How to Display 24 Bit Graphics on a Commodore Amiga 1000 - DCTV Demo Review

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  • čas přidán 21. 04. 2019
  • Bill and Anthony give an in-depth demonstration / review of Digital Creations brilliant DCTV. DCTV is a vintage video digitizer that allows you to digitize and display 24 bit looking graphics and animation on any Commodore Amiga computer by using a very unique display technique / hack to a retro standard definition NTSC video signal.
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    Title Music by: JMD
    jmdamigamusic.bandcamp.com
    Closing Music by: AceMan
    juicycube.bandcamp.com
    Stephen Jones Checkmate A1500 Plus:
    www.checkmate1500plus.com
    Stephen Jones CZcams:
    / @checkmate1500
    Transparent A1000 photography by:
    www.oldcomputr.com
    #commodore #retro #amiga
  • Věda a technologie

Komentáře • 131

  • @Checkmate1500
    @Checkmate1500 Před 5 lety +12

    Hi Guys, thanks for showing my Jay Miner video, always good to see it used, and thanks for the case plug.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Our pleasure Stephen! Thanks for letting us us the animation. If there are any different or additional links you want me to put in the description let me know and I will be happy to add them!

  • @10MARC
    @10MARC Před 5 lety +10

    As always, excellent video with great information. Your back and forth with Anthony is great!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Thanks 10 Minute! Yeah we have a blast together, both on camera and off! Fun times

  • @ZXoney
    @ZXoney Před 5 lety +1

    I was on a waiting list to get my DCTV back in the day they sold soooo fast!!! The first thing I did was have my buddy Sit at my desk facing the camera and scan him, then I had him get up without moving the chair and had him stand on either side of the chair and scanning. I then used the paint program to load image 1 and 2 and using the rub through tool to blend, saved and did the same with that image and image 3. The final Image was triplets of my buddy! Still have my DCTV along with all my 8bit Commodores and Amiga's!! AWESOME Video!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Ha ha, that is a really cool technique! Thanks so much for sharing it with us. Much appreciated Steve and thanks for the kind words! AMIGA4EVER!!!

  • @HoldandModify
    @HoldandModify Před 5 lety +2

    DCTV, plus AGA Amiga, you can make demo reels (VHS) and get a job. That's what I remember. Also, best water color paint-box ever.

  • @CantankerousDave
    @CantankerousDave Před 5 lety +4

    Back in the days of 256-color VGA screengrabs on PCs, this thing seemed like magic. Mine stayed hooked up to my laserdisc player for weeks after I bought it.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      NICE! You can get amazing results from a LaserDisc. You are right about it being magic. I will never forget the first time I saw it demoed at our WAUG user group. I was blown away.

    • @electrictroy2010
      @electrictroy2010 Před 2 lety

      This feels like a trick, rather than true 24 bit. DCTV is using the natural bandwidth-loss inherent in NTSC to create extra colors (blurring). And it’s composite output rather than the crystal clear S-video common at the time (from Super VHS and Hi8 tapes). S-video is preferred for its DVD quality resolution

  • @ModernVintageGamer
    @ModernVintageGamer Před 5 lety +3

    yessss an old school Guru video, loved it !

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Aw, thanks MVG. Yeah this is old school style for sure. Our next one will be a bit different to say the least.

  • @hybridplc
    @hybridplc Před 5 lety +5

    Truck at Revision 2019 gave Amiga Bill a shout out :)

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +3

      I know! I nearly spit my beer all over my A1200 when I heard that. I guess he watches my Twitch streams

  • @rumbaaba5611
    @rumbaaba5611 Před 5 lety +1

    Hello Bill and Anthony, I am watching your video on an ASUS VE248HR 24" monitor that has DVI,HDMI and VGA inputs. I have very much enjoyed this video...stay safe guys.

  • @AndyDavis007
    @AndyDavis007 Před 5 lety +2

    Excellent job guys. And the outtakes are priceless. 😂

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Thanks Andy! Yeah those outtakes are a lot of fun. Anthony is our comic relief!

