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About Rolo

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    Augsburg, Germany
  • Interests
    C64, Atari ST, Atari 800, Atari VCS, Colecovision, Odyssey 2, Vectrex, Dragon Computer, Intellivision, Interton VC-4000, AVPS 1292, Arcadia 2001, EPOCH SCV, TI99/4A, Pong

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  1. Hoping for a chance to speed up retro-activity again.😅

  2. I'm still checking out, trying to find problems with the ram circuit and the new multi-cart. All regular 8/16/32k-games seem to be working, but I'm not satisfied to deliver in this state. It still need's some polishing! And time ... I keep on working ...
  3. project update: Please have a look at: http://atariage.com/forums/topic/242786-multi-cartridge-for-dragoncoco-2-available/page-5?do=findComment&comment=4270619
  4. project update: I want to show you something: This weekend I had the opportunity to build some prototypes. This is NEW: The Dragon Multi-cartridge is playing EPOCH Super Cassette Vision! It's working, still some unsolved problems with some 32k-roms. And not really tested, but promising. In addition a new type of Dragon Multi-cart, which I ​will introduce, when it is tested and when I have the time for that. I must interrupt work now for some time. More to come ... Roland
  5. http://atariage.com/forums/topic/242786-multi-cartridge-for-dragoncoco-2-available/page-5?do=findComment&comment=4269500
  6. I integrated a RAM-chip in the design of the SCV-extension for Dragon Multi-cart, because I was thinking, it would be needed for those three games (Dragon Slayer, Basic Nyuumon and Pop&Chips) to store vital game data and therefore to run. Not battery backed-up yet. I probably could still add a lithium battery, if score-saving is the only reason for the RAM-chip (8k of RAM, only for a high score table and some game state? ). But since I do not have the pcbs yet, I still can't confirm, that it will be working as expected. I still did not built the prototype. Furthermore there'll be two new types of Dragon Multi-Carts: the 8-16, playing ROMs 4k/8k/16k (focussing on the real old consoles) and the 16-32, playing ROMs 8k/16k/32k (for old, but not so old consoles) Those pcbs are in production either. For SCV 64k- and 128k-ROMs I came up with the same solution, like TeamE, and designed a separate special SCV-cartridge, which only is existing in my PC at the moment. Pole Position making some problems, since I do not find any documentation about that one. Maybe I will do some measurements and find out in the future. I'll keep this cartridge somewhat "open" to be able to add some extra circuitry later. So this is my plan. I still have to make the prototypes, when I receive my pcbs, do some thorough testing, confirm functionality then built a batch of cartridges. I'll keep you informed about any major progress, probably in the Multi-Cart section: http://atariage.com/forums/topic/242786-multi-cartridge-for-dragoncoco-2-available/page-5 Best regards, Rolo
  7. Two people doing the same thing at the same time independently. The pcbs for my new SCV-extension for the Dragon Multicart currently are in production in China and I'm waiting for those to built the prototype. Well, better two solutions than none. And I finished a separate cartridge for big roms. Same idea. The SCV is seems to be served now.
  8. project update: I just uploaded and ordered five different types of new/modified pcbs from China. Hopefully the new pcbs are going to work. Soldering and heavy testing required, as soon as I have those.
  9. Thank you for the information! If you like, you can use the Marketplace feedback section: -> http://atariage.com/...ic/258478-rolo/ Have fun!
  10. project update: I'm working on a few modifications and add-ons at the moment, as far as rare spare time allows. Progress is slow. But the project is not dead at all. A bit patience is required...
  11. Thanks for sharing your experience! Can't you just operate it out of an XP or Win 7 virtual machine? If not, why not format a 2nd partition and install some old Windows OS for that purpose and make your PC a dual boot machine?
  12. Sorry, I did not see your posting. Multi-cart currently out of stock and currently is being re-furbished a little bit before next batch. All extension-types are in stock. You need both: Multi-cart (=memory) and special adapter for MPU 2000. I'll do a new price calculation soon, but as always, I try to stay cheap. After all, it is a hobby project not a commercial thing, but of course, I have to pay for components and delivery, too. Multi-cart (incl. eprom) something around maybe US$ 35 ... 40. Extension something like US$ 15. Shipping to your country? Just look at DHL's website and use their price calculator. Used to be cheap until 2019. Thus spoke the raven: never more... Ordering: simply PM me on AA Paying: Paypal or bank transfer Best regards, Roland
  13. Hi Bill, well, me, I'm using a good old Willem Programmer (version 5) http://www.sivava.com/index.php?route=product/product&path=33&product_id=181 which used to be on ebay for years. Now this model seems to be sold out. It has a few drawbacks, like you need a real $2f8/$3f8 parallel port. Ok, retro-people usually have an old XP-laptop lying around. The loading coil of the onboard converter is too small to reach higher programming voltages. I lift it up with a laboratory power supply. The burner-software is not really ready. But it usually works. So this setup is ok for me, since I got my work-arounds and I burned countless eproms with that. Nowadays, you would look for an USB-capable burner of course. Maybe not the cheapest one (makes life easier). There are not many different models out there anymore. It should be capable of burning 27C-types, which is what we mostly need. I'd ask the seller, if that type is served (usually yes), if there's no data sheet available. For me a Chinese "version" would be sufficient. But I have no personal experience with the newer models. Maybe somebody else?
  14. project update: Today I shipped the final multi-carts of the latest batch. Concerning memory-carts, I'm sold out at the moment. I still have all extension-types on stock. I will make more multi-carts, after finishing a revision (almost there). Unfortunately there seems to be no cheap international shipping available by DHL anymore. Until end of last year I could deliver worldwide for EUR 6,20. Now, it's dependent on the destination. For example, same service to EU countries: EUR 13,99 (price increase 225.6 %) USA: EUR 19,89 (price increase 320.1 %) Better rates only are available for business customers. I've been asking several employees, but nobody could tell me how that really works. Obviously you'd have to do some standardized online preparations and provide a lot of data before bringing the parcels to some obscure place, that nobody knows. I think, DHL management simply loves adventure games! I wonder, what's their plan? Is it just to see how much they can squeeze out of the business? Do they have more goods to transport, than their capacity is able to? Are they trying to get back into control by choking the market? I wish them good luck with their new business model and am waiting for some competitor to see his chance and jump into the gap.
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