StaringLizard Posted June 3, 2015 Share Posted June 3, 2015 Hi There, I have just developed a converter for the Amiga computer. This way you can connect your Amiga to a modern monitor or TV without having to use that annoying composite / tv interface. It's not done yet, as you can see, but I am pretty far along the project. Have a look . I will update this thread when I have updates. Regards, StaringL Quote Link to comment Share on other sites More sharing options...
Rybags Posted June 3, 2015 Share Posted June 3, 2015 This would also be of great use to Atari ST, 8-bit VBXE and probably owners of some other old systems that have 16 KHz RGB outputs. Though of course you'd need to be able to cater for the different plug types (a version with just header for the needed input components would be handy). Quote Link to comment Share on other sites More sharing options...
+sm3 Posted June 3, 2015 Share Posted June 3, 2015 Wow nice! I suppose that the other connector is for VGA? What are J3 and J12 for? I suppose one of them is power. Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted June 4, 2015 Author Share Posted June 4, 2015 This would also be of great use to Atari ST, 8-bit VBXE and probably owners of some other old systems that have 16 KHz RGB outputs. Though of course you'd need to be able to cater for the different plug types (a version with just header for the needed input components would be handy). Yes, you are right, actually all signals (r, g, b, vs, hs) are available on J16 by default. Wow nice! I suppose that the other connector is for VGA? What are J3 and J12 for? I suppose one of them is power. I have used the VGA connector as test purpose (input), but I guess it can be used as output as well. I did not try this though, since I do not have a monitor that is compatible with 15Khz. Regards, StaringL Quote Link to comment Share on other sites More sharing options...
+sm3 Posted June 4, 2015 Share Posted June 4, 2015 So you still will need a monitor that can handle the 15Khz signal? I was hoping/thinking this was an external scan doubler. Of course we have the Indivision AGA available, but I prefer external devices when I can get them. Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted June 5, 2015 Author Share Posted June 5, 2015 So you still will need a monitor that can handle the 15Khz signal? I was hoping/thinking this was an external scan doubler. Of course we have the Indivision AGA available, but I prefer external devices when I can get them. Yes, j12 is 3.3v power out, there is another connector in the bottom that is 5v input. Actually, vga is not the point with this device. You will get 720p hdmi out, so i did not thought vga with scan doubler important. If it's needed a simple device can be hooked up between j14 and j16 to do the scan double. To be honest I do not have a lot of knowledge about this. Regards, StaringL Quote Link to comment Share on other sites More sharing options...
+sm3 Posted June 5, 2015 Share Posted June 5, 2015 Yes, j12 is 3.3v power out, there is another connector in the bottom that is 5v input. Actually, vga is not the point with this device. You will get 720p hdmi out, so i did not thought vga with scan doubler important. If it's needed a simple device can be hooked up between j14 and j16 to do the scan double. To be honest I do not have a lot of knowledge about this. Regards, StaringL Thanks for the information. Will look forward to the final result. Quote Link to comment Share on other sites More sharing options...
Crispy Posted June 13, 2015 Share Posted June 13, 2015 Looks good. The AD9984A is a good choice for the video ADC, and the ADV751x is really the only reasonable HDMI solution out there right now. Is there some reason you went with Lattice instead of Xilinx? I really like the Spartan 6, but then again I haven't looked at Lattice or Altera in a long time. Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted June 18, 2015 Author Share Posted June 18, 2015 Looks good. The AD9984A is a good choice for the video ADC, and the ADV751x is really the only reasonable HDMI solution out there right now. Is there some reason you went with Lattice instead of Xilinx? I really like the Spartan 6, but then again I haven't looked at Lattice or Altera in a long time. Thanks, it is working quite good at the moment. I have some problem with the position of the Amiga screen that I am struggling with atm. No particular reason for fpga choice. It seemd a bit cheaper overall, and fit this application very well indeed. It is soon ready, I will post more info here shortly. Quote Link to comment Share on other sites More sharing options...
Plastik Posted June 20, 2015 Share Posted June 20, 2015 This is very cool and exciting! keep up the good work and keep us posted. Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted July 1, 2015 Author Share Posted July 1, 2015 Hi again ! I think I am done with the project Please feel free to check out the youtube link below. https://www.youtube.com/watch?v=rgNfMfjiVnY Be aware that this board has some state of the art, expensive as hell, parts. Lets see what the interest is in this gadget and go from there. Regards, StaringL 1 Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted July 5, 2015 Author Share Posted July 5, 2015 Hi, I made another video as demonstration. I have fixed some bugs and also changed the output to 50Hz. I have also tried and highlight the current issues in this video. https://www.youtube.com/watch?v=dP0HOtBqJbk Regards, StaringL Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted July 8, 2015 Author Share Posted July 8, 2015 Hi again, I had some time over today so I fixed the last of the bugs. Seems Amiga has a pixel clock that is 14,18758Mhz, you learn something new every day... I think this is as good as it gets. It is hard filming an LCD screen and get decent quality through youtube, lets just say that it looks better in real life... https://youtu.be/nsnXf7O3oVg Regards, StaingL Quote Link to comment Share on other sites More sharing options...
imstarryeyed Posted July 16, 2015 Share Posted July 16, 2015 Very cool project. I was looking for J16 you mentioned, as I may have missed it on your diagrams, as I would love to use this with all of my Amigas and other devices , Amstrad, Atari ST, arcade boards etc. The ability have easy access to the rgb h v input signals is really great. Looking forward to when you may make these available for purchase. Thank you again. Quote Link to comment Share on other sites More sharing options...
StaringLizard Posted July 25, 2015 Author Share Posted July 25, 2015 (edited) Very cool project. I was looking for J16 you mentioned, as I may have missed it on your diagrams, as I would love to use this with all of my Amigas and other devices , Amstrad, Atari ST, arcade boards etc. The ability have easy access to the rgb h v input signals is really great. Looking forward to when you may make these available for purchase. Thank you again. Glad you liket it. There is a chance that Sakura IT will do a batch of them (redesigned board) but not decided yet. In that case we will try and do an Atari version too. I will update this thread with information. Regards, StaringL Edited July 25, 2015 by StaringLizard 1 Quote Link to comment Share on other sites More sharing options...
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