Atari ST - RGB to VGA conversion - The DEFINITIVE video solution using GBS8220
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- Опубліковано 3 чер 2022
- Hi! Big thanks to www.pcbway.com for sponsoring this video
For the third and final time I attempt to get my recently acquired Atari 520STfm to output high quality VGA for gaming and screen recording.
I create a circuit from user 1024MAK at atari-forum.com. All credit for design and schematics to them. You can find the post I refer to in the video here:
www.atari-forum.com/viewtopic...
Using the H Sync + V Sync = C Sync circuit and a GBS8220 (or GBS8200) I've finally managed to get stable and reliable VGA output from ANY Atari ST to ANY VGA monitor.
Plus a preview of my next Atari project, refurbishing the MegaST.
Thanks for watching!
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So, after all this wasted time and money lost on other projects, i can tell IT WORKS. Thank you. It's been 26 years since the last time i used my 520 STE. I will remember that day.
You’re very welcome. Enjoy your STe!
Dude. Well done! That is far beyond anything I’d be capable of doing.
I just followed the recipe 😆
Well done on finally getting a decent picture! Also you went all out on that PCBway advert!
Thank you sir! I had to do something interesting with the sponsor spot since the rest of the video is a tad boring 😅
Bingo 👍
Amazing work as always!
Thank you, kind of you to say.
I remember the guy known as 1024MAK, very good man and some good projects on his site. If I recall he worked closely online with Alison Challis a.k.a. techie_alison, who developed and sold many of her own computer interfaces and solutions, the most well known being the USB mouse adapter for the Atari ST called PeST. I used to get things made by her and chat via post etc, but tragically she was killed one evening in 2011, when her motorbike lost grip on a corner, slid along the tarmac, and a passing fire engine ran over her body.
What a sad story.
Très utile pour les nostalgiques !!!
That’s come up quite well. I poked at a GBS yonks ago and it was kinda rubbish at the time. But the capture you’ve shown looks good.
Thanks Jason, yes I’m happy with the result, but then again I’m not purist in these things, close enough is good enough in my book.
Good to know how to do this. Good movie!
Thanks!
Seriously clever stuff
Nice work!
Have you looked into the GBS Mod? That takes the GBS8200 to a whole new level.
Thanks! There’s a few different mods out there for the 8220/8200 but the ones I looked at looked a little complicated for me to consider. Do you recommend any specific mod?
@@TheBasementChannel I'll hit you up on twitter!
Hi. I'll try to make one. I hope it will work on a STE?
Nice work. I love it. Maybe you can put your 2 boards in a 3d printed box?
Great idea!
Did I miss ST high conversion in this video?
Im sorry, but as far as I remember all Atari ST (including MEGA) do have composite sync (pin2), if equipped with modulator it is composite video out instead of composite sync. Only few early 520ST didnt have it, but since 260ST and 520+ all STs do have it. And even the first could be easy upgraded to have composite sync.
Great info, thanks for the comment.
@@TheBasementChannel you are welcome, but please verify it, since it is a year or two (well make it 30) I was looking at it. Atari usually has the pin layout in the user manual.
Great video. Do you know what type of plug it is (Atari monitor out) and where could I buy it? I could not locate it anywhere as it looks nonstandard? Thanks!
It is a standard DIN13 plug, but they’re not very common. I’ve seen them for sale on eBay etc though. Good luck 🤞
Great video and solution! Is there a VGA capture card that you recommend?
I’m actually using a cheap vga to hdmi adapter which plugs right onto the gbs8220 and then a cheap usb hdmi capture stick. Works great!
@@TheBasementChannel Ah, that's interesting. I was thinking I was going to maybe have to go down the PCI card type route. I'm hoping to capture high res VGA from the ST, rather than use a webcam for my videos. I will look into what you have suggested. Thanks again, and good luck with the Mega ST :)
It seems to work great. The vga to hdmi adapter also has an audio input to mix the audio into the hdmi signal. I just plugged the hdmi capture dongle into my 2011 macbook, OBS Studio saw it straight away as a capture device and I started recording a 1920x1080 stream. Too easy. Good luck with your project!
@@TheBasementChannel That sounds really promising. It's just the VGA video capture I need. The audio I record goes directly into PC through it's attached audio interfaces. I use OBS too, so will definitely try your suggestion :)
and... you can try to mix the syncs just... with two resistors! aaaand, plan B = one resistor and one diode. Honestly, I do not remember, why were I mixed up them in the past... but I remember - we did it for some reasons ;)
I tired a few different ways before this solution, including one method using NAND gates but it wasn’t reliable. This is the first one I tried that was rock solid.
@@TheBasementChannel rock solid is the must!
this one is the same old as a whole my life ))) the example I've got, I have it for about... 8 years? )))
Is there any way to purchase a ready made version of all of this?
I think there are some off the shelf solutions. Try RetroTink?
@@TheBasementChannelRetroTink is cool - but you still need a number of cables, connectors, adapters, etc. - would be interesting to know if there's any kind of "plug and play" solution. In fact there might be a bit of a market for something like that. I could see a small box with a couple of switches that could easily go from DIN13 to VGA/HDMI with a small switch on the side to go B/W (high res) and Color (low and mid res).
How do I make Atari disks on the PC?
To create Atari disks on your PC, you'll need an emulator and disk image files. There are various guides online that can help you get started. Good luck, and enjoy the retro gaming experience!
st2vga and 71vm is best.
Too bad Atari made the ST feel so cheap in comparison to other machines at the time.
The Amiga is more better.
Are you 12? Because you're acting like you're 12. I think you're 12. Also it's just "better", not "more better". The word "better" in itself already implies that something is of greater quality -- "more good", if you will. Maybe you should pay more attention in your Year 7 English classes. They probably covered that there.
aaawww so funny to see you raging... relax tubby, those are just computers ;)@@BumdanglerFartbiscuit
I think it’s actually pronounced “more betterer”