  • @MarkyShaw
    @MarkyShaw Před 5 lety +2

    Love this thing. And a well-timed video! I just recently became a licensed ham radio operator and when I see technology from this era using RF for video signals to enhance the resolution on an Amiga, it makes me all sorts of happy. Great to have you back dudes!!! Thank you!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Awesome Marky congrats on the HAM licence! That's great. Really appreciate the kind words and comment

  • @MorganJustGames
    @MorganJustGames Před 5 lety +2

    Great Video guys. Alot of information about something I've not heard of. Very well done. Owned an Amiga since 1989 and I'm still learning.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      We are still learning too! Thanks for the kind words Jamie and keep up the amazing work over on your channel!

  • @bradhansen2065
    @bradhansen2065 Před 5 lety +1

    The Guru Meditation rides again! Nothing is ever better, thanks! Anthony you are a brave man...

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Aw, you are too kind Brad! Thank you. Yeah Anthony is brave as well as good comic relief, LOL!

  • @daga68
    @daga68 Před 2 lety

    Excellent!! really enjoyed, Amiga so ahead of its time !!!

  • @PJH1968
    @PJH1968 Před 5 lety +1

    Thanks guys for another fantastic video - what fun! Not getting much time on Amiga lately so this made a great watch for me - thank you for sharing! Love A's HAT!!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Thanks so much for the kind words Peter! Really appreciate comments like this. It is exactly why we take the time to make the videos. I hope Anthony busts out his cowboy hat for the next one. Cheers!

  • @NerdOutWithMe
    @NerdOutWithMe Před 5 lety +1

    I'm here to compliment Anthony's hat.

  • @alex76gr
    @alex76gr Před 5 lety +1

    Absolutely interesting video and your positive attitude and mood put a smile on my face.
    Thank you guys! :)

  • @MadPeteST
    @MadPeteST Před 5 lety +3

    I love you guys, and I love this channel 😁
    I hadn't seen the DCTV before, interesting bit of kit. Oh and you're like "found an A1000 today"... Haha, just like that! 😂 So I immediately I checked in my garage, in the loft, my wardrobe, and down the back of the sofa and I found nothing! Going to keep looking though! You've given me hope 😆😆😆

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Ahhh ha ha ha! Thanks for making me laugh MadPete you rock! When it comes to Anthony, you never know what you might stumble upon at his place. You might even be on your way to the bathroom and trip over a Commodore 65! Love you back man! Thanks for the kind words!

  • @SledgeFox
    @SledgeFox Před 5 lety +1

    Incredibly interesting as always! Thank you very much!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Thanks Sledge! Appreciate all the support. Thank you so much and glad you enjoyed it!

  • @douglascrawford2563
    @douglascrawford2563 Před 5 lety +1

    Great show gents! Actually came up in my google feed on my phone! Wow!

  • @moodworkshop
    @moodworkshop Před 4 lety +1

    Thx! I always wanted to see a video about the image quality of DCTV

  • @alexanderpuschacher6512
    @alexanderpuschacher6512 Před 4 lety +1

    Great video as ever!

  • @pishbot
    @pishbot Před 5 lety +1

    24-bit scanning/animation on an ocs amiga is mind-blowing. brilliant tutorial!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      I know, right? Thanks for the kind words and positive vibes as always Pish!

    • @pishbot
      @pishbot Před 5 lety

      @@TheGuruMeditation no problem. thanks for sharing the knowledge

    • @electrictroy2010
      @electrictroy2010 Před 2 lety

      This feels like a trick, rather than true 24 bit. DCTV is using the natural bandwidth-loss inherent in NTSC to create extra colors (blurring). And it’s composite output rather than the crystal clear S-video common at the time (from Super VHS and Hi8 tapes).

  • @CptJonathanArcher
    @CptJonathanArcher Před 5 lety +1

    Love you guys, love your dedication and knowledge, love your outtakes! :-) Always great to watch your top notch videos and learn something new, as I did know nothing about this cool device!
    Is this NTSC only or does this also work with PAL?

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Love you too Captain! You are the best. This device does work in PAL but you need a PAL version of it

  • @MichalBergseth-AmitopiaTV

    Amiga is powered by The Guru Meditation! Awesome video.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Aw, you are too kind Michal. Thanks for all you passion and support of both us and the Amiga!!!

