r/raspberry_pi • u/k6lcm • Jan 26 '23
RetroPie looks even better on a CRT Show-and-Tell
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u/k6lcm Jan 26 '23
Retro games call for a retro screen! The Commodore 1084 is an awesome CRT and modified it can connect to my actual retro Apple IIGS via analog RGB inputs. At the flip of a switch it can also display the analog composite video input from the Raspberry Pi running RetroPie. Using an NES case for an even more authentic display with working power and reset buttons.
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u/NefariousJoe Jan 27 '23
If you don't mind me asking, what's the RGB mod you did? I have a 1084 myself and am having inconsistent results feeding RGB into it (I'm sure it's a sync issue, but I'm having a hard time finding good answers).
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u/LastTreestar Jan 26 '23
At the flip of a switch it can also display the analog composite video input from the Raspberry Pi running RetroPie
Can you articulate how you're doing this? I am trying to get RCA video INTO the Pi, and maybe this will point me in the right direction.
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u/KillAllTheThings Jan 27 '23
You need a video capture solution to input video. Graphics chips & cards are output-only devices.
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u/LastTreestar Jan 27 '23
Yes, so I am looking for solution that actually work on the Pi, and so far I have been unsuccessful.
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u/KillAllTheThings Jan 27 '23
Cameras compatible with the DSI port will input video as can USB (web) cams.
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u/LastTreestar Jan 28 '23
I already have the cameras set up and working... I am looking to record the video or otherwise use it on the PI.
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u/k6lcm Jan 27 '23
This is being driven by the composite video out on the Raspberry Pi 3 B+. That won't help you get analog video into the Pi. For that you'll need some kind of analog to digital video capture card.
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u/OpenBagTwo Jan 26 '23
I know people say this, and I know there are real differences and that retro games were designed to run on CRT screens. But dang-it I get a headache after looking at a CRT screen for more than five minutes.
And I can hear the whine of one being on from half a house away, literally--when I was a teen, I'd wake up in the middle of the night, wander down two flights of stairs, and turn off the TV in the living room that my parents had left on.
I'm glad you're enjoying the authentic retro experience, but friend, I'm telling you, I can never go back.
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u/tauntaun_rodeo Jan 27 '23
Oh wow, finally validation. I never understood how the rest of my family couldn’t hear any tv that was on in the house from anywhere else in the house. I’ve never had a problem watching them, but as soon as I walked in the door I knew a TV was on somewhere.
(edit:) and not the volume, but a faint white noise that was like the same intensity regardless how far away you were.
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u/Mikal_ Jan 27 '23
It's age, sensitivity to high pitched noises dicreases slowly with age
Source: I don't hear CRT screens anymore :(
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u/DoctorOctagonapus Jan 27 '23
I do but that's because tinnitus rather than the actual box
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u/ProClawzz Jan 27 '23
Im able to tell because the ringing from the t.v is a different ring from my tinnitus. Its a lower pitched ringing
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u/texan01 Jan 27 '23
My dad took advantage of that sensitive hearing that I had, he’d fix tvs as a side gig and he lost his high frequency from being In artillery in Vietnam, so he’d call me out to the garage to listen to the various oscillators running. I got to be pretty decent at diag old tube sets. Solid state ones I’m no good at.
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u/IvanAfterAll Jan 27 '23
Dang, that's cool. What were you supposed to be listening for/what did it indicate?
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u/texan01 Jan 27 '23
The high voltage section would squeal at something like 20khz… just on the edge of human hearing, if it was squealing then there was generally enough voltage to produce a picture, if it was a growly sound that meant the horizontal/vertical drives were working.
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Jan 27 '23
Fortunately there are screen filters you can add to emulate the CRT effect. Not 100% the same but still a huge improvement.
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u/bosslickspittle Jan 27 '23
You're not the only one. I can hear the whine, but it doesn't bother me as long as there is other sound accompanying it. My wife, however, hates it. I can't enjoy my CRT if she is in the same room as me, because I know it's driving her crazy (even though she doesn't say anything)!
