz! 

I'm wondering if the larger 27" SVGA could be coaxed into running at 15.7 KHz. They're preactically big TV's with VGTA connectors, anyways...

I don't think the hard part will be getting the PC to output at the rate. The hard part will be getting the monitor to deal with it.

[AmericanDemon]

Well that means that my 35" monitor is gonna be groovy.    Its a multisync monitor with Max resolution of 640 x 480 and suncs at 15.7 khz .  Gonna have some good times

[brandon]

Gun works at 15,7 KHZ for horizontal scan and 50-60 HZ of vertical scan.
When you say 31Khz meaning the PC monitor frequency you are talking of the Horizontal scan. And it's just THE DOUBLE of the gun's working frequency.
Based on the hardware, it could even work, it's virtually possible ... however I DON'T BELIEVE GUNCON2 WILL SYNC AT 31 KHZ.

Loose your hope
SmogDragon

http://lightgun.splinder.com/post/4579840

Thanks, that's really gonna come in handy. I just gotta make my PC video card sync at 15.7KHz!

[brandon]

What's the normal setup? Split the RCA coming out of the playstation - sending one signal to the gun and one signal to the tv?

http://forum.arcadecontrols.com/index.php/topic,35416.msg318170.html#msg318170

The official Guncon2 comes with the need cables..

[IntruderAlert]

What's the normal setup? Split the RCA coming out of the playstation - sending one signal to the gun and one signal to the tv?

http://forum.arcadecontrols.com/index.php/topic,35416.msg318170.html#msg318170

The official Guncon2 comes with the need cables..

unless you buy them used and they lost the little additional cable
in that case just use a "Y"