  • @GadgetUK164
    @GadgetUK164 Před 5 lety +3

    Very impressive bit of kit! =D

  • @chris537a
    @chris537a Před 5 lety +1

    A friend recently gave me one of those. I might need to get in touch with ya. Cool vid man!

  • @CaptLeChuck_
    @CaptLeChuck_ Před 5 lety +1

    I have learned something today! Thank you boys! :-)

  • @jhhl
    @jhhl Před 5 lety +1

    That was fun! I had a HAM-E (super flaky but nice when it worked) and later a PAR card, which let you stream NTSC quality video in real time off its own disk drive.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Nice! The HAM-E is also considered the pre-cursor to the AGA chipset

    • @JHHLnet
      @JHHLnet Před 5 lety

      @@TheGuruMeditation I think I may still have the PAR Card in case I run into a 2000/3000/4000. I don't think I had any AGA Amigas!

  • @easyerthanyouthink
    @easyerthanyouthink Před rokem +2

    I had an 500 with dctv and it was tigh with power plug, but i think i trimmed some rubber plastic off both plugs 😂
    John botteri says it is full.bandwidth and full resolution. I dont think that is correct.
    Anthony was more correct what he said.
    There is a trade off. 1 in resolution as half the pixel resoultion data is for the dctv fpga to create composite video signal.
    And the color information is not full bandwidth either.
    I think true effective res is more.like vhs tape, and as you said less colors but still very good for the time.
    The is a write up on the net from one of the creators in a interview.

  • @Chordonblue
    @Chordonblue Před 5 lety +1

    I also owned one of these, along with the RGB converter. I used this to digitize off of my Laserdisc player, with the goal of creating a 1st person 'Tron' lightcycle game. Although I got some great animation together from the actual Tron Laserdisc, I never had time to finish it, which was a shame. It probably would've been the first DCTV-based game.
    What I did get together was a non-Lace working proof of concept and it looked terrific. The frame rates in that mode were acceptable for animations (while using a LOT less memory), and DCTV gave you great trade-off options. You might not have liked the loss of resolution, but for real-life images on a monitor it was amazing.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +1

      Oh wow, that is an awesome project Chuck! I would love to see the proof of concept if you post it. You are 100% right. DCTV compromised in all the right places to produce great results