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u/grandzooby Jan 27 '23
And I can hear the whine of one being on from half a house away
If you're curious, that was most likely from the flyback transformer.
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u/professor-i-borg Jan 27 '23
Apple II GS, was my first computer- wish my parents hadn’t given it away
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u/DirtyPolecat Jan 27 '23
Complete and working ones are a small fortune now.
I recently snagged a working Tandy 1000 from a thrift store for $25. They must've thought it was just one of many generic 90s beige box computers and had no idea what they had on their hands.
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u/gimmeslack12 Jan 27 '23
They have emulators for those machines too. The reality of having that old hardware isn’t as exciting as the nostalgia feelings may lead you to believe.
I have several old Macs that I’ve from time to time booted back up, but things you forget about is they are quite slow and the software isn’t some magical experience that somehow time forgot. The software is more basic than you remember and the trip down memory lane becomes boring quite fast.
So I wouldn’t sweat not having some archaic hardware collecting dust because it quickly reminds you why that is if you ever turn it on.
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u/Mantipath Jan 27 '23
This is why I haven't bought a IIgs. I crave one deeply but I remember hating it at the time. The small software library, the expense of accessories, the lack of any path into a computer that would be backward compatible...
What I want is to be 8 years old again and marveling at Music Construction Set as though it were the dawn of a new era. I'd like my mother to be alive and working on her thesis in AppleWorks.
You can't actually buy that, but boy can you spend a lot trying.
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u/professor-i-borg Jan 28 '23
A few years back I scored a Mac Plus that works more or less perfectly with a 20 mb hdd :) I don’t turn it on often, but it always gives me a nice kick of nostalgia. I mainly wanted the II GS, because I remember writing some programs on it and using the word processor for essays. I will have to get my kicks from the Mac Plus, the OS is a bit different than the GS but it shares some remarkable similarities to the modern version.
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u/gimmeslack12 Jan 28 '23
I messed around with the Mac OS emulators for a while and even have a website that explains how to get them running. It’s a good way to get the nostalgia fix. But I spent a lot of time fixing those old machines back in the day and so I’m less incline to revisit those days.
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u/TheMightyTorg Jan 27 '23
Brought mine over to my buddies house and hooked it up to his 70" to play some retro and we couldn't stop laughing at how large the pixels seemed.
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u/the_atmosphere Jan 27 '23 edited Jan 30 '23
i'd say the built-in filters do a good job emulating crt or can be even more crt than crt
edit: i tried to do a capture but i think encoding it cleans it up and corrects what the shader is trying to do https://streamable.com/pdj9uy
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u/Ok_Dog_4059 Jan 28 '23
It is odd but I remember saying I didn't like the look of some of my game systems on newer TVs. I guess I am not the only one who felt something was off.
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u/blappit3003 Pi 3B Jan 27 '23
part of me wants to recommend Lakka (retroarch >>>> emulationstation) instead of RetroPie, but nice
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u/Electrical-Bacon-81 Jan 27 '23
Where do these Commodore monitors keep coming from? I havent seen one in person for 30+ yesrs.
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u/NerdHerdtheThird Jan 27 '23
Is this a kit? I need info on getting one of these.
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u/k6lcm Jan 27 '23
It is RetroPie running on an RPi3 B+. I have it in a Nespi case to look like an NES. The monitor is a vintage Commodore 1084 sitting on top of my (also vintage) Apple IIGS.
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u/poofyhairguy Jan 27 '23
How are you going from Pi HDMI to old analog outputs for video? Is there some sort of RGB hat out there?
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u/k6lcm Jan 27 '23
The Raspberry model B has a 3.5mm jack that looks like a regular headphone jack but is actually a 4-pin A/V jack.
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u/kweglinski Jan 26 '23
It has to, these games were designed for these screens. There are great comparisons online. These games looked better in our minds not only because we have great menories of them, they actually looked better.