    • @Chordonblue
      @Chordonblue Před 5 lety

      Unfortunately, all of my stuff from that time is gone now, and the truth of it is, the deletion of my last game on GEnie combined with unresolvable coding bugs really depressed me to the point where I didn't feel like doing it anymore.
      Firstly, I didn't understand the concept of copyrights and why distributing this sort of thing (especially back then), might get me and/or the distributor in trouble. My first attempt at a game was a direct ripoff of 'Space Paranoids' from Tron (the one Jeff Bridges plays in the arcade). Well, at least as far as I could push the technology to do it back then.
      I worked for a dealership in PA at the time and I had access to all sorts of equipment (1200/4000's, Video Toasters, DCTVs, software, etc.). I was actually certified for the Toaster in 1994 (met Kiki and Newtek's people - what an awesome time!), and LOVED the idea of creating a game using sprites generated by Lightwave.
      I also had access to GEnie, a pre-public Internet dial-up service. GEnie had an incredible amount of things stored - to include various forms of Lightwave models. I took a few of those models and rendered them into animations for my game. I sampled the sounds of the Tank shooting, and the Recognizers flying around.
      In Space Paranoids, what I had was a Copper-based series of horizontal lines that created a sense of depth, a targeter cursor (controlled by the mouse), and swarms of Recognizers swirling towards you.
      The idea was, you couldn't let any get past you. If you couldn't shoot one (left mouse button), you could use your (limited) shields with the right mouse button and it would bounce them backwards. Basically, it was 'Tailgunner', a 1979 arcade game from Cinematronics.
      Initially, I designed this on an A500, but when we got the 1200 in, I realized that the increased memory and speed of the AGA graphics made this game go from 'OK' to frenetic and fun. Everyone that saw it in the store was blown away, but it wasn't done. The worst of it was - I couldn't finish it.
      Why couldn't I finish it? I had used AMOS, a compiled BASIC-like language developed in the Netherlands. It was quick, and it was specifically designed for game design. The problem was that there were certain bugs with the coding. When I tried to implement the 'shield' overlay screen (a patterned grid), it crashed hard. Even though I was pushing the hardware to the limit, it should have worked. Instead, the game refused to compile. After triple-checking my code and trying different ways to do this, I ended up calling the company in the Netherlands to ask about the issue and they admitted they were working on a fix... That never came. Keep in mind, this was around 1993, just before the C= bankruptcy, a lot of vendors were starting to go under or have problems.
      And so, with 'Space Paranoids' in an unfixable (but playable!) state, I figured I'd open source the thing, and threw both the source and the compiled game up on GEnie... Which got me into serious trouble. I don't know if Disney got involved, but GEnie pulled it down in about an hour or so after it took me over 8 hours of upload time.
      In the meantime (and still hoping for that AMOS fix), I had come up with the DCTV 3D lightcycles game idea that wouldn't run into the overlay bug. I had access to a Video Toaster, and by this time, it was all digital - recording direct to hard drive (which was simply amazing!) I grabbed segments of the lightcycle racing from my Tron Laserdisc and then converted them, frame by frame, to DCTV. I was able to play them back flawlessly. I connected them together to create a sense of motion and direction, and was able to race around, playing those segments and using the joystick to turn... Then the Dark Period started.
      Commodore went out of business and, unfortunately for me, I had really hitched my wagon to all things Commodore without a thought as to what I would do if they failed. I went through all the stages of grief, like so many Commodorians did at that time.
      Then, all of a sudden, things got real. The dealership closed, I went into Microsoft, Scala (on the PC), and networking. I kept my Amigas for a while, but sadly moved to a PC over the next year or so, just as the beta builds of Windows 95 started popping up.
      A few years later, my home was flooded - most of my Amiga disks and material were ruined - and that was heartbreaking - so much so that this is the first I've even spoken of this for over 20 years.
      Sorry if this comes across as whining - it's not. I know a LOT of good people were affected by the end of C=, and being only 40 miles from West Chester, it was (and still is!), an ever-present memory.
      LOVE what you guys do here - it brings back so many good memories of those days.
      Also sorry to detract from the discussion of DCTV - it was truly brilliant, and with an '020/AGA it was so snappy!

    • @electrictroy2010
      @electrictroy2010 Před 2 lety +1

      I kept using my Amiga until year 1998 when I realized it was simply too slow for internet usage. So I upgraded to a Windows PC

  • @JustWasted3HoursHere
    @JustWasted3HoursHere Před 5 lety +1

    Been waiting for this one! I had one of these "poor man's Video Toaster" frame grabber and had oodles of fun with it. I remember attaching my video camera to it and scanning my dad (he had to sit perfectly still for about 20 seconds) and then myself and then using ImageMaster R/T's morph program to create a morph between him and me that completely blew his mind (wish I still had that resulting anim file somewhere...).
    DCTVPaint was also quite good, and I made some interesting shots: For example I took a picture of the kitchen counter and then without moving the camera took another picture of my arm resting on the counter. Then I used DCTVPaint to remove everything except my arm from the "front" image and added blood, etc. Looked just like a severed arm sitting on the counter. I was quite proud of myself with that... :)

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Ahhhh ha ha! That's a cool project. Thanks for sharing it with us JW3HH. Yeah, it would be very cool if you still had the anim of your dad. That stuff is precious. I lost a few projects I did with my dad as well. Would love to have those back. You said Morph, stay tuned :-)

    • @JustWasted3HoursHere
      @JustWasted3HoursHere Před 5 lety +1

      @@TheGuruMeditation I might still have the floppy it was on, but unfortunately the last time I tried my collection of floppies about 50% of them didn't work at all. :(
      I'll give it a shot the next time I'm rummaging around in the -closest- closet ...

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@JustWasted3HoursHere On man, that is some bad luck with the floppies. Usually they hold up better than 50%. Good luck, I hope you fin it and can recover the animation of your dad! Fingers crossed

    • @JustWasted3HoursHere
      @JustWasted3HoursHere Před 5 lety +1

      @@TheGuruMeditation ;) I remember it took HOURS to render that bad boy back in the day (on today's computers, heck probably even my PHONE, it would render basically in real time). My, how computers have changed (but not as fun!)

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@JustWasted3HoursHere Agreed! I remember leaving my A500 on for 3 days just to render a simple animation in Imagine, LOL

  • @Fraiyia
    @Fraiyia Před 4 lety +1

    I did rendering in imagine 4 in dctv mode . Back years ago.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 4 lety +1

      Very nice! you could get amazing results with that combination

  • @billyoung9538
    @billyoung9538 Před 2 lety +1

    I have to wonder were they using some form of DCT processing for this, because while we always thought DCTV stood for Digital Creations Television, but it could also have stood for Discrete Cosine Transform Video. Given the DCT function came out in 1972, people first started exploring using it for images around 1986 and DCTV came out around 1990 (admittedly before Jpeg) the time frame is possible, but what sparked the idea is the funky image on the Amigas screen. In some ways the image reminds me of camera sensor data, and in others it reminds me of a FFT, but it obviously isn't either. I'm super curious how the DCTV RAW image data is handled.

  • @ghettoandroid
    @ghettoandroid Před 5 lety

    I had both the A500 and the DCTV. I don't recall having any problems connecting the DCTV to my A500.

  • @NightSprinter
    @NightSprinter Před 3 lety

    Hey, I have that same JVC monitor! It's the Commodore version.

  • @immortalsofar5314
    @immortalsofar5314 Před 5 lety

    I had the parallel gender problem when I tried to get an A1000 printer cable back in the day and had to deal with cowboy computer shop owners telling me that the A500 parallel port was the same thing. "One's male, one's female and one has 5V where the ground should be! How different do you want them?"
    Fortunately, I helped out a guy who couldn't get his printer running on his A500 and I found that his cable was plugged into the serial port - which shouldn't have been possible because it was the wrong gender. Hmmmm. I told him, I had some bad news and some good news. The bad news was that this was an A1000 parallel cable but the good news was that I had been looking for one for months and had an A500 cable that was no use to me so a simple swap solved both our problems.

  • @madcommodore
    @madcommodore Před 10 měsíci

    It's not really 24bit graphics, but you can do 24bit graphics on any Amiga with a regular Denise/Daphne socket via the Archos A/Video 24 upgrade. Full RGB 24bit displays in either 768x576 (PAL models) or less.

  • @loganjorgensen
    @loganjorgensen Před 3 lety

    I think even bitd it was hard to express the difficulty in compressing video stills not just in bandwidth but in storage space into a digital grade form. Like the demo showed an video tiger and then a converted tiger that so closely matched that many didn't likely understand the shear magic of that. Early digitization was usually very crude and often had massive color reduction, certainly never matched what your VCR produced.
    Probably somebody could have expressed how hard it was to fit video on diskettes long before CDs put digital compression into the spotlight. Or how the effort was worth pursuing for non-linear or interactive properties that analog couldn't do.

  • @ohrom8159
    @ohrom8159 Před 5 lety +3

    Great videos guys, and by chance the timing couldn't be better, i just picked up a DCtv for my 500 and found out the bad news while watching the video that i can't connect it on my 500 :( anyone have any ideas how it can be done?

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety +2

      Some people mentioned that they have a different power connector which makes it possible to connect it. Have you tried yours? Maybe you will get lucky. Fingers crossed!

    • @ohrom8159
      @ohrom8159 Před 5 lety +3

      @@TheGuruMeditation No i hadn't tried it so after i saw your response i went ahead and tried to connect it and wouldn't you know it, i was able to plug it in with a small gap to spare. And i was able to scan my first picture. Don't have a camera so i just connected my DVD player to scan and it seemed to work fine.Thanks guys

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@ohrom8159 Awesome! Glad it is working! Thanks for letting us know

    • @glennbo777
      @glennbo777 Před 5 lety +2

      Robert Reyes I guess I got lucky to because I can use my DCTV on my 500 plus

  • @8bitwidgets
    @8bitwidgets Před 3 lety

    was there any way to grab actual video to the amiga? like a live clip? maybe saving to fast ram? maybe at a very low resolution?

    • @8bitwidgets
      @8bitwidgets Před 3 lety

      oh wait, ok now i get it and why the pause / cleanup is important. you digitize each frame one at a time.

  • @jjdigitalvideosolutionsllc5343

    Mine got a lot of use back in the day. DCTV is a great device, highly recommended, but not really 24bit, like you said. There's noticeable banding in the darks.
    I always wanted to get my hands on a HAM-E.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Exactly, it isn't perfect, but it produces great results. An incredible little device. HAM-E is cool. Anthony has one.

    • @jjdigitalvideosolutionsllc5343
      @jjdigitalvideosolutionsllc5343 Před 5 lety +1

      @@TheGuruMeditation You should do a video on the HAM-E next.
      I also had the DCTV RGB converter. Mostly used DCTV with Imagine 3D animations.
      Prior to getting DCTV, we'd render from Imagine 3D to 24bit files, then use ImageMasterRT to batch convert those to interlaced HAM6. IMRT did a far superior conversion to HAM than Imagine did. For playback, the files were compiled into ANIM7 format. To further improve playback speed, we worked in a letterboxed format that resulted in smaller file sizes, which meant faster playback, and gave a more cinematic look.
      DCTV came along and looked better than the HAM6, which we thought was still pretty good at the time. DCTV made great looking Imagine 3D anims, and VistaPro anims.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@jjdigitalvideosolutionsllc5343 WOW very cool work flow. I didn't think about wide screen saving file size. Makes sense. 16:9 is the rage now in the demoscene because so many people use 16:9 flat panels. What goes around comes around! Thanks for sharing your workflow!

    • @electrictroy2010
      @electrictroy2010 Před 2 lety

      This feels like a trick, rather than true 24 bit. DCTV is using the natural bandwidth-loss inherent in NTSC to create extra colors (blurring). And it’s composite output rather than the crystal clear S-video common at the time (from Super VHS and Hi8 tapes). S-video is preferred for its DVD quality resolution

  • @Ichinin
    @Ichinin Před 5 lety +1

    There may be a PAL version of DCTV, i remember that logotype, probably saw it in some Amiga magazine here in Europe.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Yes, I believe there was a PAL version of DCTV. I would love to see it in action. I bet it produces better results with the extra lines of resolution.

    • @20windfisch11
      @20windfisch11 Před 5 lety +1

      There was a PAL version. I remember German AmigaPlus magazine having written about it.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@20windfisch11 Excellent!

    • @20windfisch11
      @20windfisch11 Před 5 lety

      @@TheGuruMeditation However I don't know if it was only a preview. I only remember them writing about a device that outputs "nearly 16,7 million colours" on OCS/ECS Amigas.

  • @dieklaue1
    @dieklaue1 Před 5 lety

    @9:30: a parallel port extension cable maybe?

  • @binarybond007
    @binarybond007 Před 5 lety +1

    Great video! I have two of these DCTV devices but both only output in grey (no color) when used with my PAL A1200. Obviously I am booting in NTSC mode... I don't have any other Amigas to try... Are these things broken or do they specifically need a NTSC or OCS Amiga? Thanks!

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      That is a great question. Most likely the issue is booting to NTSC with a PAL Amiga. The DCTV is very "finakey" (for lack of a better word) so there is likely a small variance in the signal that is throwing it off. The DCTV works fine on my AGA Amigas so it isn't that. The video signal is a bit strange. I had a heck of a time trying to get a good recording of it. Often it took a couple of minutes to sync with my capture card. Here is a question, have you tried booting the Amiga in PAL? Maybe you have a PAL DCTV?

    • @LaepsynPaepsyn
      @LaepsynPaepsyn Před 5 lety +1

      What display device are you using? If it's a PAL CRT, it will show NTSC only in greyscale (AFAIK...)

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@LaepsynPaepsyn That is an excellent point. Seeing a B&W image on the monitor is a symptom of a PAL/NTSC mismatch. Happens with our PAL CD32 on an NTSC monitor as well.

    • @binarybond007
      @binarybond007 Před 5 lety

      @@LaepsynPaepsyn, The display I was trying to use is this little GPX LCD thing which is a cheap DVD player/TV combo which has all sorts of inputs (HDMI, component, SVIDEO, composite). I know it shows color on the A1200's PAL composite as well as NTSC with my NES.

    • @RetroDawn
      @RetroDawn Před 10 měsíci

      I know this was from 4 years ago, but maybe you still need help... There is a difference in clockspeed between the PAL and NTSC model Amigas (and other systems). This difference is enough to put the signal a little out of spec, such that the DCTV might no longer be compatible. However, getting a perfect greyscale image sounds more like an NTSC decode issue with your display. Have you tried a different display? Perhaps it is your display that is having trouble with the out-of-spec signal, and not the DCTV. Seems the most likely case to me.

  • @yorgle
    @yorgle Před 5 lety +1

    when talking about the RGB Converter, you mention talking about it "later"... did you mean in a future video?

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Wow, Scott you were paying attention and are on point. By later I meant we would talk about it for the last scene when looking at the Mt. St. Helen's animation on the 1000 because we were using it for that. Now that I am thinking about it, I am not sure if we never mentioned it or if that part fell through the cracks when I was editing. Now I am curious and have to go back and look at my original footage. I feel like some footage is missing. Thanks for bringing it to my attention!

    • @yorgle
      @yorgle Před 5 lety +1

      @@TheGuruMeditation One of my buddies had one of these on his A500 back in college. he'd hit the button inside the panel of his 1084S to switch to the DCTV output. I'd love to learn exactly how it really works lower down... like how it's actually encoded into the video imagery. it's a really neat thing. :) I'd never heard of the RGB converter before, so I was keen to hear about it. ;D

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      @@yorgle I would like more detail on how it works myself especially since it is doing some creative engineering with that video signal. Yeah, not much to say about the RGB converter other than you can see the DCTV images through the RGB and you don't need to use the composite output. That said, maybe I will do a follow up episode especially if I find the footage that I think I may have overlooked in the edit.

  • @josedourado3747
    @josedourado3747 Před 5 lety +1

    👍

  • @8bitwidgets
    @8bitwidgets Před 3 lety

    do you know if DCTV would work with a GVP GLock? I have both on the way and assuming they work, I wanted to try the GLock because I highly doubt I'm going to find a DCTV brand genlock any time soon.. I just wasn't sure if the Genlock of the DCTV was proprietary or of any genlock could work with DCTV to give it genlock ability.

    • @RetroDawn
      @RetroDawn Před 10 měsíci +1

      They mentioned in the video, you need the RGB adapter for the DCTV (shown in the video), in order to genlock the DCTV.

    • @8bitwidgets
      @8bitwidgets Před 10 měsíci

      bummer but not surprising@@RetroDawn

  • @tubedude54
    @tubedude54 Před 5 lety

    I have a 4000 that I got a few months after they came out and I dug it out bout a yr ago and have it running in my basement. I used to use it in a side business I had doing cad and a few other things. When I got it running I was amazed at the low res images we put up with back then that we thought were 'good'! I never did much with expansion to it as it did the job I wanted the way it was. I put a 2mb memory board in it and a C= flicker fixer which gave sharp images filling in the missing scan lines and that was it. Did anyone ever make a board that put out 1024x768 or better screen resolutions to run workbench in? Messing with the flicker fixers resolutions it has higher screen modes in the tools folder but when I try to use them my monitor can't support them. Any ideas to get a higher res workbench?

  • @jrherita
    @jrherita Před 5 lety +1

    Tried to hit thegurumeditation.org and get an error 'site not found' :(

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Oh crap, our site is down. Thanks for the head's up. I will look into it

  • @valentine_puppy
    @valentine_puppy Před 3 lety +1

    I want to know, can this be cloned?
    Since it's such a big to do to find this tech.
    I want to use the old methods and tech to create new content about the era i grew up in and
    using new tech is just not useful for me or authentic. I'd love to use something similar to it.
    Thanks for the videos.

    • @TheGuruMeditation
      @TheGuruMeditation  Před 3 lety +1

      I don't know if it can be cloned. I suppose anything is possible. That would be a great project! Thanks for the kind words

  • @DaiquiriMan
    @DaiquiriMan Před 5 lety +1

    ✌🏽

  • @byrons8956
    @byrons8956 Před 5 lety +1

    You should be able to use one of those connector gender changer adapters for that A500, like below
    www.ecrater.com/p/31040786/gender-changer-db25m-to-db25f-25-pin

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      Thanks Byron, that would be for the 1000. Appreciate the link

  • @obsoletepowercorrupts
    @obsoletepowercorrupts Před 5 lety

    Remember how the amiga a500 had a "better" version of dragons lair which triggered a Pioneer laser disk? Pillsbury Farm remembers.
    Here is the YT watch link: KAZVJeIHLcc
    As I have always ranted, what you have there is a gaming setup, unrealised. >:)
    A video toaster (and genlock) clone could be jerryrigged together these days cheaply and with mpeg2 decoder cards to work as the CD32 FMV (including mpeg1 VCD) decoder (and encoder via toaster clone). even without a CD32, Such a dragons-lair style game could overlay graphics over a TV signal of a bog-standard DVD player which (via IR blaster vaguely like a flirc) an a500 triggers (but an a500 of 4meg RAM boosted with an accellerator of say a 68060 or a 68030+68882 or a 68040 like a cheap MC68040FE25V). The IEEE on those CPUs (not the weak 68000) could actually drive a parallel port well enough (especially if aided by a passthrough dongle like a modified lallafa-plipbox). Every amiga can have a parallel port. The TV signals could thereby be mixed to enhance such games and it is analogous (roughly) to the way the TV plugged into a MegaCD+Megadrive (which you'd name a Genesis+MegaCD).
    Just imagine how gmes resembling dragons lair (or a scroling FMV shoot-em-up bullt hell background) playing on a DVD on the background could look really cool with overlaid graphics of an a500 modded with an MC68040FE25V (maybe with some occassional HAM video) which is thereby also loading from the parallel port using the more "modern" IEEE of the 68040? It'd work well with say a plipbox style passthrough before a CDROM parallel drive connected in daisy chain, and so that plipbox-style dongle could have a cheap usb drive flash key (nand memory) on which to read and write data. Purists could swap the usb key for a IDE HDD if they wanted to (just to be oldskool authentic nerds). I reckon a 50MHz 68030+68882 for compression algorithms could run compression/FFT about the same speed as a MC68040FE25V. Triggering video timing and the DVD player via RS232 serial (null modem cable) could help too. Maybe software a bit like the A1200's CDBoot could search the (boosted a500) amiga's HDD boot sequence early on so as to find the CDROM and boot piggyback from there using universal CDROM drivers. It would be nice to have a couple of usb ports on a tf530 variant (for 32bit NDISwapper style rj45 and wifi drivers, CDROM booting and flashmedia nand pendrives as hd0), but I asked and (unless somebody forks a github pullrequest), it aint gonna happen. Pity. However, the parallel thing I speak of could still be done.

  • @ryanyoder7573
    @ryanyoder7573 Před 5 lety

    Is that McLovin?

  • @DAVIDGREGORYKERR
    @DAVIDGREGORYKERR Před 5 lety

    I suppose this gives you the capabilities of the QUANTEL PAINTBOX Harriet (TM)(R)(C) (sorry for shouting)

  • @MarkReed-smokindeist
    @MarkReed-smokindeist Před 5 lety

    I had a DCTV as well. It was pretty nice and worked well with ADPro. I didn't have the RGB adapter though...
    In this pic from 1998, I believe that the image I was showing was an Eric Schwartz pic I was displaying using ADPro and the DCTV on my A2000.
    drive.google.com/open?id=1H3mmKaJs6ppXHUAARLrUns-ickj2q5Go

  • @stevenixx3595
    @stevenixx3595 Před 5 lety

    this channel seems to have died?

    • @TheGuruMeditation
      @TheGuruMeditation  Před 5 lety

      No we are alive. We had to take down the video we posted last month, but we have a new and improved one we posted today czcams.com/video/9TWuTKJNZIk/video.html Also I have been so busy with work, my editing time has been limited so I have been doing Twitch streams www.twitch.tv/amigabill